mirror of
https://sourceware.org/git/glibc.git
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Update.
2003-01-05 Kaz Kojima <kkojima@rr.iij4u.or.jp> * sysdeps/unix/sysv/linux/sh/clone.S (__clone): Use SYSCALL_ERROR_HANDLER. * sysdeps/unix/sysv/linux/sh/pipe.S (__libc_pipe): Likewise. * sysdeps/unix/sysv/linux/sh/socket.S (__socket): Likewise. Add support for cancellation handling. * sysdeps/unix/sysv/linux/sh/syscall.S (__syscall): Use SYSCALL_ERROR_HANDLER. * sysdeps/unix/sysv/linux/sh/vfork.S (__vfork): Likewise. * sysdeps/unix/sysv/linux/sh/sysdep.h (PSEUDO): Likewise. Add support for cancellation handling. (SYSCALL_ERROR_HANDLER): Define PIC variants.
This commit is contained in:
Ulrich Drepper
parent
bdee30cfe4
commit
bbd1745596
14
ChangeLog
14
ChangeLog
@ -1,3 +1,17 @@
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2003-01-05 Kaz Kojima <kkojima@rr.iij4u.or.jp>
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* sysdeps/unix/sysv/linux/sh/clone.S (__clone): Use
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SYSCALL_ERROR_HANDLER.
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* sysdeps/unix/sysv/linux/sh/pipe.S (__libc_pipe): Likewise.
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* sysdeps/unix/sysv/linux/sh/socket.S (__socket): Likewise.
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Add support for cancellation handling.
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* sysdeps/unix/sysv/linux/sh/syscall.S (__syscall): Use
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SYSCALL_ERROR_HANDLER.
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* sysdeps/unix/sysv/linux/sh/vfork.S (__vfork): Likewise.
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* sysdeps/unix/sysv/linux/sh/sysdep.h (PSEUDO): Likewise.
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Add support for cancellation handling.
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(SYSCALL_ERROR_HANDLER): Define PIC variants.
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2003-01-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
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* sysdeps/unix/sysv/linux/powerpc/powerpc32/syscalls.list: Mark
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@ -1,3 +1,7 @@
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2003-01-05 Ulrich Drepper <drepper@redhat.com>
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* Makefile (libc.so-no-z-defs): Define to yes.
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2003-01-05 Kaz Kojima <kkojima@rr.iij4u.or.jp>
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* sysdeps/sh/tls.h: Include dl-sysdep.h and stdint.h.
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@ -171,6 +171,9 @@ $(objpfx)libc_pic_lite.os: $(objpfx)libc_pic_lite.a $(objpfx)libc-tsd.os
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$(LINK.o) -nostdlib -nostartfiles -r -o $@ \
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$(LDFLAGS-c_pic.os) -Wl,-d -Wl,--whole-archive $^
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# This trick leaves errno and h_errno undefined.
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libc.so-no-z-defs = yes
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$(objpfx)libc.so: $(elfobjdir)/soinit.os \
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$(objpfx)libc_pic_lite.os \
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$(elfobjdir)/sofini.os \
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@ -1,7 +1,50 @@
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2003-01-05 Ulrich Drepper <drepper@redhat.com>
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* sysdeps/unix/sysv/linux/jmp-unwind.c: Include <pthread-functions.h>.
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Use __libc_pthread_functions array if SHARED.
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* pthreadP.h: Move pthread_cond_2_0_t definition to...
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* sysdeps/unix/sysv/linux/internaltypes.h: ...here.
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* sysdeps/pthread/bits/libc-lock.h (__libc_ptf_call): New #define.
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(__libc_rwlock_rdlock, __libc_rwlock_wrlock, __libc_rwlock_unlock,
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__libc_key_create, __libc_getspecific, __libc_setspecific): Use
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__libc_ptf_call instead of __libc_maybe_call.
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(PTF): New #define.
