*/
#include "mini.h"
#include <string.h>
+#include <pthread.h>
+#include <unistd.h>
+
+#ifndef __linux__
+#include <sys/systeminfo.h>
+#include <thread.h>
+#endif
+
+#include <unistd.h>
+#include <sys/mman.h>
#include <mono/metadata/appdomain.h>
#include <mono/metadata/debug-helpers.h>
+#include <mono/metadata/tokentype.h>
#include <mono/utils/mono-math.h>
#include "mini-sparc.h"
#include "inssel.h"
+#include "trace.h"
#include "cpu-sparc.h"
/*
/*
* Register usage:
- * - %i0..%i7 hold the incoming arguments, these are never written by JITted code
- * - %l0..%l7 is used for local register allocation
- * - %o0..%o6 is used for outgoing arguments
+ * - %i0..%i<n> hold the incoming arguments, these are never written by JITted
+ * code. Unused input registers are used for global register allocation.
+ * - %o0..%o5 and %l7 is used for local register allocation and passing arguments
+ * - %l0..%l6 is used for global register allocation
* - %o7 and %g1 is used as scratch registers in opcodes
* - all floating point registers are used for local register allocation except %f0.
* Only double precision registers are used.
+ * In 64 bit mode:
+ * - fp registers %d0..%d30 are used for parameter passing, and %d32..%d62 are
+ * used for local allocation.
*/
-#if SPARCV9
-#error "Sparc V9 support not yet implemented."
+/*
+ * Alignment:
+ * - doubles and longs must be stored in dword aligned locations
+ */
+
+/*
+ * The following things are not implemented or do not work:
+ * - some fp arithmetic corner cases
+ * The following tests in mono/mini are expected to fail:
+ * - test_0_simple_double_casts
+ * This test casts (guint64)-1 to double and then back to guint64 again.
+ * Under x86, it returns 0, while under sparc it returns -1.
+ *
+ * In addition to this, the runtime requires the trunc function, or its
+ * solaris counterpart, aintl, to do some double->int conversions. If this
+ * function is not available, it is emulated somewhat, but the results can be
+ * strange.
+ */
+
+/*
+ * SPARCV9 FIXME:
+ * - optimize sparc_set according to the memory model
+ * - when non-AOT compiling, compute patch targets immediately so we don't
+ * have to emit the 6 byte template.
+ * - varags
+ * - struct arguments/returns
+ */
+
+/*
+ * SPARCV9 ISSUES:
+ * - sparc_call_simple can't be used in a lot of places since the displacement
+ * might not fit into an imm30.
+ * - g1 can't be used in a lot of places since it is used as a scratch reg in
+ * sparc_set.
+ * - sparc_f0 can't be used as a scratch register on V9
+ * - the %d34..%d62 fp registers are encoded as: %dx = %f(x - 32 + 1), ie.
+ * %d36 = %f5.
+ * - ldind.i4/u4 needs to sign extend/clear out upper word -> slows things down
+ * - ins->dreg can't be used as a scatch register in r4 opcodes since it might
+ * be a double precision register which has no single precision part.
+ * - passing/returning structs is hard to implement, because:
+ * - the spec is very hard to understand
+ * - it requires knowledge about the fields of structure, needs to handle
+ * nested structures etc.
+ */
+
+/*
+ * Possible optimizations:
+ * - delay slot scheduling
+ * - allocate large constants to registers
+ * - add more mul/div/rem optimizations
+ */
+
+#ifndef __linux__
+#define MONO_SPARC_THR_TLS 1
+#endif
+
+/*
+ * There was a 64 bit bug in glib-2.2: g_bit_nth_msf (0, -1) would return 32,
+ * causing infinite loops in dominator computation. So glib-2.4 is required.
+ */
+#ifdef SPARCV9
+#if GLIB_MAJOR_VERSION == 2 && GLIB_MINOR_VERSION < 4
+#error "glib 2.4 or later is required for 64 bit mode."
+#endif
+#endif
+
+#define NOT_IMPLEMENTED do { g_assert_not_reached (); } while (0)
+
+#define ALIGN_TO(val,align) (((val) + ((align) - 1)) & ~((align) - 1))
+
+#define SIGNAL_STACK_SIZE (64 * 1024)
+
+#define STACK_BIAS MONO_SPARC_STACK_BIAS
+
+#ifdef SPARCV9
+
+/* %g1 is used by sparc_set */
+#define GP_SCRATCH_REG sparc_g4
+/* %f0 is used for parameter passing */
+#define FP_SCRATCH_REG sparc_f30
+#define ARGS_OFFSET (STACK_BIAS + 128)
+
+#else
+
+#define FP_SCRATCH_REG sparc_f0
+#define ARGS_OFFSET 68
+#define GP_SCRATCH_REG sparc_g1
+
#endif
-int mono_exc_esp_offset = 0;
+/* Whenever the CPU supports v9 instructions */
+static gboolean sparcv9 = FALSE;
+
+/* Whenever this is a 64bit executable */
+#if SPARCV9
+static gboolean v64 = TRUE;
+#else
+static gboolean v64 = FALSE;
+#endif
-#define NOT_IMPLEMENTED g_assert_not_reached ();
+static gpointer mono_arch_get_lmf_addr (void);
-static void enter_method (MonoMethod *method, char *ebp);
-static void leave_method (MonoMethod *method, ...);
+static int
+mono_spillvar_offset_float (MonoCompile *cfg, int spillvar);
const char*
mono_arch_regname (int reg) {
return "unknown";
}
+const char*
+mono_arch_fregname (int reg) {
+ static const char *rnames [] = {
+ "sparc_f0", "sparc_f1", "sparc_f2", "sparc_f3", "sparc_f4",
+ "sparc_f5", "sparc_f6", "sparc_f7", "sparc_f8", "sparc_f9",
+ "sparc_f10", "sparc_f11", "sparc_f12", "sparc_f13", "sparc_f14",
+ "sparc_f15", "sparc_f16", "sparc_f17", "sparc_f18", "sparc_f19",
+ "sparc_f20", "sparc_f21", "sparc_f22", "sparc_f23", "sparc_f24",
+ "sparc_f25", "sparc_f26", "sparc_f27", "sparc_f28", "sparc_f29",
+ "sparc_f30", "sparc_f31"
+ };
+
+ if (reg >= 0 && reg < 32)
+ return rnames [reg];
+ else
+ return "unknown";
+}
+
/*
* Initialize the cpu to execute managed code.
*/
void
mono_arch_cpu_init (void)
{
+ guint32 dummy;
+ /* make sure sparcv9 is initialized for embedded use */
+ mono_arch_cpu_optimizazions(&dummy);
}
/*
guint32
mono_arch_cpu_optimizazions (guint32 *exclude_mask)
{
+ char buf [1024];
guint32 opts = 0;
+
*exclude_mask = 0;
+
+#ifndef __linux__
+ if (!sysinfo (SI_ISALIST, buf, 1024))
+ g_assert_not_reached ();
+#else
+ /* From glibc. If the getpagesize is 8192, we're on sparc64, which
+ * (in)directly implies that we're a v9 or better.
+ * Improvements to this are greatly accepted...
+ * Also, we don't differentiate between v7 and v8. I sense SIGILL
+ * sniffing in my future.
+ */
+ if (getpagesize() == 8192)
+ strcpy (buf, "sparcv9");
+ else
+ strcpy (buf, "sparcv8");
+#endif
+
+ /*
+ * On some processors, the cmov instructions are even slower than the
+ * normal ones...
+ */
+ if (strstr (buf, "sparcv9")) {
+ opts |= MONO_OPT_CMOV | MONO_OPT_FCMOV;
+ sparcv9 = TRUE;
+ }
+ else
+ *exclude_mask |= MONO_OPT_CMOV | MONO_OPT_FCMOV;
+
return opts;
}
-static gboolean
-is_regsize_var (MonoType *t) {
- if (t->byref)
- return TRUE;
- switch (t->type) {
- case MONO_TYPE_I4:
- case MONO_TYPE_U4:
- case MONO_TYPE_I:
- case MONO_TYPE_U:
- return TRUE;
- case MONO_TYPE_OBJECT:
- case MONO_TYPE_STRING:
- case MONO_TYPE_CLASS:
- case MONO_TYPE_SZARRAY:
- case MONO_TYPE_ARRAY:
- return FALSE;
- case MONO_TYPE_VALUETYPE:
- if (t->data.klass->enumtype)
- return is_regsize_var (t->data.klass->enum_basetype);
- return FALSE;
- }
- return FALSE;
+static void
+mono_sparc_break (void)
+{
}
-GList *
-mono_arch_get_allocatable_int_vars (MonoCompile *cfg)
+#ifdef __GNUC__
+#define flushi(addr) __asm__ __volatile__ ("iflush %0"::"r"(addr):"memory")
+#else /* assume Sun's compiler */
+static void flushi(void *addr)
{
- GList *vars = NULL;
- int i;
+ asm("flush %i0");
+}
+#endif
- /* FIXME: */
- return NULL;
+#ifndef __linux__
+void sync_instruction_memory(caddr_t addr, int len);
+#endif
- for (i = 0; i < cfg->num_varinfo; i++) {
- MonoInst *ins = cfg->varinfo [i];
- MonoMethodVar *vmv = MONO_VARINFO (cfg, i);
+void
+mono_arch_flush_icache (guint8 *code, gint size)
+{
+#ifndef __linux__
+ /* Hopefully this is optimized based on the actual CPU */
+ sync_instruction_memory (code, size);
+#else
+ guint64 *p = (guint64*)code;
+ guint64 *end = (guint64*)(code + ((size + 8) /8));
- /* unused vars */
- if (vmv->range.first_use.abs_pos > vmv->range.last_use.abs_pos)
- continue;
+ /*
+ * FIXME: Flushing code in dword chunks in _slow_.
+ */
+ while (p < end)
+#ifdef __GNUC__
+ __asm__ __volatile__ ("iflush %0"::"r"(p++));
+#else
+ flushi (p ++);
+#endif
+#endif
+}
- if (ins->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT) || (ins->opcode != OP_LOCAL && ins->opcode != OP_ARG))
- continue;
+/*
+ * mono_sparc_flushw:
+ *
+ * Flush all register windows to memory. Every register window is saved to
+ * a 16 word area on the stack pointed to by its %sp register.
+ */
+void
+mono_sparc_flushw (void)
+{
+ static guint32 start [64];
+ static int inited = 0;
+ guint32 *code;
+ static void (*flushw) (void);
- /* FIXME: */
- /* we can only allocate 32 bit values */
- if (is_regsize_var (ins->inst_vtype)) {
- g_assert (MONO_VARINFO (cfg, i)->reg == -1);
- g_assert (i == vmv->idx);
- vars = mono_varlist_insert_sorted (cfg, vars, vmv, FALSE);
- }
- }
+ if (!inited) {
+ code = start;
- return vars;
-}
+ sparc_save_imm (code, sparc_sp, -160, sparc_sp);
+ sparc_flushw (code);
+ sparc_ret (code);
+ sparc_restore_simple (code);
-GList *
-mono_arch_get_global_int_regs (MonoCompile *cfg)
-{
- GList *regs = NULL;
- int i;
+ g_assert ((code - start) < 64);
- /* Use %l0..%l3 as global registers */
+ flushw = (gpointer)start;
- for (i = 16; i < 20; ++i)
- regs = g_list_prepend (regs, GUINT_TO_POINTER (i));
+ inited = 1;
+ }
- return regs;
+ flushw ();
}
-#define flushi(addr) __asm__ __volatile__ ("flush %0"::"r"(addr):"memory")
-
void
-mono_arch_flush_icache (guint8 *code, gint size)
+mono_arch_flush_register_windows (void)
+{
+ mono_sparc_flushw ();
+}
+
+gboolean
+mono_arch_is_inst_imm (gint64 imm)
{
- guint i;
+ return sparc_is_imm13 (imm);
+}
- /* FIXME: Make this more efficient */
- for (i = 0; i < (size/8); i++)
- flushi(code + (i*8));
+gboolean
+mono_sparc_is_v9 (void) {
+ return sparcv9;
+}
+gboolean
+mono_sparc_is_sparc64 (void) {
+ return v64;
}
typedef enum {
ArgInFReg,
ArgInFRegPair,
ArgOnStack,
- ArgOnStackPair
+ ArgOnStackPair,
+ ArgInFloatReg, /* V9 only */
+ ArgInDoubleReg /* V9 only */
} ArgStorage;
typedef struct {
typedef struct {
int nargs;
guint32 stack_usage;
+ guint32 reg_usage;
ArgInfo ret;
+ ArgInfo sig_cookie;
ArgInfo args [1];
} CallInfo;
}
/* Allways reserve stack space for parameters passed in registers */
- (*stack_size) += 4;
+ (*stack_size) += sizeof (gpointer);
}
else {
if (*gr < PARAM_REGS - 1) {
else if (*gr >= PARAM_REGS) {
/* A pair of stack locations */
ainfo->storage = ArgOnStackPair;
- ainfo->offset = *stack_size;
}
else {
ainfo->storage = ArgInSplitRegStack;
ainfo->reg = *gr;
- ainfo->offset = *stack_size;
(*gr) ++;
}
- (*stack_size) += 8;
+ (*stack_size) += 2 * sizeof (gpointer);
+ }
+}
+
+#ifdef SPARCV9
+
+#define FLOAT_PARAM_REGS 32
+
+static void inline
+add_float (guint32 *gr, guint32 *stack_size, ArgInfo *ainfo, gboolean single)
+{
+ ainfo->offset = *stack_size;
+
+ if (single) {
+ if (*gr >= FLOAT_PARAM_REGS) {
+ ainfo->storage = ArgOnStack;
+ }
+ else {
+ /* A single is passed in an even numbered fp register */
+ ainfo->storage = ArgInFloatReg;
+ ainfo->reg = *gr + 1;
+ (*gr) += 2;
+ }
+ }
+ else {
+ if (*gr < FLOAT_PARAM_REGS) {
+ /* A double register */
+ ainfo->storage = ArgInDoubleReg;
+ ainfo->reg = *gr;
+ (*gr) += 2;
+ }
+ else {
+ ainfo->storage = ArgOnStack;
+ }
}
+
+ (*stack_size) += sizeof (gpointer);
}
+#endif
+
/*
* get_call_info:
*
* Obtain information about a call according to the calling convention.
- * See the "System V ABI, Sparc Processor Supplement" Sparc V8 version document for
- * more information.
+ * For V8, see the "System V ABI, Sparc Processor Supplement" Sparc V8 version
+ * document for more information.
+ * For V9, see the "Low Level System Information (64-bit psABI)" chapter in
+ * the 'Sparc Compliance Definition 2.4' document.
*/
static CallInfo*
get_call_info (MonoMethodSignature *sig, gboolean is_pinvoke)
{
- guint32 i, gr, simpletype;
+ guint32 i, gr, fr;
int n = sig->hasthis + sig->param_count;
guint32 stack_size = 0;
CallInfo *cinfo;
cinfo = g_malloc0 (sizeof (CallInfo) + (sizeof (ArgInfo) * n));
gr = 0;
+ fr = 0;
+
+#ifdef SPARCV9
+ if (MONO_TYPE_ISSTRUCT ((sig->ret))) {
+ /* The address of the return value is passed in %o0 */
+ add_general (&gr, &stack_size, &cinfo->ret, FALSE);
+ cinfo->ret.reg += sparc_i0;
+ }
+#endif
/* this */
if (sig->hasthis)
add_general (&gr, &stack_size, cinfo->args + 0, FALSE);
+ if ((sig->call_convention == MONO_CALL_VARARG) && (n == 0)) {
+ gr = PARAM_REGS;
+
+ /* Emit the signature cookie just before the implicit arguments */
+ add_general (&gr, &stack_size, &cinfo->sig_cookie, FALSE);
+ }
+
for (i = 0; i < sig->param_count; ++i) {
ArgInfo *ainfo = &cinfo->args [sig->hasthis + i];
+ if ((sig->call_convention == MONO_CALL_VARARG) && (i == sig->sentinelpos)) {
+ gr = PARAM_REGS;
+
+ /* Emit the signature cookie just before the implicit arguments */
+ add_general (&gr, &stack_size, &cinfo->sig_cookie, FALSE);
+ }
+
DEBUG(printf("param %d: ", i));
if (sig->params [i]->byref) {
DEBUG(printf("byref\n"));
add_general (&gr, &stack_size, ainfo, FALSE);
continue;
}
- simpletype = sig->params [i]->type;
- enum_calc_size:
- switch (simpletype) {
+ switch (mono_type_get_underlying_type (sig->params [i])->type) {
case MONO_TYPE_BOOLEAN:
- case MONO_TYPE_CHAR:
case MONO_TYPE_I1:
case MONO_TYPE_U1:
add_general (&gr, &stack_size, ainfo, FALSE);
/* the value is in the ls byte */
- ainfo->offset += 3;
+ ainfo->offset += sizeof (gpointer) - 1;
break;
case MONO_TYPE_I2:
case MONO_TYPE_U2:
+ case MONO_TYPE_CHAR:
add_general (&gr, &stack_size, ainfo, FALSE);
/* the value is in the ls word */
- ainfo->offset += 2;
+ ainfo->offset += sizeof (gpointer) - 2;
break;
case MONO_TYPE_I4:
case MONO_TYPE_U4:
+ add_general (&gr, &stack_size, ainfo, FALSE);
+ /* the value is in the ls dword */
+ ainfo->offset += sizeof (gpointer) - 4;
+ break;
case MONO_TYPE_I:
case MONO_TYPE_U:
case MONO_TYPE_PTR:
+ case MONO_TYPE_FNPTR:
case MONO_TYPE_CLASS:
case MONO_TYPE_OBJECT:
case MONO_TYPE_STRING:
case MONO_TYPE_ARRAY:
add_general (&gr, &stack_size, ainfo, FALSE);
break;
- case MONO_TYPE_VALUETYPE: {
- if (sig->params [i]->data.klass->enumtype) {
- simpletype = sig->params [i]->data.klass->enum_basetype->type;
- goto enum_calc_size;
- }
-
+ case MONO_TYPE_VALUETYPE:
+#ifdef SPARCV9
+ if (sig->pinvoke)
+ NOT_IMPLEMENTED;
+#endif
+ add_general (&gr, &stack_size, ainfo, FALSE);
+ break;
+ case MONO_TYPE_TYPEDBYREF:
add_general (&gr, &stack_size, ainfo, FALSE);
break;
- }
case MONO_TYPE_U8:
case MONO_TYPE_I8:
+#ifdef SPARCV9
+ add_general (&gr, &stack_size, ainfo, FALSE);
+#else
add_general (&gr, &stack_size, ainfo, TRUE);
+#endif
break;
case MONO_TYPE_R4:
+#ifdef SPARCV9
+ add_float (&fr, &stack_size, ainfo, TRUE);
+ gr ++;
+#else
/* single precision values are passed in integer registers */
add_general (&gr, &stack_size, ainfo, FALSE);
+#endif
break;
case MONO_TYPE_R8:
+#ifdef SPARCV9
+ add_float (&fr, &stack_size, ainfo, FALSE);
+ gr ++;
+#else
/* double precision values are passed in a pair of registers */
add_general (&gr, &stack_size, ainfo, TRUE);
+#endif
break;
default:
g_assert_not_reached ();
}
}
+ if (!sig->pinvoke && (sig->call_convention == MONO_CALL_VARARG) && (n > 0) && (sig->sentinelpos == sig->param_count)) {
+ gr = PARAM_REGS;
+
+ /* Emit the signature cookie just before the implicit arguments */
+ add_general (&gr, &stack_size, &cinfo->sig_cookie, FALSE);
+ }
+
/* return value */
{
- simpletype = sig->ret->type;
-enum_retvalue:
- switch (simpletype) {
+ switch (mono_type_get_underlying_type (sig->ret)->type) {
case MONO_TYPE_BOOLEAN:
case MONO_TYPE_I1:
case MONO_TYPE_U1:
case MONO_TYPE_U4:
case MONO_TYPE_I:
case MONO_TYPE_U:
+ case MONO_TYPE_PTR:
+ case MONO_TYPE_FNPTR:
case MONO_TYPE_CLASS:
case MONO_TYPE_OBJECT:
case MONO_TYPE_SZARRAY:
case MONO_TYPE_STRING:
cinfo->ret.storage = ArgInIReg;
cinfo->ret.reg = sparc_i0;
+ if (gr < 1)
+ gr = 1;
break;
case MONO_TYPE_U8:
case MONO_TYPE_I8:
+#ifdef SPARCV9
+ cinfo->ret.storage = ArgInIReg;
+ cinfo->ret.reg = sparc_i0;
+ if (gr < 1)
+ gr = 1;
+#else
cinfo->ret.storage = ArgInIRegPair;
cinfo->ret.reg = sparc_i0;
+ if (gr < 2)
+ gr = 2;
+#endif
break;
case MONO_TYPE_R4:
case MONO_TYPE_R8:
cinfo->ret.reg = sparc_f0;
break;
case MONO_TYPE_VALUETYPE:
- if (sig->ret->data.klass->enumtype) {
- simpletype = sig->ret->data.klass->enum_basetype->type;
- goto enum_retvalue;
+ if (v64) {
+ if (sig->pinvoke)
+ NOT_IMPLEMENTED;
+ else
+ /* Already done */
+ ;
+ }
+ else
+ cinfo->ret.storage = ArgOnStack;
+ break;
+ case MONO_TYPE_TYPEDBYREF:
+ if (v64) {
+ if (sig->pinvoke)
+ /* Same as a valuetype with size 24 */
+ NOT_IMPLEMENTED;
+ else
+ /* Already done */
+ ;
}
- cinfo->ret.storage = ArgOnStack;
+ else
+ cinfo->ret.storage = ArgOnStack;
break;
case MONO_TYPE_VOID:
break;
}
cinfo->stack_usage = stack_size;
+ cinfo->reg_usage = gr;
return cinfo;
}
-/*
- * Set var information according to the calling convention. sparc version.
- * The locals var stuff should most likely be split in another method.
- */
-void
-mono_arch_allocate_vars (MonoCompile *m)
+static gboolean
+is_regsize_var (MonoType *t) {
+ if (t->byref)
+ return TRUE;
+ switch (mono_type_get_underlying_type (t)->type) {
+ case MONO_TYPE_BOOLEAN:
+ case MONO_TYPE_CHAR:
+ case MONO_TYPE_I1:
+ case MONO_TYPE_U1:
+ case MONO_TYPE_I2:
+ case MONO_TYPE_U2:
+ case MONO_TYPE_I4:
+ case MONO_TYPE_U4:
+ case MONO_TYPE_I:
+ case MONO_TYPE_U:
+ return TRUE;
+ case MONO_TYPE_OBJECT:
+ case MONO_TYPE_STRING:
+ case MONO_TYPE_CLASS:
+ case MONO_TYPE_SZARRAY:
+ case MONO_TYPE_ARRAY:
+ return TRUE;
+ case MONO_TYPE_VALUETYPE:
+ return FALSE;
+#ifdef SPARCV9
+ case MONO_TYPE_I8:
+ case MONO_TYPE_U8:
+ return TRUE;
+#endif
+ }
+ return FALSE;
+}
+
+GList *
+mono_arch_get_allocatable_int_vars (MonoCompile *cfg)
{
- MonoMethodSignature *sig;
- MonoMethodHeader *header;
- MonoInst *inst;
- int i, offset, size, align, curinst;
- int frame_reg = sparc_sp;
- CallInfo *cinfo;
-
- m->frame_reg = frame_reg;
+ GList *vars = NULL;
+ int i;
- header = ((MonoMethodNormal *)m->method)->header;
+ /*
+ * FIXME: If an argument is allocated to a register, then load it from the
+ * stack in the prolog.
+ */
- sig = m->method->signature;
+ for (i = 0; i < cfg->num_varinfo; i++) {
+ MonoInst *ins = cfg->varinfo [i];
+ MonoMethodVar *vmv = MONO_VARINFO (cfg, i);
- cinfo = get_call_info (sig, FALSE);
+ /* unused vars */
+ if (vmv->range.first_use.abs_pos >= vmv->range.last_use.abs_pos)
+ continue;
+
+ /* FIXME: Make arguments on stack allocateable to registers */
+ if (ins->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT) || (ins->opcode == OP_REGVAR) || (ins->opcode == OP_ARG))
+ continue;
+
+ if (is_regsize_var (ins->inst_vtype)) {
+ g_assert (MONO_VARINFO (cfg, i)->reg == -1);
+ g_assert (i == vmv->idx);
+
+ vars = mono_varlist_insert_sorted (cfg, vars, vmv, FALSE);
+ }
+ }
+
+ return vars;
+}
+
+GList *
+mono_arch_get_global_int_regs (MonoCompile *cfg)
+{
+ GList *regs = NULL;
+ int i;
+ MonoMethodSignature *sig;
+ CallInfo *cinfo;
+
+ sig = mono_method_signature (cfg->method);
+
+ cinfo = get_call_info (sig, FALSE);
+
+ /* Use unused input registers */
+ for (i = cinfo->reg_usage; i < 6; ++i)
+ regs = g_list_prepend (regs, GUINT_TO_POINTER (sparc_i0 + i));
+
+ /* Use %l0..%l6 as global registers */
+ for (i = sparc_l0; i < sparc_l7; ++i)
+ regs = g_list_prepend (regs, GUINT_TO_POINTER (i));
+
+ g_free (cinfo);
+
+ return regs;
+}
+
+/*
+ * mono_arch_regalloc_cost:
+ *
+ * Return the cost, in number of memory references, of the action of
+ * allocating the variable VMV into a register during global register
+ * allocation.
+ */
+guint32
+mono_arch_regalloc_cost (MonoCompile *cfg, MonoMethodVar *vmv)
+{
+ return 0;
+}
+
+/*
+ * Set var information according to the calling convention. sparc version.
+ * The locals var stuff should most likely be split in another method.
+ */
+void
+mono_arch_allocate_vars (MonoCompile *m)
+{
+ MonoMethodSignature *sig;
+ MonoMethodHeader *header;
+ MonoInst *inst;
+ int i, offset, size, align, curinst;
+ CallInfo *cinfo;
+
+ header = mono_method_get_header (m->method);
+
+ sig = mono_method_signature (m->method);
+
+ cinfo = get_call_info (sig, FALSE);
if (sig->ret->type != MONO_TYPE_VOID) {
switch (cinfo->ret.storage) {
m->ret->inst_c0 = cinfo->ret.reg;
break;
case ArgOnStack:
+#ifdef SPARCV9
+ g_assert_not_reached ();
+#else
/* valuetypes */
m->ret->opcode = OP_REGOFFSET;
m->ret->inst_basereg = sparc_fp;
m->ret->inst_offset = 64;
+#endif
break;
default:
NOT_IMPLEMENTED;
}
+ m->ret->dreg = m->ret->inst_c0;
}
/*
- * We use the Sparc V8 calling conventions for managed code as well.
+ * We use the ABI calling conventions for managed code as well.
+ * Exception: valuetypes are never returned in registers on V9.
* FIXME: Use something more optimized.
