diff options
Diffstat (limited to 'libpthread/nptl/sysdeps/powerpc')
| -rw-r--r-- | libpthread/nptl/sysdeps/powerpc/Makefile | 21 | ||||
| -rw-r--r-- | libpthread/nptl/sysdeps/powerpc/jmpbuf-unwind.h | 31 | ||||
| -rw-r--r-- | libpthread/nptl/sysdeps/powerpc/pthread_spin_lock.c | 45 | ||||
| -rw-r--r-- | libpthread/nptl/sysdeps/powerpc/pthread_spin_trylock.c | 43 | ||||
| -rw-r--r-- | libpthread/nptl/sysdeps/powerpc/pthreaddef.h | 41 | ||||
| -rw-r--r-- | libpthread/nptl/sysdeps/powerpc/tcb-offsets.sym | 16 | ||||
| -rw-r--r-- | libpthread/nptl/sysdeps/powerpc/tls.h | 165 |
7 files changed, 0 insertions, 362 deletions
diff --git a/libpthread/nptl/sysdeps/powerpc/Makefile b/libpthread/nptl/sysdeps/powerpc/Makefile deleted file mode 100644 index 3af245600..000000000 --- a/libpthread/nptl/sysdeps/powerpc/Makefile +++ /dev/null @@ -1,21 +0,0 @@ -# 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. - -ifeq ($(subdir),csu) -gen-as-const-headers += tcb-offsets.sym -endif diff --git a/libpthread/nptl/sysdeps/powerpc/jmpbuf-unwind.h b/libpthread/nptl/sysdeps/powerpc/jmpbuf-unwind.h deleted file mode 100644 index 0b817160d..000000000 --- a/libpthread/nptl/sysdeps/powerpc/jmpbuf-unwind.h +++ /dev/null @@ -1,31 +0,0 @@ -/* Copyright (C) 2003, 2004 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek <jakub@redhat.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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <setjmp.h> -#include <stdint.h> -#include <unwind.h> - -#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \ - _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj) - -#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \ - ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[JB_GPR1] - (_adj)) - -/* We use the normal lobngjmp for unwinding. */ -#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val) diff --git a/libpthread/nptl/sysdeps/powerpc/pthread_spin_lock.c b/libpthread/nptl/sysdeps/powerpc/pthread_spin_lock.c deleted file mode 100644 index e2293fda1..000000000 --- a/libpthread/nptl/sysdeps/powerpc/pthread_spin_lock.c +++ /dev/null @@ -1,45 +0,0 @@ -/* Copyright (C) 2003 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#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/libpthread/nptl/sysdeps/powerpc/pthread_spin_trylock.c b/libpthread/nptl/sysdeps/powerpc/pthread_spin_trylock.c deleted file mode 100644 index d8e1dbcc8..000000000 --- a/libpthread/nptl/sysdeps/powerpc/pthread_spin_trylock.c +++ /dev/null @@ -1,43 +0,0 @@ -/* Copyright (C) 2003 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#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/libpthread/nptl/sysdeps/powerpc/pthreaddef.h b/libpthread/nptl/sysdeps/powerpc/pthreaddef.h deleted file mode 100644 index 342c15c67..000000000 --- a/libpthread/nptl/sysdeps/powerpc/pthreaddef.h +++ /dev/null @@ -1,41 +0,0 @@ -/* 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. */ - -/* 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) - - -/* XXX Until we have a better place keep the definitions here. */ - -/* While there is no such syscall. */ -#define __exit_thread_inline(val) \ - INLINE_SYSCALL (exit, 1, (val)) diff --git a/libpthread/nptl/sysdeps/powerpc/tcb-offsets.sym b/libpthread/nptl/sysdeps/powerpc/tcb-offsets.sym deleted file mode 100644 index 3962edbd5..000000000 --- a/libpthread/nptl/sysdeps/powerpc/tcb-offsets.sym +++ /dev/null @@ -1,16 +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) diff --git a/libpthread/nptl/sysdeps/powerpc/tls.h b/libpthread/nptl/sysdeps/powerpc/tls.h deleted file mode 100644 index a7f69074e..000000000 --- a/libpthread/nptl/sysdeps/powerpc/tls.h +++ /dev/null @@ -1,165 +0,0 @@ -/* Definition for thread-local data handling. NPTL/PowerPC version. - Copyright (C) 2003, 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 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__ */ - - -/* We require TLS support in the tools. */ -#ifndef HAVE_TLS_SUPPORT -# error "TLS support is required." -#endif - -/* Signal that TLS support is available. */ -# define USE_TLS 1 - -#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 - -/* 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> - -/* This layout is actually wholly private and not affected by the ABI. - Nor does it overlap the pthread data structure, so we need nothing - extra here at all. */ -typedef struct -{ - 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, secondcall) \ - (__thread_register = (void *) (tcbp) + TLS_TCB_OFFSET, NULL) - -/* 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)) - -/* 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 - -#endif /* __ASSEMBLER__ */ - -#endif /* tls.h */ |