summaryrefslogtreecommitdiff
path: root/patches/gcc/4.3.5/110-trampolinewarn.patch
diff options
context:
space:
mode:
Diffstat (limited to 'patches/gcc/4.3.5/110-trampolinewarn.patch')
-rw-r--r--patches/gcc/4.3.5/110-trampolinewarn.patch40
1 files changed, 40 insertions, 0 deletions
diff --git a/patches/gcc/4.3.5/110-trampolinewarn.patch b/patches/gcc/4.3.5/110-trampolinewarn.patch
new file mode 100644
index 0000000..43ab217
--- /dev/null
+++ b/patches/gcc/4.3.5/110-trampolinewarn.patch
@@ -0,0 +1,40 @@
+Original patch from: ../4.3.2/110-trampolinewarn.patch
+
+-= BEGIN original header =-
+Original patch from gentoo: gentoo/src/patchsets/gcc/4.3.1/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 <kevquinn@gentoo.org> 17 Jan 2006
+
+-= END original header =-
+
+diff -durN gcc-4.3.3.orig/gcc/builtins.c gcc-4.3.3/gcc/builtins.c
+--- gcc-4.3.3.orig/gcc/builtins.c 2008-08-19 18:37:13.000000000 +0200
++++ gcc-4.3.3/gcc/builtins.c 2009-01-27 22:19:12.000000000 +0100
+@@ -5662,6 +5662,9 @@
+ 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-4.3.3.orig/gcc/common.opt gcc-4.3.3/gcc/common.opt
+--- gcc-4.3.3.orig/gcc/common.opt 2008-01-22 15:11:44.000000000 +0100
++++ gcc-4.3.3/gcc/common.opt 2009-01-27 22:19:12.000000000 +0100
+@@ -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