glibc/sysdeps/unix/sysv/linux/mips/clone.S

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Update. 1997-07-13 01:18 Ulrich Drepper <drepper@cygnus.com> * setjmp/setjmp.h: Define _setjmp and _longjmp also if __USE_XOPEN. * sysdeps/unix/sysv/linux/bits/ipc.h: Fix comment. * sysdeps/unix/sysv/linux/bits/msq.h: Likewise. * sysdeps/unix/sysv/linux/bits/sem.h: Likewise. * sysdeps/unix/sysv/linux/bits/shm.h: Likewise. * time/Makefile (routines): Add getdate. * time/time.h: Add prototype for getdate and getdate_r. * time/getdate.c: New file. Provided by Mark Kettenis <kettenis@phys.uva.nl>. 1997-06-30 14:49 H.J. Lu <hjl@gnu.ai.mit.edu> From Ralf Baechle <ralf@informatik.uni-koblenz.de> on Sat Jun 21 18:11:21 1997: * sysdeps/unix/sysv/linux/syscalls.list (swapon): Add __swapon alias. (swapoff): New. * elf/Makefile: Add linker script support. (headers): Add bits/dlfcn.h. * elf/dl-load.c (MAP_BASE_ADDR): New. * elf/dlfcn.h: Include <bits/dlfcn.h>. * elf/elf.h: Add MIPS support. * sysdeps/generic/Dist: Add entry.h. * sysdeps/generic/entry.h: New, define the entry symbol. * elf/rtld.c (_start): Include <entry.h>. Change to ENTRY_POINT. * sysdeps/generic/dl-sysdep.c (_start): Likewise. * mips/elf/start.S (_start): Likewise. * sysdeps/mips/bsd-_setjmp.S: Fix PIC. * sysdeps/mips/bsd-setjmp.S: Likewise. * sysdeps/mips/setjmp.S: Likewise. * mips/elf/start.S: Likewise. * sysdeps/unix/mips/brk.S: Likewise. * sysdeps/unix/mips/sysdep.S: Likewise. * sysdeps/unix/mips/sysdep.h: Likewise. * sysdeps/unix/mips/wait.S: Likewise. * sysdeps/mips/dl-machine.h: Update for Linux/MIPS. * sysdeps/mips/fpu_control.h: Likewise. * sysdeps/generic/bits/dlfcn.h: New file. * sysdeps/mips/rtld-ldscript.in: New for Linux/MIPS. * sysdeps/mips/rtld-parms: Likewise. * sysdeps/mips/bits/dlfcn.h: Likewise. * sysdeps/mips/mips64/rtld-parms: Likewise. * sysdeps/mips/mipsel/rtld-parms: Likewise. * sysdeps/unix/sysv/linux/mips/Dist: Likewise. * sysdeps/unix/sysv/linux/mips/Makefile: Likewise. * sysdeps/unix/sysv/linux/mips/clone.S: Likewise. * sysdeps/unix/sysv/linux/mips/entry.h: Likewise. * sysdeps/unix/sysv/linux/mips/fpregdef.h: Likewise. * sysdeps/unix/sysv/linux/mips/fxstat.c: Likewise. * sysdeps/unix/sysv/linux/mips/kernel_sigaction.h: Likewise. * sysdeps/unix/sysv/linux/mips/kernel_stat.h: Likewise. * sysdeps/unix/sysv/linux/mips/kernel_termios.h: Likewise. * sysdeps/unix/sysv/linux/mips/lxstat.c: Likewise. * sysdeps/unix/sysv/linux/mips/regdef.h: Likewise. * sysdeps/unix/sysv/linux/mips/sgidefs.h: Likewise. * sysdeps/unix/sysv/linux/mips/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/mips/ustat.c: Likewise. * sysdeps/unix/sysv/linux/mips/xmknod.c: Likewise. * sysdeps/unix/sysv/linux/mips/xstat.c: Likewise. * sysdeps/unix/sysv/linux/mips/bits/endian.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/fcntl.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/ioctl-types.h: * sysdeps/unix/sysv/linux/mips/bits/ipc.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/shm.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/sigaction.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/signum.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/socket.