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Add ret(0xc3) instruction

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tuz358
2018-03-06 15:59:53 +09:00
parent 21cfae7d29
commit a821412197
2 changed files with 8 additions and 0 deletions
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1
include/instructions.h
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@@ -91,6 +91,7 @@ public:
void mov_ebp_imm32(); // 0xbd void mov_ebp_imm32(); // 0xbd
void mov_esi_imm32(); // 0xbe void mov_esi_imm32(); // 0xbe
void mov_edi_imm32(); // 0xbf void mov_edi_imm32(); // 0xbf
void ret(); // 0xc3
void leave(); // 0xc9 void leave(); // 0xc9
void call_imm32(); // 0xe8 void call_imm32(); // 0xe8
void jmp_imm8(); // 0xeb void jmp_imm8(); // 0xeb

7
instructions.cpp
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@@ -87,6 +87,7 @@ void Instructions::init_instructions(){
this->instructions[0xbd] = &Instructions::mov_ebp_imm32; this->instructions[0xbd] = &Instructions::mov_ebp_imm32;
this->instructions[0xbe] = &Instructions::mov_esi_imm32; this->instructions[0xbe] = &Instructions::mov_esi_imm32;
this->instructions[0xbf] = &Instructions::mov_edi_imm32; this->instructions[0xbf] = &Instructions::mov_edi_imm32;
this->instructions[0xc3] = &Instructions::ret;
this->instructions[0xc9] = &Instructions::leave; this->instructions[0xc9] = &Instructions::leave;
this->instructions[0xe8] = &Instructions::call_imm32; this->instructions[0xe8] = &Instructions::call_imm32;
this->instructions[0xeb] = &Instructions::jmp_imm8; this->instructions[0xeb] = &Instructions::jmp_imm8;
@@ -1064,6 +1065,12 @@ void Instructions::mov_edi_imm32(){
this->eip += 4; this->eip += 4;
} }
void Instructions::ret(){
//printf("ret called.\n");
this->eip = memory.read_uint32(this->registers[4]);
this->eip = swap_endian32(this->eip);
}
void Instructions::leave(){ void Instructions::leave(){
//printf("leave called.\n"); //printf("leave called.\n");