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(__libc_cleanup_region_start): Wrap function name with PTF call.
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(__libc_cleanup_region_end): Likewise.
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(__libc_cleanup_end): Likewise.
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* pthread_getspecific.c: Add __pthread_getspecific_internal alias.
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* pthread_setspecific.c: Add __pthread_setspecific_internal alias.
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* pthread_key_create.c: Add __pthread_key_create_internal alias.
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* pthreadP.h: Add prototypes.
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* sysdeps/unix/sysv/linux/i386/i486/lowlevelrwlock.S: Add
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__pthread_rwlock_rdlock, __pthread_rwlock_wrlock, and
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__pthread_rwlock_unlock aliases.
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* pthreadP.h: Add prototypes for new aliases.
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* pthreadP.h (struct pthead_functions): Moved to...
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* sysdeps/pthread/pthread-functions.h: ...here. New file.
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* init.c (pthread_functions): Add initializers for new elements.
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* cleanup_defer.c: Add __pthread_cleanup_push_defer and
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__pthread_cleanup_pop_restore aliases.
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* pthreadP.h: Add prototypes.
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* cleanup.c: Rename _GI_pthread_cleanup_push to __pthread_cleanup_push
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and _GI_pthread_cleanup_pop to __pthread_cleanup_pop.
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* sysdeps/unix/sysv/linux/i386/i486/lowlevelcond.S: Adjust caller.
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* sysdeps/unix/sysv/linux/i386/pthread_once.S: Likewise.
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* sysdeps/unix/sysv/linux/x86_64/pthread_once.S: Likewise.
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* pthreadP.h: Adjust prototypes and callers.
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2003-01-04 Ulrich Drepper <drepper@redhat.com>
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* Makefile (tests): Add tst-cancel7.
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(tst-cancel7-ARGS): New variable.
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* tst-cancel7.c: New file.
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* old_pthread_cond_broadcast.c: Optimize initialization a bit to work
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around gcc defficiencies.
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@ -1,4 +1,4 @@
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/* Copyright (C) 1999, 2000 Free Software Foundation, Inc.
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/* Copyright (C) 1999, 2000, 2003 Free Software Foundation, Inc.
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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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@ -32,27 +32,9 @@ ENTRY(__clone)
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bf/s 1f
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tst r5, r5
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bf/s 1f
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mov.l .L1, r1
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#ifdef SHARED
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mov.l r12, @-r15
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sts.l pr, @-r15
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mov.l .LG, r12
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mova .LG, r0
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add r0, r12
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mova .L1, r0
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add r0, r1
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jsr @r1
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mov #-EINVAL, r4
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lds.l @r15+, pr
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rts
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mov.l @r15+, r12
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#else
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jmp @r1
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mov #-EINVAL, r4
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#endif
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.align 2
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.L1:
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.long PLTJMP(C_SYMBOL_NAME(__syscall_error))
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mov #-EINVAL,r0
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bra .Lsyscall_error
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nop
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1:
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/* insert the args onto the new stack */
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mov.l r7, @-r5
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@ -68,36 +50,16 @@ ENTRY(__clone)
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shad r2, r1
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not r1, r1 // r1=0 means r0 = -1 to -4095
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tst r1, r1 // i.e. error in linux
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bf 2f
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mov.l .L2, r1
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#ifdef SHARED
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mov r0, r4
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mov.l r12, @-r15
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sts.l pr, @-r15
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mov.l .LG, r12
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mova .LG, r0
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add r0, r12
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mova .L2, r0
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add r0, r1
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jsr @r1
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nop
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lds.l @r15+, pr
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rts
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mov.l @r15+, r12
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#else
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jmp @r1
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mov r0, r4
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#endif
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.align 2
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.L2:
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.long PLTJMP(C_SYMBOL_NAME(__syscall_error))
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2:
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bf .Lclone_end
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.Lsyscall_error:
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SYSCALL_ERROR_HANDLER
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.Lclone_end:
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tst r0, r0
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bt 3f
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bt 2f
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.Lpseudo_end:
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rts
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nop
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3:
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2:
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/* thread starts */
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mov.l @r15, r1
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jsr @r1
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@ -1,4 +1,4 @@
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/* Copyright (C) 1999, 2000, 2002 Free Software Foundation, Inc.
