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authorAdhemerval Zanella <azanella@linux.vnet.ibm.com>2014-06-12 09:32:53 -0500
committerAdhemerval Zanella <azanella@linux.vnet.ibm.com>2014-06-17 07:54:22 -0500
commit556f529dabd3aa57ae1b40a1a5c8d5cc162d4104 (patch)
tree75fb8c4d1956280797a943d1b64fee3227db64db /nptl
parent4b266200764bc683613090da18af63fa43851051 (diff)
downloadglibc-556f529dabd3aa57ae1b40a1a5c8d5cc162d4104.tar.gz
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PowerPC: Move powerpc code out of nptl/ subdirectory
Diffstat (limited to 'nptl')
-rw-r--r--nptl/sysdeps/powerpc/Makefile20
-rw-r--r--nptl/sysdeps/powerpc/pthread_spin_lock.c44
-rw-r--r--nptl/sysdeps/powerpc/pthread_spin_trylock.c42
-rw-r--r--nptl/sysdeps/powerpc/pthreaddef.h33
-rw-r--r--nptl/sysdeps/powerpc/tcb-offsets.sym23
-rw-r--r--nptl/sysdeps/powerpc/tls.h220
6 files changed, 0 insertions, 382 deletions
diff --git a/nptl/sysdeps/powerpc/Makefile b/nptl/sysdeps/powerpc/Makefile
deleted file mode 100644
index 0ecd371737..0000000000
--- a/nptl/sysdeps/powerpc/Makefile
+++ /dev/null
@@ -1,20 +0,0 @@
-# Copyright (C) 2003-2014 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, see
-# <http://www.gnu.org/licenses/>.
-
-ifeq ($(subdir),csu)
-gen-as-const-headers += tcb-offsets.sym
-endif
diff --git a/nptl/sysdeps/powerpc/pthread_spin_lock.c b/nptl/sysdeps/powerpc/pthread_spin_lock.c
deleted file mode 100644
index b8333c7d9a..0000000000
--- a/nptl/sysdeps/powerpc/pthread_spin_lock.c
+++ /dev/null
@@ -1,44 +0,0 @@
-/* Copyright (C) 2003-2014 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Paul Mackerras <paulus@au.ibm.com>, 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, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include "pthreadP.h"
-
-int
-pthread_spin_lock (lock)
-     pthread_spinlock_t *lock;
-{
-  unsigned int __tmp;
-
-  asm volatile (
-       "1:	lwarx	%0,0,%1\n"
-       "	cmpwi	0,%0,0\n"
-       "	bne-	2f\n"
-       "	stwcx.	%2,0,%1\n"
-       "	bne-	2f\n"
-       "	isync\n"
-       "	.subsection 1\n"
-       "2:	lwzx	%0,0,%1\n"
-       "	cmpwi	0,%0,0\n"
-       "	bne	2b\n"
-       "	b	1b\n"
-       "	.previous"
-       : "=&r" (__tmp)
-       : "r" (lock), "r" (1)
-       : "cr0", "memory");
-  return 0;
-}
diff --git a/nptl/sysdeps/powerpc/pthread_spin_trylock.c b/nptl/sysdeps/powerpc/pthread_spin_trylock.c
deleted file mode 100644
index 3131ae529c..0000000000
--- a/nptl/sysdeps/powerpc/pthread_spin_trylock.c
+++ /dev/null
@@ -1,42 +0,0 @@
-/* Copyright (C) 2003-2014 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Paul Mackerras <paulus@au.ibm.com>, 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, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <errno.h>
