patches/gcc/4.3.1/110-trampolinewarn.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sun May 03 09:50:16 2009 +0000 (2009-05-03)
branchnewlib
changeset 1366 5e5d1e6f55d3
parent 746 b150d6f590fc
permissions -rw-r--r--
Update the newlib devel branch with stuff from /trunk@1498.

-------- diffstat follows --------
/devel/newlib/configure | 336 176 160 0 +++++++------
/devel/newlib/Makefile.in | 12 3 9 0 -
/devel/newlib/scripts/build/kernel/linux.sh | 2 1 1 0
/devel/newlib/scripts/build/internals.sh | 1 0 1 0 -
/devel/newlib/scripts/build/libc/eglibc.sh | 1 0 1 0 -
/devel/newlib/scripts/build/mpfr.sh | 2 1 1 0
/devel/newlib/scripts/functions | 111 5 106 0 ----
/devel/newlib/scripts/config.guess | 7 5 2 0 +
/devel/newlib/scripts/config.sub | 3 2 1 0 +
/devel/newlib/scripts/saveSample.sh.in | 4 2 2 0
/devel/newlib/docs/overview.txt | 8 6 2 0 +
/devel/newlib/samples/armeb-unknown-linux-uclibc/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/sh4-unknown-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/x86_64-unknown-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/arm-unknown-elf/crosstool.config | 12 3 9 0 -
/devel/newlib/samples/armeb-unknown-eabi/crosstool.config | 2 0 2 0 -
/devel/newlib/samples/arm-unknown-linux-gnueabi/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/ia64-unknown-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/x86_64-unknown-linux-uclibc/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/armeb-unknown-linux-gnueabi/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/powerpc-e500v2-linux-gnuspe/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/i686-nptl-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/arm-unknown-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/powerpc-unknown-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/mips-unknown-linux-uclibc/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/arm-unknown-linux-uclibcgnueabi/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/arm-iphone-linux-gnueabi/crosstool.config | 8 4 4 0
/devel/newlib/samples/armeb-unknown-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/powerpc-unknown_nofpu-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/i586-geode-linux-uclibc/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/arm-unknown-linux-uclibc/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/powerpc-unknown-linux-uclibc/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/mips-unknown-elf/crosstool.config | 2 0 2 0 -
/devel/newlib/samples/powerpc-405-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/armeb-unknown-linux-uclibcgnueabi/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/arm-unknown-eabi/crosstool.config | 12 3 9 0 -
/devel/newlib/samples/mipsel-unknown-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/powerpc64-unknown-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/alphaev56-unknown-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/samples/powerpc-860-linux-gnu/crosstool.config | 14 5 9 0 -
/devel/newlib/config/kernel/linux.in | 108 2 106 0 ----
/devel/newlib/config/global/ct-behave.in | 22 13 9 0 +
/devel/newlib/config/global/download.in | 210 15 195 0 +-------
/devel/newlib/config/libc/glibc.in | 7 7 0 0 +
/devel/newlib/config/libc/glibc-eglibc.in-common | 15 14 1 0 +
45 files changed, 382 insertions(+), 839 deletions(-)
     1 Original patch from gentoo: gentoo/src/patchsets/gcc/4.3.1/gentoo/00_all_gcc-trampolinewarn.patch
     2 	This trivial patch causes gcc to emit a warning whenever
     3 	it generates a trampoline.  These are otherwise hard to
     4 	locate.  It is rigged to default ON - to have it default
     5 	to OFF remove the text 'Init(1)' from the common.opt
     6 	patch, leaving just 'Common Var(warn_trampolines)'.
     7 	Kevin F. Quinn <kevquinn@gentoo.org> 17 Jan 2006
     8 
     9 diff -durN gcc-4.3.1.orig/gcc/builtins.c gcc-4.3.1/gcc/builtins.c
    10 --- gcc-4.3.1.orig/gcc/builtins.c	2008-04-23 00:36:27.000000000 +0200
    11 +++ gcc-4.3.1/gcc/builtins.c	2008-06-10 14:56:54.000000000 +0200
    12 @@ -5662,6 +5662,9 @@
    13    trampolines_created = 1;
    14    INITIALIZE_TRAMPOLINE (r_tramp, r_func, r_chain);
    15  
    16 +  if (warn_trampolines)
    17 +    warning (OPT_Wtrampolines, "generating trampoline in object (requires executable stack)");
    18 +
    19    return const0_rtx;
    20  }
    21  
    22 diff -durN gcc-4.3.1.orig/gcc/common.opt gcc-4.3.1/gcc/common.opt
    23 --- gcc-4.3.1.orig/gcc/common.opt	2008-01-22 15:11:44.000000000 +0100
    24 +++ gcc-4.3.1/gcc/common.opt	2008-06-10 14:56:54.000000000 +0200
    25 @@ -182,6 +182,10 @@
    26  Common Var(warn_system_headers) Warning
    27  Do not suppress warnings from system headers
    28  
    29 +Wtrampolines
    30 +Common Var(warn_trampolines) Init(1)
    31 +Warn whenever a trampoline is generated
    32 +
    33  Wuninitialized
    34  Common Var(warn_uninitialized) Warning
    35  Warn about uninitialized automatic variables