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Added recompiled versions of MOV seg, POP seg, PUSH FS/GS, LDS,LES,LFS,LGS,LSS.

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This commit is contained in:
SarahW 2016-12-10 12:23:06 +00:00
commit d729fc8297
5 changed files with 262 additions and 12 deletions
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45
src/codegen_ops_x86.h
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@ -145,6 +145,18 @@ static int LOAD_VAR_W(uintptr_t addr)
return host_reg;
}
static int LOAD_VAR_WL(uintptr_t addr)
{
int host_reg = find_host_reg();
host_reg_mapping[host_reg] = 0;
addbyte(0x0f); /*MOVZX host_reg, [addr]*/
addbyte(0xb7);
addbyte(0x05 | (host_reg << 3));
addlong((uint32_t)addr);
return host_reg;
}
static int LOAD_VAR_L(uintptr_t addr)
{
int host_reg = find_host_reg();
@ -693,6 +705,19 @@ static void MEM_LOAD_ADDR_EA_W(x86seg *seg)
host_reg_mapping[0] = 8;
}
static void MEM_LOAD_ADDR_EA_W_OFFSET(x86seg *seg, int offset)
{
addbyte(0x8b); /*MOVL EDX, seg->base*/
addbyte(0x05 | (REG_EDX << 3));
addlong((uint32_t)&seg->base);
addbyte(0x83); /*ADD EAX, offset*/
addbyte(0xc0);
addbyte(offset);
addbyte(0xe8); /*CALL mem_load_addr_ea_w*/
addlong(mem_load_addr_ea_w - (uint32_t)(&codeblock[block_current].data[block_pos + 4]));
host_reg_mapping[0] = 8;
}
static int MEM_LOAD_ADDR_EA_W_NO_ABRT(x86seg *seg)
{
addbyte(0x8b); /*MOVL EDX, seg->base*/
@ -3758,3 +3783,23 @@ static void MEM_CHECK_WRITE_L(x86seg *seg)
addlong(mem_check_write_l - (uint32_t)(&codeblock[block_current].data[block_pos + 4]));
LOAD_EA();
}
static void LOAD_SEG(int host_reg, void *seg)
{
addbyte(0xc7); /*MOV [ESP+4], seg*/
addbyte(0x44);
addbyte(0x24);
addbyte(4);
addlong((uint32_t)seg);
addbyte(0x89); /*MOV [ESP], host_reg*/
addbyte(0x04 | (host_reg << 3));
addbyte(0x24);
CALL_FUNC(loadseg);
addbyte(0x80); /*CMP abrt, 0*/
addbyte(0x7d);
addbyte(cpu_state_offset(abrt));
addbyte(0);
addbyte(0x0f); /*JNE end*/
addbyte(0x85);
addlong(BLOCK_EXIT_OFFSET - (block_pos + 4));
}