2024-02-12 05:44:38 +00:00
|
|
|
#pragma once
|
|
|
|
|
|
|
|
|
|
#ifndef __arm__
|
|
|
|
|
#error "Patching Code Is ARM Only"
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#include <cstdint>
|
|
|
|
|
|
|
|
|
|
// Segments
|
|
|
|
|
struct segment_data {
|
|
|
|
|
void *start;
|
|
|
|
|
void *end;
|
|
|
|
|
bool is_executable;
|
|
|
|
|
bool is_writable;
|
|
|
|
|
};
|
|
|
|
|
__attribute__((visibility("internal"))) segment_data &get_data_for_addr(void *addr);
|
|
|
|
|
__attribute__((visibility("internal"))) void add_segment(segment_data data);
|
|
|
|
|
|
|
|
|
|
// Code Block
|
|
|
|
|
__attribute__((visibility("internal"))) void *update_code_block(void *target);
|
|
|
|
|
__attribute__((visibility("internal"))) void increment_code_block();
|
|
|
|
|
|
|
|
|
|
// BL Instruction Magic Number
|
|
|
|
|
#define BL_INSTRUCTION 0xeb
|
|
|
|
|
#define B_INSTRUCTION 0xea
|
2024-08-23 03:43:32 +00:00
|
|
|
__attribute__((visibility("internal"))) bool is_branch_instruction(unsigned char opcode);
|
|
|
|
|
__attribute__((visibility("internal"))) uint32_t generate_bl_instruction(void *from, void *to, unsigned char opcode = BL_INSTRUCTION);
|