-#include "pthreadP.h"
-
-int
-pthread_spin_trylock (lock)
-     pthread_spinlock_t *lock;
-{
-  unsigned int old;
-  int err = EBUSY;
-
-  asm ("1:	lwarx	%0,0,%2\n"
-       "	cmpwi	0,%0,0\n"
-       "	bne	2f\n"
-       "	stwcx.	%3,0,%2\n"
-       "	bne-	1b\n"
-       "	li	%1,0\n"
-       "	isync\n"
-       "2:	"
-       : "=&r" (old), "=&r" (err)
-       : "r" (lock), "r" (1), "1" (err)
-       : "cr0", "memory");
-
-  return err;
-}
diff --git a/nptl/sysdeps/powerpc/pthreaddef.h b/nptl/sysdeps/powerpc/pthreaddef.h
deleted file mode 100644
index 5c6a0cde52..0000000000
--- a/nptl/sysdeps/powerpc/pthreaddef.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/* Copyright (C) 2003-2014 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, see
-   <http://www.gnu.org/licenses/>.  */
-
-/* Default stack size.  */
-#define ARCH_STACK_DEFAULT_SIZE	(4 * 1024 * 1024)
-
-/* Required stack pointer alignment at beginning.  The ABI requires 16
-   bytes (for both 32-bit and 64-bit PowerPC).  */
-#define STACK_ALIGN		16
-
-/* Minimal stack size after allocating thread descriptor and guard size.  */
-#define MINIMAL_REST_STACK	4096
-
-/* Alignment requirement for TCB.  */
-#define TCB_ALIGNMENT		16
-
-
-/* Location of current stack frame.  */
-#define CURRENT_STACK_FRAME	__builtin_frame_address (0)
diff --git a/nptl/sysdeps/powerpc/tcb-offsets.sym b/nptl/sysdeps/powerpc/tcb-offsets.sym
deleted file mode 100644
index eac5b5c732..0000000000
--- a/nptl/sysdeps/powerpc/tcb-offsets.sym
+++ /dev/null
@@ -1,23 +0,0 @@
-#include <sysdep.h>
-#include <tls.h>
-
---
-
--- Abuse tls.h macros to derive offsets relative to the thread register.
-# undef __thread_register
-# define __thread_register	((void *) 0)
-# define thread_offsetof(mem)	((ptrdiff_t) THREAD_SELF + offsetof (struct pthread, mem))
-
-
-#if TLS_MULTIPLE_THREADS_IN_TCB
-MULTIPLE_THREADS_OFFSET		thread_offsetof (header.multiple_threads)
-#endif
-PID				thread_offsetof (pid)
-TID				thread_offsetof (tid)
-POINTER_GUARD			(offsetof (tcbhead_t, pointer_guard) - TLS_TCB_OFFSET - sizeof (tcbhead_t))
-TAR_SAVE			(offsetof (tcbhead_t, tar_save) - TLS_TCB_OFFSET - sizeof (tcbhead_t))
-DSO_SLOT1			(offsetof (tcbhead_t, dso_slot1) - TLS_TCB_OFFSET - sizeof (tcbhead_t))
-DSO_SLOT2			(offsetof (tcbhead_t, dso_slot2) - TLS_TCB_OFFSET - sizeof (tcbhead_t))
-#ifndef __ASSUME_PRIVATE_FUTEX
-PRIVATE_FUTEX_OFFSET		thread_offsetof (header.private_futex)
-#endif
diff --git a/nptl/sysdeps/powerpc/tls.h b/nptl/sysdeps/powerpc/tls.h
deleted file mode 100644
index b80a5fbf54..0000000000
--- a/nptl/sysdeps/powerpc/tls.h
+++ /dev/null
@@ -1,220 +0,0 @@
-/* Definition for thread-local data handling.  NPTL/PowerPC version.