*/
- offset = 64; /* register save area */
- offset += 4; /* struct/union return pointer */
+ /* Locals are allocated backwards from %fp */
+ m->frame_reg = sparc_fp;
+ offset = 0;
+
+ /*
+ * Reserve a stack slot for holding information used during exception
+ * handling.
+ */
+ if (header->num_clauses)
+ offset += sizeof (gpointer) * 2;
+
+ if (m->method->save_lmf) {
+ offset += sizeof (MonoLMF);
+ m->arch.lmf_offset = offset;
+ }
- /* add parameter area size for called functions */
- if (m->param_area < 24)
- /* Reserve space for the first 6 arguments even if it is unused */
- offset += 24;
- else
- offset += m->param_area;
-
curinst = m->locals_start;
for (i = curinst; i < m->num_varinfo; ++i) {
inst = m->varinfo [i];
- if (inst->opcode == OP_REGVAR)
+ if (inst->opcode == OP_REGVAR) {
+ //g_print ("allocating local %d to %s\n", i, mono_arch_regname (inst->dreg));
+ continue;
+ }
+
+ if (inst->flags & MONO_INST_IS_DEAD)
continue;
/* inst->unused indicates native sized value types, this is used by the
* pinvoke wrappers when they call functions returning structure */
- if (inst->unused && MONO_TYPE_ISSTRUCT (inst->inst_vtype))
+ if (inst->unused && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF)
size = mono_class_native_size (inst->inst_vtype->data.klass, &align);
else
- size = mono_type_size (inst->inst_vtype, &align);
+ size = mono_type_stack_size (inst->inst_vtype, &align);
+
+ /*
+ * This is needed since structures containing doubles must be doubleword
+ * aligned.
+ * FIXME: Do this only if needed.
+ */
+ if (MONO_TYPE_ISSTRUCT (inst->inst_vtype))
+ align = 8;
+
+ /*
+ * variables are accessed as negative offsets from %fp, so increase
+ * the offset before assigning it to a variable
+ */
+ offset += size;
offset += align - 1;
offset &= ~(align - 1);
- inst->inst_offset = offset;
inst->opcode = OP_REGOFFSET;
- inst->inst_basereg = frame_reg;
- offset += size;
- //g_print ("allocating local %d to %d\n", i, inst->inst_offset);
- }
+ inst->inst_basereg = sparc_fp;
+ inst->inst_offset = STACK_BIAS + -offset;
- curinst = 0;
- if (sig->hasthis) {
- inst = m->varinfo [curinst];
- if (inst->opcode != OP_REGVAR) {
- ArgInfo *ainfo = &cinfo->args [0];
-
- g_assert (ainfo->storage == ArgInIReg);
+ //g_print ("allocating local %d to [%s - %d]\n", i, mono_arch_regname (inst->inst_basereg), - inst->inst_offset);
+ }
- inst->opcode = OP_REGVAR;
- inst->dreg = sparc_i0 + ainfo->reg;
- }
- curinst++;
+ if (sig->call_convention == MONO_CALL_VARARG) {
+ m->sig_cookie = cinfo->sig_cookie.offset + ARGS_OFFSET;
}
- for (i = 0; i < sig->param_count; ++i) {
- inst = m->varinfo [curinst];
+ for (i = 0; i < sig->param_count + sig->hasthis; ++i) {
+ inst = m->varinfo [i];
if (inst->opcode != OP_REGVAR) {
- ArgInfo *ainfo = &cinfo->args [curinst];
+ ArgInfo *ainfo = &cinfo->args [i];
gboolean inreg = TRUE;
+ MonoType *arg_type;
+ ArgStorage storage;
+
+ if (sig->hasthis && (i == 0))
+ arg_type = &mono_defaults.object_class->byval_arg;
+ else
+ arg_type = sig->params [i - sig->hasthis];
- if ((sig->params [i]->type == MONO_TYPE_R4)
- || (sig->params [i]->type == MONO_TYPE_R8))
+#ifndef SPARCV9
+ if (!arg_type->byref && ((arg_type->type == MONO_TYPE_R4)
+ || (arg_type->type == MONO_TYPE_R8)))
/*
* Since float arguments are passed in integer registers, we need to
* save them to the stack in the prolog.
*/
inreg = FALSE;
+#endif
+ /* FIXME: Allocate volatile arguments to registers */
if (inst->flags & (MONO_INST_VOLATILE|MONO_INST_INDIRECT))
inreg = FALSE;
- if (MONO_TYPE_ISSTRUCT (sig->params [i]))
+ if (MONO_TYPE_ISSTRUCT (arg_type))
/* FIXME: this isn't needed */
inreg = FALSE;
- switch (ainfo->storage) {
+ inst->opcode = OP_REGOFFSET;
+
+ if (!inreg)
+ storage = ArgOnStack;
+ else
+ storage = ainfo->storage;
+
+ switch (storage) {
case ArgInIReg:
case ArgInIRegPair:
- if (inreg) {
- inst->opcode = OP_REGVAR;
- inst->dreg = sparc_i0 + ainfo->reg;
- break;
- }
- else {
- /* Fall through */
- }
+ inst->opcode = OP_REGVAR;
+ inst->dreg = sparc_i0 + ainfo->reg;
+ break;
+ case ArgInFloatReg:
+ case ArgInDoubleReg:
+ /*
+ * Since float regs are volatile, we save the arguments to
+ * the stack in the prolog.
+ * FIXME: Avoid this if the method contains no calls.
+ */
case ArgOnStack:
case ArgOnStackPair:
case ArgInSplitRegStack:
inst->opcode = OP_REGOFFSET;
/* in parent frame */
inst->inst_basereg = sparc_fp;
- inst->inst_offset = ainfo->offset + 68;
+ inst->inst_offset = ainfo->offset + ARGS_OFFSET;
- if (sig->params [i]->type == MONO_TYPE_R8) {
+ if (!arg_type->byref && (arg_type->type == MONO_TYPE_R8)) {
/*
* It is very hard to load doubles from non-doubleword aligned
* memory locations. So if the offset is misaligned, we copy the
* argument to a stack location in the prolog.
*/
- if (inst->inst_offset % 8) {
- inst->inst_basereg = sparc_sp;
+ if ((inst->inst_offset - STACK_BIAS) % 8) {
+ inst->inst_basereg = sparc_fp;
+ offset += 8;
align = 8;
offset += align - 1;
offset &= ~(align - 1);
- inst->inst_offset = offset;
- offset += 8;
+ inst->inst_offset = STACK_BIAS + -offset;
+
}
}
break;
NOT_IMPLEMENTED;
}
- if (MONO_TYPE_ISSTRUCT (sig->params [i])) {
+ if (MONO_TYPE_ISSTRUCT (arg_type)) {
/* Add a level of indirection */
/*
* It would be easier to add OP_LDIND_I here, but ldind_i instructions
inst->inst_left = indir;
}
}
- else
- g_assert_not_reached ();
- curinst++;
}
- /* align the stack size to 8 bytes */
- offset += 8 - 1;
- offset &= ~(8 - 1);
-
- /* Add a properly aligned dword for use by int<->float conversion opcodes */
- offset += 8;
+ /*
+ * spillvars are stored between the normal locals and the storage reserved
+ * by the ABI.
+ */
m->stack_offset = offset;
+ /* Add a properly aligned dword for use by int<->float conversion opcodes */
+ m->spill_count ++;
+ mono_spillvar_offset_float (m, 0);
+
g_free (cinfo);
}
+static MonoInst *
+make_group (MonoCompile *cfg, MonoInst *left, int basereg, int offset)
+{
+ MonoInst *group;
+
+ MONO_INST_NEW (cfg, group, OP_GROUP);
+ group->inst_left = left;
+ group->inst_basereg = basereg;
+ group->inst_imm = offset;
+
+ return group;
+}
+
/*
* take the arguments and generate the arch-specific
* instructions to properly call the function in call.
for (i = 0; i < n; ++i) {
ainfo = cinfo->args + i;
+
+ if ((sig->call_convention == MONO_CALL_VARARG) && (i == sig->sentinelpos)) {
+ /* Emit the signature cookie just before the first implicit argument */
+ MonoInst *sig_arg;
+ MonoMethodSignature *tmp_sig;
+
+ /*
+ * mono_ArgIterator_Setup assumes the signature cookie is
+ * passed first and all the arguments which were before it are
+ * passed on the stack after the signature. So compensate by
+ * passing a different signature.
+ */
+ tmp_sig = mono_metadata_signature_dup (call->signature);
+ tmp_sig->param_count -= call->signature->sentinelpos;
+ tmp_sig->sentinelpos = 0;
+ memcpy (tmp_sig->params, call->signature->params + call->signature->sentinelpos, tmp_sig->param_count * sizeof (MonoType*));
+
+ /* FIXME: Add support for signature tokens to AOT */
+ cfg->disable_aot = TRUE;
+ /* We allways pass the signature on the stack for simplicity */
+ MONO_INST_NEW (cfg, arg, OP_SPARC_OUTARG_MEM);
+ arg->inst_right = make_group (cfg, (MonoInst*)call, sparc_sp, ARGS_OFFSET + cinfo->sig_cookie.offset);
+ MONO_INST_NEW (cfg, sig_arg, OP_ICONST);
+ sig_arg->inst_p0 = tmp_sig;
+ arg->inst_left = sig_arg;
+ arg->type = STACK_PTR;
+ /* prepend, so they get reversed */
+ arg->next = call->out_args;
+ call->out_args = arg;
+ }
+
if (is_virtual && i == 0) {
/* the argument will be attached to the call instruction */
in = call->args [i];
if ((i >= sig->hasthis) && (MONO_TYPE_ISSTRUCT(sig->params [i - sig->hasthis]))) {
MonoInst *inst;
- guint32 size = mono_type_stack_size (&in->klass->byval_arg, NULL);
+ gint align;
+ guint32 offset, pad;
+ guint32 size;
+
+#ifdef SPARCV9
+ if (sig->pinvoke)
+ NOT_IMPLEMENTED;
+#endif
+
+ if (sig->params [i - sig->hasthis]->type == MONO_TYPE_TYPEDBYREF) {
+ size = sizeof (MonoTypedRef);
+ align = sizeof (gpointer);
+ }
+ else
+ if (sig->pinvoke)
+ size = mono_type_native_stack_size (&in->klass->byval_arg, &align);
+ else
+ size = mono_type_stack_size (&in->klass->byval_arg, &align);
/*
* We use OP_OUTARG_VT to copy the valuetype to a stack location, then
inst->inst_left = in;
/* The first 6 argument locations are reserved */
- if (cinfo->stack_usage < 24)
- cinfo->stack_usage = 24;
+ if (cinfo->stack_usage < 6 * sizeof (gpointer))
+ cinfo->stack_usage = 6 * sizeof (gpointer);
+
+ offset = ALIGN_TO ((ARGS_OFFSET - STACK_BIAS) + cinfo->stack_usage, align);
+ pad = offset - ((ARGS_OFFSET - STACK_BIAS) + cinfo->stack_usage);
- inst->inst_c1 = 68 + cinfo->stack_usage;
+ inst->inst_c1 = STACK_BIAS + offset;
inst->unused = size;
arg->inst_left = inst;
cinfo->stack_usage += size;
+ cinfo->stack_usage += pad;
}
+ arg->inst_right = make_group (cfg, (MonoInst*)call, sparc_sp, ARGS_OFFSET + ainfo->offset);
+
switch (ainfo->storage) {
case ArgInIReg:
case ArgInFReg:
if (ainfo->storage == ArgInIRegPair)
arg->opcode = OP_SPARC_OUTARG_REGPAIR;
arg->unused = sparc_o0 + ainfo->reg;
- /* outgoing arguments begin at sp+68 */
- arg->inst_basereg = sparc_sp;
- arg->inst_imm = 68 + ainfo->offset;
call->used_iregs |= 1 << ainfo->reg;
- if ((i >= sig->hasthis) && (sig->params [i - sig->hasthis]->type == MONO_TYPE_R8)) {
+ if ((i >= sig->hasthis) && !sig->params [i - sig->hasthis]->byref && ((sig->params [i - sig->hasthis]->type == MONO_TYPE_R8) || (sig->params [i - sig->hasthis]->type == MONO_TYPE_R4))) {
+ /* An fp value is passed in an ireg */
+
+ if (arg->opcode == OP_SPARC_OUTARG_REGPAIR)
+ arg->opcode = OP_SPARC_OUTARG_REGPAIR_FLOAT;
+ else
+ arg->opcode = OP_SPARC_OUTARG_FLOAT;
+
/*
* The OUTARG (freg) implementation needs an extra dword to store
* the temporary value.
- */
+ */
extra_space += 8;
}
break;
case ArgOnStack:
arg->opcode = OP_SPARC_OUTARG_MEM;
- arg->inst_basereg = sparc_sp;
- arg->inst_imm = 68 + ainfo->offset;
break;
case ArgOnStackPair:
arg->opcode = OP_SPARC_OUTARG_MEMPAIR;
- arg->inst_basereg = sparc_sp;
- arg->inst_imm = 68 + ainfo->offset;
break;
case ArgInSplitRegStack:
arg->opcode = OP_SPARC_OUTARG_SPLIT_REG_STACK;
arg->unused = sparc_o0 + ainfo->reg;
- arg->inst_basereg = sparc_sp;
- arg->inst_imm = 68 + ainfo->offset;
call->used_iregs |= 1 << ainfo->reg;
break;
+ case ArgInFloatReg:
+ arg->opcode = OP_SPARC_OUTARG_FLOAT_REG;
+ arg->unused = sparc_f0 + ainfo->reg;
+ break;
+ case ArgInDoubleReg:
+ arg->opcode = OP_SPARC_OUTARG_DOUBLE_REG;
+ arg->unused = sparc_f0 + ainfo->reg;
+ break;
default:
NOT_IMPLEMENTED;
}
call->out_args = prev;
}
call->stack_usage = cinfo->stack_usage + extra_space;
+ call->out_ireg_args = NULL;
+ call->out_freg_args = NULL;
cfg->param_area = MAX (cfg->param_area, call->stack_usage);
cfg->flags |= MONO_CFG_HAS_CALLS;
opcode_to_sparc_cond (int opcode)
{
switch (opcode) {
-
case OP_FBGE:
return sparc_fbge;
case OP_FBLE:
case OP_FCGT_UN:
return sparc_fbg;
case CEE_BEQ:
+ case OP_IBEQ:
case OP_CEQ:
+ case OP_ICEQ:
+ case OP_COND_EXC_EQ:
return sparc_be;
case CEE_BNE_UN:
+ case OP_COND_EXC_NE_UN:
+ case OP_IBNE_UN:
return sparc_bne;
case CEE_BLT:
+ case OP_IBLT:
case OP_CLT:
+ case OP_ICLT:
+ case OP_COND_EXC_LT:
return sparc_bl;
case CEE_BLT_UN:
+ case OP_IBLT_UN:
case OP_CLT_UN:
+ case OP_ICLT_UN:
+ case OP_COND_EXC_LT_UN:
return sparc_blu;
case CEE_BGT:
+ case OP_IBGT:
case OP_CGT:
+ case OP_ICGT:
+ case OP_COND_EXC_GT:
return sparc_bg;
case CEE_BGT_UN:
+ case OP_IBGT_UN:
case OP_CGT_UN:
+ case OP_ICGT_UN:
+ case OP_COND_EXC_GT_UN:
return sparc_bgu;
case CEE_BGE:
+ case OP_IBGE:
+ case OP_COND_EXC_GE:
return sparc_bge;
case CEE_BGE_UN:
+ case OP_IBGE_UN:
+ case OP_COND_EXC_GE_UN:
return sparc_beu;
case CEE_BLE:
+ case OP_IBLE:
+ case OP_COND_EXC_LE:
return sparc_ble;
case CEE_BLE_UN:
+ case OP_IBLE_UN:
+ case OP_COND_EXC_LE_UN:
return sparc_bleu;
+ case OP_COND_EXC_OV:
+ case OP_COND_EXC_IOV:
+ return sparc_bvs;
+ case OP_COND_EXC_C:
+ case OP_COND_EXC_IC:
+ return sparc_bcs;
+ case OP_COND_EXC_NO:
+ case OP_COND_EXC_NC:
+ NOT_IMPLEMENTED;
default:
g_assert_not_reached ();
return sparc_be;
}
}
-#define EMIT_COND_BRANCH_GENERAL(ins,bop,cond) \
+#define COMPUTE_DISP(ins) \
if (ins->flags & MONO_INST_BRLABEL) { \
- if (ins->inst_i0->inst_c0) { \
- gint32 disp = (ins->inst_i0->inst_c0 - ((guint8*)code - cfg->native_code)) >> 2; \
- g_assert (sparc_is_imm22 (disp)); \
- sparc_ ## bop (code, 1, cond, disp); \
- } else { \
+ if (ins->inst_i0->inst_c0) \
+ disp = (ins->inst_i0->inst_c0 - ((guint8*)code - cfg->native_code)) >> 2; \
+ else { \
+ disp = 0; \
mono_add_patch_info (cfg, (guint8*)code - cfg->native_code, MONO_PATCH_INFO_LABEL, ins->inst_i0); \
- sparc_ ## bop (code, 1, cond, 0); \
} \
- sparc_nop (code); \
} else { \
- if (ins->inst_true_bb->native_offset) { \
- gint32 disp = (ins->inst_true_bb->native_offset - ((guint8*)code - cfg->native_code)) >> 2; \
- g_assert (sparc_is_imm22 (disp)); \
- sparc_ ## bop (code, 1, cond, disp); \
- } else { \
+ if (ins->inst_true_bb->native_offset) \
+ disp = (ins->inst_true_bb->native_offset - ((guint8*)code - cfg->native_code)) >> 2; \
+ else { \
+ disp = 0; \
mono_add_patch_info (cfg, (guint8*)code - cfg->native_code, MONO_PATCH_INFO_BB, ins->inst_true_bb); \
- sparc_ ## bop (code, 1, cond, 0); \
} \
- sparc_nop (code); \
}
-#define EMIT_COND_BRANCH(ins,cond) EMIT_COND_BRANCH_GENERAL((ins),branch,(cond))
+#ifdef SPARCV9
+#define DEFAULT_ICC sparc_xcc_short
+#else
+#define DEFAULT_ICC sparc_icc_short
+#endif
+
+#ifdef SPARCV9
+#define EMIT_COND_BRANCH_ICC(ins,cond,annul,filldelay,icc) \
+ do { \
+ gint32 disp; \
+ guint32 predict; \
+ COMPUTE_DISP(ins); \
+ predict = (disp != 0) ? 1 : 0; \
+ g_assert (sparc_is_imm19 (disp)); \
+ sparc_branchp (code, (annul), cond, icc, (predict), disp); \
+ if (filldelay) sparc_nop (code); \
+ } while (0)
+#define EMIT_COND_BRANCH(ins,cond,annul,filldelay) EMIT_COND_BRANCH_ICC ((ins), (cond), (annul), (filldelay), (sparc_xcc_short))
+#define EMIT_FLOAT_COND_BRANCH(ins,cond,annul,filldelay) \
+ do { \
+ gint32 disp; \
+ guint32 predict; \
+ COMPUTE_DISP(ins); \
+ predict = (disp != 0) ? 1 : 0; \
+ g_assert (sparc_is_imm19 (disp)); \
+ sparc_fbranch (code, (annul), cond, disp); \
+ if (filldelay) sparc_nop (code); \
+ } while (0)
+#else
+#define EMIT_COND_BRANCH_ICC(ins,cond,annul,filldelay,icc) g_assert_not_reached ()
+#define EMIT_COND_BRANCH_GENERAL(ins,bop,cond,annul,filldelay) \
+ do { \
+ gint32 disp; \
+ COMPUTE_DISP(ins); \
+ g_assert (sparc_is_imm22 (disp)); \
+ sparc_ ## bop (code, (annul), cond, disp); \
+ if (filldelay) sparc_nop (code); \
+ } while (0)
+#define EMIT_COND_BRANCH(ins,cond,annul,filldelay) EMIT_COND_BRANCH_GENERAL((ins),branch,(cond),annul,filldelay)
+#define EMIT_FLOAT_COND_BRANCH(ins,cond,annul,filldelay) EMIT_COND_BRANCH_GENERAL((ins),fbranch,(cond),annul,filldelay)
+#endif
+
+#define EMIT_COND_BRANCH_PREDICTED(ins,cond,annul,filldelay) \
+ do { \
+ gint32 disp; \
+ guint32 predict; \
+ COMPUTE_DISP(ins); \
+ predict = (disp != 0) ? 1 : 0; \
+ g_assert (sparc_is_imm19 (disp)); \
+ sparc_branchp (code, (annul), (cond), DEFAULT_ICC, (predict), disp); \
+ if (filldelay) sparc_nop (code); \
+ } while (0)
+
+#define EMIT_COND_BRANCH_BPR(ins,bop,predict,annul,filldelay) \
+ do { \
+ gint32 disp; \
+ COMPUTE_DISP(ins); \
+ g_assert (sparc_is_imm22 (disp)); \
+ sparc_ ## bop (code, (annul), (predict), ins->sreg1, disp); \
+ if (filldelay) sparc_nop (code); \
+ } while (0)
+
+/* emit an exception if condition is fail */
+/*
+ * We put the exception throwing code out-of-line, at the end of the method
+ */
+#define EMIT_COND_SYSTEM_EXCEPTION_GENERAL(ins,cond,sexc_name,filldelay,icc) do { \
+ mono_add_patch_info (cfg, (guint8*)(code) - (cfg)->native_code, \
+ MONO_PATCH_INFO_EXC, sexc_name); \
+ if (sparcv9) { \
+ sparc_branchp (code, 0, (cond), (icc), 0, 0); \
+ } \
+ else { \
+ sparc_branch (code, 0, cond, 0); \
+ } \
+ if (filldelay) sparc_nop (code); \
+ } while (0);
+
+#define EMIT_COND_SYSTEM_EXCEPTION(ins,cond,sexc_name) EMIT_COND_SYSTEM_EXCEPTION_GENERAL(ins,cond,sexc_name,TRUE,DEFAULT_ICC)
-#define EMIT_FLOAT_COND_BRANCH(ins,cond) EMIT_COND_BRANCH_GENERAL((ins),fbranch,(cond))
+#define EMIT_COND_SYSTEM_EXCEPTION_BPR(ins,bop,sexc_name) do { \
+ mono_add_patch_info (cfg, (guint8*)(code) - (cfg)->native_code, \
+ MONO_PATCH_INFO_EXC, sexc_name); \
+ sparc_ ## bop (code, FALSE, FALSE, ins->sreg1, 0); \
+ sparc_nop (code); \
+} while (0);
#define EMIT_ALU_IMM(ins,op,setcc) do { \
if (sparc_is_imm13 ((ins)->inst_imm)) \
} \
} while (0);
-/* emit an exception if condition is fail */
-#define EMIT_COND_SYSTEM_EXCEPTION(cond,signed,exc_name) \
- do { \
- mono_add_patch_info (cfg, code - cfg->native_code, \
- MONO_PATCH_INFO_EXC, exc_name); \
- x86_branch32 (code, cond, 0, signed); \
- } while (0);
+/* max len = 5 */
+#define EMIT_STORE_MEMBASE_IMM(ins,op) do { \
+ guint32 sreg; \
+ if (ins->inst_imm == 0) \
+ sreg = sparc_g0; \
+ else { \
+ sparc_set (code, ins->inst_imm, sparc_o7); \
+ sreg = sparc_o7; \
+ } \
+ if (!sparc_is_imm13 (ins->inst_offset)) { \
+ sparc_set (code, ins->inst_offset, GP_SCRATCH_REG); \
+ sparc_ ## op (code, sreg, ins->inst_destbasereg, GP_SCRATCH_REG); \
+ } \
+ else \
+ sparc_ ## op ## _imm (code, sreg, ins->inst_destbasereg, ins->inst_offset); \
+ } while (0);
+
+#define EMIT_STORE_MEMBASE_REG(ins,op) do { \
+ if (!sparc_is_imm13 (ins->inst_offset)) { \
+ sparc_set (code, ins->inst_offset, sparc_o7); \
+ sparc_ ## op (code, ins->sreg1, ins->inst_destbasereg, sparc_o7); \
+ } \
+ else \
+ sparc_ ## op ## _imm (code, ins->sreg1, ins->inst_destbasereg, ins->inst_offset); \
+ } while (0);
+
+#define EMIT_CALL() do { \
+ if (v64) { \
+ sparc_set_template (code, sparc_o7); \
+ sparc_jmpl (code, sparc_o7, sparc_g0, sparc_o7); \
+ } \
+ else { \
+ sparc_call_simple (code, 0); \
+ } \
+ sparc_nop (code); \
+} while (0);
+
+/*
+ * A call template is 7 instructions long, so we want to avoid it if possible.
+ */
+static guint32*
+emit_call (MonoCompile *cfg, guint32 *code, guint32 patch_type, gconstpointer data)
+{
+ gpointer target;
-#define EMIT_FPCOMPARE(code) do { \
- x86_fcompp (code); \
- x86_fnstsw (code); \
- x86_alu_reg_imm (code, X86_AND, X86_EAX, 0x4500); \
-} while (0);
+ /* FIXME: This only works if the target method is already compiled */
+ if (0 && v64 && !cfg->compile_aot) {
+ MonoJumpInfo patch_info;
+
+ patch_info.type = patch_type;
+ patch_info.data.target = data;
+
+ target = mono_resolve_patch_target (cfg->method, cfg->domain, NULL, &patch_info, FALSE);
+
+ /* FIXME: Add optimizations if the target is close enough */
+ sparc_set (code, target, sparc_o7);
+ sparc_jmpl (code, sparc_o7, sparc_g0, sparc_o7);
+ sparc_nop (code);
+ }
+ else {
+ mono_add_patch_info (cfg, (guint8*)code - cfg->native_code, patch_type, data);
+ EMIT_CALL ();
+ }
+
+ return code;
+}
static void
peephole_pass (MonoCompile *cfg, MonoBasicBlock *bb)
MonoInst *ins, *last_ins = NULL;
ins = bb->code;
- /* short circuit this for now */
- return;
-
while (ins) {
switch (ins->opcode) {
}
}
break;
+#ifndef SPARCV9
case OP_LOAD_MEMBASE:
case OP_LOADI4_MEMBASE:
/*
#endif
}
break;
+#endif
case OP_LOADU1_MEMBASE:
case OP_LOADI1_MEMBASE:
if (last_ins && (last_ins->opcode == OP_STOREI1_MEMBASE_REG) &&
}
}
break;
+ case OP_STOREI4_MEMBASE_IMM:
+ /* Convert pairs of 0 stores to a dword 0 store */
+ /* Used when initializing temporaries */
+ /* We know sparc_fp is dword aligned */
+ if (last_ins && (last_ins->opcode == OP_STOREI4_MEMBASE_IMM) &&
+ (ins->inst_destbasereg == last_ins->inst_destbasereg) &&
+ (ins->inst_destbasereg == sparc_fp) &&
+ (ins->inst_offset < 0) &&
+ ((ins->inst_offset % 8) == 0) &&
+ ((ins->inst_offset == last_ins->inst_offset - 4)) &&
+ (ins->inst_imm == 0) &&
+ (last_ins->inst_imm == 0)) {
+ if (sparcv9) {
+ last_ins->opcode = OP_STOREI8_MEMBASE_IMM;
+ last_ins->inst_offset = ins->inst_offset;
+ last_ins->next = ins->next;
+ ins = ins->next;
+ continue;
+ }
+ }
+ break;
+ case CEE_BEQ:
+ case CEE_BNE_UN:
+ case CEE_BLT:
+ case CEE_BGT:
+ case CEE_BGE:
+ case CEE_BLE:
+ case OP_COND_EXC_EQ:
+ case OP_COND_EXC_GE:
+ case OP_COND_EXC_GT:
+ case OP_COND_EXC_LE:
+ case OP_COND_EXC_LT:
+ case OP_COND_EXC_NE_UN:
+ /*
+ * Convert compare with zero+branch to BRcc
+ */
+ /*
+ * This only works in 64 bit mode, since it examines all 64
+ * bits of the register.
