void EHFrameManager::writeAndRegister(void* func_addr, uint64_t func_size) {
assert(eh_frame_addr == NULL);
eh_frame_addr = malloc(EH_FRAME_SIZE);
writeTrivialEhFrame(eh_frame_addr, func_addr, func_size);
// (EH_FRAME_SIZE - 4) to omit the 4-byte null terminator, otherwise we trip an assert in parseEhFrame.
// TODO: can we omit the terminator in general?
registerDynamicEhFrame((uint64_t)func_addr, func_size, (uint64_t)eh_frame_addr, EH_FRAME_SIZE - 4);
registerEHFrames((uint8_t*)eh_frame_addr, (uint64_t)eh_frame_addr, EH_FRAME_SIZE);
}
void EHFrameManager::writeAndRegister(void* func_addr, uint64_t func_size) {
assert(eh_frame_addr == NULL);
const int size = omit_frame_pointer ? _eh_frame_template_ofp_size : _eh_frame_template_fp_size;
#ifdef NVALGRIND
eh_frame_addr = malloc(size);
#else
eh_frame_addr = mmap(NULL, (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1), PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
RELEASE_ASSERT(eh_frame_addr != MAP_FAILED, "");
#endif
writeTrivialEhFrame(eh_frame_addr, func_addr, func_size, omit_frame_pointer);
// (EH_FRAME_SIZE - 4) to omit the 4-byte null terminator, otherwise we trip an assert in parseEhFrame.
// TODO: can we omit the terminator in general?
registerDynamicEhFrame((uint64_t)func_addr, func_size, (uint64_t)eh_frame_addr, size - 4);
registerEHFrames((uint8_t*)eh_frame_addr, (uint64_t)eh_frame_addr, size);
}
