/* D e f i n e s */
/*------------------------------------------------------------------*/
-#define EMIT_COND_BRANCH(ins,cond) \
-{ \
+#define MAX_ARCH_DELEGATE_PARAMS 7
+
+#define EMIT_COND_BRANCH(ins,cond) \
+{ \
if (ins->inst_true_bb->native_offset) { \
int displace; \
displace = ((cfg->native_code + \
} \
}
-#define EMIT_UNCOND_BRANCH(ins) \
-{ \
+#define EMIT_UNCOND_BRANCH(ins) \
+{ \
if (ins->inst_target_bb->native_offset) { \
int displace; \
displace = ((cfg->native_code + \
#define MONO_EMIT_NEW_MOVE(cfg,dest,offset,src,imm,size) do { \
MonoInst *inst; \
- int tmpr = 0; \
int sReg, dReg; \
- MONO_INST_NEW (cfg, inst, OP_NOP); \
+ MONO_INST_NEW (cfg, inst, OP_NOP); \
if (size > 256) { \
- tmpr = mono_alloc_preg (cfg); \
- MONO_EMIT_NEW_ICONST(cfg,tmpr,size); \
inst->dreg = dest; \
inst->inst_offset = offset; \
inst->sreg1 = src; \
inst->inst_imm = imm; \
- inst->sreg2 = tmpr; \
} else { \
if (s390_is_uimm12(offset)) { \
inst->dreg = dest; \
inst->inst_offset = offset; \
} else { \
- dReg = mono_alloc_preg (cfg); \
+ dReg = mono_alloc_preg (cfg); \
MONO_EMIT_NEW_BIALU_IMM(cfg, OP_ADD_IMM, \
dReg, dest, offset); \
inst->dreg = dReg; \
inst->sreg1 = src; \
inst->inst_imm = imm; \
} else { \
- sReg = mono_alloc_preg (cfg); \
+ sReg = mono_alloc_preg (cfg); \
MONO_EMIT_NEW_BIALU_IMM(cfg, OP_ADD_IMM, \
sReg, src, imm); \
inst->sreg1 = sReg; \
inst->inst_imm = 0; \
} \
} \
- inst->opcode = OP_S390_MOVE; \
- inst->backend.size = size; \
- MONO_ADD_INS (cfg->cbb, inst); \
+ inst->opcode = OP_S390_MOVE; \
+ inst->backend.size = size; \
+ MONO_ADD_INS (cfg->cbb, inst); \
} while (0)
#define MONO_OUTPUT_VTR(cfg, size, dr, sr, so) do { \
reg, sr, so); \
break; \
} \
- mono_call_inst_add_outarg_reg(cfg, call, reg, dr, FALSE); \
+ mono_call_inst_add_outarg_reg(cfg, call, reg, dr, FALSE); \
} while (0)
#define MONO_OUTPUT_VTS(cfg, size, dr, dx, sr, so) do { \
dr, dx, tmpr); \
break; \
case 2: \
- tmpr = mono_alloc_preg (cfg); \
+ tmpr = mono_alloc_preg (cfg); \
MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU2_MEMBASE, \
tmpr, sr, so); \
MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
dr, dx, tmpr); \
break; \
case 4: \
- tmpr = mono_alloc_preg (cfg); \
+ tmpr = mono_alloc_preg (cfg); \
MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADI4_MEMBASE, \
tmpr, sr, so); \
MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
#define S390_TRACE_STACK_SIZE (5*sizeof(gpointer)+4*sizeof(gdouble))
+#define BREAKPOINT_SIZE sizeof(breakpoint_t)
+#define S390X_NOP_SIZE sizeof(I_Format)
+
#define MAX(a, b) ((a) > (b) ? (a) : (b))
+/*
+ * imt thunking size values
+ */
+#define CMP_SIZE 24
+#define LOADCON_SIZE 20
+#define LOAD_SIZE 6
+#define BR_SIZE 2
+#define JUMP_SIZE 6
+#define ENABLE_WRONG_METHOD_CHECK 0
+
/*========================= End of Defines =========================*/
/*------------------------------------------------------------------*/
#include <mono/metadata/debug-helpers.h>
#include <mono/metadata/profiler-private.h>
#include <mono/utils/mono-math.h>
+#include <mono/utils/mono-mmap.h>
#include "mini-s390x.h"
#include "cpu-s390x.h"
#include "jit-icalls.h"
#include "ir-emit.h"
+#include "trace.h"
/*========================= End of Includes ========================*/
ArgInfo ret;
ArgInfo sigCookie;
size_data sz;
+ int vret_arg_index;
ArgInfo args [1];
} CallInfo;
gdouble fp[3]; /* F0-F2 */
} __attribute__ ((packed)) RegParm;
+typedef struct {
+ RR_Format basr;
+ RI_Format j;
+ void *pTrigger;
+ RXY_Format lg;
+ RXY_Format trigger;
+} __attribute__ ((packed)) breakpoint_t;
+
/*========================= End of Typedefs ========================*/
/*------------------------------------------------------------------*/
static inline void add_float (guint *, size_data *, ArgInfo *);
static CallInfo * get_call_info (MonoCompile *, MonoMemPool *, MonoMethodSignature *, gboolean);
static guchar * emit_float_to_int (MonoCompile *, guchar *, int, int, int, gboolean);
-gpointer mono_arch_get_lmf_addr (void);
static guint8 * emit_load_volatile_arguments (guint8 *, MonoCompile *);
static void catch_SIGILL(int, siginfo_t *, void *);
+static __inline__ void emit_unwind_regs(MonoCompile *, guint8 *, int, int, long);
/*========================= End of Prototypes ======================*/
int has_ld = 0;
-static gboolean tls_offset_inited = FALSE;
-
-static int appdomain_tls_offset = -1,
- thread_tls_offset = -1;
+static gint appdomain_tls_offset = -1,
+ lmf_tls_offset = -1,
+ lmf_addr_tls_offset = -1;
pthread_key_t lmf_addr_key;
gboolean lmf_addr_key_inited = FALSE;
+facilityList_t facs;
+
#if 0
extern __thread MonoDomain *tls_appdomain;
#endif
+/*
+ * The code generated for sequence points reads from this location,
+ * which is made read-only when single stepping is enabled.
