Test: check leakage of vc4 gem memory.sandbox/elongbug/test

Change-Id: I2ef8bdb79fd08cf4e4542f9d202ad955185a0872

1 files changed, 60 insertions, 0 deletions

diff --git a/xf86drm.c b/xf86drm.c
index 88f86ed5..5d5effd2 100644
--- a/xf86drm.c
+++ b/xf86drm.c
@@ -182,14 +182,74 @@ void drmFree(void *pt)
 /**
  * Call ioctl, restarting if it is interupted
  */
+#include <execinfo.h>
+static void print_gnu_backtrace(void)
+{
+#if 0
+   void* frame_addrs[16];
+   char** frame_strings;
+   size_t backtrace_size;
+   int i;
+   backtrace_size = backtrace(frame_addrs, 16);
+   frame_strings = backtrace_symbols(frame_addrs, backtrace_size);
+
+   for (i = 0; i < backtrace_size; ++i)
+      {
+         printf("%d: [0x%x] %s\n", i, frame_addrs[i], frame_strings[i]);
+      }
+   free(frame_strings);
+#endif
+}
+
 int
 drmIoctl(int fd, unsigned long request, void *arg)
 {
     int ret;
+#if 0
+   if (request == DRM_IOCTL_GEM_CLOSE) {
+        struct drm_gem_close *args = arg;
+        fprintf(stderr, "drm_device_fd: %d, gem_close handle = %d\n", fd, args->handle);
+        print_gnu_backtrace();
+   }
+#endif
 
     do {
         ret = ioctl(fd, request, arg);
     } while (ret == -1 && (errno == EINTR || errno == EAGAIN));
+
+#if 0
+    if (ret == -1) {
+      char buf[1024];
+      strerror_r(errno, buf, sizeof(buf));
+      fprintf(stderr, "drmIoctl error:  %d(%s)\n", errno, buf);
+    }
+#endif
+
+#if 0
+struct drm_vc4_create_bo {
+    __u32 size;
+    __u32 flags;
+    /** Returned GEM handle for the BO. */
+    __u32 handle;
+    __u32 pad;
+};
+#define DRM_VC4_CREATE_BO                         0x03
+#define DRM_IOCTL_VC4_CREATE_BO           DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_CREATE_BO, struct drm_vc4_create_bo)
+    if ( request == DRM_IOCTL_PRIME_FD_TO_HANDLE ) {
+        struct drm_prime_handle *args = arg;
+        fprintf(stderr, "drm_device_fd: %d, fdtohandle handle = %d\n", fd, args->handle);
+        print_gnu_backtrace();
+    } else if (request == DRM_IOCTL_GEM_OPEN ) {
+        struct drm_gem_open *args = arg;
+        fprintf(stderr, "drm_device_fd: %d, gemopen handle = %d\n", fd, args->handle);
+        print_gnu_backtrace();
+    } else if (request == DRM_IOCTL_VC4_CREATE_BO) {
+        struct drm_vc4_create_bo *args = arg;
+        fprintf(stderr, "drm_device_fd: %d, gemcreate handle = %d\n", fd, args->handle);
+        print_gnu_backtrace();
+    }
+    fflush(stderr);
+#endif
     return ret;
 }