[ASan] Add __attribute__((used)) to __asan_malloc_impl and

ampandey-AMD · ampandey-AMD · commit d77cc2c55f93 · 2024-02-12T12:02:47.000-05:00
__asan_free_impl.

To avoid optimization of these definitions by adding them to compiler
used global list.

Change-Id: If35972d52e5f372e0d2b1ca5bde154b440accb8d
diff --git a/amd/device-libs/asanrtl/src/dm.cl b/amd/device-libs/asanrtl/src/dm.cl
@@ -324,6 +324,7 @@ non_slab_free(__global alloc_t *ap, ulong pc)
 }
 
 // free
+USED
 NO_INLINE
 NO_SANITIZE_ADDR
 void
@@ -606,6 +607,7 @@ slab_malloc(ulong lsz, ulong pc)
 }
 
 // malloc
+USED
 NO_INLINE
 NO_SANITIZE_ADDR
 ulong

Original file line number	Diff line number	Diff line change
`@@ -324,6 +324,7 @@ non_slab_free(__global alloc_t *ap, ulong pc)`
`324`	`324`	`}`
`325`	`325`
`326`	`326`	`// free`
	`327`	`+USED`
`327`	`328`	`NO_INLINE`
`328`	`329`	`NO_SANITIZE_ADDR`
`329`	`330`	`void`
`@@ -606,6 +607,7 @@ slab_malloc(ulong lsz, ulong pc)`
`606`	`607`	`}`
`607`	`608`
`608`	`609`	`// malloc`
	`610`	`+USED`
`609`	`611`	`NO_INLINE`
`610`	`612`	`NO_SANITIZE_ADDR`
`611`	`613`	`ulong`