+ */
+static gpointer ss_trigger_page;
+
+/*
+ * Enabled breakpoints read from this trigger page
+ */
+static gpointer bp_trigger_page;
+
+breakpoint_t breakpointCode;
+
/*====================== End of Global Variables ===================*/
/*------------------------------------------------------------------*/
/*------------------------------------------------------------------*/
int
-mono_arch_get_argument_info (MonoMethodSignature *csig,
+mono_arch_get_argument_info (MonoGenericSharingContext *gsctx, MonoMethodSignature *csig,
int param_count,
MonoJitArgumentInfo *arg_info)
{
/*========================= End of Function ========================*/
+/*------------------------------------------------------------------*/
+/* */
+/* Name - emit_unwind_regs. */
+/* */
+/* Function - Determines if a value can be returned in one or */
+/* two registers. */
+/* */
+/*------------------------------------------------------------------*/
+
+static void __inline__
+emit_unwind_regs(MonoCompile *cfg, guint8 *code, int start, int end, long offset)
+{
+ int i;
+
+ for (i = start; i < end; i++) {
+ mono_emit_unwind_op_offset (cfg, code, i, offset);
+ offset += sizeof(gulong);
+ }
+}
+
+/*========================= End of Function ========================*/
+
/*------------------------------------------------------------------*/
/* */
/* Name - retFitsInReg. */
{
int stackSize = cfg->stack_usage;
+ if (cfg->frame_reg != STK_BASE)
+ s390_lgr (code, STK_BASE, cfg->frame_reg);
+
if (s390_is_imm16 (stackSize)) {
s390_aghi (code, STK_BASE, stackSize);
} else {
/*========================= End of Function ========================*/
+/*------------------------------------------------------------------*/
+/* */
+/* Name - cvtMonoType */
+/* */
+/* Function - Convert a mono-type to a string. */
+/* */
+/*------------------------------------------------------------------*/
+
+static const char *
+cvtMonoType(MonoTypeEnum t)
+{
+ switch(t)
+ {
+ case MONO_TYPE_END:
+ return "MONO_TYPE_END";
+ case MONO_TYPE_VOID:
+ return "MONO_TYPE_VOID";
+ case MONO_TYPE_BOOLEAN:
+ return "MONO_TYPE_BOOLEAN";
+ case MONO_TYPE_CHAR:
+ return "MONO_TYPE_CHAR";
+ case MONO_TYPE_I1:
+ return "MONO_TYPE_I1";
+ case MONO_TYPE_U1:
+ return "MONO_TYPE_U1";
+ case MONO_TYPE_I2:
+ return "MONO_TYPE_I2";
+ case MONO_TYPE_U2:
+ return "MONO_TYPE_U2";
+ case MONO_TYPE_I4:
+ return "MONO_TYPE_I4";
+ case MONO_TYPE_U4:
+ return "MONO_TYPE_U4";
+ case MONO_TYPE_I8:
+ return "MONO_TYPE_I8";
+ case MONO_TYPE_U8:
+ return "MONO_TYPE_U8";
+ case MONO_TYPE_R4:
+ return "MONO_TYPE_R4";
+ case MONO_TYPE_R8:
+ return "MONO_TYPE_R8";
+ case MONO_TYPE_STRING:
+ return "MONO_TYPE_STRING";
+ case MONO_TYPE_PTR:
+ return "MONO_TYPE_PTR";
+ case MONO_TYPE_BYREF:
+ return "MONO_TYPE_BYREF";
+ case MONO_TYPE_VALUETYPE:
+ return "MONO_TYPE_VALUETYPE";
+ case MONO_TYPE_CLASS:
+ return "MONO_TYPE_CLASS";
+ case MONO_TYPE_VAR:
+ return "MONO_TYPE_VAR";
+ case MONO_TYPE_ARRAY:
+ return "MONO_TYPE_ARRAY";
+ case MONO_TYPE_GENERICINST:
+ return "MONO_TYPE_GENERICINST";
+ case MONO_TYPE_TYPEDBYREF:
+ return "MONO_TYPE_TYPEDBYREF";
+ case MONO_TYPE_I:
+ return "MONO_TYPE_I";
+ case MONO_TYPE_U:
+ return "MONO_TYPE_U";
+ case MONO_TYPE_FNPTR:
+ return "MONO_TYPE_FNPTR";
+ case MONO_TYPE_OBJECT:
+ return "MONO_TYPE_OBJECT";
+ case MONO_TYPE_SZARRAY:
+ return "MONO_TYPE_SZARRAY";
+ case MONO_TYPE_MVAR:
+ return "MONO_TYPE_MVAR";
+ case MONO_TYPE_CMOD_REQD:
+ return "MONO_TYPE_CMOD_REQD";
+ case MONO_TYPE_CMOD_OPT:
+ return "MONO_TYPE_CMOD_OPT";
+ case MONO_TYPE_INTERNAL:
+ return "MONO_TYPE_INTERNAL";
+ case MONO_TYPE_MODIFIER:
+ return "MONO_TYPE_MODIFIER";
+ case MONO_TYPE_SENTINEL:
+ return "MONO_TYPE_SENTINEL";
+ case MONO_TYPE_PINNED:
+ return "MONO_TYPE_PINNED";
+ default:
+ ;
+ }
+ return "unknown";
+}
+
+/*========================= End of Function ========================*/
+
/*------------------------------------------------------------------*/
/* */
/* Name - decodeParm */
printf("[VALUETYPE:");
for (i = 0; i < size; i++)
printf("%02x,", *((guint8 *)curParm+i));
- printf("]");
+ printf("], ");
break;
}
case MONO_TYPE_TYPEDBYREF: {
break;
}
default :
- printf("[?? - %d], ",simpleType);
+ printf("[%s], ",cvtMonoType(simpleType));
}
}
}
if (sig->hasthis) {
gpointer *this = (gpointer *) rParm->gr[iParm];
obj = (MonoObject *) this;
- if (method->klass->valuetype) {
+ switch(method->klass->this_arg.type) {
+ case MONO_TYPE_VALUETYPE:
if (obj) {
- printf("this:[value:%p:%016lx], ",
- this, *((guint64 *)(this+sizeof(MonoObject))));
+ guint64 *value = (guint64 *) ((uintptr_t)this + sizeof(MonoObject));
+ printf("this:[value:%p:%016lx], ", this, *value);
} else
printf ("this:[NULL], ");
- } else {
+ break;
+ case MONO_TYPE_STRING:
if (obj) {
- class = obj->vtable->klass;
- if (class == mono_defaults.string_class) {
- printf ("this:[STRING:%p:%s], ",
- obj, mono_string_to_utf8 ((MonoString *)obj));
- } else {
- printf ("this:%p[%s.%s], ",
- obj, class->name_space, class->name);
- }
+ if (obj->vtable) {
+ class = obj->vtable->klass;
+ if (class == mono_defaults.string_class) {
+ printf ("this:[STRING:%p:%s], ",
+ obj, mono_string_to_utf8 ((MonoString *)obj));
+ } else {
+ printf ("this:%p[%s.%s], ",
+ obj, class->name_space, class->name);
+ }
+ } else
+ printf("vtable:[NULL], ");
} else
- printf ("this:NULL, ");
+ printf ("this:[NULL], ");
+ break;
+ default :
+ printf("this[%s]: %p, ",cvtMonoType(method->klass->this_arg.type),this);
}
oParm++;
}
/*========================= End of Function ========================*/
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_init. */
+/* */
+/* Function - Initialize architecture specific code. */
+/* */
+/*------------------------------------------------------------------*/
-/*
- * Initialize architecture specific code.
- */
void
mono_arch_init (void)
{
+ guint8 *code;
+
+#if 0
+ /*
+ * When we do an architectural level set at z9 or better
+ * we can use the STFLE instruction to show us
+ * what hardware facilities are available
+ */
+ int lFacility = sizeof(facs) % 8;
+
+ memset((char *) &facs, 0, sizeof(facs));
+
+ __asm__ (" lgfr 0,%1\n"
+ " stfle %0\n"
+ : "=m" (facs) : "r" (lFacility) : "0", "cc");
+#endif
+
+ ss_trigger_page = mono_valloc (NULL, mono_pagesize (), MONO_MMAP_READ);
+ bp_trigger_page = mono_valloc (NULL, mono_pagesize (), MONO_MMAP_READ);
+ mono_mprotect (bp_trigger_page, mono_pagesize (), 0);
+
+ code = (guint8 *) &breakpointCode;
+ s390_basr(code, s390_r13, 0);
+ s390_j(code, 6);
+ s390_llong(code, 0);
+ s390_lg(code, s390_r13, 0, s390_r13, 4);
+ s390_lg(code, s390_r0, 0, s390_r13, 0);
}
-/*
- * Cleanup architecture specific code.
