diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | nptl/ChangeLog | 10 | ||||
| -rw-r--r-- | nptl/Makefile | 2 | ||||
| -rw-r--r-- | nptl/sysdeps/ia64/tcb-offsets.sym | 1 | ||||
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/ia64/clone2.S | 2 | ||||
| -rw-r--r-- | nptl/tst-getpid1.c | 14 | ||||
| -rw-r--r-- | nptl/tst-getpid2.c | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/ia64/clone2.S | 25 |
8 files changed, 57 insertions, 5 deletions
@@ -1,3 +1,9 @@ +2004-12-07 Jakub Jelinek <jakub@redhat.com> + + * 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. Restore gp before calling _exit. + 2004-12-07 Kaz Kojima <kkojima@rr.iij4u.or.jp> * sysdeps/unix/sysv/linux/sh/clone.S: Clear the frame pointer when diff --git a/nptl/ChangeLog b/nptl/ChangeLog index 94764f1535..4cb92c9d78 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,3 +1,13 @@ +2004-12-07 Jakub Jelinek <jakub@redhat.com> + + * sysdeps/ia64/tcb-offsets.sym (TID): Add. + * sysdeps/unix/sysv/linux/ia64/clone2.S: New file. + + * Makefile (tests): Add tst-getpid2. + * tst-getpid1.c (TEST_CLONE_FLAGS): Define. + (do_test): Use it. Use __clone2 instead of clone on ia64. + * tst-getpid2.c: New test. + 2004-12-07 Kaz Kojima <kkojima@rr.iij4u.or.jp> * sysdeps/unix/sysv/linux/sh/clone.S: New file. diff --git a/nptl/Makefile b/nptl/Makefile index ecd5e52cdb..8149ef5ed4 100644 --- a/nptl/Makefile +++ b/nptl/Makefile @@ -241,7 +241,7 @@ tests = tst-attr1 tst-attr2 tst-attr3 \ tst-backtrace1 \ tst-oddstacklimit \ tst-vfork1 tst-vfork2 tst-vfork1x tst-vfork2x \ - tst-getpid1 + tst-getpid1 tst-getpid2 xtests = tst-setuid1 tst-setuid1-static # Files which must not be linked with libpthread. diff --git a/nptl/sysdeps/ia64/tcb-offsets.sym b/nptl/sysdeps/ia64/tcb-offsets.sym index 09ea70ddc7..f5108e0a9e 100644 --- a/nptl/sysdeps/ia64/tcb-offsets.sym +++ b/nptl/sysdeps/ia64/tcb-offsets.sym @@ -2,5 +2,6 @@ #include <tls.h> PID offsetof (struct pthread, pid) - sizeof (struct pthread) +TID offsetof (struct pthread, tid) - sizeof (struct pthread) MULTIPLE_THREADS_OFFSET offsetof (struct pthread, header.multiple_threads) - sizeof (struct pthread) SYSINFO_OFFSET offsetof (tcbhead_t, private) diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/clone2.S b/nptl/sysdeps/unix/sysv/linux/ia64/clone2.S new file mode 100644 index 0000000000..8664056f27 --- /dev/null +++ b/nptl/sysdeps/unix/sysv/linux/ia64/clone2.S @@ -0,0 +1,2 @@ +#define RESET_PID +#include <sysdeps/unix/sysv/linux/ia64/clone2.S> diff --git a/nptl/tst-getpid1.c b/nptl/tst-getpid1.c index 9d637159c4..061b48d735 100644 --- a/nptl/tst-getpid1.c +++ b/nptl/tst-getpid1.c @@ -5,6 +5,10 @@ #include <sys/types.h> #include <sys/wait.h> +#ifndef TEST_CLONE_FLAGS +#define TEST_CLONE_FLAGS 0 +#endif + static int sig; static int @@ -35,8 +39,16 @@ do_test (void) return 1; } +#ifdef __ia64__ + extern int __clone2 (int (*__fn) (void *__arg), void *__child_stack_base, + size_t __child_stack_size, int __flags, + void *__arg, ...); + char st[256 * 1024]; + pid_t p = __clone2 (f, st, sizeof (st), TEST_CLONE_FLAGS, 0); +#else char st[128 * 1024]; - pid_t p = clone (f, st + sizeof (st), 0, 0); + pid_t p = clone (f, st + sizeof (st), TEST_CLONE_FLAGS, 0); +#endif if (p == -1) { printf("clone failed: %m\n"); diff --git a/nptl/tst-getpid2.c b/nptl/tst-getpid2.c new file mode 100644 index 0000000000..fc98cb60db --- /dev/null +++ b/nptl/tst-getpid2.c @@ -0,0 +1,2 @@ +#define TEST_CLONE_FLAGS CLONE_VM +#include "tst-getpid1.c" diff --git a/sysdeps/unix/sysv/linux/ia64/clone2.S b/sysdeps/unix/sysv/linux/ia64/clone2.S index af5e009be4..69c9e05044 100644 --- a/sysdeps/unix/sysv/linux/ia64/clone2.S +++ b/sysdeps/unix/sysv/linux/ia64/clone2.S @@ -30,7 +30,7 @@ ENTRY(__clone2) .prologue - alloc r2=ar.pfs,8,0,6,0 + alloc r2=ar.pfs,8,1,6,0 cmp.eq p6,p0=0,in0 mov r8=EINVAL mov out0=in3 /* Flags are first syscall argument. */ @@ -63,15 +63,34 @@ ENTRY(__clone2) cmp.eq CHILD,PARENT=0,r8 /* Are we the child? */ (p6) br.cond.spnt.many __syscall_error ;; -(CHILD) ld8 out1=[in0],8 /* Retrieve code pointer. */ -(CHILD) mov out0=in4 /* Pass proper argument to fn */ +(CHILD) mov loc0=gp (PARENT) ret ;; +#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 out1=[in0],8 /* Retrieve code pointer. */ + mov out0=in4 /* Pass proper argument to fn */ + ;; ld8 gp=[in0] /* Load function gp. */ mov b6=out1 br.call.dptk.many rp=b6 /* Call fn(arg) in the child */ ;; mov out0=r8 /* Argument to _exit */ + mov gp=loc0 .globl HIDDEN_JUMPTARGET(_exit) br.call.dpnt.many rp=HIDDEN_JUMPTARGET(_exit) /* call _exit with result from fn. */ |