/* D e f i n e s */
/*------------------------------------------------------------------*/
-#define EMIT_COND_BRANCH(ins,cond) \
-{ \
-if (ins->flags & MONO_INST_BRLABEL) { \
- if (ins->inst_i0->inst_c0) { \
- int displace; \
- displace = ((cfg->native_code + ins->inst_i0->inst_c0) - code) / 2; \
- if (s390_is_imm16(displace)) { \
- s390_brc (code, cond, displace); \
- } else { \
- s390_jcl (code, cond, displace); \
- } \
- } else { \
- mono_add_patch_info (cfg, code - cfg->native_code, \
- MONO_PATCH_INFO_LABEL, ins->inst_i0); \
- s390_jcl (code, cond, 0); \
- } \
-} else { \
- if (ins->inst_true_bb->native_offset) { \
- int displace; \
- displace = ((cfg->native_code + \
- ins->inst_true_bb->native_offset) - code) / 2; \
- if (s390_is_imm16(displace)) { \
- s390_brc (code, cond, displace); \
- } else { \
- s390_jcl (code, cond, displace); \
- } \
- } else { \
- mono_add_patch_info (cfg, code - cfg->native_code, \
- MONO_PATCH_INFO_BB, ins->inst_true_bb); \
- s390_jcl (code, cond, 0); \
- } \
-} \
+#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 + \
+ ins->inst_true_bb->native_offset) - code) / 2; \
+ if (s390_is_imm16(displace)) { \
+ s390_brc (code, cond, displace); \
+ } else { \
+ s390_jcl (code, cond, displace); \
+ } \
+} else { \
+ mono_add_patch_info (cfg, code - cfg->native_code, \
+ MONO_PATCH_INFO_BB, ins->inst_true_bb); \
+ s390_jcl (code, cond, 0); \
+} \
}
-#define EMIT_UNCOND_BRANCH(ins) \
-{ \
-if (ins->flags & MONO_INST_BRLABEL) { \
- if (ins->inst_i0->inst_c0) { \
- int displace; \
- displace = ((cfg->native_code + ins->inst_i0->inst_c0) - code) / 2; \
- if (s390_is_imm16(displace)) { \
- s390_brc (code, S390_CC_UN, displace); \
- } else { \
- s390_jcl (code, S390_CC_UN, displace); \
- } \
- } else { \
- mono_add_patch_info (cfg, code - cfg->native_code, \
- MONO_PATCH_INFO_LABEL, ins->inst_i0); \
- s390_jcl (code, S390_CC_UN, 0); \
- } \
-} else { \
- if (ins->inst_target_bb->native_offset) { \
- int displace; \
- displace = ((cfg->native_code + \
- ins->inst_target_bb->native_offset) - code) / 2; \
- if (s390_is_imm16(displace)) { \
- s390_brc (code, S390_CC_UN, displace); \
- } else { \
- s390_jcl (code, S390_CC_UN, displace); \
- } \
- } else { \
- mono_add_patch_info (cfg, code - cfg->native_code, \
- MONO_PATCH_INFO_BB, ins->inst_target_bb); \
- s390_jcl (code, S390_CC_UN, 0); \
- } \
-} \
+#define EMIT_UNCOND_BRANCH(ins) \
+{ \
+if (ins->inst_target_bb->native_offset) { \
+ int displace; \
+ displace = ((cfg->native_code + \
+ ins->inst_target_bb->native_offset) - code) / 2; \
+ if (s390_is_imm16(displace)) { \
+ s390_brc (code, S390_CC_UN, displace); \
+ } else { \
+ s390_jcl (code, S390_CC_UN, displace); \
+ } \
+} else { \
+ mono_add_patch_info (cfg, code - cfg->native_code, \
+ MONO_PATCH_INFO_BB, ins->inst_target_bb); \
+ s390_jcl (code, S390_CC_UN, 0); \
+} \
}
#define EMIT_COND_SYSTEM_EXCEPTION(cond,exc_name) \
s390_ldr (code, ins->dreg, ins->sreg1); \
}
+#define MONO_EMIT_NEW_MOVE(cfg,dest,offset,src,imm,size) do { \
+ MonoInst *inst; \
+ int sReg, dReg; \
+ MONO_INST_NEW (cfg, inst, OP_NOP); \
+ if (size > 256) { \
+ inst->dreg = dest; \
+ inst->inst_offset = offset; \
+ inst->sreg1 = src; \
+ inst->inst_imm = imm; \
+ } else { \
+ if (s390_is_uimm12(offset)) { \
+ inst->dreg = dest; \
+ inst->inst_offset = offset; \
+ } else { \
+ dReg = mono_alloc_preg (cfg); \
+ MONO_EMIT_NEW_BIALU_IMM(cfg, OP_ADD_IMM, \
+ dReg, dest, offset); \
+ inst->dreg = dReg; \
+ inst->inst_offset = 0; \
+ } \
+ if (s390_is_uimm12(imm)) { \
+ inst->sreg1 = src; \
+ inst->inst_imm = imm; \
+ } else { \
+ 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); \
+ } while (0)
+
+#define MONO_OUTPUT_VTR(cfg, size, dr, sr, so) do { \
+ int reg = mono_alloc_preg (cfg); \
+ switch (size) { \
+ case 0: \
+ MONO_EMIT_NEW_ICONST(cfg, reg, 0); \
+ break; \
+ case 1: \
+ MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU1_MEMBASE, \
+ reg, sr, so); \
+ break; \
+ case 2: \
+ MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU2_MEMBASE, \
+ reg, sr, so); \
+ break; \
+ case 4: \
+ MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADI4_MEMBASE, \
+ reg, sr, so); \
+ break; \
+ case 8: \
+ MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADI8_MEMBASE, \
+ reg, sr, so); \
+ break; \
+ } \
+ mono_call_inst_add_outarg_reg(cfg, call, reg, dr, FALSE); \
+} while (0)
+
+#define MONO_OUTPUT_VTS(cfg, size, dr, dx, sr, so) do { \
+ int tmpr; \
+ switch (size) { \
+ case 0: \
+ tmpr = mono_alloc_preg (cfg); \
+ MONO_EMIT_NEW_ICONST(cfg, tmpr, 0); \
+ MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
+ dr, dx, tmpr); \
+ break; \
+ case 1: \
+ tmpr = mono_alloc_preg (cfg); \
+ MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU1_MEMBASE, \
+ tmpr, sr, so); \
+ MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
+ dr, dx, tmpr); \
+ break; \
+ case 2: \
+ 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); \
+ MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADI4_MEMBASE, \
+ tmpr, sr, so); \
+ MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
+ dr, dx, tmpr); \
+ break; \
+ case 8: \
+ MONO_EMIT_NEW_MOVE (cfg, dr, dx, sr, so, size); \
+ break; \
+ } \
+} while (0)
+
#undef DEBUG
#define DEBUG(a) if (cfg->verbose_level > 1) a
#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/utils/mono-math.h>
#include "mini-s390x.h"
-#include "inssel.h"
#include "cpu-s390x.h"
#include "jit-icalls.h"
+#include "ir-emit.h"
/*========================= End of Includes ========================*/
MonoInst *data;
};
-enum {
+typedef enum {
RegTypeGeneral,
RegTypeBase,
RegTypeFP,
+ RegTypeFPR4,
RegTypeStructByVal,
- RegTypeStructByAddr
-};
+ RegTypeStructByValInFP,
+ RegTypeStructByAddr,
+ RegTypeStructByAddrOnStack
+} ArgStorage;
typedef struct {
gint32 offset; /* offset from caller's stack */
gint32 offparm; /* offset from callee's stack */
guint16 vtsize; /* in param area */
guint8 reg;
- guint8 regtype; /* See RegType* */
+ ArgStorage regtype;
guint32 size; /* Size of structure used by RegTypeStructByVal */
gint32 type; /* Data type of argument */
} ArgInfo;
ArgInfo ret;
ArgInfo sigCookie;
size_data sz;
+ int vret_arg_index;
ArgInfo args [1];
} CallInfo;
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_registers (guint8 *, MonoCompile *);
+static guint8 * emit_load_volatile_arguments (guint8 *, MonoCompile *);
static void catch_SIGILL(int, siginfo_t *, void *);
-static void emit_sig_cookie (MonoCompile *, MonoCallInst *, CallInfo *, int);
/*========================= End of Prototypes ======================*/
gboolean lmf_addr_key_inited = FALSE;
+facilityList_t facs;
+
#if 0
extern __thread MonoDomain *tls_appdomain;
for (k = 0; k < param_count; k++) {
if (csig->pinvoke)
- size = mono_type_native_stack_size (csig->params [k], &align);
+ size = mono_type_native_stack_size (csig->params [k], (guint32 *) &align);
else
size = mini_type_stack_size (NULL, csig->params [k], &align);
MonoMarshalType *info;
if (type->data.klass->enumtype) {
- simpleType = type->data.klass->enum_basetype->type;
+ simpleType = mono_class_enum_basetype (type->data.klass)->type;
printf("{VALUETYPE} - ");
goto enum_parmtype;
}
case MONO_TYPE_VALUETYPE: {
MonoMarshalType *info;
if (type->data.klass->enumtype) {
- type = type->data.klass->enum_basetype;
+ type = mono_class_enum_basetype (type->data.klass);
goto handle_enum;
} else {
- guint8 *p = va_arg (ap, gpointer);
- int j, size, align;
+ int size, align;
info = mono_marshal_load_type_info (type->data.klass);
size = mono_type_size (type, &align);
switch (size) {
- case 1:
- case 2:
- case 4:
- case 8:
- printf ("[");
- for (j = 0; p && j < size; j++)
- printf ("%02x,", p [j]);
- printf ("]\n");
- break;
- default:
- printf ("[VALUETYPE]\n");
+ case 1: {
+ guint32 p = va_arg (ap, guint32);
+ printf ("[%02x]\n",p);
+ break;
+ }
+ case 2: {
+ guint32 p = va_arg (ap, guint32);
+ printf ("[%04x]\n",p);
+ break;
+ }
+ case 4: {
+ guint32 p = va_arg (ap, guint32);
+ printf ("[%08x]\n",p);
+ break;
+ }
+ case 8: {
+ guint64 p = va_arg (ap, guint64);
+ printf ("[%016lx]\n",p);
+ break;
+ }
+ default: {
+ gpointer p = va_arg (ap, gpointer);
+ printf ("[VALUETYPE] %p\n",p);
+ }
}
}
break;
/*========================= End of Function ========================*/
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_init. */
+/* */
+/* Function - Initialize architecture specific code. */
+/* */
+/*------------------------------------------------------------------*/
-/*
- * Initialize architecture specific code.
