#define SAVE_FP_REGS 0
#define SAVE_ALL_REGS 0
#define EXTRA_STACK_SPACE 0 /* suppresses some s-reg corruption issues */
-#define LONG_BRANCH 1 /* needed for yyparse in mcs */
#define SAVE_LMF 1
#define ALWAYS_USE_FP 1
#define PROMOTE_R4_TO_R8 1 /* promote single values in registers to doubles */
#define USE_MUL 1 /* use mul instead of mult/mflo for multiply */
+/* Emit a call sequence to 'v', using 'D' as a scratch register if necessary */
+#define mips_call(c,D,v) do { \
+ guint32 _target = (guint32)(v); \
+ if (1 || !(v) || ((_target & 0xfc000000) != (((guint32)(c)) & 0xfc000000))) { \
+ mips_load_const (c, D, _target); \
+ mips_jalr (c, D, mips_ra); \
+ } \
+ else { \
+ mips_jumpl (c, _target >> 2); \
+ } \
+ mips_nop (c); \
+ } while (0)
+
enum {
TLS_MODE_DETECT,
TLS_MODE_FAILED,
int fr;
gboolean gr_passed;
gboolean on_stack;
+ gboolean vtype_retaddr;
int stack_size;
guint32 stack_usage;
guint32 struct_ret;
guint32 addr;
MonoClass *exc_class;
- exc_class = mono_class_from_name (mono_defaults.corlib, "System", patch_info->data.name);
+ exc_class = mono_class_from_name (mono_defaults.corlib, "System", name);
g_assert (exc_class);
mips_load_const (code, mips_a0, exc_class->type_token);
- addr = (guint32) mono_arch_get_throw_corlib_exception ();
- mips_load_const (code, mips_t9, addr);
- mips_jalr (code, mips_t9, mips_ra);
- mips_nop (code);
-
+ addr = (guint32) mono_get_throw_corlib_exception ();
+ mips_call (code, mips_t9, addr);
return code;
}
if (mips_is_imm16 (v))
mips_addiu (code, dreg, mips_zero, ((guint32)v) & 0xffff);
else {
-#ifdef SIZEOF_REGISTER == 8
+#if SIZEOF_REGISTER == 8
if (v != (long) v) {
/* v is not a sign-extended 32-bit value */
mips_lui (code, dreg, mips_zero, (guint32)((v >> (32+16)) & 0xffff));
guint8 *
mips_emit_cond_branch (MonoCompile *cfg, guint8 *code, int op, MonoInst *ins)
{
-#if LONG_BRANCH
- int br_offset = 5;
-#endif
-
g_assert (ins);
-#if LONG_BRANCH
- /* Invert test and emit branch around jump */
- switch (op) {
- case OP_MIPS_BEQ:
- mips_bne (code, ins->sreg1, ins->sreg2, br_offset);
- mips_nop (code);
- break;
- case OP_MIPS_BNE:
- mips_beq (code, ins->sreg1, ins->sreg2, br_offset);
- mips_nop (code);
- break;
- case OP_MIPS_BGEZ:
- mips_bltz (code, ins->sreg1, br_offset);
- mips_nop (code);
- break;
- case OP_MIPS_BGTZ:
- mips_blez (code, ins->sreg1, br_offset);
- mips_nop (code);
- break;
- case OP_MIPS_BLEZ:
- mips_bgtz (code, ins->sreg1, br_offset);
- mips_nop (code);
- break;
- case OP_MIPS_BLTZ:
- mips_bgez (code, ins->sreg1, br_offset);
+ if (cfg->arch.long_branch) {
+ int br_offset = 5;
+
+ /* Invert test and emit branch around jump */
+ switch (op) {
+ case OP_MIPS_BEQ:
+ mips_bne (code, ins->sreg1, ins->sreg2, br_offset);
+ mips_nop (code);
+ break;
+ case OP_MIPS_BNE:
+ mips_beq (code, ins->sreg1, ins->sreg2, br_offset);
+ mips_nop (code);
+ break;
+ case OP_MIPS_BGEZ:
+ mips_bltz (code, ins->sreg1, br_offset);
+ mips_nop (code);
+ break;
+ case OP_MIPS_BGTZ:
+ mips_blez (code, ins->sreg1, br_offset);
+ mips_nop (code);
+ break;
+ case OP_MIPS_BLEZ:
+ mips_bgtz (code, ins->sreg1, br_offset);
+ mips_nop (code);
+ break;
+ case OP_MIPS_BLTZ:
+ mips_bgez (code, ins->sreg1, br_offset);
+ mips_nop (code);
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+ mono_add_patch_info (cfg, code - cfg->native_code,
+ MONO_PATCH_INFO_BB, ins->inst_true_bb);
+ mips_lui (code, mips_at, mips_zero, 0);
+ mips_addiu (code, mips_at, mips_at, 0);
+ mips_jr (code, mips_at);
mips_nop (code);
- break;
- default:
- g_assert_not_reached ();
}
- mono_add_patch_info (cfg, code - cfg->native_code,
- MONO_PATCH_INFO_BB, ins->inst_true_bb);
- mips_lui (code, mips_at, mips_zero, 0);
- mips_addiu (code, mips_at, mips_at, 0);
- mips_jr (code, mips_at);
- mips_nop (code);
-#else
- mono_add_patch_info (cfg, code - cfg->native_code,
- MONO_PATCH_INFO_BB, ins->inst_true_bb);
- switch (op) {
- case OP_MIPS_BEQ:
- mips_beq (code, ins->sreg1, ins->sreg2, 0);
- mips_nop (code);
- break;
- case OP_MIPS_BNE:
- mips_bne (code, ins->sreg1, ins->sreg2, 0);
- mips_nop (code);
- break;
- case OP_MIPS_BGEZ:
- mips_bgez (code, ins->sreg1, 0);
- mips_nop (code);
- break;
- case OP_MIPS_BGTZ:
- mips_bgtz (code, ins->sreg1, 0);
- mips_nop (code);
- break;
- case OP_MIPS_BLEZ:
- mips_blez (code, ins->sreg1, 0);
- mips_nop (code);
- break;
- case OP_MIPS_BLTZ:
- mips_bltz (code, ins->sreg1, 0);
- mips_nop (code);
- break;
- default:
- g_assert_not_reached ();
+ else {
+ mono_add_patch_info (cfg, code - cfg->native_code,
