patches/gcc/4.4.3/110-trampolinewarn.patch
author "Benoît THÉBAUDEAU" <benoit.thebaudeau@advansee.com>
Thu Aug 18 16:05:48 2011 +0200 (2011-08-18)
changeset 2612 a52574521bea
parent 1611 e2516bba8fe5
permissions -rw-r--r--
debug/gdb: update GDB revisions

Update GDB with the latest available revisions.

Signed-off-by: "Benoît THÉBAUDEAU" <benoit.thebaudeau@advansee.com>
yann@1393
     1
diff -durN gcc-4.4.0.orig/gcc/builtins.c gcc-4.4.0/gcc/builtins.c
yann@1393
     2
--- gcc-4.4.0.orig/gcc/builtins.c	2009-03-30 19:42:27.000000000 +0200
yann@1393
     3
+++ gcc-4.4.0/gcc/builtins.c	2009-05-27 21:38:01.000000000 +0200
yann@1393
     4
@@ -5768,6 +5768,9 @@
yann@1393
     5
   trampolines_created = 1;
yann@1393
     6
   INITIALIZE_TRAMPOLINE (r_tramp, r_func, r_chain);
yann@1393
     7
 
yann@1393
     8
+  if (warn_trampolines)
yann@1393
     9
+    warning (OPT_Wtrampolines, "generating trampoline in object (requires executable stack)");
yann@1393
    10
+
yann@1393
    11
   return const0_rtx;
yann@1393
    12
 }
yann@1393
    13
 
yann@1393
    14
diff -durN gcc-4.4.0.orig/gcc/common.opt gcc-4.4.0/gcc/common.opt
yann@1393
    15
--- gcc-4.4.0.orig/gcc/common.opt	2009-03-28 18:28:45.000000000 +0100
yann@1393
    16
+++ gcc-4.4.0/gcc/common.opt	2009-05-27 21:38:01.000000000 +0200
yann@1393
    17
@@ -197,6 +197,10 @@
yann@1393
    18
 Common Var(warn_type_limits) Init(-1) Warning
yann@1393
    19
 Warn if a comparison is always true or always false due to the limited range of the data type
yann@1393
    20
 
yann@1393
    21
+Wtrampolines
yann@1393
    22
+Common Var(warn_trampolines) Init(1)
yann@1393
    23
+Warn whenever a trampoline is generated
yann@1393
    24
+
yann@1393
    25
 Wuninitialized
yann@1393
    26
 Common Var(warn_uninitialized) Warning
yann@1393
    27
 Warn about uninitialized automatic variables