+ * Only do this if the method is small since BPr only has a 16bit
+ * displacement.
+ */
+ if (v64 && (mono_method_get_header (cfg->method)->code_size < 10000) && last_ins &&
+ (last_ins->opcode == OP_COMPARE_IMM) &&
+ (last_ins->inst_imm == 0)) {
+ MonoInst *next = ins->next;
+ switch (ins->opcode) {
+ case CEE_BEQ:
+ ins->opcode = OP_SPARC_BRZ;
+ break;
+ case CEE_BNE_UN:
+ ins->opcode = OP_SPARC_BRNZ;
+ break;
+ case CEE_BLT:
+ ins->opcode = OP_SPARC_BRLZ;
+ break;
+ case CEE_BGT:
+ ins->opcode = OP_SPARC_BRGZ;
+ break;
+ case CEE_BGE:
+ ins->opcode = OP_SPARC_BRGEZ;
+ break;
+ case CEE_BLE:
+ ins->opcode = OP_SPARC_BRLEZ;
+ break;
+ case OP_COND_EXC_EQ:
+ ins->opcode = OP_SPARC_COND_EXC_EQZ;
+ break;
+ case OP_COND_EXC_GE:
+ ins->opcode = OP_SPARC_COND_EXC_GEZ;
+ break;
+ case OP_COND_EXC_GT:
+ ins->opcode = OP_SPARC_COND_EXC_GTZ;
+ break;
+ case OP_COND_EXC_LE:
+ ins->opcode = OP_SPARC_COND_EXC_LEZ;
+ break;
+ case OP_COND_EXC_LT:
+ ins->opcode = OP_SPARC_COND_EXC_LTZ;
+ break;
+ case OP_COND_EXC_NE_UN:
+ ins->opcode = OP_SPARC_COND_EXC_NEZ;
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+ ins->sreg1 = last_ins->sreg1;
+ *last_ins = *ins;
+ last_ins->next = next;
+ ins = next;
+ continue;
+ }
+ break;
case CEE_CONV_I4:
case CEE_CONV_U4:
case OP_MOVE:
bb->last_ins = last_ins;
}
-#undef DEBUG
-#define DEBUG(a) if (cfg->verbose_level > 1) a
-//#define DEBUG(a)
-#define reg_is_freeable(r) (TRUE)
-#define freg_is_freeable(r) (TRUE)
-
-typedef struct {
- int born_in;
- int killed_in;
- int last_use;
- int prev_use;
-} RegTrack;
-
static const char*const * ins_spec = sparc_desc;
-static void
-print_ins (int i, MonoInst *ins)
-{
- const char *spec = ins_spec [ins->opcode];
- g_print ("\t%-2d %s", i, mono_inst_name (ins->opcode));
- if (spec [MONO_INST_DEST]) {
- if (ins->dreg >= MONO_MAX_IREGS)
- g_print (" R%d <-", ins->dreg);
- else
- g_print (" %s <-", mono_arch_regname (ins->dreg));
- }
- if (spec [MONO_INST_SRC1]) {
- if (ins->sreg1 >= MONO_MAX_IREGS)
- g_print (" R%d", ins->sreg1);
- else
- g_print (" %s", mono_arch_regname (ins->sreg1));
- }
- if (spec [MONO_INST_SRC2]) {
- if (ins->sreg2 >= MONO_MAX_IREGS)
- g_print (" R%d", ins->sreg2);
- else
- g_print (" %s", mono_arch_regname (ins->sreg2));
- }
- if (spec [MONO_INST_CLOB])
- g_print (" clobbers: %c", spec [MONO_INST_CLOB]);
- g_print ("\n");
-}
-
-static void
-print_regtrack (RegTrack *t, int num)
-{
- int i;
- char buf [32];
- const char *r;
-
- for (i = 0; i < num; ++i) {
- if (!t [i].born_in)
- continue;
- if (i >= MONO_MAX_IREGS) {
- g_snprintf (buf, sizeof(buf), "R%d", i);
- r = buf;
- } else
- r = mono_arch_regname (i);
- g_print ("liveness: %s [%d - %d]\n", r, t [i].born_in, t[i].last_use);
- }
-}
-
-typedef struct InstList InstList;
-
-struct InstList {
- InstList *prev;
- InstList *next;
- MonoInst *data;
-};
-
-static inline InstList*
-inst_list_prepend (MonoMemPool *pool, InstList *list, MonoInst *data)
+static inline const char*
+get_ins_spec (int opcode)
{
- InstList *item = mono_mempool_alloc (pool, sizeof (InstList));
- item->data = data;
- item->prev = NULL;
- item->next = list;
- if (list)
- list->prev = item;
- return item;
+ if (ins_spec [opcode])
+ return ins_spec [opcode];
+ else
+ return ins_spec [CEE_ADD];
}
-#define STACK_OFFSETS_POSITIVE
-
-/*
- * returns the offset used by spillvar. It allocates a new
- * spill variable if necessary. Likely incorrect for sparc.
- */
static int
-mono_spillvar_offset (MonoCompile *cfg, int spillvar)
+mono_spillvar_offset_float (MonoCompile *cfg, int spillvar)
{
MonoSpillInfo **si, *info;
int i = 0;
- si = &cfg->spill_info;
+ si = &cfg->spill_info_float;
while (i <= spillvar) {
if (!*si) {
*si = info = mono_mempool_alloc (cfg->mempool, sizeof (MonoSpillInfo));
info->next = NULL;
-#ifdef STACK_OFFSETS_POSITIVE
- cfg->stack_offset += sizeof (gpointer);
-#else
- cfg->stack_offset -= sizeof (gpointer);
-#endif
- info->offset = cfg->stack_offset;
+ cfg->stack_offset += sizeof (double);
+ cfg->stack_offset = ALIGN_TO (cfg->stack_offset, 8);
+ info->offset = - cfg->stack_offset;
}
if (i == spillvar)
- return (*si)->offset;
+ return MONO_SPARC_STACK_BIAS + (*si)->offset;
i++;
si = &(*si)->next;
return 0;
}
-static int
-mono_spillvar_offset_float (MonoCompile *cfg, int spillvar)
-{
- MonoSpillInfo **si, *info;
- int i = 0;
-
- si = &cfg->spill_info_float;
-
- while (i <= spillvar) {
-
- if (!*si) {
- *si = info = mono_mempool_alloc (cfg->mempool, sizeof (MonoSpillInfo));
- info->next = NULL;
- cfg->stack_offset += 7;
- cfg->stack_offset &= ~7;
- info->offset = cfg->stack_offset;
- cfg->stack_offset += sizeof (double);
- }
-
- if (i == spillvar)
- return (*si)->offset;
-
- i++;
- si = &(*si)->next;
- }
-
- g_assert_not_reached ();
- return 0;
-}
-
-/*
- * Force the spilling of the variable in the symbolic register 'reg'.
- */
-static int
-get_register_force_spilling (MonoCompile *cfg, InstList *item, MonoInst *ins, int reg)
-{
- MonoInst *load;
- int i, sel, spill;
-
- sel = cfg->rs->iassign [reg];
- /*i = cfg->rs->isymbolic [sel];
- g_assert (i == reg);*/
- i = reg;
- spill = ++cfg->spill_count;
- cfg->rs->iassign [i] = -spill - 1;
- mono_regstate_free_int (cfg->rs, sel);
- /* we need to create a spill var and insert a load to sel after the current instruction */
- MONO_INST_NEW (cfg, load, OP_LOAD_MEMBASE);
- load->dreg = sel;
- load->inst_basereg = cfg->frame_reg;
- load->inst_offset = mono_spillvar_offset (cfg, spill);
- if (item->prev) {
- while (ins->next != item->prev->data)
- ins = ins->next;
- }
- load->next = ins->next;
- ins->next = load;
- DEBUG (g_print ("SPILLED LOAD (%d at 0x%08x(%%sp)) R%d (freed %s)\n", spill, load->inst_offset, i, mono_arch_regname (sel)));
- i = mono_regstate_alloc_int (cfg->rs, 1 << sel);
- g_assert (i == sel);
-
- return sel;
-}
-
-static int
-get_register_spilling (MonoCompile *cfg, InstList *item, MonoInst *ins, guint32 regmask, int reg)
-{
- MonoInst *load;
- int i, sel, spill;
-
- DEBUG (g_print ("start regmask to assign R%d: 0x%08x (R%d <- R%d R%d)\n", reg, regmask, ins->dreg, ins->sreg1, ins->sreg2));
- /* exclude the registers in the current instruction */
- if (reg != ins->sreg1 && (reg_is_freeable (ins->sreg1) || (ins->sreg1 >= MONO_MAX_IREGS && cfg->rs->iassign [ins->sreg1] >= 0))) {
- if (ins->sreg1 >= MONO_MAX_IREGS)
- regmask &= ~ (1 << cfg->rs->iassign [ins->sreg1]);
- else
- regmask &= ~ (1 << ins->sreg1);
- DEBUG (g_print ("excluding sreg1 %s\n", mono_arch_regname (ins->sreg1)));
- }
- if (reg != ins->sreg2 && (reg_is_freeable (ins->sreg2) || (ins->sreg2 >= MONO_MAX_IREGS && cfg->rs->iassign [ins->sreg2] >= 0))) {
- if (ins->sreg2 >= MONO_MAX_IREGS)
- regmask &= ~ (1 << cfg->rs->iassign [ins->sreg2]);
- else
- regmask &= ~ (1 << ins->sreg2);
- DEBUG (g_print ("excluding sreg2 %s %d\n", mono_arch_regname (ins->sreg2), ins->sreg2));
- }
- if (reg != ins->dreg && reg_is_freeable (ins->dreg)) {
- regmask &= ~ (1 << ins->dreg);
- DEBUG (g_print ("excluding dreg %s\n", mono_arch_regname (ins->dreg)));
- }
-
- DEBUG (g_print ("available regmask: 0x%08x\n", regmask));
- g_assert (regmask); /* need at least a register we can free */
- sel = -1;
- /* we should track prev_use and spill the register that's farther */
- for (i = 0; i < MONO_MAX_IREGS; ++i) {
- if (regmask & (1 << i)) {
- sel = i;
- DEBUG (g_print ("selected register %s has assignment %d\n", mono_arch_regname (sel), cfg->rs->iassign [sel]));
- break;
- }
- }
- i = cfg->rs->isymbolic [sel];
- spill = ++cfg->spill_count;
- cfg->rs->iassign [i] = -spill - 1;
- mono_regstate_free_int (cfg->rs, sel);
- /* we need to create a spill var and insert a load to sel after the current instruction */
- MONO_INST_NEW (cfg, load, OP_LOAD_MEMBASE);
- load->dreg = sel;
- load->inst_basereg = cfg->frame_reg;
- load->inst_offset = mono_spillvar_offset (cfg, spill);
- if (item->prev) {
- while (ins->next != item->prev->data)
- ins = ins->next;
- }
- load->next = ins->next;
- ins->next = load;
- DEBUG (g_print ("SPILLED LOAD (%d at 0x%08x(%%sp)) R%d (freed %s)\n", spill, load->inst_offset, i, mono_arch_regname (sel)));
- i = mono_regstate_alloc_int (cfg->rs, 1 << sel);
- g_assert (i == sel);
-
- return sel;
-}
-
-static int
-get_float_register_spilling (MonoCompile *cfg, InstList *item, MonoInst *ins, guint32 regmask, int reg)
-{
- MonoInst *load;
- int i, sel, spill;
-
- DEBUG (g_print ("start regmask to assign R%d: 0x%08x (R%d <- R%d R%d)\n", reg, regmask, ins->dreg, ins->sreg1, ins->sreg2));
- /* exclude the registers in the current instruction */
- if (reg != ins->sreg1 && (freg_is_freeable (ins->sreg1) || (ins->sreg1 >= MONO_MAX_FREGS && cfg->rs->fassign [ins->sreg1] >= 0))) {
- if (ins->sreg1 >= MONO_MAX_FREGS)
- regmask &= ~ (1 << cfg->rs->fassign [ins->sreg1]);
- else
- regmask &= ~ (1 << ins->sreg1);
- DEBUG (g_print ("excluding sreg1 %s\n", mono_arch_regname (ins->sreg1)));
- }
- if (reg != ins->sreg2 && (freg_is_freeable (ins->sreg2) || (ins->sreg2 >= MONO_MAX_FREGS && cfg->rs->fassign [ins->sreg2] >= 0))) {
- if (ins->sreg2 >= MONO_MAX_FREGS)
- regmask &= ~ (1 << cfg->rs->fassign [ins->sreg2]);
- else
- regmask &= ~ (1 << ins->sreg2);
- DEBUG (g_print ("excluding sreg2 %s %d\n", mono_arch_regname (ins->sreg2), ins->sreg2));
- }
- if (reg != ins->dreg && freg_is_freeable (ins->dreg)) {
- regmask &= ~ (1 << ins->dreg);
- DEBUG (g_print ("excluding dreg %s\n", mono_arch_regname (ins->dreg)));
- }
-
- DEBUG (g_print ("available regmask: 0x%08x\n", regmask));
- g_assert (regmask); /* need at least a register we can free */
- sel = -1;
- /* we should track prev_use and spill the register that's farther */
- for (i = 0; i < MONO_MAX_FREGS; ++i) {
- if (regmask & (1 << i)) {
- sel = i;
- DEBUG (g_print ("selected register %s has assignment %d\n", mono_arch_regname (sel), cfg->rs->fassign [sel]));
- break;
- }
- }
- i = cfg->rs->fsymbolic [sel];
- spill = ++cfg->spill_count;
- cfg->rs->fassign [i] = -spill - 1;
- mono_regstate_free_float(cfg->rs, sel);
- /* we need to create a spill var and insert a load to sel after the current instruction */
- MONO_INST_NEW (cfg, load, OP_LOADR8_MEMBASE);
- load->dreg = sel;
- load->inst_basereg = cfg->frame_reg;
- load->inst_offset = mono_spillvar_offset_float (cfg, spill);
- if (item->prev) {
- while (ins->next != item->prev->data)
- ins = ins->next;
- }
- load->next = ins->next;
- ins->next = load;
- DEBUG (g_print ("SPILLED LOAD (%d at 0x%08x(%%sp)) R%d (freed %s)\n", spill, load->inst_offset, i, mono_arch_regname (sel)));
- i = mono_regstate_alloc_float (cfg->rs, 1 << sel);
- g_assert (i == sel);
-
- return sel;
-}
-
-static MonoInst*
-create_copy_ins (MonoCompile *cfg, int dest, int src, MonoInst *ins)
-{
- MonoInst *copy;
- MONO_INST_NEW (cfg, copy, OP_MOVE);
- copy->dreg = dest;
- copy->sreg1 = src;
- if (ins) {
- copy->next = ins->next;
- ins->next = copy;
- }
- DEBUG (g_print ("\tforced copy from %s to %s\n", mono_arch_regname (src), mono_arch_regname (dest)));
- return copy;
-}
-
-static MonoInst*
-create_copy_ins_float (MonoCompile *cfg, int dest, int src, MonoInst *ins)
-{
- MonoInst *copy;
- MONO_INST_NEW (cfg, copy, OP_FMOVE);
- copy->dreg = dest;
- copy->sreg1 = src;
- if (ins) {
- copy->next = ins->next;
- ins->next = copy;
- }
- DEBUG (g_print ("\tforced copy from %s to %s\n", mono_arch_regname (src), mono_arch_regname (dest)));
- return copy;
-}
-
-static MonoInst*
-create_spilled_store (MonoCompile *cfg, int spill, int reg, int prev_reg, MonoInst *ins)
-{
- MonoInst *store;
- MONO_INST_NEW (cfg, store, OP_STORE_MEMBASE_REG);
- store->sreg1 = reg;
- store->inst_destbasereg = cfg->frame_reg;
- store->inst_offset = mono_spillvar_offset (cfg, spill);
- if (ins) {
- store->next = ins->next;
- ins->next = store;
- }
- DEBUG (g_print ("SPILLED STORE (%d at 0x%08x(%%sp)) R%d (from %s)\n", spill, store->inst_offset, prev_reg, mono_arch_regname (reg)));
- return store;
-}
-
-static MonoInst*
-create_spilled_store_float (MonoCompile *cfg, int spill, int reg, int prev_reg, MonoInst *ins)
-{
- MonoInst *store;
- MONO_INST_NEW (cfg, store, OP_STORER8_MEMBASE_REG);
- store->sreg1 = reg;
- store->inst_destbasereg = cfg->frame_reg;
- store->inst_offset = mono_spillvar_offset_float (cfg, spill);
- if (ins) {
- store->next = ins->next;
- ins->next = store;
- }
- DEBUG (g_print ("SPILLED STORE (%d at 0x%08x(%%sp)) R%d (from %s)\n", spill, store->inst_offset, prev_reg, mono_arch_regname (reg)));
- return store;
-}
-
-static void
-insert_before_ins (MonoInst *ins, InstList *item, MonoInst* to_insert)
-{
- MonoInst *prev;
- g_assert (item->next);
- prev = item->next->data;
-
- while (prev->next != ins)
- prev = prev->next;
- to_insert->next = ins;
- prev->next = to_insert;
- /*
- * needed otherwise in the next instruction we can add an ins to the
- * end and that would get past this instruction.
- */
- item->data = to_insert;
-}
-
-static int
-alloc_int_reg (MonoCompile *cfg, InstList *curinst, MonoInst *ins, int sym_reg, guint32 allow_mask)
-{
- int val = cfg->rs->iassign [sym_reg];
- if (val < 0) {
- int spill = 0;
- if (val < -1) {
- /* the register gets spilled after this inst */
- spill = -val -1;
- }
- val = mono_regstate_alloc_int (cfg->rs, allow_mask);
- if (val < 0)
- val = get_register_spilling (cfg, curinst, ins, allow_mask, sym_reg);
- cfg->rs->iassign [sym_reg] = val;
- /* add option to store before the instruction for src registers */
- if (spill)
- create_spilled_store (cfg, spill, val, sym_reg, ins);
- }
- cfg->rs->isymbolic [val] = sym_reg;
- return val;
-}
-
-/* Parameters used by the register allocator */
-
-/* Use %l4..%l7 as local registers */
-#define ARCH_CALLER_REGS (0xf0<<16)
-/* Use %f2..%f30 as the double precision floating point local registers */
-#define ARCH_CALLER_FREGS (0x55555554)
-
/* FIXME: Strange loads from the stack in basic-float.cs:test_2_rem */
-/*
- * Local register allocation.
- * We first scan the list of instructions and we save the liveness info of
- * each register (when the register is first used, when it's value is set etc.).
- * We also reverse the list of instructions (in the InstList list) because assigning
- * registers backwards allows for more tricks to be used.
- */
void
mono_arch_local_regalloc (MonoCompile *cfg, MonoBasicBlock *bb)
{
- MonoInst *ins;
- MonoRegState *rs = cfg->rs;
- int i, val;
- RegTrack *reginfo, *reginfof;
- RegTrack *reginfo1, *reginfo2, *reginfod;
- InstList *tmp, *reversed = NULL;
- const char *spec;
- guint32 src1_mask, src2_mask, dest_mask;
- guint32 cur_iregs, cur_fregs;
-
- /* FIXME: clobbering */
-
- if (!bb->code)
- return;
- rs->next_vireg = bb->max_ireg;
- rs->next_vfreg = bb->max_freg;
- mono_regstate_assign (rs);
- reginfo = mono_mempool_alloc0 (cfg->mempool, sizeof (RegTrack) * rs->next_vireg);
- reginfof = mono_mempool_alloc0 (cfg->mempool, sizeof (RegTrack) * rs->next_vfreg);
- rs->ifree_mask = ARCH_CALLER_REGS;
- rs->ffree_mask = ARCH_CALLER_FREGS;
-
- ins = bb->code;
- i = 1;
- DEBUG (g_print ("LOCAL regalloc: basic block: %d\n", bb->block_num));
- /* forward pass on the instructions to collect register liveness info */
- while (ins) {
- spec = ins_spec [ins->opcode];
- g_assert (spec);
- DEBUG (print_ins (i, ins));
-
- if (spec [MONO_INST_SRC1]) {
- if (spec [MONO_INST_SRC1] == 'f')
- reginfo1 = reginfof;
- else
- reginfo1 = reginfo;
- reginfo1 [ins->sreg1].prev_use = reginfo1 [ins->sreg1].last_use;
- reginfo1 [ins->sreg1].last_use = i;
- } else {
- ins->sreg1 = -1;
- }
- if (spec [MONO_INST_SRC2]) {
- if (spec [MONO_INST_SRC2] == 'f')
- reginfo2 = reginfof;
- else
- reginfo2 = reginfo;
- reginfo2 [ins->sreg2].prev_use = reginfo2 [ins->sreg2].last_use;
- reginfo2 [ins->sreg2].last_use = i;
- } else {
- ins->sreg2 = -1;
- }
- if (spec [MONO_INST_DEST]) {
- if (spec [MONO_INST_DEST] == 'f')
- reginfod = reginfof;
- else
- reginfod = reginfo;
- if (spec [MONO_INST_DEST] != 'b') /* it's not just a base register */
- reginfod [ins->dreg].killed_in = i;
- reginfod [ins->dreg].prev_use = reginfod [ins->dreg].last_use;
- reginfod [ins->dreg].last_use = i;
- if (reginfod [ins->dreg].born_in == 0 || reginfod [ins->dreg].born_in > i)
- reginfod [ins->dreg].born_in = i;
- if (spec [MONO_INST_DEST] == 'l') {
- /* result in eax:edx, the virtual register is allocated sequentially */
- reginfod [ins->dreg + 1].prev_use = reginfod [ins->dreg + 1].last_use;
- reginfod [ins->dreg + 1].last_use = i;
- if (reginfod [ins->dreg + 1].born_in == 0 || reginfod [ins->dreg + 1].born_in > i)
- reginfod [ins->dreg + 1].born_in = i;
- }
- } else {
- ins->dreg = -1;
- }
- reversed = inst_list_prepend (cfg->mempool, reversed, ins);
- ++i;
- ins = ins->next;
- }
-
- cur_iregs = ARCH_CALLER_REGS;
- cur_fregs = ARCH_CALLER_FREGS;
-
- DEBUG (print_regtrack (reginfo, rs->next_vireg));
- DEBUG (print_regtrack (reginfof, rs->next_vfreg));
- tmp = reversed;
- while (tmp) {
- int prev_dreg, prev_sreg1, prev_sreg2;
- --i;
- ins = tmp->data;
- spec = ins_spec [ins->opcode];
- DEBUG (g_print ("processing:"));
- DEBUG (print_ins (i, ins));
-
- /* make the register available for allocation: FIXME add fp reg */
- if (ins->opcode == OP_SETREG || ins->opcode == OP_SETREGIMM) {
- cur_iregs |= 1 << ins->dreg;
- DEBUG (g_print ("adding %d to cur_iregs\n", ins->dreg));
- } else if (ins->opcode == OP_SETFREG) {
- cur_fregs |= 1 << ins->dreg;
- DEBUG (g_print ("adding %d to cur_fregs\n", ins->dreg));
- } else if (spec [MONO_INST_CLOB] == 'c') {
- MonoCallInst *cinst = (MonoCallInst*)ins;
- DEBUG (g_print ("excluding regs 0x%x from cur_iregs (0x%x)\n", cinst->used_iregs, cur_iregs));
- cur_iregs &= ~cinst->used_iregs;
- cur_fregs &= ~cinst->used_fregs;
- DEBUG (g_print ("available cur_iregs: 0x%x\n", cur_iregs));
- /* registers used by the calling convention are excluded from
- * allocation: they will be selectively enabled when they are
- * assigned by the special SETREG opcodes.
