mirror of
https://github.com/golang/go
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![Lucio De Re](/assets/img/avatar_default.png)
. By defining getcallerpc(x) as __builtin_return_address(0) here, it becomes possible to use the Plan 9 compatible form when compiling using GCC. The alternative is to add conditional compilation based on the compiler identity in "cmd/8g/gsubr.c" to distinguish between the two cases. R=golang-dev CC=golang-dev, rsc https://golang.org/cl/4800048
231 lines
5.5 KiB
C
231 lines
5.5 KiB
C
/*
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Plan 9 from User Space include/u.h
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http://code.swtch.com/plan9port/src/tip/include/u.h
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Copyright 2001-2007 Russ Cox. All Rights Reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#ifndef _U_H_
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#define _U_H_ 1
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#if defined(__cplusplus)
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extern "C" {
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#endif
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#define __BSD_VISIBLE 1 /* FreeBSD 5.x */
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#if defined(__sun__)
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# define __EXTENSIONS__ 1 /* SunOS */
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# if defined(__SunOS5_6__) || defined(__SunOS5_7__) || defined(__SunOS5_8__)
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/* NOT USING #define __MAKECONTEXT_V2_SOURCE 1 / * SunOS */
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# else
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# define __MAKECONTEXT_V2_SOURCE 1
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# endif
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#endif
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#define _BSD_SOURCE 1
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#define _NETBSD_SOURCE 1 /* NetBSD */
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#define _SVID_SOURCE 1
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#if !defined(__APPLE__) && !defined(__OpenBSD__)
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# define _XOPEN_SOURCE 1000
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# define _XOPEN_SOURCE_EXTENDED 1
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#endif
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#if defined(__FreeBSD__)
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# include <sys/cdefs.h>
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/* for strtoll */
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# undef __ISO_C_VISIBLE
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# define __ISO_C_VISIBLE 1999
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# undef __LONG_LONG_SUPPORTED
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# define __LONG_LONG_SUPPORTED
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#endif
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#define _LARGEFILE64_SOURCE 1
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#define _FILE_OFFSET_BITS 64
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#include <inttypes.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <fcntl.h>
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#include <assert.h>
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#include <setjmp.h>
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#include <stddef.h>
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#include <math.h>
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#include <ctype.h> /* for tolower */
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#include <signal.h>
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#include <time.h>
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/*
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* OS-specific crap
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*/
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#define _NEEDUCHAR 1
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#define _NEEDUSHORT 1
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#define _NEEDUINT 1
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#define _NEEDULONG 1
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#ifdef _WIN32
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typedef jmp_buf sigjmp_buf;
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#endif
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typedef long p9jmp_buf[sizeof(sigjmp_buf)/sizeof(long)];
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#if defined(__linux__)
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# include <sys/types.h>
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# if defined(__Linux26__)
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# include <pthread.h>
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# define PLAN9PORT_USING_PTHREADS 1
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# endif
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# if defined(__USE_MISC)
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# undef _NEEDUSHORT
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# undef _NEEDUINT
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# undef _NEEDULONG
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# endif
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#elif defined(__sun__)
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# include <sys/types.h>
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# include <pthread.h>
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# define PLAN9PORT_USING_PTHREADS 1
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# undef _NEEDUSHORT
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# undef _NEEDUINT
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# undef _NEEDULONG
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# define nil 0 /* no cast to void* */
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#elif defined(__FreeBSD__)
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# include <sys/types.h>
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# include <osreldate.h>
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# if __FreeBSD_version >= 500000
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# define PLAN9PORT_USING_PTHREADS 1
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# include <pthread.h>
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# endif
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# if !defined(_POSIX_SOURCE)
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# undef _NEEDUSHORT
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# undef _NEEDUINT
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# endif
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#elif defined(__APPLE__)
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# include <sys/types.h>
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# include <pthread.h>
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# define PLAN9PORT_USING_PTHREADS 1
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# if __GNUC__ < 4
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# undef _NEEDUSHORT
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# undef _NEEDUINT
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# endif
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# undef _ANSI_SOURCE
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# undef _POSIX_C_SOURCE
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# undef _XOPEN_SOURCE
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# if !defined(NSIG)
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# define NSIG 32
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# endif
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# define _NEEDLL 1
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#elif defined(__NetBSD__)
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# include <sched.h>
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# include <sys/types.h>
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# undef _NEEDUSHORT
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# undef _NEEDUINT
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# undef _NEEDULONG
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#elif defined(__OpenBSD__)
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# include <sys/types.h>
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# undef _NEEDUSHORT
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# undef _NEEDUINT
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# undef _NEEDULONG
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#elif defined(_WIN32)
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#else
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/* No idea what system this is -- try some defaults */
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# include <pthread.h>
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# define PLAN9PORT_USING_PTHREADS 1
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#endif
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#ifndef O_DIRECT
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#define O_DIRECT 0
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#endif
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typedef signed char schar;
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#ifdef _NEEDUCHAR
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typedef unsigned char uchar;
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#endif
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#ifdef _NEEDUSHORT
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typedef unsigned short ushort;
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#endif
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#ifdef _NEEDUINT
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typedef unsigned int uint;
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#endif
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#ifdef _NEEDULONG
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typedef unsigned long ulong;
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#endif
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typedef unsigned long long uvlong;
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typedef long long vlong;
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typedef uint64_t u64int;
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typedef int64_t s64int;
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typedef uint8_t u8int;
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typedef int8_t s8int;
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typedef uint16_t u16int;
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typedef int16_t s16int;
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typedef uintptr_t uintptr;
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typedef intptr_t intptr;
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typedef uint32_t u32int;
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typedef int32_t s32int;
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typedef s8int int8;
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typedef u8int uint8;
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typedef s16int int16;
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typedef u16int uint16;
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typedef s32int int32;
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typedef u32int uint32;
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typedef s64int int64;
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typedef u64int uint64;
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#undef _NEEDUCHAR
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#undef _NEEDUSHORT
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#undef _NEEDUINT
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#undef _NEEDULONG
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#define getcallerpc(x) __builtin_return_address(0)
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#ifndef SIGBUS
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#define SIGBUS SIGSEGV /* close enough */
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#endif
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/*
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* Funny-named symbols to tip off 9l to autolink.
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*/
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#define AUTOLIB(x) static int __p9l_autolib_ ## x = 1;
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#define AUTOFRAMEWORK(x) static int __p9l_autoframework_ ## x = 1;
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/*
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* Gcc is too smart for its own good.
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*/
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#if defined(__GNUC__)
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# undef strcmp /* causes way too many warnings */
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# if __GNUC__ >= 4 || (__GNUC__==3 && !defined(__APPLE_CC__) && !defined(_WIN32))
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# undef AUTOLIB
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# define AUTOLIB(x) int __p9l_autolib_ ## x __attribute__ ((weak));
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# undef AUTOFRAMEWORK
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# define AUTOFRAMEWORK(x) int __p9l_autoframework_ ## x __attribute__ ((weak));
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# else
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# undef AUTOLIB
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# define AUTOLIB(x) static int __p9l_autolib_ ## x __attribute__ ((unused));
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# undef AUTOFRAMEWORK
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# define AUTOFRAMEWORK(x) static int __p9l_autoframework_ ## x __attribute__ ((unused));
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# endif
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#endif
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#if defined(__cplusplus)
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}
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#endif
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#endif
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