+2011-10-20 Carlos O'Donell <carlos@systemhalted.org>
+
+ * sysdeps/unix/sysv/linux/hppa/linuxthreads/aio_cancel.c: Remove.
+ * sysdeps/unix/sysv/linux/hppa/linuxthreads/bits/initspin.h: Remove.
+ * sysdeps/unix/sysv/linux/hppa/linuxthreads/bits/pthreadtypes.h: Remove.
+ * sysdeps/unix/sysv/linux/hppa/linuxthreads/malloc-machine.h: Remove.
+ * sysdeps/unix/sysv/linux/hppa/linuxthreads/pt-initfini.c: Remove.
+ * sysdeps/unix/sysv/linux/hppa/linuxthreads/sysdep-cancel.h: Remove.
+
2011-10-20 Carlos O'Donell <carlos@systemhalted.org>
* sysdeps/hppa/stackinfo.h: Update copyright year.
+++ /dev/null
-/* POSIX spinlock implementation. hppa version.
- Copyright (C) 2000 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. */
-
-#include <errno.h>
-#include <pthread.h>
-#include "internals.h"
-
-int
-__pthread_spin_lock (pthread_spinlock_t *lock)
-{
- volatile unsigned int *addr = __ldcw_align (lock);
-
- while (__ldcw (addr) == 0)
- while (*addr == 0) ;
-
- return 0;
-}
-weak_alias (__pthread_spin_lock, pthread_spin_lock)
-
-
-int
-__pthread_spin_trylock (pthread_spinlock_t *lock)
-{
- volatile unsigned int *a = __ldcw_align (lock);
-
- return __ldcw (a) ? 0 : EBUSY;
-}
-weak_alias (__pthread_spin_trylock, pthread_spin_trylock)
-
-
-int
-__pthread_spin_unlock (pthread_spinlock_t *lock)
-{
- volatile unsigned int *a = __ldcw_align (lock);
- int tmp = 1;
- /* This should be a memory barrier to newer compilers */
- __asm__ __volatile__ ("stw,ma %1,0(%0)"
- : : "r" (a), "r" (tmp) : "memory");
- return 0;
-}
-weak_alias (__pthread_spin_unlock, pthread_spin_unlock)
-
-
-int
-__pthread_spin_init (pthread_spinlock_t *lock, int pshared)
-{
- /* We can ignore the `pshared' parameter. Since we are busy-waiting
- all processes which can access the memory location `lock' points
- to can use the spinlock. */
- volatile unsigned int *a = __ldcw_align (lock);
- int tmp = 1;
- /* This should be a memory barrier to newer compilers */
- __asm__ __volatile__ ("stw,ma %1,0(%0)"
- : : "r" (a), "r" (tmp) : "memory");
- return 0;
-}
-weak_alias (__pthread_spin_init, pthread_spin_init)
-
-
-int
-__pthread_spin_destroy (pthread_spinlock_t *lock)
-{
- /* Nothing to do. */
- return 0;
-}
-weak_alias (__pthread_spin_destroy, pthread_spin_destroy)
+++ /dev/null
-/* Machine-dependent pthreads configuration and inline functions.
- hppa version.
- Copyright (C) 2000, 2002, 2003 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Richard Henderson <rth@tamu.edu>.
-
- 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 <sys/types.h>
-#include <bits/initspin.h>
-
-#ifndef PT_EI
-# define PT_EI extern inline __attribute__ ((always_inline))
-#endif
-
-extern inline long int testandset (__atomic_lock_t *spinlock);
-extern inline int __compare_and_swap (long int *p, long int oldval, long int newval);
-extern inline int lock_held (__atomic_lock_t *spinlock);
-extern inline int __load_and_clear (__atomic_lock_t *spinlock);
-
-/* Get some notion of the current stack. Need not be exactly the top
- of the stack, just something somewhere in the current frame. */
-#define CURRENT_STACK_FRAME stack_pointer
-register char * stack_pointer __asm__ ("%r30");
-
-/* Get/Set thread-specific pointer. We have to call into the kernel to
- * modify it, but we can read it in user mode. */
-#ifndef THREAD_SELF
-#define THREAD_SELF __get_cr27()
-#endif
-
-#ifndef SET_THREAD_SELF
-#define SET_THREAD_SELF(descr) __set_cr27(descr)
-#endif
-/* Use this to determine type */
-struct _pthread_descr_struct *__thread_self;
-
-static inline struct _pthread_descr_struct * __get_cr27(void)
