diff options
Diffstat (limited to 'nptl/sysdeps/alpha')
| -rw-r--r-- | nptl/sysdeps/alpha/Makefile | 21 | ||||
| -rw-r--r-- | nptl/sysdeps/alpha/elf/pt-initfini.c | 89 | ||||
| -rw-r--r-- | nptl/sysdeps/alpha/pthread_spin_lock.S | 45 | ||||
| -rw-r--r-- | nptl/sysdeps/alpha/pthread_spin_trylock.S | 46 | ||||
| -rw-r--r-- | nptl/sysdeps/alpha/pthreaddef.h | 38 | ||||
| -rw-r--r-- | nptl/sysdeps/alpha/tcb-offsets.sym | 14 | ||||
| -rw-r--r-- | nptl/sysdeps/alpha/tls.h | 149 |
7 files changed, 0 insertions, 402 deletions
diff --git a/nptl/sysdeps/alpha/Makefile b/nptl/sysdeps/alpha/Makefile deleted file mode 100644 index 88c106bbbf..0000000000 --- a/nptl/sysdeps/alpha/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/nptl/sysdeps/alpha/elf/pt-initfini.c b/nptl/sysdeps/alpha/elf/pt-initfini.c deleted file mode 100644 index ba2e419d61..0000000000 --- a/nptl/sysdeps/alpha/elf/pt-initfini.c +++ /dev/null @@ -1,89 +0,0 @@ -/* Special .init and .fini section support for Alpha. NPTL 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. */ - -/* 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. - - This differs from what would be generated by the generic code in that - we save and restore the GP within the function. In order for linker - relaxation to work, the value in the GP register on exit from a function - must be valid for the function entry point. Normally, a function is - contained within one object file and this is not an issue, provided - that the function reloads the gp after making any function calls. - However, _init and _fini are constructed from pieces of many object - files, all of which may have different GP values. So we must reload - the GP value from crti.o in crtn.o. */ - -__asm__ (" \n\ -#include \"defs.h\" \n\ - \n\ -/*@HEADER_ENDS*/ \n\ - \n\ -/*@_init_PROLOG_BEGINS*/ \n\ - .section .init, \"ax\", @progbits \n\ - .globl _init \n\ - .type _init,@function \n\ - .usepv _init,std \n\ -_init: \n\ - ldgp $29, 0($27) \n\ - subq $30, 16, $30 \n\ - stq $26, 0($30) \n\ - stq $29, 8($30) \n\ - bsr $26, __pthread_initialize_minimal_internal !samegp \n\ - .align 3 \n\ -/*@_init_PROLOG_ENDS*/ \n\ - \n\ -/*@_init_EPILOG_BEGINS*/ \n\ - .section .init, \"ax\", @progbits \n\ - ldq $26, 0($30) \n\ - ldq $29, 8($30) \n\ - addq $30, 16, $30 \n\ - ret \n\ -/*@_init_EPILOG_ENDS*/ \n\ - \n\ -/*@_fini_PROLOG_BEGINS*/ \n\ - .section .fini, \"ax\", @progbits \n\ - .globl _fini \n\ - .type _fini,@function \n\ - .usepv _fini,std \n\ -_fini: \n\ - ldgp $29, 0($27) \n\ - subq $30, 16, $30 \n\ - stq $26, 0($30) \n\ - stq $29, 8($30) \n\ - .align 3 \n\ -/*@_fini_PROLOG_ENDS*/ \n\ - \n\ -/*@_fini_EPILOG_BEGINS*/ \n\ - .section .fini, \"ax\", @progbits \n\ - ldq $26, 0($30) \n\ - ldq $29, 8($30) \n\ - addq $30, 16, $30 \n\ - ret \n\ -/*@_fini_EPILOG_ENDS*/ \n\ - \n\ -/*@TRAILER_BEGINS*/ \n\ -"); diff --git a/nptl/sysdeps/alpha/pthread_spin_lock.S b/nptl/sysdeps/alpha/pthread_spin_lock.S deleted file mode 100644 index ce6cd41a42..0000000000 --- a/nptl/sysdeps/alpha/pthread_spin_lock.S +++ /dev/null @@ -1,45 +0,0 @@ -/* Copyright (C) 2003 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Richard Henderson <rth@twiddle.net>, 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. */ - - - .text - .align 4 - - .globl pthread_spin_lock - .ent pthread_spin_lock -pthread_spin_lock: - .frame $sp, 0, $26, 0 - .prologue 0 - -0: ldl_l $1, 0($16) - lda $2, 1 - lda $0, 0 - bne $1, 1f - - stl_c $2, 0($16) - beq $2, 1f - mb - ret - -1: ldl $1, 0($16) - bne $1, 1b - unop - br 0b - - .end