+ MONO_PATCH_INFO_BB, ins->inst_true_bb);
+ switch (op) {
+ case OP_MIPS_BEQ:
+ mips_beq (code, ins->sreg1, ins->sreg2, 0);
+ mips_nop (code);
+ break;
+ case OP_MIPS_BNE:
+ mips_bne (code, ins->sreg1, ins->sreg2, 0);
+ mips_nop (code);
+ break;
+ case OP_MIPS_BGEZ:
+ mips_bgez (code, ins->sreg1, 0);
+ mips_nop (code);
+ break;
+ case OP_MIPS_BGTZ:
+ mips_bgtz (code, ins->sreg1, 0);
+ mips_nop (code);
+ break;
+ case OP_MIPS_BLEZ:
+ mips_blez (code, ins->sreg1, 0);
+ mips_nop (code);
+ break;
+ case OP_MIPS_BLTZ:
+ mips_bltz (code, ins->sreg1, 0);
+ mips_nop (code);
+ break;
+ default:
+ g_assert_not_reached ();
+ }
}
-#endif
return (code);
}
gpointer
-mono_arch_get_this_arg_from_call (MonoGenericSharingContext *gsctx, MonoMethodSignature *sig, gssize *regs, guint8 *code)
+mono_arch_get_this_arg_from_call (mgreg_t *regs, guint8 *code)
{
- /* FIXME: handle returning a struct */
- if (MONO_TYPE_ISSTRUCT (sig->ret))
- return (gpointer)regs [mips_a1];
+ g_assert(regs);
return (gpointer)regs [mips_a0];
}
{
guint i;
int n = sig->hasthis + sig->param_count;
- guint32 simpletype;
+ int pstart;
+ MonoType* simpletype;
CallInfo *cinfo = g_malloc0 (sizeof (CallInfo) + sizeof (ArgInfo) * n);
cinfo->fr = MIPS_FIRST_FPARG_REG;
DEBUG(printf("calculate_sizes\n"));
+ cinfo->vtype_retaddr = MONO_TYPE_ISSTRUCT (sig->ret) ? TRUE : FALSE;
+ pstart = 0;
+ n = 0;
+#if 0
/* handle returning a struct */
if (MONO_TYPE_ISSTRUCT (sig->ret)) {
cinfo->struct_ret = cinfo->gr;
add_int32_arg (cinfo, &cinfo->ret);
}
- n = 0;
if (sig->hasthis) {
add_int32_arg (cinfo, cinfo->args + n);
n++;
}
+#else
+ /*
+ * 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->vtype_retaddr && !is_pinvoke && (sig->hasthis || (sig->param_count > 0 && MONO_TYPE_IS_REFERENCE (mini_type_get_underlying_type (NULL, sig->params [0]))))) {
+ if (sig->hasthis) {
+ add_int32_arg (cinfo, cinfo->args + n);
+ n ++;
+ } else {
+ add_int32_arg (cinfo, cinfo->args + sig->hasthis);
+ pstart = 1;
+ n ++;
+ }
+ add_int32_arg (cinfo, &cinfo->ret);
+ cinfo->struct_ret = cinfo->ret.reg;
+ } else {
+ /* this */
+ if (sig->hasthis) {
+ add_int32_arg (cinfo, cinfo->args + n);
+ n ++;
+ }
+
+ if (cinfo->vtype_retaddr) {
+ add_int32_arg (cinfo, &cinfo->ret);
+ cinfo->struct_ret = cinfo->ret.reg;
+ }
+ }
+#endif
+
DEBUG(printf("params: %d\n", sig->param_count));
- for (i = 0; i < sig->param_count; ++i) {
+ for (i = pstart; i < sig->param_count; ++i) {
if ((sig->call_convention == MONO_CALL_VARARG) && (i == sig->sentinelpos)) {
/* Prevent implicit arguments and sig_cookie from
being passed in registers */
n++;
continue;
}
- simpletype = mono_type_get_underlying_type (sig->params [i])->type;
- switch (simpletype) {
+ simpletype = mono_type_get_underlying_type (sig->params [i]);
+ switch (simpletype->type) {
case MONO_TYPE_BOOLEAN:
case MONO_TYPE_I1:
case MONO_TYPE_U1:
n++;
break;
case MONO_TYPE_GENERICINST:
- if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
+ if (!mono_type_generic_inst_is_valuetype (simpletype)) {
cinfo->args [n].size = sizeof (gpointer);
add_int32_arg (cinfo, &cinfo->args[n]);
n++;
}
{
- simpletype = mono_type_get_underlying_type (sig->ret)->type;
- switch (simpletype) {
+ simpletype = mono_type_get_underlying_type (sig->ret);
+ switch (simpletype->type) {
case MONO_TYPE_BOOLEAN:
case MONO_TYPE_I1:
case MONO_TYPE_U1:
cinfo->ret.regtype = RegTypeFP;
break;
case MONO_TYPE_GENERICINST:
- if (!mono_type_generic_inst_is_valuetype (sig->ret)) {
+ if (!mono_type_generic_inst_is_valuetype (simpletype)) {
cinfo->ret.reg = mips_v0;
break;
}
/* a0-a3 always present */
cfg->param_area = MAX (cfg->param_area, MIPS_STACK_PARAM_OFFSET);
- header = mono_method_get_header (cfg->method);
+ header = cfg->header;
sig = mono_method_signature (cfg->method);
* pinvoke wrappers when they call functions returning structure
*/
if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype) && inst->inst_vtype->type != MONO_TYPE_TYPEDBYREF)
- 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), (unsigned int *) &align);
else
size = mono_type_size (inst->inst_vtype, &align);
MONO_EMIT_NEW_BIALU (cfg, OP_MIPS_SLTU, tmp1, ins->dreg+1, ins->sreg1+1);
MONO_EMIT_NEW_BIALU (cfg, OP_IADD, ins->dreg+2, ins->sreg1+2, ins->sreg2+2);
MONO_EMIT_NEW_BIALU (cfg, OP_IADD, ins->dreg+2, ins->dreg+2, tmp1);
- ins->opcode = OP_NOP;
+ NULLIFY_INS(ins);
break;
case OP_LADD_IMM:
MONO_EMIT_NEW_BIALU (cfg, OP_MIPS_SLTU, tmp1, ins->dreg+1, ins->sreg1+1);
MONO_EMIT_NEW_BIALU_IMM (cfg, OP_IADD_IMM, ins->dreg+2, ins->sreg1+2, ins->inst_ms_word);