-{
- long cr27;
- asm ("mfctl %%cr27, %0" : "=r" (cr27) : );
- return (struct _pthread_descr_struct *) cr27;
-}
-
-#ifndef INIT_THREAD_SELF
-#define INIT_THREAD_SELF(descr, nr) __set_cr27(descr)
-#endif
-
-static inline void __set_cr27(struct _pthread_descr_struct * cr27)
-{
- asm ( "ble 0xe0(%%sr2, %%r0)\n\t"
- "copy %0, %%r26"
- : : "r" (cr27) : "r26" );
-}
-
-/* We want the OS to assign stack addresses. */
-#define FLOATING_STACKS 1
-#define ARCH_STACK_MAX_SIZE 8*1024*1024
-
-/* The hppa only has one atomic read and modify memory operation,
- load and clear, so hppa spinlocks must use zero to signify that
- someone is holding the lock. The address used for the ldcw
- semaphore must be 16-byte aligned. */
-#define __ldcw(a) \
-({ \
- unsigned int __ret; \
- __asm__ __volatile__("ldcw 0(%1),%0" \
- : "=r" (__ret) : "r" (a) : "memory"); \
- __ret; \
-})
-
-/* Strongly ordered lock reset */
-#define __lock_reset(lock_addr, tmp) \
-({ \
- __asm__ __volatile__ ("stw,ma %1,0(%0)" \
- : : "r" (lock_addr), "r" (tmp) : "memory"); \
-})
-
-/* Because malloc only guarantees 8-byte alignment for malloc'd data,
- and GCC only guarantees 8-byte alignment for stack locals, we can't
- be assured of 16-byte alignment for atomic lock data even if we
- specify "__attribute ((aligned(16)))" in the type declaration. So,
- we use a struct containing an array of four ints for the atomic lock
- type and dynamically select the 16-byte aligned int from the array
- for the semaphore. */
-#define __PA_LDCW_ALIGNMENT 16
-#define __ldcw_align(a) ({ \
- volatile unsigned int __ret = (unsigned int) a; \
- if ((__ret & ~(__PA_LDCW_ALIGNMENT - 1)) < (unsigned int) a) \
- __ret = (__ret & ~(__PA_LDCW_ALIGNMENT - 1)) + __PA_LDCW_ALIGNMENT; \
- (unsigned int *) __ret; \
-})
-
-/* Spinlock implementation; required. */
-PT_EI int
-__load_and_clear (__atomic_lock_t *spinlock)
-{
- volatile unsigned int *a = __ldcw_align (spinlock);
-
- return __ldcw (a);
-}
-
-/* Emulate testandset */
-PT_EI long int
-testandset (__atomic_lock_t *spinlock)
-{
- return (__load_and_clear(spinlock) == 0);
-}
-
-PT_EI int
-lock_held (__atomic_lock_t *spinlock)
-{
- volatile unsigned int *a = __ldcw_align (spinlock);
-
- return *a == 0;
-}
-
-#endif /* pt-machine.h */
+++ /dev/null
-/* Definition for thread-local data handling. linuxthreads/hppa version.
- Copyright (C) 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__ */
-
-
-#if defined HAVE_TLS_SUPPORT
-
-/* Signal that TLS support is available. */
-# define USE_TLS 1
-
-# ifndef __ASSEMBLER__
-
-typedef struct
-{
- dtv_t *dtv;
- void *private;
-} tcbhead_t;
-
-/* Include some syscall information for other headers */
-# include <sysdep.h>
-
-/* 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 TLS blocks start right after the TCB. */
-# define TLS_DTV_AT_TP 1
-
-/* Return the thread descriptor for the current thread. */
-# undef THREAD_SELF
-# define THREAD_SELF \
- ({ struct _pthread_descr_struct *__self; \
- __self = __get_cr27(); \
- __self - 1; \
- })
-
-# undef INIT_THREAD_SELF
-# define INIT_THREAD_SELF(descr, nr) \
- ({ struct _pthread_descr_struct *__self = (void *)descr; \
- __set_cr27(__self + 1); \
- 0; \
- })
-
-/* 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))
-
-/* 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 *__tcbp = (tcbhead_t *)__get_cr27(); \
- __tcbp->dtv = dtv; \
- })
-
-/* Return dtv of given thread descriptor. */
-# define GET_DTV(tcbp) \
- (((tcbhead_t *) (tcbp))->dtv)
-
-/* 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) \
- ({ __set_cr27(tcbp); 0; })
-