- */
void
mono_arch_init (void)
{
+#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
+
}
-/*
- * 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 */
return FALSE;
case MONO_TYPE_VALUETYPE:
if (t->data.klass->enumtype)
- return is_regsize_var (t->data.klass->enum_basetype);
+ return is_regsize_var (mono_class_enum_basetype (t->data.klass));
return FALSE;
}
return FALSE;
MonoMethodHeader *header;
int i, top = 13;
- header = mono_method_get_header (cfg->method);
+ header = cfg->header;
if ((cfg->flags & MONO_CFG_HAS_ALLOCA) || header->num_clauses)
cfg->frame_reg = s390_r11;
+
+ /* FIXME: s390_r12 is reserved for bkchain_reg. Only reserve it if needed */
+ top = 12;
for (i = 8; i < top; ++i) {
- if (cfg->frame_reg != i)
+ if (cfg->frame_reg != i)
regs = g_list_prepend (regs, GUINT_TO_POINTER (i));
}
sz->stack_size = S390_ALIGN(sz->stack_size, sizeof(long));
ainfo->reg = STK_BASE;
ainfo->offset = sz->stack_size;
+ ainfo->regtype = RegTypeStructByAddrOnStack;
sz->stack_size += sizeof (gpointer);
sz->parm_size += sizeof(gpointer);
sz->offStruct += sizeof(gpointer);
} else {
ainfo->reg = *gr;
ainfo->offset = sz->stack_size;
+ ainfo->regtype = RegTypeStructByAddr;
}
(*gr) ++;
ainfo->offparm = sz->offset;
sz->offset = S390_ALIGN(sz->offset+size, sizeof(long));
ainfo->size = size;
- ainfo->regtype = RegTypeStructByAddr;
ainfo->vtsize = size;
sz->parm_size += size;
}
/*------------------------------------------------------------------*/
/* */
-/* 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;
case MONO_TYPE_VALUETYPE: {
MonoClass *klass = mono_class_from_mono_type (sig->ret);
if (klass->enumtype) {
- simpletype = klass->enum_basetype->type;
+ simpletype = mono_class_enum_basetype (klass)->type;
goto enum_retvalue;
}
if (sig->pinvoke)
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;
+
+ /* 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;
/*--------------------------------------------------*/
(info->fields[0].field->type->type == MONO_TYPE_R4)) {
cinfo->args[nParm].size = sizeof(float);
add_float(&fr, sz, cinfo->args+nParm);
+ nParm ++;
break;
}
(info->fields[0].field->type->type == MONO_TYPE_R8)) {
cinfo->args[nParm].size = sizeof(double);
add_float(&fr, sz, cinfo->args+nParm);
+ nParm ++;
break;
}
/* 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;
add_general (&gr, sz, &cinfo->sigCookie);
MonoMethodHeader *header;
MonoInst *inst;
CallInfo *cinfo;
- int iParm, iVar, offset, size, align, curinst;
+ int iParm, iVar, offset, align, size, curinst;
int frame_reg = STK_BASE;
int sArg, eArg;
- header = mono_method_get_header (cfg->method);
+ header = cfg->header;
cfg->flags |= MONO_CFG_HAS_SPILLUP;
cfg->frame_reg = frame_reg;
+ cfg->arch.bkchain_reg = -1;
+
if (frame_reg != STK_BASE)
cfg->used_int_regs |= 1 << frame_reg;
cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
- if (cinfo->struct_ret) {
- cfg->vret_addr->opcode = OP_REGVAR;
- cfg->vret_addr->inst_c0 = s390_r2;
- } else {
+ if (!cinfo->struct_ret) {
switch (mono_type_get_underlying_type (sig->ret)->type) {
case MONO_TYPE_VOID:
break;
/* 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) {
inst->opcode = OP_REGOFFSET;
inst->inst_basereg = frame_reg;
offset += sizeof(gpointer);
- if ((sig->call_convention == MONO_CALL_VARARG) &&
- (!retFitsInReg (cinfo->ret.size)))
- cfg->sig_cookie += cinfo->ret.size;
if (G_UNLIKELY (cfg->verbose_level > 1)) {
printf ("vret_addr =");
mono_print_ins (cfg->vret_addr);
inst = cfg->args [curinst];
if (inst->opcode != OP_REGVAR) {
switch (cinfo->args[iParm].regtype) {
- case RegTypeStructByAddr :
- if (cinfo->args[iParm].reg == STK_BASE) {
- inst->opcode = OP_S390_LOADARG;
- inst->inst_basereg = frame_reg;
- offset = S390_ALIGN(offset, sizeof(long));
- inst->inst_offset = offset;
- size = abs(cinfo->args[iParm].vtsize);
- inst->backend.arg_info = cinfo->args[iParm].offset;
+ case RegTypeStructByAddr : {
+ MonoInst *indir;
+
+ size = sizeof (gpointer);
+
+ inst->opcode = OP_REGOFFSET;
+ inst->inst_basereg = frame_reg;
+ 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;
+ inst->inst_left = indir;
+ }
+ break;
+ case RegTypeStructByAddrOnStack : {
+ MonoInst *indir;
+
+ size = sizeof (gpointer);
+
+ /* Similar to the == STK_BASE case below */
+ cfg->arch.bkchain_reg = s390_r12;
+ cfg->used_int_regs |= 1 << cfg->arch.bkchain_reg;
+
+ inst->opcode = OP_REGOFFSET;
+ inst->dreg = mono_alloc_preg (cfg);
+ inst->inst_basereg = cfg->arch.bkchain_reg;
+ inst->inst_offset = cinfo->args [iParm].offset;
+
+ /* Add a level of indirection */
+ MONO_INST_NEW (cfg, indir, 0);
+ *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->inst_basereg = frame_reg;
+ inst->inst_offset = offset;
+ break;
+ default :
+ if (cinfo->args [iParm].reg == STK_BASE) {
+ /*
+ * These arguments are in the previous frame, so we can't
+ * compute their offset from the current frame pointer right
+ * now, since cfg->stack_offset is not yet known, so dedicate a
+ * register holding the previous frame pointer.
