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| author | Martin Liska <mliska@suse.cz> | 2016-11-30 10:26:51 +0100 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2016-11-30 09:26:51 +0000 |
| commit | fb61d96cf20d5bb6db8fd72ef7b528804e9f6be4 (patch) | |
| tree | dbeaebeaf71880f943227264b45ccfab26cf47de /gcc/asan.c | |
| parent | e03fb6ec681070048ecc0f1f2d2a299dc3d3db1a (diff) | |
| download | gcc-fb61d96cf20d5bb6db8fd72ef7b528804e9f6be4.zip gcc-fb61d96cf20d5bb6db8fd72ef7b528804e9f6be4.tar.gz gcc-fb61d96cf20d5bb6db8fd72ef7b528804e9f6be4.tar.bz2 | |
Support nested functions (PR sanitizer/78541).
PR sanitizer/78541
* gcc.dg/asan/pr78541-2.c: New test.
* gcc.dg/asan/pr78541.c: New test.
PR sanitizer/78541
* asan.c (asan_expand_mark_ifn): Properly
select a VAR_DECL from FRAME.* component reference.
From-SVN: r243003
Diffstat (limited to 'gcc/asan.c')
| -rw-r--r-- | gcc/asan.c | 6 |
1 files changed, 6 insertions, 0 deletions
@@ -2713,6 +2713,12 @@ asan_expand_mark_ifn (gimple_stmt_iterator *iter) tree base = gimple_call_arg (g, 1); gcc_checking_assert (TREE_CODE (base) == ADDR_EXPR); tree decl = TREE_OPERAND (base, 0); + + /* For a nested function, we can have: ASAN_MARK (2, &FRAME.2.fp_input, 4) */ + if (TREE_CODE (decl) == COMPONENT_REF + && DECL_NONLOCAL_FRAME (TREE_OPERAND (decl, 0))) + decl = TREE_OPERAND (decl, 0); + gcc_checking_assert (TREE_CODE (decl) == VAR_DECL); if (asan_handled_variables == NULL) asan_handled_variables = new hash_set<tree> (16); |