-   Copyright (C) 2003-2014 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, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _TLS_H
-#define _TLS_H	1
-
-# include <dl-sysdep.h>
-
-#ifndef __ASSEMBLER__
-# include <stdbool.h>
-# include <stddef.h>
-# include <stdint.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__ */
-
-
-#ifndef __ASSEMBLER__
-
-/* Get system call information.  */
-# include <sysdep.h>
-
-/* The TP points to the start of the thread blocks.  */
-# define TLS_DTV_AT_TP	1
-# define TLS_TCB_AT_TP	0
-
-/* We use the multiple_threads field in the pthread struct */
-#define TLS_MULTIPLE_THREADS_IN_TCB	1
-
-/* Get the thread descriptor definition.  */
-# include <nptl/descr.h>
-
-
-/* The stack_guard is accessed directly by GCC -fstack-protector code,
-   so it is a part of public ABI.  The dtv and pointer_guard fields
-   are private.  */
-typedef struct
-{
-  /* Reservation for Dynamic System Optimizer ABI.  */
-  uintptr_t dso_slot2;
-  uintptr_t dso_slot1;
-  /* Reservation for tar register (ISA 2.07).  */
-  uintptr_t tar_save;
-  /* GCC split stack support.  */
-  void *__private_ss;
-  /* Reservation for the Event-Based Branching ABI.  */
-  uintptr_t ebb_handler;
-  uintptr_t ebb_ctx_pointer;
-  uintptr_t ebb_reserved1;
-  uintptr_t ebb_reserved2;
-  uintptr_t pointer_guard;
-  uintptr_t stack_guard;
-  dtv_t *dtv;
-} tcbhead_t;
-
-/* This is the size of the initial TCB.  */
-# define TLS_INIT_TCB_SIZE	0
-
-/* Alignment requirements for the initial TCB.  */
-# define TLS_INIT_TCB_ALIGN	__alignof__ (struct pthread)
-
-/* This is the size of the TCB.  */
-# define TLS_TCB_SIZE		0
-
-/* Alignment requirements for the TCB.  */
-# define TLS_TCB_ALIGN		__alignof__ (struct pthread)
-
-/* This is the size we need before TCB.  */
-# define TLS_PRE_TCB_SIZE \
-  (sizeof (struct pthread)						      \
-   + ((sizeof (tcbhead_t) + TLS_TCB_ALIGN - 1) & ~(TLS_TCB_ALIGN - 1)))
-
-# ifndef __powerpc64__
-/* Register r2 (tp) is reserved by the ABI as "thread pointer". */
-register void *__thread_register __asm__ ("r2");
-#  define PT_THREAD_POINTER PT_R2
-# else
-/* Register r13 (tp) is reserved by the ABI as "thread pointer". */
-register void *__thread_register __asm__ ("r13");
-#  define PT_THREAD_POINTER PT_R13
-# endif
-
-/* The following assumes that TP (R2 or R13) points to the end of the
-   TCB + 0x7000 (per the ABI).  This implies that TCB address is
-   TP - 0x7000.  As we define TLS_DTV_AT_TP we can
-   assume that the pthread struct is allocated immediately ahead of the
-   TCB.  This implies that the pthread_descr address is
-   TP - (TLS_PRE_TCB_SIZE + 0x7000).  */
-# define TLS_TCB_OFFSET	0x7000
-
-/* 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))[-1].dtv = dtvp + 1
-
-/* Install new dtv for current thread.  */
-# define INSTALL_NEW_DTV(dtv) (THREAD_DTV() = (dtv))
-
-/* Return dtv of given thread descriptor.  */
-# define GET_DTV(tcbp)	(((tcbhead_t *) (tcbp))[-1].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) \
-    (__thread_register = (void *) (tcbp) + TLS_TCB_OFFSET, NULL)
-
-/* Value passed to 'clone' for initialization of the thread register.  */
-# define TLS_DEFINE_INIT_TP(tp, pd) \
-  void *tp = (void *) (pd) + TLS_TCB_OFFSET + TLS_PRE_TCB_SIZE
-