+ */
+ cfg->arch.bkchain_reg = s390_r12;
+ cfg->used_int_regs |= 1 << cfg->arch.bkchain_reg;
+
+ inst->opcode = OP_REGOFFSET;
+ inst->inst_basereg = cfg->arch.bkchain_reg;
+ size = (cinfo->args[iParm].size < 8
+ ? 8 - cinfo->args[iParm].size
+ : 0);
+ inst->inst_offset = cinfo->args [iParm].offset + size;
+ size = sizeof (long);
} else {
- inst->opcode = OP_S390_ARGREG;
- inst->inst_basereg = frame_reg;
- size = sizeof(gpointer);
- offset = S390_ALIGN(offset, size);
- inst->inst_offset = offset;
- inst->backend.arg_info = cinfo->args[iParm].offset;
- }
- break;
- case RegTypeStructByVal :
- inst->opcode = OP_S390_ARGPTR;
- inst->inst_basereg = frame_reg;
- size = cinfo->args[iParm].size;
- offset = S390_ALIGN(offset, size);
- inst->inst_offset = offset;
- inst->backend.arg_info = cinfo->args[iParm].offset;
- break;
- default :
- if (cinfo->args[iParm].reg != STK_BASE) {
inst->opcode = OP_REGOFFSET;
inst->inst_basereg = frame_reg;
size = (cinfo->args[iParm].size < 8
- ? sizeof(int)
- : sizeof(long));
+ ? sizeof(int)
+ : sizeof(long));
offset = S390_ALIGN(offset, size);
- inst->inst_offset = offset;
- } else {
- inst->opcode = OP_S390_STKARG;
- inst->inst_basereg = frame_reg;
- size = ((cinfo->args[iParm].size < 8)
- ? 8 - cinfo->args[iParm].size
- : 0);
- inst->inst_offset = cinfo->args[iParm].offset +
- size;
- inst->backend.arg_info = 0;
- size = sizeof(long);
- }
+ if (cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
+ inst->inst_offset = offset;
+ else
+ inst->inst_offset = offset + (8 - size);
+ }
+ break;
}
if ((sig->call_convention == MONO_CALL_VARARG) &&
(cinfo->args[iParm].regtype != RegTypeGeneral) &&
(iParm < sig->sentinelpos))
cfg->sig_cookie += size;
- offset += size;
+ offset += MAX(size, 8);
}
curinst++;
}
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), &align);
+ size = mono_class_native_size (mono_class_from_mono_type(inst->inst_vtype),
+ (guint32 *) &align);
else
size = mono_type_size (inst->inst_vtype, &align);
/*------------------------------------------------------*/
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
/*------------------------------------------------------------------*/
/* */
-/* Name - mono_arch_call_opcode */
+/* Name - add_outarg_reg2. */
/* */
-/* Function - Take the arguments and generate the arch-specific */
-/* instructions to properly call the function. This */
-/* includes pushing, moving argments to the correct */
-/* etc. */
-/* */
/*------------------------------------------------------------------*/
-MonoCallInst*
-mono_arch_call_opcode (MonoCompile *cfg, MonoBasicBlock* bb,
- MonoCallInst *call, int is_virtual)
+static void
+add_outarg_reg2 (MonoCompile *cfg, MonoCallInst *call, ArgStorage storage, int reg, MonoInst *tree)
+{
+ MonoInst *ins;
+
+ switch (storage) {
+ case RegTypeGeneral:
+ MONO_INST_NEW (cfg, ins, OP_MOVE);
+ ins->dreg = mono_alloc_ireg (cfg);
+ ins->sreg1 = tree->dreg;
+ MONO_ADD_INS (cfg->cbb, ins);
+ mono_call_inst_add_outarg_reg (cfg, call, ins->dreg, reg, FALSE);
+ break;
+ case RegTypeFP:
+ MONO_INST_NEW (cfg, ins, OP_FMOVE);
+ ins->dreg = mono_alloc_freg (cfg);
+ ins->sreg1 = tree->dreg;
+ MONO_ADD_INS (cfg->cbb, ins);
+ mono_call_inst_add_outarg_reg (cfg, call, ins->dreg, reg, TRUE);
+ break;
+ case RegTypeFPR4:
+ MONO_INST_NEW (cfg, ins, OP_S390_SETF4RET);
+ ins->dreg = mono_alloc_freg (cfg);
+ ins->sreg1 = tree->dreg;
+ MONO_ADD_INS (cfg->cbb, ins);
+ mono_call_inst_add_outarg_reg (cfg, call, ins->dreg, reg, TRUE);
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - emit_sig_cookie. */
+/* */
+/*------------------------------------------------------------------*/
+
+static void
+emit_sig_cookie (MonoCompile *cfg, MonoCallInst *call, CallInfo *cinfo)
+{
+ MonoMethodSignature *tmpSig;
+ MonoInst *sig_arg;
+
+ cfg->disable_aot = TRUE;
+
+ /*----------------------------------------------------------*/
+ /* mono_ArgIterator_Setup assumes the signature cookie is */
+ /* passed first and all the arguments which were before it */
+ /* passed on the stack after the signature. So compensate */
+ /* by passing a different signature. */
+ /*----------------------------------------------------------*/
+ tmpSig = mono_metadata_signature_dup (call->signature);
+ tmpSig->param_count -= call->signature->sentinelpos;
+ tmpSig->sentinelpos = 0;
+ if (tmpSig->param_count > 0)
+ memcpy (tmpSig->params,
+ call->signature->params + call->signature->sentinelpos,
+ tmpSig->param_count * sizeof(MonoType *));
+
+ MONO_INST_NEW (cfg, sig_arg, OP_ICONST);
+ sig_arg->dreg = mono_alloc_ireg (cfg);
+ sig_arg->inst_p0 = tmpSig;
+ 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);
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_emit_call */
+/* */
+/*------------------------------------------------------------------*/
+
+void
+mono_arch_emit_call (MonoCompile *cfg, MonoCallInst *call)
{
MonoInst *in;
- MonoCallArgParm *arg;
MonoMethodSignature *sig;
+ MonoInst *ins;
int i, n, lParamArea;
CallInfo *cinfo;
- ArgInfo *ainfo;
+ ArgInfo *ainfo = NULL;
+ 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);
- call->stack_usage = MAX(cinfo->sz.stack_size, 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);
+ 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);
cfg->flags |= MONO_CFG_HAS_CALLS;
- if (cinfo->struct_ret)
- call->used_iregs |= 1 << cinfo->ret.reg;
+ if (cinfo->struct_ret) {
+ MONO_INST_NEW (cfg, ins, OP_MOVE);
+ ins->sreg1 = call->vret_var->dreg;
+ ins->dreg = mono_alloc_preg (cfg);
+ MONO_ADD_INS (cfg->cbb, ins);
+ 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;
+
ainfo = cinfo->args + i;
+ if (i >= sig->hasthis)
+ t = sig->params [i - sig->hasthis];
+ else
+ t = &mono_defaults.int_class->byval_arg;
+ t = mono_type_get_underlying_type (t);
+
+ in = call->args [i];
- if (!(sig->pinvoke) &&
- (sig->call_convention == MONO_CALL_VARARG) &&
+ if ((sig->call_convention == MONO_CALL_VARARG) &&
+ (!sig->pinvoke) &&
(i == sig->sentinelpos)) {
- emit_sig_cookie (cfg, call, cinfo, ainfo->size);
+ emit_sig_cookie (cfg, call, cinfo);
}
- if (is_virtual && i == 0) {
- /* the argument will be attached to the call instrucion */
- in = call->args [i];
- call->used_iregs |= 1 << ainfo->reg;
- } else {
- MONO_INST_NEW_CALL_ARG (cfg, arg, OP_OUTARG);
- in = call->args [i];
- arg->ins.cil_code = in->cil_code;
- arg->ins.inst_left = in;
- arg->ins.type = in->type;
- MONO_INST_LIST_ADD_TAIL (&arg->ins.node, &call->out_args);
- arg->ins.inst_right = (MonoInst *) call;
- if (ainfo->regtype == RegTypeGeneral) {
- arg->ins.backend.reg3 = ainfo->reg;
- call->used_iregs |= 1 << ainfo->reg;
- } else if (ainfo->regtype == RegTypeStructByAddr) {
- call->used_iregs |= 1 << ainfo->reg;
- arg->ins.sreg1 = ainfo->reg;
- arg->ins.opcode = OP_OUTARG_VT;
- arg->size = -ainfo->vtsize;
- arg->offset = ainfo->offset;
- arg->offPrm = ainfo->offparm + cinfo->sz.offStruct;
- } else if (ainfo->regtype == RegTypeStructByVal) {
- if (ainfo->reg != STK_BASE)
- call->used_iregs |= 1 << ainfo->reg;
- arg->ins.sreg1 = ainfo->reg;
- arg->ins.opcode = OP_OUTARG_VT;
- arg->size = ainfo->size;
- arg->offset = ainfo->offset;
- arg->offPrm = ainfo->offparm + cinfo->sz.offStruct;
- } else if (ainfo->regtype == RegTypeBase) {
- arg->ins.opcode = OP_OUTARG_MEMBASE;
- arg->ins.sreg1 = ainfo->reg;
- arg->size = ainfo->size;
- arg->offset = ainfo->offset;
- call->used_iregs |= 1 << ainfo->reg;
- } else if (ainfo->regtype == RegTypeFP) {
- arg->ins.backend.reg3 = ainfo->reg;
- call->used_fregs |= 1 << ainfo->reg;
+ switch (ainfo->regtype) {
+ case RegTypeGeneral:
+ add_outarg_reg2 (cfg, call, ainfo->regtype, ainfo->reg, in);
+ break;
+ case RegTypeFP:
+ if (MONO_TYPE_ISSTRUCT (t)) {
+ /* Valuetype passed in one fp register */
+ ainfo->regtype = RegTypeStructByValInFP;
+ /* Fall through */
+ } else {
if (ainfo->size == 4)
- arg->ins.opcode = OP_OUTARG_R4;
- else
- arg->ins.opcode = OP_OUTARG_R8;
+ ainfo->regtype = RegTypeFPR4;
+ add_outarg_reg2 (cfg, call, ainfo->regtype, ainfo->reg, in);
+ break;
+ }
+ case RegTypeStructByVal:
+ case RegTypeStructByAddr:
+ case RegTypeStructByAddrOnStack: {
+ guint32 align;
+ guint32 size;
+
+ 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 {
+ /*
+ * Other backends use mono_type_stack_size (), but that
+ * aligns the size to 8, which is larger than the size of
+ * the source, leading to reads of invalid memory if the
+ * source is at the end of address space.