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/* Copyright (C) 1999, 2000, 2002, 2003 Free Software Foundation, Inc.
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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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@ -26,37 +26,16 @@ ENTRY (__libc_pipe)
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shad r2, r3
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not r3, r3 // r1=0 means r0 = -1 to -4095
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tst r3, r3 // i.e. error in linux
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bf 1f
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mov.l .L2, r1
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#ifdef SHARED
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mov r0, r4
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mov.l r12, @-r15
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sts.l pr, @-r15
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mov.l 0f, r12
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mova 0f, r0
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add r0, r12
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mova .L2, r0
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add r0, r1
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jsr @r1
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nop
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lds.l @r15+, pr
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rts
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mov.l @r15+, r12
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.align 2
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0:
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.long _GLOBAL_OFFSET_TABLE_
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#else
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jmp @r1
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mov r0, r4
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#endif
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1:
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bt 1f
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mov.l r0, @r4
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mov.l r1, @(4, r4)
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rts
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mov #0, r0
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.align 2
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.L2:
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.long PLTJMP(C_SYMBOL_NAME(__syscall_error))
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1:
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SYSCALL_ERROR_HANDLER
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.Lpseudo_end:
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rts
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nop
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PSEUDO_END (__libc_pipe)
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weak_alias (__libc_pipe, __pipe)
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@ -1,4 +1,4 @@
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/* Copyright (C) 1999, 2000 Free Software Foundation, Inc.
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/* Copyright (C) 1999, 2000, 2003 Free Software Foundation, Inc.
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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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@ -16,8 +16,9 @@
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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#include <sysdep-cancel.h>
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#include <socketcall.h>
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#include <tls.h>
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#define P(a, b) P2(a, b)
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#define P2(a, b) a##b
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@ -63,7 +64,12 @@ ENTRY (__socket)
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/* Push args onto the stack. */
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P(PUSHARGS_,NARGS)
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/* Do the system call trap. */
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#if defined NEED_CANCELLATION && defined CENABLE
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SINGLE_THREAD_P
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bf .Lsocket_cancel
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#endif
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/* Do the system call trap. */
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mov #+P(SOCKOP_,socket), r4
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mov r15, r5