- */
- }
- dest_mask = src1_mask = src2_mask = cur_iregs;
-
- /*
- * DEST
- */
- /* update for use with FP regs... */
- if (spec [MONO_INST_DEST] == 'f') {
- if (ins->dreg >= MONO_MAX_FREGS) {
- val = rs->fassign [ins->dreg];
- prev_dreg = ins->dreg;
- if (val < 0) {
- int spill = 0;
- if (val < -1) {
- /* the register gets spilled after this inst */
- spill = -val -1;
- }
- dest_mask = cur_fregs;
- val = mono_regstate_alloc_float (rs, dest_mask);
- if (val < 0)
- val = get_float_register_spilling (cfg, tmp, ins, dest_mask, ins->dreg);
- rs->fassign [ins->dreg] = val;
- if (spill)
- create_spilled_store_float (cfg, spill, val, prev_dreg, ins);
- }
- DEBUG (g_print ("\tassigned dreg %s to dest R%d\n", mono_arch_regname (val), ins->dreg));
- rs->fsymbolic [val] = prev_dreg;
- ins->dreg = val;
- } else {
- prev_dreg = -1;
- }
- if (freg_is_freeable (ins->dreg) && prev_dreg >= 0 && (reginfo [prev_dreg].born_in >= i || !(cur_fregs & (1 << ins->dreg)))) {
- DEBUG (g_print ("\tfreeable %s (R%d) (born in %d)\n", mono_arch_regname (ins->dreg), prev_dreg, reginfo [prev_dreg].born_in));
- mono_regstate_free_float (rs, ins->dreg);
- }
- } else if (ins->dreg >= MONO_MAX_IREGS) {
- val = rs->iassign [ins->dreg];
- prev_dreg = ins->dreg;
- if (val < 0) {
- int spill = 0;
- if (val < -1) {
- /* the register gets spilled after this inst */
- spill = -val -1;
- }
- val = mono_regstate_alloc_int (rs, dest_mask);
- if (val < 0)
- val = get_register_spilling (cfg, tmp, ins, dest_mask, ins->dreg);
- rs->iassign [ins->dreg] = val;
- if (spill)
- create_spilled_store (cfg, spill, val, prev_dreg, ins);
- }
- DEBUG (g_print ("\tassigned dreg %s to dest R%d\n", mono_arch_regname (val), ins->dreg));
- rs->isymbolic [val] = prev_dreg;
- ins->dreg = val;
- if (spec [MONO_INST_DEST] == 'l') {
- int hreg = prev_dreg + 1;
- val = rs->iassign [hreg];
- if (val < 0) {
- int spill = 0;
- if (val < -1) {
- /* the register gets spilled after this inst */
- spill = -val -1;
- }
- /* The second register must be a pair of the first */
- dest_mask = 1 << (rs->iassign [prev_dreg] + 1);
- val = mono_regstate_alloc_int (rs, dest_mask);
- if (val < 0)
- val = get_register_spilling (cfg, tmp, ins, dest_mask, hreg);
- rs->iassign [hreg] = val;
- if (spill)
- create_spilled_store (cfg, spill, val, hreg, ins);
- }
- else {
- /* The second register must be a pair of the first */
- if (val != rs->iassign [prev_dreg] + 1) {
- dest_mask = 1 << (rs->iassign [prev_dreg] + 1);
-
- val = mono_regstate_alloc_int (rs, dest_mask);
- if (val < 0)
- val = get_register_spilling (cfg, tmp, ins, dest_mask, hreg);
-
- create_copy_ins (cfg, rs->iassign [hreg], val, ins);
-
- rs->iassign [hreg] = val;
- }
- }
-
- DEBUG (g_print ("\tassigned hreg %s to dest R%d\n", mono_arch_regname (val), hreg));
- rs->isymbolic [val] = hreg;
-
- if (reg_is_freeable (val) && hreg >= 0 && (reginfo [hreg].born_in >= i && !(cur_iregs & (1 << val)))) {
- DEBUG (g_print ("\tfreeable %s (R%d)\n", mono_arch_regname (val), hreg));
- mono_regstate_free_int (rs, val);
- }
- }
- } else {
- prev_dreg = -1;
- }
- if (spec [MONO_INST_DEST] != 'f' && reg_is_freeable (ins->dreg) && prev_dreg >= 0 && (reginfo [prev_dreg].born_in >= i)) {
- DEBUG (g_print ("\tfreeable %s (R%d) (born in %d)\n", mono_arch_regname (ins->dreg), prev_dreg, reginfo [prev_dreg].born_in));
- mono_regstate_free_int (rs, ins->dreg);
- }
-
- /**
- * SRC1
- */
- if (spec [MONO_INST_SRC1] == 'f') {
- if (ins->sreg1 >= MONO_MAX_FREGS) {
- val = rs->fassign [ins->sreg1];
- prev_sreg1 = ins->sreg1;
- if (val < 0) {
- int spill = 0;
- if (val < -1) {
- /* the register gets spilled after this inst */
- spill = -val -1;
- }
- //g_assert (val == -1); /* source cannot be spilled */
- src1_mask = cur_fregs;
- val = mono_regstate_alloc_float (rs, src1_mask);
- if (val < 0)
- val = get_float_register_spilling (cfg, tmp, ins, src1_mask, ins->sreg1);
- rs->fassign [ins->sreg1] = val;
- DEBUG (g_print ("\tassigned sreg1 %s to R%d\n", mono_arch_regname (val), ins->sreg1));
- if (spill) {
- MonoInst *store = create_spilled_store_float (cfg, spill, val, prev_sreg1, NULL);
- insert_before_ins (ins, tmp, store);
- }
- }
- rs->fsymbolic [val] = prev_sreg1;
- ins->sreg1 = val;
- } else {
- prev_sreg1 = -1;
- }
- } else if (ins->sreg1 >= MONO_MAX_IREGS) {
- val = rs->iassign [ins->sreg1];
- prev_sreg1 = ins->sreg1;
- if (val < 0) {
- int spill = 0;
- if (val < -1) {
- /* the register gets spilled after this inst */
- spill = -val -1;
- }
- if (0 && ins->opcode == OP_MOVE) {
- /*
- * small optimization: the dest register is already allocated
- * but the src one is not: we can simply assign the same register
- * here and peephole will get rid of the instruction later.
- * This optimization may interfere with the clobbering handling:
- * it removes a mov operation that will be added again to handle clobbering.
- * There are also some other issues that should with make testjit.
- */
- mono_regstate_alloc_int (rs, 1 << ins->dreg);
- val = rs->iassign [ins->sreg1] = ins->dreg;
- //g_assert (val >= 0);
- DEBUG (g_print ("\tfast assigned sreg1 %s to R%d\n", mono_arch_regname (val), ins->sreg1));
- } else {
- //g_assert (val == -1); /* source cannot be spilled */
- val = mono_regstate_alloc_int (rs, src1_mask);
- if (val < 0)
- val = get_register_spilling (cfg, tmp, ins, src1_mask, ins->sreg1);
- rs->iassign [ins->sreg1] = val;
- DEBUG (g_print ("\tassigned sreg1 %s to R%d\n", mono_arch_regname (val), ins->sreg1));
- }
- if (spill) {
- MonoInst *store = create_spilled_store (cfg, spill, val, prev_sreg1, NULL);
- insert_before_ins (ins, tmp, store);
- }
- }
- rs->isymbolic [val] = prev_sreg1;
- ins->sreg1 = val;
- } else {
- prev_sreg1 = -1;
- }
-
- /*
- * SRC2
- */
- if (spec [MONO_INST_SRC2] == 'f') {
- if (ins->sreg2 >= MONO_MAX_FREGS) {
- val = rs->fassign [ins->sreg2];
- prev_sreg2 = ins->sreg2;
- if (val < 0) {
- int spill = 0;
- if (val < -1) {
- /* the register gets spilled after this inst */
- spill = -val -1;
- }
- src2_mask = cur_fregs;
- val = mono_regstate_alloc_float (rs, src2_mask);
- if (val < 0)
- val = get_float_register_spilling (cfg, tmp, ins, src2_mask, ins->sreg2);
- rs->fassign [ins->sreg2] = val;
- DEBUG (g_print ("\tassigned sreg2 %s to R%d\n", mono_arch_regname (val), ins->sreg2));
- if (spill)
- create_spilled_store_float (cfg, spill, val, prev_sreg2, ins);
- }
- rs->fsymbolic [val] = prev_sreg2;
- ins->sreg2 = val;
- } else {
- prev_sreg2 = -1;
- }
- } else if (ins->sreg2 >= MONO_MAX_IREGS) {
- val = rs->iassign [ins->sreg2];
- prev_sreg2 = ins->sreg2;
- if (val < 0) {
- int spill = 0;
- if (val < -1) {
- /* the register gets spilled after this inst */
- spill = -val -1;
- }
- val = mono_regstate_alloc_int (rs, src2_mask);
- if (val < 0)
- val = get_register_spilling (cfg, tmp, ins, src2_mask, ins->sreg2);
- rs->iassign [ins->sreg2] = val;
- DEBUG (g_print ("\tassigned sreg2 %s to R%d\n", mono_arch_regname (val), ins->sreg2));
- if (spill)
- create_spilled_store (cfg, spill, val, prev_sreg2, ins);
- }
- rs->isymbolic [val] = prev_sreg2;
- ins->sreg2 = val;
- } else {
- prev_sreg2 = -1;
- }
-
- if (spec [MONO_INST_CLOB] == 'c') {
- int j, s;
- guint32 clob_mask = ARCH_CALLER_REGS;
- for (j = 0; j < MONO_MAX_IREGS; ++j) {
- s = 1 << j;
- if ((clob_mask & s) && !(rs->ifree_mask & s) && j != ins->sreg1) {
- //g_warning ("register %s busy at call site\n", mono_arch_regname (j));
- }
- }
- }
- /*if (reg_is_freeable (ins->sreg1) && prev_sreg1 >= 0 && reginfo [prev_sreg1].born_in >= i) {
- DEBUG (g_print ("freeable %s\n", mono_arch_regname (ins->sreg1)));
- mono_regstate_free_int (rs, ins->sreg1);
- }
- if (reg_is_freeable (ins->sreg2) && prev_sreg2 >= 0 && reginfo [prev_sreg2].born_in >= i) {
- DEBUG (g_print ("freeable %s\n", mono_arch_regname (ins->sreg2)));
- mono_regstate_free_int (rs, ins->sreg2);
- }*/
-
- //DEBUG (print_ins (i, ins));
-
- tmp = tmp->next;
- }
-}
-
-static guchar*
-emit_float_to_int (MonoCompile *cfg, guchar *code, int dreg, int size, gboolean is_signed)
-{
- return code;
-}
-
-static unsigned char*
-mono_emit_stack_alloc (guchar *code, MonoInst* tree)
-{
- NOT_IMPLEMENTED;
- return code;
+ mono_local_regalloc (cfg, bb);
}
static void
-sparc_patch (guint8 *code, guint8 *target)
+sparc_patch (guint32 *code, const gpointer target)
{
- guint32 ins = *(guint32*)code;
+ guint32 *c = code;
+ guint32 ins = *code;
guint32 op = ins >> 30;
guint32 op2 = (ins >> 22) & 0x7;
guint32 rd = (ins >> 25) & 0x1f;
- gint32 disp = (target - code) >> 2;
+ guint8* target8 = (guint8*)target;
+ gint64 disp = (target8 - (guint8*)code) >> 2;
+ int reg;
// g_print ("patching 0x%08x (0x%08x) to point to 0x%08x\n", code, ins, target);
if (!sparc_is_imm22 (disp))
NOT_IMPLEMENTED;
/* Bicc */
- *(guint32*)code = ((ins >> 22) << 22) | disp;
+ *code = ((ins >> 22) << 22) | (disp & 0x3fffff);
+ }
+ else if ((op == 0) && (op2 == 1)) {
+ if (!sparc_is_imm19 (disp))
+ NOT_IMPLEMENTED;
+ /* BPcc */
+ *code = ((ins >> 19) << 19) | (disp & 0x7ffff);
+ }
+ else if ((op == 0) && (op2 == 3)) {
+ if (!sparc_is_imm16 (disp))
+ NOT_IMPLEMENTED;
+ /* BPr */
+ *code &= ~(0x180000 | 0x3fff);
+ *code |= ((disp << 21) & (0x180000)) | (disp & 0x3fff);
}
else if ((op == 0) && (op2 == 6)) {
if (!sparc_is_imm22 (disp))
NOT_IMPLEMENTED;
/* FBicc */
- *(guint32*)code = ((ins >> 22) << 22) | disp;
+ *code = ((ins >> 22) << 22) | (disp & 0x3fffff);
}
else if ((op == 0) && (op2 == 4)) {
- guint32 ins2 = *(guint32*)(code + 4);
+ guint32 ins2 = code [1];
if (((ins2 >> 30) == 2) && (((ins2 >> 19) & 0x3f) == 2)) {
- /* sethi followed by or */
- guint32 *p = (guint32*)code;
- sparc_set (p, target, rd);
- while (p < (code + 4))
+ /* sethi followed by or */
+ guint32 *p = code;
+ sparc_set (p, target8, rd);
+ while (p <= (code + 1))
+ sparc_nop (p);
+ }
+ else if (ins2 == 0x01000000) {
+ /* sethi followed by nop */
+ guint32 *p = code;
+ sparc_set (p, target8, rd);
+ while (p <= (code + 1))
sparc_nop (p);
}
else if ((sparc_inst_op (ins2) == 3) && (sparc_inst_imm (ins2))) {
/* sethi followed by load/store */
- guint32 t = (guint32)target;
- *(guint32*)code = ins | (t >> 10);
- *(guint32*)(code + 4) = ins2 | (t & 0x3ff);
+#ifndef SPARCV9
+ guint32 t = (guint32)target8;
+ *code &= ~(0x3fffff);
+ *code |= (t >> 10);
+ *(code + 1) &= ~(0x3ff);
+ *(code + 1) |= (t & 0x3ff);
+#endif
+ }
+ else if (v64 &&
+ (sparc_inst_rd (ins) == sparc_g1) &&
+ (sparc_inst_op (c [1]) == 0) && (sparc_inst_op2 (c [1]) == 4) &&
+ (sparc_inst_op (c [2]) == 2) && (sparc_inst_op3 (c [2]) == 2) &&
+ (sparc_inst_op (c [3]) == 2) && (sparc_inst_op3 (c [3]) == 2))
+ {
+ /* sparc_set */
+ guint32 *p = c;
+ reg = sparc_inst_rd (c [1]);
+ sparc_set (p, target8, reg);
+ while (p < (c + 6))
+ sparc_nop (p);
}
else if ((sparc_inst_op (ins2) == 2) && (sparc_inst_op3 (ins2) == 0x38) &&
(sparc_inst_imm (ins2))) {
/* sethi followed by jmpl */
- guint32 t = (guint32)target;
- *(guint32*)code = ins | (t >> 10);
- *(guint32*)(code + 4) = ins2 | (t & 0x3ff);
+#ifndef SPARCV9
+ guint32 t = (guint32)target8;
+ *code &= ~(0x3fffff);
+ *code |= (t >> 10);
+ *(code + 1) &= ~(0x3ff);
+ *(code + 1) |= (t & 0x3ff);
+#endif
}
else
NOT_IMPLEMENTED;
}
else if (op == 01) {
- sparc_call_simple (code, target - code);
+ gint64 disp = (target8 - (guint8*)code) >> 2;
+
+ if (!sparc_is_imm30 (disp))
+ NOT_IMPLEMENTED;
+ sparc_call_simple (code, target8 - (guint8*)code);
+ }
+ else if ((op == 2) && (sparc_inst_op3 (ins) == 0x2) && sparc_inst_imm (ins)) {
+ /* mov imm, reg */
+ g_assert (sparc_is_imm13 (target8));
+ *code &= ~(0x1fff);
+ *code |= (guint32)target8;
+ }
+ else if ((sparc_inst_op (ins) == 2) && (sparc_inst_op3 (ins) == 0x7)) {
+ /* sparc_set case 5. */
+ guint32 *p = c;
+
+ g_assert (v64);
+ reg = sparc_inst_rd (c [3]);
+ sparc_set (p, target, reg);
+ while (p < (c + 6))
+ sparc_nop (p);
}
else
NOT_IMPLEMENTED;
// g_print ("patched with 0x%08x\n", ins);
}
+/*
+ * mono_sparc_emit_save_lmf:
+ *
+ * Emit the code neccesary to push a new entry onto the lmf stack. Used by
+ * trampolines as well.
+ */
+guint32*
+mono_sparc_emit_save_lmf (guint32 *code, guint32 lmf_offset)
+{
+ /* Save lmf_addr */
+ sparc_sti_imm (code, sparc_o0, sparc_fp, lmf_offset + G_STRUCT_OFFSET (MonoLMF, lmf_addr));
+ /* Save previous_lmf */
+ sparc_ldi (code, sparc_o0, sparc_g0, sparc_o7);
+ sparc_sti_imm (code, sparc_o7, sparc_fp, lmf_offset + G_STRUCT_OFFSET (MonoLMF, previous_lmf));
+ /* Set new lmf */
+ sparc_add_imm (code, FALSE, sparc_fp, lmf_offset, sparc_o7);
+ sparc_sti (code, sparc_o7, sparc_o0, sparc_g0);
+
+ return code;
+}
+
+guint32*
+mono_sparc_emit_restore_lmf (guint32 *code, guint32 lmf_offset)
+{
+ /* Load previous_lmf */
+ sparc_ldi_imm (code, sparc_fp, lmf_offset + G_STRUCT_OFFSET (MonoLMF, previous_lmf), sparc_l0);
+ /* Load lmf_addr */
+ sparc_ldi_imm (code, sparc_fp, lmf_offset + G_STRUCT_OFFSET (MonoLMF, lmf_addr), sparc_l1);
+ /* *(lmf) = previous_lmf */
+ sparc_sti (code, sparc_l0, sparc_l1, sparc_g0);
+ return code;
+}
+
+static guint32*
+emit_save_sp_to_lmf (MonoCompile *cfg, guint32 *code)
+{
+ /*
+ * Since register windows are saved to the current value of %sp, we need to
+ * set the sp field in the lmf before the call, not in the prolog.
+ */
+ if (cfg->method->save_lmf) {
+ gint32 lmf_offset = MONO_SPARC_STACK_BIAS - cfg->arch.lmf_offset;
+
+ /* Save sp */
+ sparc_sti_imm (code, sparc_sp, sparc_fp, lmf_offset + G_STRUCT_OFFSET (MonoLMF, sp));
+ }
+
+ return code;
+}
+
+static guint32*
+emit_vret_token (MonoInst *ins, guint32 *code)
+{
+ MonoCallInst *call = (MonoCallInst*)ins;
+ guint32 size;
+
+ /*
+ * The sparc ABI requires that calls to functions which return a structure
+ * contain an additional unimpl instruction which is checked by the callee.
+ */
+ if (call->signature->pinvoke && MONO_TYPE_ISSTRUCT(call->signature->ret)) {
+ if (call->signature->ret->type == MONO_TYPE_TYPEDBYREF)
+ size = mono_type_stack_size (call->signature->ret, NULL);
+ else
+ size = mono_class_native_size (call->signature->ret->data.klass, NULL);
+ sparc_unimp (code, size & 0xfff);
+ }
+
+ return code;
+}
+
static guint32*
emit_move_return_value (MonoInst *ins, guint32 *code)
{
/* Move return value to the target register */
- /* FIXME: do this in the local reg allocator */
+ /* FIXME: do more things in the local reg allocator */
switch (ins->opcode) {
case OP_VOIDCALL:
case OP_VOIDCALL_REG:
case CEE_CALL:
case OP_CALL_REG:
case OP_CALL_MEMBASE:
- sparc_mov_reg_reg (code, sparc_o0, ins->dreg);
+ g_assert (ins->dreg == sparc_o0);
break;
case OP_LCALL:
case OP_LCALL_REG:
case OP_LCALL_MEMBASE:
/*
* ins->dreg is the least significant reg due to the lreg: LCALL rule
- * in inssel.brg.
+ * in inssel-long32.brg.
*/
- sparc_mov_reg_reg (code, sparc_o0, ins->dreg + 1);
- sparc_mov_reg_reg (code, sparc_o1, ins->dreg);
+#ifdef SPARCV9
+ sparc_mov_reg_reg (code, sparc_o0, ins->dreg);
+#else
+ g_assert (ins->dreg == sparc_o1);
+#endif
break;
case OP_FCALL:
case OP_FCALL_REG:
case OP_FCALL_MEMBASE:
+#ifdef SPARCV9
+ if (((MonoCallInst*)ins)->signature->ret->type == MONO_TYPE_R4) {
+ sparc_fmovs (code, sparc_f0, ins->dreg);
+ sparc_fstod (code, ins->dreg, ins->dreg);
+ }
+ else
+ sparc_fmovd (code, sparc_f0, ins->dreg);
+#else
sparc_fmovs (code, sparc_f0, ins->dreg);
- sparc_fmovs (code, sparc_f1, ins->dreg + 1);
+ if (((MonoCallInst*)ins)->signature->ret->type == MONO_TYPE_R4)
+ sparc_fstod (code, ins->dreg, ins->dreg);
+ else
+ sparc_fmovs (code, sparc_f1, ins->dreg + 1);
+#endif
break;
case OP_VCALL:
case OP_VCALL_REG:
return code;
}
+/*
+ * emit_load_volatile_arguments:
+ *
+ * Load volatile arguments from the stack to the original input registers.
+ * Required before a tail call.
+ */
+static guint32*
+emit_load_volatile_arguments (MonoCompile *cfg, guint32 *code)
+{
+ MonoMethod *method = cfg->method;
+ MonoMethodSignature *sig;
+ MonoInst *inst;
+ CallInfo *cinfo;
+ guint32 i, ireg;
+
+ /* FIXME: Generate intermediate code instead */
+
+ sig = mono_method_signature (method);
+
+ cinfo = get_call_info (sig, FALSE);
+
+ /* This is the opposite of the code in emit_prolog */
+
+ for (i = 0; i < sig->param_count + sig->hasthis; ++i) {
+ ArgInfo *ainfo = cinfo->args + i;
+ gint32 stack_offset;
+ MonoType *arg_type;
+ inst = cfg->varinfo [i];
+
+ if (sig->hasthis && (i == 0))
+ arg_type = &mono_defaults.object_class->byval_arg;
+ else
+ arg_type = sig->params [i - sig->hasthis];
+
+ stack_offset = ainfo->offset + ARGS_OFFSET;
+ ireg = sparc_i0 + ainfo->reg;
+
+ if (ainfo->storage == ArgInSplitRegStack) {
+ g_assert (inst->opcode == OP_REGOFFSET);
+
+ if (!sparc_is_imm13 (stack_offset))
+ NOT_IMPLEMENTED;
+ sparc_st_imm (code, inst->inst_basereg, stack_offset, sparc_i5);
+ }
+
+ if (!v64 && !arg_type->byref && (arg_type->type == MONO_TYPE_R8)) {
+ if (ainfo->storage == ArgInIRegPair) {
+ if (!sparc_is_imm13 (inst->inst_offset + 4))
+ NOT_IMPLEMENTED;
+ sparc_ld_imm (code, inst->inst_basereg, inst->inst_offset, ireg);
+ sparc_ld_imm (code, inst->inst_basereg, inst->inst_offset + 4, ireg + 1);
+ }
+ else
+ if (ainfo->storage == ArgInSplitRegStack) {
+ if (stack_offset != inst->inst_offset) {
+ sparc_ld_imm (code, inst->inst_basereg, inst->inst_offset, sparc_i5);
+ sparc_ld_imm (code, inst->inst_basereg, inst->inst_offset + 4, sparc_o7);
+ sparc_st_imm (code, sparc_o7, sparc_fp, stack_offset + 4);
+
+ }
+ }
+ else
+ if (ainfo->storage == ArgOnStackPair) {
+ if (stack_offset != inst->inst_offset) {
+ /* stack_offset is not dword aligned, so we need to make a copy */
+ sparc_ld_imm (code, inst->inst_basereg, inst->inst_offset, sparc_o7);
+ sparc_st_imm (code, sparc_o7, sparc_fp, stack_offset);
+
+ sparc_ld_imm (code, inst->inst_basereg, inst->inst_offset + 4, sparc_o7);
+ sparc_st_imm (code, sparc_o7, sparc_fp, stack_offset + 4);
+
+ }
+ }
+ else
+ g_assert_not_reached ();
+ }
+ else
+ if ((ainfo->storage == ArgInIReg) && (inst->opcode != OP_REGVAR)) {
+ /* Argument in register, but need to be saved to stack */
+ if (!sparc_is_imm13 (stack_offset))
+ NOT_IMPLEMENTED;
+ if ((stack_offset - ARGS_OFFSET) & 0x1)
+ /* FIXME: Is this ldsb or ldub ? */
+ sparc_ldsb_imm (code, inst->inst_basereg, stack_offset, ireg);
+ else
+ if ((stack_offset - ARGS_OFFSET) & 0x2)
+ sparc_ldsh_imm (code, inst->inst_basereg, stack_offset, ireg);
+ else
+ if ((stack_offset - ARGS_OFFSET) & 0x4)
+ sparc_ld_imm (code, inst->inst_basereg, stack_offset, ireg);
+ else {
+ if (v64)
+ sparc_ldx_imm (code, inst->inst_basereg, stack_offset, ireg);
+ else
+ sparc_ld_imm (code, inst->inst_basereg, stack_offset, ireg);
+ }
+ }
+ else if ((ainfo->storage == ArgInIRegPair) && (inst->opcode != OP_REGVAR)) {
+ /* Argument in regpair, but need to be saved to stack */
+ if (!sparc_is_imm13 (inst->inst_offset + 4))
+ NOT_IMPLEMENTED;
+ sparc_ld_imm (code, inst->inst_basereg, inst->inst_offset, ireg);
+ sparc_st_imm (code, inst->inst_basereg, inst->inst_offset + 4, ireg + 1);
+ }
+ else if ((ainfo->storage == ArgInFloatReg) && (inst->opcode != OP_REGVAR)) {
+ NOT_IMPLEMENTED;
+ }
+ else if ((ainfo->storage == ArgInDoubleReg) && (inst->opcode != OP_REGVAR)) {
+ NOT_IMPLEMENTED;
+ }
+
+ if ((ainfo->storage == ArgInSplitRegStack) || (ainfo->storage == ArgOnStack))
+ if (inst->opcode == OP_REGVAR)
+ /* FIXME: Load the argument into memory */
+ NOT_IMPLEMENTED;
+ }
+
+ g_free (cinfo);
+
+ return code;
+}
+
+/*
+ * mono_sparc_is_virtual_call:
+ *
+ * Determine whenever the instruction at CODE is a virtual call.
+ */
+gboolean
+mono_sparc_is_virtual_call (guint32 *code)
+{
+ guint32 buf[1];
+ guint32 *p;
+
+ p = buf;
+
+ if ((sparc_inst_op (*code) == 0x2) && (sparc_inst_op3 (*code) == 0x38)) {
+ /*
+ * Register indirect call. If it is a virtual call, then the
+ * instruction in the delay slot is a special kind of nop.
+ */
+
+ /* Construct special nop */
+ sparc_or_imm (p, FALSE, sparc_g0, 0xca, sparc_g0);
+ p --;
+
+ if (code [1] == p [0])
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+/*
+ * mono_arch_get_vcall_slot_addr:
+ *
+ * Determine the vtable slot used by a virtual call.
+ */
+gpointer*
+mono_arch_get_vcall_slot_addr (guint8 *code8, gpointer *regs)
+{
+ guint32 *code = (guint32*)(gpointer)code8;
+ guint32 ins = code [0];
+ guint32 prev_ins = code [-1];
+
+ mono_sparc_flushw ();
+
+ if (!mono_sparc_is_virtual_call (code))
+ return NULL;
+
+ if ((sparc_inst_op (ins) == 0x2) && (sparc_inst_op3 (ins) == 0x38)) {
+ if ((sparc_inst_op (prev_ins) == 0x3) && (sparc_inst_op3 (prev_ins) == 0 || sparc_inst_op3 (prev_ins) == 0xb)) {
+ /* ld [r1 + CONST ], r2; call r2 */
+ guint32 base = sparc_inst_rs1 (prev_ins);
+ guint32 disp = sparc_inst_imm13 (prev_ins);
+ gpointer base_val;
+
+ g_assert (sparc_inst_rd (prev_ins) == sparc_inst_rs1 (ins));
+
+ g_assert ((base >= sparc_o0) && (base <= sparc_i7));
+
+ base_val = regs [base - sparc_o0];
+
+ return (gpointer)((guint8*)base_val + disp);
+ }
+ else
+ g_assert_not_reached ();
+ }
+ else
+ g_assert_not_reached ();
+
+ return NULL;
+}
+
/*
* Some conventions used in the following code.
