X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/2d21ac55c334faf3a56e5634905ed6987fc787d4..13f56ec4e58bf8687e2a68032c093c0213dd519b:/libsyscall/custom/__getpid.s?ds=sidebyside

diff --git a/libsyscall/custom/__getpid.s b/libsyscall/custom/__getpid.s
index a6cc5a5f4..48c85313c 100644
--- a/libsyscall/custom/__getpid.s
+++ b/libsyscall/custom/__getpid.s
@@ -28,45 +28,7 @@
 
 #include "SYS.h"
 
-#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__)
+#if defined(__i386__)
 
 	.data
 	.private_extern __current_pid
@@ -135,51 +97,6 @@ LEAF(___getpid, 0)
 	movl		%edx, %eax
 	ret
 
-#elif defined(__arm__)
-
-#include <arm/arch.h>
-	
-	.data
-	.globl	__current_pid
-	.align 2
-__current_pid:
-	/* Cached pid.  Possible values:
-	 *	0:		no value cached
-	 *	> 0:		cached PID of current process
-	 *	< 0:		negative number of vforks in progress
-	 *	INT_MIN:	for pre-ARMv6, "looking" value (0x80000000)
-	 */
-	.long 0
-
-MI_ENTRY_POINT(_getpid)
-	ldr	r3, L__current_pid
-L1:	add	r3, pc, r3		// r3 = &__current_pid
-	ldr	r0, [r3]		// get the cached pid
-	cmp	r0, #0
-	bxgt	lr			// if positive, return it
-
-	SYSCALL_NONAME(getpid, 0)
-
-#ifdef _ARM_ARCH_6
-	ldrex	r2, [r3]		// see if we can cache it
-	cmp	r2, #0			// we can't if there are any...
-	bxlt	lr			// ...vforks in progress
-	strex	r2, r0, [r3]		// ignore conflicts
-#else
-	mov	r1, #0x80000000		// load "looking" value
-	swp	r2, r1, [r3]		// look at the value, lock others out
-	cmp	r2, r1			// anyone else trying to look?
-	bxeq	lr			// yes, so return immediately/	
-	cmp	r2, #0			// see if we can cache it
-	streq	r0, [r3]		// if zero, we can
-	strne	r2, [r3]		// otherwise restore previous value
-#endif
-		
-	bx	lr
-				
-L__current_pid:	
-	.long	__current_pid - (L1+8)		
-
 #else
 #error Unsupported architecture
 #endif