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Thu Aug 8 16:17:38 1996 Ulrich Drepper <drepper@cygnus.com> * pwd/getpwent.c: Define BUFLEN from NSS_BUFLEN_PASSWD. * pwd/getpwent_r.c: Likewise. * pwd/getpwnam.c: Likewise. * pwd/getpwnam_r.c: Likewise. * pwd/getpwuid.c: Likewise. * pwd/getpwuid_r.c: Likewise. * grp/getgrent.c: Define BUFLEN from NSS_BUFLEN_GROUP. * grp/getgrent_r.c: Likewise. * grp/getgrgid.c: Likewise. * grp/getgrgid_r.c: Likewise. * grp/getgrnam.c: Likewise. * pwd/fgetpwent_r.c: New file. Reentrant version of fgetpwent. * pwd/fgetpwent.c: Rewrite to use fgetpwent_r. * pwd/Makefile (routines): Add fgetpwent_r. * pwd/pwd.h: Add prototypes for __fgetpwent_r and fgetpwent_r. * grp/fgetgrent_r.c: New file. Reentrant version of fgetgrent. * grp/fgetgrent.c: Rewrite to use fgetgrent_r. * grp/Makefile (routines): Add fgetgrent_r. * grp/grp.h: Add prototypes for __fgetgrent_r and fgetgrent_r. Implement shadow password lookup functions. This is no complete shadow password suite. * shadow/Makefile: New file. * shadow/fgetspent.c: New file. * shadow/fgetspent_r.c: New file. * shadow/getspent.c: New file. * shadow/getspent_r.c: New file. * shadow/getspnam.c: New file. * shadow/getspnam_r.c: New file. * shadow/putspent.c: New file. * shadow/sgetspent.c: New file. * shadow/sgetspent_r.c: New file. * shadow/shadow.h: New file. * shadow/spwd-lookup.c: New file. * shadow/nss_files/files-spwd.c: New file. Thu Aug 8 13:33:45 1996 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/ftime.c: New file. Available system call is only a stub. Reported by Matthias Urlichs. * Makeconfig [!default_cflags]: Change default value from `-g' to `-g -O'. * configure.in: Recognize i686. * sysdeps/i386/i686/Implies: Default on i586 optimized code. Thu Aug 8 12:40:20 1996 Matthias Urlichs <smurf@smurf.noris.de> * Makeconfig [$(build-omitfp) == yes]: Add to CFLAGS-.so value of CFLAGS-.o, not CFLAGS-o. * sysdeps/unix/sysv/linux/init-first.c (init): Add volatile pointer to ourself. Otherwise `gcc -O3' optimized init away. sure that all tables in binary file are word-aligned.
108 lines
3.0 KiB
ArmAsm
108 lines
3.0 KiB
ArmAsm
/* Machine-specific calling sequence for `mcount' profiling function. alpha
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Copyright (C) 1995, 1996 Free Software Foundation, Inc.
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Contributed by David Mosberger (davidm@cs.arizona.edu).
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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/* Assembly stub to invoke _mcount(). Compiler generated code calls
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this stub after executing a function's prologue and without saving any
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registers. It is therefore necessary to preserve a0..a5 as they may
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contain function arguments. To work correctly with frame- less
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functions, it is also necessary to preserve ra. Finally, division
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routines are invoked with a special calling convention and the
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compiler treats those calls as if they were instructions. In
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particular, it doesn't save any of the temporary registers (caller
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saved registers). It is therefore necessary to preserve all
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caller-saved registers as well
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Upon entering _mcount, register $at holds the return address and ra
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holds the return address of the function's caller (selfpc and frompc,
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respectively in gmon.c language...). */
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#include <sysdep.h>
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.set noat
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.set noreorder
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LEAF(_mcount, 0xb0)
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.prologue 0
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subq sp, 0xb0, sp
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stq a0, 0x00(sp)
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mov ra, a0 # a0 = caller-pc
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stq a1, 0x08(sp)
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mov $at, a1 # a1 = self-pc
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stq $at, 0x10(sp)
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stq a2, 0x18(sp)
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stq a3, 0x20(sp)
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stq a4, 0x28(sp)
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stq a5, 0x30(sp)
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stq ra, 0x38(sp)
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stq gp, 0x40(sp)
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br gp, 1f
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1: ldgp gp, 0(gp)
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stq t0, 0x48(sp)
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stq t1, 0x50(sp)
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stq t2, 0x58(sp)
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stq t3, 0x60(sp)
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stq t4, 0x68(sp)
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stq t5, 0x70(sp)
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stq t6, 0x78(sp)
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stq t7, 0x80(sp)
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stq t8, 0x88(sp)
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stq t9, 0x90(sp)
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stq t10, 0x98(sp)
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stq t11, 0xa0(sp)
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stq v0, 0xa8(sp)
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jsr ra, __mcount
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ldq a0, 0x00(sp)
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ldq a1, 0x08(sp)
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ldq $at, 0x10(sp) # restore self-pc
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ldq a2, 0x18(sp)
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ldq a3, 0x20(sp)
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ldq a4, 0x28(sp)
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ldq a5, 0x30(sp)
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ldq ra, 0x38(sp)
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ldq gp, 0x40(sp)
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mov $at, pv # make pv point to return address
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ldq t0, 0x48(sp) # this is important under OSF/1 to
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ldq t1, 0x50(sp) # ensure that the code that we return
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ldq t2, 0x58(sp) # can correctly compute its gp
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ldq t3, 0x60(sp)
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ldq t4, 0x68(sp)
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ldq t5, 0x70(sp)
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ldq t6, 0x78(sp)
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ldq t7, 0x80(sp)
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ldq t8, 0x88(sp)
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ldq t9, 0x90(sp)
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ldq t10, 0x98(sp)
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ldq t11, 0xa0(sp)
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ldq v0, 0xa8(sp)
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addq sp, 0xb0, sp
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ret zero,($at),1
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END(_mcount)
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weak_alias (_mcount, mcount)
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