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Add push_imm8(0x6a) instruction

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tuz358
2018-03-06 15:15:45 +09:00
parent 0491cbd3e0
commit b2dc9aa54d
2 changed files with 11 additions and 0 deletions
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1
include/instructions.h
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@@ -77,6 +77,7 @@ public:
void pop_esi(); // 0x5e void pop_esi(); // 0x5e
void pop_edi(); // 0x5f void pop_edi(); // 0x5f
void push_imm32(); // 0x68 void push_imm32(); // 0x68
void push_imm8(); // 0x6a
void jne_imm8(); // 0x75 void jne_imm8(); // 0x75
void opcode_83(); // 0x83 void opcode_83(); // 0x83
void mov_rm32_r32(); // 0x89 void mov_rm32_r32(); // 0x89

10
instructions.cpp
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@@ -71,6 +71,7 @@ void Instructions::init_instructions(){
this->instructions[0x5e] = &Instructions::pop_esi; this->instructions[0x5e] = &Instructions::pop_esi;
this->instructions[0x5f] = &Instructions::pop_edi; this->instructions[0x5f] = &Instructions::pop_edi;
this->instructions[0x68] = &Instructions::push_imm32; this->instructions[0x68] = &Instructions::push_imm32;
this->instructions[0x6a] = &Instructions::push_imm8;
this->instructions[0x75] = &Instructions::jne_imm8; this->instructions[0x75] = &Instructions::jne_imm8;
this->instructions[0x83] = &Instructions::opcode_83; this->instructions[0x83] = &Instructions::opcode_83;
this->instructions[0x89] = &Instructions::mov_rm32_r32; this->instructions[0x89] = &Instructions::mov_rm32_r32;
@@ -895,6 +896,15 @@ void Instructions::push_imm32(){
imm32 = swap_endian32(imm32); imm32 = swap_endian32(imm32);
this->registers[4] -= 4; // esp -= 4 this->registers[4] -= 4; // esp -= 4
memory.write_uint32(this->registers[4], imm32); memory.write_uint32(this->registers[4], imm32);
this->eip += 4;
}
void Instructions::push_imm8(){
//printf("push_imm8 called.\n");
uint8_t imm8 = memory.read_uint8(this->eip);
this->registers[4] -= 4; // esp -= 4
memory.write_uint8(this->registers[4], imm8);
this->eip++;
} }
void Instructions::jne_imm8(){ void Instructions::jne_imm8(){