-/* Return the address of the dtv for the current thread. */
-# define THREAD_DTV() \
- ({ tcbhead_t *__tcbp = (tcbhead_t *)__get_cr27(); \
- __tcbp->dtv; \
- })
-
-# define TLS_MULTIPLE_THREADS_IN_TCB 1
-
-/* Get the thread descriptor definition. This must be after the
- the definition of THREAD_SELF for TLS. */
-# include <linuxthreads/descr.h>
-
-# endif /* __ASSEMBLER__ */
-
-#else
-
-# ifndef __ASSEMBLER__
-
-typedef struct
-{
- void *tcb;
- dtv_t *dtv;
- void *self;
- int multiple_threads;
-} tcbhead_t;
-
-/* Get the thread descriptor definition. */
-# include <linuxthreads/descr.h>
-
-# define NONTLS_INIT_TP \
- do { \
- static const tcbhead_t nontls_init_tp = { .multiple_threads = 0 }; \
- INIT_THREAD_SELF(&nontls_init_tp, 0); \
- } while (0)
-
-# endif /* __ASSEMBLER__ */
-
-#endif /* HAVE_TLS_SUPPORT */
-
-#endif /* tls.h */
+++ /dev/null
-#include <shlib-compat.h>
-
-#define aio_cancel64 XXX
-#include <aio.h>
-#undef aio_cancel64
-#include <errno.h>
-
-extern __typeof (aio_cancel) __new_aio_cancel;
-extern __typeof (aio_cancel) __old_aio_cancel;
-
-#define aio_cancel __new_aio_cancel
-
-#include <sysdeps/pthread/aio_cancel.c>
-
-#undef aio_cancel
-strong_alias (__new_aio_cancel, __new_aio_cancel64);
-versioned_symbol (librt, __new_aio_cancel, aio_cancel, GLIBC_2_3);
-versioned_symbol (librt, __new_aio_cancel64, aio_cancel64, GLIBC_2_3);
-
-#if SHLIB_COMPAT (librt, GLIBC_2_1, GLIBC_2_3)
-
-#undef ECANCELED
-#define aio_cancel __old_aio_cancel
-#define ECANCELED 125
-
-#include <sysdeps/pthread/aio_cancel.c>
-
-#undef aio_cancel
-strong_alias (__old_aio_cancel, __old_aio_cancel64);
-compat_symbol (librt, __old_aio_cancel, aio_cancel, GLIBC_2_1);
-compat_symbol (librt, __old_aio_cancel64, aio_cancel64, GLIBC_2_1);
-
-#endif
+++ /dev/null
-/* PA-RISC specific definitions for spinlock initializers.
- Copyright (C) 2000, 2001 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. */
-
-/* Initial value of a spinlock. PA-RISC only implements atomic load
- and clear so this must be non-zero. */
-#define __LT_SPINLOCK_INIT ((__atomic_lock_t) { { 1, 1, 1, 1 } })
-
-/* Initialize global spinlocks without cast, generally macro wrapped */
-#define __LT_SPINLOCK_ALT_INIT { { 1, 1, 1, 1 } }
-
-/* Macros for lock initializers, not using the above definition.
- The above definition is not used in the case that static initializers
- use this value. */
-#define __LOCK_ALT_INITIALIZER { __LT_SPINLOCK_ALT_INIT, 0 }
-
-/* Used to initialize _pthread_fastlock's in non-static case */
-#define __LOCK_INITIALIZER ((struct _pthread_fastlock){ __LT_SPINLOCK_INIT, 0 })
-
-/* Used in pthread_atomic initialization */
-#define __ATOMIC_INITIALIZER { 0, __LT_SPINLOCK_ALT_INIT }
-
-/* Tell the rest of the code that the initializer is non-zero without
- explaining it's internal structure */
-#define __LT_INITIALIZER_NOT_ZERO
-
+++ /dev/null
-/* Linuxthreads - a simple clone()-based implementation of Posix */
-/* threads for Linux. */
-/* Copyright (C) 1996 Xavier Leroy (Xavier.Leroy@inria.fr) */
-/* */
-/* This program is free software; you can redistribute it and/or */
-/* modify it under the terms of the GNU Library General Public License */
-/* as published by the Free Software Foundation; either version 2 */
-/* of the License, or (at your option) any later version. */
-/* */
-/* This program 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 Library General Public License for more details. */
-
-#if !defined _BITS_TYPES_H && !defined _PTHREAD_H
-# error "Never include <bits/pthreadtypes.h> directly; use <sys/types.h> instead."
