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| author | Marek Polacek <mpolacek@gcc.gnu.org> | 2013-08-30 16:12:58 +0000 |
|---|---|---|
| committer | Marek Polacek <mpolacek@gcc.gnu.org> | 2013-08-30 16:12:58 +0000 |
| commit | de5a5fa1395db2cb5da4d0593fef40ec22378576 (patch) | |
| tree | 23d42aa647cb7a2de96792b724ecaaddee3423fa /gcc/asan.c | |
| parent | f07f30cfb5efe0806dedaea03b56c574da1b372c (diff) | |
| download | gcc-de5a5fa1395db2cb5da4d0593fef40ec22378576.zip gcc-de5a5fa1395db2cb5da4d0593fef40ec22378576.tar.gz gcc-de5a5fa1395db2cb5da4d0593fef40ec22378576.tar.bz2 | |
Merge ubsan into trunk.
From-SVN: r202113
Diffstat (limited to 'gcc/asan.c')
| -rw-r--r-- | gcc/asan.c | 26 |
1 files changed, 17 insertions, 9 deletions
@@ -1938,7 +1938,7 @@ asan_global_struct (void) = build_decl (UNKNOWN_LOCATION, FIELD_DECL, get_identifier (field_names[i]), (i == 0 || i == 3) ? const_ptr_type_node - : build_nonstandard_integer_type (POINTER_SIZE, 1)); + : pointer_sized_int_node); DECL_CONTEXT (fields[i]) = ret; if (i) DECL_CHAIN (fields[i - 1]) = fields[i]; @@ -2016,10 +2016,12 @@ initialize_sanitizer_builtins (void) tree BT_FN_VOID = build_function_type_list (void_type_node, NULL_TREE); tree BT_FN_VOID_PTR = build_function_type_list (void_type_node, ptr_type_node, NULL_TREE); + tree BT_FN_VOID_PTR_PTR_PTR + = build_function_type_list (void_type_node, ptr_type_node, + ptr_type_node, ptr_type_node, NULL_TREE); tree BT_FN_VOID_PTR_PTRMODE = build_function_type_list (void_type_node, ptr_type_node, - build_nonstandard_integer_type (POINTER_SIZE, - 1), NULL_TREE); + 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_BOOL_VPTR_PTR_IX_INT_INT[5]; @@ -2081,6 +2083,12 @@ initialize_sanitizer_builtins (void) #undef ATTR_TMPURE_NORETURN_NOTHROW_LEAF_LIST #define ATTR_TMPURE_NORETURN_NOTHROW_LEAF_LIST \ ECF_TM_PURE | ATTR_NORETURN_NOTHROW_LEAF_LIST +#undef ATTR_COLD_NOTHROW_LEAF_LIST +#define ATTR_COLD_NOTHROW_LEAF_LIST \ + /* ECF_COLD missing */ ATTR_NOTHROW_LEAF_LIST +#undef ATTR_COLD_NORETURN_NOTHROW_LEAF_LIST +#define ATTR_COLD_NORETURN_NOTHROW_LEAF_LIST \ + /* ECF_COLD missing */ ATTR_NORETURN_NOTHROW_LEAF_LIST #undef DEF_SANITIZER_BUILTIN #define DEF_SANITIZER_BUILTIN(ENUM, NAME, TYPE, ATTRS) \ decl = add_builtin_function ("__builtin_" NAME, TYPE, ENUM, \ @@ -2157,7 +2165,7 @@ asan_finish_file (void) /* Avoid instrumenting code in the asan ctors/dtors. We don't need to insert padding after the description strings, nor after .LASAN* array. */ - flag_asan = 0; + flag_sanitize &= ~SANITIZE_ADDRESS; tree fn = builtin_decl_implicit (BUILT_IN_ASAN_INIT); append_to_statement_list (build_call_expr (fn, 0), &asan_ctor_statements); @@ -2170,7 +2178,6 @@ asan_finish_file (void) if (gcount) { tree type = asan_global_struct (), var, ctor; - tree uptr = build_nonstandard_integer_type (POINTER_SIZE, 1); tree dtor_statements = NULL_TREE; vec<constructor_elt, va_gc> *v; char buf[20]; @@ -2199,22 +2206,23 @@ asan_finish_file (void) varpool_assemble_decl (varpool_node_for_decl (var)); fn = builtin_decl_implicit (BUILT_IN_ASAN_REGISTER_GLOBALS); + tree gcount_tree = build_int_cst (pointer_sized_int_node, gcount); append_to_statement_list (build_call_expr (fn, 2, build_fold_addr_expr (var), - build_int_cst (uptr, gcount)), + gcount_tree), &asan_ctor_statements); fn = builtin_decl_implicit (BUILT_IN_ASAN_UNREGISTER_GLOBALS); append_to_statement_list (build_call_expr (fn, 2, build_fold_addr_expr (var), - build_int_cst (uptr, gcount)), + gcount_tree), &dtor_statements); cgraph_build_static_cdtor ('D', dtor_statements, MAX_RESERVED_INIT_PRIORITY - 1); } cgraph_build_static_cdtor ('I', asan_ctor_statements, MAX_RESERVED_INIT_PRIORITY - 1); - flag_asan = 1; + flag_sanitize |= SANITIZE_ADDRESS; } /* Instrument the current function. */ @@ -2231,7 +2239,7 @@ asan_instrument (void) static bool gate_asan (void) { - return flag_asan != 0 + return (flag_sanitize & SANITIZE_ADDRESS) != 0 && !lookup_attribute ("no_sanitize_address", DECL_ATTRIBUTES (current_function_decl)); } |