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authorRoland McGrath <roland@gnu.org>2003-02-26 00:01:15 +0000
committerRoland McGrath <roland@gnu.org>2003-02-26 00:01:15 +0000
commit4e5b051fad8e6707736d3ddc4819ab797d23cd91 (patch)
tree62562086317b2efeee225689d548ef0990381cf3 /linuxthreads/sysdeps
parent1d02f71fe4046c1cd17ff6b6687a89932797cb3b (diff)
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Revert unintentional commits.
Diffstat (limited to 'linuxthreads/sysdeps')
-rw-r--r--linuxthreads/sysdeps/i386/i686/pt-machine.h3
-rw-r--r--linuxthreads/sysdeps/i386/pt-machine.h3
-rw-r--r--linuxthreads/sysdeps/i386/tls.h2
-rw-r--r--linuxthreads/sysdeps/powerpc/powerpc64/tls.h134
4 files changed, 3 insertions, 139 deletions
diff --git a/linuxthreads/sysdeps/i386/i686/pt-machine.h b/linuxthreads/sysdeps/i386/i686/pt-machine.h
index 2368c29098..3c28118f2e 100644
--- a/linuxthreads/sysdeps/i386/i686/pt-machine.h
+++ b/linuxthreads/sysdeps/i386/i686/pt-machine.h
@@ -33,8 +33,7 @@ extern int __compare_and_swap (long int *p, long int oldval, long int newval);
/* 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__
-register char *__stack_pointer_register__ __asm__ ("%esp");
+#define CURRENT_STACK_FRAME __builtin_frame_address (0)
/* Spinlock implementation; required. */
diff --git a/linuxthreads/sysdeps/i386/pt-machine.h b/linuxthreads/sysdeps/i386/pt-machine.h
index 465ab9f919..79c69b549a 100644
--- a/linuxthreads/sysdeps/i386/pt-machine.h
+++ b/linuxthreads/sysdeps/i386/pt-machine.h
@@ -32,8 +32,7 @@ extern int __compare_and_swap (long int *p, long int oldval, long int newval);
/* 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__
-register char *__stack_pointer_register__ __asm__ ("%esp");
+#define CURRENT_STACK_FRAME __builtin_frame_address (0)
/* Spinlock implementation; required. */
diff --git a/linuxthreads/sysdeps/i386/tls.h b/linuxthreads/sysdeps/i386/tls.h
index db68e1c21c..118c9c02d1 100644
--- a/linuxthreads/sysdeps/i386/tls.h
+++ b/linuxthreads/sysdeps/i386/tls.h
@@ -58,7 +58,7 @@ typedef struct
We need USE_TLS to be consistently defined, for ldsodefs.h conditionals.
But some of the code below can cause problems in building libpthread
- (e.g. useldt.h will define FLOATING_STACKS when it shouldn't). */
+ (e.g. useldt.h will defined FLOATING_STACKS when it shouldn't). */
#if defined HAVE_TLS_SUPPORT \
&& (defined FLOATING_STACKS || !defined IS_IN_libpthread)
diff --git a/linuxthreads/sysdeps/powerpc/powerpc64/tls.h b/linuxthreads/sysdeps/powerpc/powerpc64/tls.h
deleted file mode 100644
index fefb452cc2..0000000000
--- a/linuxthreads/sysdeps/powerpc/powerpc64/tls.h
+++ /dev/null
@@ -1,134 +0,0 @@
-/* Definitions for thread-local data handling. linuxthreads/PowerPC64 version.
- Copyright (C) 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.
-
- 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 <stddef.h>
-
-/* Type for the dtv. */
-typedef union dtv
-{
- size_t counter;
- void *pointer;
-} dtv_t;
-
-
-typedef struct
-{
- dtv_t *dtv;
-
- /* Reserved for the thread implementation. Unused in LinuxThreads. */
- void *private;
-} tcbhead_t;
-#endif
-
-
-#ifdef HAVE_TLS_SUPPORT
-
-/* Signal that TLS support is available. */
-# define USE_TLS 1
-
-# ifndef __ASSEMBLER__
-/* Get system call information. */
-# 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)
-
-/* Alignment requirements for the TCB. */
-# define TLS_TCB_ALIGN __alignof__ (tcbhead_t)
-
-/* This is the size we need before TCB. */
-# define TLS_PRE_TCB_SIZE sizeof (struct _pthread_descr_struct)
-
-/* the following assumes that TP (R13) is points to the end of the tcb
- + 0x7000 (per the ABI). This implies that tcb address is
- R13-(TLS_TCB_SIZE + 0x7000). As we define TLS_DTV_AT_TP we can
- assume that the pthread_descr is allocate immediately ahead of the
- tcb. This implies that the pthread_descr address is
- R13-(TLS_PRE_TCB_SIZE + TLS_TCB_SIZE + 0x7000). */
-# define TLS_TCB_OFFSET 0x7000
-
-/* The DTV is allocated at the TP; the TCB is placed elsewhere. */
-/* This is not really true for powerpc64. We are following alpha
- where the DTV pointer is first doubleword in the TCB. */
-# 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) (THREAD_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) \
- (__thread_self = (uintptr_t) (TCBP) + TLS_TCB_OFFSET + TLS_TCB_SIZE, 0)
-
-/* Return the address of the dtv for the current thread. */
-# define THREAD_DTV() \
- (((tcbhead_t *) (__thread_register - (TLS_TCB_OFFSET + TLS_TCB_SIZE)))->dtv)
-
-/* Return the thread descriptor for the current thread. */
-# undef THREAD_SELF
-# define THREAD_SELF \
- ((pthread_descr) (__thread_register \
- - (TLS_TCB_OFFSET + TLS_TCB_SIZE + TLS_PRE_TCB_SIZE)))
-
-# undef INIT_THREAD_SELF
-# define INIT_THREAD_SELF(DESCR, NR) \
- (__thread_self = (pthread_descr) (((char *)(DESCR)) \
- + (TLS_TCB_OFFSET + TLS_TCB_SIZE + TLS_PRE_TCB_SIZE)))
-
-/* Get the thread descriptor definition. */
-# include <linuxthreads/descr.h>
-
-/* Generic bits of LinuxThreads may call these macros with
- DESCR set to NULL. We are expected to be able to reference
- the "current" value. */
-
-#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))
-
-# endif /* HAVE_TLS_SUPPORT */
-#endif /* __ASSEMBLER__ */
-
-#endif /* tls.h */