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| author | Martin Sebor <msebor@redhat.com> | 2015-08-02 23:14:18 +0000 |
|---|---|---|
| committer | Martin Sebor <msebor@gcc.gnu.org> | 2015-08-02 17:14:18 -0600 |
| commit | 8423e57caae976cddbc1f9f68ebf6fef595cae83 (patch) | |
| tree | 97746f9a2a68398bc9ae1064c1bc4e81ce8b48ef /gcc/c-family/c.opt | |
| parent | 8ebca419e837774146ef77574580456107d7315b (diff) | |
| download | gcc-8423e57caae976cddbc1f9f68ebf6fef595cae83.zip gcc-8423e57caae976cddbc1f9f68ebf6fef595cae83.tar.gz gcc-8423e57caae976cddbc1f9f68ebf6fef595cae83.tar.bz2 | |
c.opt (-Wframe-address): New warning option.
gcc/ChangeLog
2015-07-28 Martin Sebor <msebor@redhat.com>
* c-family/c.opt (-Wframe-address): New warning option.
* doc/invoke.texi (Wframe-address): Document it.
* doc/extend.texi (__builtin_frame_address, __builtin_return_address):
Clarify possible effects of calling the functions with non-zero
arguments and mention -Wframe-address.
* builtins.c (expand_builtin_frame_address): Handle -Wframe-address.
gcc/testsuite/ChangeLog
2015-07-28 Martin Sebor <msebor@redhat.com>
* g++.dg/Wframe-address-in-Wall.C: New test.
* g++.dg/Wframe-address.C: New test.
* g++.dg/Wno-frame-address.C: New test.
* gcc.dg/Wframe-address-in-Wall.c: New test.
* gcc.dg/Wframe-address.c: New test.
* gcc.dg/Wno-frame-address.c: New test.
From-SVN: r226480
Diffstat (limited to 'gcc/c-family/c.opt')
| -rw-r--r-- | gcc/c-family/c.opt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/c-family/c.opt b/gcc/c-family/c.opt index cb3af48..4679038 100644 --- a/gcc/c-family/c.opt +++ b/gcc/c-family/c.opt @@ -295,6 +295,10 @@ Wbool-compare C ObjC C++ ObjC++ Var(warn_bool_compare) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) Warn about boolean expression compared with an integer value different from true/false +Wframe-address +C ObjC C++ ObjC++ Var(warn_frame_address) Warning LangEnabledBy(C ObjC C++ ObjC++,Wall) +Warn when __builtin_frame_address or __builtin_return_address is used unsafely + Wbuiltin-macro-redefined C ObjC C++ ObjC++ CPP(warn_builtin_macro_redefined) CppReason(CPP_W_BUILTIN_MACRO_REDEFINED) Var(cpp_warn_builtin_macro_redefined) Init(1) Warning Warn when a built-in preprocessor macro is undefined or redefined |