- */
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_cleanup. */
+/* */
+/* Function - Cleanup architecture specific code . */
+/* */
+/*------------------------------------------------------------------*/
+
void
mono_arch_cleanup (void)
{
}
+/*========================= End of Function ========================*/
+
/*------------------------------------------------------------------*/
/* */
-/* Name - mono_arch_cpu_optimizazions */
+/* Name - mono_arch_cpu_optimizations */
/* */
/* Function - Returns the optimizations supported on this CPU */
/* */
/*------------------------------------------------------------------*/
guint32
-mono_arch_cpu_optimizazions (guint32 *exclude_mask)
+mono_arch_cpu_optimizations (guint32 *exclude_mask)
{
guint32 opts = 0;
/*========================= End of Function ========================*/
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_cpu_enumerate_simd_versions */
+/* */
+/* Function - Returns the SIMD instruction sets on this CPU */
+/* */
+/*------------------------------------------------------------------*/
+guint32
+mono_arch_cpu_enumerate_simd_versions (void)
+{
+ /* SIMD is currently unimplemented */
+ return 0;
+}
+/*========================= End of Function ========================*/
+
/*------------------------------------------------------------------*/
/* */
/* Name - */
/*------------------------------------------------------------------*/
/* */
-/* Name - get_call_info */
+/* Name - get_call_info */
/* */
/* Function - Determine the amount of space required for code */
/* and stack. In addition determine starting points */
static CallInfo *
get_call_info (MonoCompile *cfg, MonoMemPool *mp, MonoMethodSignature *sig, gboolean is_pinvoke)
{
- guint i, fr, gr, size;
+ guint i, fr, gr, size, pstart;
int nParm = sig->hasthis + sig->param_count;
MonoType *ret_type;
guint32 simpletype, align;
sz->code_size = 0;
sz->parm_size = 0;
sz->local_size = 0;
+ align = 0;
+ size = 0;
/*----------------------------------------------------------*/
/* We determine the size of the return code/stack in case we*/
else
size = mono_class_value_size (klass, &align);
- cinfo->ret.reg = s390_r2;
cinfo->struct_ret = 1;
cinfo->ret.size = size;
cinfo->ret.vtsize = size;
- gr++;
break;
}
case MONO_TYPE_TYPEDBYREF:
size = sizeof (MonoTypedRef);
- cinfo->ret.reg = s390_r2;
cinfo->struct_ret = 1;
cinfo->ret.size = size;
cinfo->ret.vtsize = size;
- gr++;
break;
case MONO_TYPE_VOID:
break;
g_error ("Can't handle as return value 0x%x", sig->ret->type);
}
- if (sig->hasthis) {
- cinfo->args[nParm].size = sizeof(gpointer);
- add_general (&gr, sz, cinfo->args+nParm);
- nParm++;
+
+ pstart = 0;
+ /*
+ * To simplify get_this_arg_reg () and LLVM integration, emit the vret arg after
+ * the first argument, allowing 'this' to be always passed in the first arg reg.
+ * Also do this if the first argument is a reference type, since virtual calls
+ * are sometimes made using calli without sig->hasthis set, like in the delegate
+ * invoke wrappers.
+ */
+ if (cinfo->struct_ret && !is_pinvoke &&
+ (sig->hasthis ||
+ (sig->param_count > 0 &&
+ MONO_TYPE_IS_REFERENCE (mini_type_get_underlying_type (gsctx, sig->params [0]))))) {
+ if (sig->hasthis) {
+ cinfo->args[nParm].size = sizeof (gpointer);
+ add_general (&gr, sz, cinfo->args + nParm);
+ } else {
+ cinfo->args[nParm].size = sizeof (gpointer);
+ add_general (&gr, sz, &cinfo->args [sig->hasthis + nParm]);
+ pstart = 1;
+ }
+ nParm ++;
+ cinfo->vret_arg_index = 1;
+ cinfo->ret.reg = gr;
+ gr ++;
+ } else {
+ /* this */
+ if (sig->hasthis) {
+ cinfo->args[nParm].size = sizeof (gpointer);
+ add_general (&gr, sz, cinfo->args + nParm);
+ nParm ++;
+ }
+
+ if (cinfo->struct_ret) {
+ cinfo->ret.reg = gr;
+ gr ++;
+ }
+ }
+
+ if ((sig->call_convention == MONO_CALL_VARARG) && (sig->param_count == 0)) {
+ gr = S390_LAST_ARG_REG + 1;
+ fr = S390_LAST_FPARG_REG + 1;
+
+ /* Emit the signature cookie just before the implicit arguments */
+ add_general (&gr, sz, &cinfo->sigCookie);
}
/*----------------------------------------------------------*/
/* parameters. */
/*----------------------------------------------------------*/
- for (i = 0; i < sig->param_count; ++i) {
+ for (i = pstart; i < sig->param_count; ++i) {
MonoType *ptype;
/*--------------------------------------------------*/
if ((sig->call_convention == MONO_CALL_VARARG) &&
(i == sig->sentinelpos)) {
gr = S390_LAST_ARG_REG + 1;
+ fr = S390_LAST_FPARG_REG + 1;
add_general (&gr, sz, &cinfo->sigCookie);
}
/* Handle the case where there are no implicit arguments */
/*----------------------------------------------------------*/
if ((sig->call_convention == MONO_CALL_VARARG) &&
+ (nParm > 0) &&
+ (!sig->pinvoke) &&
(sig->param_count == sig->sentinelpos)) {
gr = S390_LAST_ARG_REG + 1;
+ fr = S390_LAST_FPARG_REG + 1;
add_general (&gr, sz, &cinfo->sigCookie);
}
/* to point at the local variables. */
/* add parameter area size for called functions */
/*--------------------------------------------------------------*/
- offset = (cfg->param_area + S390_MINIMAL_STACK_SIZE);
+ if (cfg->param_area == 0)
+ offset = S390_MINIMAL_STACK_SIZE;
+ else
+ offset = cfg->param_area;
+
cfg->sig_cookie = 0;
if (cinfo->struct_ret) {
size = sizeof (gpointer);
- inst->opcode = OP_REGOFFSET;
+ inst->opcode = OP_REGOFFSET;
inst->inst_basereg = frame_reg;
- offset = S390_ALIGN (offset, sizeof (gpointer));
- inst->inst_offset = offset;
+ offset = S390_ALIGN (offset, sizeof (gpointer));
+ inst->inst_offset = offset;
/* Add a level of indirection */
MONO_INST_NEW (cfg, indir, 0);
- *indir = *inst;
- inst->opcode = OP_VTARG_ADDR;
+ *indir = *inst;
+ inst->opcode = OP_VTARG_ADDR;
inst->inst_left = indir;
}
break;
case RegTypeStructByVal :
size = cinfo->args[iParm].size;
offset = S390_ALIGN(offset, size);
- inst->opcode = OP_REGOFFSET;
+ inst->opcode = OP_REGOFFSET;
inst->inst_basereg = frame_reg;
- inst->inst_offset = offset;
+ inst->inst_offset = offset;
break;
default :
if (cinfo->args [iParm].reg == STK_BASE) {
? sizeof(int)
: sizeof(long));
offset = S390_ALIGN(offset, size);
- inst->inst_offset = offset;
+ if (cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
+ inst->inst_offset = offset;
+ else
+ inst->inst_offset = offset + (8 - size);
}
break;
}
+#if 0
if ((sig->call_convention == MONO_CALL_VARARG) &&
(cinfo->args[iParm].regtype != RegTypeGeneral) &&
(iParm < sig->sentinelpos))
cfg->sig_cookie += size;
+printf("%s %4d cookine %x\n",__FUNCTION__,__LINE__,cfg->sig_cookie);
+#endif
- offset += size;
+ offset += MAX(size, 8);
}
curinst++;
}
+ cfg->locals_min_stack_offset = offset;
+
curinst = cfg->locals_start;
for (iVar = curinst; iVar < cfg->num_varinfo; ++iVar) {
inst = cfg->varinfo [iVar];
continue;
/*--------------------------------------------------*/