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/statfs.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/time.h: Likewise. * sysdeps/unix/sysv/linux/mips/sys/acct.h: Likewise. * sysdeps/unix/sysv/linux/mips/sys/asm.h: Likewise. * sysdeps/unix/sysv/linux/mips/sys/cachectl.h: Likewise. * sysdeps/unix/sysv/linux/mips/sys/fpregdef.h: Likewise. * sysdeps/unix/sysv/linux/mips/sys/procfs.h: Likewise. * sysdeps/unix/sysv/linux/mips/sys/regdef.h: Likewise. * sysdeps/unix/sysv/linux/mips/sys/syscall.h: Likewise. * sysdeps/unix/sysv/linux/mips/sys/sysmips.h: Likewise. 1997-04-09 19:05 H.J. Lu (hjl@gnu.ai.mit.edu) * isomac.c (xstrndup): New, use it instead of strndup (). 1997-07-02 08:55 H.J. Lu <hjl@gnu.ai.mit.edu> * sysdeps/i386/dl-machine.h (elf_machine_rel): Print the program name for different sizes. 1997-07-10 15:47 Fila Kolodny <fila@ibi.com> * nis/ypclnt.c: Change references to MAXHOSTNAMELEN to NIS_MAXNAMELEN. Add include of rpcsvc/nis.h. * inet/getnameinfo.c: Delete references to MAXHOSTNAMELEN. * sysdeps/posix/getaddrinfo.c: Likewise. Change size of variable buffer to be big enough to hold an IPv6 address in printable format. 1997-07-12 18:47 Ulrich Drepper <drepper@cygnus.com> * assert/assert.h [!NDEBUG] (assert, assert_perror): Don't use || and && in tests to allow use in C++ code which overloads these operators. Reported by Istvan Marko <istvan@cmdmail.amd.com>. * configure.in: Move mips64* recognition before mips*. Patch by Zack Weinberg <zack@rabi.phys.columbia.edu>. 1997-07-03 20:44 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * Makerules (lib%.so, $(common-objpfx)libc.so): Don't use automatic variables in dependency lists. (build-shlib): Always filter out the version script file. * extra-lib.mk ($(objpfx)$(lib).so): Depend on version script. 1997-07-12 17:56 Ulrich Drepper <drepper@cygnus.com> * login/login.c (tty_name): Test return value of ttyname_r for != 0, not < 0. * misc/ttyslot.c (ttyslot): Test return value of ttyname_r for == 0, not >= 0. * sysdeps/unix/getlogin.c (getlogin): Test return value of ttyname_r for != 0. * sysdeps/unix/getlogin_r.c (getlogin_r): Likewise. 1997-07-10 Andreas Jaeger <aj@arthur.rhein-neckar.de> * login/utmp_file.c (getutline_r_file): Fix type: compare with *result. 1997-07-11 00:21 Mark Kettenis <kettenis@phys.uva.nl> * login/Makefile (headers): Add utmpx.h and bits/utmpx.h. 1997-07-09 19:21 Mark Kettenis <kettenis@phys.uva.nl> * login/programs/utmpd.c, login/programs/database.c, login/programs/request.c: Prepare messages for internationalization. * login/programs/utmpd.c: (main): Change handling of errors in opening the database. * login/programs/database.c: (open_database, synchronize_dtatabase, initialize_database): Properly handle errors. (get_mtime): Use fstat instead of stat. All callers changed. * login/getutent_r.c: Make setutxent a weak alias for __setutxent. * login/getutent.c: Rename getutent to __getutent and make getutent a weak alias. Make getutxent a weak alias for __getutent. * login/utmpx.h: New file. * sysdeps/gnu/bits/utmp.h: Cleanup. Added comments. * sysdeps/gnu/bits/utmpx.h: New file. * stdio-common/strops.c: Partialy undo last change. Will need more investigation.
