diff options
| author | Waldemar Brodkorb <wbx@openadk.org> | 2014-09-01 20:44:20 +0200 | 
|---|---|---|
| committer | Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> | 2014-09-04 13:56:34 +0200 | 
| commit | 6d550ddd129b18cf800eab604f74536754526cd8 (patch) | |
| tree | a6c883676885f2e30878cdc3a0964db2e60322be /libpthread/linuxthreads.old/sysdeps/sparc | |
| parent | b212e3804fb155cb418852dd70abad9a3d2354cc (diff) | |
sparc: remove sparc64/sparcv9 code
The sparc64/sparcv9 code is incomplete. Furthermore there is
no real embedded hardware for sparc64 available, so better remove
it until someone comes up with a complete port.
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Diffstat (limited to 'libpthread/linuxthreads.old/sysdeps/sparc')
3 files changed, 80 insertions, 192 deletions
| diff --git a/libpthread/linuxthreads.old/sysdeps/sparc/pt-machine.h b/libpthread/linuxthreads.old/sysdeps/sparc/pt-machine.h index ab90810f1..d502c759a 100644 --- a/libpthread/linuxthreads.old/sysdeps/sparc/pt-machine.h +++ b/libpthread/linuxthreads.old/sysdeps/sparc/pt-machine.h @@ -1,8 +1,82 @@ -#include <features.h> -#include <bits/wordsize.h> +/* Machine-dependent pthreads configuration and inline functions. +   sparc version. +   Copyright (C) 1996-1998, 2000-2003 Free Software Foundation, Inc. +   This file is part of the GNU C Library. +   Contributed by Richard Henderson <rth@tamu.edu>. -#if __WORDSIZE == 32 -# include "sparc32/pt-machine.h" -#else -# include "sparc64/pt-machine.h" +   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, see <http://www.gnu.org/licenses/>.  */ + +#ifndef _PT_MACHINE_H +#define _PT_MACHINE_H   1 + +#ifndef PT_EI +# define PT_EI __extern_always_inline  #endif + +extern long int testandset (int *spinlock); +extern int __compare_and_swap (long int *p, long int oldval, long int newval); + +/* Spinlock implementation; required.  */ +PT_EI long int +testandset (int *spinlock) +{ +  int ret; + +  __asm__ __volatile__("ldstub %1,%0" +	: "=r"(ret), "=m"(*spinlock) +	: "m"(*spinlock)); + +  return ret; +} + + +/* Memory barrier; default is to do nothing */ +#define MEMORY_BARRIER() __asm__ __volatile__("stbar" : : : "memory") + + +/* 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 + (2 * 64)) +register char *stack_pointer __asm__("%sp"); + + +/* Registers %g6 and %g7 are reserved by the ABI for "system use". +   %g7 is specified in the TLS ABI as thread pointer -- we do the same.  */ +struct _pthread_descr_struct; +register struct _pthread_descr_struct *__thread_self __asm__("%g7"); + +/* 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)) + +/* 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     8*1024*1024 + +#endif /* pt-machine.h */ diff --git a/libpthread/linuxthreads.old/sysdeps/sparc/sparc32/pt-machine.h b/libpthread/linuxthreads.old/sysdeps/sparc/sparc32/pt-machine.h deleted file mode 100644 index d502c759a..000000000 --- a/libpthread/linuxthreads.old/sysdeps/sparc/sparc32/pt-machine.h +++ /dev/null @@ -1,82 +0,0 @@ -/* Machine-dependent pthreads configuration and inline functions. -   sparc version. -   Copyright (C) 1996-1998, 2000-2003 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, see <http://www.gnu.org/licenses/>.  */ - -#ifndef _PT_MACHINE_H -#define _PT_MACHINE_H   1 - -#ifndef PT_EI -# define PT_EI __extern_always_inline -#endif - -extern long int testandset (int *spinlock); -extern int __compare_and_swap (long int *p, long int oldval, long int newval); - -/* Spinlock implementation; required.  */ -PT_EI long int -testandset (int *spinlock) -{ -  int ret; - -  __asm__ __volatile__("ldstub %1,%0" -	: "=r"(ret), "=m"(*spinlock) -	: "m"(*spinlock)); - -  return ret; -} - - -/* Memory barrier; default is to do nothing */ -#define MEMORY_BARRIER() __asm__ __volatile__("stbar" : : : "memory") - - -/* 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 + (2 * 64)) -register char *stack_pointer __asm__("%sp"); - - -/* Registers %g6 and %g7 are reserved by the ABI for "system use". -   %g7 is specified in the TLS ABI as thread pointer -- we do the same.  */ -struct _pthread_descr_struct; -register struct _pthread_descr_struct *__thread_self __asm__("%g7"); - -/* 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)) - -/* 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     8*1024*1024 - -#endif /* pt-machine.h */ diff --git a/libpthread/linuxthreads.old/sysdeps/sparc/sparc64/pt-machine.h b/libpthread/linuxthreads.old/sysdeps/sparc/sparc64/pt-machine.h deleted file mode 100644 index e3c73d967..000000000 --- a/libpthread/linuxthreads.old/sysdeps/sparc/sparc64/pt-machine.h +++ /dev/null @@ -1,104 +0,0 @@ -/* Machine-dependent pthreads configuration and inline functions. -   Sparc v9 version. -   Copyright (C) 1997-2002, 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, see <http://www.gnu.org/licenses/>.  */ - -#ifndef _PT_MACHINE_H -#define _PT_MACHINE_H   1 - -#ifndef PT_EI -# define PT_EI __extern_always_inline -#endif - -extern long int testandset (int *spinlock); -extern int __compare_and_swap (long int *p, long int oldval, long int newval); - -/* Spinlock implementation; required.  */ -PT_EI long int -testandset (int *spinlock) -{ -  int ret; - -  __asm__ __volatile__("ldstub %1,%0" -	: "=r" (ret), "=m" (*spinlock) : "m" (*spinlock)); - -  return ret; -} - - -/* Memory barrier; default is to do nothing */ -#define MEMORY_BARRIER() \ -     __asm__ __volatile__("membar #LoadLoad | #LoadStore | #StoreLoad | #StoreStore" : : : "memory") -/* Read barrier.  */ -#define READ_MEMORY_BARRIER() \ -     __asm__ __volatile__("membar #LoadLoad | #LoadStore" : : : "memory") -/* Write barrier.  */ -#define WRITE_MEMORY_BARRIER() \ -     __asm__ __volatile__("membar #StoreLoad | #StoreStore" : : : "memory") - - -/* 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 + (2 * 128)) -register char *stack_pointer __asm__ ("%sp"); - - -/* Registers %g6 and %g7 are reserved by the ABI for "system use".  The -   TLS ABI specifies %g7 as the thread pointer.  */ -struct _pthread_descr_struct; -register struct _pthread_descr_struct *__thread_self __asm__ ("%g7"); - -/* 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)) - - -/* Compare-and-swap for semaphores. */ - -#define HAS_COMPARE_AND_SWAP -PT_EI int -__compare_and_swap (long int *p, long int oldval, long int newval) -{ -  long int readval; - -  __asm__ __volatile__ ("casx	[%4], %2, %0" -			: "=r"(readval), "=m"(*p) -			: "r"(oldval), "m"(*p), "r"(p), "0"(newval)); -  MEMORY_BARRIER(); -  return readval == oldval; -} - -/* 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)) - -/* 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 - -#endif /* pt-machine.h */ | 
