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Added recompiled versions of JMP, CALL, RET, PUSH and POP.

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This commit is contained in:
SarahW 2018-08-05 16:24:15 +01:00
commit f1df9be8f6
33 changed files with 1062 additions and 102 deletions
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31
src/codegen_backend_x86_uops.c
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@ -194,6 +194,22 @@ static int codegen_LOAD_FUNC_ARG3_IMM(codeblock_t *block, uop_t *uop)
return 0;
}
static int codegen_LOAD_SEG(codeblock_t *block, uop_t *uop)
{
int src_reg = HOST_REG_GET(uop->src_reg_a_real);
int src_size = IREG_GET_SIZE(uop->src_reg_a_real);
if (!REG_IS_W(src_size))
fatal("LOAD_SEG %02x %p\n", uop->src_reg_a_real, uop->p);
host_x86_MOV16_STACK_REG(block, STACK_ARG0, src_reg);
host_x86_MOV32_STACK_IMM(block, STACK_ARG1, (uint32_t)uop->p);
host_x86_CALL(block, loadseg);
host_x86_TEST32_REG(block, REG_EAX, REG_EAX);
host_x86_JNZ(block, &block->data[BLOCK_EXIT_OFFSET]);
return 0;
}
static int codegen_MEM_LOAD_ABS(codeblock_t *block, uop_t *uop)
{
int dest_reg = HOST_REG_GET(uop->dest_reg_a_real), seg_reg = HOST_REG_GET(uop->src_reg_a_real);
@ -593,6 +609,8 @@ const uOpFn uop_handlers[UOP_MAX] =
{
[UOP_CALL_INSTRUCTION_FUNC & UOP_MASK] = codegen_CALL_INSTRUCTION_FUNC,
[UOP_LOAD_SEG & UOP_MASK] = codegen_LOAD_SEG,
[UOP_LOAD_FUNC_ARG_0_IMM & UOP_MASK] = codegen_LOAD_FUNC_ARG0_IMM,
[UOP_LOAD_FUNC_ARG_1_IMM & UOP_MASK] = codegen_LOAD_FUNC_ARG1_IMM,
[UOP_LOAD_FUNC_ARG_2_IMM & UOP_MASK] = codegen_LOAD_FUNC_ARG2_IMM,
@ -630,6 +648,10 @@ const uOpFn uop_handlers[UOP_MAX] =
[UOP_CMP_IMM_JZ & UOP_MASK] = codegen_CMP_IMM_JZ
};
void codegen_direct_read_16(codeblock_t *block, int host_reg, void *p)
{
host_x86_MOV16_REG_ABS(block, host_reg, p);
}
void codegen_direct_read_32(codeblock_t *block, int host_reg, void *p)
{
host_x86_MOV32_REG_ABS(block, host_reg, p);
@ -639,7 +661,10 @@ void codegen_direct_write_8(codeblock_t *block, void *p, int host_reg)
{
host_x86_MOV8_ABS_REG(block, p, host_reg);
}
void codegen_direct_write_16(codeblock_t *block, void *p, int host_reg)
{
host_x86_MOV16_ABS_REG(block, p, host_reg);
}
void codegen_direct_write_32(codeblock_t *block, void *p, int host_reg)
{
host_x86_MOV32_ABS_REG(block, p, host_reg);
@ -650,6 +675,10 @@ void codegen_direct_write_ptr(codeblock_t *block, void *p, int host_reg)
host_x86_MOV32_ABS_REG(block, p, host_reg);
}
void codegen_direct_read_16_stack(codeblock_t *block, int host_reg, int stack_offset)
{
host_x86_MOV16_REG_BASE_OFFSET(block, host_reg, REG_ESP, stack_offset);
}
void codegen_direct_read_32_stack(codeblock_t *block, int host_reg, int stack_offset)
{
host_x86_MOV32_REG_BASE_OFFSET(block, host_reg, REG_ESP, stack_offset);