patches/gcc/4.4.5/110-trampolinewarn.patch
author Ray Donnelly <mingw.android@gmail.com>
Thu Feb 20 18:23:08 2014 +0000 (2014-02-20)
changeset 3292 9321d9d7af9b
permissions -rw-r--r--
If GNU make 3.81 is not found then build it as a companion tool.

Signed-off-by: Ray Donnelly <mingw.android@gmail.com>
[yann.morin.1998@free.fr: add message "checking for make 3.81"]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Message-Id: <8b8bf6998f3d239f6c74.1392920971@advancedsearch.virginmedia.com>
Patchwork-Id: 322302
     1 diff -durN gcc-4.4.5.orig/gcc/builtins.c gcc-4.4.5/gcc/builtins.c
     2 --- gcc-4.4.5.orig/gcc/builtins.c	2010-03-22 16:00:20.000000000 +0100
     3 +++ gcc-4.4.5/gcc/builtins.c	2010-10-09 22:57:58.000000000 +0200
     4 @@ -5783,6 +5783,9 @@
     5    trampolines_created = 1;
     6    INITIALIZE_TRAMPOLINE (r_tramp, r_func, r_chain);
     7  
     8 +  if (warn_trampolines)
     9 +    warning (OPT_Wtrampolines, "generating trampoline in object (requires executable stack)");
    10 +
    11    return const0_rtx;
    12  }
    13  
    14 diff -durN gcc-4.4.5.orig/gcc/common.opt gcc-4.4.5/gcc/common.opt
    15 --- gcc-4.4.5.orig/gcc/common.opt	2009-03-28 18:28:45.000000000 +0100
    16 +++ gcc-4.4.5/gcc/common.opt	2010-10-09 22:57:58.000000000 +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
    20  
    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