svn commit: trunk/uClibc/libpthread/linuxthreads.old: sysdeps sysdeps/ia64
vapier at uclibc.org
vapier at uclibc.org
Mon Feb 27 05:36:34 UTC 2006
Author: vapier
Date: 2006-02-26 21:36:31 -0800 (Sun, 26 Feb 2006)
New Revision: 14305
Log:
import ia64 linuxthreads files
Added:
trunk/uClibc/libpthread/linuxthreads.old/sysdeps/ia64/
trunk/uClibc/libpthread/linuxthreads.old/sysdeps/ia64/pt-machine.h
trunk/uClibc/libpthread/linuxthreads.old/sysdeps/ia64/tls.h
Modified:
trunk/uClibc/libpthread/linuxthreads.old/manager.c
trunk/uClibc/libpthread/linuxthreads.old/pthread.c
Changeset:
Modified: trunk/uClibc/libpthread/linuxthreads.old/manager.c
===================================================================
--- trunk/uClibc/libpthread/linuxthreads.old/manager.c 2006-02-27 05:22:57 UTC (rev 14304)
+++ trunk/uClibc/libpthread/linuxthreads.old/manager.c 2006-02-27 05:36:31 UTC (rev 14305)
@@ -583,9 +583,16 @@
__pthread_lock(new_thread->p_lock, NULL);
/* We have to report this event. */
+#ifdef __ia64__
+ pid = __clone2(pthread_start_thread_event, (void **) new_thread,
+ (char *)new_thread - new_thread_bottom,
+ CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND |
+ __pthread_sig_cancel, new_thread);
+#else
pid = clone(pthread_start_thread_event, (void **) new_thread,
CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND |
__pthread_sig_cancel, new_thread);
+#endif
saved_errno = errno;
if (pid != -1)
@@ -614,9 +621,16 @@
if (pid == 0)
{
PDEBUG("cloning new_thread = %p\n", new_thread);
+#ifdef __ia64__
+ pid = __clone2(pthread_start_thread, (void **) new_thread,
+ (char *)new_thread - new_thread_bottom,
+ CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND |
+ __pthread_sig_cancel, new_thread);
+#else
pid = clone(pthread_start_thread, (void **) new_thread,
CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND |
__pthread_sig_cancel, new_thread);
+#endif
saved_errno = errno;
}
/* Check if cloning succeeded */
Modified: trunk/uClibc/libpthread/linuxthreads.old/pthread.c
===================================================================
--- trunk/uClibc/libpthread/linuxthreads.old/pthread.c 2006-02-27 05:22:57 UTC (rev 14304)
+++ trunk/uClibc/libpthread/linuxthreads.old/pthread.c 2006-02-27 05:36:31 UTC (rev 14305)
@@ -528,10 +528,18 @@
__pthread_lock(__pthread_manager_thread.p_lock, NULL);
+#ifdef __ia64__
+ pid = __clone2(__pthread_manager_event,
+ (void **) __pthread_manager_thread_tos,
+ THREAD_MANAGER_STACK_SIZE,
+ CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND,
+ (void *)(long)manager_pipe[0]);
+#else
pid = clone(__pthread_manager_event,
(void **) __pthread_manager_thread_tos,
CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND,
(void *)(long)manager_pipe[0]);
+#endif
if (pid != -1)
{
@@ -555,9 +563,16 @@
}
if (pid == 0) {
+#ifdef __ia64__
+ pid = __clone2(__pthread_manager, (void **) __pthread_manager_thread_tos,
+ THREAD_MANAGER_STACK_SIZE,
+ CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND,
+ (void *)(long)manager_pipe[0]);
+#else
pid = clone(__pthread_manager, (void **) __pthread_manager_thread_tos,
CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND,
(void *)(long)manager_pipe[0]);
+#endif
}
if (pid == -1) {
free(__pthread_manager_thread_bos);
Added: trunk/uClibc/libpthread/linuxthreads.old/sysdeps/ia64/pt-machine.h
===================================================================
--- trunk/uClibc/libpthread/linuxthreads.old/sysdeps/ia64/pt-machine.h 2006-02-27 05:22:57 UTC (rev 14304)
+++ trunk/uClibc/libpthread/linuxthreads.old/sysdeps/ia64/pt-machine.h 2006-02-27 05:36:31 UTC (rev 14305)
@@ -0,0 +1,136 @@
+/* Machine-dependent pthreads configuration and inline functions.
+ IA-64 version.
