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patches/glibc/2.9/160-i386-x86_64-revert-clone-cfi.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
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/src/patchsets/glibc/2.9/0070_all_glibc-i386-x86_64-revert-clone-cfi.patch

     2 

     3 -= BEGIN original header =-

     4 revert cfi additions to clone on i386/x86_64 to workaround problems in

     5 gcc's unwinder code.  this is not a bug in glibc, it triggers problems

     6 elsewhere.  this cfi code does not gain us a whole lot anyways.

     7 

     8 http://gcc.gnu.org/ml/gcc/2006-12/msg00293.html

     9 

    10 -= END original header =-

    11 

    12 diff -durN glibc-2_9.orig/sysdeps/unix/sysv/linux/i386/clone.S glibc-2_9/sysdeps/unix/sysv/linux/i386/clone.S

    13 --- glibc-2_9.orig/sysdeps/unix/sysv/linux/i386/clone.S	2006-12-04 00:12:36.000000000 +0100

    14 +++ glibc-2_9/sysdeps/unix/sysv/linux/i386/clone.S	2009-02-02 22:00:45.000000000 +0100

    15 @@ -120,9 +120,6 @@

    16  	ret

    17  

    18  L(thread_start):

    19 -	cfi_startproc;

    20 -	/* Clearing frame pointer is insufficient, use CFI.  */

    21 -	cfi_undefined (eip);

    22  	/* Note: %esi is zero.  */

    23  	movl	%esi,%ebp	/* terminate the stack frame */

    24  #ifdef RESET_PID

    25 @@ -155,7 +152,6 @@

    26  	jmp	L(haspid)

    27  	.previous

    28  #endif

    29 -	cfi_endproc;

    30  

    31  	cfi_startproc

    32  PSEUDO_END (BP_SYM (__clone))

    33 diff -durN glibc-2_9.orig/sysdeps/unix/sysv/linux/x86_64/clone.S glibc-2_9/sysdeps/unix/sysv/linux/x86_64/clone.S

    34 --- glibc-2_9.orig/sysdeps/unix/sysv/linux/x86_64/clone.S	2006-12-04 00:12:36.000000000 +0100

    35 +++ glibc-2_9/sysdeps/unix/sysv/linux/x86_64/clone.S	2009-02-02 22:00:45.000000000 +0100

    36 @@ -89,9 +89,6 @@

    37  	ret

    38  

    39  L(thread_start):

    40 -	cfi_startproc;

    41 -	/* Clearing frame pointer is insufficient, use CFI.  */

    42 -	cfi_undefined (rip);

    43  	/* Clear the frame pointer.  The ABI suggests this be done, to mark

    44  	   the outermost frame obviously.  */

    45  	xorl	%ebp, %ebp

    46 @@ -116,7 +113,6 @@

    47  	/* Call exit with return value from function call. */

    48  	movq	%rax, %rdi

    49  	call	HIDDEN_JUMPTARGET (_exit)

    50 -	cfi_endproc;

    51  

    52  	cfi_startproc;

    53  PSEUDO_END (BP_SYM (__clone))
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