[parisc-linux-cvs] Patch to fix clone system call

[John Marvin]

Here's a patch that I am committing to fix the clone system call.
This is the kernel part only.

John

--- entry.S.old	Fri Feb  9 00:27:33 2001
+++ entry.S	Fri Feb  9 05:54:44 2001
@@ -1769,8 +1769,8 @@ sys_fork_wrapper:
 	   also syscall-clobbered (we hope). */
 	STREG	%r2,PT_GR19(%r1)	/* save for child */
 	STREG	%r30,PT_GR20(%r1)
-	ldil	L%child_return, %r3
-	ldo	R%child_return(%r3), %r3
+	ldil    L%child_return,%r3
+	ldo     R%child_return(%r3),%r3
 	LDIL_FIXUP(%r3)
 	STREG	%r3,PT_GR21(%r1)	/* save for child */
 
@@ -1807,17 +1807,18 @@ sys_clone_wrapper:
 	ldo	-16(%r30),%r29		/* Reference param save area */
 #endif
 
+	STREG	%r2,PT_GR19(%r1)	/* save for child */
 	STREG	%r30,PT_GR20(%r1)
 	ldil	L%child_return,%r3
 	ldo	R%child_return(%r3),%r3
 	LDIL_FIXUP(%r3)
+	STREG	%r3,PT_GR21(%r1)	/* save for child */
 
 	bl	sys_clone,%r2
-	STREG	%r3,PT_GR21(%r1)	/* save for child */
+	copy	%r1,%r24
 
 	b	wrapper_exit
 	LDREG	-RP_OFFSET-FRAME_SIZE(%r30),%r2
-
 
 	.export sys_vfork_wrapper
 sys_vfork_wrapper:
--- process.c.old	Fri Feb  9 03:22:06 2001
+++ process.c	Fri Feb  9 03:28:50 2001
@@ -318,6 +318,7 @@ copy_thread(int nr, unsigned long clone_
 		cregs->ksp = ((unsigned long)(p))
 			+ (pregs->gr[20] & (INIT_TASK_SIZE - 1));
 		cregs->kpc = pregs->gr[21];
+		cregs->gr[30] = usp;
 	}
 
 	return 0;