+ */
+ size = mono_class_value_size (in->klass, &align);
+ }
+
+ g_assert (in->klass);
+
+ ainfo->offparm += cinfo->sz.offStruct;
+
+ MONO_INST_NEW (cfg, ins, OP_OUTARG_VT);
+ ins->sreg1 = in->dreg;
+ ins->klass = in->klass;
+ ins->backend.size = ainfo->size;
+ ins->inst_p0 = call;
+ ins->inst_p1 = mono_mempool_alloc (cfg->mempool, sizeof (ArgInfo));
+ memcpy (ins->inst_p1, ainfo, sizeof (ArgInfo));
+
+ MONO_ADD_INS (cfg->cbb, ins);
+
+ if (ainfo->regtype == RegTypeStructByAddr) {
+ /*
+ * We use OP_OUTARG_VT to copy the valuetype to a stack location, then
+ * use the normal OUTARG opcodes to pass the address of the location to
+ * the callee.
+ */
+ int treg = mono_alloc_preg (cfg);
+ MONO_EMIT_NEW_BIALU_IMM (cfg, OP_ADD_IMM, treg,
+ 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,
+ frmReg, ainfo->offparm);
+ MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STORE_MEMBASE_REG,
+ ainfo->reg, ainfo->offset, treg);
+ }
+ 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);
+ } 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);
} else {
- g_assert_not_reached ();
+ 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)) {
+ switch (ainfo->size) {
+ case 1:
+ ins->opcode = OP_STOREI1_MEMBASE_REG;
+ break;
+ case 2:
+ ins->opcode = OP_STOREI2_MEMBASE_REG;
+ break;
+ case 4:
+ ins->opcode = OP_STOREI4_MEMBASE_REG;
+ break;
+ default:
+ break;
+ }
+ }
+#endif
+
+ MONO_ADD_INS (cfg->cbb, ins);
}
+ break;
+ default:
+ g_assert_not_reached ();
+ break;
}
}
/*
* Handle the case where there are no implicit arguments
*/
- if (!(sig->pinvoke) &&
- (sig->call_convention == MONO_CALL_VARARG) &&
- (n == sig->sentinelpos)) {
- emit_sig_cookie (cfg, call, cinfo, sizeof(MonoType *));
+ if ((sig->call_convention == MONO_CALL_VARARG) &&
+ (!sig->pinvoke) &&
+ (i == sig->sentinelpos)) {
+ emit_sig_cookie (cfg, call, cinfo);
}
-
- return call;
}
/*========================= End of Function ========================*/
/*------------------------------------------------------------------*/
/* */
-/* Name - emit_sig_cookie. */
+/* Name - mono_arch_emit_outarg_vt */
/* */
-/* Function - For variable length parameter lists construct a */
-/* signature cookie and emit it. */
-/* */
/*------------------------------------------------------------------*/
-static void
-emit_sig_cookie (MonoCompile *cfg, MonoCallInst *call,
- CallInfo *cinfo, int argSize)
+void
+mono_arch_emit_outarg_vt (MonoCompile *cfg, MonoInst *ins, MonoInst *src)
{
- MonoCallArgParm *arg;
- MonoMethodSignature *tmpSig;
- MonoInst *sigArg;
-
- cfg->disable_aot = TRUE;
+ MonoCallInst *call = (MonoCallInst*)ins->inst_p0;
+ ArgInfo *ainfo = (ArgInfo*)ins->inst_p1;
+ int size = ins->backend.size;
- /*----------------------------------------------------------*/
- /* mono_ArgIterator_Setup assumes the signature cookie is */
- /* passed first and all the arguments which were before it */
- /* passed on the stack after the signature. So compensate */
- /* by passing a different signature. */
- /*----------------------------------------------------------*/
- tmpSig = mono_metadata_signature_dup (call->signature);
- tmpSig->param_count -= call->signature->sentinelpos;
- tmpSig->sentinelpos = 0;
- if (tmpSig->param_count > 0)
- memcpy (tmpSig->params,
- call->signature->params + call->signature->sentinelpos,
- tmpSig->param_count * sizeof(MonoType *));
+ if (ainfo->regtype == RegTypeStructByVal) {
+ /*
+ arg->ins.sreg1 = ainfo->reg;
+ arg->ins.opcode = OP_OUTARG_VT;
+ arg->size = ainfo->size;
+ arg->offset = ainfo->offset;
+ arg->offPrm = ainfo->offparm + cinfo->sz.offStruct;
+ */
+ if (ainfo->reg != STK_BASE) {
+ MONO_OUTPUT_VTR (cfg, size, ainfo->reg, src->dreg, 0);
+ } else {
+ MONO_OUTPUT_VTS (cfg, size, ainfo->reg, ainfo->offset,
+ src->dreg, 0);
+ }
+ } else if (ainfo->regtype == RegTypeStructByValInFP) {
+ int dreg = mono_alloc_freg (cfg);
+
+ if (ainfo->size == 4) {
+ MONO_EMIT_NEW_LOAD_MEMBASE_OP (cfg, OP_LOADR4_MEMBASE, dreg, src->dreg, 0);
+ MONO_EMIT_NEW_UNALU (cfg, OP_S390_SETF4RET, dreg, dreg);
+ } else {
+ g_assert (ainfo->size == 8);
+
+ MONO_EMIT_NEW_LOAD_MEMBASE_OP (cfg, OP_LOADR8_MEMBASE, dreg, src->dreg, 0);
+ }
+
+ mono_call_inst_add_outarg_reg (cfg, call, dreg, ainfo->reg, TRUE);
+ } else {
+ 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);
+ }
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_emit_setret */
+/* */
+/*------------------------------------------------------------------*/
- MONO_INST_NEW (cfg, sigArg, OP_ICONST);
- sigArg->inst_p0 = tmpSig;
+void
+mono_arch_emit_setret (MonoCompile *cfg, MonoMethod *method, MonoInst *val)
+{
+ MonoType *ret = mono_type_get_underlying_type (mono_method_signature (method)->ret);
- MONO_INST_NEW_CALL_ARG (cfg, arg, OP_OUTARG_MEMBASE);
- arg->ins.inst_left = sigArg;
- arg->ins.inst_right = (MonoInst *) call;
- arg->size = argSize;
- arg->offset = cinfo->sigCookie.offset;
- MONO_INST_LIST_ADD_TAIL (&arg->ins.node, &call->out_args);
+ if (!ret->byref) {
+ if (ret->type == MONO_TYPE_R4) {
+ MONO_EMIT_NEW_UNALU (cfg, OP_S390_SETF4RET, s390_f0, val->dreg);
+ return;
+ } else if (ret->type == MONO_TYPE_R8) {
+ MONO_EMIT_NEW_UNALU (cfg, OP_FMOVE, s390_f0, val->dreg);
+ return;
+ }
+ }
+
+ MONO_EMIT_NEW_UNALU (cfg, OP_MOVE, cfg->ret->dreg, val->dreg);
}
/*========================= End of Function ========================*/
/*------------------------------------------------------------------*/
void*
-mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments)
+mono_arch_instrument_epilog_full (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments, gboolean preserve_argument_registers)
{
guchar *code = p;
int save_mode = SAVE_NONE,
break;
case MONO_TYPE_VALUETYPE:
if (mono_method_signature (method)->ret->data.klass->enumtype) {
- rtype = mono_method_signature (method)->ret->data.klass->enum_basetype->type;
+ rtype = mono_class_enum_basetype (mono_method_signature (method)->ret->data.klass)->type;
