patches/gcc/4.4.4/110-trampolinewarn.patch
author "Benoît Thébaudeau" <benoit.thebaudeau@advansee.com>
Tue Feb 05 12:29:52 2013 +0100 (2013-02-05)
changeset 3183 4e8bfe85da61
parent 1948 d341be24dc68
permissions -rw-r--r--
samples: add arm-cortexa9_neon-linux-gnueabihf

Signed-off-by: "Benoît Thébaudeau" <benoit.thebaudeau@advansee.com>
[yann.morin.1998@free.fr: make it a defconfig with pinned versions]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Message-Id: <bdf1fde968aee8d0cd95.1360063830@advdt005-ubuntu>
Patchwork-Id: 218239
     1 diff -durN gcc-4.4.4.orig/gcc/builtins.c gcc-4.4.4/gcc/builtins.c
     2 --- gcc-4.4.4.orig/gcc/builtins.c	2010-03-22 16:00:20.000000000 +0100
     3 +++ gcc-4.4.4/gcc/builtins.c	2010-05-16 19:10:34.000000000 +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-4.4.4.orig/gcc/common.opt gcc-4.4.4/gcc/common.opt
    15 --- gcc-4.4.4.orig/gcc/common.opt	2009-03-28 18:28:45.000000000 +0100
    16 +++ gcc-4.4.4/gcc/common.opt	2010-05-16 19:10:34.000000000 +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