MONO_EMIT_NEW_BIALU (cfg, OP_IADD, ins->dreg+2, ins->dreg+2, tmp1);
- ins->opcode = OP_NOP;
+ NULLIFY_INS(ins);
break;
case OP_LSUB:
MONO_EMIT_NEW_BIALU (cfg, OP_MIPS_SLTU, tmp1, ins->sreg1+1, ins->dreg+1);
MONO_EMIT_NEW_BIALU (cfg, OP_ISUB, ins->dreg+2, ins->sreg1+2, ins->sreg2+2);
MONO_EMIT_NEW_BIALU (cfg, OP_ISUB, ins->dreg+2, ins->dreg+2, tmp1);
- ins->opcode = OP_NOP;
+ NULLIFY_INS(ins);
break;
case OP_LSUB_IMM:
MONO_EMIT_NEW_BIALU (cfg, OP_MIPS_SLTU, tmp1, ins->sreg1+1, ins->dreg+1);
MONO_EMIT_NEW_BIALU_IMM (cfg, OP_ISUB_IMM, ins->dreg+2, ins->sreg1+2, ins->inst_ms_word);
MONO_EMIT_NEW_BIALU (cfg, OP_ISUB, ins->dreg+2, ins->dreg+2, tmp1);
- ins->opcode = OP_NOP;
+ NULLIFY_INS(ins);
break;
case OP_LMUL:
MONO_EMIT_NEW_BIALU (cfg, OP_MIPS_SLTU, tmp1, mips_zero, ins->dreg+1);
MONO_EMIT_NEW_BIALU (cfg, OP_ISUB, ins->dreg+2, mips_zero, ins->sreg1+2);
MONO_EMIT_NEW_BIALU (cfg, OP_ISUB, ins->dreg+2, ins->dreg+2, tmp1);
- ins->opcode = OP_NOP;
+ NULLIFY_INS(ins);
break;
#if 0
/* Now, if (tmp4 == 0) then overflow */
MONO_EMIT_NEW_COMPARE_EXC (cfg, EQ, tmp4, mips_zero, "OverflowException");
- ins->opcode = OP_NOP;
+ NULLIFY_INS(ins);
break;
case OP_LADD_OVF_UN:
MONO_EMIT_NEW_BIALU (cfg, OP_IADD, ins->dreg+2, tmp1, ins->dreg+2);
MONO_EMIT_NEW_BIALU (cfg, OP_MIPS_SLTU, tmp2, ins->dreg+2, ins->sreg1+2);
MONO_EMIT_NEW_COMPARE_EXC (cfg, NE_UN, tmp2, mips_zero, "OverflowException");
- ins->opcode = OP_NOP;
+ NULLIFY_INS(ins);
break;
case OP_LMUL_OVF:
/* Now, if (tmp4 == 1) then overflow */
MONO_EMIT_NEW_COMPARE_EXC (cfg, NE_UN, tmp4, mips_zero, "OverflowException");
- ins->opcode = OP_NOP;
+ NULLIFY_INS(ins);
break;
case OP_LSUB_OVF_UN:
MONO_EMIT_NEW_BIALU (cfg, OP_MIPS_SLTU, tmp2, ins->sreg1+2, ins->dreg+2);
MONO_EMIT_NEW_COMPARE_EXC (cfg, NE_UN, tmp2, mips_zero, "OverflowException");
- ins->opcode = OP_NOP;
+ NULLIFY_INS(ins);
break;
#if 0
case OP_LCONV_TO_OVF_I1_UN:
MONO_EMIT_NEW_BIALU_IMM (cfg, OP_SHR_IMM, tmp1, ins->sreg1, 31);
MONO_EMIT_NEW_COMPARE_EXC (cfg, NE_UN, ins->sreg2, tmp1, "OverflowException");
MONO_EMIT_NEW_UNALU (cfg, OP_MOVE, ins->dreg, ins->sreg1);
- ins->opcode = OP_NOP;
+ NULLIFY_INS(ins);
break;
case OP_LMIN_UN:
MONO_EMIT_NEW_BIALU_IMM (cfg, OP_SHR_IMM, tmp5, tmp4, 31);
- /* Now, if (tmp4 == 0) then overflow */
+ /* Now, if (tmp5 == 0) then overflow */
MONO_EMIT_NEW_COMPARE_EXC (cfg, EQ, tmp5, mips_zero, "OverflowException");
- ins->opcode = OP_NOP;
+ /* Make decompse and method-to-ir.c happy, last insn writes dreg */
+ MONO_EMIT_NEW_UNALU (cfg, OP_MOVE, ins->dreg, ins->dreg);
+ NULLIFY_INS(ins);
break;
case OP_IADD_OVF_UN:
MONO_EMIT_NEW_BIALU (cfg, OP_IADD, ins->dreg, ins->sreg1, ins->sreg2);
MONO_EMIT_NEW_BIALU (cfg, OP_MIPS_SLTU, tmp1, ins->dreg, ins->sreg1);
MONO_EMIT_NEW_COMPARE_EXC (cfg, NE_UN, tmp1, mips_zero, "OverflowException");
- ins->opcode = OP_NOP;
+ /* Make decompse and method-to-ir.c happy, last insn writes dreg */
+ MONO_EMIT_NEW_UNALU (cfg, OP_MOVE, ins->dreg, ins->dreg);
+ NULLIFY_INS(ins);
break;
case OP_ISUB_OVF:
MONO_EMIT_NEW_BIALU (cfg, OP_IAND, tmp5, tmp4, tmp3);
MONO_EMIT_NEW_COMPARE_EXC (cfg, NE_UN, tmp5, mips_zero, "OverflowException");
- ins->opcode = OP_NOP;
+ /* Make decompse and method-to-ir.c happy, last insn writes dreg */
+ MONO_EMIT_NEW_UNALU (cfg, OP_MOVE, ins->dreg, ins->dreg);
+ NULLIFY_INS(ins);
break;
case OP_ISUB_OVF_UN:
MONO_EMIT_NEW_BIALU (cfg, OP_ISUB, ins->dreg, ins->sreg1, ins->sreg2);
MONO_EMIT_NEW_BIALU (cfg, OP_MIPS_SLTU, tmp1, ins->sreg1, ins->dreg);
MONO_EMIT_NEW_COMPARE_EXC (cfg, NE_UN, tmp1, mips_zero, "OverflowException");
- ins->opcode = OP_NOP;
+ /* Make decompse and method-to-ir.c happy, last insn writes dreg */
+ MONO_EMIT_NEW_UNALU (cfg, OP_MOVE, ins->dreg, ins->dreg);
+ NULLIFY_INS(ins);
break;
}
-
}
static int
next = ins->next;
/* Branch opts can eliminate the branch */
if (!next || (!(MONO_IS_COND_BRANCH_OP (next) || MONO_IS_COND_EXC (next) || MONO_IS_SETCC (next)))) {
- ins->opcode = OP_NOP;
+ NULLIFY_INS(ins);
break;
}
break;
next = ins->next;
/* Branch opts can eliminate the branch */
if (!next || (!(MONO_IS_COND_BRANCH_OP (next) || MONO_IS_COND_EXC (next) || MONO_IS_SETCC (next)))) {
- ins->opcode = OP_NOP;
+ NULLIFY_INS(ins);
break;
}
if (ins->inst_imm) {
next = ins->next;
/* Branch opts can eliminate the branch */
if (!next || (!(MONO_IS_COND_BRANCH_OP (next) || MONO_IS_COND_EXC (next) || MONO_IS_SETCC (next)))) {
- ins->opcode = OP_NOP;
+ NULLIFY_INS(ins);
break;
}
g_assert(next);
* remap compare/branch and compare/set
* to MIPS specific opcodes.