- /* inst->backend.is_pinvoke indicates native sized value types, */
- /* this is used by the pinvoke wrappers when they */
- /* call functions returning structure */
+ /* inst->backend.is_pinvoke indicates native sized */
+ /* value typs this is used by the pinvoke wrappers */
+ /* when they call functions returning structure */
/*--------------------------------------------------*/
if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype))
size = mono_class_native_size (mono_class_from_mono_type(inst->inst_vtype),
iVar, inst->inst_offset, size));
}
+ cfg->locals_max_stack_offset = offset;
+
/*------------------------------------------------------*/
/* Allow space for the trace method stack area if needed*/
/*------------------------------------------------------*/
/*------------------------------------------------------*/
cfg->stack_offset = S390_ALIGN(offset, S390_STACK_ALIGNMENT);
+ /*------------------------------------------------------*/
+ /* Fix offsets for args whose value is in parent frame */
+ /*------------------------------------------------------*/
+ for (iParm = sArg; iParm < eArg; ++iParm) {
+ inst = cfg->args [iParm];
+
+ if (inst->opcode == OP_S390_STKARG) {
+ inst->opcode = OP_REGOFFSET;
+ inst->inst_offset += cfg->stack_offset;
+ }
+ }
}
/*========================= End of Function ========================*/
/*------------------------------------------------------------------*/
/* */
-/* Name - mono_arch_create_vars */
+/* Name - mono_arch_create_vars */
+/* */
/*------------------------------------------------------------------*/
void
/*========================= End of Function ========================*/
+/*------------------------------------------------------------------*/
+/* */
+/* Name - add_outarg_reg2. */
+/* */
+/*------------------------------------------------------------------*/
+
static void
add_outarg_reg2 (MonoCompile *cfg, MonoCallInst *call, ArgStorage storage, int reg, MonoInst *tree)
{
}
}
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - emit_sig_cookie. */
+/* */
+/*------------------------------------------------------------------*/
+
static void
emit_sig_cookie (MonoCompile *cfg, MonoCallInst *call, CallInfo *cinfo)
{
MONO_ADD_INS (cfg->cbb, sig_arg);
MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STORE_MEMBASE_REG, STK_BASE,
- cinfo->sigCookie.offset, sig_arg->dreg);
+ cinfo->sigCookie.offset, sig_arg->dreg);
}
+/*========================= End of Function ========================*/
+
/*------------------------------------------------------------------*/
/* */
-/* Name - mono_arch_emit_call */
+/* Name - mono_arch_emit_call */
/* */
/*------------------------------------------------------------------*/
int i, n, lParamArea;
CallInfo *cinfo;
ArgInfo *ainfo = NULL;
- int stackSize;
+ int stackSize;
+ MonoMethodHeader *header;
+ int frmReg;
sig = call->signature;
n = sig->param_count + sig->hasthis;
cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
- stackSize = cinfo->sz.stack_size + cinfo->sz.local_size + cinfo->sz.parm_size + cinfo->sz.offset;
+ stackSize = cinfo->sz.stack_size + cinfo->sz.local_size +
+ cinfo->sz.parm_size + cinfo->sz.offset;
call->stack_usage = MAX(stackSize, call->stack_usage);
lParamArea = MAX((call->stack_usage-S390_MINIMAL_STACK_SIZE-cinfo->sz.parm_size), 0);
cfg->param_area = MAX(((signed) cfg->param_area), lParamArea);
mono_call_inst_add_outarg_reg (cfg, call, ins->dreg, cinfo->ret.reg, FALSE);
}
+ header = cfg->header;
+ if ((cfg->flags & MONO_CFG_HAS_ALLOCA) || header->num_clauses)
+ frmReg = s390_r11;
+ else
+ frmReg = STK_BASE;
+
for (i = 0; i < n; ++i) {
MonoType *t;
in = call->args [i];
if ((sig->call_convention == MONO_CALL_VARARG) &&
+ (!sig->pinvoke) &&
(i == sig->sentinelpos)) {
emit_sig_cookie (cfg, call, cinfo);
}
*/
int treg = mono_alloc_preg (cfg);
MONO_EMIT_NEW_BIALU_IMM (cfg, OP_ADD_IMM, treg,
- STK_BASE, ainfo->offparm);
+ frmReg, ainfo->offparm);
mono_call_inst_add_outarg_reg (cfg, call, treg, ainfo->reg, FALSE);
} else if (ainfo->regtype == RegTypeStructByAddrOnStack) {
/* The address of the valuetype is passed on the stack */
int treg = mono_alloc_preg (cfg);
MONO_EMIT_NEW_BIALU_IMM (cfg, OP_ADD_IMM, treg,
- STK_BASE, ainfo->offparm);
+ frmReg, ainfo->offparm);
MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STORE_MEMBASE_REG,
- ainfo->reg, ainfo->offset, treg);
+ ainfo->reg, ainfo->offset, treg);
+
+ if (cfg->compute_gc_maps) {
+ MonoInst *def;
+
+ EMIT_NEW_GC_PARAM_SLOT_LIVENESS_DEF (cfg, def, ainfo->offset, t);
+ }
}
break;
}
case RegTypeBase:
if (!t->byref && t->type == MONO_TYPE_R4) {
MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STORER4_MEMBASE_REG,
- STK_BASE, ainfo->offset + 4,
- in->dreg);
+ STK_BASE, ainfo->offset + 4,
+ in->dreg);
} else if (!t->byref && (t->type == MONO_TYPE_R8)) {
MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STORER8_MEMBASE_REG,
- STK_BASE, ainfo->offset,
- in->dreg);
+ STK_BASE, ainfo->offset,
+ in->dreg);
} else {
MONO_INST_NEW (cfg, ins, OP_STORE_MEMBASE_REG);
ins->inst_destbasereg = STK_BASE;
ins->inst_offset = ainfo->offset;
ins->sreg1 = in->dreg;
+#if 0
/* This is needed by MonoTypedRef->value to point to the correct data */
if ((sig->call_convention == MONO_CALL_VARARG) &&
(i >= sig->sentinelpos)) {
break;
}
}
+#endif
MONO_ADD_INS (cfg->cbb, ins);
}
* Handle the case where there are no implicit arguments
*/
if ((sig->call_convention == MONO_CALL_VARARG) &&
+ (!sig->pinvoke) &&
(i == sig->sentinelpos)) {
emit_sig_cookie (cfg, call, cinfo);
}
/*------------------------------------------------------------------*/
/* */
-/* Name - mono_arch_emit_outarg_vt */
+/* Name - mono_arch_emit_outarg_vt */
/* */
/*------------------------------------------------------------------*/
mono_call_inst_add_outarg_reg (cfg, call, dreg, ainfo->reg, TRUE);
} else {
- MONO_EMIT_NEW_MOVE (cfg, STK_BASE, ainfo->offparm,
+ MonoMethodHeader *header;
+ int srcReg;
+
+ header = mono_method_get_header (cfg->method);
+ if ((cfg->flags & MONO_CFG_HAS_ALLOCA) || header->num_clauses)
+ srcReg = s390_r11;
+ else
+ srcReg = STK_BASE;
+
+ MONO_EMIT_NEW_MOVE (cfg, srcReg, ainfo->offparm,
src->dreg, 0, size);
+
+ if (cfg->compute_gc_maps) {
+ MonoInst *def;
+
+ EMIT_NEW_GC_PARAM_SLOT_LIVENESS_DEF (cfg, def, ainfo->offset, &ins->klass->byval_arg);
+ }
}
}
+/*========================= End of Function ========================*/
+
/*------------------------------------------------------------------*/
/* */
-/* Name - mono_arch_emit_setret */
+/* Name - mono_arch_emit_setret */
/* */
/*------------------------------------------------------------------*/
/*========================= End of Function ========================*/
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_peephole_pass_1 */
+/* */
+/* Function - Form a peephole pass at the code looking for */
