patches/gcc/4.4.1/110-trampolinewarn.patch
author "Yann E. MORIN" <yann.morin.1998@free.fr>
Mon Jul 23 22:02:23 2012 +0200 (2012-07-23)
changeset 3012 95173b196a88
parent 1393 b432bd628b10
permissions -rw-r--r--
scripts+samples: fix listings the samples

Since we use defconfigs to save the samples, listing all the
samples can no longer be done by passing all the sample names
at one to the script; we need to pass them one-by-one after
we expand the sample's defconfig ibnto a complete .config.

Reported-by: Bryan Hundven <bryanhundven@gmail.com>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
     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);
     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-4.4.0.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
    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