*/
- ins->opcode = OP_NOP;
next->opcode = map_to_mips_op (next->opcode);
next->sreg1 = ins->sreg1;
next->sreg2 = ins->sreg2;
+ NULLIFY_INS(ins);
break;
#if 0
case OP_IBEQ:
g_assert (ins_is_compare(last_ins));
INS_REWRITE(ins, OP_MIPS_BEQ, last_ins->sreg1, last_ins->sreg2);
- last_ins->opcode = OP_NOP;
+ NULLIFY_INS(last_ins);
break;
case OP_IBNE_UN:
g_assert (ins_is_compare(last_ins));
INS_REWRITE(ins, OP_MIPS_BNE, last_ins->sreg1, last_ins->sreg2);
- last_ins->opcode = OP_NOP;
+ NULLIFY_INS(last_ins);
break;
case OP_IBGE:
case OP_CLT:
case OP_ICLT:
INS_REWRITE(ins, OP_MIPS_SLT, last_ins->sreg1, last_ins->sreg2);
- last_ins->opcode = OP_NOP;
+ NULLIFY_INS(last_ins);
break;
case OP_CLT_UN:
case OP_ICLT_UN:
INS_REWRITE(ins, OP_MIPS_SLTU, last_ins->sreg1, last_ins->sreg2);
- last_ins->opcode = OP_NOP;
+ NULLIFY_INS(last_ins);
break;
case OP_CGT:
case OP_LOAD_MEMBASE:
case OP_LOADI4_MEMBASE:
case OP_LOADU4_MEMBASE:
+ g_assert (ins->dreg != -1);
if (mips_is_imm16 (ins->inst_offset)) {
mips_lw (code, ins->dreg, ins->inst_basereg, ins->inst_offset);
} else {
mips_patch (patch, (guint32)code);
break;
}
- case OP_IMUL_OVF_UN:
-#if 0
- mips_mul (code, ins->dreg, ins->sreg1, ins->sreg2);
-#else
+ case OP_IMUL_OVF_UN: {
+ guint32 *patch;
mips_mult (code, ins->sreg1, ins->sreg2);
mips_mflo (code, ins->dreg);
mips_mfhi (code, mips_at);
mips_nop (code);
mips_nop (code);
-#endif
- /* XXX - Throw exception if we overflowed */
+ patch = (guint32 *)(void *)code;
+ mips_beq (code, mips_at, mips_zero, 0);
+ mips_nop (code);
+ EMIT_SYSTEM_EXCEPTION_NAME("OverflowException");
+ mips_patch (patch, (guint32)code);
break;
+ }
case OP_ICONST:
mips_load_const (code, ins->dreg, ins->inst_c0);
break;
mono_add_patch_info (cfg, (guint8*) code - cfg->native_code,
MONO_PATCH_INFO_METHOD_JUMP, ins->inst_p0);
-#if LONG_BRANCH
- mips_lui (code, mips_t9, mips_zero, 0);
- mips_addiu (code, mips_t9, mips_t9, 0);
- mips_jr (code, mips_t9);
- mips_nop (code);
-#else
- mips_beq (code, mips_zero, mips_zero, 0);
- mips_nop (code);
-#endif
+ if (cfg->arch.long_branch) {
+ mips_lui (code, mips_t9, mips_zero, 0);
+ mips_addiu (code, mips_t9, mips_t9, 0);
+ mips_jr (code, mips_t9);
+ mips_nop (code);
+ }
+ else {
+ mips_beq (code, mips_zero, mips_zero, 0);
+ mips_nop (code);
+ }
break;
case OP_CHECK_THIS:
/* ensure ins->sreg1 is not NULL */
case OP_VCALL2:
case OP_VOIDCALL:
case OP_CALL:
- if (ins->flags & MONO_INST_HAS_METHOD)
+ if (ins->flags & MONO_INST_HAS_METHOD) {
mono_add_patch_info (cfg, offset, MONO_PATCH_INFO_METHOD, call->method);
- else
+ mips_call (code, mips_t9, call->method);
+ }
+ else {
mono_add_patch_info (cfg, offset, MONO_PATCH_INFO_ABS, call->fptr);
- mips_lui (code, mips_t9, mips_zero, 0);
- mips_addiu (code, mips_t9, mips_t9, 0);
+ mips_call (code, mips_t9, call->fptr);
+ }
break;
case OP_FCALL_REG:
case OP_LCALL_REG:
case OP_VOIDCALL_REG:
case OP_CALL_REG:
MIPS_MOVE (code, mips_t9, ins->sreg1);
+ mips_jalr (code, mips_t9, mips_ra);
+ mips_nop (code);
break;
case OP_FCALL_MEMBASE:
case OP_LCALL_MEMBASE:
case OP_VOIDCALL_MEMBASE:
case OP_CALL_MEMBASE:
mips_lw (code, mips_t9, ins->sreg1, ins->inst_offset);
+ mips_jalr (code, mips_t9, mips_ra);
+ mips_nop (code);
break;
}
- mips_jalr (code, mips_t9, mips_ra);
- mips_nop (code);
#if PROMOTE_R4_TO_R8
/* returned an FP R4 (single), promote to R8 (double) in place */
if ((ins->opcode == OP_FCALL ||
break;
}
case OP_THROW: {
- gpointer addr = mono_arch_get_throw_exception();
+ gpointer addr = mono_arch_get_throw_exception(NULL, FALSE);
mips_move (code, mips_a0, ins->sreg1);
- mips_load_const (code, mips_t9, addr);
- mips_jalr (code, mips_t9, mips_ra);
- mips_nop (code);
+ mips_call (code, mips_t9, addr);
mips_break (code, 0xfc);
break;
}
case OP_RETHROW: {
- gpointer addr = mono_arch_get_rethrow_exception();
+ gpointer addr = mono_arch_get_rethrow_exception(NULL, FALSE);
mips_move (code, mips_a0, ins->sreg1);
- mips_load_const (code, mips_t9, addr);
- mips_jalr (code, mips_t9, mips_ra);
- mips_nop (code);
+ mips_call (code, mips_t9, addr);
mips_break (code, 0xfb);
break;
}
mips_addiu (code, mips_t9, mips_t9, 0);
mips_jalr (code, mips_t9, mips_ra);
mips_nop (code);
+ /*FIXME should it be before the NOP or not? Does MIPS has a delay slot like sparc?*/
+ 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_BR:
mono_add_patch_info (cfg, offset, MONO_PATCH_INFO_BB, ins->inst_target_bb);
-#if LONG_BRANCH
- mips_lui (code, mips_at, mips_zero, 0);
- mips_addiu (code, mips_at, mips_at, 0);
- mips_jr (code, mips_at);
- mips_nop (code);
-#else
- mips_beq (code, mips_zero, mips_zero, 0);
- mips_nop (code);
-#endif
+ if (cfg->arch.long_branch) {
+ mips_lui (code, mips_at, mips_zero, 0);
+ mips_addiu (code, mips_at, mips_at, 0);
+ mips_jr (code, mips_at);
+ mips_nop (code);
+ }
+ else {
+ mips_beq (code, mips_zero, mips_zero, 0);
+ mips_nop (code);
+ }
break;
case OP_BR_REG:
mips_jr (code, ins->sreg1);