+/* simple optimizations. */
+/* */
+/*------------------------------------------------------------------*/
+
void
mono_arch_peephole_pass_1 (MonoCompile *cfg, MonoBasicBlock *bb)
{
}
+/*========================= End of Function ========================*/
+
/*------------------------------------------------------------------*/
/* */
-/* Name - mono_arch_peephole_pass */
+/* Name - mono_arch_peephole_pass_2 */
/* */
/* Function - Form a peephole pass at the code looking for */
/* simple optimizations. */
/*========================= End of Function ========================*/
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_lowering_pass. */
+/* */
+/*------------------------------------------------------------------*/
+
void
mono_arch_lowering_pass (MonoCompile *cfg, MonoBasicBlock *bb)
{
short *o[1];
s390_basr (code, s390_r13, 0);
s390_j (code, 10);
- s390_llong (code, 0x41e0000000000000);
- s390_llong (code, 0x41f0000000000000);
+ s390_llong (code, 0x41e0000000000000llu);
+ s390_llong (code, 0x41f0000000000000llu);
s390_ldr (code, s390_f15, sreg);
s390_cdb (code, s390_f15, 0, s390_r13, 4);
s390_jl (code, 0); CODEPTR (code, o[0]);
s390_ledbr (code, ins->dreg, ins->sreg1);
}
break;
+ case OP_TLS_GET: {
+ if (s390_is_imm16 (ins->inst_offset)) {
+ s390_lghi (code, s390_r13, ins->inst_offset);
+ } else {
+ s390_bras (code, s390_r13, 0);
+ s390_j (code, 4);
+ s390_llong(code, ins->inst_offset);
+ s390_lg (code, s390_r13, 0, s390_r13, 4);
+ }
+ s390_ear (code, s390_r1, 0);
+ s390_sllg(code, s390_r1, s390_r1, 0, 32);
+ s390_ear (code, s390_r1, 1);
+ s390_lg (code, ins->dreg, s390_r13, s390_r1, 0);
+ }
+ break;
case OP_JMP: {
if (cfg->method->save_lmf)
restoreLMF(code, cfg->frame_reg, cfg->stack_usage);
}
code = backUpStackPtr(cfg, code);
- s390_lg (code, s390_r14, 0, STK_BASE, S390_RET_ADDR_OFFSET);
+ s390_lg (code, s390_r14, 0, cfg->frame_reg, S390_RET_ADDR_OFFSET);
mono_add_patch_info (cfg, code - cfg->native_code,
MONO_PATCH_INFO_METHOD_JUMP,
ins->inst_p0);
}
break;
case OP_LOCALLOC: {
- int alloca_skip = S390_MINIMAL_STACK_SIZE + cfg->param_area;
- int area_offset = S390_ALIGN(alloca_skip, S390_STACK_ALIGNMENT);
+ int alloca_skip;
+ int area_offset;
+
+ if (cfg->param_area == 0)
+ alloca_skip = S390_MINIMAL_STACK_SIZE;
+ else
+ alloca_skip = cfg->param_area;
+
+ area_offset = S390_ALIGN(alloca_skip, S390_STACK_ALIGNMENT);
s390_lgr (code, s390_r1, ins->sreg1);
if (ins->flags & MONO_INST_INIT)
s390_lgr (code, s390_r0, ins->sreg1);
case OP_START_HANDLER: {
MonoInst *spvar = mono_find_spvar_for_region (cfg, bb->region);
- S390_LONG (code, stg, stg, s390_r14, 0,
+ S390_LONG (code, stg, stg, s390_r14, 0,
spvar->inst_basereg,
spvar->inst_offset);
}
if (ins->sreg1 != s390_r2)
s390_lgr(code, s390_r2, ins->sreg1);
- S390_LONG (code, lg, lg, s390_r14, 0,
+ S390_LONG (code, lg, lg, s390_r14, 0,
spvar->inst_basereg,
spvar->inst_offset);
s390_br (code, s390_r14);
case OP_ENDFINALLY: {
MonoInst *spvar = mono_find_spvar_for_region (cfg, bb->region);
- S390_LONG (code, lg, lg, s390_r14, 0,
+ S390_LONG (code, lg, lg, s390_r14, 0,
spvar->inst_basereg,
spvar->inst_offset);
s390_br (code, s390_r14);
case OP_NOT_NULL: {
}
break;
+ case OP_SEQ_POINT: {
+ int i;
+
+ if (cfg->compile_aot)
+ NOT_IMPLEMENTED;
+
+ /*
+ * Read from the single stepping trigger page. This will cause a
+ * SIGSEGV when single stepping is enabled.
+ * We do this _before_ the breakpoint, so single stepping after
+ * a breakpoint is hit will step to the next IL offset.
+ */
+ if (ins->flags & MONO_INST_SINGLE_STEP_LOC) {
+ breakpointCode.pTrigger = ss_trigger_page;
+ memcpy(code, (void *) &breakpointCode, BREAKPOINT_SIZE);
+ code += BREAKPOINT_SIZE;
+ }
+
+ mono_add_seq_point (cfg, bb, ins, code - cfg->native_code);
+
+ /*
+ * A placeholder for a possible breakpoint inserted by
+ * mono_arch_set_breakpoint ().
+ */
+ for (i = 0; i < (BREAKPOINT_SIZE / S390X_NOP_SIZE); ++i)
+ s390_nop (code);
+ break;
+ }
+
case OP_BR:
EMIT_UNCOND_BRANCH(ins);
break;
/* floating point opcodes */
case OP_R8CONST: {
- if (*((float *) ins->inst_p0) == 0) {
+ if (*((double *) ins->inst_p0) == 0) {
s390_lzdr (code, ins->dreg);
} else {
s390_basr (code, s390_r13, 0);
ins->inst_offset, ins->sreg1, ins->inst_imm);
} else {
s390_lgr (code, s390_r0, ins->dreg);
- if (s390_is_imm16 (ins->inst_offset)) {
- s390_aghi (code, s390_r0, ins->inst_offset);
- } else {
- s390_basr (code, s390_r13, 0);
- s390_j (code, 6);
- s390_llong(code, ins->inst_offset);
- s390_a (code, s390_r0, 0, s390_r13, 4);
+ if (ins->inst_offset > 0) {
+ if (s390_is_imm16 (ins->inst_offset)) {
+ s390_aghi (code, s390_r0, ins->inst_offset);
+ } else {
+ s390_basr (code, s390_r13, 0);
+ s390_j (code, 6);
+ s390_llong(code, ins->inst_offset);
+ s390_ag (code, s390_r0, 0, s390_r13, 4);
+ }
}
s390_lgr (code, s390_r12, ins->sreg1);
- if (s390_is_imm16 (ins->inst_imm)) {
- s390_aghi (code, s390_r12, ins->inst_imm);
+ if (ins->inst_imm > 0) {
+ if (s390_is_imm16 (ins->inst_imm)) {
+ s390_aghi (code, s390_r12, ins->inst_imm);
+ } else {
+ s390_basr (code, s390_r13, 0);
+ s390_j (code, 6);
+ s390_llong(code, ins->inst_imm);
+ s390_ag (code, s390_r12, 0, s390_r13, 4);
+ }
+ }
+ if (s390_is_imm16 (ins->backend.size)) {
+ s390_lghi (code, s390_r1, ins->backend.size);
} else {
s390_basr (code, s390_r13, 0);
s390_j (code, 6);
- s390_llong(code, ins->inst_imm);
- s390_ag (code, s390_r12, 0, s390_r13, 4);
+ s390_llong(code, ins->backend.size);
+ s390_lg (code, s390_r1, 0, s390_r13, 4);
}
- s390_lgr (code, s390_r1, ins->sreg1);
s390_lgr (code, s390_r13, s390_r1);
s390_mvcle(code, s390_r0, s390_r12, 0, 0);
s390_jo (code, -2);
}
break;
case OP_ATOMIC_EXCHANGE_I4: {
- s390_lg (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
+ s390_l (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
s390_cs (code, s390_r0, ins->sreg2, ins->inst_basereg, ins->inst_offset);
s390_jnz (code, -4);
s390_lgfr(code, ins->dreg, s390_r0);
case OP_MEMORY_BARRIER: {
}
break;
+ case OP_GC_LIVENESS_DEF:
+ case OP_GC_LIVENESS_USE:
+ case OP_GC_PARAM_SLOT_LIVENESS_DEF:
+ ins->backend.pc_offset = code - cfg->native_code;
+ break;
+ case OP_GC_SPILL_SLOT_LIVENESS_DEF:
+ ins->backend.pc_offset = code - cfg->native_code;
+ bb->spill_slot_defs = g_slist_prepend_mempool (cfg->mempool, bb->spill_slot_defs, ins);
+ break;
default:
g_warning ("unknown opcode %s in %s()\n", mono_inst_name (ins->opcode), __FUNCTION__);
g_assert_not_reached ();
void
mono_arch_register_lowlevel_calls (void)
{
- mono_register_jit_icall (mono_arch_get_lmf_addr, "mono_arch_get_lmf_addr", NULL, TRUE);
}
/*========================= End of Function ========================*/
void
mono_arch_patch_code (MonoMethod *method, MonoDomain *domain,
- guint8 *code, MonoJumpInfo *ji, gboolean run_cctors)
+ guint8 *code, MonoJumpInfo *ji, MonoCodeManager *dyn_code_mp, gboolean run_cctors)