1997-07-12 23:35:19 +00:00
/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ralf Baechle <ralf@gnu.ai.mit.edu>, 1996.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* clone() is even more special than fork() as it mucks with stacks
and invokes a function in the right context after its all over. */
#include <sys/asm.h>
#include <asm/unistd.h>
#include <sysdep.h>
#define _ERRNO_H 1
#include <bits/errno.h>
/* int clone(int (*fn)(), void *child_stack, int flags, int nargs, ...) */
#define FRAMESZ 4*SZREG
#if _MIPS_SIM == _MIPS_SIM_ABI32
#define MAX_REG_ARGS 4
#else
#define MAX_REG_ARGS 6
#endif
.text
NESTED(__clone,4*SZREG,sp)
Update. 1997-07-26 04:14 Ulrich Drepper <drepper@cygnus.com> * elf/Makefile (distribute): Add genrtldtbl.awk. (before-compile): Add rtldtbl.h. (GAWK): New variable. (generated): Add trusted-dirs.h and rtldtbl.h. ($(objpfx)rtldtbl.h): New rule. File is needed by dl-load.c. * elf/dl-load.c: Rewrite. Now use cache and look for shared objects in machine dependent directories. * elf/dl-object.c (_dl_new_object): Initialize l_rpath_dirs member. * elf/dl-support.c: Rename function to non_dynamic_init and add initialization for _dl_platform, _dl_platformlen, _dl_pagesize and call to initializer for search path. * elf/elf.h: Add AT_PLATFORM and AT_HWCAP. * elf/genrtldtbl.awk: New file. * elf/link.h: Add type definitions and declarations for search path cache. * elf/rtld.c: Add definitions of variables used for search path cache. * sysdeps/generic/dl-sysdep.c: Let auxiliary vector initialize _dl_platform. Initialize _dl_pagesize early and use this value. * sysdeps/i386/dl-machine.h: Add code for _dl_platform handling. * sysdeps/mach/hurd/dl-sysdep.c: Initialize _dl_pagesize. * sysdeps/unix/sysv/linux/dl-sysdep.c: Use _dl_pagesize instead of calling getpagesize. * elf/dl-error.c (_dl_signal_error): Make message nicer. * nss/libnss_files.map: Fix typo. Reported by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>. * sysdeps/generic/strsep.c: Optimize case where separator set contains only one character. * sysdeps/libm-ieee754/s_ccosh.c: Correct sign of result for real == +-Inf. * sysdeps/libm-ieee754/s_ccoshf.c: Likewise. * sysdeps/libm-ieee754/s_ccoshl.c: Likewise. 1997-07-25 09:15 H.J. Lu <hjl@gnu.ai.mit.edu> * sysdeps/sparc/udiv_qrnnd.S: Check PIC instead of __PIC__. * sysdeps/unix/sysv/linux/sparc/__sigtrampoline.S: Likewise. * sysdeps/unix/mips/sysdep.S: Likewise. * sysdeps/unix/sysv/linux/mips/clone.S: Likewise. * sysdeps/mips/bsd-_setjmp.S: Remove __PIC__ comment. * sysdeps/mips/bsd-setjmp.S: Likewise. * sysdeps/mips/dl-machine.h: Remove extra stuff. * sysdeps/mips/mips64/dl-machine.h: Likewise. 1997-07-25 18:55 Philip Blundell <Philip.Blundell@pobox.com> * sysdeps/standalone/arm/sysdep.c: New file. 1997-07-25 13:25 Philip Blundell <Philip.Blundell@pobox.com> * aout/Makefile: New file. * Makeconfig (binfmt-subdir): Assume a.out when not ELF. * sysdeps/generic/machine-gmon.h: Add warning about limitations of __builtin_return_address(). * sysdeps/arm/machine-gmon.h: New file, use assembly to avoid above problem. 1997-07-25 16:24 H.J. Lu <hjl@gnu.ai.mit.edu> * elf/dl-deps.c (_dl_map_object_deps): Fix a typo. 1997-07-22 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * math/libm-test.c (ccos_test, ccosh_test): Fix sign in some tests. 1997-07-24 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sunrpc/clnt_udp.c (clntudp_call): Rename cu_wait from timeout to not shadow the variable in the outer scope.