-#endif
-
-#ifndef _BITS_PTHREADTYPES_H
-#define _BITS_PTHREADTYPES_H 1
-
-#define __need_schedparam
-#include <bits/sched.h>
-
-/* We need 128-bit alignment for the ldcw semaphore. At most, we are
- assured of 64-bit alignment for stack locals and malloc'd data. Thus,
- we use a struct with four ints for the atomic lock type. The locking
- code will figure out which of the four to use for the ldcw semaphore. */
-typedef volatile struct {
- int lock[4];
-} __attribute__ ((aligned(16))) __atomic_lock_t;
-
-/* Fast locks (not abstract because mutexes and conditions aren't abstract). */
-struct _pthread_fastlock
-{
- __atomic_lock_t __spinlock; /* Used by compare_and_swap emulation. Also,
- adaptive SMP lock stores spin count here. */
- long int __status; /* "Free" or "taken" or head of waiting list */
-};
-
-#ifndef _PTHREAD_DESCR_DEFINED
-/* Thread descriptors */
-typedef struct _pthread_descr_struct *_pthread_descr;
-# define _PTHREAD_DESCR_DEFINED
-#endif
-
-
-/* Attributes for threads. */
-typedef struct __pthread_attr_s
-{
- int __detachstate;
- int __schedpolicy;
- struct __sched_param __schedparam;
- int __inheritsched;
- int __scope;
- size_t __guardsize;
- int __stackaddr_set;
- void *__stackaddr;
- size_t __stacksize;
-} pthread_attr_t;
-
-
-/* Conditions (not abstract because of PTHREAD_COND_INITIALIZER */
-
-#ifdef __GLIBC_HAVE_LONG_LONG
-__extension__ typedef long long __pthread_cond_align_t;
-#else
-typedef long __pthread_cond_align_t;
-#endif
-
-typedef struct
-{
- struct _pthread_fastlock __c_lock; /* Protect against concurrent access */
- _pthread_descr __c_waiting; /* Threads waiting on this condition */
- char __padding[48 - sizeof (struct _pthread_fastlock)
- - sizeof (_pthread_descr) - sizeof (__pthread_cond_align_t)];
- __pthread_cond_align_t __align;
-} pthread_cond_t;
-
-
-/* Attribute for conditionally variables. */
-typedef struct
-{
- int __dummy;
-} pthread_condattr_t;
-
-/* Keys for thread-specific data */
-typedef unsigned int pthread_key_t;
-
-
-/* Mutexes (not abstract because of PTHREAD_MUTEX_INITIALIZER). */
-/* (The layout is unnatural to maintain binary compatibility
- with earlier releases of LinuxThreads.) */
-typedef struct
-{
- int __m_reserved; /* Reserved for future use */
- int __m_count; /* Depth of recursive locking */
- _pthread_descr __m_owner; /* Owner thread (if recursive or errcheck) */
- int __m_kind; /* Mutex kind: fast, recursive or errcheck */
- struct _pthread_fastlock __m_lock; /* Underlying fast lock */
-} pthread_mutex_t;
-
-
-/* Attribute for mutex. */
-typedef struct
-{
- int __mutexkind;
-} pthread_mutexattr_t;
-
-
-/* Once-only execution */
-typedef int pthread_once_t;
-
-#if defined __USE_UNIX98 || defined __USE_XOPEN2K
-/* Read-write locks. */
-typedef struct _pthread_rwlock_t
-{
- struct _pthread_fastlock __rw_lock; /* Lock to guarantee mutual exclusion */
- int __rw_readers; /* Number of readers */
- _pthread_descr __rw_writer; /* Identity of writer, or NULL if none */
- _pthread_descr __rw_read_waiting; /* Threads waiting for reading */
- _pthread_descr __rw_write_waiting; /* Threads waiting for writing */
- int __rw_kind; /* Reader/Writer preference selection */
- int __rw_pshared; /* Shared between processes or not */
-} pthread_rwlock_t;
-
-
-/* Attribute for read-write locks. */
-typedef struct
-{
- int __lockkind;
- int __pshared;
-} pthread_rwlockattr_t;
-#endif
-
-#ifdef __USE_XOPEN2K
-/* POSIX spinlock data type. */
-typedef __atomic_lock_t pthread_spinlock_t;
-
-/* POSIX barrier. */
-typedef struct {
- struct _pthread_fastlock __ba_lock; /* Lock to guarantee mutual exclusion */
- int __ba_required; /* Threads needed for completion */
- int __ba_present; /* Threads waiting */
- _pthread_descr __ba_waiting; /* Queue of waiting threads */
-} pthread_barrier_t;
-
-/* barrier attribute */
-typedef struct {
- int __pshared;
-} pthread_barrierattr_t;
-
-#endif
-
-
-/* Thread identifiers */
-typedef unsigned long int pthread_t;
-
-#endif /* bits/pthreadtypes.h */
+++ /dev/null
-/* HP-PARISC macro definitions for mutexes, thread-specific data
- and parameters for malloc.
- Copyright (C) 2003 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Carlos O'Donell <carlos@baldric.uwo.ca>, 2003.
