patches/glibc/2.6.1/130-i686-assembler.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Thu Jul 31 09:08:33 2008 +0000 (2008-07-31)
changeset 752 b037a5643e04
parent 744 4bf8448536d5
permissions -rw-r--r--
Have the glibc build use the cross-objdump, rather than the host one.
On some distros (eg. Fedora), the native objdump can not interpret objects not for the native system, and thus fail.
This commit adds a new patch against glibc-2.7 that introduces OBJDUMP_FOR_HOST, wich, if set, overides the detected objdump.

Note: bizarely enough, glibc already has code to detect the cross-objdump, but that does not work for an unknown reason... :-(

/trunk/patches/glibc/2.7/220-objdump_for_host.patch | 13 13 0 0 +++++++++
/trunk/scripts/build/libc_glibc.sh | 37 21 16 0 +++++++++++++++------------
2 files changed, 34 insertions(+), 16 deletions(-)
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2007-02-15  Khem Raj  <kraj@xxxxxxxxxx>
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       * sysdeps/unix/sysv/linux/i386/sysdep.h: Re-define __i686.
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       * nptl/sysdeps/pthread/pt-initfini.c: Ditto.
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Index: glibc-2.4/sysdeps/unix/sysv/linux/i386/sysdep.h
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===================================================================
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--- glibc-2.4/sysdeps/unix/sysv/linux/i386/sysdep.h	(revision 1469)
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+++ glibc-2.4/sysdeps/unix/sysv/linux/i386/sysdep.h	(working copy)
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@@ -29,6 +29,10 @@
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 #include <dl-sysdep.h>
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 #include <tls.h>
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+#if defined __i686 && defined __ASSEMBLER__
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+#undef __i686
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+#define __i686 __i686
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+#endif
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 /* For Linux we can use the system call table in the header file
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 	/usr/include/asm/unistd.h
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Index: glibc-2.4/nptl/sysdeps/pthread/pt-initfini.c
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===================================================================
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--- glibc-2.4/nptl/sysdeps/pthread/pt-initfini.c	(revision 1469)
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+++ glibc-2.4/nptl/sysdeps/pthread/pt-initfini.c	(working copy)
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@@ -45,6 +45,11 @@
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 /* Embed an #include to pull in the alignment and .end directives. */
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 asm ("\n#include \"defs.h\"");
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+asm ("\n#if defined __i686 && defined __ASSEMBLER__");
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+asm ("\n#undef __i686");
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+asm ("\n#define __i686 __i686");
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+asm ("\n#endif");
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+
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 /* The initial common code ends here. */
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 asm ("\n/*@HEADER_ENDS*/");
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