1997-07-26 02:33:30 +00:00
#ifdef PIC
Update. 1997-07-13 01:18 Ulrich Drepper <drepper@cygnus.com> * setjmp/setjmp.h: Define _setjmp and _longjmp also if __USE_XOPEN. * sysdeps/unix/sysv/linux/bits/ipc.h: Fix comment. * sysdeps/unix/sysv/linux/bits/msq.h: Likewise. * sysdeps/unix/sysv/linux/bits/sem.h: Likewise. * sysdeps/unix/sysv/linux/bits/shm.h: Likewise. * time/Makefile (routines): Add getdate. * time/time.h: Add prototype for getdate and getdate_r. * time/getdate.c: New file. Provided by Mark Kettenis <kettenis@phys.uva.nl>. 1997-06-30 14:49 H.J. Lu <hjl@gnu.ai.mit.edu> From Ralf Baechle <ralf@informatik.uni-koblenz.de> on Sat Jun 21 18:11:21 1997: * sysdeps/unix/sysv/linux/syscalls.list (swapon): Add __swapon alias. (swapoff): New. * elf/Makefile: Add linker script support. (headers): Add bits/dlfcn.h. * elf/dl-load.c (MAP_BASE_ADDR): New. * elf/dlfcn.h: Include <bits/dlfcn.h>. * elf/elf.h: Add MIPS support. * sysdeps/generic/Dist: Add entry.h. * sysdeps/generic/entry.h: New, define the entry symbol. * elf/rtld.c (_start): Include <entry.h>. Change to ENTRY_POINT. * sysdeps/generic/dl-sysdep.c (_start): Likewise. * mips/elf/start.S (_start): Likewise. * sysdeps/mips/bsd-_setjmp.S: Fix PIC. * sysdeps/mips/bsd-setjmp.S: Likewise. * sysdeps/mips/setjmp.S: Likewise. * mips/elf/start.S: Likewise. * sysdeps/unix/mips/brk.S: Likewise. * sysdeps/unix/mips/sysdep.S: Likewise. * sysdeps/unix/mips/sysdep.h: Likewise. * sysdeps/unix/mips/wait.S: Likewise. * sysdeps/mips/dl-machine.h: Update for Linux/MIPS. * sysdeps/mips/fpu_control.h: Likewise. * sysdeps/generic/bits/dlfcn.h: New file. * sysdeps/mips/rtld-ldscript.in: New for Linux/MIPS. * sysdeps/mips/rtld-parms: Likewise. * sysdeps/mips/bits/dlfcn.h: Likewise. * sysdeps/mips/mips64/rtld-parms: Likewise. * sysdeps/mips/mipsel/rtld-parms: Likewise. * sysdeps/unix/sysv/linux/mips/Dist: Likewise. * sysdeps/unix/sysv/linux/mips/Makefile: Likewise. * sysdeps/unix/sysv/linux/mips/clone.S: Likewise. * sysdeps/unix/sysv/linux/mips/entry.h: Likewise. * sysdeps/unix/sysv/linux/mips/fpregdef.h: Likewise. * sysdeps/unix/sysv/linux/mips/fxstat.c: Likewise. * sysdeps/unix/sysv/linux/mips/kernel_sigaction.h: Likewise. * sysdeps/unix/sysv/linux/mips/kernel_stat.h: Likewise. * sysdeps/unix/sysv/linux/mips/kernel_termios.h: Likewise. * sysdeps/unix/sysv/linux/mips/lxstat.c: Likewise. * sysdeps/unix/sysv/linux/mips/regdef.h: Likewise. * sysdeps/unix/sysv/linux/mips/sgidefs.h: Likewise. * sysdeps/unix/sysv/linux/mips/syscalls.list: Likewise. * sysdeps/unix/sysv/linux/mips/ustat.c: Likewise. * sysdeps/unix/sysv/linux/mips/xmknod.c: Likewise. * sysdeps/unix/sysv/linux/mips/xstat.c: Likewise. * sysdeps/unix/sysv/linux/mips/bits/endian.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/fcntl.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/ioctl-types.h: * sysdeps/unix/sysv/linux/mips/bits/ipc.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/shm.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/sigaction.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/signum.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/socket.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/stat.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/statfs.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/termios.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/time.h: Likewise. * sysdeps/unix/sysv/linux/mips/sys/acct.h: Likewise. * sysdeps/unix/sysv/linux/mips/sys/asm.h: Likewise. * sysdeps/unix/sysv/linux/mips/sys/cachectl.h: Likewise. * sysdeps/unix/sysv/linux/mips/sys/fpregdef.h: Likewise. * sysdeps/unix/sysv/linux/mips/sys/procfs.h: Likewise. * sysdeps/unix/sysv/linux/mips/sys/regdef.h: Likewise. * sysdeps/unix/sysv/linux/mips/sys/syscall.h: Likewise. * sysdeps/unix/sysv/linux/mips/sys/sysmips.h: Likewise. 1997-04-09 19:05 H.J. Lu (hjl@gnu.ai.mit.edu) * isomac.c (xstrndup): New, use it instead of strndup (). 1997-07-02 08:55 H.J. Lu <hjl@gnu.ai.mit.edu> * sysdeps/i386/dl-machine.h (elf_machine_rel): Print the program name for different sizes. 