-
- 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 _MALLOC_MACHINE_H
-#define _MALLOC_MACHINE_H
-
-#undef thread_atfork_static
-
-#include <atomic.h>
-#include <bits/libc-lock.h>
-
-__libc_lock_define (typedef, mutex_t)
-
-/* Since our lock structure does not tolerate being initialized to zero, we must
- modify the standard function calls made by malloc */
-# define mutex_init(m) \
- __libc_maybe_call (__pthread_mutex_init, (m, NULL), \
- (((m)->__m_lock.__spinlock = __LT_SPINLOCK_INIT),(*(int *)(m))) )
-# define mutex_lock(m) \
- __libc_maybe_call (__pthread_mutex_lock, (m), \
- (__load_and_clear(&((m)->__m_lock.__spinlock)), 0))
-# define mutex_trylock(m) \
- __libc_maybe_call (__pthread_mutex_trylock, (m), \
- (*(int *)(m) ? 1 : (__load_and_clear(&((m)->__m_lock.__spinlock)), 0)))
-# define mutex_unlock(m) \
- __libc_maybe_call (__pthread_mutex_unlock, (m), \
- (((m)->__m_lock.__spinlock = __LT_SPINLOCK_INIT), (*(int *)(m))) )
-
-/* This is defined by newer gcc version unique for each module. */
-extern void *__dso_handle __attribute__ ((__weak__));
-
-#include <fork.h>
-
-#ifdef SHARED
-# define thread_atfork(prepare, parent, child) \
- __register_atfork (prepare, parent, child, __dso_handle)
-#else
-# define thread_atfork(prepare, parent, child) \
- __register_atfork (prepare, parent, child, \
- &__dso_handle == NULL ? NULL : __dso_handle)
-#endif
-
-/* thread specific data for glibc */
-
-#include <bits/libc-tsd.h>
-
-typedef int tsd_key_t[1]; /* no key data structure, libc magic does it */
-__libc_tsd_define (static, void *, MALLOC) /* declaration/common definition */
-#define tsd_key_create(key, destr) ((void) (key))
-#define tsd_setspecific(key, data) __libc_tsd_set (void *, MALLOC, (data))
-#define tsd_getspecific(key, vptr) ((vptr) = __libc_tsd_get (void *, MALLOC))
-
-#include <sysdeps/generic/malloc-machine.h>
-
-#endif /* !defined(_MALLOC_MACHINE_H) */
+++ /dev/null
-/* Special .init and .fini section support for HPPA. Linuxthreads version.
- Copyright (C) 2001, 2003 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.
-
- In addition to the permissions in the GNU Lesser General Public
- License, the Free Software Foundation gives you unlimited
- permission to link the compiled version of this file with other
- programs, and to distribute those programs without any restriction
- coming from the use of this file. (The Lesser General Public
- License restrictions do apply in other respects; for example, they
- cover modification of the file, and distribution when not linked
- into another program.)
-
- 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, 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-/* This file is compiled into assembly code which is then munged by a sed
- script into two files: crti.s and crtn.s.
-
- * crti.s puts a function prologue at the beginning of the
- .init and .fini sections and defines global symbols for
- those addresses, so they can be called as functions.
-
- * crtn.s puts the corresponding function epilogues
- in the .init and .fini sections. */
-
-/* If we use the standard C version, the linkage table pointer won't
- be properly preserved due to the splitting up of function prologues
- and epilogues. Therefore we write these in assembly to make sure
- they do the right thing. */
-
-__asm__ (
-"#include \"defs.h\"\n"
-"\n"
-"/*@HEADER_ENDS*/\n"
-"\n"
-"/*@_init_PROLOG_BEGINS*/\n"
-" .section .init\n"
-" .align 4\n"
-" .globl _init\n"
-" .type _init,@function\n"
-"_init:\n"
-" stw %rp,-20(%sp)\n"
-" stwm %r4,64(%sp)\n"
-" stw %r19,-32(%sp)\n"
-" bl __pthread_initialize_minimal,%rp\n"
-" copy %r19,%r4 /* delay slot */\n"
-" copy %r4,%r19\n"
-"/*@_init_PROLOG_ENDS*/\n"
-"\n"
-"/*@_init_EPILOG_BEGINS*/\n"
-"/* Here is the tail end of _init. */\n"
-" .section .init\n"
-" ldw -84(%sp),%rp\n"
-" copy %r4,%r19\n"
-" bv %r0(%rp)\n"
-"_end_init:\n"
-" ldwm -64(%sp),%r4\n"
-"\n"
-"/* Our very own unwind info, because the assembler can't handle\n"
-" functions split into two or more pieces. */\n"
-" .section .PARISC.unwind,\"a\",@progbits\n"
-" .extern _init\n"
-" .word _init, _end_init\n"
-" .byte 0x08, 0x01, 0x00, 0x08, 0x00, 0x00, 0x00, 0x08\n"
-"\n"
-"/*@_init_EPILOG_ENDS*/\n"
-"\n"
-"/*@_fini_PROLOG_BEGINS*/\n"
-" .section .fini\n"
-" .align 4\n"
-" .globl _fini\n"
-" .type _fini,@function\n"
-"_fini:\n"
-" stw %rp,-20(%sp)\n"
-" stwm %r4,64(%sp)\n"
-" stw %r19,-32(%sp)\n"
-" copy %r19,%r4\n"
-"/*@_fini_PROLOG_ENDS*/\n"
-"\n"
-"/*@_fini_EPILOG_BEGINS*/\n"
-" .section .fini\n"
-" ldw -84(%sp),%rp\n"
-" copy %r4,%r19\n"
-" bv %r0(%rp)\n"
-"_end_fini:\n"
-" ldwm -64(%sp),%r4\n"
-"\n"
-" .section .PARISC.unwind,\"a\",@progbits\n"
-" .extern _fini\n"
-" .word _fini, _end_fini\n"
-" .byte 0x08, 0x01, 0x00, 0x08, 0x00, 0x00, 0x00, 0x08\n"
-"\n"
-"/*@_fini_EPILOG_ENDS*/\n"
-"\n"
-"/*@TRAILER_BEGINS*/\n"
-);
+++ /dev/null
-/* cancellable system calls for Linux/HPPA.
