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openbsd updates (thanks Pascal Stumpf)

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R=rsc
http://codereview.appspot.com/6401049
This commit is contained in:
Russ Cox 2012-07-14 10:16:54 -04:00
parent c934984537
commit 20f5692b7f
8 changed files with 82 additions and 138 deletions
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37
src/libthread/OpenBSD-power-asm.S
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@ -1,6 +1,3 @@
#include <sys/syscall.h>
#include <machine/asm.h>
ENTRY(_tas)
li %r0, 0
mr %r4, %r3
@ -89,37 +86,3 @@ ENTRY(_setmcontext)
lwz %r3, 6*4(%r3)
blr
ENTRY(rfork_thread)
/* sanity check */
cmpwi %r4, 0
beq 1f
cmpwi %r5, 0
beq 1f
mr %r7,%r4
/* call rfork */
li %r0, SYS_rfork
sc
cmpwi %r0, 0
bne 2f
/* check if we are parent or child */
cmpwi %r3, 0
bnelr
/* child */
mtlr %r5 /* fp */
mr %r3, %r6 /* arg */
mr %r1, %r7 /* new sp */
blrl
/* child returned, call _exit */
li %r0, SYS_exit
sc
1:
li %r3, -1
2:
b PIC_PLT(_C_LABEL(__cerror))