From d206a0728f6c2bbfc467a39b40ad77f6ab16f4c8 Mon Sep 17 00:00:00 2001
From: wilson <wilson@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Sat, 13 Aug 2005 20:58:02 +0000
Subject: [PATCH] Document compatibility with earlier ProPolice implementation.
* c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect macros.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@103058 138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/ChangeLog | 3 +++
gcc/c-cppbuiltin.c | 4 +++-
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f6243ce294cc..77a51c62778f 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 44c7a3797ddb..9020e0b49f94 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)
--
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