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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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58
src/codegen_backend_x86_ops.c
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@ -364,6 +364,20 @@ void host_x86_MOV8_ABS_REG(codeblock_t *block, void *p, int src_reg)
codegen_addlong(block, (uint32_t)p);
}
}
void host_x86_MOV16_ABS_REG(codeblock_t *block, void *p, int src_reg)
{
int offset = (uintptr_t)p - (((uintptr_t)&cpu_state) + 128);
if (offset >= -128 && offset < 127)
{
codegen_addbyte4(block, 0x66, 0x89, 0x45 | (src_reg << 3), offset); /*MOV offset[EBP], src_reg*/
}
else
{
codegen_addbyte3(block, 0x66, 0x89, 0x05 | (src_reg << 3)); /*MOV [p], src_reg*/
codegen_addlong(block, (uint32_t)p);
}
}
void host_x86_MOV32_ABS_REG(codeblock_t *block, void *p, int src_reg)
{
int offset = (uintptr_t)p - (((uintptr_t)&cpu_state) + 128);
@ -393,6 +407,20 @@ void host_x86_MOV32_BASE_INDEX_REG(codeblock_t *block, int base_reg, int idx_reg
codegen_addbyte3(block, 0x89, 0x04 | (src_reg << 3), base_reg | (idx_reg << 3)); /*MOV L[base_reg + idx_reg], src_reg*/
}
void host_x86_MOV16_REG_ABS(codeblock_t *block, int dst_reg, void *p)
{
int offset = (uintptr_t)p - (((uintptr_t)&cpu_state) + 128);
if (offset >= -128 && offset < 127)
{
codegen_addbyte4(block, 0x66, 0x8b, 0x45 | (dst_reg << 3), offset); /*MOV offset[EBP], src_reg*/
}
else
{
codegen_addbyte3(block, 0x66, 0x8b, 0x05 | (dst_reg << 3)); /*MOV [p], src_reg*/
codegen_addlong(block, (uint32_t)p);
}
}
void host_x86_MOV32_REG_ABS(codeblock_t *block, int dst_reg, void *p)
{
int offset = (uintptr_t)p - (((uintptr_t)&cpu_state) + 128);
@ -420,6 +448,21 @@ void host_x86_MOV32_REG_BASE_INDEX(codeblock_t *block, int dst_reg, int base_reg
codegen_addbyte3(block, 0x8b, 0x04 | (dst_reg << 3), base_reg | (idx_reg << 3)); /*MOV dst_reg, L[base_reg + idx_reg]*/
}
void host_x86_MOV16_REG_BASE_OFFSET(codeblock_t *block, int dst_reg, int base_reg, int offset)
{
if (offset >= -128 && offset < 127)
{
if (base_reg == REG_ESP)
{
codegen_addbyte(block, 0x66);
codegen_addbyte4(block, 0x8b, 0x40 | base_reg | (dst_reg << 3), 0x24, offset);
}
else
codegen_addbyte4(block, 0x66, 0x8b, 0x40 | base_reg | (dst_reg << 3), offset);
}
else
fatal("MOV16_REG_BASE_OFFSET - offset %i\n", offset);
}
void host_x86_MOV32_REG_BASE_OFFSET(codeblock_t *block, int dst_reg, int base_reg, int offset)
{
if (offset >= -128 && offset < 127)
@ -435,6 +478,21 @@ void host_x86_MOV32_REG_BASE_OFFSET(codeblock_t *block, int dst_reg, int base_re
fatal("MOV32_REG_BASE_OFFSET - offset %i\n", offset);
}
void host_x86_MOV16_BASE_OFFSET_REG(codeblock_t *block, int base_reg, int offset, int src_reg)
{
if (offset >= -128 && offset < 127)
{
if (base_reg == REG_ESP)
{
codegen_addbyte(block, 0x66);
codegen_addbyte4(block, 0x89, 0x40 | base_reg | (src_reg << 3), 0x24, offset);
}
else
codegen_addbyte4(block, 0x66, 0x89, 0x40 | base_reg | (src_reg << 3), offset);
}
else
fatal("MOV16_BASE_OFFSET_REG - offset %i\n", offset);
}
void host_x86_MOV32_BASE_OFFSET_REG(codeblock_t *block, int base_reg, int offset, int src_reg)
{
if (offset >= -128 && offset < 127)