diff -r 4edbcdb17e3d -r b150d6f590fc patches/gcc/4.3.0/125-trampolinewarn.patch --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/patches/gcc/4.3.0/125-trampolinewarn.patch Mon Jul 28 21:08:01 2008 +0000 @@ -0,0 +1,35 @@ +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