goto handle_enum;
}
save_mode = SAVE_STRUCT;
/*========================= 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)
{
MonoInst *ins, *next;
- if (bb->max_vreg > cfg->rs->next_vreg)
- cfg->rs->next_vreg = bb->max_vreg;
-
MONO_BB_FOR_EACH_INS_SAFE (bb, next, ins) {
switch (ins->opcode) {
case OP_DIV_IMM:
case OP_IREM_IMM:
case OP_IDIV_UN_IMM:
case OP_IREM_UN_IMM:
- mono_decompose_op_imm (cfg, ins);
+ case OP_LAND_IMM:
+ case OP_LOR_IMM:
+ case OP_LXOR_IMM:
+ case OP_LOCALLOC_IMM:
+ mono_decompose_op_imm (cfg, bb, ins);
+ break;
+ case OP_LADD_IMM:
+ if (!s390_is_imm16 (ins->inst_imm))
+ /* This is created by the memcpy code which ignores is_inst_imm */
+ mono_decompose_op_imm (cfg, bb, ins);
break;
default:
break;
}
}
- bb->max_vreg = cfg->rs->next_vreg;
+ bb->max_vreg = cfg->next_vreg;
}
/*========================= End of Function ========================*/
{
/* sreg is a float, dreg is an integer reg. */
if (is_signed) {
- s390_cfdbr (code, dreg, 5, sreg);
+ s390_cgdbr (code, dreg, 5, sreg);
switch (size) {
case 1:
s390_lghi (code, s390_r0, 0);
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]);
/*========================= End of Function ========================*/
+/*------------------------------------------------------------------*/
+/* */
+/* Name - gboolean_is_unsigned. */
+/* */
+/* Function - Return TRUE if next opcode is checking for un- */
+/* signed value. */
+/* */
+/*------------------------------------------------------------------*/
+
+static
+gboolean is_unsigned (MonoInst *next)
+{
+ if ((next) &&
+ (((next->opcode >= OP_IBNE_UN) &&
+ (next->opcode <= OP_IBLT_UN)) ||
+ ((next->opcode >= OP_LBNE_UN) &&
+ (next->opcode <= OP_LBLT_UN)) ||
+ ((next->opcode >= OP_COND_EXC_NE_UN) &&
+ (next->opcode <= OP_COND_EXC_LT_UN)) ||
+ ((next->opcode >= OP_COND_EXC_INE_UN) &&
+ (next->opcode <= OP_COND_EXC_ILT_UN)) ||
+ ((next->opcode == OP_CLT_UN) ||
+ (next->opcode == OP_CGT_UN)) ||
+ ((next->opcode == OP_ICLT_UN) ||
+ (next->opcode == OP_ICGT_UN) ||
+ (next->opcode == OP_LCLT_UN) ||
+ (next->opcode == OP_LCGT_UN))))
+ return TRUE;
+ else
+ return FALSE;
+}
+
+/*========================= End of Function ========================*/
+
/*------------------------------------------------------------------*/
/* */
/* Name - mono_arch_output_basic_block */
void
mono_arch_output_basic_block (MonoCompile *cfg, MonoBasicBlock *bb)
{
- MonoInst *ins, *next;
+ MonoInst *ins;
MonoCallInst *call;
guint offset;
guint8 *code = cfg->native_code + cfg->code_len;
}
break;
case OP_LCONV_TO_I1: {
- s390_lghi (code, s390_r0, 0x80);
- if (ins->dreg != ins->sreg1) {
- s390_lgr (code, ins->dreg, ins->sreg1);
- }
- s390_ngr (code, s390_r0, ins->sreg1);
- s390_jz (code, 9);
- s390_lghi (code, s390_r13, -1);
- s390_sllg (code, s390_r13, s390_r13, 0, 8);
- s390_ogr (code, ins->dreg, s390_r13);
+#if 0
+ s390_lgbr (code, ins->dreg, ins->sreg1);
+#else
+ s390_sllg (code, ins->dreg, ins->sreg1, 0, 56);
+ s390_srag (code, ins->dreg, ins->dreg, 0, 56);
+#endif
}
break;
case OP_LCONV_TO_I2: {
- s390_lghi (code, s390_r0, 0x80);
- s390_sllg (code, s390_r0, s390_r0, 0, 8);
- if (ins->dreg != ins->sreg1) {
- s390_lgr (code, ins->dreg, ins->sreg1);
- }
- s390_ngr (code, s390_r0, ins->sreg1);
- s390_jz (code, 9);
- s390_lghi (code, s390_r13, -1);
- s390_sllg (code, s390_r13, s390_r13, 0, 16);
- s390_ogr (code, ins->dreg, s390_r13);
+#if 0
+ s390_lghr (code, ins->dreg, ins->sreg1);
+#else
+ s390_sllg (code, ins->dreg, ins->sreg1, 0, 48);
+ s390_srag (code, ins->dreg, ins->dreg, 0, 48);
+#endif
}
break;
case OP_LCONV_TO_U1: {
- s390_lghi (code, s390_r0, 0xff);
- if (ins->dreg != ins->sreg1) {
+#if 0
+ s390_llghr (code, ins->dreg, ins->sreg1);
+#else
+ if (ins->dreg != ins->sreg1)
s390_lgr (code, ins->dreg, ins->sreg1);
- }
- s390_ngr (code, ins->dreg, s390_r0);
+ s390_lghi (code, s390_r0, 0xff);
+ s390_ngr (code, ins->dreg, s390_r0);
+#endif
}
break;
case OP_LCONV_TO_U2: {
- s390_lghi (code, s390_r0, -1);
- s390_sllg (code, s390_r0, s390_r0, 0, 16);
- s390_srlg (code, s390_r0, s390_r0, 0, 16);
- if (ins->dreg != ins->sreg1) {
+#if 0
+ s390_llghr (code, ins->dreg, ins->sreg1);
+#else
+ if (ins->dreg != ins->sreg1)
s390_lgr (code, ins->dreg, ins->sreg1);
- }
- s390_ngr (code, ins->dreg, s390_r0);
+ s390_lghi (code, s390_r0, -1);
+ s390_srlg (code, s390_r0, s390_r0, 0, 48);
+ s390_ngr (code, ins->dreg, s390_r0);
+#endif
+ }
+ break;
+ case OP_ICONV_TO_I1: {
+#if 0
+ s390_lbr (code, ins->dreg, ins->sreg1);
+#else
+ if (ins->dreg != ins->sreg1)
+ s390_lr (code, ins->dreg, ins->sreg1);
+ s390_sll (code, ins->dreg, 0, 24);
+ s390_sra (code, ins->dreg, 0, 24);
+
+#endif
+ }
+ break;
+ case OP_ICONV_TO_I2: {
+#if 0
+ s390_lhr (code, ins->dreg, ins->sreg1);
+#else
+ if (ins->dreg != ins->sreg1)
+ s390_lr (code, ins->dreg, ins->sreg1);
+ s390_sll (code, ins->dreg, 0, 16);
+ s390_sra (code, ins->dreg, 0, 16);
+#endif
+ }
+ break;
+ case OP_ICONV_TO_U1: {
+#if 0
+ s390_llcr (code, ins->dreg, ins->sreg1);
+#else
+ if (ins->dreg != ins->sreg1)
+ s390_lr (code, ins->dreg, ins->sreg1);
+ s390_lhi (code, s390_r0, 0xff);
+ s390_nr (code, ins->dreg, s390_r0);
+#endif
+ }
+ break;
+ case OP_ICONV_TO_U2: {
+#if 0
+ s390_llhr (code, ins->dreg, ins->sreg1);
+#else
+ if (ins->dreg != ins->sreg1)
+ s390_lr (code, ins->dreg, ins->sreg1);
+ s390_lhi (code, s390_r0, -1);
+ s390_srl (code, s390_r0, 0, 16);
+ s390_nr (code, ins->dreg, s390_r0);
+#endif
}
break;
case OP_COMPARE:
case OP_LCOMPARE: {
- next = mono_inst_list_next (&ins->node, &bb->ins_list);
- if ((next) && (mono_opcode_to_cond(next->opcode) >= CMP_LE_UN))
+ if (is_unsigned (ins->next))
s390_clgr (code, ins->sreg1, ins->sreg2);
else
s390_cgr (code, ins->sreg1, ins->sreg2);
}
break;
- case OP_COMPARE_IMM: {
- next = mono_inst_list_next (&ins->node, &bb->ins_list);
+ case OP_ICOMPARE: {
+ if (is_unsigned (ins->next))
+ s390_clr (code, ins->sreg1, ins->sreg2);
+ else
+ s390_cr (code, ins->sreg1, ins->sreg2);