#if PROMOTE_R4_TO_R8
/* Need to convert ins->sreg1 to single-precision first */
mips_cvtsd (code, mips_ftemp, ins->sreg1);
-#endif
mips_swc1 (code, mips_ftemp, ins->inst_destbasereg, ins->inst_offset);
+#else
+ mips_swc1 (code, ins->sreg1, ins->inst_destbasereg, ins->inst_offset);
+#endif
break;
case OP_MIPS_LWC1:
g_assert (mips_is_imm16 (ins->inst_offset));
#if PROMOTE_R4_TO_R8
/* Convert to double precision in place */
mips_cvtds (code, ins->dreg, ins->dreg);
+#endif
+ break;
+ case OP_LOADR4_MEMINDEX:
+ mips_addu (code, mips_at, ins->inst_basereg, ins->sreg2);
+ mips_lwc1 (code, ins->dreg, mips_at, 0);
+ break;
+ case OP_LOADR8_MEMINDEX:
+ mips_addu (code, mips_at, ins->inst_basereg, ins->sreg2);
+#if _MIPS_SIM == _ABIO32
+ mips_lwc1 (code, ins->dreg, mips_at, 0);
+ mips_lwc1 (code, ins->dreg+1, mips_at, 4);
+#elif _MIPS_SIM == _ABIN32
+ mips_ldc1 (code, ins->dreg, mips_at, 0);
+#endif
+ break;
+ case OP_STORER4_MEMINDEX:
+ mips_addu (code, mips_at, ins->inst_destbasereg, ins->sreg2);
+#if PROMOTE_R4_TO_R8
+ /* Need to convert ins->sreg1 to single-precision first */
+ mips_cvtsd (code, mips_ftemp, ins->sreg1);
+ mips_swc1 (code, mips_ftemp, mips_at, 0);
+#else
+ mips_swc1 (code, ins->sreg1, mips_at, 0);
+#endif
+ break;
+ case OP_STORER8_MEMINDEX:
+ mips_addu (code, mips_at, ins->inst_destbasereg, ins->sreg2);
+#if _MIPS_SIM == _ABIO32
+ mips_swc1 (code, ins->sreg1, mips_at, 0);
+ mips_swc1 (code, ins->sreg1+1, mips_at, 4);
+#elif _MIPS_SIM == _ABIN32
+ mips_sdc1 (code, ins->sreg1, mips_at, 0);
#endif
break;
case OP_ICONV_TO_R_UN: {
mips_load_const (code, mips_a0, cfg->method);
mips_addiu (code, mips_a1, mips_sp, offset);
- mips_load_const (code, mips_t9, func);
- mips_jalr (code, mips_t9, mips_ra);
- mips_nop (code);
+ mips_call (code, mips_t9, func);
MIPS_LW (code, mips_a0, mips_sp, offset + 0*SIZEOF_REGISTER);
MIPS_LW (code, mips_a1, mips_sp, offset + 1*SIZEOF_REGISTER);
MonoMethodSignature *sig;
MonoInst *inst;
int alloc_size, pos, i;
+ int alloc2_size = 0;
guint8 *code;
CallInfo *cinfo;
int tracing = 0;
fregs_to_save |= (fregs_to_save << 1);
#endif
#endif
+ /* If the stack size is too big, save 1024 bytes to start with
+ * so the prologue can use imm16(reg) addressing, then allocate
+ * the rest of the frame.
+ */
+ if (alloc_size > ((1 << 15) - 1024)) {
+ alloc2_size = alloc_size - 1024;
+ alloc_size = 1024;
+ }
if (alloc_size) {
- if (mips_is_imm16 (-alloc_size)) {
- mips_addiu (code, mips_sp, mips_sp, -alloc_size);
- } else {
- mips_load_const (code, mips_at, -alloc_size);
- mips_addu (code, mips_sp, mips_sp, mips_at);
- }
+ g_assert (mips_is_imm16 (-alloc_size));
+ mips_addiu (code, mips_sp, mips_sp, -alloc_size);
}
- if ((cfg->flags & MONO_CFG_HAS_CALLS) || ALWAYS_SAVE_RA)
- mips_sw (code, mips_ra, mips_sp, alloc_size + MIPS_RET_ADDR_OFFSET);
+ if ((cfg->flags & MONO_CFG_HAS_CALLS) || ALWAYS_SAVE_RA) {
+ int offset = alloc_size + MIPS_RET_ADDR_OFFSET;
+ if (mips_is_imm16(offset))
+ mips_sw (code, mips_ra, mips_sp, offset);
+ else {
+ g_assert_not_reached ();
+ }
+ }
/* XXX - optimize this later to not save all regs if LMF constructed */
+ pos = cfg->arch.iregs_offset - alloc2_size;
if (iregs_to_save) {
/* save used registers in own stack frame (at pos) */
- pos = cfg->arch.iregs_offset;
for (i = MONO_MAX_IREGS-1; i >= 0; --i) {
if (iregs_to_save & (1 << i)) {
g_assert (pos < cfg->stack_usage - sizeof(gpointer));
+ g_assert (mips_is_imm16(pos));
MIPS_SW (code, i, mips_sp, pos);
pos += SIZEOF_REGISTER;
}
#if SAVE_LMF
if (method->save_lmf) {
for (i = MONO_MAX_IREGS-1; i >= 0; --i) {
- MIPS_SW (code, i, mips_sp, lmf_offset + G_STRUCT_OFFSET(MonoLMF, iregs[i]));
+ int offset = lmf_offset + G_STRUCT_OFFSET(MonoLMF, iregs[i]);
+ g_assert (mips_is_imm16(offset));
+ MIPS_SW (code, i, mips_sp, offset);
}
}
#endif
for (i = MONO_MAX_FREGS-1; i >= 0; --i) {
if (fregs_to_save & (1 << i)) {
g_assert (pos < cfg->stack_usage - MIPS_STACK_ALIGNMENT);
+ g_assert (mips_is_imm16(pos));
mips_swc1 (code, i, mips_sp, pos);
pos += sizeof (gulong);
}
#if SAVE_LMF
if (method->save_lmf) {
for (i = MONO_MAX_FREGS-1; i >= 0; --i) {
- mips_swc1 (code, i, mips_sp, lmf_offset + G_STRUCT_OFFSET(MonoLMF, fregs[i]));
+ int offset = lmf_offset + G_STRUCT_OFFSET(MonoLMF, fregs[i]);
+ g_assert (mips_is_imm16(offset));
+ mips_swc1 (code, i, mips_sp, offset);
}
}
#endif
if (cfg->frame_reg != mips_sp) {
MIPS_MOVE (code, cfg->frame_reg, mips_sp);
#if SAVE_LMF
- if (method->save_lmf)
- MIPS_SW (code, cfg->frame_reg, mips_sp,
- lmf_offset + G_STRUCT_OFFSET(MonoLMF, iregs[cfg->frame_reg]));
+ if (method->save_lmf) {
+ int offset = lmf_offset + G_STRUCT_OFFSET(MonoLMF, iregs[cfg->frame_reg]);
+ g_assert (mips_is_imm16(offset));
+ MIPS_SW (code, cfg->frame_reg, mips_sp, offset);
+ }
#endif
}
#endif
}
else if (ainfo->regtype == RegTypeBase) {
- mips_lw (code, inst->dreg, mips_sp, cfg->stack_usage + ainfo->offset);
+ int offset = cfg->stack_usage + ainfo->offset;
