diff -r 9d1c1b6af205 -r 708c0b301c7b patches/gcc/4.3.0/110-trampolinewarn.patch --- a/patches/gcc/4.3.0/110-trampolinewarn.patch Sun Jan 31 12:22:54 2010 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,35 +0,0 @@ -Original patch from gentoo: gentoo/src/patchsets/gcc/4.3.0/gentoo/00_all_gcc-trampolinewarn.patch - This trivial patch causes gcc to emit a warning whenever - it generates a trampoline. These are otherwise hard to - locate. It is rigged to default ON - to have it default - to OFF remove the text 'Init(1)' from the common.opt - patch, leaving just 'Common Var(warn_trampolines)'. - Kevin F. Quinn 17 Jan 2006 - -diff -durN gcc-4.3.0.orig/gcc/builtins.c gcc-4.3.0/gcc/builtins.c ---- gcc-4.3.0.orig/gcc/builtins.c 2008-02-20 18:27:21.000000000 +0100 -+++ gcc-4.3.0/gcc/builtins.c 2008-06-10 14:44:10.000000000 +0200 -@@ -5659,6 +5659,9 @@ - trampolines_created = 1; - INITIALIZE_TRAMPOLINE (r_tramp, r_func, r_chain); - -+ if (warn_trampolines) -+ warning (OPT_Wtrampolines, "generating trampoline in object (requires executable stack)"); -+ - return const0_rtx; - } - -diff -durN gcc-4.3.0.orig/gcc/common.opt gcc-4.3.0/gcc/common.opt ---- gcc-4.3.0.orig/gcc/common.opt 2008-01-22 15:11:44.000000000 +0100 -+++ gcc-4.3.0/gcc/common.opt 2008-06-10 14:44:10.000000000 +0200 -@@ -182,6 +182,10 @@ - Common Var(warn_system_headers) Warning - Do not suppress warnings from system headers - -+Wtrampolines -+Common Var(warn_trampolines) Init(1) -+Warn whenever a trampoline is generated -+ - Wuninitialized - Common Var(warn_uninitialized) Warning - Warn about uninitialized automatic variables