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Update.

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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
2003-01-05 11:26:28 +00:00
parent bdee30cfe4
commit bbd1745596
10 changed files with 223 additions and 225 deletions
Download Patch File Download Diff File Expand all files Collapse all files

60
sysdeps/unix/sysv/linux/sh/clone.S
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@ -1,4 +1,4 @@
/* Copyright (C) 1999, 2000 Free Software Foundation, Inc.
/* Copyright (C) 1999, 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
@ -32,27 +32,9 @@ ENTRY(__clone)
bf/s 1f
tst r5, r5
bf/s 1f
mov.l .L1, r1
#ifdef SHARED
mov.l r12, @-r15
sts.l pr, @-r15
mov.l .LG, r12
mova .LG, r0
add r0, r12
mova .L1, r0
add r0, r1
jsr @r1
mov #-EINVAL, r4
lds.l @r15+, pr
rts
mov.l @r15+, r12
#else
jmp @r1
mov #-EINVAL, r4
#endif
.align 2
.L1:
.long PLTJMP(C_SYMBOL_NAME(__syscall_error))
mov #-EINVAL,r0
bra .Lsyscall_error
nop
1:
/* insert the args onto the new stack */
mov.l r7, @-r5
@ -68,36 +50,16 @@ ENTRY(__clone)
shad r2, r1
not r1, r1 // r1=0 means r0 = -1 to -4095
tst r1, r1 // i.e. error in linux
bf 2f
mov.l .L2, r1
#ifdef SHARED
mov r0, r4
mov.l r12, @-r15
sts.l pr, @-r15
mov.l .LG, r12
mova .LG, r0
add r0, r12
mova .L2, r0
add r0, r1
jsr @r1
nop
lds.l @r15+, pr
rts
mov.l @r15+, r12
#else
jmp @r1
mov r0, r4
#endif
.align 2
.L2:
.long PLTJMP(C_SYMBOL_NAME(__syscall_error))
2:
bf .Lclone_end
.Lsyscall_error:
SYSCALL_ERROR_HANDLER
.Lclone_end:
tst r0, r0
bt 3f
bt 2f
.Lpseudo_end:
rts
nop
3:
2:
/* thread starts */
mov.l @r15, r1
jsr @r1