+ }
+ break;
+ case OP_COMPARE_IMM:
+ case OP_LCOMPARE_IMM: {
if (s390_is_imm16 (ins->inst_imm)) {
s390_lghi (code, s390_r0, ins->inst_imm);
- if ((next) &&
- (mono_opcode_to_cond(next->opcode) >= CMP_LE_UN))
+ if (is_unsigned (ins->next))
s390_clgr (code, ins->sreg1, s390_r0);
else
s390_cgr (code, ins->sreg1, s390_r0);
s390_basr (code, s390_r13, 0);
s390_j (code, 6);
s390_llong(code, ins->inst_imm);
- if ((next) &&
- (mono_opcode_to_cond(next->opcode) >= CMP_LE_UN))
+ if (is_unsigned (ins->next))
s390_clg (code, ins->sreg1, 0, s390_r13, 4);
else
s390_cg (code, ins->sreg1, 0, s390_r13, 4);
}
}
break;
- case OP_ICOMPARE: {
- next = mono_inst_list_next (&ins->node, &bb->ins_list);
- if ((next) && (mono_opcode_to_cond(next->opcode) >= CMP_LE_UN))
- s390_clr (code, ins->sreg1, ins->sreg2);
- else
- s390_cr (code, ins->sreg1, ins->sreg2);
- }
- break;
case OP_ICOMPARE_IMM: {
- next = mono_inst_list_next (&ins->node, &bb->ins_list);
if (s390_is_imm16 (ins->inst_imm)) {
s390_lghi (code, s390_r0, ins->inst_imm);
- if ((next) &&
- (mono_opcode_to_cond(next->opcode) >= CMP_LE_UN))
+ if (is_unsigned (ins->next))
s390_clr (code, ins->sreg1, s390_r0);
else
s390_cr (code, ins->sreg1, s390_r0);
s390_basr (code, s390_r13, 0);
s390_j (code, 4);
s390_word (code, ins->inst_imm);
- if ((next) &&
- (mono_opcode_to_cond(next->opcode) >= CMP_LE_UN))
+ if (is_unsigned (ins->next))
s390_cl (code, ins->sreg1, 0, s390_r13, 4);
else
s390_c (code, ins->sreg1, 0, s390_r13, 4);
break;
case OP_ADDCC: {
CHECK_SRCDST_COM;
- s390_algr (code, ins->dreg, src2);
+ s390_agr (code, ins->dreg, src2);
}
break;
case OP_LADD: {
}
}
break;
+ case OP_LADD_IMM: {
+ if (ins->dreg != ins->sreg1) {
+ s390_lgr (code, ins->dreg, ins->sreg1);
+ }
+ g_assert (s390_is_imm16 (ins->inst_imm));
+ s390_aghi (code, ins->dreg, ins->inst_imm);
+ }
+ break;
case OP_ADC_IMM: {
if (ins->dreg != ins->sreg1) {
s390_lgr (code, ins->dreg, ins->sreg1);
}
}
break;
- case OP_IADD_OVF: {
+ case OP_IADD_OVF:
+ case OP_S390_IADD_OVF: {
CHECK_SRCDST_COM;
s390_ar (code, ins->dreg, src2);
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
s390_lgfr (code, ins->dreg, ins->dreg);
}
break;
- case OP_IADD_OVF_UN: {
+ case OP_IADD_OVF_UN:
+ case OP_S390_IADD_OVF_UN: {
CHECK_SRCDST_COM;
s390_algr (code, ins->dreg, src2);
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY, "OverflowException");
break;
case OP_SUBCC: {
CHECK_SRCDST_NCOM;
- s390_slgr (code, ins->dreg, src2);
+ s390_sgr (code, ins->dreg, src2);
}
break;
case OP_LSUB: {
}
}
break;
+ case OP_LSUB_IMM: {
+ if (ins->dreg != ins->sreg1) {
+ s390_lgr (code, ins->dreg, ins->sreg1);
+ }
+ if (s390_is_imm16 (-ins->inst_imm)) {
+ s390_lghi (code, s390_r0, ins->inst_imm);
+ s390_slgr (code, ins->dreg, s390_r0);
+ } else {
+ s390_basr (code, s390_r13, 0);
+ s390_j (code, 6);
+ s390_llong(code, ins->inst_imm);
+ s390_slg (code, ins->dreg, 0, s390_r13, 4);
+ }
+ }
+ break;
case OP_SBB_IMM: {
if (ins->dreg != ins->sreg1) {
s390_lgr (code, ins->dreg, ins->sreg1);
}
}
break;
- case OP_LADD_OVF: {
+ case OP_LADD_OVF:
+ case OP_S390_LADD_OVF: {
CHECK_SRCDST_COM;
s390_agr (code, ins->dreg, src2);
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
}
break;
- case OP_LADD_OVF_UN: {
+ case OP_LADD_OVF_UN:
+ case OP_S390_LADD_OVF_UN: {
CHECK_SRCDST_COM;
s390_algr (code, ins->dreg, src2);
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY, "OverflowException");
s390_slgf (code, ins->dreg, 0, s390_r13, 4);
}
break;
- case OP_ISUB_OVF: {
+ case OP_ISUB_OVF:
+ case OP_S390_ISUB_OVF: {
CHECK_SRCDST_NCOM;
s390_sr (code, ins->dreg, src2);
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
s390_lgfr (code, ins->dreg, ins->dreg);
}
break;
- case OP_ISUB_OVF_UN: {
+ case OP_ISUB_OVF_UN:
+ case OP_S390_ISUB_OVF_UN: {
CHECK_SRCDST_NCOM;
s390_slr (code, ins->dreg, src2);
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NC, "OverflowException");
s390_llgfr(code, ins->dreg, ins->dreg);
}
break;
- case OP_LSUB_OVF: {
+ case OP_LSUB_OVF:
+ case OP_S390_LSUB_OVF: {
CHECK_SRCDST_NCOM;
s390_sgr (code, ins->dreg, src2);
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, "OverflowException");
}
break;
- case OP_LSUB_OVF_UN: {
+ case OP_LSUB_OVF_UN:
+ case OP_S390_LSUB_OVF_UN: {
CHECK_SRCDST_NCOM;
s390_slgr (code, ins->dreg, src2);
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NC, "OverflowException");
}
break;
case OP_ISHL: {
- if (ins->sreg1 != ins->dreg) {
- s390_lgfr (code, ins->dreg, ins->sreg1);
- }
- s390_sll (code, ins->dreg, ins->sreg2, 0);
+ CHECK_SRCDST_NCOM;
+ s390_sll (code, ins->dreg, src2, 0);
}
break;
case OP_ISHL_IMM: {
s390_sll (code, ins->dreg, 0, (ins->inst_imm & 0x1f));
}
break;
- case OP_ISHR: {
- if (ins->sreg1 != ins->dreg) {
- s390_lgfr (code, ins->dreg, ins->sreg1);
- }
- s390_sra (code, ins->dreg, ins->sreg2, 0);
+ case OP_ISHR: {
+ CHECK_SRCDST_NCOM;
+ s390_sra (code, ins->dreg, src2, 0);
}
break;
case OP_ISHR_IMM: {
}
break;
case OP_ISHR_UN: {
- if (ins->sreg1 != ins->dreg) {
- s390_lgfr (code, ins->dreg, ins->sreg1);
- }
- s390_srl (code, ins->dreg, ins->sreg2, 0);
+ CHECK_SRCDST_NCOM;
+ s390_srl (code, ins->dreg, src2, 0);
}
break;
case OP_INOT: {
s390_lg (code,ins->dreg, 0, s390_r13, 4);
}
break;
+ case OP_JUMP_TABLE: {
+ mono_add_patch_info (cfg, code - cfg->native_code,
+ (MonoJumpInfoType)ins->inst_i1, ins->inst_p0);
+ s390_basr (code, s390_r13, 0);
+ s390_j (code, 6);
+ s390_llong (code, 0);
+ s390_lg (code, ins->dreg, 0, s390_r13, 4);
+ }
+ break;
case OP_MOVE:
if (ins->dreg != ins->sreg1) {
s390_lgr (code, ins->dreg, ins->sreg1);
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_LT, "OverflowException");
s390_lgfr (code, ins->dreg, ins->sreg1);
break;
- case OP_FMOVE: {
+ case OP_FMOVE:
+ case OP_FCONV_TO_R4: {
if (ins->dreg != ins->sreg1) {
s390_ldr (code, ins->dreg, ins->sreg1);
}
s390_ledbr (code, ins->dreg, ins->sreg1);
}
break;
- case OP_FCONV_TO_R4: {
- g_error ("Shouldn't be reached");
