C++ (Cpp) drsys_cur_syscall_result 예제들

예제 #1

파일: drsyscall_client.c 프로젝트: amy103039/drmemory

static void
event_post_syscall(void *drcontext, int sysnum)
{
    drsys_syscall_t *syscall;
    drsys_sysnum_t sysnum_full;
    bool success = false;
    const char *name;

    if (drsys_cur_syscall(drcontext, &syscall) != DRMF_SUCCESS)
        ASSERT(false, "drsys_cur_syscall failed");
    if (drsys_syscall_number(syscall, &sysnum_full) != DRMF_SUCCESS)
        ASSERT(false, "drsys_get_sysnum failed");
    ASSERT(sysnum == sysnum_full.number, "primary should match DR's num");
    if (drsys_syscall_name(syscall, &name) != DRMF_SUCCESS)
        ASSERT(false, "drsys_syscall_name failed");

    check_mcontext(drcontext);

    if (drsys_iterate_args(drcontext, drsys_iter_arg_cb, NULL) != DRMF_SUCCESS)
        ASSERT(false, "drsys_iterate_args failed");

    if (drsys_cur_syscall_result(drcontext, &success, NULL, NULL) !=
        DRMF_SUCCESS || !success) {
        /* With the new early injector on Linux, we see access, open, + stat64 fail */
#ifdef WINDOWS
        ASSERT(false, "no syscalls in this app should fail");
#endif
    } else {
        if (drsys_iterate_memargs(drcontext, drsys_iter_memarg_cb, NULL) != DRMF_SUCCESS)
            ASSERT(false, "drsys_iterate_memargs failed");
    }
}

예제 #2

파일: drstrace.c 프로젝트: DynamoRIO/drmemory

static void
event_post_syscall(void *drcontext, int sysnum)
{
    drsys_syscall_t *syscall;
    bool success = false;
    uint errno;
    drmf_status_t res;
    buf_info_t buf;
    buf.sofar = 0;

    if (drsys_cur_syscall(drcontext, &syscall) != DRMF_SUCCESS)
        ASSERT(false, "drsys_cur_syscall failed");

    if (drsys_cur_syscall_result(drcontext, &success, NULL, &errno) != DRMF_SUCCESS)
        ASSERT(false, "drsys_cur_syscall_result failed");

    if (success)
        OUTPUT(&buf, "    succeeded =>\n");
    else
        OUTPUT(&buf, "    failed (error="IF_WINDOWS_ELSE(PIFX, "%d")") =>\n", errno);
    res = drsys_iterate_args(drcontext, drsys_iter_arg_cb, &buf);
    if (res != DRMF_SUCCESS && res != DRMF_ERROR_DETAILS_UNKNOWN)
        ASSERT(false, "drsys_iterate_args failed post-syscall");
    FLUSH_BUFFER(outf, buf.buf, buf.sofar);
}

예제 #3

파일: syscall_wingdi.c 프로젝트: DynamoRIO/drmemory

bool
wingdi_shared_process_syscall(bool pre, void *drcontext, drsys_sysnum_t sysnum,
                              cls_syscall_t *pt, dr_mcontext_t *mc,
                              drsys_syscall_t *syscall)
{
    /* handlers here do not check for success so we check up front */
    if (!pre) {
        bool success;
        if (drsys_cur_syscall_result(drcontext, &success, NULL, NULL)
            != DRMF_SUCCESS || !success)
            return true;
    }

    if (sysnum.number == sysnum_GdiCreateDIBSection.number)
        return handle_GdiCreateDIBSection(pre, drcontext, pt);

    if (options.check_gdi) {
        syscall_check_gdi(pre, drcontext, sysnum, pt, mc);
    }

    return true; /* execute syscall */
}