+ g_assert (mips_is_imm16(offset));
+ mips_lw (code, inst->dreg, mips_sp, offset);
} else
g_assert_not_reached ();
}
} else if (ainfo->regtype == RegTypeFP) {
g_assert (mips_is_imm16 (inst->inst_offset));
+ g_assert (mips_is_imm16 (inst->inst_offset+4));
if (ainfo->size == 8) {
#if _MIPS_SIM == _ABIO32
mips_swc1 (code, ainfo->reg, inst->inst_basereg, inst->inst_offset+4);
g_assert (mips_is_imm16 (inst->inst_offset + ainfo->size * sizeof (gpointer)));
/* Push the argument registers into their stack slots */
for (i = 0; i < ainfo->size; ++i) {
+ g_assert (mips_is_imm16(doffset));
MIPS_SW (code, ainfo->reg + i, inst->inst_basereg, doffset);
doffset += SIZEOF_REGISTER;
}
if (method->wrapper_type == MONO_WRAPPER_NATIVE_TO_MANAGED) {
mips_load_const (code, mips_a0, cfg->domain);
- mips_load_const (code, mips_t9, (gpointer)mono_jit_thread_attach);
- mips_jalr (code, mips_t9, mips_ra);
- mips_nop (code);
+ mips_call (code, mips_t9, (gpointer)mono_jit_thread_attach);
}
#if SAVE_LMF
#if 0
emit_tls_access (code, mips_temp, lmf_pthread_key);
#endif
- if (G_STRUCT_OFFSET (MonoJitTlsData, lmf))
- mips_addiu (code, mips_a0, mips_temp, G_STRUCT_OFFSET (MonoJitTlsData, lmf));
+ if (G_STRUCT_OFFSET (MonoJitTlsData, lmf)) {
+ int offset = G_STRUCT_OFFSET (MonoJitTlsData, lmf);
+ g_assert (mips_is_imm16(offset));
+ mips_addiu (code, mips_a0, mips_temp, offset);
+ }
} else {
-#if 0
- mips_addiu (code, mips_a0, mips_sp, lmf_offset);
- mips_load_const (code, mips_t9, (gpointer)mono_trace_lmf_prolog);
- mips_jalr (code, mips_t9, mips_ra);
- mips_nop (code);
-#endif
/* This can/will clobber the a0-a3 registers */
- mips_load_const (code, mips_t9, (gpointer)mono_get_lmf_addr);
- mips_jalr (code, mips_t9, mips_ra);
- mips_nop (code);
+ mips_call (code, mips_t9, (gpointer)mono_get_lmf_addr);
}
/* mips_v0 is the result from mono_get_lmf_addr () (MonoLMF **) */
+ g_assert (mips_is_imm16(lmf_offset + G_STRUCT_OFFSET(MonoLMF, lmf_addr)));
mips_sw (code, mips_v0, mips_sp, lmf_offset + G_STRUCT_OFFSET(MonoLMF, lmf_addr));
/* new_lmf->previous_lmf = *lmf_addr */
mips_lw (code, mips_at, mips_v0, 0);
+ g_assert (mips_is_imm16(lmf_offset + G_STRUCT_OFFSET(MonoLMF, previous_lmf)));
mips_sw (code, mips_at, mips_sp, lmf_offset + G_STRUCT_OFFSET(MonoLMF, previous_lmf));
/* *(lmf_addr) = sp + lmf_offset */
+ g_assert (mips_is_imm16(lmf_offset));
mips_addiu (code, mips_at, mips_sp, lmf_offset);
mips_sw (code, mips_at, mips_v0, 0);
/* save method info */
mips_load_const (code, mips_at, method);
+ g_assert (mips_is_imm16(lmf_offset + G_STRUCT_OFFSET(MonoLMF, method)));
mips_sw (code, mips_at, mips_sp, lmf_offset + G_STRUCT_OFFSET(MonoLMF, method));
+ g_assert (mips_is_imm16(lmf_offset + G_STRUCT_OFFSET(MonoLMF, ebp)));
MIPS_SW (code, mips_sp, mips_sp, lmf_offset + G_STRUCT_OFFSET(MonoLMF, ebp));
/* save the current IP */
mips_sw (code, mips_at, mips_sp, lmf_offset + G_STRUCT_OFFSET(MonoLMF, eip));
}
#endif
+ if (alloc2_size) {
+ if (mips_is_imm16 (-alloc2_size)) {
+ mips_addu (code, mips_sp, mips_sp, -alloc2_size);
+ }
+ else {
+ mips_load_const (code, mips_at, -alloc2_size);
+ mips_addu (code, mips_sp, mips_sp, mips_at);
+ }
+ if (cfg->frame_reg != mips_sp)
+ MIPS_MOVE (code, cfg->frame_reg, mips_sp);
+ alloc_size += alloc2_size;
+ }
cfg->code_len = code - cfg->native_code;
g_assert (cfg->code_len < cfg->code_size);
}
mips_addiu (code, mips_sp, mips_sp, -32);
+ g_assert (mips_is_imm16(save_offset));
switch (save_mode) {
case SAVE_TWO:
mips_sw (code, mips_v0, mips_sp, save_offset);
+ g_assert (mips_is_imm16(save_offset + SIZEOF_REGISTER));
mips_sw (code, mips_v1, mips_sp, save_offset + SIZEOF_REGISTER);
if (enable_arguments) {
MIPS_MOVE (code, mips_a1, mips_v0);
mips_sdc1 (code, mips_f0, mips_sp, save_offset);
mips_ldc1 (code, mips_f12, mips_sp, save_offset);
mips_lw (code, mips_a0, mips_sp, save_offset);
+ g_assert (mips_is_imm16(save_offset + SIZEOF_REGISTER));
mips_lw (code, mips_a1, mips_sp, save_offset + SIZEOF_REGISTER);
break;
case SAVE_STRUCT:
break;
}
mips_load_const (code, mips_a0, cfg->method);
- mips_load_const (code, mips_t9, func);
- mips_jalr (code, mips_t9, mips_ra);
- mips_nop (code);
+ mips_call (code, mips_t9, func);
switch (save_mode) {
case SAVE_TWO:
mips_lw (code, mips_v0, mips_sp, save_offset);
+ g_assert (mips_is_imm16(save_offset + SIZEOF_REGISTER));
mips_lw (code, mips_v1, mips_sp, save_offset + SIZEOF_REGISTER);
break;
case SAVE_ONE:
MonoMethod *method = cfg->method;
int pos = 0, i;
int max_epilog_size = 16 + 20*4;
+ int alloc2_size = 0;
guint32 iregs_to_restore;
#if SAVE_FP_REGS
guint32 fregs_to_restore;
if (mono_jit_trace_calls != NULL && mono_trace_eval (method)) {
code = mono_arch_instrument_epilog (cfg, mono_trace_leave_method, code, TRUE);
}
- pos = cfg->arch.iregs_offset;
if (cfg->frame_reg != mips_sp) {
MIPS_MOVE (code, mips_sp, cfg->frame_reg);
}
+ /* If the stack frame is really large, deconstruct it in two steps */