* 2) The only scratch registers we have are o7 and g1. We try to
guint offset;
guint32 *code = (guint32*)(cfg->native_code + cfg->code_len);
MonoInst *last_ins = NULL;
- guint last_offset = 0;
int max_len, cpos;
-
- GC_malloc (240);
+ const char *spec;
if (cfg->opt & MONO_OPT_PEEPHOLE)
peephole_pass (cfg, bb);
ins = bb->code;
while (ins) {
+ guint8* code_start;
+
offset = (guint8*)code - cfg->native_code;
- max_len = ((guint8 *)ins_spec [ins->opcode])[MONO_INST_LEN];
+ spec = ins_spec [ins->opcode];
+ if (!spec)
+ spec = ins_spec [CEE_ADD];
+
+ max_len = ((guint8 *)spec)[MONO_INST_LEN];
if (offset > (cfg->code_size - max_len - 16)) {
cfg->code_size *= 2;
cfg->native_code = g_realloc (cfg->native_code, cfg->code_size);
code = (guint32*)(cfg->native_code + offset);
}
+ code_start = (guint8*)code;
// if (ins->cil_code)
// g_print ("cil code\n");
+ mono_debug_record_line_number (cfg, ins, offset);
switch (ins->opcode) {
case OP_STOREI1_MEMBASE_IMM:
- if (!sparc_is_imm13 (ins->inst_offset))
- NOT_IMPLEMENTED;
- if (ins->inst_imm == 0)
- sparc_stb_imm (code, sparc_g0, ins->inst_destbasereg, ins->inst_offset);
- else {
- sparc_set (code, ins->inst_imm, sparc_o7);
- sparc_stb_imm (code, sparc_o7, ins->inst_destbasereg, ins->inst_offset);
- }
+ EMIT_STORE_MEMBASE_IMM (ins, stb);
break;
case OP_STOREI2_MEMBASE_IMM:
- if (!sparc_is_imm13 (ins->inst_offset))
- NOT_IMPLEMENTED;
- if (ins->inst_imm == 0)
- sparc_sth_imm (code, sparc_g0, ins->inst_destbasereg, ins->inst_offset);
- else {
- sparc_set (code, ins->inst_imm, sparc_o7);
- sparc_sth_imm (code, sparc_o7, ins->inst_destbasereg, ins->inst_offset);
- }
+ EMIT_STORE_MEMBASE_IMM (ins, sth);
break;
case OP_STORE_MEMBASE_IMM:
+ EMIT_STORE_MEMBASE_IMM (ins, sti);
+ break;
case OP_STOREI4_MEMBASE_IMM:
- if (!sparc_is_imm13 (ins->inst_offset))
- NOT_IMPLEMENTED;
- if (ins->inst_imm == 0)
- sparc_st_imm (code, sparc_g0, ins->inst_destbasereg, ins->inst_offset);
- else {
- sparc_set (code, ins->inst_imm, sparc_o7);
- sparc_st_imm (code, sparc_o7, ins->inst_destbasereg, ins->inst_offset);
- }
+ EMIT_STORE_MEMBASE_IMM (ins, st);
+ break;
+ case OP_STOREI8_MEMBASE_IMM:
+#ifdef SPARCV9
+ EMIT_STORE_MEMBASE_IMM (ins, stx);
+#else
+ /* Only generated by peephole opts */
+ g_assert ((ins->inst_offset % 8) == 0);
+ g_assert (ins->inst_imm == 0);
+ EMIT_STORE_MEMBASE_IMM (ins, stx);
+#endif
break;
case OP_STOREI1_MEMBASE_REG:
- if (!sparc_is_imm13 (ins->inst_offset))
- NOT_IMPLEMENTED;
- sparc_stb_imm (code, ins->sreg1, ins->inst_destbasereg, ins->inst_offset);
+ EMIT_STORE_MEMBASE_REG (ins, stb);
break;
case OP_STOREI2_MEMBASE_REG:
- if (!sparc_is_imm13 (ins->inst_offset))
- NOT_IMPLEMENTED;
- sparc_sth_imm (code, ins->sreg1, ins->inst_destbasereg, ins->inst_offset);
+ EMIT_STORE_MEMBASE_REG (ins, sth);
break;
- case OP_STORE_MEMBASE_REG:
case OP_STOREI4_MEMBASE_REG:
- if (!sparc_is_imm13 (ins->inst_offset))
- NOT_IMPLEMENTED;
- sparc_st_imm (code, ins->sreg1, ins->inst_destbasereg, ins->inst_offset);
+ EMIT_STORE_MEMBASE_REG (ins, st);
break;
case OP_STOREI8_MEMBASE_REG:
+#ifdef SPARCV9
+ EMIT_STORE_MEMBASE_REG (ins, stx);
+#else
/* Only used by OP_MEMSET */
- if (!sparc_is_imm13 (ins->inst_offset))
- NOT_IMPLEMENTED;
- sparc_std_imm (code, ins->sreg1, ins->inst_destbasereg, ins->inst_offset);
+ EMIT_STORE_MEMBASE_REG (ins, std);
+#endif
+ break;
+ case OP_STORE_MEMBASE_REG:
+ EMIT_STORE_MEMBASE_REG (ins, sti);
break;
case CEE_LDIND_I:
+#ifdef SPARCV9
+ sparc_ldx (code, ins->inst_c0, sparc_g0, ins->dreg);
+#else
+ sparc_ld (code, ins->inst_c0, sparc_g0, ins->dreg);
+#endif
+ break;
case CEE_LDIND_I4:
+#ifdef SPARCV9
+ sparc_ldsw (code, ins->inst_c0, sparc_g0, ins->dreg);
+#else
+ sparc_ld (code, ins->inst_c0, sparc_g0, ins->dreg);
+#endif
+ break;
case CEE_LDIND_U4:
- sparc_ld (code, ins->inst_p0, sparc_g0, ins->dreg);
+ sparc_ld (code, ins->inst_c0, sparc_g0, ins->dreg);
break;
- /* The cast IS BAD (maybe). But it needs to be done... */
case OP_LOADU4_MEM:
- sparc_set (code, (guint)ins->inst_p0, ins->dreg);
+ sparc_set (code, ins->inst_c0, ins->dreg);
sparc_ld (code, ins->dreg, sparc_g0, ins->dreg);
break;
- case OP_LOAD_MEMBASE:
case OP_LOADI4_MEMBASE:
+#ifdef SPARCV9
+ EMIT_LOAD_MEMBASE (ins, ldsw);
+#else
+ EMIT_LOAD_MEMBASE (ins, ld);
+#endif
+ break;
case OP_LOADU4_MEMBASE:
EMIT_LOAD_MEMBASE (ins, ld);
break;
case OP_LOADI2_MEMBASE:
EMIT_LOAD_MEMBASE (ins, ldsh);
break;
+ case OP_LOAD_MEMBASE:
+#ifdef SPARCV9
+ EMIT_LOAD_MEMBASE (ins, ldx);
+#else
+ EMIT_LOAD_MEMBASE (ins, ld);
+#endif
+ break;
+#ifdef SPARCV9
+ case OP_LOADI8_MEMBASE:
+ EMIT_LOAD_MEMBASE (ins, ldx);
+ break;
+#endif
case CEE_CONV_I1:
sparc_sll_imm (code, ins->sreg1, 24, sparc_o7);
sparc_sra_imm (code, sparc_o7, 24, ins->dreg);
sparc_sll_imm (code, ins->sreg1, 16, sparc_o7);
sparc_sra_imm (code, sparc_o7, 16, ins->dreg);
break;
- /* GCC does this one differently. Don't ask me WHY. */
case CEE_CONV_U1:
sparc_and_imm (code, FALSE, ins->sreg1, 0xff, ins->dreg);
break;
sparc_sll_imm (code, ins->sreg1, 16, sparc_o7);
sparc_srl_imm (code, sparc_o7, 16, ins->dreg);
break;
+ case CEE_CONV_OVF_U4:
+ /* Only used on V9 */
+ sparc_cmp_imm (code, ins->sreg1, 0);
+ mono_add_patch_info (cfg, (guint8*)(code) - (cfg)->native_code,
+ MONO_PATCH_INFO_EXC, "OverflowException");
+ sparc_branchp (code, 0, sparc_bl, sparc_xcc_short, 0, 0);
+ /* Delay slot */
+ sparc_set (code, 1, sparc_o7);
+ sparc_sllx_imm (code, sparc_o7, 32, sparc_o7);
+ sparc_cmp (code, ins->sreg1, sparc_o7);
+ mono_add_patch_info (cfg, (guint8*)(code) - (cfg)->native_code,
+ MONO_PATCH_INFO_EXC, "OverflowException");
+ sparc_branchp (code, 0, sparc_bge, sparc_xcc_short, 0, 0);
+ sparc_nop (code);
+ sparc_mov_reg_reg (code, ins->sreg1, ins->dreg);
+ break;
+ case CEE_CONV_OVF_I4_UN:
+ /* Only used on V9 */
+ NOT_IMPLEMENTED;
+ break;
+ case CEE_CONV_U:
+ case CEE_CONV_U8:
+ /* Only used on V9 */
+ sparc_srl_imm (code, ins->sreg1, 0, ins->dreg);
+ break;
+ case CEE_CONV_I:
+ case CEE_CONV_I8:
+ /* Only used on V9 */
+ sparc_sra_imm (code, ins->sreg1, 0, ins->dreg);
+ break;
case OP_COMPARE:
+ case OP_LCOMPARE:
+ case OP_ICOMPARE:
sparc_cmp (code, ins->sreg1, ins->sreg2);
break;
case OP_COMPARE_IMM:
+ case OP_ICOMPARE_IMM:
if (sparc_is_imm13 (ins->inst_imm))
sparc_cmp_imm (code, ins->sreg1, ins->inst_imm);
else {
sparc_cmp_imm (code, ins->sreg1, 0);
break;
case CEE_BREAK:
- sparc_ta (code, 1);
+ /*
+ * gdb does not like encountering 'ta 1' in the debugged code. So
+ * instead of emitting a trap, we emit a call a C function and place a
+ * breakpoint there.
+ */
+ //sparc_ta (code, 1);
+ mono_add_patch_info (cfg, offset, MONO_PATCH_INFO_ABS, mono_sparc_break);
+ EMIT_CALL();
break;
case OP_ADDCC:
+ case OP_IADDCC:
sparc_add (code, TRUE, ins->sreg1, ins->sreg2, ins->dreg);
break;
case CEE_ADD:
+ case OP_IADD:
sparc_add (code, FALSE, ins->sreg1, ins->sreg2, ins->dreg);
break;
- case OP_ADC:
- sparc_addx (code, FALSE, ins->sreg1, ins->sreg2, ins->dreg);
- break;
+ case OP_ADDCC_IMM:
case OP_ADD_IMM:
- EMIT_ALU_IMM (ins, add, FALSE);
+ case OP_IADD_IMM:
+ /* according to inssel-long32.brg, this should set cc */
+ EMIT_ALU_IMM (ins, add, TRUE);
+ break;
+ case OP_ADC:
+ case OP_IADC:
+ /* according to inssel-long32.brg, this should set cc */
+ sparc_addx (code, TRUE, ins->sreg1, ins->sreg2, ins->dreg);
break;
case OP_ADC_IMM:
- EMIT_ALU_IMM (ins, addx, FALSE);
+ case OP_IADC_IMM:
+ EMIT_ALU_IMM (ins, addx, TRUE);
break;
case OP_SUBCC:
+ case OP_ISUBCC:
sparc_sub (code, TRUE, ins->sreg1, ins->sreg2, ins->dreg);
break;
case CEE_SUB:
+ case OP_ISUB:
sparc_sub (code, FALSE, ins->sreg1, ins->sreg2, ins->dreg);
break;
- case OP_SBB:
- sparc_subx (code, FALSE, ins->sreg1, ins->sreg2, ins->dreg);
- break;
+ case OP_SUBCC_IMM:
case OP_SUB_IMM:
- // we add the negated value
- if (sparc_is_imm13 (- ins->inst_imm))
- sparc_add_imm (code, FALSE, ins->sreg1, -ins->inst_imm, ins->dreg);
- else {
- sparc_set (code, - ins->inst_imm, sparc_o7);
- sparc_add (code, FALSE, ins->sreg1, sparc_o7, ins->dreg);
- }
+ case OP_ISUB_IMM:
+ /* according to inssel-long32.brg, this should set cc */
+ EMIT_ALU_IMM (ins, sub, TRUE);
+ break;
+ case OP_SBB:
+ case OP_ISBB:
+ /* according to inssel-long32.brg, this should set cc */
+ sparc_subx (code, TRUE, ins->sreg1, ins->sreg2, ins->dreg);
break;
case OP_SBB_IMM:
- EMIT_ALU_IMM (ins, subx, FALSE);
+ case OP_ISBB_IMM:
+ EMIT_ALU_IMM (ins, subx, TRUE);
break;
case CEE_AND:
+ case OP_IAND:
sparc_and (code, FALSE, ins->sreg1, ins->sreg2, ins->dreg);
break;
case OP_AND_IMM:
+ case OP_IAND_IMM:
EMIT_ALU_IMM (ins, and, FALSE);
break;
case CEE_DIV:
+ case OP_IDIV:
/* Sign extend sreg1 into %y */
sparc_sra_imm (code, ins->sreg1, 31, sparc_o7);
sparc_wry (code, sparc_o7, sparc_g0);
- sparc_sdiv (code, FALSE, ins->sreg1, ins->sreg2, ins->dreg);
+ sparc_sdiv (code, TRUE, ins->sreg1, ins->sreg2, ins->dreg);
+ EMIT_COND_SYSTEM_EXCEPTION_GENERAL (code, sparc_boverflow, "ArithmeticException", TRUE, sparc_icc_short);
break;
case CEE_DIV_UN:
+ case OP_IDIV_UN:
sparc_wry (code, sparc_g0, sparc_g0);
sparc_udiv (code, FALSE, ins->sreg1, ins->sreg2, ins->dreg);
break;
- case OP_DIV_IMM:
- /* Sign extend sreg1 into %y */
- sparc_sra_imm (code, ins->sreg1, 31, sparc_o7);
- sparc_wry (code, sparc_o7, sparc_g0);
- EMIT_ALU_IMM (ins, sdiv, FALSE);
+ case OP_DIV_IMM: {
+ int i, imm;
+
+ /* Transform division into a shift */
+ for (i = 1; i < 30; ++i) {
+ imm = (1 << i);
+ if (ins->inst_imm == imm)
+ break;
+ }
+ if (i < 30) {
+ if (i == 1) {
+ /* gcc 2.95.3 */
+ sparc_srl_imm (code, ins->sreg1, 31, sparc_o7);
+ sparc_add (code, FALSE, ins->sreg1, sparc_o7, ins->dreg);
+ sparc_sra_imm (code, ins->dreg, 1, ins->dreg);
+ }
+ else {
+ /* http://compilers.iecc.com/comparch/article/93-04-079 */
+ sparc_sra_imm (code, ins->sreg1, 31, sparc_o7);
+ sparc_srl_imm (code, sparc_o7, 32 - i, sparc_o7);
+ sparc_add (code, FALSE, ins->sreg1, sparc_o7, ins->dreg);
+ sparc_sra_imm (code, ins->dreg, i, ins->dreg);
+ }
+ }
+ else {
+ /* Sign extend sreg1 into %y */
+ sparc_sra_imm (code, ins->sreg1, 31, sparc_o7);
+ sparc_wry (code, sparc_o7, sparc_g0);
+ EMIT_ALU_IMM (ins, sdiv, TRUE);
+ EMIT_COND_SYSTEM_EXCEPTION_GENERAL (code, sparc_boverflow, "ArithmeticException", TRUE, sparc_icc_short);
+ }
break;
+ }
case CEE_REM:
+ case OP_IREM:
/* Sign extend sreg1 into %y */
sparc_sra_imm (code, ins->sreg1, 31, sparc_o7);
sparc_wry (code, sparc_o7, sparc_g0);
- sparc_sdiv (code, FALSE, ins->sreg1, ins->sreg2, sparc_o7);
+ sparc_sdiv (code, TRUE, ins->sreg1, ins->sreg2, sparc_o7);
+ EMIT_COND_SYSTEM_EXCEPTION_GENERAL (code, sparc_boverflow, "ArithmeticException", TRUE, sparc_icc_short);
sparc_smul (code, FALSE, ins->sreg2, sparc_o7, sparc_o7);
sparc_sub (code, FALSE, ins->sreg1, sparc_o7, ins->dreg);
break;
case CEE_REM_UN:
+ case OP_IREM_UN:
sparc_wry (code, sparc_g0, sparc_g0);
sparc_udiv (code, FALSE, ins->sreg1, ins->sreg2, sparc_o7);
sparc_umul (code, FALSE, ins->sreg2, sparc_o7, sparc_o7);
sparc_sub (code, FALSE, ins->sreg1, sparc_o7, ins->dreg);
break;
case OP_REM_IMM:
+ case OP_IREM_IMM:
/* Sign extend sreg1 into %y */
sparc_sra_imm (code, ins->sreg1, 31, sparc_o7);
sparc_wry (code, sparc_o7, sparc_g0);
- if (!sparc_is_imm13 (ins->inst_imm))
- NOT_IMPLEMENTED;
- sparc_sdiv_imm (code, FALSE, ins->sreg1, ins->inst_imm, sparc_o7);
- sparc_smul_imm (code, FALSE, sparc_o7, ins->inst_imm, sparc_o7);
+ if (!sparc_is_imm13 (ins->inst_imm)) {
+ sparc_set (code, ins->inst_imm, GP_SCRATCH_REG);
+ sparc_sdiv (code, TRUE, ins->sreg1, GP_SCRATCH_REG, sparc_o7);
+ EMIT_COND_SYSTEM_EXCEPTION_GENERAL (code, sparc_boverflow, "ArithmeticException", TRUE, sparc_icc_short);
+ sparc_smul (code, FALSE, sparc_o7, GP_SCRATCH_REG, sparc_o7);
+ }
+ else {
+ sparc_sdiv_imm (code, TRUE, ins->sreg1, ins->inst_imm, sparc_o7);
+ EMIT_COND_SYSTEM_EXCEPTION_GENERAL (code, sparc_boverflow, "ArithmeticException", TRUE, sparc_icc_short);
+ sparc_smul_imm (code, FALSE, sparc_o7, ins->inst_imm, sparc_o7);
+ }
sparc_sub (code, FALSE, ins->sreg1, sparc_o7, ins->dreg);
break;
case CEE_OR:
+ case OP_IOR:
sparc_or (code, FALSE, ins->sreg1, ins->sreg2, ins->dreg);
break;
case OP_OR_IMM:
+ case OP_IOR_IMM:
EMIT_ALU_IMM (ins, or, FALSE);
break;
case CEE_XOR:
+ case OP_IXOR:
sparc_xor (code, FALSE, ins->sreg1, ins->sreg2, ins->dreg);
break;
case OP_XOR_IMM:
+ case OP_IXOR_IMM:
EMIT_ALU_IMM (ins, xor, FALSE);
break;
case CEE_SHL:
+ case OP_ISHL:
sparc_sll (code, ins->sreg1, ins->sreg2, ins->dreg);
break;
case OP_SHL_IMM:
- if (sparc_is_imm13 (ins->inst_imm))
+ case OP_ISHL_IMM:
+ if (ins->inst_imm < (1 << 5))
sparc_sll_imm (code, ins->sreg1, ins->inst_imm, ins->dreg);
else {
sparc_set (code, ins->inst_imm, sparc_o7);
}
break;
case CEE_SHR:
+ case OP_ISHR:
sparc_sra (code, ins->sreg1, ins->sreg2, ins->dreg);
break;
+ case OP_ISHR_IMM:
case OP_SHR_IMM:
- if (sparc_is_imm13 (ins->inst_imm))
+ if (ins->inst_imm < (1 << 5))
sparc_sra_imm (code, ins->sreg1, ins->inst_imm, ins->dreg);
else {
sparc_set (code, ins->inst_imm, sparc_o7);
}
break;
case OP_SHR_UN_IMM:
- if (sparc_is_imm13 (ins->inst_imm))
+ case OP_ISHR_UN_IMM:
+ if (ins->inst_imm < (1 << 5))
sparc_srl_imm (code, ins->sreg1, ins->inst_imm, ins->dreg);
else {
sparc_set (code, ins->inst_imm, sparc_o7);
}
break;
case CEE_SHR_UN:
+ case OP_ISHR_UN:
sparc_srl (code, ins->sreg1, ins->sreg2, ins->dreg);
break;
+ case OP_LSHL:
+ sparc_sllx (code, ins->sreg1, ins->sreg2, ins->dreg);
+ break;
+ case OP_LSHL_IMM:
+ if (ins->inst_imm < (1 << 6))
+ sparc_sllx_imm (code, ins->sreg1, ins->inst_imm, ins->dreg);
+ else {
+ sparc_set (code, ins->inst_imm, sparc_o7);
+ sparc_sllx (code, ins->sreg1, sparc_o7, ins->dreg);
+ }
+ break;
+ case OP_LSHR:
+ sparc_srax (code, ins->sreg1, ins->sreg2, ins->dreg);
+ break;
+ case OP_LSHR_IMM:
+ if (ins->inst_imm < (1 << 6))
+ sparc_srax_imm (code, ins->sreg1, ins->inst_imm, ins->dreg);
+ else {
+ sparc_set (code, ins->inst_imm, sparc_o7);
+ sparc_srax (code, ins->sreg1, sparc_o7, ins->dreg);
+ }
+ break;
+ case OP_LSHR_UN:
+ sparc_srlx (code, ins->sreg1, ins->sreg2, ins->dreg);
+ break;
+ case OP_LSHR_UN_IMM:
+ if (ins->inst_imm < (1 << 6))
+ sparc_srlx_imm (code, ins->sreg1, ins->inst_imm, ins->dreg);
+ else {
+ sparc_set (code, ins->inst_imm, sparc_o7);
+ sparc_srlx (code, ins->sreg1, sparc_o7, ins->dreg);
+ }
+ break;
case CEE_NOT:
+ case OP_INOT:
/* can't use sparc_not */
sparc_xnor (code, FALSE, ins->sreg1, sparc_g0, ins->dreg);
break;
case CEE_NEG:
+ case OP_INEG:
/* can't use sparc_neg */
sparc_sub (code, FALSE, sparc_g0, ins->sreg1, ins->dreg);
break;
case CEE_MUL:
+ case OP_IMUL:
sparc_smul (code, FALSE, ins->sreg1, ins->sreg2, ins->dreg);
break;
- case OP_MUL_IMM:
- EMIT_ALU_IMM (ins, smul, FALSE);
+ case OP_IMUL_IMM:
+ case OP_MUL_IMM: {
+ int i, imm;
+
+ if ((ins->inst_imm == 1) && (ins->sreg1 == ins->dreg))
+ break;
+
+ /* Transform multiplication into a shift */
+ for (i = 0; i < 30; ++i) {
+ imm = (1 << i);
+ if (ins->inst_imm == imm)
+ break;
+ }
+ if (i < 30)
+ sparc_sll_imm (code, ins->sreg1, i, ins->dreg);
+ else
+ EMIT_ALU_IMM (ins, smul, FALSE);
break;
+ }
case CEE_MUL_OVF:
- /* FIXME: */
- sparc_smul (code, FALSE, ins->sreg1, ins->sreg2, ins->dreg);
+ case OP_IMUL_OVF:
+ sparc_smul (code, TRUE, ins->sreg1, ins->sreg2, ins->dreg);
+ sparc_rdy (code, sparc_g1);
+ sparc_sra_imm (code, ins->dreg, 31, sparc_o7);
+ sparc_cmp (code, sparc_g1, sparc_o7);
+ EMIT_COND_SYSTEM_EXCEPTION_GENERAL (ins, sparc_bne, "OverflowException", TRUE, sparc_icc_short);
break;
case CEE_MUL_OVF_UN:
- /* FIXME: */
- sparc_umul (code, FALSE, ins->sreg1, ins->sreg2, ins->dreg);
+ case OP_IMUL_OVF_UN:
+ sparc_umul (code, TRUE, ins->sreg1, ins->sreg2, ins->dreg);
+ sparc_rdy (code, sparc_o7);
+ sparc_cmp (code, sparc_o7, sparc_g0);
+ EMIT_COND_SYSTEM_EXCEPTION_GENERAL (ins, sparc_bne, "OverflowException", TRUE, sparc_icc_short);
break;
case OP_ICONST:
case OP_SETREGIMM:
sparc_set (code, ins->inst_c0, ins->dreg);
break;
+ case OP_I8CONST:
+ sparc_set (code, ins->inst_l, ins->dreg);
+ break;
+ case OP_AOTCONST:
+ mono_add_patch_info (cfg, offset, (MonoJumpInfoType)ins->inst_i1, ins->inst_p0);
+ sparc_set_template (code, ins->dreg);
+ break;
case CEE_CONV_I4:
case CEE_CONV_U4:
case OP_MOVE:
if (ins->sreg1 != ins->dreg)
sparc_mov_reg_reg (code, ins->sreg1, ins->dreg);
break;
+ case OP_SETFREG:
+ /* Only used on V9 */
+ if (ins->sreg1 != ins->dreg)
+ sparc_fmovd (code, ins->sreg1, ins->dreg);
+ break;
+ case OP_SPARC_SETFREG_FLOAT:
+ /* Only used on V9 */
+ sparc_fdtos (code, ins->sreg1, ins->dreg);
+ break;
case CEE_JMP:
- g_assert_not_reached ();
+ if (cfg->method->save_lmf)
+ NOT_IMPLEMENTED;
+
+ code = emit_load_volatile_arguments (cfg, code);
+ mono_add_patch_info (cfg, (guint8*)code - cfg->native_code, MONO_PATCH_INFO_METHOD_JUMP, ins->inst_p0);
+ sparc_set_template (code, sparc_o7);
+ sparc_jmpl (code, sparc_o7, sparc_g0, sparc_g0);
+ /* Restore parent frame in delay slot */
+ sparc_restore_imm (code, sparc_g0, 0, sparc_g0);
break;
case OP_CHECK_THIS:
/* ensure ins->sreg1 is not NULL */
- sparc_cmp_imm (code, ins->sreg1, 0);
+ sparc_ld_imm (code, ins->sreg1, 0, sparc_g0);
+ break;
+ case OP_ARGLIST:
+ sparc_add_imm (code, FALSE, sparc_fp, cfg->sig_cookie, sparc_o7);
+ sparc_sti_imm (code, sparc_o7, ins->sreg1, 0);
break;
case OP_FCALL:
case OP_LCALL:
case OP_VOIDCALL:
case CEE_CALL:
call = (MonoCallInst*)ins;
+ g_assert (!call->virtual);
+ code = emit_save_sp_to_lmf (cfg, code);
if (ins->flags & MONO_INST_HAS_METHOD)
- mono_add_patch_info (cfg, offset, MONO_PATCH_INFO_METHOD, call->method);
+ code = emit_call (cfg, code, MONO_PATCH_INFO_METHOD, call->method);
else
- mono_add_patch_info (cfg, offset, MONO_PATCH_INFO_ABS, call->fptr);
- sparc_call_simple (code, 0);
- sparc_nop (code);
+ code = emit_call (cfg, code, MONO_PATCH_INFO_ABS, call->fptr);
+ code = emit_vret_token (ins, code);
code = emit_move_return_value (ins, code);
break;
case OP_FCALL_REG:
case OP_VOIDCALL_REG:
case OP_CALL_REG:
call = (MonoCallInst*)ins;
+ code = emit_save_sp_to_lmf (cfg, code);
sparc_jmpl (code, ins->sreg1, sparc_g0, sparc_callsite);
- sparc_nop (code);
+ /*
+ * We emit a special kind of nop in the delay slot to tell the
+ * trampoline code that this is a virtual call, thus an unbox
+ * trampoline might need to be called.
