1 /* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 #include <pt-machine.h>
23 # include <linuxthreads/internals.h>
26 #if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
32 # define PSEUDO(name, syscall_name, args) \
37 DO_CALL (syscall_name, args); \
54 DO_CALL(syscall_name, args); \
68 SYSCALL_ERROR_HANDLER; \
72 # define PSEUDO_END(sym) \
75 # define SAVE_ARGS_0 /* Nothing. */
76 # define SAVE_ARGS_1 SAVE_ARGS_0; mov.l r4,@(0,r15)
77 # define SAVE_ARGS_2 SAVE_ARGS_1; mov.l r5,@(4,r15)
78 # define SAVE_ARGS_3 SAVE_ARGS_2; mov.l r6,@(8,r15)
79 # define SAVE_ARGS_4 SAVE_ARGS_3; mov.l r7,@(12,r15)
80 # define SAVE_ARGS_5 SAVE_ARGS_4
81 # define SAVE_ARGS_6 SAVE_ARGS_5
83 # define LOAD_ARGS_0 /* Nothing. */
84 # define LOAD_ARGS_1 LOAD_ARGS_0; mov.l @(0,r15),r4
85 # define LOAD_ARGS_2 LOAD_ARGS_1; mov.l @(4,r15),r5
86 # define LOAD_ARGS_3 LOAD_ARGS_2; mov.l @(8,r15),r6
87 # define LOAD_ARGS_4 LOAD_ARGS_3; mov.l @(12,r15),r7
88 # define LOAD_ARGS_5 LOAD_ARGS_4
89 # define LOAD_ARGS_6 LOAD_ARGS_5
91 # ifdef IS_IN_libpthread
92 # define __local_enable_asynccancel __pthread_enable_asynccancel
93 # define __local_disable_asynccancel __pthread_disable_asynccancel
94 # define __local_multiple_threads __pthread_multiple_threads
95 # elif !defined NOT_IN_libc
96 # define __local_enable_asynccancel __libc_enable_asynccancel
97 # define __local_disable_asynccancel __libc_disable_asynccancel
98 # define __local_multiple_threads __libc_multiple_threads
100 # define __local_enable_asynccancel __librt_enable_asynccancel
101 # define __local_disable_asynccancel __librt_disable_asynccancel
102 # define __local_multiple_threads __librt_multiple_threads
105 # if defined IS_IN_librt && defined PIC
117 1: .long _GLOBAL_OFFSET_TABLE_; \
118 2: .long __local_enable_asynccancel@PLT - (0b-.); \
132 1: .long _GLOBAL_OFFSET_TABLE_; \
133 2: .long __local_disable_asynccancel@PLT - (0b-.); \
143 1: .long __local_enable_asynccancel - 0b; \
153 1: .long __local_disable_asynccancel - 0b; \
157 # ifndef __ASSEMBLER__
158 # if defined FLOATING_STACKS && USE___THREAD && defined PIC
159 # define SINGLE_THREAD_P \
160 __builtin_expect (THREAD_GETMEM (THREAD_SELF, p_multiple_threads) == 0, 1)
162 extern int __local_multiple_threads attribute_hidden
;
163 # define SINGLE_THREAD_P __builtin_expect (__local_multiple_threads == 0, 1)
167 # define SINGLE_THREAD_P \
173 1: .long __local_multiple_threads; \
175 # elif defined FLOATING_STACKS && USE___THREAD
176 # define SINGLE_THREAD_P \
180 mov.l @(MULTIPLE_THREADS_OFFSET,r0),r0; \
183 0: .word TLS_PRE_TCB_SIZE; \
187 # if !defined NOT_IN_libc || defined IS_IN_libpthread
188 # define SINGLE_THREAD_P \
194 mov.l @(r0,r12),r0; \
199 0: .long _GLOBAL_OFFSET_TABLE_; \
200 1: .long __local_multiple_threads@GOTOFF; \
203 # define SINGLE_THREAD_P \
209 mov.l @(r0,r12),r0; \
215 0: .long _GLOBAL_OFFSET_TABLE_; \
216 1: .long __local_multiple_threads@GOT; \
222 #elif !defined __ASSEMBLER__
224 /* This code should never be used but we define it anyhow. */
225 # define SINGLE_THREAD_P (1)