-/* Return the address of the dtv for the current thread.  */
-# define THREAD_DTV() \
-    (((tcbhead_t *) (__thread_register - TLS_TCB_OFFSET))[-1].dtv)
-
-/* Return the thread descriptor for the current thread.  */
-# define THREAD_SELF \
-    ((struct pthread *) (__thread_register \
-			 - TLS_TCB_OFFSET - TLS_PRE_TCB_SIZE))
-
-/* Magic for libthread_db to know how to do THREAD_SELF.  */
-# define DB_THREAD_SELF							      \
-  REGISTER (32, 32, PT_THREAD_POINTER * 4,				      \
-	    - TLS_TCB_OFFSET - TLS_PRE_TCB_SIZE)			      \
-  REGISTER (64, 64, PT_THREAD_POINTER * 8,				      \
-	    - TLS_TCB_OFFSET - TLS_PRE_TCB_SIZE)
-
-/* Read member of the thread descriptor directly.  */
-# define THREAD_GETMEM(descr, member) ((void)(descr), (THREAD_SELF)->member)
-
-/* Same as THREAD_GETMEM, but the member offset can be non-constant.  */
-# define THREAD_GETMEM_NC(descr, member, idx) \
-    ((void)(descr), (THREAD_SELF)->member[idx])
-
-/* Set member of the thread descriptor directly.  */
-# define THREAD_SETMEM(descr, member, value) \
-    ((void)(descr), (THREAD_SELF)->member = (value))
-
-/* Same as THREAD_SETMEM, but the member offset can be non-constant.  */
-# define THREAD_SETMEM_NC(descr, member, idx, value) \
-    ((void)(descr), (THREAD_SELF)->member[idx] = (value))
-
-/* Set the stack guard field in TCB head.  */
-# define THREAD_SET_STACK_GUARD(value) \
-    (((tcbhead_t *) ((char *) __thread_register				      \
-		     - TLS_TCB_OFFSET))[-1].stack_guard = (value))
-# define THREAD_COPY_STACK_GUARD(descr) \
-    (((tcbhead_t *) ((char *) (descr)					      \
-		     + TLS_PRE_TCB_SIZE))[-1].stack_guard		      \
-     = ((tcbhead_t *) ((char *) __thread_register			      \
-		       - TLS_TCB_OFFSET))[-1].stack_guard)
-
-/* Set the stack guard field in TCB head.  */
-# define THREAD_GET_POINTER_GUARD() \
-    (((tcbhead_t *) ((char *) __thread_register				      \
-		     - TLS_TCB_OFFSET))[-1].pointer_guard)
-# define THREAD_SET_POINTER_GUARD(value) \
-    (THREAD_GET_POINTER_GUARD () = (value))
-# define THREAD_COPY_POINTER_GUARD(descr) \
-    (((tcbhead_t *) ((char *) (descr)					      \
-		     + TLS_PRE_TCB_SIZE))[-1].pointer_guard		      \
-     = THREAD_GET_POINTER_GUARD())
-
-/* l_tls_offset == 0 is perfectly valid on PPC, so we have to use some
-   different value to mean unset l_tls_offset.  */
-# define NO_TLS_OFFSET		-1
-
-/* Get and set the global scope generation counter in struct pthread.  */
-#define THREAD_GSCOPE_FLAG_UNUSED 0
-#define THREAD_GSCOPE_FLAG_USED   1
-#define THREAD_GSCOPE_FLAG_WAIT   2
-#define THREAD_GSCOPE_RESET_FLAG() \
-  do									     \
-    { int __res								     \
-	= atomic_exchange_rel (&THREAD_SELF->header.gscope_flag,	     \
-			       THREAD_GSCOPE_FLAG_UNUSED);		     \
-      if (__res == THREAD_GSCOPE_FLAG_WAIT)				     \
-	lll_futex_wake (&THREAD_SELF->header.gscope_flag, 1, LLL_PRIVATE);   \
-    }									     \
-  while (0)
-#define THREAD_GSCOPE_SET_FLAG() \
-  do									     \
-    {									     \
-      THREAD_SELF->header.gscope_flag = THREAD_GSCOPE_FLAG_USED;	     \
-      atomic_write_barrier ();						     \
-    }									     \
-  while (0)
-#define THREAD_GSCOPE_WAIT() \
-  GL(dl_wait_lookup_done) ()
-
-#endif /* __ASSEMBLER__ */
-
-#endif	/* tls.h */