patches/gcc/4.4.6/110-trampolinewarn.patch
author Florian Fainelli <f.fainelli@gmail.com>
Wed Sep 19 10:43:04 2012 +0200 (2012-09-19)
changeset 3052 06b663f297ad
parent 2149 98b7806295cc
permissions -rw-r--r--
libc/eglibc: backport OpenEmbedded patches for eglibc 2.16

With this 3 patches, I was able to build and run an eglibc-based system
on MIPS(el) and ARM targets.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
     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