diff options
| -rw-r--r-- | gcc/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/c-cppbuiltin.c | 4 |
2 files changed, 6 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f6243ce..77a51c6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -6,6 +6,9 @@ (-Wvariadic-macros): Alphabetize. (-fsched-stalled-insns-dep): Add missing 'f'. + * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect + macros. + 2005-08-13 David Edelsohn <edelsohn@gnu.org> * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed diff --git a/gcc/c-cppbuiltin.c b/gcc/c-cppbuiltin.c index 44c7a37..9020e0b 100644 --- a/gcc/c-cppbuiltin.c +++ b/gcc/c-cppbuiltin.c @@ -440,7 +440,9 @@ c_cpp_builtins (cpp_reader *pfile) if (targetm.handle_pragma_extern_prefix) cpp_define (pfile, "__PRAGMA_EXTERN_PREFIX"); - /* Make the choice of the stack protector runtime visible to source code. */ + /* Make the choice of the stack protector runtime visible to source code. + The macro names and values here were chosen for compatibility with an + earlier implementation, i.e. ProPolice. */ if (flag_stack_protect == 2) cpp_define (pfile, "__SSP_ALL__=2"); else if (flag_stack_protect == 1) |