pthread_spin_lock diff --git a/nptl/sysdeps/alpha/pthread_spin_trylock.S b/nptl/sysdeps/alpha/pthread_spin_trylock.S deleted file mode 100644 index 0948da698b..0000000000 --- a/nptl/sysdeps/alpha/pthread_spin_trylock.S +++ /dev/null @@ -1,46 +0,0 @@ -/* Copyright (C) 2003 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Richard Henderson <rth@twiddle.net>, 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. */ - - -#define _ERRNO_H 1 -#include <bits/errno.h> - - .text - .align 4 - - .globl pthread_spin_trylock - .ent pthread_spin_trylock -pthread_spin_trylock: - .frame $sp, 0, $26, 0 - .prologue 0 - -0: ldl_l $1, 0($16) - lda $2, 1 - lda $0, EBUSY - bne $1, 1f - - stl_c $2, 0($16) - beq $2, 2f - mb - lda $0, 0 - -1: ret -2: br 0b - - .end pthread_spin_trylock diff --git a/nptl/sysdeps/alpha/pthreaddef.h b/nptl/sysdeps/alpha/pthreaddef.h deleted file mode 100644 index 26c4daf7b3..0000000000 --- a/nptl/sysdeps/alpha/pthreaddef.h +++ /dev/null @@ -1,38 +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. */ -#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/nptl/sysdeps/alpha/tcb-offsets.sym b/nptl/sysdeps/alpha/tcb-offsets.sym deleted file mode 100644 index c21a791040..0000000000 --- a/nptl/sysdeps/alpha/tcb-offsets.sym +++ /dev/null @@ -1,14 +0,0 @@ -#include <sysdep.h> -#include <tls.h> - --- - --- Abuse tls.h macros to derive offsets relative to the thread register. --- # define __builtin_thread_pointer() ((void *) 0) --- # define thread_offsetof(mem) ((void *) &THREAD_SELF->mem - (void *) 0) --- Ho hum, this doesn't work in gcc4, so Know Things about THREAD_SELF -#define thread_offsetof(mem) (long)(offsetof(struct pthread, mem) - sizeof(struct pthread)) - -MULTIPLE_THREADS_OFFSET thread_offsetof (header.multiple_threads) -PID_OFFSET thread_offsetof (pid) -TID_OFFSET thread_offsetof (tid) diff --git a/nptl/sysdeps/alpha/tls.h b/nptl/sysdeps/alpha/tls.h deleted file mode 100644 index e77b1ffca9..0000000000 --- a/nptl/sysdeps/alpha/tls.h +++ /dev/null @@ -1,149 +0,0 @@ -/* Definition for thread-local data handling. NPTL/Alpha version. - Copyright (C) 2003, 2005, 2006, 2007 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 - -#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 - -/* Get the thread descriptor definition. */ -# include <nptl/descr.h> - -typedef struct -{ - dtv_t *dtv; - void *__private; -} tcbhead_t; - -/* 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 16 - -/* 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) - -/* Alignment requirements for the TCB. */ -# define TLS_TCB_ALIGN 16 - -/* 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) \ - (__builtin_set_thread_pointer ((void *)(tcbp)), NULL) - -/* Return the address of the dtv for the current thread. */ -# define THREAD_DTV() \ - (((tcbhead_t *) __builtin_thread_pointer ())->dtv) - -/* Return the thread descriptor for the current thread. */ -# define THREAD_SELF \ - ((struct pthread *)__builtin_thread_pointer () - 1) - -/* Magic for libthread_db to know how to do THREAD_SELF. */ -# define DB_THREAD_SELF \ - REGISTER (64, 64, 32 * 8, -sizeof (struct pthread)) - -/* Access to data in the thread descriptor is easy. */ -#define THREAD_GETMEM(descr, member) \ - descr->member -#define THREAD_GETMEM_NC(descr, member, idx) \ - descr->member[idx] -#define THREAD_SETMEM(descr, member, value) \ - descr->member = (value) -#define THREAD_SETMEM_NC(descr, member, idx, value) \ - descr->member[idx] = (value) - -/* 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 */ |