<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">From 0e37a2f33da9dcc33921ded88f700c28dff7960e Mon Sep 17 00:00:00 2001
From: Marek Polacek &lt;mpolacek@gcc.gnu.org&gt;
Date: Fri, 20 Jun 2014 21:20:51 +0000
Subject: asan.c (pass_sanopt::execute): Handle IFN_UBSAN_BOUNDS.

	* asan.c (pass_sanopt::execute): Handle IFN_UBSAN_BOUNDS.
	* flag-types.h (enum sanitize_code): Add SANITIZE_BOUNDS and or it
	into SANITIZE_UNDEFINED.
	* doc/invoke.texi: Describe -fsanitize=bounds.
	* gimplify.c (gimplify_call_expr): Add gimplification of internal
	functions created in the FEs.
	* internal-fn.c: Move "internal-fn.h" after "tree.h".
	(expand_UBSAN_BOUNDS): New function.
	* internal-fn.def (UBSAN_BOUNDS): New internal function.
	* internal-fn.h: Don't define internal functions here.
	* opts.c (common_handle_option): Add -fsanitize=bounds.
	* sanitizer.def (BUILT_IN_UBSAN_HANDLE_OUT_OF_BOUNDS,
	BUILT_IN_UBSAN_HANDLE_OUT_OF_BOUNDS_ABORT): Add.
	* tree-core.h: Define internal functions here.
	(struct tree_base): Add ifn field.
	* tree-pretty-print.c: Include "internal-fn.h".
	(dump_generic_node): Handle functions without CALL_EXPR_FN.
	* tree.c (get_callee_fndecl): Likewise.
	(build_call_expr_internal_loc): New function.
	* tree.def (CALL_EXPR): Update description.
	* tree.h (CALL_EXPR_IFN): Define.
	(build_call_expr_internal_loc): Declare.
	* ubsan.c (get_ubsan_type_info_for_type): Return 0 for non-arithmetic
	types.
	(ubsan_type_descriptor): Change bool parameter to enum
	ubsan_print_style.  Adjust the code.  Add handling of
	UBSAN_PRINT_ARRAY.
	(ubsan_expand_bounds_ifn): New function.
	(ubsan_expand_null_ifn): Adjust ubsan_type_descriptor call.
	(ubsan_build_overflow_builtin): Likewise.
	(instrument_bool_enum_load): Likewise.
	(ubsan_instrument_float_cast): Likewise.
	* ubsan.h (enum ubsan_print_style): New enum.
	(ubsan_expand_bounds_ifn): Declare.
	(ubsan_type_descriptor): Adjust declaration.  Use a default parameter.
c-family/
	* c-gimplify.c: Include "c-ubsan.h" and "pointer-set.h".
	(ubsan_walk_array_refs_r): New function.
	(c_genericize): Instrument array bounds.
	* c-ubsan.c: Include "internal-fn.h".
	(ubsan_instrument_division): Mark instrumented arrays as having
	side effects.  Adjust ubsan_type_descriptor call.
	(ubsan_instrument_shift): Likewise.
	(ubsan_instrument_vla): Adjust ubsan_type_descriptor call.
	(ubsan_instrument_bounds): New function.
	(ubsan_array_ref_instrumented_p): New function.
	(ubsan_maybe_instrument_array_ref): New function.
	* c-ubsan.h (ubsan_instrument_bounds): Declare.
	(ubsan_array_ref_instrumented_p): Declare.
	(ubsan_maybe_instrument_array_ref): Declare.
testsuite/
	* c-c++-common/ubsan/bounds-1.c: New test.
	* c-c++-common/ubsan/bounds-2.c: New test.
	* c-c++-common/ubsan/bounds-3.c: New test.
	* c-c++-common/ubsan/bounds-4.c: New test.
	* c-c++-common/ubsan/bounds-5.c: New test.
	* c-c++-common/ubsan/bounds-6.c: New test.

From-SVN: r211859
---
 gcc/sanitizer.def | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'gcc/sanitizer.def')

diff --git a/gcc/sanitizer.def b/gcc/sanitizer.def
index b4af164..1f5ef21 100644
--- a/gcc/sanitizer.def
+++ b/gcc/sanitizer.def
@@ -409,3 +409,11 @@ DEF_SANITIZER_BUILTIN(BUILT_IN_UBSAN_HANDLE_FLOAT_CAST_OVERFLOW_ABORT,
 		      "__ubsan_handle_float_cast_overflow_abort",
 		      BT_FN_VOID_PTR_PTR,
 		      ATTR_COLD_NORETURN_NOTHROW_LEAF_LIST)
+DEF_SANITIZER_BUILTIN(BUILT_IN_UBSAN_HANDLE_OUT_OF_BOUNDS,
+		      "__ubsan_handle_out_of_bounds",
+		      BT_FN_VOID_PTR_PTR,
+		      ATTR_COLD_NOTHROW_LEAF_LIST)
+DEF_SANITIZER_BUILTIN(BUILT_IN_UBSAN_HANDLE_OUT_OF_BOUNDS_ABORT,
+		      "__ubsan_handle_out_of_bounds_abort",
+		      BT_FN_VOID_PTR_PTR,
+		      ATTR_COLD_NORETURN_NOTHROW_LEAF_LIST)
-- 
cgit v1.1

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