{
MonoJumpInfo *patch_info;
MonoBasicBlock *bb;
MonoMethodSignature *sig;
MonoInst *inst;
- int alloc_size, pos, max_offset, i;
+ long alloc_size, pos, max_offset, i, cfa_offset = 0;
guint8 *code;
+ guint32 size;
CallInfo *cinfo;
int tracing = 0;
int lmfOffset;
cfg->native_code = code = g_malloc (cfg->code_size);
+ mono_emit_unwind_op_def_cfa (cfg, code, STK_BASE, 0);
+ emit_unwind_regs(cfg, code, s390_r6, s390_r14, S390_REG_SAVE_OFFSET);
s390_stmg (code, s390_r6, s390_r14, STK_BASE, S390_REG_SAVE_OFFSET);
+ mono_emit_unwind_op_offset (cfg, code, s390_r14, S390_RET_ADDR_OFFSET);
if (cfg->arch.bkchain_reg != -1)
s390_lgr (code, cfg->arch.bkchain_reg, STK_BASE);
alloc_size = cfg->stack_offset;
- cfg->stack_usage = alloc_size;
+ cfg->stack_usage = cfa_offset = alloc_size;
+ mono_emit_unwind_op_def_cfa_offset (cfg, code, alloc_size);
s390_lgr (code, s390_r11, STK_BASE);
if (s390_is_imm16 (alloc_size)) {
s390_aghi (code, STK_BASE, -alloc_size);
if (cfg->frame_reg != STK_BASE)
s390_lgr (code, s390_r11, STK_BASE);
+ mono_emit_unwind_op_def_cfa_reg (cfg, code, cfg->frame_reg);
+
/* compute max_offset in order to use short forward jumps
* we always do it on s390 because the immediate displacement
* for jumps is too small
cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
if (cinfo->struct_ret) {
- ArgInfo *ainfo = &cinfo->ret;
- inst = cfg->vret_addr;
+ ArgInfo *ainfo = &cinfo->ret;
+ inst = cfg->vret_addr;
inst->backend.size = ainfo->vtsize;
s390_stg (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
}
s390_lgr (code, s390_r13, STK_BASE);
s390_aghi (code, s390_r13, alloc_size);
}
- switch (ainfo->size) {
+
+ size = (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE
+ ? mono_class_native_size(mono_class_from_mono_type(inst->inst_vtype), NULL)
+ : ainfo->size);
+
+ switch (size) {
case 1:
if (ainfo->reg == STK_BASE)
s390_ic (code, reg, 0, s390_r13, ainfo->offset+7);
if (method->save_lmf) {
/*---------------------------------------------------------------*/
- /* we build the MonoLMF structure on the stack - see mini-s390.h */
+ /* build the MonoLMF structure on the stack - see mini-s390x.h */
/*---------------------------------------------------------------*/
lmfOffset = alloc_size - sizeof(MonoLMF);
/*---------------------------------------------------------------*/
/* On return from this call r2 have the address of the &lmf */
/*---------------------------------------------------------------*/
- s390_basr(code, s390_r10, 0);
- s390_j (code, 6);
- mono_add_patch_info (cfg, code - cfg->native_code,
- MONO_PATCH_INFO_INTERNAL_METHOD,
- (gpointer)"mono_get_lmf_addr");
- s390_llong(code, 0);
- s390_lg (code, s390_r1, 0, s390_r10, 4);
- s390_basr (code, s390_r14, s390_r1);
+ if (lmf_addr_tls_offset == -1) {
+ s390_basr(code, s390_r14, 0);
+ s390_j (code, 6);
+ mono_add_patch_info (cfg, code - cfg->native_code,
+ MONO_PATCH_INFO_INTERNAL_METHOD,
+ (gpointer)"mono_get_lmf_addr");
+ s390_llong(code, 0);
+ s390_lg (code, s390_r1, 0, s390_r14, 4);
+ s390_basr (code, s390_r14, s390_r1);
+ } else {
+ /*-------------------------------------------------------*/
+ /* Get LMF by getting value from thread level storage */
+ /*-------------------------------------------------------*/
+ s390_ear (code, s390_r1, 0);
+ s390_sllg(code, s390_r1, s390_r1, 0, 32);
+ s390_ear (code, s390_r1, 1);
+ s390_lg (code, s390_r2, 0, s390_r1, lmf_addr_tls_offset);
+ }
/*---------------------------------------------------------------*/
/* Set lmf.lmf_addr = jit_tls->lmf */
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++;
+ cfg->stat_code_reallocs++;
}
code = cfg->native_code + cfg->code_len;
if (method->save_lmf)
restoreLMF(code, cfg->frame_reg, cfg->stack_usage);
- if (cfg->flags & MONO_CFG_HAS_ALLOCA)
+ if (cfg->flags & MONO_CFG_HAS_ALLOCA) {
+// if (cfg->frame_reg != STK_BASE)
+// s390_lgr (code, STK_BASE, cfg->frame_reg);
s390_lg (code, STK_BASE, 0, STK_BASE, 0);
- else
+ } else
code = backUpStackPtr(cfg, code);
s390_lmg (code, s390_r6, s390_r14, STK_BASE, S390_REG_SAVE_OFFSET);
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++;
+ cfg->stat_code_reallocs++;
}
code = cfg->native_code + cfg->code_len;
/*---------------------------------------------*/
s390_basr (code, s390_r13, 0);
s390_j (code, 6);
- s390_llong(code, patch_info->data.target);
+// s390_llong(code, patch_info->data.target);
+ s390_llong(code, exc_class->type_token);
/*---------------------------------------------*/
/* Load return address & parameter register */
/*---------------------------------------------*/
s390_basr (code, s390_r13, 0);
s390_j (code, 6);
patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
- patch_info->data.name = "mono_arch_throw_exception_by_name";
+ patch_info->data.name = "mono_arch_throw_corlib_exception";
patch_info->ip.i = code - cfg->native_code;
s390_llong(code, 0);
s390_lg (code, s390_r1, 0, s390_r13, 4);
/*------------------------------------------------------------------*/
/* */
-/* Name - mono_arch_setup_jit_tls_data */
+/* Name - mono_arch_finish_init */
/* */
/* Function - Setup the JIT's Thread Level Specific Data. */
/* */
/*------------------------------------------------------------------*/
void
-mono_arch_setup_jit_tls_data (MonoJitTlsData *tls)
+mono_arch_finish_init (void)
{
- if (!tls_offset_inited) {
- tls_offset_inited = TRUE;
-
-#if HAVE_KW_THREAD
-# if 0
- __asm__ ("\tear\t%r1,0\n"
- "\tlr\t%0,%3\n"
- "\tsr\t%0,%r1\n"
- "\tlr\t%1,%4\n"
- "\tsr\t%1,%r1\n"
- "\tlr\t%2,%5\n"
- "\tsr\t%2,%r1\n"
- : "=r" (appdomain_tls_offset),
- "=r" (thread_tls_offset),
- "=r" (lmf_tls_offset)
- : "r" (&tls_appdomain),
- "r" (&tls_current_object),
- "r" (&mono_lmf_addr)
- : "1", "cc");
-# endif
-#endif
- }
-
- if (!lmf_addr_key_inited) {
- lmf_addr_key_inited = TRUE;
- pthread_key_create (&lmf_addr_key, NULL);
- }
- pthread_setspecific (lmf_addr_key, &tls->lmf);
-
+ appdomain_tls_offset = mono_domain_get_tls_offset();
+ lmf_tls_offset = mono_get_lmf_tls_offset();
+ lmf_addr_tls_offset = mono_get_lmf_addr_tls_offset();
}
/*========================= End of Function ========================*/
/*========================= End of Function ========================*/
-/*------------------------------------------------------------------*/
-/* */
-/* Name - mono_arch_get_lmf_addr */
-/* */
-/* Function - */
-/* */
-/* Returns - */
-/* */
-/*------------------------------------------------------------------*/
-
-gpointer
-mono_arch_get_lmf_addr (void)
-{
- return pthread_getspecific (lmf_addr_key);
-}
-
-/*========================= End of Function ========================*/
-
/*------------------------------------------------------------------*/
/* */
/* Name - mono_arch_is_inst_imm */
/* */
/* Function - */
/* */
-/* Returns - Offset for patch. */