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mov.l .L1,r3
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@ -77,39 +83,44 @@ ENTRY (__socket)
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shad r2, r1
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not r1, r1 // r1=0 means r0 = -1 to -4095
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tst r1, r1 // i.e. error in linux
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bf 1f
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mov.l .L2, r1
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#ifdef SHARED
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mov r0, r4
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mov.l r12, @-r15
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sts.l pr, @-r15
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mov.l 0f, r12
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mova 0f, r0
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add r0, r12
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mova .L2, r0
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add r0, r1
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jsr @r1
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nop
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lds.l @r15+, pr
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rts
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mov.l @r15+, r12
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.align 2
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0:
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.long _GLOBAL_OFFSET_TABLE_
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#else
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jmp @r1
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mov r0, r4
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#endif
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1:
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bf .Lpseudo_end
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.Lsyscall_error:
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SYSCALL_ERROR_HANDLER
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.Lpseudo_end:
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/* Successful; return the syscall's value. */
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rts
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nop
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#if defined NEED_CANCELLATION && defined CENABLE
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.Lsocket_cancel:
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/* Enable asynchronous cancellation. */
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CENABLE
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/* Do the system call trap. */
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mov #+P(SOCKOP_,socket), r4
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mov r15, r5
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mov.l .L1,r3
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trapa #0x12
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mov.l r0,@-r15
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CDISABLE
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mov.l @r15+,r0
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/* Pop args off the stack */
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P(POPARGS_,NARGS)
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mov r0, r1
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mov #-12, r2
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shad r2, r1
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not r1, r1 // r1=0 means r0 = -1 to -4095
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tst r1, r1 // i.e. error in linux
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bf .Lpseudo_end
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bra .Lsyscall_error
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nop
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#endif
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.align 2
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.L1:
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.long SYS_ify(socketcall)
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.L2:
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.long PLTJMP(C_SYMBOL_NAME(__syscall_error))
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|
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PSEUDO_END (__socket)
|
||||
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 2000 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 2000, 2003 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
@ -33,36 +33,12 @@ ENTRY (__syscall)
|
