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| author | Martin Liska <mliska@suse.cz> | 2018-03-01 15:54:10 +0100 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2018-03-01 14:54:10 +0000 |
| commit | 99daa7a9eeffa553d3fd3b8dcf6dd721441921c6 (patch) | |
| tree | dd317f09ff0a6164957339e698237256ae9c677c | |
| parent | b476f5dd5d5aef9b150ad5d71dc46fd0b6207f73 (diff) | |
| download | gcc-99daa7a9eeffa553d3fd3b8dcf6dd721441921c6.zip gcc-99daa7a9eeffa553d3fd3b8dcf6dd721441921c6.tar.gz gcc-99daa7a9eeffa553d3fd3b8dcf6dd721441921c6.tar.bz2 | |
Do not handled volatile arguments (PR sanitizer/82484).
2018-03-01 Martin Liska <mliska@suse.cz>
PR sanitizer/82484
* sanopt.c (sanitize_rewrite_addressable_params): Do not handle
volatile arguments.
2018-03-01 Martin Liska <mliska@suse.cz>
PR sanitizer/82484
* gcc.dg/asan/pr82484.c: New test.
From-SVN: r258101
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/sanopt.c | 4 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/asan/pr82484.c | 5 |
4 files changed, 19 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8796943..ff97b4b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2018-03-01 Martin Liska <mliska@suse.cz> + + PR sanitizer/82484 + * sanopt.c (sanitize_rewrite_addressable_params): Do not handle + volatile arguments. + 2018-03-01 Richard Biener <rguenther@suse.de> PR debug/84645 diff --git a/gcc/sanopt.c b/gcc/sanopt.c index cd94638..4374313 100644 --- a/gcc/sanopt.c +++ b/gcc/sanopt.c @@ -1143,7 +1143,9 @@ sanitize_rewrite_addressable_params (function *fun) arg; arg = DECL_CHAIN (arg)) { tree type = TREE_TYPE (arg); - if (TREE_ADDRESSABLE (arg) && !TREE_ADDRESSABLE (type) + if (TREE_ADDRESSABLE (arg) + && !TREE_ADDRESSABLE (type) + && !TREE_THIS_VOLATILE (arg) && TREE_CODE (TYPE_SIZE (type)) == INTEGER_CST) { TREE_ADDRESSABLE (arg) = 0; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index a9e12be..d1acff6 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2018-03-01 Martin Liska <mliska@suse.cz> + + PR sanitizer/82484 + * gcc.dg/asan/pr82484.c: New test. + 2018-03-01 Richard Biener <rguenther@suse.de> PR debug/84645 diff --git a/gcc/testsuite/gcc.dg/asan/pr82484.c b/gcc/testsuite/gcc.dg/asan/pr82484.c new file mode 100644 index 0000000..f8051bd --- /dev/null +++ b/gcc/testsuite/gcc.dg/asan/pr82484.c @@ -0,0 +1,5 @@ +/* PR sanitizer/82484 */ +/* { dg-do compile } */ + +void foo(volatile int *ptr); +void a (volatile int b) { foo(&b); } |