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217 lines
7.4 KiB
C
217 lines
7.4 KiB
C
/* SPDX-License-Identifier: MPL-1.1 OR GPL-2.0-or-later */
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/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the Netscape Portable Runtime library.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1994-2000 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s): Silicon Graphics, Inc.
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*
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* Portions created by SGI are Copyright (C) 2000-2001 Silicon
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* Graphics, Inc. All Rights Reserved.
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU General Public License Version 2 or later (the
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* "GPL"), in which case the provisions of the GPL are applicable
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* instead of those above. If you wish to allow use of your
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* version of this file only under the terms of the GPL and not to
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* allow others to use your version of this file under the MPL,
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* indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by
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* the GPL. If you do not delete the provisions above, a recipient
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* may use your version of this file under either the MPL or the
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* GPL.
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*/
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/*
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* This file is derived directly from Netscape Communications Corporation,
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* and consists of extensive modifications made during the year(s) 1999-2000.
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*/
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#ifndef __ST_MD_H__
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#define __ST_MD_H__
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#if defined(ETIMEDOUT) && !defined(ETIME)
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#define ETIME ETIMEDOUT
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#endif
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#if defined(MAP_ANONYMOUS) && !defined(MAP_ANON)
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#define MAP_ANON MAP_ANONYMOUS
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#endif
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#ifndef MAP_FAILED
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#define MAP_FAILED -1
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#endif
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/* We define the jmpbuf, because the system's is different in different OS */
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typedef struct _st_jmp_buf {
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/*
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* OS CPU SIZE
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* Darwin __amd64__/__x86_64__ long[8]
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* Darwin __aarch64__ long[22]
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* Linux __i386__ long[6]
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* Linux __amd64__/__x86_64__ long[8]
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* Linux __aarch64__ long[22]
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* Linux __arm__ long[16]
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* Linux __mips__/__mips64 long[13]
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* Linux __riscv long[14]
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* Linux __loongarch64 long[12]
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* Cygwin64 __amd64__/__x86_64__ long[8]
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*/
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long __jmpbuf[22];
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} _st_jmp_buf_t[1];
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extern int _st_md_cxt_save(_st_jmp_buf_t env);
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extern void _st_md_cxt_restore(_st_jmp_buf_t env, int val);
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/* Always use builtin setjmp/longjmp, use asm code. */
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#define MD_USE_BUILTIN_SETJMP
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#define MD_SETJMP(env) _st_md_cxt_save(env)
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#define MD_LONGJMP(env, val) _st_md_cxt_restore(env, val)
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#if defined(USE_LIBC_SETJMP)
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#error The libc setjmp is not supported now
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#endif
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/*****************************************
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* Platform specifics
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*/
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#if defined (DARWIN)
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#define MD_USE_BSD_ANON_MMAP
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#define MD_ACCEPT_NB_INHERITED
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#define MD_HAVE_SOCKLEN_T
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#if defined(__amd64__) || defined(__x86_64__)
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#define MD_GET_SP(_t) *((long *)&((_t)->context[0].__jmpbuf[6]))
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#elif defined(__aarch64__)
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#define MD_GET_SP(_t) *((long *)&((_t)->context[0].__jmpbuf[13]))
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#else
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#error Unknown CPU architecture
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#endif
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#define MD_INIT_CONTEXT(_thread, _sp, _main) \
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ST_BEGIN_MACRO \
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if (MD_SETJMP((_thread)->context)) \
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_main(); \
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MD_GET_SP(_thread) = (long) (_sp); \
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ST_END_MACRO
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#define MD_GET_UTIME() \
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struct timeval tv; \
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(void) gettimeofday(&tv, NULL); \
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return (tv.tv_sec * 1000000LL + tv.tv_usec)
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#elif defined (LINUX)
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/*
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* These are properties of the linux kernel and are the same on every
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* flavor and architecture.