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shad r2, r1
|
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not r1, r1 // r1=0 means r0 = -1 to -4095
|
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tst r1, r1 // i.e. error in linux
|
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bf 1f
|
||||
mov.l .L2, r1
|
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#ifdef SHARED
|
||||
mov r0, r4
|
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mov.l r12, @-r15
|
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sts.l pr, @-r15
|
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mov.l 0f, r12
|
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mova 0f, r0
|
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add r0, r12
|
||||
mova .L2, r0
|
||||
add r0, r1
|
||||
jsr @r1
|
||||
nop
|
||||
lds.l @r15+, pr
|
||||
rts
|
||||
mov.l @r15+, r12
|
||||
.align 2
|
||||
0:
|
||||
.long _GLOBAL_OFFSET_TABLE_
|
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#else
|
||||
jmp @r1
|
||||
mov r0, r4
|
||||
#endif
|
||||
1:
|
||||
bf .Lpseudo_end
|
||||
SYSCALL_ERROR_HANDLER
|
||||
.Lpseudo_end:
|
||||
rts
|
||||
nop
|
||||
|
||||
.align 2
|
||||
.L2:
|
||||
.long PLTJMP(C_SYMBOL_NAME(__syscall_error))
|
||||
PSEUDO_END (__syscall)
|
||||
|
||||
weak_alias (__syscall, syscall)
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 1992,93,95-99,2000,02 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1992, 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2002, 2003 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>, August 1995.
|
||||
Changed by Kaz Kojima, <kkojima@rr.iij4u.or.jp>.
|
||||
@ -45,9 +45,9 @@
|
||||
returns a value in -1 .. -4095 as a valid result so we can savely
|
||||
test with -4095. */
|
||||
|
||||
#define _IMM1 #-1
|
||||
#define _IMM12 #-12
|
||||
#undef PSEUDO
|
||||
#ifdef SHARED
|
||||
#define PSEUDO(name, syscall_name, args) \
|
||||
.text; \
|
||||
ENTRY (name); \
|
||||
@ -57,50 +57,99 @@
|
||||
shad r2,r1; \
|
||||
not r1,r1; \
|
||||
tst r1,r1; \
|
||||
bf 1f; \
|
||||
mov r0,r4; \
|
||||
mov.l r12,@-r15; \
|
||||
sts.l pr,@-r15; \
|
||||
mov.l 0f,r12; \
|
||||
mova 0f,r0; \
|
||||
add r0,r12; \
|
||||
mov.l 2f,r1; \
|
||||
mova 2f,r0; \
|
||||
add r0,r1; \
|
||||
jsr @r1; \
|
||||
nop; \
|
||||
lds.l @r15+,pr; \
|
||||
rts; \
|
||||
mov.l @r15+,r12; \
|
||||
.align 2; \
|
||||
2: .long PLTJMP(C_SYMBOL_NAME(__syscall_error)); \
|
||||
0: .long _GLOBAL_OFFSET_TABLE_; \
|
||||
1:
|
||||
#else
|
||||
#define PSEUDO(name, syscall_name, args) \
|
||||
.text; \
|
||||
ENTRY (name); \
|
||||
DO_CALL (syscall_name, args); \
|
||||
mov r0,r1; \
|
||||
mov _IMM12,r2; \
|
||||
shad r2,r1; \
|
||||
not r1,r1; \
|
||||
tst r1,r1; \
|
||||
bf 1f; \
|
||||
mov.l 2f,r1; \
|
||||
jmp @r1; \
|
||||
mov r0, r4; \
|
||||
.align 2; \
|
||||
2: .long PLTJMP(C_SYMBOL_NAME(__syscall_error)); \
|
||||
1:
|
||||
#endif
|
||||
bf .Lpseudo_end; \
|
||||
SYSCALL_ERROR_HANDLER; \
|
||||
.Lpseudo_end:
|
||||
|
||||
#undef PSEUDO_END
|
||||
#define PSEUDO_END(name) \
|
||||
SYSCALL_ERROR_HANDLER \
|
||||
END (name)
|
||||
|
||||
#define SYSCALL_ERROR_HANDLER /* Nothing here; code in sysdep.S is used. */
|
||||
#ifndef PIC
|
||||
# define SYSCALL_ERROR_HANDLER /* Nothing here; code in sysdep.S is used. */
|
||||
#else
|
||||
# if RTLD_PRIVATE_ERRNO
|
||||
# define SYSCALL_ERROR_HANDLER \
|
||||
neg r0,r1; \
|
||||
mov.l 0f,r12; \
|
||||
mova 0f,r0; \
|
||||
add r0,r12; \
|
||||
mov.l 1f,r0; \
|
||||
mov.l r1,@(r0,r12)
|
||||
bra .Lpseudo_end; \
|
||||
mov _IMM1,r0; \
|
||||
.align 2; \
|
||||
0: .long _GLOBAL_OFFSET_TABLE_; \
|
||||
1: .long errno@GOTOFF
|
||||
|
||||
# elif defined _LIBC_REENTRANT
|
||||
|
||||
# if USE___THREAD
|
||||
# ifndef NOT_IN_libc
|
||||
# define SYSCALL_ERROR_ERRNO __libc_errno
|
||||
# else
|
||||
# define SYSCALL_ERROR_ERRNO errno
|
||||
# endif
|
||||
# define SYSCALL_ERROR_HANDLER \
|
||||
neg r0,r1; \
|
||||
mov r12,r2; \
|
||||
mov.l 0f,r12; \
|
||||
mova 0f,r0; \
|
||||
add r0,r12; \
|
||||
mov.l 1f,r0; \
|
||||
stc gbr, r4; \
|
||||
mov.l @(r0,r12),r0; \
|
||||
mov r2,r12; \
|
||||
add r4,r0; \
|
||||
mov.l r1,@r0; \
|
||||
bra .Lpseudo_end; \
|
||||
mov _IMM1,r0; \
|
||||
.align 2; \
|
||||
0: .long _GLOBAL_OFFSET_TABLE_; \
|
||||
1: .long SYSCALL_ERROR_ERRNO@GOTTPOFF
|
||||
# else
|
||||
# define SYSCALL_ERROR_HANDLER \
|
||||
neg r0,r1; \
|
||||
mov.l r12,@-r15; \
|
||||
mov.l r1,@-r15; \
|
||||
mov.l 0f,r12; \
|
||||
mova 0f,r0; \
|
||||
add r0,r12; \
|
||||
sts.l pr,@-r15; \
|
||||
mov.l 1f,r1; \
|
||||
bsrf r1; \
|
||||
nop; \
|
||||
2: lds.l @r15+,pr; \
|
||||
mov.l @r15+,r1; \
|
||||
mov.l r1,@r0; \
|
||||
mov.l @r15+,r12; \
|
||||
bra .Lpseudo_end; \
|
||||
mov _IMM1,r0; \
|
||||
.align 2; \
|
||||
0: .long _GLOBAL_OFFSET_TABLE_; \
|
||||
1: .long PLTJMP(C_SYMBOL_NAME(__errno_location))-(2b+2-.)