+ */
+ if (call->virtual)
+ sparc_or_imm (code, FALSE, sparc_g0, 0xca, sparc_g0);
+ else
+ sparc_nop (code);
+ code = emit_vret_token (ins, code);
code = emit_move_return_value (ins, code);
break;
case OP_FCALL_MEMBASE:
case OP_CALL_MEMBASE:
call = (MonoCallInst*)ins;
g_assert (sparc_is_imm13 (ins->inst_offset));
-
- sparc_ld_imm (code, ins->inst_basereg, ins->inst_offset, sparc_o7);
+ code = emit_save_sp_to_lmf (cfg, code);
+ sparc_ldi_imm (code, ins->inst_basereg, ins->inst_offset, sparc_o7);
sparc_jmpl (code, sparc_o7, sparc_g0, sparc_callsite);
- sparc_nop (code);
+ if (call->virtual)
+ sparc_or_imm (code, FALSE, sparc_g0, 0xca, sparc_g0);
+ else
+ sparc_nop (code);
+ code = emit_vret_token (ins, code);
code = emit_move_return_value (ins, code);
break;
+ case OP_SETFRET:
+ if (mono_method_signature (cfg->method)->ret->type == MONO_TYPE_R4)
+ sparc_fdtos (code, ins->sreg1, sparc_f0);
+ else {
+#ifdef SPARCV9
+ sparc_fmovd (code, ins->sreg1, ins->dreg);
+#else
+ /* FIXME: Why not use fmovd ? */
+ sparc_fmovs (code, ins->sreg1, ins->dreg);
+ sparc_fmovs (code, ins->sreg1 + 1, ins->dreg + 1);
+#endif
+ }
+ break;
case OP_OUTARG:
g_assert_not_reached ();
break;
- case OP_LOCALLOC:
+ case OP_LOCALLOC: {
+ guint32 size_reg;
+
+#ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
+ /* Perform stack touching */
NOT_IMPLEMENTED;
+#endif
+
+ /* Keep alignment */
+ sparc_add_imm (code, FALSE, ins->sreg1, MONO_ARCH_FRAME_ALIGNMENT - 1, ins->dreg);
+ sparc_set (code, ~(MONO_ARCH_FRAME_ALIGNMENT - 1), sparc_o7);
+ sparc_and (code, FALSE, ins->dreg, sparc_o7, ins->dreg);
+
+ if ((ins->flags & MONO_INST_INIT) && (ins->sreg1 == ins->dreg)) {
+#ifdef SPARCV9
+ size_reg = sparc_g4;
+#else
+ size_reg = sparc_g1;
+#endif
+ sparc_mov_reg_reg (code, ins->dreg, size_reg);
+ }
+ else
+ size_reg = ins->sreg1;
+
+ sparc_sub (code, FALSE, sparc_sp, ins->dreg, ins->dreg);
+ /* Keep %sp valid at all times */
+ sparc_mov_reg_reg (code, ins->dreg, sparc_sp);
+ g_assert (sparc_is_imm13 (MONO_SPARC_STACK_BIAS + cfg->arch.localloc_offset));
+ sparc_add_imm (code, FALSE, ins->dreg, MONO_SPARC_STACK_BIAS + cfg->arch.localloc_offset, ins->dreg);
+
+ if (ins->flags & MONO_INST_INIT) {
+ guint32 *br [3];
+ /* Initialize memory region */
+ sparc_cmp_imm (code, size_reg, 0);
+ br [0] = code;
+ sparc_branch (code, 0, sparc_be, 0);
+ /* delay slot */
+ sparc_set (code, 0, sparc_o7);
+ sparc_sub_imm (code, 0, size_reg, sparcv9 ? 8 : 4, size_reg);
+ /* start of loop */
+ br [1] = code;
+ if (sparcv9)
+ sparc_stx (code, sparc_g0, ins->dreg, sparc_o7);
+ else
+ sparc_st (code, sparc_g0, ins->dreg, sparc_o7);
+ sparc_cmp (code, sparc_o7, size_reg);
+ br [2] = code;
+ sparc_branch (code, 0, sparc_bl, 0);
+ sparc_patch (br [2], br [1]);
+ /* delay slot */
+ sparc_add_imm (code, 0, sparc_o7, sparcv9 ? 8 : 4, sparc_o7);
+ sparc_patch (br [0], code);
+ }
+ break;
+ }
+ case OP_SPARC_LOCALLOC_IMM: {
+ gint32 offset = ins->inst_c0;
+
+#ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
+ /* Perform stack touching */
+ NOT_IMPLEMENTED;
+#endif
+
+ offset = ALIGN_TO (offset, MONO_ARCH_FRAME_ALIGNMENT);
+ if (sparc_is_imm13 (offset))
+ sparc_sub_imm (code, FALSE, sparc_sp, offset, sparc_sp);
+ else {
+ sparc_set (code, offset, sparc_o7);
+ sparc_sub (code, FALSE, sparc_sp, sparc_o7, sparc_sp);
+ }
+ g_assert (sparc_is_imm13 (MONO_SPARC_STACK_BIAS + cfg->arch.localloc_offset));
+ sparc_add_imm (code, FALSE, sparc_sp, MONO_SPARC_STACK_BIAS + cfg->arch.localloc_offset, ins->dreg);
+ if ((ins->flags & MONO_INST_INIT) && (offset > 0)) {
+ guint32 *br [2];
+ int i;
+
+ if (offset <= 16) {
+ i = 0;
+ while (i < offset) {
+ if (sparcv9) {
+ sparc_stx_imm (code, sparc_g0, ins->dreg, i);
+ i += 8;
+ }
+ else {
+ sparc_st_imm (code, sparc_g0, ins->dreg, i);
+ i += 4;
+ }
+ }
+ }
+ else {
+ sparc_set (code, offset, sparc_o7);
+ sparc_sub_imm (code, 0, sparc_o7, sparcv9 ? 8 : 4, sparc_o7);
+ /* beginning of loop */
+ br [0] = code;
+ if (sparcv9)
+ sparc_stx (code, sparc_g0, ins->dreg, sparc_o7);
+ else
+ sparc_st (code, sparc_g0, ins->dreg, sparc_o7);
+ sparc_cmp_imm (code, sparc_o7, 0);
+ br [1] = code;
+ sparc_branch (code, 0, sparc_bne, 0);
+ /* delay slot */
+ sparc_sub_imm (code, 0, sparc_o7, sparcv9 ? 8 : 4, sparc_o7);
+ sparc_patch (br [1], br [0]);
+ }
+ }
break;
+ }
case CEE_RET:
/* The return is done in the epilog */
g_assert_not_reached ();
break;
- case CEE_THROW: {
- sparc_unimp (code, 0);
- /* FIXME: */
+ case CEE_THROW:
+ sparc_mov_reg_reg (code, ins->sreg1, sparc_o0);
+ mono_add_patch_info (cfg, (guint8*)code - cfg->native_code, MONO_PATCH_INFO_INTERNAL_METHOD,
+ (gpointer)"mono_arch_throw_exception");
+ EMIT_CALL ();
+ break;
+ case OP_RETHROW:
+ sparc_mov_reg_reg (code, ins->sreg1, sparc_o0);
+ mono_add_patch_info (cfg, (guint8*)code - cfg->native_code, MONO_PATCH_INFO_INTERNAL_METHOD,
+ (gpointer)"mono_arch_rethrow_exception");
+ EMIT_CALL ();
+ break;
+ case OP_START_HANDLER: {
+ /*
+ * The START_HANDLER instruction marks the beginning of a handler
+ * block. It is called using a call instruction, so %o7 contains
+ * the return address. Since the handler executes in the same stack
+ * frame as the method itself, we can't use save/restore to save
+ * the return address. Instead, we save it into a dedicated
+ * variable.
+ */
+ MonoInst *spvar = mono_find_spvar_for_region (cfg, bb->region);
+ if (!sparc_is_imm13 (spvar->inst_offset)) {
+ sparc_set (code, spvar->inst_offset, GP_SCRATCH_REG);
+ sparc_sti (code, sparc_o7, spvar->inst_basereg, GP_SCRATCH_REG);
+ }
+ else
+ sparc_sti_imm (code, sparc_o7, spvar->inst_basereg, spvar->inst_offset);
break;
}
- case OP_ENDFILTER:
- /* FIXME: */
+ case OP_ENDFILTER: {
+ MonoInst *spvar = mono_find_spvar_for_region (cfg, bb->region);
+ if (!sparc_is_imm13 (spvar->inst_offset)) {
+ sparc_set (code, spvar->inst_offset, GP_SCRATCH_REG);
+ sparc_ldi (code, spvar->inst_basereg, GP_SCRATCH_REG, sparc_o7);
+ }
+ else
+ sparc_ldi_imm (code, spvar->inst_basereg, spvar->inst_offset, sparc_o7);
+ sparc_jmpl_imm (code, sparc_o7, 8, sparc_g0);
+ /* Delay slot */
+ sparc_mov_reg_reg (code, ins->sreg1, sparc_o0);
break;
- case CEE_ENDFINALLY:
- /* FIXME: */
+ }
+ case CEE_ENDFINALLY: {
+ MonoInst *spvar = mono_find_spvar_for_region (cfg, bb->region);
+ if (!sparc_is_imm13 (spvar->inst_offset)) {
+ sparc_set (code, spvar->inst_offset, GP_SCRATCH_REG);
+ sparc_ldi (code, spvar->inst_basereg, GP_SCRATCH_REG, sparc_o7);
+ }
+ else
+ sparc_ldi_imm (code, spvar->inst_basereg, spvar->inst_offset, sparc_o7);
+ sparc_jmpl_imm (code, sparc_o7, 8, sparc_g0);
+ sparc_nop (code);
break;
+ }
case OP_CALL_HANDLER:
- /* FIXME: */
+ mono_add_patch_info (cfg, offset, MONO_PATCH_INFO_BB, ins->inst_target_bb);
+ /* This is a jump inside the method, so call_simple works even on V9 */
+ sparc_call_simple (code, 0);
+ sparc_nop (code);
break;
case OP_LABEL:
ins->inst_c0 = (guint8*)code - cfg->native_code;
case OP_CLT_UN:
case OP_CGT:
case OP_CGT_UN:
+ if (v64 && (cfg->opt & MONO_OPT_CMOV)) {
+ sparc_clr_reg (code, ins->dreg);
+ sparc_movcc_imm (code, sparc_xcc, opcode_to_sparc_cond (ins->opcode), 1, ins->dreg);
+ }
+ else {
+ sparc_clr_reg (code, ins->dreg);
+#ifdef SPARCV9
+ sparc_branchp (code, 1, opcode_to_sparc_cond (ins->opcode), DEFAULT_ICC, 0, 2);
+#else
+ sparc_branch (code, 1, opcode_to_sparc_cond (ins->opcode), 2);
+#endif
+ /* delay slot */
+ sparc_set (code, 1, ins->dreg);
+ }
+ break;
+ case OP_ICEQ:
+ case OP_ICLT:
+ case OP_ICLT_UN:
+ case OP_ICGT:
+ case OP_ICGT_UN:
+ if (v64 && (cfg->opt & MONO_OPT_CMOV)) {
+ sparc_clr_reg (code, ins->dreg);
+ sparc_movcc_imm (code, sparc_icc, opcode_to_sparc_cond (ins->opcode), 1, ins->dreg);
+ }
+ else {
sparc_clr_reg (code, ins->dreg);
- sparc_branch (code, 1, opcode_to_sparc_cond (ins->opcode), 2);
+ sparc_branchp (code, 1, opcode_to_sparc_cond (ins->opcode), sparc_icc_short, 0, 2);
/* delay slot */
sparc_set (code, 1, ins->dreg);
- break;
+ }
+ break;
case OP_COND_EXC_EQ:
case OP_COND_EXC_NE_UN:
case OP_COND_EXC_LT:
case OP_COND_EXC_NO:
case OP_COND_EXC_C:
case OP_COND_EXC_NC:
- /* FIXME: */
- //EMIT_COND_SYSTEM_EXCEPTION (branch_cc_table [ins->opcode - OP_COND_EXC_EQ],
- // (ins->opcode < OP_COND_EXC_NE_UN), ins->inst_p1);
+ EMIT_COND_SYSTEM_EXCEPTION (ins, opcode_to_sparc_cond (ins->opcode), ins->inst_p1);
+ break;
+ case OP_SPARC_COND_EXC_EQZ:
+ EMIT_COND_SYSTEM_EXCEPTION_BPR (ins, brz, ins->inst_p1);
+ break;
+ case OP_SPARC_COND_EXC_GEZ:
+ EMIT_COND_SYSTEM_EXCEPTION_BPR (ins, brgez, ins->inst_p1);
+ break;
+ case OP_SPARC_COND_EXC_GTZ:
+ EMIT_COND_SYSTEM_EXCEPTION_BPR (ins, brgz, ins->inst_p1);
+ break;
+ case OP_SPARC_COND_EXC_LEZ:
+ EMIT_COND_SYSTEM_EXCEPTION_BPR (ins, brlez, ins->inst_p1);
+ break;
+ case OP_SPARC_COND_EXC_LTZ:
+ EMIT_COND_SYSTEM_EXCEPTION_BPR (ins, brlz, ins->inst_p1);
+ break;
+ case OP_SPARC_COND_EXC_NEZ:
+ EMIT_COND_SYSTEM_EXCEPTION_BPR (ins, brnz, ins->inst_p1);
+ break;
+ case OP_COND_EXC_IOV:
+ case OP_COND_EXC_IC:
+ EMIT_COND_SYSTEM_EXCEPTION_GENERAL (ins, opcode_to_sparc_cond (ins->opcode), ins->inst_p1, TRUE, sparc_icc_short);
break;
case CEE_BEQ:
case CEE_BNE_UN:
case CEE_BGE:
case CEE_BGE_UN:
case CEE_BLE:
- case CEE_BLE_UN:
- EMIT_COND_BRANCH (ins, opcode_to_sparc_cond (ins->opcode));
+ case CEE_BLE_UN: {
+ if (sparcv9)
+ EMIT_COND_BRANCH_PREDICTED (ins, opcode_to_sparc_cond (ins->opcode), 1, 1);
+ else
+ EMIT_COND_BRANCH (ins, opcode_to_sparc_cond (ins->opcode), 1, 1);
break;
+ }
- /* floating point opcodes */
- case OP_R8CONST: {
- double d = *(double*)ins->inst_p0;
+ case OP_IBEQ:
+ case OP_IBNE_UN:
+ case OP_IBLT:
+ case OP_IBLT_UN:
+ case OP_IBGT:
+ case OP_IBGT_UN:
+ case OP_IBGE:
+ case OP_IBGE_UN:
+ case OP_IBLE:
+ case OP_IBLE_UN: {
+ /* Only used on V9 */
+ EMIT_COND_BRANCH_ICC (ins, opcode_to_sparc_cond (ins->opcode), 1, 1, sparc_icc_short);
+ break;
+ }
+ case OP_SPARC_BRZ:
+ EMIT_COND_BRANCH_BPR (ins, brz, 1, 1, 1);
+ break;
+ case OP_SPARC_BRLEZ:
+ EMIT_COND_BRANCH_BPR (ins, brlez, 1, 1, 1);
+ break;
+ case OP_SPARC_BRLZ:
+ EMIT_COND_BRANCH_BPR (ins, brlz, 1, 1, 1);
+ break;
+ case OP_SPARC_BRNZ:
+ EMIT_COND_BRANCH_BPR (ins, brnz, 1, 1, 1);
+ break;
+ case OP_SPARC_BRGZ:
+ EMIT_COND_BRANCH_BPR (ins, brgz, 1, 1, 1);
+ break;
+ case OP_SPARC_BRGEZ:
+ EMIT_COND_BRANCH_BPR (ins, brgez, 1, 1, 1);
+ break;
+
+ /* floating point opcodes */
+ case OP_R8CONST:
mono_add_patch_info (cfg, offset, MONO_PATCH_INFO_R8, ins->inst_p0);
+#ifdef SPARCV9
+ sparc_set_template (code, sparc_o7);
+#else
sparc_sethi (code, 0, sparc_o7);
+#endif
sparc_lddf_imm (code, sparc_o7, 0, ins->dreg);
break;
- }
- case OP_R4CONST: {
- float f = *(float*)ins->inst_p0;
-
+ case OP_R4CONST:
mono_add_patch_info (cfg, offset, MONO_PATCH_INFO_R4, ins->inst_p0);
+#ifdef SPARCV9
+ sparc_set_template (code, sparc_o7);
+#else
sparc_sethi (code, 0, sparc_o7);
- sparc_ldf_imm (code, sparc_o7, 0, ins->dreg);
+#endif
+ sparc_ldf_imm (code, sparc_o7, 0, FP_SCRATCH_REG);
/* Extend to double */
- sparc_fstod (code, ins->dreg, ins->dreg);
+ sparc_fstod (code, FP_SCRATCH_REG, ins->dreg);
break;
- }
case OP_STORER8_MEMBASE_REG:
- if (!sparc_is_imm13 (ins->inst_offset + 4))
- NOT_IMPLEMENTED;
- if (ins->inst_offset % 8) {
- /* Misaligned */
- sparc_stf_imm (code, ins->sreg1, ins->inst_destbasereg, ins->inst_offset);
- sparc_stf_imm (code, ins->sreg1 + 1, ins->inst_destbasereg, ins->inst_offset + 4);
- } else
- sparc_stdf_imm (code, ins->sreg1, ins->inst_destbasereg, ins->inst_offset);
+ if (!sparc_is_imm13 (ins->inst_offset + 4)) {
+ sparc_set (code, ins->inst_offset, sparc_o7);
+ /* SPARCV9 handles misaligned fp loads/stores */
+ if (!v64 && (ins->inst_offset % 8)) {
+ /* Misaligned */
+ sparc_add (code, FALSE, ins->inst_destbasereg, sparc_o7, sparc_o7);
+ sparc_stf (code, ins->sreg1, sparc_o7, sparc_g0);
+ sparc_stf_imm (code, ins->sreg1 + 1, sparc_o7, 4);
+ } else
+ sparc_stdf (code, ins->sreg1, ins->inst_destbasereg, sparc_o7);
+ }
+ else {
+ if (!v64 && (ins->inst_offset % 8)) {
+ /* Misaligned */
+ sparc_stf_imm (code, ins->sreg1, ins->inst_destbasereg, ins->inst_offset);
+ sparc_stf_imm (code, ins->sreg1 + 1, ins->inst_destbasereg, ins->inst_offset + 4);
+ } else
+ sparc_stdf_imm (code, ins->sreg1, ins->inst_destbasereg, ins->inst_offset);
+ }
break;
case OP_LOADR8_MEMBASE:
- g_assert ((ins->inst_offset % 8) == 0);
EMIT_LOAD_MEMBASE (ins, lddf);
break;
case OP_STORER4_MEMBASE_REG:
/* This requires a double->single conversion */
- sparc_fdtos (code, ins->sreg1, sparc_f0);
- if (!sparc_is_imm13 (ins->inst_offset))
- NOT_IMPLEMENTED;
- sparc_stf_imm (code, sparc_f0, ins->inst_destbasereg, ins->inst_offset);
+ sparc_fdtos (code, ins->sreg1, FP_SCRATCH_REG);
+ if (!sparc_is_imm13 (ins->inst_offset)) {
+ sparc_set (code, ins->inst_offset, sparc_o7);
+ sparc_stf (code, FP_SCRATCH_REG, ins->inst_destbasereg, sparc_o7);
+ }
+ else
+ sparc_stf_imm (code, FP_SCRATCH_REG, ins->inst_destbasereg, ins->inst_offset);
break;
- case OP_LOADR4_MEMBASE:
+ case OP_LOADR4_MEMBASE: {
+ /* ldf needs a single precision register */
+ int dreg = ins->dreg;
+ ins->dreg = FP_SCRATCH_REG;
EMIT_LOAD_MEMBASE (ins, ldf);
+ ins->dreg = dreg;
/* Extend to double */
- sparc_fstod (code, ins->dreg, ins->dreg);
+ sparc_fstod (code, FP_SCRATCH_REG, ins->dreg);
break;
+ }
case OP_FMOVE:
+#ifdef SPARCV9
+ sparc_fmovd (code, ins->sreg1, ins->dreg);
+#else
sparc_fmovs (code, ins->sreg1, ins->dreg);
sparc_fmovs (code, ins->sreg1 + 1, ins->dreg + 1);
+#endif
break;
- case CEE_CONV_R4:
- sparc_st_imm (code, ins->sreg1, sparc_sp, cfg->stack_offset - 8);
- sparc_ldf_imm (code, sparc_sp, cfg->stack_offset - 8, sparc_f0);
- sparc_fitos (code, sparc_f0, sparc_f0);
- sparc_fstod (code, sparc_f0, ins->dreg);
+ case CEE_CONV_R4: {
+ gint32 offset = mono_spillvar_offset_float (cfg, 0);
+ if (!sparc_is_imm13 (offset))
+ NOT_IMPLEMENTED;
+#ifdef SPARCV9
+ sparc_stx_imm (code, ins->sreg1, sparc_sp, offset);
+ sparc_lddf_imm (code, sparc_sp, offset, FP_SCRATCH_REG);
+ sparc_fxtos (code, FP_SCRATCH_REG, FP_SCRATCH_REG);
+#else
+ sparc_st_imm (code, ins->sreg1, sparc_sp, offset);
+ sparc_ldf_imm (code, sparc_sp, offset, FP_SCRATCH_REG);
+ sparc_fitos (code, FP_SCRATCH_REG, FP_SCRATCH_REG);
+#endif
+ sparc_fstod (code, FP_SCRATCH_REG, ins->dreg);
break;
- case CEE_CONV_R8:
- NOT_IMPLEMENTED;
+ }
+ case CEE_CONV_R8: {
+ gint32 offset = mono_spillvar_offset_float (cfg, 0);
+ if (!sparc_is_imm13 (offset))
+ NOT_IMPLEMENTED;
+#ifdef SPARCV9
+ sparc_stx_imm (code, ins->sreg1, sparc_sp, offset);
+ sparc_lddf_imm (code, sparc_sp, offset, FP_SCRATCH_REG);
+ sparc_fxtod (code, FP_SCRATCH_REG, ins->dreg);
+#else
+ sparc_st_imm (code, ins->sreg1, sparc_sp, offset);
+ sparc_ldf_imm (code, sparc_sp, offset, FP_SCRATCH_REG);
+ sparc_fitod (code, FP_SCRATCH_REG, ins->dreg);
+#endif
break;
+ }
case OP_FCONV_TO_I1:
- NOT_IMPLEMENTED;
- break;
case OP_FCONV_TO_U1:
- NOT_IMPLEMENTED;
- break;
case OP_FCONV_TO_I2:
- NOT_IMPLEMENTED;
- break;
case OP_FCONV_TO_U2:
- NOT_IMPLEMENTED;
- break;
- case OP_FCONV_TO_I4:
+#ifndef SPARCV9
case OP_FCONV_TO_I:
- sparc_fdtoi (code, ins->sreg1, sparc_f0);
- sparc_stdf_imm (code, sparc_f0, sparc_sp, cfg->stack_offset - 8);
- sparc_ld_imm (code, sparc_sp, cfg->stack_offset - 8, ins->dreg);
- break;
- case OP_FCONV_TO_U4:
case OP_FCONV_TO_U:
- NOT_IMPLEMENTED;
+#endif
+ case OP_FCONV_TO_I4:
+ case OP_FCONV_TO_U4: {
+ gint32 offset = mono_spillvar_offset_float (cfg, 0);
+ if (!sparc_is_imm13 (offset))
+ NOT_IMPLEMENTED;
+ sparc_fdtoi (code, ins->sreg1, FP_SCRATCH_REG);
+ sparc_stdf_imm (code, FP_SCRATCH_REG, sparc_sp, offset);
+ sparc_ld_imm (code, sparc_sp, offset, ins->dreg);
+
+ switch (ins->opcode) {
+ case OP_FCONV_TO_I1:
+ case OP_FCONV_TO_U1:
+ sparc_and_imm (code, 0, ins->dreg, 0xff, ins->dreg);
+ break;
+ case OP_FCONV_TO_I2:
+ case OP_FCONV_TO_U2:
+ sparc_set (code, 0xffff, sparc_o7);
+ sparc_and (code, 0, ins->dreg, sparc_o7, ins->dreg);
+ break;
+ default:
+ break;
+ }
break;
+ }
case OP_FCONV_TO_I8:
case OP_FCONV_TO_U8:
- NOT_IMPLEMENTED;
+ /* Emulated */
+ g_assert_not_reached ();
+ break;
+ case CEE_CONV_R_UN:
+ /* Emulated */
+ g_assert_not_reached ();
break;
case OP_LCONV_TO_R_UN: {
- NOT_IMPLEMENTED;
+ /* Emulated */
+ g_assert_not_reached ();
break;
}
case OP_LCONV_TO_OVF_I: {
sparc_nop (code);
label [0] = code;
- /* FIXME: throw exception */
+
+ EMIT_COND_SYSTEM_EXCEPTION (ins, sparc_ba, "OverflowException");
/* negative */
sparc_patch (br [0], code);
/* ms word must 0xfffffff */
sparc_cmp_imm (code, ins->sreg2, -1);
- sparc_branch (code, 1, sparc_bne, label [0]);
+ br [2] = code;
+ sparc_branch (code, 1, sparc_bne, 0);
+ sparc_nop (code);
+ sparc_patch (br [2], label [0]);
/* Ok */
sparc_patch (br [1], code);
sparc_fdivd (code, ins->sreg1, ins->sreg2, ins->dreg);
break;
case OP_FNEG:
+#ifdef SPARCV9
+ sparc_fnegd (code, ins->sreg1, ins->dreg);
+#else
+ /* FIXME: why don't use fnegd ? */
sparc_fnegs (code, ins->sreg1, ins->dreg);
+#endif
break;
case OP_FREM:
- sparc_fdivd (code, ins->sreg1, ins->sreg2, sparc_f0);
- sparc_fmuld (code, ins->sreg2, sparc_f0, sparc_f0);
- sparc_fsubd (code, ins->sreg1, sparc_f0, ins->dreg);
+ sparc_fdivd (code, ins->sreg1, ins->sreg2, FP_SCRATCH_REG);
+ sparc_fmuld (code, ins->sreg2, FP_SCRATCH_REG, FP_SCRATCH_REG);
+ sparc_fsubd (code, ins->sreg1, FP_SCRATCH_REG, ins->dreg);
break;
case OP_FCOMPARE:
sparc_fcmpd (code, ins->sreg1, ins->sreg2);
case OP_FBEQ:
case OP_FBLT:
case OP_FBGT:
- EMIT_FLOAT_COND_BRANCH (ins, opcode_to_sparc_cond (ins->opcode));
+ EMIT_FLOAT_COND_BRANCH (ins, opcode_to_sparc_cond (ins->opcode), 1, 1);
break;
case OP_FBGE: {
/* clt.un + brfalse */
