* descr.h (struct pthread): Move the union out of [!TLS_DTV_AT_TP], so

we always define the padding space.
	[!TLS_DTV_AT_TP]: Give tcbhead_t field a name, `header', since GCC
	stopped supporting its own extensions fully.
	[TLS_MULTIPLE_THREADS_IN_TCB]: Put `multiple_threads' inside a wrapper
	struct also called `header', so `header.multiple_threads' is the field
	name to use on all machines.
	* allocatestack.c (allocate_stack): Use `header.' prefix.
	* sysdeps/pthread/createthread.c (create_thread): Likewise.
	* pthread_create.c (__pthread_create_2_1): Likewise.
	* sysdeps/i386/tls.h (INSTALL_NEW_DTV, THREAD_DTV): Likewise.
	(THREAD_SELF): Likewise.
	* sysdeps/x86_64/tls.h: Likewise.
	* sysdeps/unix/sysv/linux/i386/sysdep-cancel.h
	(SINGLE_THREAD_P): Likewise.
	* sysdeps/unix/sysv/linux/sh/sysdep-cancel.h
	(SINGLE_THREAD_P): Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h
	(SINGLE_THREAD_P): Likewise.

	* sysdeps/s390/td_ta_map_lwp2thr.c (td_ta_map_lwp2thr): Use REGS[18]
	value directly.
This commit is contained in:
Roland McGrath 2003-03-14 22:34:30 +00:00
parent 55c11fbdb0
commit 5228750594
3 changed files with 28 additions and 5 deletions

View File

@ -1,3 +1,28 @@
2003-03-14 Roland McGrath <roland@redhat.com>
* descr.h (struct pthread): Move the union out of [!TLS_DTV_AT_TP], so
we always define the padding space.
[!TLS_DTV_AT_TP]: Give tcbhead_t field a name, `header', since GCC
stopped supporting its own extensions fully.
[TLS_MULTIPLE_THREADS_IN_TCB]: Put `multiple_threads' inside a wrapper
struct also called `header', so `header.multiple_threads' is the field
name to use on all machines.
* allocatestack.c (allocate_stack): Use `header.' prefix.
* sysdeps/pthread/createthread.c (create_thread): Likewise.
* pthread_create.c (__pthread_create_2_1): Likewise.
* sysdeps/i386/tls.h (INSTALL_NEW_DTV, THREAD_DTV): Likewise.
(THREAD_SELF): Likewise.
* sysdeps/x86_64/tls.h: Likewise.
* sysdeps/unix/sysv/linux/i386/sysdep-cancel.h
(SINGLE_THREAD_P): Likewise.
* sysdeps/unix/sysv/linux/sh/sysdep-cancel.h
(SINGLE_THREAD_P): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h
(SINGLE_THREAD_P): Likewise.
* sysdeps/s390/td_ta_map_lwp2thr.c (td_ta_map_lwp2thr): Use REGS[18]
value directly.
2003-03-14 Ulrich Drepper <drepper@redhat.com>
* pthread_create.c (start_thread): setjmp is expected to return 0.

View File

@ -35,10 +35,8 @@ td_ta_map_lwp2thr (const td_thragent_t *ta, lwpid_t lwpid, td_thrhandle_t *th)
if (ps_lgetregs (ta->ph, lwpid, regs) != PS_OK)
return TD_ERR;
/* Get the thread area for the addressed thread. */
if (ps_get_thread_area (ta->ph, lwpid, regs[18] >> 3, &th->th_unique)
!= PS_OK)
return TD_ERR; /* XXX Other error value? */
/* S390 thread register is ACR0, aka register 18. */
th->th_unique = (void *) regs[18];
/* Found it. Now complete the `td_thrhandle_t' object. */
th->th_ta_p = (td_thragent_t *) ta;

View File

@ -41,7 +41,7 @@ td_thr_tls_get_addr (const td_thrhandle_t *th __attribute__ ((unused)),
psaddr_t dtvpp = th->th_unique;
#if TLS_TCB_AT_TP
dtvpp += offsetof (struct pthread, dtv);
dtvpp += offsetof (struct pthread, header.dtv);
#elif TLS_DTV_AT_TP
dtvpp += TLS_PRE_TCB_SIZE + offsetof (tcbhead_t, dtv);
#else