diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/clone.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/clone.S | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/clone.S b/sysdeps/unix/sysv/linux/powerpc/clone.S index 69d2c5f586..d5703d6bb8 100644 --- a/sysdeps/unix/sysv/linux/powerpc/clone.S +++ b/sysdeps/unix/sysv/linux/powerpc/clone.S @@ -1,5 +1,5 @@ /* Wrapper around clone system call. - Copyright (C) 1997, 1998 Free Software Foundation, Inc. + Copyright (C) 1997, 1998, 1999 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 @@ -29,58 +29,58 @@ ENTRY(__clone) /* Check for child_stack == NULL || fn == NULL. */ - cmpwi %cr0,%r4,0 - cmpwi %cr1,%r3,0 + cmpwi cr0,r4,0 + cmpwi cr1,r3,0 cror cr0*4+eq,cr1*4+eq,cr0*4+eq - beq- %cr0,L(badargs) + beq- cr0,L(badargs) /* Set up stack frame for parent. */ - stwu %r1,-32(%r1) - stmw %r29,16(%r1) + stwu r1,-32(r1) + stmw r29,16(r1) /* Set up stack frame for child. */ - clrrwi %r4,%r4,4 - li %r0,0 - stwu %r0,-16(%r4) + clrrwi r4,r4,4 + li r0,0 + stwu r0,-16(r4) /* Save fn, args, stack across syscall. */ - mr %r29,%r3 /* Function in r29. */ - mr %r30,%r4 /* Stack pointer in r30. */ - mr %r31,%r6 /* Argument in r31. */ + mr r29,r3 /* Function in r29. */ + mr r30,r4 /* Stack pointer in r30. */ + mr r31,r6 /* Argument in r31. */ /* 'flags' argument is first parameter to clone syscall. (The other argument is the stack pointer, already in r4.) */ - mr %r3,%r5 + mr r3,r5 /* Do the call. */ DO_CALL(SYS_ify(clone)) /* Check for child process. */ - cmpwi %cr1,%r3,0 + cmpwi cr1,r3,0 crandc cr1*4+eq,cr1*4+eq,cr0*4+so - bne- %cr1,L(parent) /* The '-' is to minimise the race. */ + bne- cr1,L(parent) /* The '-' is to minimise the race. */ /* On at least mklinux DR3a5, clone() doesn't actually change the stack pointer. I'm pretty sure this is a bug, because it adds a race condition if a signal is sent to a thread just after it is created (in the previous three instructions). */ - mr %r1,%r30 + mr r1,r30 /* Call procedure. */ - mtctr %r29 - mr %r3,%r31 + mtctr r29 + mr r3,r31 bctrl /* Call _exit with result from procedure. */ b JUMPTARGET(_exit) L(parent): /* Parent. Restore registers & return. */ - lmw %r29,16(%r1) - addi %r1,%r1,32 + lmw r29,16(r1) + addi r1,r1,32 bnslr+ b JUMPTARGET(__syscall_error) L(badargs): - li %r3,EINVAL + li r3,EINVAL b JUMPTARGET(__syscall_error) END (__clone) |