|
||||
/* A quick note: it is assumed that the call to `__errno_location' does
|
||||
not modify the stack! */
|
||||
# endif
|
||||
# else
|
||||
/* Store (-r0) into errno through the GOT. */
|
||||
# define SYSCALL_ERROR_HANDLER \
|
||||
neg r0,r1; \
|
||||
mov r12,r2; \
|
||||
mov.l 0f,r12; \
|
||||
mova 0f,r0; \
|
||||
add r0,r12; \
|
||||
mov.l 1f,r0; \
|
||||
mov.l @(r0,r12),r0; \
|
||||
mov r2,r12; \
|
||||
mov.l r1,@r0; \
|
||||
bra .Lpseudo_end; \
|
||||
mov _IMM1,r0; \
|
||||
.align 2; \
|
||||
0: .long _GLOBAL_OFFSET_TABLE_; \
|
||||
1: .long errno@GOT
|
||||
# endif /* _LIBC_REENTRANT */
|
||||
#endif /* PIC */
|
||||
|
||||
#define SYSCALL_INST0 trapa #0x10
|
||||
#define SYSCALL_INST1 trapa #0x11
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 1999, 2000, 2002 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1999, 2000, 2002, 2003 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
@ -39,28 +39,8 @@ ENTRY (__vfork)
|
||||
mov.w .L1, r1
|
||||
cmp/eq r1, r0
|
||||
bt 2f
|
||||
mov.l .L2, r1
|
||||
#ifdef SHARED
|
||||
mov r0, r4
|
||||
mov.l r12, @-r15
|
||||
sts.l pr, @-r15
|
||||
mov.l 0f, r12
|
||||
mova 0f, r0
|
||||
add r0, r12
|
||||
mova .L2, r0
|
||||
add r0, r1
|
||||
jsr @r1
|
||||
bra .Lsyscall_error
|
||||
nop
|
||||
lds.l @r15+, pr
|
||||
rts
|
||||
mov.l @r15+, r12
|
||||
.align 2
|
||||
0:
|
||||
.long _GLOBAL_OFFSET_TABLE_
|
||||
#else
|
||||
jmp @r1
|
||||
mov r0, r4
|
||||
#endif
|
||||
.L1:
|
||||
.word -ENOSYS
|
||||
.L3: .word __NR_vfork
|
||||
@ -78,33 +58,10 @@ ENTRY (__vfork)
|
||||
shad r2, r1
|
||||
not r1, r1 // r1=0 means r0 = -1 to -4095
|
||||
tst r1, r1 // i.e. error in linux
|
||||
bf 1f
|
||||
mov.l .L2, r1
|
||||
#ifdef SHARED
|
||||
mov r0, r4
|
||||
mov.l r12, @-r15
|
||||
sts.l pr, @-r15
|
||||
mov.l 0f, r12
|
||||
mova 0f, r0
|
||||
add r0, r12
|
||||
mova .L2, r0
|
||||
add r0, r1
|
||||
jsr @r1
|
||||
nop
|
||||
lds.l @r15+, pr
|
||||
rts
|
||||
mov.l @r15+, r12
|
||||
.align 2
|
||||
0:
|
||||
.long _GLOBAL_OFFSET_TABLE_
|
||||
#else
|
||||
jmp @r1
|
||||
mov r0, r4
|
||||
#endif
|
||||
.align 2
|
||||
.L2:
|
||||
.long PLTJMP(C_SYMBOL_NAME(__syscall_error))
|
||||
1:
|
||||
bf .Lpseudo_end
|
||||
.Lsyscall_error:
|
||||
SYSCALL_ERROR_HANDLER
|
||||
.Lpseudo_end:
|
||||
rts
|
||||
nop
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user