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Here is a small bug-fix for libc's __syscall_error to get the unwind info correct. Did "make check" afterwards and ran a test program to verify that unwinding works correctly now for this function. --david 2003-02-24 <davidm at hpl dot hp dot com> * sysdeps/unix/sysv/linux/ia64/sysdep.S (__syscall_error): Fix unwind info. Index: sysdeps/unix/sysv/linux/ia64/sysdep.S =================================================================== RCS file: /cvs/glibc/libc/sysdeps/unix/sysv/linux/ia64/sysdep.S,v retrieving revision 1.5 diff -u -r1.5 sysdep.S --- sysdeps/unix/sysv/linux/ia64/sysdep.S 11 Oct 2002 10:51:24 -0000 1.5 +++ sysdeps/unix/sysv/linux/ia64/sysdep.S 25 Feb 2003 08:30:31 -0000 @@ -1,4 +1,4 @@ -/* Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc. +/* Copyright (C) 1999, 2000, 2001, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by David Mosberger-Tang <davidm at hpl dot hp dot com>. @@ -23,18 +23,19 @@ ENTRY(__syscall_error) #ifdef _LIBC_REENTRANT .prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(0) - alloc r35=ar.pfs, 0, 4, 0, 0 + alloc r33=ar.pfs, 0, 4, 0, 0 mov r32=rp - mov r33=r8 + .body + mov r35=r8 mov r34=r1 ;; - br.call.sptk.many b0 = __errno_location# + br.call.sptk.many b0 = __errno_location .Lret0: /* force new bundle */ - st4 [r8]=r33 + st4 [r8]=r35 mov r1=r34 mov rp=r32 mov r8=-1 - mov ar.pfs=r35 + mov ar.pfs=r33 #else /* _LIBC_REENTRANT */ /* * Note that the gp has to be set properly for this to work.
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