Function print_frame

src/misc/alloc_tracker.cpp:264–293

}

static void print_frame(FILE *out, void *addr) {
    HANDLE proc = GetCurrentProcess();
    DWORD64 addr64 = (DWORD64)addr;

    char symbuf[sizeof(SYMBOL_INFO) + MAX_SYM_NAME * sizeof(char)];
    SYMBOL_INFO *sym = (SYMBOL_INFO*)symbuf;
    sym->SizeOfStruct = sizeof(SYMBOL_INFO);
    sym->MaxNameLen   = MAX_SYM_NAME;

    DWORD64 disp = 0;
    bool haveSym = SymFromAddr(proc, addr64, &disp, sym) != FALSE;
    if (!haveSym || disp >= kMaxTrustedSymbolOffset) {
        // Distant symbol match is likely misattributed — module+offset is more useful.
        print_module_fallback(out, proc, addr, addr64);
        return;
    }

    const char *name = sym->Name;
    IMAGEHLP_LINE64 line;
    memset(&line, 0, sizeof(line));
    line.SizeOfStruct = sizeof(line);
    DWORD lineDisp = 0;
    if (SymGetLineFromAddr64(proc, addr64, &lineDisp, &line)) {
        fprintf(out, "    %p  %s+0x%llx   %s:%lu\n",
                addr, name, (unsigned long long)disp, line.FileName, (unsigned long)line.LineNumber);
    } else {
        fprintf(out, "    %p  %s+0x%llx\n",
                addr, name, (unsigned long long)disp);
    }
}
#else
static void init_symbols() {}