Dump memory from gdb

gistfile1.c

unsigned int ReadWord(unsigned int *address)
{
    return *address;
}

int DumpMemory(char *fileName, void* address, size_t size)
{
    int file;
    int ret = 0;
    size_t written = 0;
    
    do {
        file = open(fileName, O_RDWR | O_CREAT | O_TRUNC);
    } while(file == -1 && errno == EINTR);

    if(file == -1) {
        TraceErr(m, "Couldn't open %s to dump memory: %s", fileName, strerror(errno));
        ret = -1;
    }

    while(written < size)
    {
        int w = write(file, address+written, size-written);
        if(w < 0 && errno != EINTR)
        {
            TraceErr(m, "Write to %s failed: %s", fileName, strerror(errno));
            ret = -1;
            break;
        } else {
            written += w;
        }
    }

    if(ret == 0 && close(file) != 0 && errno != EINTR)
    {
        TraceErr(m, "Closing %s failed (%s), file may be wrong or incomplete.", fileName, strerror(errno));
        ret = -1;
    }

    return ret;
}