- Copyright (C) 2003 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Carlos O'Donell <carlos@baldric.uwo.ca>, 2003.
-
- 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. */
-
-#include <sysdep.h>
-#include <tls.h>
-#ifndef __ASSEMBLER__
-# include <linuxthreads/internals.h>
-#endif
-
-#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
-
-# ifndef NO_ERROR
-# define NO_ERROR -0x1000
-# endif
-
-/* The syscall cancellation mechanism requires userspace
- assistance, the following code does roughly this:
-
- do arguments (read arg5 and arg6 to registers)
- setup frame
-
- check if there are threads, yes jump to pseudo_cancel
-
- unthreaded:
- syscall
- check syscall return (jump to pre_end)
- set errno
- set return to -1
- (jump to pre_end)
-
- pseudo_cancel:
- cenable
- syscall
- cdisable
- check syscall return (jump to pre_end)
- set errno
- set return to -1
-
- pre_end
- restore stack
-
- It is expected that 'ret' and 'END' macros will
- append an 'undo arguments' and 'return' to the
- this PSEUDO macro. */
-
-# undef PSEUDO
-# define PSEUDO(name, syscall_name, args) \
- ENTRY (name) \
- DOARGS_##args ASM_LINE_SEP \
- copy TREG, %r1 ASM_LINE_SEP \
- copy %sp, TREG ASM_LINE_SEP \
- stwm %r1, 64(%sp) ASM_LINE_SEP \
- stw %rp, -20(%sp) ASM_LINE_SEP \
- stw TREG, -4(%sp) ASM_LINE_SEP \
- /* Done setting up frame, continue... */ ASM_LINE_SEP \
- SINGLE_THREAD_P ASM_LINE_SEP \
- cmpib,<>,n 0,%ret0,L(pseudo_cancel) ASM_LINE_SEP \
-L(unthreaded): ASM_LINE_SEP \
- /* Save r19 */ ASM_LINE_SEP \
- SAVE_PIC(TREG) ASM_LINE_SEP \
- /* Do syscall, delay loads # */ ASM_LINE_SEP \
- ble 0x100(%sr2,%r0) ASM_LINE_SEP \
- ldi SYS_ify (syscall_name), %r20 /* delay */ ASM_LINE_SEP \
- ldi NO_ERROR,%r1 ASM_LINE_SEP \
- cmpb,>>=,n %r1,%ret0,L(pre_end) ASM_LINE_SEP \
- /* Restore r19 from TREG */ ASM_LINE_SEP \
- LOAD_PIC(TREG) /* delay */ ASM_LINE_SEP \
- SYSCALL_ERROR_HANDLER ASM_LINE_SEP \
- /* Use TREG for temp storage */ ASM_LINE_SEP \
- copy %ret0, TREG /* delay */ ASM_LINE_SEP \
- /* OPTIMIZE: Don't reload r19 */ ASM_LINE_SEP \
- /* do a -1*syscall_ret0 */ ASM_LINE_SEP \
- sub %r0, TREG, TREG ASM_LINE_SEP \
- /* Store into errno location */ ASM_LINE_SEP \
- stw TREG, 0(%sr0,%ret0) ASM_LINE_SEP \
- b L(pre_end) ASM_LINE_SEP \
- /* return -1 as error */ ASM_LINE_SEP \
- ldo -1(%r0), %ret0 /* delay */ ASM_LINE_SEP \
-L(pseudo_cancel): ASM_LINE_SEP \
- PUSHARGS_##args /* Save args */ ASM_LINE_SEP \
- /* Save r19 into TREG */ ASM_LINE_SEP \
- CENABLE /* FUNC CALL */ ASM_LINE_SEP \
- SAVE_PIC(TREG) /* delay */ ASM_LINE_SEP \
- /* restore syscall args */ ASM_LINE_SEP \
- POPARGS_##args ASM_LINE_SEP \
- /* save mask from cenable (use stub rp slot) */ ASM_LINE_SEP \
- stw %ret0, -24(%sp) ASM_LINE_SEP \
- /* ... SYSCALL ... */ ASM_LINE_SEP \
- ble 0x100(%sr2,%r0) ASM_LINE_SEP \