- next = mono_inst_list_next (&ins->node, &bb->ins_list);
- if ((next) &&
- (next->opcode != OP_FMOVE) &&
- (next->opcode != OP_STORER4_MEMBASE_REG))
- s390_ledbr (code, ins->dreg, ins->sreg1);
- }
- break;
case OP_JMP: {
if (cfg->method->save_lmf)
restoreLMF(code, cfg->frame_reg, cfg->stack_usage);
if (cfg->flags & MONO_CFG_HAS_TAIL) {
- code = emit_load_volatile_registers(code, cfg);
+ code = emit_load_volatile_arguments (code, cfg);
}
code = backUpStackPtr(cfg, code);
break;
case OP_LCALL:
case OP_VCALL:
+ case OP_VCALL2:
case OP_VOIDCALL:
case OP_CALL: {
s390_basr (code, s390_r13, 0);
break;
case OP_LCALL_REG:
case OP_VCALL_REG:
+ case OP_VCALL2_REG:
case OP_VOIDCALL_REG:
case OP_CALL_REG: {
s390_lgr (code, s390_r1, ins->sreg1);
break;
case OP_LCALL_MEMBASE:
case OP_VCALL_MEMBASE:
+ case OP_VCALL2_MEMBASE:
case OP_VOIDCALL_MEMBASE:
case OP_CALL_MEMBASE: {
s390_lg (code, s390_r1, 0, ins->sreg1, ins->inst_offset);
s390_basr (code, s390_r14, s390_r1);
}
break;
- case OP_OUTARG:
- g_assert_not_reached ();
- 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);
}
break;
case OP_START_HANDLER: {
+ MonoInst *spvar = mono_find_spvar_for_region (cfg, bb->region);
+
S390_LONG (code, stg, stg, s390_r14, 0,
- ins->inst_left->inst_basereg,
- ins->inst_left->inst_offset);
+ spvar->inst_basereg,
+ spvar->inst_offset);
}
break;
case OP_ENDFILTER: {
+ MonoInst *spvar = mono_find_spvar_for_region (cfg, bb->region);
+
if (ins->sreg1 != s390_r2)
s390_lgr(code, s390_r2, ins->sreg1);
S390_LONG (code, lg, lg, s390_r14, 0,
- ins->inst_left->inst_basereg,
- ins->inst_left->inst_offset);
+ spvar->inst_basereg,
+ spvar->inst_offset);
s390_br (code, s390_r14);
}
break;
case OP_ENDFINALLY: {
+ MonoInst *spvar = mono_find_spvar_for_region (cfg, bb->region);
+
S390_LONG (code, lg, lg, s390_r14, 0,
- ins->inst_left->inst_basereg,
- ins->inst_left->inst_offset);
+ spvar->inst_basereg,
+ spvar->inst_offset);
s390_br (code, s390_r14);
}
break;
mono_add_patch_info (cfg, code-cfg->native_code,
MONO_PATCH_INFO_BB, ins->inst_target_bb);
s390_brasl (code, s390_r14, 0);
+ mono_cfg_add_try_hole (cfg, ins->inst_eh_block, code, bb);
}
break;
case OP_LABEL: {
ins->inst_c0 = code - cfg->native_code;
+ }
+ break;
+ case OP_RELAXED_NOP:
+ case OP_NOP:
+ case OP_DUMMY_USE:
+ case OP_DUMMY_STORE:
+ case OP_NOT_REACHED:
+ case OP_NOT_NULL: {
}
break;
case OP_BR:
}
break;
case OP_CEQ:
- case OP_ICEQ: {
+ case OP_ICEQ:
+ case OP_LCEQ: {
s390_lghi(code, ins->dreg, 1);
s390_jz (code, 4);
s390_lghi(code, ins->dreg, 0);
}
break;
case OP_CLT:
- case OP_ICLT: {
+ case OP_ICLT:
+ case OP_LCLT: {
s390_lghi(code, ins->dreg, 1);
s390_jl (code, 4);
s390_lghi(code, ins->dreg, 0);
}
break;
case OP_CLT_UN:
- case OP_ICLT_UN: {
+ case OP_ICLT_UN:
+ case OP_LCLT_UN: {
s390_lghi(code, ins->dreg, 1);
s390_jlo (code, 4);
s390_lghi(code, ins->dreg, 0);
}
break;
case OP_CGT:
- case OP_ICGT: {
+ case OP_ICGT:
+ case OP_LCGT: {
s390_lghi(code, ins->dreg, 1);
s390_jh (code, 4);
s390_lghi(code, ins->dreg, 0);
}
break;
case OP_CGT_UN:
- case OP_ICGT_UN: {
+ case OP_ICGT_UN:
+ case OP_LCGT_UN: {
s390_lghi(code, ins->dreg, 1);
s390_jho (code, 4);
s390_lghi(code, ins->dreg, 0);
}
break;
case OP_COND_EXC_EQ:
+ case OP_COND_EXC_IEQ:
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_EQ, ins->inst_p1);
break;
case OP_COND_EXC_NE_UN:
+ case OP_COND_EXC_INE_UN:
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NE, ins->inst_p1);
break;
case OP_COND_EXC_LT:
+ case OP_COND_EXC_ILT:
case OP_COND_EXC_LT_UN:
+ case OP_COND_EXC_ILT_UN:
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_LT, ins->inst_p1);
break;
case OP_COND_EXC_GT:
+ case OP_COND_EXC_IGT:
case OP_COND_EXC_GT_UN:
+ case OP_COND_EXC_IGT_UN:
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_GT, ins->inst_p1);
break;
case OP_COND_EXC_GE:
+ case OP_COND_EXC_IGE:
case OP_COND_EXC_GE_UN:
+ case OP_COND_EXC_IGE_UN:
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_GE, ins->inst_p1);
break;
case OP_COND_EXC_LE:
+ case OP_COND_EXC_ILE:
case OP_COND_EXC_LE_UN:
+ case OP_COND_EXC_ILE_UN:
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_LE, ins->inst_p1);
break;
case OP_COND_EXC_OV:
+ case OP_COND_EXC_IOV:
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_OV, ins->inst_p1);
break;
case OP_COND_EXC_NO:
+ case OP_COND_EXC_INO:
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NO, ins->inst_p1);
break;
case OP_COND_EXC_C:
+ case OP_COND_EXC_IC:
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_CY, ins->inst_p1);
break;
case OP_COND_EXC_NC:
+ case OP_COND_EXC_INC:
EMIT_COND_SYSTEM_EXCEPTION (S390_CC_NC, ins->inst_p1);
break;
case OP_LBEQ:
s390_ldebr (code, ins->dreg, s390_f15);
}
break;
+ case OP_ICONV_TO_R_UN: {
+ s390_cdfbr (code, ins->dreg, ins->sreg1);
+ s390_ltr (code, ins->sreg1, ins->sreg1);
+ s390_jnl (code, 12);
+ s390_basr (code, s390_r13, 0);
+ s390_j (code, 6);
+ s390_word (code, 0x41f00000);
+ s390_word (code, 0);
+ s390_adb (code, ins->dreg, 0, s390_r13, 4);
+ }
+ break;
case OP_LCONV_TO_R_UN: {
s390_cdgbr (code, ins->dreg, ins->sreg1);
s390_ltgr (code, ins->sreg1, ins->sreg1);
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);
/*------------------------------------------------------------------*/
/* */
-/* Name - emit_load_volatile_registers */
+/* Name - emit_load_volatile_arguments */
/* */
/* Function - Emit the instructions to reload parameter regist- */
/* registers for use with "tail" operations. */
/*------------------------------------------------------------------*/
guint8 *
-emit_load_volatile_registers (guint8 *code, MonoCompile *cfg)
+emit_load_volatile_arguments (guint8 *code, MonoCompile *cfg)
{
MonoInst *inst;
MonoMethod *method = cfg->method;
MonoInst *inst;
int alloc_size, pos, max_offset, i;
guint8 *code;
+ guint32 size;
CallInfo *cinfo;
int tracing = 0;
int lmfOffset;
s390_stmg (code, s390_r6, s390_r14, STK_BASE, S390_REG_SAVE_OFFSET);
+ if (cfg->arch.bkchain_reg != -1)