+/* Returns - Return a register from the context. */
/* */
/*------------------------------------------------------------------*/
-gpointer
+mgreg_t
mono_arch_context_get_int_reg (MonoContext *ctx, int reg)
{
- /* FIXME: implement */
- g_assert_not_reached ();
- return NULL;
+ return ((mgreg_t) ctx->uc_mcontext.gregs[reg]);
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_context_set_int_reg. */
+/* */
+/* Function - Set a value in a specified register. */
+/* */
+/*------------------------------------------------------------------*/
+
+void
+mono_arch_context_set_int_reg (MonoContext *ctx, int reg, mgreg_t val)
+{
+ ctx->uc_mcontext.gregs[reg] = val;
}
/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_get_this_arg_from_call. */
+/* */
+/* Function - */
+/* */
+/*------------------------------------------------------------------*/
+
+gpointer
+mono_arch_get_this_arg_from_call (mgreg_t *regs, guint8 *code)
+{
+ MonoLMF *lmf = (MonoLMF *) ((gchar *) regs - sizeof(MonoLMF));
+
+ return (gpointer) lmf->gregs [s390_r2];
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - get_delegate_invoke_impl. */
+/* */
+/* Function - */
+/* */
+/*------------------------------------------------------------------*/
+
+static gpointer
+get_delegate_invoke_impl (gboolean has_target, guint32 param_count, guint32 *code_len, gboolean aot)
+{
+ guint8 *code, *start;
+
+ if (has_target) {
+ int size = 32;
+
+ start = code = mono_global_codeman_reserve (size);
+
+ /* Replace the this argument with the target */
+ s390_lg (code, s390_r1, 0, s390_r2, G_STRUCT_OFFSET(MonoDelegate, method_ptr));
+ s390_lg (code, s390_r2, 0, s390_r2, G_STRUCT_OFFSET(MonoDelegate, target));
+ s390_br (code, s390_r1);
+ g_assert ((code - start) <= size);
+
+ mono_arch_flush_icache (start, size);
+ } else {
+ int size, i;
+
+ size = 32 + param_count * 8;
+ start = code = mono_global_codeman_reserve (size);
+
+ s390_lg (code, s390_r1, 0, s390_r2, G_STRUCT_OFFSET(MonoDelegate, method_ptr));
+ /* slide down the arguments */
+ for (i = 0; i < param_count; ++i) {
+ s390_lgr (code, (s390_r2 + i), (s390_r2 + i + 1));
+ }
+ s390_br (code, s390_r1);
+
+ g_assert ((code - start) <= size);
+
+ mono_arch_flush_icache (start, size);
+ }
+
+ if (code_len)
+ *code_len = code - start;
+
+ return start;
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_get_delegate_invoke_impls. */
+/* */
+/* Function - */
+/* */
+/*------------------------------------------------------------------*/
+
+GSList*
+mono_arch_get_delegate_invoke_impls (void)
+{
+ GSList *res = NULL;
+ guint8 *code;
+ guint32 code_len;
+ int i;
+
+ code = get_delegate_invoke_impl (TRUE, 0, &code_len, TRUE);
+ res = g_slist_prepend (res, mono_tramp_info_create (g_strdup ("delegate_invoke_impl_has_target"), code, code_len, NULL, NULL));
+
+ for (i = 0; i < MAX_ARCH_DELEGATE_PARAMS; ++i) {
+ code = get_delegate_invoke_impl (FALSE, i, &code_len, TRUE);
+ res = g_slist_prepend (res, mono_tramp_info_create (g_strdup_printf ("delegate_invoke_impl_target_%d", i), code, code_len, NULL, NULL));
+ }
+
+ return res;
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_get_delegate_invoke_impl. */
+/* */
+/* Function - */
+/* */
+/*------------------------------------------------------------------*/
+
+gpointer
+mono_arch_get_delegate_invoke_impl (MonoMethodSignature *sig, gboolean has_target)
+{
+ guint8 *code, *start;
+
+ /* FIXME: Support more cases */
+ if (MONO_TYPE_ISSTRUCT (sig->ret))
+ return NULL;
+
+ if (has_target) {
+ static guint8* cached = NULL;
+
+ if (cached)
+ return cached;
+
+ if (mono_aot_only)
+ start = mono_aot_get_trampoline ("delegate_invoke_impl_has_target");
+ else
+ start = get_delegate_invoke_impl (TRUE, 0, NULL, FALSE);
+
+ mono_memory_barrier ();
+
+ cached = start;
+ } else {
+ static guint8* cache [MAX_ARCH_DELEGATE_PARAMS + 1] = {NULL};
+ int i;
+
+ if (sig->param_count > MAX_ARCH_DELEGATE_PARAMS)
+ return NULL;
+ for (i = 0; i < sig->param_count; ++i)
+ if (!mono_is_regsize_var (sig->params [i]))
+ return NULL;
+
+
+ code = cache [sig->param_count];
+ if (code)
+ return code;
+
+ if (mono_aot_only) {
+ char *name = g_strdup_printf ("delegate_invoke_impl_target_%d", sig->param_count);
+ start = mono_aot_get_trampoline (name);
+ g_free (name);
+ } else {
+ start = get_delegate_invoke_impl (FALSE, sig->param_count, NULL, FALSE);
+ }
+
+ mono_memory_barrier ();
+
+ cache [sig->param_count] = start;
+ }
+ return start;
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_build_imt_thunk. */
+/* */
+/* Function - */
+/* */
+/*------------------------------------------------------------------*/
+
+gpointer
+mono_arch_build_imt_thunk (MonoVTable *vtable, MonoDomain *domain,
+ MonoIMTCheckItem **imt_entries, int count,
+ gpointer fail_tramp)
+{
+ int i;
+ int size = 0;
+ guchar *code, *start;
+
+ for (i = 0; i < count; ++i) {
+ MonoIMTCheckItem *item = imt_entries [i];
+ if (item->is_equals) {
+ if (item->check_target_idx) {
+ if (!item->compare_done)
+ item->chunk_size += CMP_SIZE + JUMP_SIZE;
+ if (item->has_target_code)
+ item->chunk_size += BR_SIZE + JUMP_SIZE + LOADCON_SIZE;
+ else
+ item->chunk_size += BR_SIZE + JUMP_SIZE + LOADCON_SIZE +
+ LOAD_SIZE;
+ } else {
+ if (fail_tramp) {
+ item->chunk_size += CMP_SIZE + 2 * BR_SIZE + JUMP_SIZE +
+ 2 * LOADCON_SIZE;
+ if (!item->has_target_code)
+ item->chunk_size += LOAD_SIZE;
+ } else {
+ item->chunk_size += LOADCON_SIZE + LOAD_SIZE + BR_SIZE;
+#if ENABLE_WRONG_METHOD_CHECK
+ item->chunk_size += CMP_SIZE + JUMP_SIZE;
+#endif
+ }
+ }
+ } else {
+ item->chunk_size += CMP_SIZE + JUMP_SIZE;
+ imt_entries [item->check_target_idx]->compare_done = TRUE;
+ }
+ size += item->chunk_size;
+ }
+
+ if (fail_tramp)
+ code = mono_method_alloc_generic_virtual_thunk (domain, size);
+ else
+ code = mono_domain_code_reserve (domain, size);
+
+ start = code;
+
+ for (i = 0; i < count; ++i) {
+ MonoIMTCheckItem *item = imt_entries [i];
+ item->code_target = (guint8 *) code;
+ if (item->is_equals) {
+ if (item->check_target_idx) {
+ if (!item->compare_done) {
+ s390_basr (code, s390_r13, s390_r0);
+ s390_j (code, 6);
+ s390_llong(code, item->key);
+ s390_lg (code, s390_r0, 0, s390_r13, 4);
+ s390_cgr (code, s390_r0, MONO_ARCH_IMT_REG);
+ }
+ item->jmp_code = (guint8*) code;
+ s390_jcl (code, S390_CC_NE, 0);
+
+ s390_basr (code, s390_r13, s390_r0);
+ s390_j (code, 6);
+ if (item->has_target_code) {
+ s390_llong(code, item->value.target_code);
+ s390_lg (code, s390_r1, 0, s390_r13, 4);
+ } else {
+ s390_llong(code, (&(vtable->vtable [item->value.vtable_slot])));
+ s390_lg (code, s390_r1, 0, s390_r13, 4);
+ s390_lg (code, s390_r1, 0, s390_r1, 0);
+ }
+ s390_br (code, s390_r1);
+ } else {
+ if (fail_tramp) {
+ gint64 target;
+
+ s390_basr (code, s390_r13, s390_r0);
+ s390_j (code, 6);