1997-07-10 15:47 Fila Kolodny <fila@ibi.com> * nis/ypclnt.c: Change references to MAXHOSTNAMELEN to NIS_MAXNAMELEN. Add include of rpcsvc/nis.h. * inet/getnameinfo.c: Delete references to MAXHOSTNAMELEN. * sysdeps/posix/getaddrinfo.c: Likewise. Change size of variable buffer to be big enough to hold an IPv6 address in printable format. 1997-07-12 18:47 Ulrich Drepper <drepper@cygnus.com> * assert/assert.h [!NDEBUG] (assert, assert_perror): Don't use || and && in tests to allow use in C++ code which overloads these operators. Reported by Istvan Marko <istvan@cmdmail.amd.com>. * configure.in: Move mips64* recognition before mips*. Patch by Zack Weinberg <zack@rabi.phys.columbia.edu>. 1997-07-03 20:44 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * Makerules (lib%.so, $(common-objpfx)libc.so): Don't use automatic variables in dependency lists. (build-shlib): Always filter out the version script file. * extra-lib.mk ($(objpfx)$(lib).so): Depend on version script. 1997-07-12 17:56 Ulrich Drepper <drepper@cygnus.com> * login/login.c (tty_name): Test return value of ttyname_r for != 0, not < 0. * misc/ttyslot.c (ttyslot): Test return value of ttyname_r for == 0, not >= 0. * sysdeps/unix/getlogin.c (getlogin): Test return value of ttyname_r for != 0. * sysdeps/unix/getlogin_r.c (getlogin_r): Likewise. 1997-07-10 Andreas Jaeger <aj@arthur.rhein-neckar.de> * login/utmp_file.c (getutline_r_file): Fix type: compare with *result. 1997-07-11 00:21 Mark Kettenis <kettenis@phys.uva.nl> * login/Makefile (headers): Add utmpx.h and bits/utmpx.h. 1997-07-09 19:21 Mark Kettenis <kettenis@phys.uva.nl> * login/programs/utmpd.c, login/programs/database.c, login/programs/request.c: Prepare messages for internationalization. * login/programs/utmpd.c: (main): Change handling of errors in opening the database. * login/programs/database.c: (open_database, synchronize_dtatabase, initialize_database): Properly handle errors. (get_mtime): Use fstat instead of stat. All callers changed. * login/getutent_r.c: Make setutxent a weak alias for __setutxent. * login/getutent.c: Rename getutent to __getutent and make getutent a weak alias. Make getutxent a weak alias for __getutent. * login/utmpx.h: New file. * sysdeps/gnu/bits/utmp.h: Cleanup. Added comments. * sysdeps/gnu/bits/utmpx.h: New file. * stdio-common/strops.c: Partialy undo last change. Will need more investigation.
1997-07-12 23:35:19 +00:00
.set noreorder
.cpload $25
.set reorder
.cprestore 16
#endif
PTR_SUBIU sp,FRAMESZ
#ifdef PROF
.set noat
move $1,ra
jal _mcount
.set at
#endif
/* Sanity check arguments. */
li v0,EINVAL
beqz a0,error /* no NULL function pointers */
beqz a1,error /* no NULL stack pointers */
bltz a3,error /* no negative argument counts */
/* Allocate space on the new stack and copy args over */
move t0,a3 # save nargs for __thread_start
PTR_SLL t1,a3,PTR_SCALESHIFT
PTR_ADDU t1,a3,sp
1: REG_L t2,-SZREG(t1)
PTR_SUBIU t1,SZREG
REG_S t2,-SZREG(a1)
PTR_SUBIU a3,1
PTR_SUBIU a1,SZREG
bnez a3,1b
/* Do the system call */
move t9,a0 # get fn ptr out of the way
move a0,a2
li v0,__NR_clone
syscall
bnez a3,error
beqz v0,__thread_start
/* Successful return from the parent */
PTR_ADDIU sp,FRAMESZ
ret
/* Something bad happened -- no child created */
error:
PTR_ADDIU sp,FRAMESZ
#ifdef PIC
la t9,__syscall_error
jr t9
#else
j __syscall_error
#endif
END(__clone)
/* Load up the arguments to the function. Put this block of code in
its own function so that we can terminate the stack trace with our
debug info.
At this point we have t0=nargs, t9=fn, sp=&arg[0]. */
NESTED(__thread_start,32,sp)
/* Stackframe has been created on entry of clone() */
/* Calculate address of jump into argument loading code */
li t1,MAX_REG_ARGS
slt t0,t1,t2 /* max MAX_REG_ARGS args in registers */
MOVN (t2,t1,t0)
la v0,arg0
PTR_SLL t1,t0,PTR_SCALESHIFT
PTR_SUBU v0,t1
jr v0
/* Load the integer register arguments */
REG_L a0,SZREG(sp)
arg0:
/* Call the user's function */
jalr t9
/* Call _exit rather than doing it inline for breakpoint purposes */
move a0,v0
jal _exit
END(__thread_start)
weak_alias(__clone, clone)