[Bug libc/723] New: clone should align stack to 16 bytes

["roland at gnu dot org" <sourceware-bugzilla at sources dot redhat dot com>]

This trunk change should go into 2.3 as well.

2004-12-21  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/unix/sysv/linux/i386/clone.S (__clone): Make sure %esp when
	calling fn is 16 byte aligned.
	* sysdeps/i386/tst-stack-align.h: New file.
nptl/
	* sysdeps/i386/tls.h (CALL_THREAD_FCT): Maintain 16 byte alignment of
	%esp.
	* Makefile (tests): Add tst-align2.
	* tst-align2.c: New test.
	* sysdeps/i386/Makefile (CFLAGS-tst-align{,2}.c): Add
	-mpreferred-stack-boundary=4.
linuxthreads/
	* Makefile (tests): Add tst-align.
	* tst-align.c: New test.
	* sysdeps/i386/Makefile (CFLAGS-tst-align.c): Add
	-mpreferred-stack-boundary=4.

-- 
           Summary: clone should align stack to 16 bytes
           Product: glibc
           Version: 2.3.4
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
        AssignedTo: roland at gnu dot org
        ReportedBy: roland at gnu dot org
                CC: glibc-bugs at sources dot redhat dot com
  GCC host triplet: i386-*-linux


http://sources.redhat.com/bugzilla/show_bug.cgi?id=723

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