+ s390_llong(code, item->key);
+ s390_lg (code, s390_r0, 0, s390_r13, 4);
+ s390_cgr (code, s390_r0, MONO_ARCH_IMT_REG);
+ item->jmp_code = (guint8*) code;
+ s390_jcl (code, S390_CC_NE, 0);
+ s390_basr (code, s390_r13, s390_r0);
+ s390_j (code, 6);
+ if (item->has_target_code) {
+ s390_llong(code, item->value.target_code);
+ s390_lg (code, s390_r1, 0, s390_r13, 4);
+ } else {
+ g_assert (vtable);
+ s390_llong(code, (&(vtable->vtable [item->value.vtable_slot])));
+ s390_lg (code, s390_r1, 0, s390_r13, 4);
+ s390_lg (code, s390_r1, 0, s390_r1, 0);
+ }
+ s390_br (code, s390_r1);
+ target = S390_RELATIVE(code, item->jmp_code);
+ s390_patch_rel(item->jmp_code+2, target);
+ s390_basr (code, s390_r13, s390_r0);
+ s390_j (code, 6);
+ s390_llong(code, fail_tramp);
+ s390_lg (code, s390_r1, 0, s390_r13, 4);
+ s390_br (code, s390_r1);
+ item->jmp_code = NULL;
+ } else {
+ /* enable the commented code to assert on wrong method */
+#if ENABLE_WRONG_METHOD_CHECK
+ g_assert_not_reached ();
+#endif
+ s390_basr (code, s390_r13, s390_r0);
+ s390_j (code, 6);
+ s390_llong(code, (&(vtable->vtable [item->value.vtable_slot])));
+ s390_lg (code, s390_r1, 0, s390_r13, 4);
+ s390_lg (code, s390_r1, 0, s390_r1, 0);
+ s390_br (code, s390_r1);
+#if ENABLE_WRONG_METHOD_CHECK
+ g_assert_not_reached ();
+#endif
+ }
+ }
+ } else {
+ s390_basr (code, s390_r13, s390_r0);
+ s390_j (code, 6);
+ s390_llong(code, item->key);
+ s390_lg (code, s390_r0, 0, s390_r13, 4);
+ s390_cgr (code, MONO_ARCH_IMT_REG, s390_r0);
+ item->jmp_code = (guint8 *) code;
+ s390_jcl (code, S390_CC_GE, 0);
+ }
+ }
+ /* patch the branches to get to the target items */
+ for (i = 0; i < count; ++i) {
+ MonoIMTCheckItem *item = imt_entries [i];
+ if (item->jmp_code) {
+ if (item->check_target_idx) {
+ gint64 offset;
+ offset = S390_RELATIVE(imt_entries [item->check_target_idx]->code_target,
+ item->jmp_code);
+ s390_patch_rel ((guchar *) item->jmp_code + 2, (guint64) offset);
+ }
+ }
+ }
+
+ mono_arch_flush_icache ((guint8*)start, (code - start));
+
+ if (!fail_tramp)
+ mono_stats.imt_thunks_size += (code - start);
+
+ g_assert (code - start <= size);
+
+ return (start);
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_find_imt_method. */
+/* */
+/* Function - Get the method address from MONO_ARCH_IMT_REG */
+/* found in the save area. */
+/* */
+/*------------------------------------------------------------------*/
+
+MonoMethod*
+mono_arch_find_imt_method (mgreg_t *regs, guint8 *code)
+{
+ MonoLMF *lmf = (MonoLMF *) ((gchar *) regs - sizeof(MonoLMF));
+
+ return ((MonoMethod *) lmf->gregs [MONO_ARCH_IMT_REG]);
+}
+
+/*========================= End of Function ========================*/
+
+#ifdef MONO_ARCH_SOFT_DEBUG_SUPPORTED
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_set_breakpoint. */
+/* */
+/* Function - Set a breakpoint at the native code corresponding */
+/* to JI at NATIVE_OFFSET. The location should */
+/* contain code emitted by OP_SEQ_POINT. */
+/* */
+/*------------------------------------------------------------------*/
+
+void
+mono_arch_set_breakpoint (MonoJitInfo *ji, guint8 *ip)
+{
+ guint8 *code = ip;
+
+ breakpointCode.pTrigger = bp_trigger_page;
+ memcpy(code, (void *) &breakpointCode, BREAKPOINT_SIZE);
+ code += BREAKPOINT_SIZE;
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_clear_breakpoint. */
+/* */
+/* Function - Clear the breakpoint at IP. */
+/* */
+/*------------------------------------------------------------------*/
+
+void
+mono_arch_clear_breakpoint (MonoJitInfo *ji, guint8 *ip)
+{
+ guint8 *code = ip;
+ int i;
+
+ for (i = 0; i < (BREAKPOINT_SIZE / S390X_NOP_SIZE); i++)
+ s390_nop(code);
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_is_breakpoint_event. */
+/* */
+/* Function - */
+/* */
+/*------------------------------------------------------------------*/
+
+gboolean
+mono_arch_is_breakpoint_event (void *info, void *sigctx)
+{
+ siginfo_t* sinfo = (siginfo_t*) info;
+ /* Sometimes the address is off by 4 */
+ if (sinfo->si_addr >= bp_trigger_page && (guint8*)sinfo->si_addr <= (guint8*)bp_trigger_page + 128)
+ return TRUE;
+ else
+ return FALSE;
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_skip_breakpoint. */
+/* */
+/* Function - Modify the CTX so the IP is placed after the */
+/* breakpoint instruction, so when we resume, the */
+/* instruction is not executed again. */
+/* */
+/*------------------------------------------------------------------*/
+
+void
+mono_arch_skip_breakpoint (MonoContext *ctx, MonoJitInfo *ji)
+{
+ MONO_CONTEXT_SET_IP (ctx, (guint8*)MONO_CONTEXT_GET_IP (ctx) + BREAKPOINT_SIZE);
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_start_single_stepping. */
+/* */
+/* Function - Start single stepping. */
+/* */
+/*------------------------------------------------------------------*/
+
+void
+mono_arch_start_single_stepping (void)
+{
+ mono_mprotect (ss_trigger_page, mono_pagesize (), 0);
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_stop_single_stepping. */
+/* */
+/* Function - Stop single stepping. */
+/* */
+/*------------------------------------------------------------------*/
+
+void
+mono_arch_stop_single_stepping (void)
+{
+ mono_mprotect (ss_trigger_page, mono_pagesize (), MONO_MMAP_READ);
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_is_single_step_event. */
+/* */
+/* Function - Return whether the machine state in sigctx cor- */
+/* responds to a single step event. */
+/* */
+/*------------------------------------------------------------------*/
+
+gboolean
+mono_arch_is_single_step_event (void *info, void *sigctx)
+{
+ siginfo_t* sinfo = (siginfo_t*) info;
+
+ /* Sometimes the address is off by 4 */
+ if (sinfo->si_addr >= ss_trigger_page && (guint8*)sinfo->si_addr <= (guint8*)ss_trigger_page + 128)
+ return TRUE;
+ else
+ return FALSE;
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_skip_single_step. */
+/* */
+/* Function - Modify the ctx so the IP is placed after the */
+/* single step trigger instruction, so that the */
+/* instruction is not executed again. */
+/* */
+/*------------------------------------------------------------------*/
+
+void
+mono_arch_skip_single_step (MonoContext *ctx)
+{
+ MONO_CONTEXT_SET_IP (ctx, (guint8*)MONO_CONTEXT_GET_IP (ctx) + BREAKPOINT_SIZE);
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_create_seq_point_info. */
+/* */
+/* Function - Return a pointer to a data struction which is */
+/* used by the sequence point implementation in */
+/* AOTed code. */
+/* */
+/*------------------------------------------------------------------*/
+
+gpointer
+mono_arch_get_seq_point_info (MonoDomain *domain, guint8 *code)
+{
+ NOT_IMPLEMENTED;
+ return NULL;
+}
+
+/*========================= End of Function ========================*/
+
+#endif
projects / mono.git / blobdiff