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authorRoland McGrath <roland@gnu.org>2003-03-10 21:04:29 +0000
committerRoland McGrath <roland@gnu.org>2003-03-10 21:04:29 +0000
commit4fba8a3b3de9c25468b7d1e2ab4450b977a6703e (patch)
tree169f6d1d3e3dac9c1707d8e67dea28e4fc5d0a76 /sysdeps
parentc915e5ad561865f92ce52234f52b5d5e88c3f56b (diff)
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2003-03-10 Steven Munroe <sjmunroe@us.ibm.com>
        * sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S: Don't clobber R7.
	Copy extra params for NPTL to registers used in clone syscall.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S11
1 files changed, 8 insertions, 3 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S
index 97e27f3fbf..534a1bd12d 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S
@@ -28,7 +28,8 @@
    all the freaky stuff we have to do to make the call useful.  */
 
 /* int [r3] clone(int (*fn)(void *arg) [r3], void *child_stack [r4],
-   		  int flags [r5], void *arg [r6]); */
+                  int flags [r5], void *arg [r6], void *parent_tid [r7],
+                  void *tls [r8], void *child_tid [r9]); */
 
 ENTRY (BP_SYM (__clone))
 	/* GKM FIXME: add bounds checks, where sensible.  */
@@ -37,8 +38,8 @@ ENTRY (BP_SYM (__clone))
 
 	/* Check for child_stack == NULL || fn == NULL.  */
 	cmpdi	cr0,r4,0
-	ld	r7,0(r3)
-	cmpdi	cr1,r7,0
+	ld	r0,0(r3)
+	cmpdi	cr1,r0,0
 	cror	cr0*4+eq,cr1*4+eq,cr0*4+eq
 	beq-	cr0,L(badargs)
 
@@ -61,6 +62,10 @@ ENTRY (BP_SYM (__clone))
 	/* 'flags' argument is first parameter to clone syscall. (The other
 	   argument is the stack pointer, already in r4.)  */
 	mr	r3,r5
+  /* Move the parent_tid, child_tid and tls arguments. */
+	mr	r5,r7
+	mr	r6,r8
+	mr	r7,r9
 
 	/* Do the call.  */
 	DO_CALL(SYS_ify(clone))