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add: migrate source code of luahook

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0O0o0oOoO00
2025-11-01 00:23:46 +08:00
parent 753e676152
commit 41505d6e91
520 changed files with 154475 additions and 0 deletions
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37
blcrack/cracker/Dobby/source/Backend/UserMode/ExecMemory/code-patch-tool-posix.cc Normal file
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#include "dobby/dobby_internal.h"
#include "core/arch/Cpu.h"
#include <unistd.h>
#include <sys/mman.h>
#include <string.h>
#if !defined(__APPLE__)
PUBLIC int DobbyCodePatch(void *address, uint8_t *buffer, uint32_t buffer_size) {
#if defined(__ANDROID__) || defined(__linux__)
int page_size = (int)sysconf(_SC_PAGESIZE);
uintptr_t patch_page = ALIGN_FLOOR(address, page_size);
uintptr_t patch_end_page = ALIGN_FLOOR((uintptr_t)address + buffer_size, page_size);
// change page permission as rwx
mprotect((void *)patch_page, page_size, PROT_READ | PROT_WRITE | PROT_EXEC);
if (patch_page != patch_end_page) {
mprotect((void *)patch_end_page, page_size, PROT_READ | PROT_WRITE | PROT_EXEC);
}
// patch buffer
memcpy(address, buffer, buffer_size);
// restore page permission
mprotect((void *)patch_page, page_size, PROT_READ | PROT_EXEC);
if (patch_page != patch_end_page) {
mprotect((void *)patch_end_page, page_size, PROT_READ | PROT_EXEC);
}
addr_t clear_start_ = (addr_t)address;
ClearCache((void *)clear_start_, (void *)(clear_start_ + buffer_size));
#endif
return 0;
}
#endif