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patches/gcc/4.4.6/250-ia64-noteGNUstack.patch
author "Benoît THÉBAUDEAU" <benoit.thebaudeau@advansee.com>
Wed Jun 08 15:47:43 2011 +0200 (2011-06-08)
changeset 2508 9e2761e59a75
parent 2149 98b7806295cc
permissions -rw-r--r--
debug/cross-gdb: check host dependencies

Cross-gdb depends on expat and python. If either is missing, cross-gdb will
build successfully, but lacking some features.

Especially, if expat is missing, cross-gdb will be unable to parse the target
description, which may lead to runtime malfunctions and the following GDB
warning:
"Can not parse XML target description; XML support was disabled at compile time"

Hence, expat should be considered mandatory.

On the other hand, the features missing without python are not critical, so
python should not be considered mandatory.

This patch does the following:
- At configure time, warn the user if either expat or python is missing.
- In menuconfig, disable the static build options regarding cross-gdb if no
static version of expat is available, and disable cross-gdb if expat is
missing.

Signed-off-by: "Benoît THÉBAUDEAU" <benoit.thebaudeau@advansee.com>
[yann.morin.1998@anciens.enib.fr: add comment for impossible static cross-gdb]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> 
     1 diff -durN gcc-4.4.5.orig/gcc/config/ia64/crtbegin.asm gcc-4.4.5/gcc/config/ia64/crtbegin.asm

     2 --- gcc-4.4.5.orig/gcc/config/ia64/crtbegin.asm	2009-04-10 01:23:07.000000000 +0200

     3 +++ gcc-4.4.5/gcc/config/ia64/crtbegin.asm	2010-10-09 23:03:55.000000000 +0200

     4 @@ -252,3 +252,7 @@

     5  .weak __cxa_finalize

     6  #endif

     7  .weak _Jv_RegisterClasses

     8 +

     9 +#ifdef __linux__

    10 +.section .note.GNU-stack; .previous

    11 +#endif

    12 diff -durN gcc-4.4.5.orig/gcc/config/ia64/crtend.asm gcc-4.4.5/gcc/config/ia64/crtend.asm

    13 --- gcc-4.4.5.orig/gcc/config/ia64/crtend.asm	2009-04-10 01:23:07.000000000 +0200

    14 +++ gcc-4.4.5/gcc/config/ia64/crtend.asm	2010-10-09 23:03:55.000000000 +0200

    15 @@ -119,3 +119,7 @@

    16  

    17  	br.ret.sptk.many rp

    18  	.endp __do_global_ctors_aux

    19 +

    20 +#ifdef __linux__

    21 +.section .note.GNU-stack; .previous

    22 +#endif

    23 diff -durN gcc-4.4.5.orig/gcc/config/ia64/crti.asm gcc-4.4.5/gcc/config/ia64/crti.asm

    24 --- gcc-4.4.5.orig/gcc/config/ia64/crti.asm	2009-04-10 01:23:07.000000000 +0200

    25 +++ gcc-4.4.5/gcc/config/ia64/crti.asm	2010-10-09 23:03:55.000000000 +0200

    26 @@ -51,3 +51,7 @@

    27  	.body

    28  

    29  # end of crti.asm

    30 +

    31 +#ifdef __linux__

    32 +.section .note.GNU-stack; .previous

    33 +#endif

    34 diff -durN gcc-4.4.5.orig/gcc/config/ia64/crtn.asm gcc-4.4.5/gcc/config/ia64/crtn.asm

    35 --- gcc-4.4.5.orig/gcc/config/ia64/crtn.asm	2009-04-10 01:23:07.000000000 +0200

    36 +++ gcc-4.4.5/gcc/config/ia64/crtn.asm	2010-10-09 23:03:55.000000000 +0200

    37 @@ -41,3 +41,7 @@

    38  	br.ret.sptk.many b0

    39  

    40  # end of crtn.asm

    41 +

    42 +#ifdef __linux__

    43 +.section .note.GNU-stack; .previous

    44 +#endif

    45 diff -durN gcc-4.4.5.orig/gcc/config/ia64/lib1funcs.asm gcc-4.4.5/gcc/config/ia64/lib1funcs.asm

    46 --- gcc-4.4.5.orig/gcc/config/ia64/lib1funcs.asm	2009-04-10 01:23:07.000000000 +0200

    47 +++ gcc-4.4.5/gcc/config/ia64/lib1funcs.asm	2010-10-09 23:03:55.000000000 +0200

    48 @@ -793,3 +793,7 @@

    49  	.endp __floattitf

    50  #endif

    51  #endif

    52 +

    53 +#ifdef __linux__

    54 +.section .note.GNU-stack; .previous

    55 +#endif

    56 diff -durN gcc-4.4.5.orig/gcc/config/ia64/linux.h gcc-4.4.5/gcc/config/ia64/linux.h

    57 --- gcc-4.4.5.orig/gcc/config/ia64/linux.h	2009-02-12 17:30:53.000000000 +0100

    58 +++ gcc-4.4.5/gcc/config/ia64/linux.h	2010-10-09 23:03:55.000000000 +0200

    59 @@ -5,6 +5,8 @@

    60  

    61  #define TARGET_VERSION fprintf (stderr, " (IA-64) Linux");

    62  

    63 +#define TARGET_ASM_FILE_END file_end_indicate_exec_stack

    64 +

    65  /* This is for -profile to use -lc_p instead of -lc.  */

    66  #undef CC1_SPEC

    67  #define CC1_SPEC "%{profile:-p} %{G*}"

    68 diff -durN gcc-4.4.5.orig/gcc/config/rs6000/ppc-asm.h gcc-4.4.5/gcc/config/rs6000/ppc-asm.h

    69 --- gcc-4.4.5.orig/gcc/config/rs6000/ppc-asm.h	2008-10-13 17:44:26.000000000 +0200

    70 +++ gcc-4.4.5/gcc/config/rs6000/ppc-asm.h	2010-10-09 23:03:55.000000000 +0200

    71 @@ -172,7 +172,7 @@

    72  	.size FUNC_NAME(name),GLUE(.L,name)-FUNC_NAME(name)

    73  #endif

    74  

    75 -#if defined __linux__ && !defined __powerpc64__

    76 +#if defined __linux__

    77  	.section .note.GNU-stack

    78  	.previous

    79  #endif
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