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aubdump: Add a get_bo() lookup function

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We'll use this instead of accessing the bo array directly and add a few
sanity checks.
This commit is contained in:
Kristian Høgsberg Kristensen 2016-02-13 12:37:34 -08:00
parent 68a064ec64
commit c5c1270f0f
1 changed files with 17 additions and 5 deletions
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22
tools/aubdump.c
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@ -113,6 +113,18 @@ fail_if(int cond, const char *format, ...)
raise(SIGTRAP);
}
static struct bo *
get_bo(uint32_t handle)
{
struct bo *bo;
fail_if(handle >= MAX_BO_COUNT, "bo handle too large\n");
bo = &bos[handle];
fail_if(bo->size == 0, "invalid bo handle (%d) in execbuf\n", handle);
return bo;
}
static inline uint32_t
align_u32(uint32_t v, uint32_t a)
{
@ -266,7 +278,7 @@ relocate_bo(struct bo *bo, const struct drm_i915_gem_execbuffer2 *execbuffer2,
handle = relocs[i].target_handle;
dw = (uint32_t*)(((char *) relocated) + relocs[i].offset);
*dw = bos[handle].offset + relocs[i].delta;
*dw = get_bo(handle)->offset + relocs[i].delta;
}
return relocated;
@ -342,7 +354,7 @@ dump_execbuffer2(int fd, struct drm_i915_gem_execbuffer2 *execbuffer2)
for (uint32_t i = 0; i < execbuffer2->buffer_count; i++) {
obj = &exec_objects[i];
bo = &bos[obj->handle];
bo = get_bo(obj->handle);
bo->offset = offset;
offset = align_u32(offset + bo->size + 4095, 4096);
@ -352,10 +364,10 @@ dump_execbuffer2(int fd, struct drm_i915_gem_execbuffer2 *execbuffer2)
fail_if(bo->map == MAP_FAILED, "intel_aubdump: bo mmap failed\n");
}
batch_bo = &bos[exec_objects[execbuffer2->buffer_count - 1].handle];
batch_bo = get_bo(exec_objects[execbuffer2->buffer_count - 1].handle);
for (uint32_t i = 0; i < execbuffer2->buffer_count; i++) {
obj = &exec_objects[i];
bo = &bos[obj->handle];
bo = get_bo(obj->handle);
if (obj->relocation_count > 0)
data = relocate_bo(bo, execbuffer2, obj);
@ -394,7 +406,7 @@ add_new_bo(int handle, uint64_t size, void *map)
static void
remove_bo(int handle)
{
struct bo *bo = &bos[handle];
struct bo *bo = get_bo(handle);
if (bo->map && !IS_USERPTR(bo->map))
munmap(bo->map, bo->size);