From: James E Wilson <wilson@specifixinc.com>
Date: Sat, 13 Aug 2005 20:58:02 +0000 (-0700)
Subject: Document compatibility with earlier ProPolice implementation.
X-Git-Tag: misc/cutover-cvs2svn~1206
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=0ffb94cd681982d04226863a123d06cf4bdefab4;p=thirdparty%2Fgcc.git

Document compatibility with earlier ProPolice implementation.

* c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
macros.

From-SVN: r103058
---

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)