sparc_fbranch (code, 1, sparc_fbul, 0);
/* delay slot */
sparc_nop (code);
- EMIT_FLOAT_COND_BRANCH (ins, sparc_fba);
- sparc_patch ((guint8*)p, (guint8*)code);
+ EMIT_FLOAT_COND_BRANCH (ins, sparc_fba, 1, 1);
+ sparc_patch (p, (guint8*)code);
break;
}
case OP_FBLE: {
sparc_fbranch (code, 1, sparc_fbug, 0);
/* delay slot */
sparc_nop (code);
- EMIT_FLOAT_COND_BRANCH (ins, sparc_fba);
- sparc_patch ((guint8*)p, (guint8*)code);
+ EMIT_FLOAT_COND_BRANCH (ins, sparc_fba, 1, 1);
+ sparc_patch (p, (guint8*)code);
break;
}
case OP_FBNE_UN:
- EMIT_FLOAT_COND_BRANCH (ins, sparc_fbne);
- EMIT_FLOAT_COND_BRANCH (ins, sparc_fbu);
+ EMIT_FLOAT_COND_BRANCH (ins, sparc_fbne, 1, 1);
+ EMIT_FLOAT_COND_BRANCH (ins, sparc_fbu, 1, 1);
break;
case OP_FBLT_UN:
- EMIT_FLOAT_COND_BRANCH (ins, sparc_fbl);
- EMIT_FLOAT_COND_BRANCH (ins, sparc_fbu);
+ EMIT_FLOAT_COND_BRANCH (ins, sparc_fbl, 1, 1);
+ EMIT_FLOAT_COND_BRANCH (ins, sparc_fbu, 1, 1);
break;
case OP_FBGT_UN:
- EMIT_FLOAT_COND_BRANCH (ins, sparc_fbg);
- EMIT_FLOAT_COND_BRANCH (ins, sparc_fbu);
+ EMIT_FLOAT_COND_BRANCH (ins, sparc_fbg, 1, 1);
+ EMIT_FLOAT_COND_BRANCH (ins, sparc_fbu, 1, 1);
break;
case OP_FBGE_UN:
- EMIT_FLOAT_COND_BRANCH (ins, sparc_fbge);
- EMIT_FLOAT_COND_BRANCH (ins, sparc_fbu);
+ EMIT_FLOAT_COND_BRANCH (ins, sparc_fbge, 1, 1);
+ EMIT_FLOAT_COND_BRANCH (ins, sparc_fbu, 1, 1);
break;
case OP_FBLE_UN:
- EMIT_FLOAT_COND_BRANCH (ins, sparc_fble);
- EMIT_FLOAT_COND_BRANCH (ins, sparc_fbu);
+ EMIT_FLOAT_COND_BRANCH (ins, sparc_fble, 1, 1);
+ EMIT_FLOAT_COND_BRANCH (ins, sparc_fbu, 1, 1);
break;
case CEE_CKFINITE: {
- NOT_IMPLEMENTED;
+ gint32 offset = mono_spillvar_offset_float (cfg, 0);
+ if (!sparc_is_imm13 (offset))
+ NOT_IMPLEMENTED;
+ sparc_stdf_imm (code, ins->sreg1, sparc_sp, offset);
+ sparc_lduh_imm (code, sparc_sp, offset, sparc_o7);
+ sparc_srl_imm (code, sparc_o7, 4, sparc_o7);
+ sparc_and_imm (code, FALSE, sparc_o7, 2047, sparc_o7);
+ sparc_cmp_imm (code, sparc_o7, 2047);
+ EMIT_COND_SYSTEM_EXCEPTION (ins, sparc_be, "ArithmeticException");
+#ifdef SPARCV9
+ sparc_fmovd (code, ins->sreg1, ins->dreg);
+#else
+ sparc_fmovs (code, ins->sreg1, ins->dreg);
+ sparc_fmovs (code, ins->sreg1 + 1, ins->dreg + 1);
+#endif
break;
}
default:
+#ifdef __GNUC__
g_warning ("unknown opcode %s in %s()\n", mono_inst_name (ins->opcode), __FUNCTION__);
+#else
+ g_warning ("%s:%d: unknown opcode %s\n", __FILE__, __LINE__, mono_inst_name (ins->opcode));
+#endif
g_assert_not_reached ();
}
- if ((cfg->opt & MONO_OPT_BRANCH) && (((guint8*)code - cfg->native_code - offset) > max_len)) {
+ if ((((guint8*)code) - code_start) > max_len) {
g_warning ("wrong maximal instruction length of instruction %s (expected %d, got %d)",
- mono_inst_name (ins->opcode), max_len, (guint8*)code - cfg->native_code - offset);
+ mono_inst_name (ins->opcode), max_len, ((guint8*)code) - code_start);
g_assert_not_reached ();
}
cpos += max_len;
last_ins = ins;
- last_offset = offset;
ins = ins->next;
}
void
mono_arch_register_lowlevel_calls (void)
{
- mono_register_jit_icall (enter_method, "mono_enter_method", NULL, TRUE);
- mono_register_jit_icall (leave_method, "mono_leave_method", NULL, TRUE);
+ mono_register_jit_icall (mono_sparc_break, "mono_sparc_break", NULL, TRUE);
+ mono_register_jit_icall (mono_arch_get_lmf_addr, "mono_arch_get_lmf_addr", NULL, TRUE);
}
void
/* FIXME: Move part of this to arch independent code */
for (patch_info = ji; patch_info; patch_info = patch_info->next) {
unsigned char *ip = patch_info->ip.i + code;
- const unsigned char *target = NULL;
-
- switch (patch_info->type) {
- case MONO_PATCH_INFO_BB:
- target = patch_info->data.bb->native_offset + code;
- break;
- case MONO_PATCH_INFO_ABS:
- target = patch_info->data.target;
- break;
- case MONO_PATCH_INFO_LABEL:
- target = patch_info->data.inst->inst_c0 + code;
- break;
- case MONO_PATCH_INFO_IP:
- *((gpointer *)(ip)) = ip;
- continue;
- case MONO_PATCH_INFO_METHOD_REL:
- NOT_IMPLEMENTED;
- *((gpointer *)(ip)) = code + patch_info->data.offset;
- continue;
- case MONO_PATCH_INFO_INTERNAL_METHOD: {
- MonoJitICallInfo *mi = mono_find_jit_icall_by_name (patch_info->data.name);
- if (!mi) {
- g_warning ("unknown MONO_PATCH_INFO_INTERNAL_METHOD %s", patch_info->data.name);
- g_assert_not_reached ();
- }
- target = mono_icall_get_wrapper (mi);
- break;
- }
- case MONO_PATCH_INFO_METHOD_JUMP: {
- GSList *list;
-
- /* get the trampoline to the method from the domain */
- target = mono_arch_create_jump_trampoline (patch_info->data.method);
- if (!domain->jump_target_hash)
- domain->jump_target_hash = g_hash_table_new (NULL, NULL);
- list = g_hash_table_lookup (domain->jump_target_hash, patch_info->data.method);
- list = g_slist_prepend (list, ip);
- g_hash_table_insert (domain->jump_target_hash, patch_info->data.method, list);
- break;
- }
- case MONO_PATCH_INFO_METHOD:
- if (patch_info->data.method == method) {
- target = code;
- } else
- /* get the trampoline to the method from the domain */
- target = mono_arch_create_jit_trampoline (patch_info->data.method);
- break;
- case MONO_PATCH_INFO_SWITCH: {
- guint32 *p = (guint32*)ip;
- gpointer *jump_table = mono_mempool_alloc (domain->code_mp, sizeof (gpointer) * patch_info->table_size);
- int i;
+ gpointer target;
- target = jump_table;
+ target = mono_resolve_patch_target (method, domain, code, patch_info, run_cctors);
- for (i = 0; i < patch_info->table_size; i++) {
- jump_table [i] = code + (int)patch_info->data.table [i];
- }
- break;
- }
- case MONO_PATCH_INFO_METHODCONST:
- case MONO_PATCH_INFO_CLASS:
- case MONO_PATCH_INFO_IMAGE:
- case MONO_PATCH_INFO_FIELD:
- NOT_IMPLEMENTED;
- *((gconstpointer *)(ip + 1)) = patch_info->data.target;
- continue;
- case MONO_PATCH_INFO_IID:
- NOT_IMPLEMENTED;
- mono_class_init (patch_info->data.klass);
- *((guint32 *)(ip + 1)) = patch_info->data.klass->interface_id;
- continue;
- case MONO_PATCH_INFO_VTABLE:
- NOT_IMPLEMENTED;
- *((gconstpointer *)(ip + 1)) = mono_class_vtable (domain, patch_info->data.klass);
+ switch (patch_info->type) {
+ case MONO_PATCH_INFO_NONE:
continue;
case MONO_PATCH_INFO_CLASS_INIT: {
+ guint32 *ip2 = (guint32*)ip;
/* Might already been changed to a nop */
- target = mono_create_class_init_trampoline (mono_class_vtable (domain, patch_info->data.klass));
- break;
- }
- case MONO_PATCH_INFO_SFLDA: {
- MonoVTable *vtable = mono_class_vtable (domain, patch_info->data.field->parent);
- if (!vtable->initialized && !(vtable->klass->flags & TYPE_ATTRIBUTE_BEFORE_FIELD_INIT) && mono_class_needs_cctor_run (vtable->klass, method))
- /* Done by the generated code */
- ;
- else {
- if (run_cctors)
- mono_runtime_class_init (vtable);
- }
- NOT_IMPLEMENTED;
- *((gconstpointer *)(ip + 1)) =
- (char*)vtable->data + patch_info->data.field->offset;
- continue;
- }
- case MONO_PATCH_INFO_R4: {
- float *f = g_new0 (float, 1);
- *f = *(float*)patch_info->data.target;
- target = f;
+#ifdef SPARCV9
+ sparc_set_template (ip2, sparc_o7);
+ sparc_jmpl (ip2, sparc_o7, sparc_g0, sparc_o7);
+#else
+ sparc_call_simple (ip2, 0);
+#endif
break;
}
- case MONO_PATCH_INFO_R8: {
- double *d = g_new0 (double, 1);
- *d = *(double*)patch_info->data.target;
- target = d;
+ case MONO_PATCH_INFO_METHOD_JUMP: {
+ guint32 *ip2 = (guint32*)ip;
+ /* Might already been patched */
+ sparc_set_template (ip2, sparc_o7);
break;
}
- case MONO_PATCH_INFO_EXC_NAME:
- NOT_IMPLEMENTED;
- *((gconstpointer *)(ip + 1)) = patch_info->data.name;
- continue;
- case MONO_PATCH_INFO_LDSTR:
- NOT_IMPLEMENTED;
- *((gconstpointer *)(ip + 1)) =
- mono_ldstr (domain, patch_info->data.token->image,
- mono_metadata_token_index (patch_info->data.token->token));
- continue;
- case MONO_PATCH_INFO_TYPE_FROM_HANDLE: {
- gpointer handle;
- MonoClass *handle_class;
-
- handle = mono_ldtoken (patch_info->data.token->image,
- patch_info->data.token->token, &handle_class);
- mono_class_init (handle_class);
- mono_class_init (mono_class_from_mono_type (handle));
-
- NOT_IMPLEMENTED;
- *((gconstpointer *)(ip + 1)) =
- mono_type_get_object (domain, handle);
- continue;
- }
- case MONO_PATCH_INFO_LDTOKEN: {
- gpointer handle;
- MonoClass *handle_class;
-
- handle = mono_ldtoken (patch_info->data.token->image,
- patch_info->data.token->token, &handle_class);
- mono_class_init (handle_class);
-
- NOT_IMPLEMENTED;
- *((gconstpointer *)(ip + 1)) = handle;
- continue;
- }
default:
- g_assert_not_reached ();
+ break;
}
- sparc_patch (ip, target);
+ sparc_patch ((guint32*)ip, target);
}
}
-/*
- * Allow tracing to work with this interface (with an optional argument)
- */
-
-/*
- * This may be needed on some archs or for debugging support.
- */
-void
-mono_arch_instrument_mem_needs (MonoMethod *method, int *stack, int *code)
-{
- /* no stack room needed now (may be needed for FASTCALL-trace support) */
- *stack = 0;
- /* split prolog-epilog requirements? */
- *code = 256; /* max bytes needed: check this number */
-}
-
void*
mono_arch_instrument_prolog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments)
{
- int stack, code_size;
+ int i;
guint32 *code = (guint32*)p;
+ MonoMethodSignature *sig = mono_method_signature (cfg->method);
+ CallInfo *cinfo;
/* Save registers to stack */
- sparc_st_imm (code, sparc_i0, sparc_fp, 68);
- sparc_st_imm (code, sparc_i1, sparc_fp, 72);
- sparc_st_imm (code, sparc_i2, sparc_fp, 76);
- sparc_st_imm (code, sparc_i3, sparc_fp, 80);
- sparc_st_imm (code, sparc_i4, sparc_fp, 84);
+ for (i = 0; i < 6; ++i)
+ sparc_sti_imm (code, sparc_i0 + i, sparc_fp, ARGS_OFFSET + (i * sizeof (gpointer)));
+
+ cinfo = get_call_info (sig, FALSE);
+
+ /* Save float regs on V9, since they are caller saved */
+ for (i = 0; i < sig->param_count + sig->hasthis; ++i) {
+ ArgInfo *ainfo = cinfo->args + i;
+ gint32 stack_offset;
+
+ stack_offset = ainfo->offset + ARGS_OFFSET;
+
+ if (ainfo->storage == ArgInFloatReg) {
+ if (!sparc_is_imm13 (stack_offset))
+ NOT_IMPLEMENTED;
+ sparc_stf_imm (code, ainfo->reg, sparc_fp, stack_offset);
+ }
+ else if (ainfo->storage == ArgInDoubleReg) {
+ /* The offset is guaranteed to be aligned by the ABI rules */
+ sparc_stdf_imm (code, ainfo->reg, sparc_fp, stack_offset);
+ }
+ }
sparc_set (code, cfg->method, sparc_o0);
- sparc_mov_reg_reg (code, sparc_fp, sparc_o1);
+ sparc_add_imm (code, FALSE, sparc_fp, MONO_SPARC_STACK_BIAS, sparc_o1);
mono_add_patch_info (cfg, (guint8*)code-cfg->native_code, MONO_PATCH_INFO_ABS, func);
- sparc_sethi (code, 0, sparc_o7);
- sparc_jmpl_imm (code, sparc_o7, 0, sparc_callsite);
- sparc_nop (code);
+ EMIT_CALL ();
+
+ /* Restore float regs on V9 */
+ for (i = 0; i < sig->param_count + sig->hasthis; ++i) {
+ ArgInfo *ainfo = cinfo->args + i;
+ gint32 stack_offset;
- mono_arch_instrument_mem_needs (cfg->method, &stack, &code_size);
+ stack_offset = ainfo->offset + ARGS_OFFSET;
- g_assert ((code - (guint32*)p) <= (code_size * 4));
+ if (ainfo->storage == ArgInFloatReg) {
+ if (!sparc_is_imm13 (stack_offset))
+ NOT_IMPLEMENTED;
+ sparc_ldf_imm (code, sparc_fp, stack_offset, ainfo->reg);
+ }
+ else if (ainfo->storage == ArgInDoubleReg) {
+ /* The offset is guaranteed to be aligned by the ABI rules */
+ sparc_lddf_imm (code, sparc_fp, stack_offset, ainfo->reg);
+ }
+ }
+
+ g_free (cinfo);
return code;
}
void*
mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments)
{
- guchar *code = p;
- int arg_size = 0, save_mode = SAVE_NONE;
+ guint32 *code = (guint32*)p;
+ int save_mode = SAVE_NONE;
MonoMethod *method = cfg->method;
- int rtype = method->signature->ret->type;
-
-handle_enum:
- switch (rtype) {
+
+ switch (mono_type_get_underlying_type (mono_method_signature (method)->ret)->type) {
case MONO_TYPE_VOID:
/* special case string .ctor icall */
if (strcmp (".ctor", method->name) && method->klass == mono_defaults.string_class)
break;
case MONO_TYPE_I8:
case MONO_TYPE_U8:
+#ifdef SPARCV9
+ save_mode = SAVE_ONE;
+#else
save_mode = SAVE_TWO;
+#endif
break;
case MONO_TYPE_R4:
case MONO_TYPE_R8:
save_mode = SAVE_FP;
break;
case MONO_TYPE_VALUETYPE:
- if (method->signature->ret->data.klass->enumtype) {
- rtype = method->signature->ret->data.klass->enum_basetype->type;
- goto handle_enum;
- }
save_mode = SAVE_STRUCT;
break;
default:
switch (save_mode) {
case SAVE_TWO:
+ /* V8 only */
sparc_st_imm (code, sparc_i0, sparc_fp, 68);
sparc_st_imm (code, sparc_i0, sparc_fp, 72);
sparc_mov_reg_reg (code, sparc_i0, sparc_o1);
sparc_mov_reg_reg (code, sparc_i1, sparc_o2);
break;
case SAVE_ONE:
- sparc_st_imm (code, sparc_i0, sparc_fp, 68);
+ sparc_sti_imm (code, sparc_i0, sparc_fp, ARGS_OFFSET);
sparc_mov_reg_reg (code, sparc_i0, sparc_o1);
break;
case SAVE_FP:
- sparc_stdf (code, sparc_f0, sparc_fp, 72);
+#ifdef SPARCV9
+ sparc_stdf_imm (code, sparc_f0, sparc_fp, ARGS_OFFSET);
+#else
+ sparc_stdf_imm (code, sparc_f0, sparc_fp, 72);
sparc_ld_imm (code, sparc_fp, 72, sparc_o1);
- sparc_ld_imm (code, sparc_fp, 72, sparc_o2);
+ sparc_ld_imm (code, sparc_fp, 72 + 4, sparc_o2);
+#endif
break;
case SAVE_STRUCT:
+#ifdef SPARCV9
+ sparc_mov_reg_reg (code, sparc_i0, sparc_o1);
+#else
sparc_ld_imm (code, sparc_fp, 64, sparc_o1);
+#endif
break;
case SAVE_NONE:
default:
sparc_set (code, cfg->method, sparc_o0);
- mono_add_patch_info (cfg, (guint8*)code-cfg->native_code, MONO_PATCH_INFO_ABS, func);
- sparc_sethi (code, 0, sparc_o7);
- sparc_jmpl_imm (code, sparc_o7, 0, sparc_callsite);
- sparc_nop (code);
+ mono_add_patch_info (cfg, (guint8*)code - cfg->native_code, MONO_PATCH_INFO_ABS, func);
+ EMIT_CALL ();
/* Restore result */
sparc_ld_imm (code, sparc_fp, 72, sparc_i0);
break;
case SAVE_ONE:
- sparc_ld_imm (code, sparc_fp, 68, sparc_i0);
+ sparc_ldi_imm (code, sparc_fp, ARGS_OFFSET, sparc_i0);
break;
case SAVE_FP:
- sparc_lddf_imm (code, sparc_fp, 72, sparc_f0);
+ sparc_lddf_imm (code, sparc_fp, ARGS_OFFSET, sparc_f0);
break;
case SAVE_NONE:
default:
return code;
}
-int
-mono_arch_max_epilog_size (MonoCompile *cfg)
-{
- int exc_count = 0, max_epilog_size = 16 + 20*4;
- MonoJumpInfo *patch_info;
-
- if (cfg->method->save_lmf)
- max_epilog_size += 128;
-
- if (mono_jit_trace_calls != NULL)
- max_epilog_size += 50;
-
- if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
- max_epilog_size += 50;
-
- /* count the number of exception infos */
-
- for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
- if (patch_info->type == MONO_PATCH_INFO_EXC)
- exc_count++;
- }
-
- /*
- * make sure we have enough space for exceptions
- * 16 is the size of two push_imm instructions and a call
- */
- max_epilog_size += exc_count*16;
-
- return max_epilog_size;
-}
-
guint8 *
mono_arch_emit_prolog (MonoCompile *cfg)
{
MonoMethod *method = cfg->method;
- MonoBasicBlock *bb;
MonoMethodSignature *sig;
MonoInst *inst;
- int alloc_size, pos, max_offset, i;
- guint8 *code;
+ guint32 *code;
CallInfo *cinfo;
+ guint32 i, offset;
cfg->code_size = 256;
- code = cfg->native_code = g_malloc (cfg->code_size);
+ cfg->native_code = g_malloc (cfg->code_size);
+ code = (guint32*)cfg->native_code;
+
+ /* FIXME: Generate intermediate code instead */
+
+ offset = cfg->stack_offset;
+ offset += (16 * sizeof (gpointer)); /* register save area */
+#ifndef SPARCV9
+ offset += 4; /* struct/union return pointer */
+#endif
+
+ /* add parameter area size for called functions */
+ if (cfg->param_area < (6 * sizeof (gpointer)))
+ /* Reserve space for the first 6 arguments even if it is unused */
+ offset += 6 * sizeof (gpointer);
+ else
+ offset += cfg->param_area;
+
+ /* align the stack size */
+ offset = ALIGN_TO (offset, MONO_ARCH_FRAME_ALIGNMENT);
+
+ /*
+ * localloc'd memory is stored between the local variables (whose
+ * size is given by cfg->stack_offset), and between the space reserved
+ * by the ABI.
+ */
+ cfg->arch.localloc_offset = offset - cfg->stack_offset;
+
+ cfg->stack_offset = offset;
+
+#ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
+ /* Perform stack touching */
+ NOT_IMPLEMENTED;
+#endif
+
+ if (!sparc_is_imm13 (- cfg->stack_offset)) {
+ /* Can't use sparc_o7 here, since we're still in the caller's frame */
+ sparc_set (code, (- cfg->stack_offset), GP_SCRATCH_REG);
+ sparc_save (code, sparc_sp, GP_SCRATCH_REG, sparc_sp);
+ }
+ else
+ sparc_save_imm (code, sparc_sp, - cfg->stack_offset, sparc_sp);
- sparc_save_imm (code, sparc_sp, - cfg->stack_offset, sparc_sp);
+/*
+ if (strstr (cfg->method->name, "foo")) {
+ mono_add_patch_info (cfg, (guint8*)code - cfg->native_code, MONO_PATCH_INFO_ABS, mono_sparc_break);
+ sparc_call_simple (code, 0);
+ sparc_nop (code);
+ }
+*/
- sig = method->signature;
- pos = 0;
- if (sig->hasthis)
- pos ++;
+ sig = mono_method_signature (method);
cinfo = get_call_info (sig, FALSE);
- for (i = 0; i < sig->param_count; ++i) {
- ArgInfo *ainfo = cinfo->args + pos;
- guint32 stack_offset;
- inst = cfg->varinfo [pos];
+ /* Keep in sync with emit_load_volatile_arguments */
+ for (i = 0; i < sig->param_count + sig->hasthis; ++i) {
+ ArgInfo *ainfo = cinfo->args + i;
+ gint32 stack_offset;
+ MonoType *arg_type;
+ inst = cfg->varinfo [i];
+
+ if (sig->hasthis && (i == 0))
+ arg_type = &mono_defaults.object_class->byval_arg;
+ else
+ arg_type = sig->params [i - sig->hasthis];
- stack_offset = ainfo->offset + 68;
+ stack_offset = ainfo->offset + ARGS_OFFSET;
/* Save the split arguments so they will reside entirely on the stack */
if (ainfo->storage == ArgInSplitRegStack) {
sparc_st_imm (code, sparc_i5, inst->inst_basereg, stack_offset);
}
- if (sig->params [i]->type == MONO_TYPE_R8) {
+ if (!v64 && !arg_type->byref && (arg_type->type == MONO_TYPE_R8)) {
/* Save the argument to a dword aligned stack location */
/*
* stack_offset contains the offset of the argument on the stack.