- ldi SYS_ify (syscall_name), %r20 /* delay */ ASM_LINE_SEP \
- /* ............... */ ASM_LINE_SEP \
- LOAD_PIC(TREG) ASM_LINE_SEP \
- /* pass mask as arg0 to cdisable */ ASM_LINE_SEP \
- ldw -24(%sp), %r26 ASM_LINE_SEP \
- CDISABLE ASM_LINE_SEP \
- stw %ret0, -24(%sp) /* delay */ ASM_LINE_SEP \
- /* Restore syscall return */ ASM_LINE_SEP \
- ldw -24(%sp), %ret0 ASM_LINE_SEP \
- /* compare error */ ASM_LINE_SEP \
- ldi NO_ERROR,%r1 ASM_LINE_SEP \
- /* branch if no error */ ASM_LINE_SEP \
- cmpb,>>=,n %r1,%ret0,L(pre_end) ASM_LINE_SEP \
- LOAD_PIC(TREG) /* cond. nullify */ ASM_LINE_SEP \
- copy %ret0, TREG /* save syscall return */ ASM_LINE_SEP \
- SYSCALL_ERROR_HANDLER ASM_LINE_SEP \
- /* make syscall res value positive */ ASM_LINE_SEP \
- sub %r0, TREG, TREG /* delay */ ASM_LINE_SEP \
- /* No need to LOAD_PIC */ ASM_LINE_SEP \
- /* store into errno location */ ASM_LINE_SEP \
- stw TREG, 0(%sr0,%ret0) ASM_LINE_SEP \
- /* return -1 */ ASM_LINE_SEP \
- ldo -1(%r0), %ret0 ASM_LINE_SEP \
-L(pre_end): ASM_LINE_SEP \
- /* Restore rp before exit */ ASM_LINE_SEP \
- ldw -84(%sr0,%sp), %rp ASM_LINE_SEP \
- /* Undo frame */ ASM_LINE_SEP \
- ldwm -64(%sp),TREG ASM_LINE_SEP \
- /* No need to LOAD_PIC */ ASM_LINE_SEP
-
-/* Save arguments into our frame */
-# define PUSHARGS_0 /* nothing to do */
-# define PUSHARGS_1 PUSHARGS_0 stw %r26, -36(%sr0,%sp) ASM_LINE_SEP
-# define PUSHARGS_2 PUSHARGS_1 stw %r25, -40(%sr0,%sp) ASM_LINE_SEP
-# define PUSHARGS_3 PUSHARGS_2 stw %r24, -44(%sr0,%sp) ASM_LINE_SEP
-# define PUSHARGS_4 PUSHARGS_3 stw %r23, -48(%sr0,%sp) ASM_LINE_SEP
-# define PUSHARGS_5 PUSHARGS_4 stw %r22, -52(%sr0,%sp) ASM_LINE_SEP
-# define PUSHARGS_6 PUSHARGS_5 stw %r21, -56(%sr0,%sp) ASM_LINE_SEP
-
-/* Bring them back from the stack */
-# define POPARGS_0 /* nothing to do */
-# define POPARGS_1 POPARGS_0 ldw -36(%sr0,%sp), %r26 ASM_LINE_SEP
-# define POPARGS_2 POPARGS_1 ldw -40(%sr0,%sp), %r25 ASM_LINE_SEP
-# define POPARGS_3 POPARGS_2 ldw -44(%sr0,%sp), %r24 ASM_LINE_SEP
-# define POPARGS_4 POPARGS_3 ldw -48(%sr0,%sp), %r23 ASM_LINE_SEP
-# define POPARGS_5 POPARGS_4 ldw -52(%sr0,%sp), %r22 ASM_LINE_SEP
-# define POPARGS_6 POPARGS_5 ldw -56(%sr0,%sp), %r21 ASM_LINE_SEP
-
-# ifdef IS_IN_libpthread
-# ifdef PIC
-# define CENABLE .import __pthread_enable_asynccancel,code ASM_LINE_SEP \
- bl __pthread_enable_asynccancel,%r2 ASM_LINE_SEP
-# define CDISABLE .import __pthread_disable_asynccancel,code ASM_LINE_SEP \
- bl __pthread_disable_asynccancel,%r2 ASM_LINE_SEP
-# else
-# define CENABLE .import __pthread_enable_asynccancel,code ASM_LINE_SEP \
- bl __pthread_enable_asynccancel,%r2 ASM_LINE_SEP
-# define CDISABLE .import __pthread_disable_asynccancel,code ASM_LINE_SEP \
- bl __pthread_disable_asynccancel,%r2 ASM_LINE_SEP
-# endif
-# elif !defined NOT_IN_libc
-# ifdef PIC
-# define CENABLE .import __libc_enable_asynccancel,code ASM_LINE_SEP \
