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re PR sanitizer/63788 (ICE: SIGSEGV in contains_struct_check with -O -fsanitize=undefined on almost any fortran code)

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PR sanitizer/63788
	* asan.c (initialize_sanitizer_builtins): Add BT_FN_SIZE_CONST_PTR_INT
	var.  Conditionally build BUILT_IN_OBJECT_SIZE decl.
	(ATTR_PURE_NOTHROW_LEAF_LIST): Define.

From-SVN: r218084
This commit is contained in:
Marek Polacek 2014-11-26 14:05:21 +00:00 committed by Marek Polacek
parent 3c350d48a5
commit 0bae64d580
2 changed files with 21 additions and 0 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2014-11-26 Marek Polacek <polacek@redhat.com>
PR sanitizer/63788
* asan.c (initialize_sanitizer_builtins): Add BT_FN_SIZE_CONST_PTR_INT
var. Conditionally build BUILT_IN_OBJECT_SIZE decl.
(ATTR_PURE_NOTHROW_LEAF_LIST): Define.
2014-11-26 Ilya Enkovich <ilya.enkovich@intel.com>
PR lto/64075

14
gcc/asan.c
View File

@ -2295,6 +2295,9 @@ initialize_sanitizer_builtins (void)
pointer_sized_int_node, NULL_TREE);
tree BT_FN_VOID_INT
= build_function_type_list (void_type_node, integer_type_node, NULL_TREE);
tree BT_FN_SIZE_CONST_PTR_INT
= build_function_type_list (size_type_node, const_ptr_type_node,
integer_type_node, NULL_TREE);
tree BT_FN_BOOL_VPTR_PTR_IX_INT_INT[5];
tree BT_FN_IX_CONST_VPTR_INT[5];
tree BT_FN_IX_VPTR_IX_INT[5];
@ -2366,6 +2369,8 @@ initialize_sanitizer_builtins (void)
#undef ATTR_COLD_CONST_NORETURN_NOTHROW_LEAF_LIST
#define ATTR_COLD_CONST_NORETURN_NOTHROW_LEAF_LIST \
/* ECF_COLD missing */ ATTR_CONST_NORETURN_NOTHROW_LEAF_LIST
#undef ATTR_PURE_NOTHROW_LEAF_LIST
#define ATTR_PURE_NOTHROW_LEAF_LIST ECF_PURE | ATTR_NOTHROW_LEAF_LIST
#undef DEF_SANITIZER_BUILTIN
#define DEF_SANITIZER_BUILTIN(ENUM, NAME, TYPE, ATTRS) \
decl = add_builtin_function ("__builtin_" NAME, TYPE, ENUM, \
@ -2375,6 +2380,15 @@ initialize_sanitizer_builtins (void)
#include "sanitizer.def"
/* -fsanitize=object-size uses __builtin_object_size, but that might
not be available for e.g. Fortran at this point. We use
DEF_SANITIZER_BUILTIN here only as a convenience macro. */
if ((flag_sanitize & SANITIZE_OBJECT_SIZE)
&& !builtin_decl_implicit_p (BUILT_IN_OBJECT_SIZE))
DEF_SANITIZER_BUILTIN (BUILT_IN_OBJECT_SIZE, "object_size",
BT_FN_SIZE_CONST_PTR_INT,
ATTR_PURE_NOTHROW_LEAF_LIST)
#undef DEF_SANITIZER_BUILTIN
}