}
else
if (ainfo->storage == ArgInSplitRegStack) {
+#ifdef SPARCV9
+ g_assert_not_reached ();
+#endif
if (stack_offset != inst->inst_offset) {
/* stack_offset is not dword aligned, so we need to make a copy */
sparc_st_imm (code, sparc_i5, inst->inst_basereg, inst->inst_offset);
}
else
if (ainfo->storage == ArgOnStackPair) {
+#ifdef SPARCV9
+ g_assert_not_reached ();
+#endif
if (stack_offset != inst->inst_offset) {
/* stack_offset is not dword aligned, so we need to make a copy */
sparc_ld_imm (code, sparc_fp, stack_offset, sparc_o7);
/* Argument in register, but need to be saved to stack */
if (!sparc_is_imm13 (stack_offset))
NOT_IMPLEMENTED;
- sparc_st_imm (code, sparc_i0 + ainfo->reg, inst->inst_basereg, stack_offset);
+ if ((stack_offset - ARGS_OFFSET) & 0x1)
+ sparc_stb_imm (code, sparc_i0 + ainfo->reg, inst->inst_basereg, stack_offset);
+ else
+ if ((stack_offset - ARGS_OFFSET) & 0x2)
+ sparc_sth_imm (code, sparc_i0 + ainfo->reg, inst->inst_basereg, stack_offset);
+ else
+ if ((stack_offset - ARGS_OFFSET) & 0x4)
+ sparc_st_imm (code, sparc_i0 + ainfo->reg, inst->inst_basereg, stack_offset);
+ else {
+ if (v64)
+ sparc_stx_imm (code, sparc_i0 + ainfo->reg, inst->inst_basereg, stack_offset);
+ else
+ sparc_st_imm (code, sparc_i0 + ainfo->reg, inst->inst_basereg, stack_offset);
+ }
}
else
- if ((ainfo->storage == ArgInIRegPair) && (inst->opcode != OP_REGVAR))
+ if ((ainfo->storage == ArgInIRegPair) && (inst->opcode != OP_REGVAR)) {
+#ifdef SPARCV9
NOT_IMPLEMENTED;
+#endif
+ /* Argument in regpair, but need to be saved to stack */
+ if (!sparc_is_imm13 (inst->inst_offset + 4))
+ NOT_IMPLEMENTED;
+ sparc_st_imm (code, sparc_i0 + ainfo->reg, inst->inst_basereg, inst->inst_offset);
+ sparc_st_imm (code, sparc_i0 + ainfo->reg + 1, inst->inst_basereg, inst->inst_offset + 4);
+ }
+ else if ((ainfo->storage == ArgInFloatReg) && (inst->opcode != OP_REGVAR)) {
+ if (!sparc_is_imm13 (stack_offset))
+ NOT_IMPLEMENTED;
+ sparc_stf_imm (code, ainfo->reg, inst->inst_basereg, inst->inst_offset);
+ }
+ else if ((ainfo->storage == ArgInDoubleReg) && (inst->opcode != OP_REGVAR)) {
+ /* The offset is guaranteed to be aligned by the ABI rules */
+ sparc_stdf_imm (code, ainfo->reg, inst->inst_basereg, inst->inst_offset);
+ }
+
+ if ((ainfo->storage == ArgInFloatReg) && (inst->opcode == OP_REGVAR)) {
+ /* Need to move into the a double precision register */
+ sparc_fstod (code, ainfo->reg, ainfo->reg - 1);
+ }
- pos++;
+ if ((ainfo->storage == ArgInSplitRegStack) || (ainfo->storage == ArgOnStack))
+ if (inst->opcode == OP_REGVAR)
+ /* FIXME: Load the argument into memory */
+ NOT_IMPLEMENTED;
}
g_free (cinfo);
+ if (cfg->method->save_lmf) {
+ gint32 lmf_offset = STACK_BIAS - cfg->arch.lmf_offset;
+
+ /* Save ip */
+ mono_add_patch_info (cfg, (guint8*)code - cfg->native_code, MONO_PATCH_INFO_IP, NULL);
+ sparc_set_template (code, sparc_o7);
+ sparc_sti_imm (code, sparc_o7, sparc_fp, lmf_offset + G_STRUCT_OFFSET (MonoLMF, ip));
+ /* Save sp */
+ sparc_sti_imm (code, sparc_sp, sparc_fp, lmf_offset + G_STRUCT_OFFSET (MonoLMF, sp));
+ /* Save fp */
+ sparc_sti_imm (code, sparc_fp, sparc_fp, lmf_offset + G_STRUCT_OFFSET (MonoLMF, ebp));
+ /* Save method */
+ /* FIXME: add a relocation for this */
+ sparc_set (code, cfg->method, sparc_o7);
+ sparc_sti_imm (code, sparc_o7, sparc_fp, lmf_offset + G_STRUCT_OFFSET (MonoLMF, method));
+
+ mono_add_patch_info (cfg, (guint8*)code - cfg->native_code, MONO_PATCH_INFO_INTERNAL_METHOD,
+ (gpointer)"mono_arch_get_lmf_addr");
+ EMIT_CALL ();
+
+ code = (guint32*)mono_sparc_emit_save_lmf (code, lmf_offset);
+ }
+
if (mono_jit_trace_calls != NULL && mono_trace_eval (method))
- code = mono_arch_instrument_prolog (cfg, enter_method, code, TRUE);
+ code = mono_arch_instrument_prolog (cfg, mono_trace_enter_method, code, TRUE);
- cfg->code_len = code - cfg->native_code;
+ cfg->code_len = (guint8*)code - cfg->native_code;
g_assert (cfg->code_len <= cfg->code_size);
- return code;
+ return (guint8*)code;
}
void
mono_arch_emit_epilog (MonoCompile *cfg)
{
- MonoJumpInfo *patch_info;
MonoMethod *method = cfg->method;
- int pos, i;
- guint8 *code;
+ guint32 *code;
+ int can_fold = 0;
+ int max_epilog_size = 16 + 20 * 4;
+
+ if (cfg->method->save_lmf)
+ max_epilog_size += 128;
+
+ if (mono_jit_trace_calls != NULL)
+ max_epilog_size += 50;
- code = cfg->native_code + cfg->code_len;
+ if (cfg->prof_options & MONO_PROFILE_ENTER_LEAVE)
+ max_epilog_size += 50;
- if (mono_jit_trace_calls != NULL && mono_trace_eval (method))
- code = mono_arch_instrument_epilog (cfg, leave_method, code, TRUE);
+ while (cfg->code_len + max_epilog_size > (cfg->code_size - 16)) {
+ cfg->code_size *= 2;
+ cfg->native_code = g_realloc (cfg->native_code, cfg->code_size);
+ mono_jit_stats.code_reallocs++;
+ }
- sparc_ret (code);
- sparc_restore_imm (code, sparc_g0, 0, sparc_g0);
+ code = (guint32*)(cfg->native_code + cfg->code_len);
-#if 0
+ if (mono_jit_trace_calls != NULL && mono_trace_eval (method))
+ code = mono_arch_instrument_epilog (cfg, mono_trace_leave_method, code, TRUE);
-
- pos = 0;
-
- if (method->save_lmf) {
- pos = -sizeof (MonoLMF);
+ if (cfg->method->save_lmf) {
+ gint32 lmf_offset = STACK_BIAS - cfg->arch.lmf_offset;
+
+ code = mono_sparc_emit_restore_lmf (code, lmf_offset);
}
- if (method->save_lmf) {
-#if 0
- /* ebx = previous_lmf */
- x86_pop_reg (code, X86_EBX);
- /* edi = lmf */
- x86_pop_reg (code, X86_EDI);
- /* *(lmf) = previous_lmf */
- x86_mov_membase_reg (code, X86_EDI, 0, X86_EBX, 4);
-
- /* discard method info */
- x86_pop_reg (code, X86_ESI);
-
- /* restore caller saved regs */
- x86_pop_reg (code, X86_EBP);
- x86_pop_reg (code, X86_ESI);
- x86_pop_reg (code, X86_EDI);
- x86_pop_reg (code, X86_EBX);
-#endif
+ /*
+ * The V8 ABI requires that calls to functions which return a structure
+ * return to %i7+12
+ */
+ if (!v64 && mono_method_signature (cfg->method)->pinvoke && MONO_TYPE_ISSTRUCT(mono_method_signature (cfg->method)->ret))
+ sparc_jmpl_imm (code, sparc_i7, 12, sparc_g0);
+ else
+ sparc_ret (code);
+
+ /* Only fold last instruction into the restore if the exit block has an in count of 1
+ and the previous block hasn't been optimized away since it may have an in count > 1 */
+ if (cfg->bb_exit->in_count == 1 && cfg->bb_exit->in_bb[0]->native_offset != cfg->bb_exit->native_offset)
+ can_fold = 1;
+
+ /* Try folding last instruction into the restore */
+ if (can_fold && (sparc_inst_op (code [-2]) == 0x2) && (sparc_inst_op3 (code [-2]) == 0x2) && sparc_inst_imm (code [-2]) && (sparc_inst_rd (code [-2]) == sparc_i0)) {
+ /* or reg, imm, %i0 */
+ int reg = sparc_inst_rs1 (code [-2]);
+ int imm = sparc_inst_imm13 (code [-2]);
+ code [-2] = code [-1];
+ code --;
+ sparc_restore_imm (code, reg, imm, sparc_o0);
+ }
+ else
+ if (can_fold && (sparc_inst_op (code [-2]) == 0x2) && (sparc_inst_op3 (code [-2]) == 0x2) && (!sparc_inst_imm (code [-2])) && (sparc_inst_rd (code [-2]) == sparc_i0)) {
+ /* or reg, reg, %i0 */
+ int reg1 = sparc_inst_rs1 (code [-2]);
+ int reg2 = sparc_inst_rs2 (code [-2]);
+ code [-2] = code [-1];
+ code --;
+ sparc_restore (code, reg1, reg2, sparc_o0);
}
+ else
+ sparc_restore_imm (code, sparc_g0, 0, sparc_g0);
+
+ cfg->code_len = (guint8*)code - cfg->native_code;
+
+ g_assert (cfg->code_len < cfg->code_size);
+
+}
- if (1 || cfg->flags & MONO_CFG_HAS_CALLS) {
- //ppc_lwz (code, sparc_l0, cfg->stack_usage + 8, cfg->frame_reg);
- //ppc_mtlr (code, sparc_l0);
+void
+mono_arch_emit_exceptions (MonoCompile *cfg)
+{
+ MonoJumpInfo *patch_info;
+ guint32 *code;
+ int nthrows = 0, i;
+ int exc_count = 0;
+ guint32 code_size;
+ MonoClass *exc_classes [16];
+ guint8 *exc_throw_start [16], *exc_throw_end [16];
+
+ /* Compute needed space */
+ for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
+ if (patch_info->type == MONO_PATCH_INFO_EXC)
+ exc_count++;
}
- //ppc_addic (code, ppc_sp, cfg->frame_reg, cfg->stack_usage);
- for (i = 13; i < 32; ++i) {
- if (cfg->used_int_regs & (1 << i)) {
- pos += 4;
- //ppc_lwz (code, i, -pos, cfg->frame_reg);
- }
+
+ /*
+ * make sure we have enough space for exceptions
+ */
+#ifdef SPARCV9
+ code_size = exc_count * (20 * 4);
+#else
+ code_size = exc_count * 24;
+#endif
+
+ while (cfg->code_len + code_size > (cfg->code_size - 16)) {
+ cfg->code_size *= 2;
+ cfg->native_code = g_realloc (cfg->native_code, cfg->code_size);
+ mono_jit_stats.code_reallocs++;
}
- //ppc_blr (code);
- /* add code to raise exceptions */
+ code = (guint32*)(cfg->native_code + cfg->code_len);
+
for (patch_info = cfg->patch_info; patch_info; patch_info = patch_info->next) {
switch (patch_info->type) {
- case MONO_PATCH_INFO_EXC:
- /*x86_patch (patch_info->ip.i + cfg->native_code, code);
- x86_push_imm (code, patch_info->data.target);
- x86_push_imm (code, patch_info->ip.i + cfg->native_code);
- patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
- patch_info->data.name = "throw_exception_by_name";
- patch_info->ip.i = code - cfg->native_code;
- x86_jump_code (code, 0);*/
+ case MONO_PATCH_INFO_EXC: {
+ MonoClass *exc_class;
+ guint32 *buf, *buf2;
+ guint32 throw_ip, type_idx;
+ gint32 disp;
+
+ sparc_patch ((guint32*)(cfg->native_code + patch_info->ip.i), code);
+
+ exc_class = mono_class_from_name (mono_defaults.corlib, "System", patch_info->data.name);
+ type_idx = exc_class->type_token - MONO_TOKEN_TYPE_DEF;
+ g_assert (exc_class);
+ throw_ip = patch_info->ip.i;
+
+ /* Find a throw sequence for the same exception class */
+ for (i = 0; i < nthrows; ++i)
+ if (exc_classes [i] == exc_class)
+ break;
+
+ if (i < nthrows) {
+ guint32 throw_offset = (((guint8*)exc_throw_end [i] - cfg->native_code) - throw_ip) >> 2;
+ if (!sparc_is_imm13 (throw_offset))
+ sparc_set32 (code, throw_offset, sparc_o1);
+
+ disp = (exc_throw_start [i] - (guint8*)code) >> 2;
+ g_assert (sparc_is_imm22 (disp));
+ sparc_branch (code, 0, sparc_ba, disp);
+ if (sparc_is_imm13 (throw_offset))
+ sparc_set32 (code, throw_offset, sparc_o1);
+ else
+ sparc_nop (code);
+ patch_info->type = MONO_PATCH_INFO_NONE;
+ }
+ else {
+ /* Emit the template for setting o1 */
+ buf = code;
+ if (sparc_is_imm13 (((((guint8*)code - cfg->native_code) - throw_ip) >> 2) - 8))
+ /* Can use a short form */
+ sparc_nop (code);
+ else
+ sparc_set_template (code, sparc_o1);
+ buf2 = code;
+
+ if (nthrows < 16) {
+ exc_classes [nthrows] = exc_class;
+ exc_throw_start [nthrows] = (guint8*)code;
+ }
+
+ /*
+ mono_add_patch_info (cfg, (guint8*)code - cfg->native_code, MONO_PATCH_INFO_ABS, mono_sparc_break);
+ EMIT_CALL();
+ */
+
+ /* first arg = type token */
+ /* Pass the type index to reduce the size of the sparc_set */
+ if (!sparc_is_imm13 (type_idx))
+ sparc_set32 (code, type_idx, sparc_o0);
+
+ /* second arg = offset between the throw ip and the current ip */
+ /* On sparc, the saved ip points to the call instruction */
+ disp = (((guint8*)code - cfg->native_code) - throw_ip) >> 2;
+ sparc_set32 (buf, disp, sparc_o1);
+ while (buf < buf2)
+ sparc_nop (buf);
+
+ if (nthrows < 16) {
+ exc_throw_end [nthrows] = (guint8*)code;
+ nthrows ++;
+ }
+
+ patch_info->data.name = "mono_arch_throw_corlib_exception";
+ patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
+ patch_info->ip.i = (guint8*)code - cfg->native_code;
+
+ EMIT_CALL ();
+
+ if (sparc_is_imm13 (type_idx)) {
+ /* Put it into the delay slot */
+ code --;
+ buf = code;
+ sparc_set32 (code, type_idx, sparc_o0);
+ g_assert (code - buf == 1);
+ }
+ }
break;
+ }
default:
/* do nothing */
break;
}
}
-#endif
- cfg->code_len = code - cfg->native_code;
+ cfg->code_len = (guint8*)code - cfg->native_code;
g_assert (cfg->code_len < cfg->code_size);
}
+gboolean lmf_addr_key_inited = FALSE;
+
+#ifdef MONO_SPARC_THR_TLS
+thread_key_t lmf_addr_key;
+#else
+pthread_key_t lmf_addr_key;
+#endif
+
+gpointer
+mono_arch_get_lmf_addr (void)
+{
+ /* This is perf critical so we bypass the IO layer */
+ /* The thr_... functions seem to be somewhat faster */
+#ifdef MONO_SPARC_THR_TLS
+ gpointer res;
+ thr_getspecific (lmf_addr_key, &res);
+ return res;
+#else
+ return pthread_getspecific (lmf_addr_key);
+#endif
+}
+
+#ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
+
+/*
+ * There seems to be no way to determine stack boundaries under solaris,
+ * so it's not possible to determine whenever a SIGSEGV is caused by stack
+ * overflow or not.
+ */
+#error "--with-sigaltstack=yes not supported on solaris"
+
+static void
+setup_stack (MonoJitTlsData *tls)
+{
+#ifdef __linux__
+ struct sigaltstack sa;
+#else
+ stack_t sigstk;
+#endif
+
+ /* Setup an alternate signal stack */
+ tls->signal_stack = mmap (0, SIGNAL_STACK_SIZE, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
+ tls->signal_stack_size = SIGNAL_STACK_SIZE;
+
+#ifdef __linux__
+ sa.ss_sp = tls->signal_stack;
+ sa.ss_size = SIGNAL_STACK_SIZE;
+ sa.ss_flags = 0;
+ g_assert (sigaltstack (&sa, NULL) == 0);
+#else
+ sigstk.ss_sp = tls->signal_stack;
+ sigstk.ss_size = SIGNAL_STACK_SIZE;
+ sigstk.ss_flags = 0;
+ g_assert (sigaltstack (&sigstk, NULL) == 0);
+#endif
+}
+
+#endif
+
void
mono_arch_setup_jit_tls_data (MonoJitTlsData *tls)
+{
+ if (!lmf_addr_key_inited) {
+ int res;
+
+ lmf_addr_key_inited = TRUE;
+
+#ifdef MONO_SPARC_THR_TLS
+ res = thr_keycreate (&lmf_addr_key, NULL);
+#else
+ res = pthread_key_create (&lmf_addr_key, NULL);
+#endif
+ g_assert (res == 0);
+
+ }
+
+#ifdef MONO_SPARC_THR_TLS
+ thr_setspecific (lmf_addr_key, &tls->lmf);
+#else
+ pthread_setspecific (lmf_addr_key, &tls->lmf);
+#endif
+
+#ifdef MONO_ARCH_SIGSEGV_ON_ALTSTACK
+ setup_stack (tls);
+#endif
+}
+
+void
+mono_arch_free_jit_tls_data (MonoJitTlsData *tls)
{
}
void
-mono_arch_emit_this_vret_args (MonoCompile *cfg, MonoCallInst *inst, int this_reg, int this_type, int vt_reg)
+mono_arch_emit_this_vret_args (MonoCompile *cfg, MonoCallInst *call, int this_reg, int this_type, int vt_reg)
{
+ int this_out_reg = sparc_o0;
+
+ if (vt_reg != -1) {
+#ifdef SPARCV9
+ MonoInst *ins;
+ MONO_INST_NEW (cfg, ins, OP_SETREG);
+ ins->sreg1 = vt_reg;
+ ins->dreg = mono_regstate_next_int (cfg->rs);
+ mono_bblock_add_inst (cfg->cbb, ins);
+
+ mono_call_inst_add_outarg_reg (call, ins->dreg, sparc_o0, FALSE);
+
+ this_out_reg = sparc_o1;
+#else
+ /* Set the 'struct/union return pointer' location on the stack */
+ MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STOREI4_MEMBASE_REG, sparc_sp, 64, vt_reg);
+#endif
+ }
+
/* add the this argument */
if (this_reg != -1) {
MonoInst *this;
MONO_INST_NEW (cfg, this, OP_SETREG);
this->type = this_type;
this->sreg1 = this_reg;
- this->dreg = sparc_o0;
+ this->dreg = mono_regstate_next_int (cfg->rs);
mono_bblock_add_inst (cfg->cbb, this);
- }
- if (vt_reg != -1) {
- /* Set the 'struct/union return pointer' location on the stack */
- MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STOREI4_MEMBASE_REG, sparc_sp, 64, vt_reg);
+ mono_call_inst_add_outarg_reg (call, this->dreg, this_out_reg, FALSE);
}
}
-gint
-mono_arch_get_opcode_for_method (MonoCompile *cfg, MonoMethod *cmethod, MonoMethodSignature *fsig, MonoInst **args)
+MonoInst*
+mono_arch_get_inst_for_method (MonoCompile *cfg, MonoMethod *cmethod, MonoMethodSignature *fsig, MonoInst **args)
{
- return -1;
+ return NULL;
}
-typedef struct {
- guint16 size;
- guint16 offset;
- guint8 pad;
-} MonoJitArgumentInfo;
-
/*
- * arch_get_argument_info:
+ * mono_arch_get_argument_info:
* @csig: a method signature
* @param_count: the number of parameters to consider
* @arg_info: an array to store the result infos
*
* Returns the size of the activation frame.
*/
-static int
-arch_get_argument_info (MonoMethodSignature *csig, int param_count, MonoJitArgumentInfo *arg_info)
+int
+mono_arch_get_argument_info (MonoMethodSignature *csig, int param_count, MonoJitArgumentInfo *arg_info)
{
- int k, frame_size = 0;
- int size, align, pad;
- int offset = 8;
+ int k, align;
CallInfo *cinfo;
ArgInfo *ainfo;
if (csig->hasthis) {
ainfo = &cinfo->args [0];
- arg_info [0].offset = 68 + ainfo->offset;
+ arg_info [0].offset = ARGS_OFFSET - MONO_SPARC_STACK_BIAS + ainfo->offset;
}
for (k = 0; k < param_count; k++) {
ainfo = &cinfo->args [k + csig->hasthis];
- arg_info [k + 1].offset = 68 + ainfo->offset;
+ arg_info [k + 1].offset = ARGS_OFFSET - MONO_SPARC_STACK_BIAS + ainfo->offset;
arg_info [k + 1].size = mono_type_size (csig->params [k], &align);
}
g_free (cinfo);
- /* FIXME: */
return 0;
}
-static int indent_level = 0;
-
-static void indent (int diff) {
- int v;
- if (diff < 0)
- indent_level += diff;
- v = indent_level;
- while (v-- > 0) {
- printf (". ");
- }
- if (diff > 0)
- indent_level += diff;
+gboolean
+mono_arch_print_tree (MonoInst *tree, int arity)
+{
+ return 0;
}
-static gboolean enable_trace = TRUE;
-
-static void
-enter_method (MonoMethod *method, char *ebp)
+MonoInst* mono_arch_get_domain_intrinsic (MonoCompile* cfg)
{
- int i, j;
- MonoClass *class;
- MonoObject *o;
- MonoJitArgumentInfo *arg_info;
- MonoMethodSignature *sig;
- char *fname;
-
- /* FIXME: move to arch independent code */
-
- if (!enable_trace)
- return;
-
- fname = mono_method_full_name (method, TRUE);
- indent (1);
- printf ("ENTER: %s(", fname);
- g_free (fname);
-
- if (((int)ebp & (MONO_ARCH_FRAME_ALIGNMENT - 1)) != 0) {
- g_error ("unaligned stack detected (%p)", ebp);
- }
-
- sig = method->signature;
-
- arg_info = alloca (sizeof (MonoJitArgumentInfo) * (sig->param_count + 1));
-
- arch_get_argument_info (sig, sig->param_count, arg_info);
-
- if (MONO_TYPE_ISSTRUCT (method->signature->ret)) {
- g_assert (!method->signature->ret->byref);
-
- printf ("VALUERET:%p, ", *((gpointer *)(ebp + 8)));
- }
-
- if (method->signature->hasthis) {
- gpointer *this = (gpointer *)(ebp + arg_info [0].offset);
- if (method->klass->valuetype) {
- printf ("value:%p, ", *this);
- } else {
- o = *((MonoObject **)this);
-
- if (o) {
- class = o->vtable->klass;
-
- if (class == mono_defaults.string_class) {
- printf ("this:[STRING:%p:%s], ", o, mono_string_to_utf8 ((MonoString *)o));
- } else {
- printf ("this:%p[%s.%s %s], ", o, class->name_space, class->name, o->vtable->domain->friendly_name);
- }
- } else
- printf ("this:NULL, ");
- }
- }
-
- for (i = 0; i < method->signature->param_count; ++i) {
- gpointer *cpos = (gpointer *)(ebp + arg_info [i + 1].offset);
- int size = arg_info [i + 1].size;
-
- MonoType *type = method->signature->params [i];
-
- if (type->byref) {
- printf ("[BYREF:%p], ", *cpos);
- } else switch (type->type) {
-
- case MONO_TYPE_I:
- case MONO_TYPE_U:
- printf ("%p, ", (gpointer)*((int *)(cpos)));
- break;
- case MONO_TYPE_BOOLEAN:
- case MONO_TYPE_CHAR:
- case MONO_TYPE_I1:
- case MONO_TYPE_U1:
- case MONO_TYPE_I2:
- case MONO_TYPE_U2:
- case MONO_TYPE_I4:
- case MONO_TYPE_U4:
- printf ("%d, ", *((int *)(cpos)));
- break;
- case MONO_TYPE_STRING: {
- MonoString *s = *((MonoString **)cpos);
- if (s) {
- g_assert (((MonoObject *)s)->vtable->klass == mono_defaults.string_class);
- printf ("[STRING:%p:%s], ", s, mono_string_to_utf8 (s));
- } else
- printf ("[STRING:null], ");
- break;
- }
- case MONO_TYPE_CLASS:
- case MONO_TYPE_OBJECT: {
- o = *((MonoObject **)cpos);
- if (o) {
- class = o->vtable->klass;
-
- if (class == mono_defaults.string_class) {
- printf ("[STRING:%p:%s], ", o, mono_string_to_utf8 ((MonoString *)o));
- } else if (class == mono_defaults.int32_class) {
- printf ("[INT32:%p:%d], ", o, *(gint32 *)((char *)o + sizeof (MonoObject)));
- } else
- printf ("[%s.%s:%p], ", class->name_space, class->name, o);
- } else {
- printf ("%p, ", *((gpointer *)(cpos)));
- }
- break;
- }
- case MONO_TYPE_PTR:
- case MONO_TYPE_FNPTR:
- case MONO_TYPE_ARRAY:
- case MONO_TYPE_SZARRAY:
- printf ("%p, ", *((gpointer *)(cpos)));
- break;
- case MONO_TYPE_I8:
- case MONO_TYPE_U8:
- printf ("0x%016llx, ", *((gint64 *)(cpos)));
- break;
- case MONO_TYPE_R4:
- printf ("%f, ", *((float *)(cpos)));
- break;
- case MONO_TYPE_R8:
- printf ("%f, ", *((double *)(cpos)));
- break;
- case MONO_TYPE_VALUETYPE:
- printf ("[");
- for (j = 0; j < size; j++)
- printf ("%02x,", *((guint8*)cpos +j));
- printf ("], ");
- break;
- default:
- printf ("XX, ");
- }
- }
-
- printf (")\n");
+ return NULL;
}
-static void
-leave_method (MonoMethod *method, ...)
+MonoInst* mono_arch_get_thread_intrinsic (MonoCompile* cfg)
{
- MonoType *type;
- char *fname;
- va_list ap;
-
- if (!enable_trace)
- return;
-
- va_start(ap, method);
-
- fname = mono_method_full_name (method, TRUE);
- indent (-1);
- printf ("LEAVE: %s", fname);
- g_free (fname);
-
- type = method->signature->ret;
-
-handle_enum:
- switch (type->type) {
- case MONO_TYPE_VOID:
- break;
- case MONO_TYPE_BOOLEAN: {
- int eax = va_arg (ap, int);
- if (eax)
- printf ("TRUE:%d", eax);
- else
- printf ("FALSE");
-
- break;
- }
- case MONO_TYPE_CHAR:
- case MONO_TYPE_I1:
- case MONO_TYPE_U1:
- case MONO_TYPE_I2:
- case MONO_TYPE_U2:
- case MONO_TYPE_I4:
- case MONO_TYPE_U4:
- case MONO_TYPE_I:
- case MONO_TYPE_U: {
- int eax = va_arg (ap, int);
- printf ("RES=%d (0x%x)", eax, eax);
- break;
- }
- case MONO_TYPE_STRING: {
- MonoString *s = va_arg (ap, MonoString *);
-;
- if (s) {
- g_assert (((MonoObject *)s)->vtable->klass == mono_defaults.string_class);
- printf ("[STRING:%p:%s]", s, mono_string_to_utf8 (s));
- } else
- printf ("[STRING:null], ");
- break;
- }
- case MONO_TYPE_CLASS:
- case MONO_TYPE_OBJECT: {
- MonoObject *o = va_arg (ap, MonoObject *);
-
- if (o) {
- if (o->vtable->klass == mono_defaults.boolean_class) {
- printf ("[BOOLEAN:%p:%d]", o, *((guint8 *)o + sizeof (MonoObject)));
- } else if (o->vtable->klass == mono_defaults.int32_class) {
- printf ("[INT32:%p:%d]", o, *((gint32 *)((char *)o + sizeof (MonoObject))));
- } else if (o->vtable->klass == mono_defaults.int64_class) {
- printf ("[INT64:%p:%lld]", o, *((gint64 *)((char *)o + sizeof (MonoObject))));
- } else
- printf ("[%s.%s:%p]", o->vtable->klass->name_space, o->vtable->klass->name, o);
- } else
- printf ("[OBJECT:%p]", o);
-
- break;
- }
- case MONO_TYPE_PTR:
- case MONO_TYPE_FNPTR:
- case MONO_TYPE_ARRAY:
- case MONO_TYPE_SZARRAY: {
- gpointer p = va_arg (ap, gpointer);
- printf ("EAX=%p", p);
- break;
- }
- case MONO_TYPE_I8: {
- gint64 l = va_arg (ap, gint64);
- printf ("EAX/EDX=0x%16llx", l);
- break;
- }
- case MONO_TYPE_U8: {
- gint64 l = va_arg (ap, gint64);
- printf ("EAX/EDX=0x%16llx", l);
- break;
- }
- case MONO_TYPE_R8: {
- double f = va_arg (ap, double);
- printf ("FP=%f\n", f);
- break;
- }
- case MONO_TYPE_VALUETYPE:
- if (type->data.klass->enumtype) {
- type = type->data.klass->enum_basetype;
- goto handle_enum;
- } else {
- guint8 *p = va_arg (ap, gpointer);
- int j, size, align;
- size = mono_type_size (type, &align);
- printf ("[");
- for (j = 0; p && j < size; j++)
- printf ("%02x,", p [j]);
- printf ("]");
- }
- break;
- default:
- printf ("(unknown return type %x)", method->signature->ret->type);
- }
-
- printf ("\n");
+ return NULL;
}
-