+ Copyright (C) 1999, 2000, 2002, 2003, 2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _PT_MACHINE_H
+#define _PT_MACHINE_H 1
+
+#include <ia64intrin.h>
+
+extern int __clone2 (int (*__fn) (void *__arg), void *__child_stack_base,
+ size_t __child_stack_size, int __flags, void *__arg, ...);
+
+#ifndef PT_EI
+# define PT_EI extern inline __attribute__ ((always_inline))
+#endif
+
+extern long int testandset (int *spinlock);
+extern int __compare_and_swap (long int *p, long int oldval, long int newval);
+
+/* Make sure gcc doesn't try to be clever and move things around on
+ us. We need to use _exactly_ the address the user gave us, not some
+ alias that contains the same information. */
+#define __atomic_fool_gcc(x) (*(volatile struct { int a[100]; } *)x)
+
+#ifndef ELF_MACHINE_NAME
+
+#define NEED_SEPARATE_REGISTER_STACK
+
+/* We want the OS to assign stack addresses. */
+#define FLOATING_STACKS 1
+
+/* Maximum size of the stack if the rlimit is unlimited. */
+#define ARCH_STACK_MAX_SIZE 32*1024*1024
+
+/* Get some notion of the current stack. Need not be exactly the top
+ of the stack, just something somewhere in the current frame.
+ r12 (sp) is the stack pointer. */
+#define CURRENT_STACK_FRAME stack_pointer
+register char *stack_pointer __asm__ ("sp");
+
+
+/* Register r13 (tp) is reserved by the ABI as "thread pointer". */
+struct _pthread_descr_struct;
+register struct _pthread_descr_struct *__thread_self __asm__("r13");
+
+/* Return the thread descriptor for the current thread. */
+#define THREAD_SELF __thread_self
+
+/* Initialize the thread-unique value. */
+#define INIT_THREAD_SELF(descr, nr) (__thread_self = (descr))
+
+
+/* Access to data in the thread descriptor is easy. */
+#define THREAD_GETMEM(descr, member) \
+ ((void) sizeof (descr), THREAD_SELF->member)
+#define THREAD_GETMEM_NC(descr, member) \
+ ((void) sizeof (descr), THREAD_SELF->member)
+#define THREAD_SETMEM(descr, member, value) \
+ ((void) sizeof (descr), THREAD_SELF->member = (value))
+#define THREAD_SETMEM_NC(descr, member, value) \
+ ((void) sizeof (descr), THREAD_SELF->member = (value))
+
+
+/* Memory barrier */
+#define MEMORY_BARRIER() __sync_synchronize ()
+
+
+#define HAS_COMPARE_AND_SWAP_WITH_RELEASE_SEMANTICS
+
+PT_EI int
+__compare_and_swap (long int *p, long int oldval, long int newval)
+{
+ long int readval;
+
+ __asm__ __volatile__
+ ("mov ar.ccv=%4;;\n\t"
+ "cmpxchg8.acq %0=%1,%2,ar.ccv"
+ : "=r" (readval), "=m" (__atomic_fool_gcc (p))
+ : "r"(newval), "m" (__atomic_fool_gcc (p)), "r" (oldval)
+ : "memory");
+ return readval == oldval;
+}
+
+PT_EI int
+__compare_and_swap_with_release_semantics (long int *p,
+ long int oldval,
+ long int newval)
+{
+ long int readval;
+
+ __asm__ __volatile__
+ ("mov ar.ccv=%4;;\n\t"
+ "cmpxchg8.rel %0=%1,%2,ar.ccv"
+ : "=r" (readval), "=m" (__atomic_fool_gcc (p))
+ : "r"(newval), "m" (__atomic_fool_gcc (p)), "r" (oldval)
+ : "memory");
+ return readval == oldval;
+}
+
+#endif /* ELF_MACHINE_NAME */
+
+/* Spinlock implementation; required. */
+PT_EI long int
+testandset (int *spinlock)
+{
+ long int ret;
+
+ __asm__ __volatile__(
+ "xchg4 %0=%1,%2"
+ : "=r"(ret), "=m"(__atomic_fool_gcc (spinlock))
+ : "r"(1), "m"(__atomic_fool_gcc (spinlock))
+ : "memory");
+
+ return ret;
+}
+
+/* Indicate that we are looping. */
+#define BUSY_WAIT_NOP __asm__ ("hint @pause")
+
+#endif /* pt-machine.h */
Added: trunk/uClibc/libpthread/linuxthreads.old/sysdeps/ia64/tls.h
===================================================================
--- trunk/uClibc/libpthread/linuxthreads.old/sysdeps/ia64/tls.h 2006-02-27 05:22:57 UTC (rev 14304)
+++ trunk/uClibc/libpthread/linuxthreads.old/sysdeps/ia64/tls.h 2006-02-27 05:36:31 UTC (rev 14305)
@@ -0,0 +1,139 @@
+/* Definitions for thread-local data handling. linuxthreads/IA-64 version.
+ Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _TLS_H
+#define _TLS_H
+
+#ifndef __ASSEMBLER__
+
+# include <pt-machine.h>
+# include <stdbool.h>
+# include <stddef.h>
+
+/* Type for the dtv. */
+typedef union dtv
+{
+ size_t counter;
+ struct
+ {
+ void *val;
+ bool is_static;
+ } pointer;
+} dtv_t;
+
+#else /* __ASSEMBLER__ */
+# include <tcb-offsets.h>
+#endif /* __ASSEMBLER__ */
+
+#ifdef HAVE_TLS_SUPPORT
+
+/* Signal that TLS support is available. */
+# define USE_TLS 1
+
+# ifndef __ASSEMBLER__
+
+typedef struct
+{
+ dtv_t *dtv;
+ void *private;
+} tcbhead_t;
+
+/* This is the size of the initial TCB. */
+# define TLS_INIT_TCB_SIZE sizeof (tcbhead_t)
+
+/* Alignment requirements for the initial TCB. */
+# define TLS_INIT_TCB_ALIGN __alignof__ (tcbhead_t)
+
+/* This is the size of the TCB. */
+# define TLS_TCB_SIZE sizeof (tcbhead_t)
+
+/* This is the size we need before TCB. */
+# define TLS_PRE_TCB_SIZE sizeof (struct _pthread_descr_struct)
+
+/* Alignment requirements for the TCB. */
+# define TLS_TCB_ALIGN __alignof__ (struct _pthread_descr_struct)
+
+/* The DTV is allocated at the TP; the TCB is placed elsewhere. */
+# define TLS_DTV_AT_TP 1
+
+/* Install the dtv pointer. The pointer passed is to the element with
+ index -1 which contain the length. */
+# define INSTALL_DTV(tcbp, dtvp) \
+ ((tcbhead_t *) (tcbp))->dtv = (dtvp) + 1
+
+/* Install new dtv for current thread. */
+# define INSTALL_NEW_DTV(DTV) \
+ (((tcbhead_t *)__thread_self)->dtv = (DTV))
+
+/* Return dtv of given thread descriptor. */
+# define GET_DTV(tcbp) \
+ (((tcbhead_t *) (tcbp))->dtv)
+
+#if defined NEED_DL_SYSINFO
+# define INIT_SYSINFO \
+ (((tcbhead_t *) __thread_self)->private = (void *) GLRO(dl_sysinfo))
+#else
+# define INIT_SYSINFO 0
+#endif
+
+/* Code to initially initialize the thread pointer. This might need
+ special attention since 'errno' is not yet available and if the
+ operation can cause a failure 'errno' must not be touched. */
+# define TLS_INIT_TP(tcbp, secondcall) \
+ (__thread_self = (__typeof (__thread_self)) (tcbp), INIT_SYSINFO, NULL)
+
+/* Return the address of the dtv for the current thread. */
+# define THREAD_DTV() \
+ (((tcbhead_t *)__thread_self)->dtv)
+
+/* Return the thread descriptor for the current thread. */
+# undef THREAD_SELF
+# define THREAD_SELF (__thread_self - 1)
+
+# undef INIT_THREAD_SELF
+# define INIT_THREAD_SELF(descr, nr) \
+ (__thread_self = (struct _pthread_descr_struct *)(descr) + 1)
+
+# define TLS_MULTIPLE_THREADS_IN_TCB 1
+
+# endif
+
+#else
+
+# ifndef __ASSEMBLER__
+
+typedef struct
+{
+ void *tcb;
+ dtv_t *dtv;
+ void *self;
+ int multiple_threads;
+} tcbhead_t;
+
+# define NONTLS_INIT_TP \
+ do { \
+ static const tcbhead_t nontls_init_tp = { .multiple_threads = 0 }; \
+ __thread_self = (__typeof (__thread_self)) &nontls_init_tp; \
+ } while (0)
+
+#endif
+
+#endif /* USE_TLS */
+
+#endif /* tls.h */
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