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Added recompiled versions of PUSH [mem], PUSH seg, NOP, CLD, STD, JMP indirect, CALL indirect.

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This commit is contained in:
TomW 2015-11-17 20:52:51 +00:00
commit e9bea8ab7e
6 changed files with 253 additions and 11 deletions
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31
src/codegen_ops_stack.h
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@ -217,3 +217,34 @@ static uint32_t ropLEAVE_32(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, u
return op_pc;
}
#define ROP_PUSH_SEG(seg) \
static uint32_t ropPUSH_ ## seg ## _16(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block) \
{ \
int host_reg; \
\
STORE_IMM_ADDR_L((uintptr_t)&oldpc, op_old_pc); \
LOAD_STACK_TO_EA(-2); \
host_reg = LOAD_VAR_W((uintptr_t)&seg); \
MEM_STORE_ADDR_EA_W(&_ss, host_reg); \
SP_MODIFY(-2); \
\
return op_pc; \
} \
static uint32_t ropPUSH_ ## seg ## _32(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block) \
{ \
int host_reg; \
\
STORE_IMM_ADDR_L((uintptr_t)&oldpc, op_old_pc); \
LOAD_STACK_TO_EA(-4); \
host_reg = LOAD_VAR_W((uintptr_t)&seg); \
MEM_STORE_ADDR_EA_L(&_ss, host_reg); \
SP_MODIFY(-4); \
\
return op_pc; \
}
ROP_PUSH_SEG(CS)
ROP_PUSH_SEG(DS)
ROP_PUSH_SEG(ES)
ROP_PUSH_SEG(SS)