void dmtcp::ProcessInfo::init()
{
#ifdef CONFIG_M32
_elfType = Elf_32;
#else
_elfType = Elf_64;
#endif
growStack();
// Reserve space for restoreBuf
_restoreBufLen = RESTORE_TOTAL_SIZE;
// Allocate two extra pages -- one at the start, one at the end -- to work as
// guard pages for the restore area.
void *addr = mmap(NULL, _restoreBufLen + (2 * 4096), PROT_READ,
MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
JASSERT(addr != MAP_FAILED) (JASSERT_ERRNO);
_restoreBufAddr = (uint64_t) addr + 4096;
JASSERT(mprotect((void*)_restoreBufAddr, _restoreBufLen, PROT_NONE) == 0)
((void*)_restoreBufAddr) (_restoreBufLen) (JASSERT_ERRNO);
if (_ckptDir.empty()) {
updateCkptDirFileSubdir();
}
}
int testExpandStack_cmd(int argc, char **argv) {
log(L_INFO, "Expanding stack... Current ESP is 0x%x", _ESP);
growStack();
log(L_INFO, "Stack expanded... Current ESP is 0x%x", _ESP);
printf("Stack expanded...\n");
return 0;
}