+ s390_lgr (code, cfg->arch.bkchain_reg, STK_BASE);
+
if (cfg->flags & MONO_CFG_HAS_ALLOCA) {
cfg->used_int_regs |= 1 << 11;
}
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);
}
for (i = 0; i < sig->param_count + sig->hasthis; ++i) {
ArgInfo *ainfo = cinfo->args + i;
inst = cfg->args [pos];
+
+ if (inst->opcode == OP_VTARG_ADDR)
+ inst = inst->inst_left;
if (inst->opcode == OP_REGVAR) {
if (ainfo->regtype == RegTypeGeneral)
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);
}
} else if (ainfo->regtype == RegTypeStructByAddr) {
s390_stg (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
+ } else if (ainfo->regtype == RegTypeStructByAddrOnStack) {
} else
g_assert_not_reached ();
}
/*---------------------------------------------------------------*/
/* On return from this call r2 have the address of the &lmf */
/*---------------------------------------------------------------*/
- s390_basr(code, s390_r10, 0);
+ 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_r10, 4);
+ s390_lg (code, s390_r1, 0, s390_r14, 4);
s390_basr (code, s390_r14, s390_r1);
/*---------------------------------------------------------------*/
/*---------------------------------------------*/
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);
void
mono_arch_free_jit_tls_data (MonoJitTlsData *tls)
{
-
}
/*========================= End of Function ========================*/
/*------------------------------------------------------------------*/
/* */
-/* Name - mono_arch_emit_this_vret_args */
+/* Name - mono_arch_emit_inst_for_method */
/* */
-/* Function - */
-/* */
/*------------------------------------------------------------------*/
-void
-mono_arch_emit_this_vret_args (MonoCompile *cfg, MonoCallInst *inst, int this_reg, int this_type, int vt_reg)
+MonoInst*
+mono_arch_emit_inst_for_method (MonoCompile *cfg, MonoMethod *cmethod, MonoMethodSignature *fsig, MonoInst **args)
{
- int this_dreg = s390_r2;
-
- if (vt_reg != -1)
- this_dreg = s390_r3;
-
- /* add the this argument */
- if (this_reg != -1) {
- MonoInst *this;
- MONO_INST_NEW (cfg, this, OP_MOVE);
- this->type = this_type;
- this->sreg1 = this_reg;
- this->dreg = mono_regstate_next_int (cfg->rs);
- mono_bblock_add_inst (cfg->cbb, this);
- mono_call_inst_add_outarg_reg (cfg, inst, this->dreg, this_dreg, FALSE);
- }
-
- if (vt_reg != -1) {
- MonoInst *vtarg;
- MONO_INST_NEW (cfg, vtarg, OP_MOVE);
- vtarg->type = STACK_MP;
- vtarg->sreg1 = vt_reg;
- vtarg->dreg = mono_regstate_next_int (cfg->rs);
- mono_bblock_add_inst (cfg->cbb, vtarg);
- mono_call_inst_add_outarg_reg (cfg, inst, vtarg->dreg, s390_r2, FALSE);
- }
+ return NULL;
}
/*========================= End of Function ========================*/
/*------------------------------------------------------------------*/
/* */
-/* Name - mono_arch_get_inst_for_method */
+/* Name - mono_arch_decompose_opts */
/* */
-/* Function - Check for opcodes we can handle directly in */
-/* hardware. */
+/* Function - Decompose opcode into a System z opcode. */
/* */
/*------------------------------------------------------------------*/
-MonoInst*
-mono_arch_get_inst_for_method (MonoCompile *cfg, MonoMethod *cmethod,
- MonoMethodSignature *fsig, MonoInst **args)
+void
+mono_arch_decompose_opts (MonoCompile *cfg, MonoInst *ins)
{
- MonoInst *ins = NULL;
-
- if (cmethod->klass == mono_defaults.math_class) {
- if (strcmp (cmethod->name, "Sqrt") == 0) {
- MONO_INST_NEW (cfg, ins, OP_SQRT);
- ins->inst_i0 = args [0];
- }
-// if (strcmp (cmethod->name, "Abs") == 0) {
-// MONO_INST_NEW (cfg, ins, OP_ABS);
-// ins->inst_i0 = args [0];
-// }
+ /*
+ * Have to rename these to avoid being decomposed normally, since the normal
+ * decomposition does not work on S390.
+ */
+ switch (ins->opcode) {
+ case OP_ISUB_OVF:
+ ins->opcode = OP_S390_ISUB_OVF;
+ break;
+ case OP_ISUB_OVF_UN:
+ ins->opcode = OP_S390_ISUB_OVF_UN;
+ break;
+ case OP_IADD_OVF:
+ ins->opcode = OP_S390_IADD_OVF;
+ break;
+ case OP_IADD_OVF_UN:
+ ins->opcode = OP_S390_IADD_OVF_UN;
+ break;
+ case OP_LADD_OVF:
+ ins->opcode = OP_S390_LADD_OVF;
+ break;
+ case OP_LADD_OVF_UN:
+ ins->opcode = OP_S390_LADD_OVF_UN;
+ break;
+ case OP_LSUB_OVF:
+ ins->opcode = OP_S390_LSUB_OVF;
+ break;
+ case OP_LSUB_OVF_UN:
+ ins->opcode = OP_S390_LSUB_OVF_UN;
+ break;
+ default:
+ break;
}
-
- return ins;
}
/*========================= End of Function ========================*/
/*========================= End of Function ========================*/
-/*------------------------------------------------------------------*/
-/* */
-/* Name - mono_arch_get_thread_intrinsic */
-/* */
-/* Function - */
-/* */
-/* Returns - */
-/* */
-/*------------------------------------------------------------------*/
-
-MonoInst *
-mono_arch_get_thread_intrinsic (MonoCompile* cfg)
-{
- MonoInst *ins;
-
- if (thread_tls_offset == -1)
- return NULL;
-
- MONO_INST_NEW (cfg, ins, OP_TLS_GET);
- ins->inst_offset = thread_tls_offset;
- return (ins);
-}
-
-/*========================= End of Function ========================*/
-
/*------------------------------------------------------------------*/
/* */
/* Name - mono_arch_flush_register_windows */
/*========================= End of Function ========================*/
-/*========================= End of Function ========================*/
-
/*------------------------------------------------------------------*/
/* */
/* Name - mono_arch_get_patch_offset */
/*========================= End of Function ========================*/
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_context_get_int_reg. */
+/* */
+/* Function - */
+/* */
+/* Returns - Offset for patch. */
+/* */
+/*------------------------------------------------------------------*/
+
gpointer
mono_arch_context_get_int_reg (MonoContext *ctx, int reg)
{
g_assert_not_reached ();
return NULL;
}
+
+/*========================= 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 ========================*/