+ if (cfg->stack_usage > ((1 << 15) - 1024)) {
+ alloc2_size = cfg->stack_usage - 1024;
+ /* partially deconstruct the stack */
+ mips_load_const (code, mips_at, alloc2_size);
+ mips_addu (code, mips_sp, mips_sp, mips_at);
+ }
+ pos = cfg->arch.iregs_offset - alloc2_size;
#if SAVE_ALL_REGS
iregs_to_restore = MONO_ARCH_CALLEE_SAVED_REGS;
#else
if (iregs_to_restore) {
for (i = MONO_MAX_IREGS-1; i >= 0; --i) {
if (iregs_to_restore & (1 << i)) {
+ g_assert (mips_is_imm16(pos));
MIPS_LW (code, i, mips_sp, pos);
pos += SIZEOF_REGISTER;
}
for (i = MONO_MAX_FREGS-1; i >= 0; --i) {
if (fregs_to_restore & (1 << i)) {
g_assert (pos < cfg->stack_usage - MIPS_STACK_ALIGNMENT);
+ g_assert (mips_is_imm16(pos));
mips_lwc1 (code, i, mips_sp, pos);
pos += FREG_SIZE
}
int lmf_offset = cfg->arch.lmf_offset;
/* t0 = current_lmf->previous_lmf */
+ g_assert (mips_is_imm16(lmf_offset + G_STRUCT_OFFSET(MonoLMF, previous_lmf)));
mips_lw (code, mips_temp, mips_sp, lmf_offset + G_STRUCT_OFFSET(MonoLMF, previous_lmf));
/* t1 = lmf_addr */
+ g_assert (mips_is_imm16(lmf_offset + G_STRUCT_OFFSET(MonoLMF, lmf_addr)));
mips_lw (code, mips_t1, mips_sp, lmf_offset + G_STRUCT_OFFSET(MonoLMF, lmf_addr));
/* (*lmf_addr) = previous_lmf */
mips_sw (code, mips_temp, mips_t1, 0);
/* Restore the fp */
mips_lw (code, mips_fp, mips_sp, cfg->stack_usage + MIPS_FP_ADDR_OFFSET);
#endif
- /* Correct the stack pointer */
- if ((cfg->flags & MONO_CFG_HAS_CALLS) || ALWAYS_SAVE_RA)
- mips_lw (code, mips_ra, mips_sp, cfg->stack_usage + MIPS_RET_ADDR_OFFSET);
- mips_addiu (code, mips_sp, mips_sp, cfg->stack_usage);
+ /* Restore ra */
+ if ((cfg->flags & MONO_CFG_HAS_CALLS) || ALWAYS_SAVE_RA) {
+ g_assert (mips_is_imm16(cfg->stack_usage - alloc2_size + MIPS_RET_ADDR_OFFSET));
+ mips_lw (code, mips_ra, mips_sp, cfg->stack_usage - alloc2_size + MIPS_RET_ADDR_OFFSET);
+ }
+ /* Restore the stack pointer */
+ g_assert (mips_is_imm16(cfg->stack_usage - alloc2_size));
+ mips_addiu (code, mips_sp, mips_sp, cfg->stack_usage - alloc2_size);
/* Caller will emit either return or tail-call sequence */
return MONO_EXC_NULL_REF;
if (strcmp (name, "ArrayTypeMismatchException") == 0)
return MONO_EXC_ARRAY_TYPE_MISMATCH;
+ if (strcmp (name, "ArgumentException") == 0)
+ return MONO_EXC_ARGUMENT;
g_error ("Unknown intrinsic exception %s\n", name);
return 0;
}
return ins;
}
-MonoInst*
-mono_arch_get_thread_intrinsic (MonoCompile* cfg)
-{
- MonoInst* ins;
-
- setup_tls_access ();
- if (monothread_key == -1)
- return NULL;
-
- MONO_INST_NEW (cfg, ins, OP_TLS_GET);
- ins->inst_offset = monothread_key;
- return ins;
-}
-
gpointer
mono_arch_context_get_int_reg (MonoContext *ctx, int reg)
{
#ifdef MONO_ARCH_HAVE_IMT
-#define CMP_SIZE 12
-#define BR_SIZE 4
-#define JUMP_IMM_SIZE 12
-#define JUMP_IMM32_SIZE 16
#define ENABLE_WRONG_METHOD_CHECK 0
+#define MIPS_LOAD_SEQUENCE_LENGTH 8
+#define CMP_SIZE (MIPS_LOAD_SEQUENCE_LENGTH + 4)
+#define BR_SIZE 8
+#define LOADSTORE_SIZE 4
+#define JUMP_IMM_SIZE 16
+#define JUMP_IMM32_SIZE (MIPS_LOAD_SEQUENCE_LENGTH + 8)
+#define LOAD_CONST_SIZE 8
+#define JUMP_JR_SIZE 8
+
/*
* LOCKING: called with the domain lock held
*/
mono_arch_build_imt_thunk (MonoVTable *vtable, MonoDomain *domain, MonoIMTCheckItem **imt_entries, int count,
gpointer fail_tramp)
{
- NOT_IMPLEMENTED;
-#if 0
int i;
int size = 0;
- guint8 *code, *start;
+ guint8 *code, *start, *patch;
for (i = 0; i < count; ++i) {
MonoIMTCheckItem *item = imt_entries [i];
+
+ item->chunk_size += LOAD_CONST_SIZE;
if (item->is_equals) {
if (item->check_target_idx) {
- if (!item->compare_done)
- item->chunk_size += CMP_SIZE;
- if (fail_tramp)
- item->chunk_size += BR_SIZE + JUMP_IMM32_SIZE;
- else
- item->chunk_size += BR_SIZE + JUMP_IMM_SIZE;
+ item->chunk_size += BR_SIZE + LOAD_CONST_SIZE + JUMP_JR_SIZE;
} else {
if (fail_tramp) {
- item->chunk_size += CMP_SIZE + BR_SIZE + JUMP_IMM32_SIZE * 2;
+ item->chunk_size += BR_SIZE + JUMP_IMM32_SIZE * 2;
+ if (!item->has_target_code)
+ item->chunk_size += LOADSTORE_SIZE;
} else {
- item->chunk_size += JUMP_IMM_SIZE;
+ item->chunk_size += LOADSTORE_SIZE + JUMP_IMM_SIZE;
#if ENABLE_WRONG_METHOD_CHECK
item->chunk_size += CMP_SIZE + BR_SIZE + 4;
#endif
}
}
} else {
- item->chunk_size += CMP_SIZE + BR_SIZE;
+ item->chunk_size += BR_SIZE;
imt_entries [item->check_target_idx]->compare_done = TRUE;
}
size += item->chunk_size;
}
+ /* the initial load of the vtable address */
+ size += MIPS_LOAD_SEQUENCE_LENGTH + LOADSTORE_SIZE;
if (fail_tramp) {
code = mono_method_alloc_generic_virtual_thunk (domain, size);
} else {
- /* the initial load of the vtable address */
- size += 8;
code = mono_domain_code_reserve (domain, size);
}
start = code;
- if (!fail_tramp)
- ppc_load (code, ppc_r11, (guint32)(& (vtable->vtable [0])));
+
+#if 0
+ /*
+ * We need to save and restore r11 because it might be
+ * used by the caller as the vtable register, so
+ * clobbering it will trip up the magic trampoline.
