-#if defined(__ppc__) || defined(__ppc64__)
-
- .data
- .globl __current_pid
- .align 2
-__current_pid:
- .long 0
-
-MI_ENTRY_POINT(___getpid)
-#if defined(__DYNAMIC__)
- mflr r0 // note we cannot use MI_GET_ADDRESS...
- bcl 20,31,1f // ...because we define __current_pid
-1:
- mflr r5
- mtlr r0
- addis r5, r5, ha16(__current_pid - 1b)
- addi r5, r5, lo16(__current_pid - 1b)
-#else
- lis r5,hi16(__current_pid)
- ori r5,r5,lo16(__current_pid)
-#endif
- lwz r3,0(r5) // get the cached pid
- cmpwi r3,0 // if positive,
- bgtlr++ // return it
-
- SYSCALL_NONAME(getpid, 0)
-
- lwarx r4,0,r5 // see if we can cache it
- cmpwi r4,0 // we can't if there are any...
- blt-- 1f // ...vforks in progress
-
- stwcx. r3,0,r5 // ignore cache conflicts
- blr
-1:
- li r6,-4 // on 970, cancel the reservation using red zone...
- stwcx. r3,r6,r1 // ...to avoid an errata
- blr
-
-#elif defined(__i386__)