void FunctionAddressRegistry::dumpPerfMap() {
std::string out_path = "perf_map";
removeDirectoryIfExists(out_path);
llvm_error_code code;
code = llvm::sys::fs::create_directory(out_path, false);
assert(!code);
FILE* index_f = fopen((out_path + "/index.txt").c_str(), "w");
char buf[80];
snprintf(buf, 80, "/tmp/perf-%d.map", getpid());
FILE* f = fopen(buf, "w");
for (const auto& p : functions) {
const FuncInfo& info = p.second;
fprintf(f, "%lx %x %s\n", (uintptr_t)p.first, info.length, info.name.c_str());
if (info.length > 0) {
fprintf(index_f, "%lx %s\n", (uintptr_t)p.first, info.name.c_str());
FILE* data_f = fopen((out_path + "/" + info.name).c_str(), "wb");
int written = fwrite((void*)p.first, 1, info.length, data_f);
assert(written == info.length);
fclose(data_f);
}
}
fclose(f);
}
AST_Module* parse_string(const char* code) {
int size = strlen(code);
char buf[] = "pystontmp_XXXXXX";
char* tmpdir = mkdtemp(buf);
assert(tmpdir);
std::string tmp = std::string(tmpdir) + "/in.py";
if (VERBOSITY() >= 3) {
printf("writing %d bytes to %s\n", size, tmp.c_str());
}
FILE* f = fopen(tmp.c_str(), "w");
fwrite(code, 1, size, f);
fputc('\n', f);
fclose(f);
AST_Module* m = parse_file(tmp.c_str());
removeDirectoryIfExists(tmpdir);
return m;
}