+ *
+ * FIXME: Get rid of this by making sure that r11 is
+ * not used as the vtable register in interface calls.
+ */
+ ppc_stptr (code, ppc_r11, PPC_RET_ADDR_OFFSET, ppc_sp);
+ ppc_load (code, ppc_r11, (gsize)(& (vtable->vtable [0])));
+#endif
+ /* t7 points to the vtable */
+ mips_load_const (code, mips_t7, (gsize)(& (vtable->vtable [0])));
+
for (i = 0; i < count; ++i) {
MonoIMTCheckItem *item = imt_entries [i];
+
item->code_target = code;
+ mips_load_const (code, mips_temp, (gsize)item->key);
if (item->is_equals) {
if (item->check_target_idx) {
- if (!item->compare_done) {
- ppc_load (code, ppc_r0, (guint32)item->key);
- ppc_cmpl (code, 0, 0, MONO_ARCH_IMT_REG, ppc_r0);
- }
item->jmp_code = code;
- ppc_bc (code, PPC_BR_FALSE, PPC_BR_EQ, 0);
- if (fail_tramp)
- ppc_load (code, ppc_r0, item->value.target_code);
- else
- ppc_lwz (code, ppc_r0, (sizeof (gpointer) * item->value.vtable_slot), ppc_r11);
- ppc_mtctr (code, ppc_r0);
- ppc_bcctr (code, PPC_BR_ALWAYS, 0);
+ mips_bne (code, mips_temp, MONO_ARCH_IMT_REG, 0);
+ mips_nop (code);
+ if (item->has_target_code) {
+ mips_load_const (code, mips_t9,
+ item->value.target_code);
+ }
+ else {
+ mips_lw (code, mips_t9, mips_t7,
+ (sizeof (gpointer) * item->value.vtable_slot));
+ }
+ mips_jr (code, mips_t9);
+ mips_nop (code);
} else {
if (fail_tramp) {
- ppc_load (code, ppc_r0, (guint32)item->key);
- ppc_cmpl (code, 0, 0, MONO_ARCH_IMT_REG, ppc_r0);
- item->jmp_code = code;
- ppc_bc (code, PPC_BR_FALSE, PPC_BR_EQ, 0);
- ppc_load (code, ppc_r0, item->value.target_code);
- ppc_mtctr (code, ppc_r0);
- ppc_bcctr (code, PPC_BR_ALWAYS, 0);
- ppc_patch (item->jmp_code, code);
- ppc_load (code, ppc_r0, fail_tramp);
- ppc_mtctr (code, ppc_r0);
- ppc_bcctr (code, PPC_BR_ALWAYS, 0);
- item->jmp_code = NULL;
+ patch = code;
+ mips_bne (code, mips_temp, MONO_ARCH_IMT_REG, 0);
+ mips_nop (code);
+ if (item->has_target_code) {
+ mips_load_const (code, mips_t9,
+ item->value.target_code);
+ } else {
+ g_assert (vtable);
+ mips_load_const (code, mips_at,
+ & (vtable->vtable [item->value.vtable_slot]));
+ mips_lw (code, mips_t9, mips_at, 0);
+ }
+ mips_jr (code, mips_t9);
+ mips_nop (code);
+ mips_patch ((guint32 *)(void *)patch, (guint32)code);
+ mips_load_const (code, mips_at, fail_tramp);
+ mips_lw (code, mips_t9, mips_at, 0);
+ mips_jr (code, mips_t9);
+ mips_nop (code);
} else {
/* enable the commented code to assert on wrong method */
#if ENABLE_WRONG_METHOD_CHECK
ppc_load (code, ppc_r0, (guint32)item->key);
- ppc_cmpl (code, 0, 0, MONO_ARCH_IMT_REG, ppc_r0);
- item->jmp_code = code;
+ ppc_compare_log (code, 0, MONO_ARCH_IMT_REG, ppc_r0);
+ patch = code;
ppc_bc (code, PPC_BR_FALSE, PPC_BR_EQ, 0);
#endif
- ppc_lwz (code, ppc_r0, (sizeof (gpointer) * item->value.vtable_slot), ppc_r11);
- ppc_mtctr (code, ppc_r0);
- ppc_bcctr (code, PPC_BR_ALWAYS, 0);
+ mips_lw (code, mips_t9, mips_t7,
+ (sizeof (gpointer) * item->value.vtable_slot));
+ mips_jr (code, mips_t9);
+ mips_nop (code);
+
#if ENABLE_WRONG_METHOD_CHECK
- ppc_patch (item->jmp_code, code);
+ ppc_patch (patch, code);
ppc_break (code);
- item->jmp_code = NULL;
#endif
}
}
} else {
- ppc_load (code, ppc_r0, (guint32)item->key);
- ppc_cmpl (code, 0, 0, MONO_ARCH_IMT_REG, ppc_r0);
+ mips_load_const (code, mips_temp, (gulong)item->key);
+ mips_slt (code, mips_temp, mips_temp, MONO_ARCH_IMT_REG);
+
item->jmp_code = code;
- ppc_bc (code, PPC_BR_FALSE, PPC_BR_LT, 0);
+ mips_bne (code, mips_temp, mips_zero, 0);
+ mips_nop (code);
}
}
/* 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) {
- ppc_patch (item->jmp_code, imt_entries [item->check_target_idx]->code_target);
- }
+ if (item->jmp_code && item->check_target_idx) {
+ mips_patch ((guint32 *)item->jmp_code,
+ (guint32)imt_entries [item->check_target_idx]->code_target);
}
}
g_assert (code - start <= size);
mono_arch_flush_icache (start, size);
return start;
-#endif
}
MonoMethod*
-mono_arch_find_imt_method (gpointer *regs, guint8 *code)
+mono_arch_find_imt_method (mgreg_t *regs, guint8 *code)
{
return (MonoMethod*) regs [MONO_ARCH_IMT_REG];
}
-
-MonoObject*
-mono_arch_find_this_argument (gpointer *regs, MonoMethod *method, MonoGenericSharingContext *gsctx)
-{
- return mono_arch_get_this_arg_from_call (gsctx, mono_method_signature (method), (gssize*)regs, NULL);
-}
#endif
MonoVTable*
-mono_arch_find_static_call_vtable (gpointer *regs, guint8 *code)
+mono_arch_find_static_call_vtable (mgreg_t *regs, guint8 *code)
{
NOT_IMPLEMENTED;
return (MonoVTable*) regs [MONO_ARCH_RGCTX_REG];
projects / mono.git / blobdiff