| author | Johannes Stezenbach <js@sig21.net> |
| Tue Oct 30 00:36:20 2012 +0000 (2012-10-30) | |
| changeset 3096 | d1766c2273d1 |
| parent 2149 | 98b7806295cc |
| permissions | -rw-r--r-- |
| yann@2149 | 1 |
diff -durN gcc-4.4.5.orig/gcc/builtins.c gcc-4.4.5/gcc/builtins.c |
| yann@2149 | 2 |
--- gcc-4.4.5.orig/gcc/builtins.c 2010-03-22 16:00:20.000000000 +0100 |
| yann@2149 | 3 |
+++ gcc-4.4.5/gcc/builtins.c 2010-10-09 22:57:58.000000000 +0200 |
| yann@2149 | 4 |
@@ -5783,6 +5783,9 @@ |
| yann@2149 | 5 |
trampolines_created = 1; |
| yann@2149 | 6 |
INITIALIZE_TRAMPOLINE (r_tramp, r_func, r_chain); |
| yann@2149 | 7 |
|
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+ if (warn_trampolines) |
| yann@2149 | 9 |
+ warning (OPT_Wtrampolines, "generating trampoline in object (requires executable stack)"); |
| yann@2149 | 10 |
+ |
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return const0_rtx; |
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} |
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|
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diff -durN gcc-4.4.5.orig/gcc/common.opt gcc-4.4.5/gcc/common.opt |
| yann@2149 | 15 |
--- gcc-4.4.5.orig/gcc/common.opt 2009-03-28 18:28:45.000000000 +0100 |
| yann@2149 | 16 |
+++ gcc-4.4.5/gcc/common.opt 2010-10-09 22:57:58.000000000 +0200 |
| yann@2149 | 17 |
@@ -197,6 +197,10 @@ |
| yann@2149 | 18 |
Common Var(warn_type_limits) Init(-1) Warning |
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Warn if a comparison is always true or always false due to the limited range of the data type |
| yann@2149 | 20 |
|
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+Wtrampolines |
| yann@2149 | 22 |
+Common Var(warn_trampolines) Init(1) |
| yann@2149 | 23 |
+Warn whenever a trampoline is generated |
| yann@2149 | 24 |
+ |
| yann@2149 | 25 |
Wuninitialized |
| yann@2149 | 26 |
Common Var(warn_uninitialized) Warning |
| yann@2149 | 27 |
Warn about uninitialized automatic variables |