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authorJakub Jelinek <jakub@redhat.com>2004-12-07 14:20:59 +0000
committerJakub Jelinek <jakub@redhat.com>2004-12-07 14:20:59 +0000
commit94db64842447989c08e55d9c78328a5b4c544241 (patch)
treefd0bac340acc891d0db8299399b5cdbdc7eed190 /sysdeps
parent37756a838922d080448793aa5ab5e90c5aba78c1 (diff)
* sysdeps/unix/sysv/linux/ia64/clone2.S (__clone2): Add support for
NPTL where the PID is stored at userlevel and needs to be reset when CLONE_THREAD is not used. nptl/ * sysdeps/ia64/tcb-offsets.sym (TID): Add. * sysdeps/unix/sysv/linux/ia64/clone2.S: New file. * Makefile (tests): Add tst-getpid2.c. * tst-getpid1.c (TEST_CLONE_FLAGS): Define. (do_test): Use it. Use __clone2 instead of clone on ia64. * tst-getpid2.c: New test.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/unix/sysv/linux/ia64/clone2.S18
1 files changed, 17 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/ia64/clone2.S b/sysdeps/unix/sysv/linux/ia64/clone2.S
index af5e009be4..136bb5591a 100644
--- a/sysdeps/unix/sysv/linux/ia64/clone2.S
+++ b/sysdeps/unix/sysv/linux/ia64/clone2.S
@@ -67,7 +67,23 @@ ENTRY(__clone2)
(CHILD) mov out0=in4 /* Pass proper argument to fn */
(PARENT) ret
;;
- ld8 gp=[in0] /* Load function gp. */
+#ifdef RESET_PID
+ tbit.nz p6,p0=in3,16 /* CLONE_THREAD */
+ tbit.z p7,p10=in3,8 /* CLONE_VM */
+(p6) br.cond.dptk 1f
+ ;;
+ mov r15=SYS_ify (getpid)
+(p10) addl r8=-1,r0
+(p7) break __BREAK_SYSCALL
+ ;;
+ add r9=PID,r13
+ add r10=TID,r13
+ ;;
+ st4 [r9]=r8
+ st4 [r10]=r8
+ ;;
+#endif
+1: ld8 gp=[in0] /* Load function gp. */
mov b6=out1
br.call.dptk.many rp=b6 /* Call fn(arg) in the child */
;;