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| author | Martin Liska <mliska@suse.cz> | 2018-05-11 09:37:35 +0200 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2018-05-11 07:37:35 +0000 |
| commit | 19916065b7fb26bbb36f7bbe5688ae2c1661dec3 (patch) | |
| tree | f5d45b2c3debefede4370624eb06a7a8ed2947ab /gcc/c-family | |
| parent | 683be2f77b3ce4db09e1175c1de4ec7f26f803e6 (diff) | |
| download | gcc-19916065b7fb26bbb36f7bbe5688ae2c1661dec3.zip gcc-19916065b7fb26bbb36f7bbe5688ae2c1661dec3.tar.gz gcc-19916065b7fb26bbb36f7bbe5688ae2c1661dec3.tar.bz2 | |
Support LLVM style of no_sanitize attribute (PR sanitizer/85556).
2018-05-11 Martin Liska <mliska@suse.cz>
PR sanitizer/85556
* doc/extend.texi: Document LLVM style format for no_sanitize
attribute.
2018-05-11 Martin Liska <mliska@suse.cz>
PR sanitizer/85556
* c-attribs.c (handle_no_sanitize_attribute): Iterate all
TREE_LIST values.
2018-05-11 Martin Liska <mliska@suse.cz>
PR sanitizer/85556
* c-c++-common/ubsan/attrib-6.c: New test.
From-SVN: r260154
Diffstat (limited to 'gcc/c-family')
| -rw-r--r-- | gcc/c-family/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/c-family/c-attribs.c | 20 |
2 files changed, 18 insertions, 8 deletions
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog index 052b222..d2fba2f 100644 --- a/gcc/c-family/ChangeLog +++ b/gcc/c-family/ChangeLog @@ -1,3 +1,9 @@ +2018-05-11 Martin Liska <mliska@suse.cz> + + PR sanitizer/85556 + * c-attribs.c (handle_no_sanitize_attribute): Iterate all + TREE_LIST values. + 2018-05-10 Jakub Jelinek <jakub@redhat.com> PR c++/85662 diff --git a/gcc/c-family/c-attribs.c b/gcc/c-family/c-attribs.c index 9bddc1a..d302b4f 100644 --- a/gcc/c-family/c-attribs.c +++ b/gcc/c-family/c-attribs.c @@ -403,7 +403,7 @@ const struct attribute_spec c_common_attribute_table[] = 0, 0, true, false, false, false, handle_no_address_safety_analysis_attribute, NULL }, - { "no_sanitize", 1, 1, true, false, false, false, + { "no_sanitize", 1, -1, true, false, false, false, handle_no_sanitize_attribute, NULL }, { "no_sanitize_address", 0, 0, true, false, false, false, handle_no_sanitize_address_attribute, NULL }, @@ -683,22 +683,26 @@ static tree handle_no_sanitize_attribute (tree *node, tree name, tree args, int, bool *no_add_attrs) { + unsigned int flags = 0; *no_add_attrs = true; - tree id = TREE_VALUE (args); if (TREE_CODE (*node) != FUNCTION_DECL) { warning (OPT_Wattributes, "%qE attribute ignored", name); return NULL_TREE; } - if (TREE_CODE (id) != STRING_CST) + for (; args; args = TREE_CHAIN (args)) { - error ("no_sanitize argument not a string"); - return NULL_TREE; - } + tree id = TREE_VALUE (args); + if (TREE_CODE (id) != STRING_CST) + { + error ("no_sanitize argument not a string"); + return NULL_TREE; + } - char *string = ASTRDUP (TREE_STRING_POINTER (id)); - unsigned int flags = parse_no_sanitize_attribute (string); + char *string = ASTRDUP (TREE_STRING_POINTER (id)); + flags |= parse_no_sanitize_attribute (string); + } add_no_sanitize_value (*node, flags); |