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*/
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#define MD_USE_BSD_ANON_MMAP
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#define MD_ACCEPT_NB_NOT_INHERITED
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/*
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* Modern GNU/Linux is Posix.1g compliant.
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*/
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#define MD_HAVE_SOCKLEN_T
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/*
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* All architectures and flavors of linux have the gettimeofday
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* function but if you know of a faster way, use it.
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*/
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#define MD_GET_UTIME() \
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struct timeval tv; \
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(void) gettimeofday(&tv, NULL); \
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return (tv.tv_sec * 1000000LL + tv.tv_usec)
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#if defined(__i386__)
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#define MD_GET_SP(_t) *((long *)&((_t)->context[0].__jmpbuf[4]))
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#elif defined(__amd64__) || defined(__x86_64__)
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#define MD_GET_SP(_t) *((long *)&((_t)->context[0].__jmpbuf[6]))
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#elif defined(__aarch64__)
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/* https://github.com/ossrs/state-threads/issues/9 */
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#define MD_GET_SP(_t) *((long *)&((_t)->context[0].__jmpbuf[13]))
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#elif defined(__arm__)
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/* https://github.com/ossrs/state-threads/issues/1#issuecomment-244648573 */
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#define MD_GET_SP(_t) *((long *)&((_t)->context[0].__jmpbuf[8]))
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#elif defined(__mips64)
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/* https://github.com/ossrs/state-threads/issues/21 */
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#define MD_GET_SP(_t) *((long *)&((_t)->context[0].__jmpbuf[0]))
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#elif defined(__mips__)
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/* https://github.com/ossrs/state-threads/issues/21 */
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#define MD_GET_SP(_t) *((long *)&((_t)->context[0].__jmpbuf[0]))
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#elif defined(__riscv)
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/* https://github.com/ossrs/state-threads/pull/28 */
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#define MD_GET_SP(_t) *((long *)&((_t)->context[0].__jmpbuf[0]))
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#elif defined(__loongarch64)
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/* https://github.com/ossrs/state-threads/issues/24 */
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#define MD_GET_SP(_t) *((long *)&((_t)->context[0].__jmpbuf[0]))
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#else
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#error "Unknown CPU architecture"
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#endif /* Cases with common MD_INIT_CONTEXT and different SP locations */
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#define MD_INIT_CONTEXT(_thread, _sp, _main) \
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ST_BEGIN_MACRO \
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if (MD_SETJMP((_thread)->context)) \
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_main(); \
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MD_GET_SP(_thread) = (long) (_sp); \
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ST_END_MACRO
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#elif defined (CYGWIN64)
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// For CYGWIN64, build SRS on Windows.
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#define MD_USE_BSD_ANON_MMAP
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#define MD_ACCEPT_NB_INHERITED
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#define MD_HAVE_SOCKLEN_T
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#define MD_USE_BUILTIN_SETJMP
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#if defined(__amd64__) || defined(__x86_64__)
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#define MD_GET_SP(_t) *((long *)&((_t)->context[0].__jmpbuf[6]))
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#else
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#error Unknown CPU architecture
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#endif
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#define MD_INIT_CONTEXT(_thread, _sp, _main) \
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ST_BEGIN_MACRO \
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if (MD_SETJMP((_thread)->context)) \
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_main(); \
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MD_GET_SP(_thread) = (long) (_sp); \
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ST_END_MACRO
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#define MD_GET_UTIME() \
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struct timeval tv; \
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(void) gettimeofday(&tv, NULL); \
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return (tv.tv_sec * 1000000LL + tv.tv_usec)
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#else
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#error Unknown OS
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#endif /* OS */
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#ifndef MD_STACK_PAD_SIZE
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#define MD_STACK_PAD_SIZE 128
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#endif
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#if !defined(MD_HAVE_SOCKLEN_T) && !defined(socklen_t)
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#define socklen_t int
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#endif
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#ifndef MD_CAP_STACK
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#define MD_CAP_STACK(var_addr)
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#endif
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#endif /* !__ST_MD_H__ */
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