author | Zhenqiang Chen <zhenqiang.chen@linaro.org> |
Fri Nov 18 16:22:52 2011 +0800 (2011-11-18) | |
changeset 2856 | 7723b8457efa |
parent 1611 | e2516bba8fe5 |
permissions | -rw-r--r-- |
1 diff -durN gcc-4.4.0.orig/gcc/builtins.c gcc-4.4.0/gcc/builtins.c
2 --- gcc-4.4.0.orig/gcc/builtins.c 2009-03-30 19:42:27.000000000 +0200
3 +++ gcc-4.4.0/gcc/builtins.c 2009-05-27 21:38:01.000000000 +0200
4 @@ -5768,6 +5768,9 @@
5 trampolines_created = 1;
6 INITIALIZE_TRAMPOLINE (r_tramp, r_func, r_chain);
8 + if (warn_trampolines)
9 + warning (OPT_Wtrampolines, "generating trampoline in object (requires executable stack)");
10 +
11 return const0_rtx;
12 }
14 diff -durN gcc-4.4.0.orig/gcc/common.opt gcc-4.4.0/gcc/common.opt
15 --- gcc-4.4.0.orig/gcc/common.opt 2009-03-28 18:28:45.000000000 +0100
16 +++ gcc-4.4.0/gcc/common.opt 2009-05-27 21:38:01.000000000 +0200
17 @@ -197,6 +197,10 @@
18 Common Var(warn_type_limits) Init(-1) Warning
19 Warn if a comparison is always true or always false due to the limited range of the data type
21 +Wtrampolines
22 +Common Var(warn_trampolines) Init(1)
23 +Warn whenever a trampoline is generated
24 +
25 Wuninitialized
26 Common Var(warn_uninitialized) Warning
27 Warn about uninitialized automatic variables