1 Original patch from: ../4.3.2/110-trampolinewarn.patch
3 -= BEGIN original header =-
4 Original patch from gentoo: gentoo/src/patchsets/gcc/4.3.1/gentoo/00_all_gcc-trampolinewarn.patch
5 This trivial patch causes gcc to emit a warning whenever
6 it generates a trampoline. These are otherwise hard to
7 locate. It is rigged to default ON - to have it default
8 to OFF remove the text 'Init(1)' from the common.opt
9 patch, leaving just 'Common Var(warn_trampolines)'.
10 Kevin F. Quinn <kevquinn@gentoo.org> 17 Jan 2006
12 -= END original header =-
14 diff -durN gcc-4.3.3.orig/gcc/builtins.c gcc-4.3.3/gcc/builtins.c
15 --- gcc-4.3.3.orig/gcc/builtins.c 2008-08-19 18:37:13.000000000 +0200
16 +++ gcc-4.3.3/gcc/builtins.c 2009-01-27 22:19:12.000000000 +0100
18 trampolines_created = 1;
19 INITIALIZE_TRAMPOLINE (r_tramp, r_func, r_chain);
21 + if (warn_trampolines)
22 + warning (OPT_Wtrampolines, "generating trampoline in object (requires executable stack)");
27 diff -durN gcc-4.3.3.orig/gcc/common.opt gcc-4.3.3/gcc/common.opt
28 --- gcc-4.3.3.orig/gcc/common.opt 2008-01-22 15:11:44.000000000 +0100
29 +++ gcc-4.3.3/gcc/common.opt 2009-01-27 22:19:12.000000000 +0100
31 Common Var(warn_system_headers) Warning
32 Do not suppress warnings from system headers
35 +Common Var(warn_trampolines) Init(1)
36 +Warn whenever a trampoline is generated
39 Common Var(warn_uninitialized) Warning
40 Warn about uninitialized automatic variables