- bl __libc_enable_asynccancel,%r2 ASM_LINE_SEP
-# define CDISABLE .import __libc_disable_asynccancel,code ASM_LINE_SEP \
- bl __libc_disable_asynccancel,%r2 ASM_LINE_SEP
-# else
-# define CENABLE .import __libc_enable_asynccancel,code ASM_LINE_SEP \
- bl __libc_enable_asynccancel,%r2 ASM_LINE_SEP
-# define CDISABLE .import __libc_disable_asynccancel,code ASM_LINE_SEP \
- bl __libc_disable_asynccancel,%r2 ASM_LINE_SEP
-# endif
-# else
-# ifdef PIC
-# define CENABLE .import __librt_enable_asynccancel,code ASM_LINE_SEP \
- bl __librt_enable_asynccancel,%r2 ASM_LINE_SEP
-# define CDISABLE .import __librt_disable_asynccancel,code ASM_LINE_SEP \
- bl __librt_disable_asynccancel,%r2 ASM_LINE_SEP
-# else
-# define CENABLE .import __librt_enable_asynccancel,code ASM_LINE_SEP \
- bl __librt_enable_asynccancel,%r2 ASM_LINE_SEP
-# define CDISABLE .import __librt_disable_asynccancel,code ASM_LINE_SEP \
- bl __librt_disable_asynccancel,%r2 ASM_LINE_SEP
-# endif
-# endif
-
-/* p_header.multiple_threads is +12 from the pthread_descr struct start,
- We could have called __get_cr27() but we really want less overhead */
-# define MULTIPLE_THREADS_OFFSET 0xC
-
-/* cr27 has been initialized to 0x0 by kernel */
-# define NO_THREAD_CR27 0x0
-
-# ifdef IS_IN_libpthread
-# define __local_multiple_threads __pthread_multiple_threads
-# elif !defined NOT_IN_libc
-# define __local_multiple_threads __libc_multiple_threads
-# else
-# define __local_multiple_threads __librt_multiple_threads
-# endif
-
-# ifndef __ASSEMBLER__
-# if !defined NOT_IN_libc || defined IS_IN_libpthread
-extern int __local_multiple_threads attribute_hidden;
-# else
-extern int __local_multiple_threads;
-# endif
-# define SINGLE_THREAD_P __builtin_expect (__local_multiple_threads == 0, 1)
-# else
-/* This ALT version requires newer kernel support */
-# define SINGLE_THREAD_P_MFCTL \
- mfctl %cr27, %ret0 ASM_LINE_SEP \
- cmpib,= NO_THREAD_CR27,%ret0,L(stp) ASM_LINE_SEP \
- nop ASM_LINE_SEP \
- ldw MULTIPLE_THREADS_OFFSET(%sr0,%ret0),%ret0 ASM_LINE_SEP \
-L(stp): ASM_LINE_SEP
-# ifdef PIC
-/* Slower version uses GOT to get value of __local_multiple_threads */
-# define SINGLE_THREAD_P \
- addil LT%__local_multiple_threads, %r19 ASM_LINE_SEP \
- ldw RT%__local_multiple_threads(%sr0,%r1), %ret0 ASM_LINE_SEP \
- ldw 0(%sr0,%ret0), %ret0 ASM_LINE_SEP
-# else
-/* Slow non-pic version using DP */
-# define SINGLE_THREAD_P \
- addil LR%__local_multiple_threads-$global$,%r27 ASM_LINE_SEP \
- ldw RR%__local_multiple_threads-$global$(%sr0,%r1),%ret0 ASM_LINE_SEP
-# endif
-# endif
-#elif !defined __ASSEMBLER__
-
-/* This code should never be used but we define it anyhow. */
-# define SINGLE_THREAD_P (1)
-
-#endif
-/* !defined NOT_IN_libc || defined IS_IN_libpthread */
projects / thirdparty / glibc.git / commitdiff
