kicad/thirdparty/libcontext/libcontext.h

128 lines
3.6 KiB
C++

/*
*
* libcontext - a slightly more portable version of boost::context
*
* Copyright Martin Husemann 2013.
* Copyright Oliver Kowalke 2009.
* Copyright Sergue E. Leontiev 2013.
* Copyright Thomas Sailer 2013.
* Minor modifications by Tomasz Wlostowski 2016.
*
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*
*/
#ifndef __LIBCONTEXT_H
#define __LIBCONTEXT_H
#include <cstddef>
#include <cstdint>
#include <cstdio>
#if defined(__GNUC__) || defined(__APPLE__) || defined(__FreeBSD__)
#undef LIBCONTEXT_HAS_OWN_STACK
#define LIBCONTEXT_COMPILER_gcc
#if defined(__linux__) || defined(__FreeBSD__)
#if defined(__x86_64__) || defined(__amd64__)
#define LIBCONTEXT_PLATFORM_linux_x86_64
#define LIBCONTEXT_CALL_CONVENTION
#elif __i386__
#define LIBCONTEXT_PLATFORM_linux_i386
#define LIBCONTEXT_CALL_CONVENTION
#elif __arm__
#define LIBCONTEXT_PLATFORM_linux_arm32
#define LIBCONTEXT_CALL_CONVENTION
#elif __aarch64__
#define LIBCONTEXT_PLATFORM_linux_arm64
#define LIBCONTEXT_CALL_CONVENTION
#elif (__loongarch__ && _LOONGARCH_SIM == _ABILP64)
#define LIBCONTEXT_PLATFORM_linux_loong64
#define LIBCONTEXT_CALL_CONVENTION
#elif (__mips__ && _MIPS_SIM == _ABI64)
#define LIBCONTEXT_PLATFORM_linux_mips_n64
#define LIBCONTEXT_CALL_CONVENTION
#elif __powerpc__
#ifdef _ARCH_PPC64
#define LIBCONTEXT_PLATFORM_linux_ppc64
#define LIBCONTEXT_CALL_CONVENTION
#elif defined _ARCH_PPC
#define LIBCONTEXT_PLATFORM_linux_ppc32
#define LIBCONTEXT_CALL_CONVENTION
#endif
#elif defined(__riscv)
#if __riscv_xlen == 64
#define LIBCONTEXT_PLATFORM_linux_riscv64
#define LIBCONTEXT_CALL_CONVENTION
#endif
#endif
#elif defined(__MINGW32__) || defined(__MINGW64__)
#if defined(__x86_64__)
#define LIBCONTEXT_COMPILER_gcc
#define LIBCONTEXT_PLATFORM_windows_x86_64
#define LIBCONTEXT_CALL_CONVENTION
#endif
#if defined(__i386__)
#define LIBCONTEXT_COMPILER_gcc
#define LIBCONTEXT_PLATFORM_windows_i386
#define LIBCONTEXT_CALL_CONVENTION __cdecl
#endif
#elif defined(__APPLE__) && defined(__MACH__)
#if defined(__i386__)
#define LIBCONTEXT_PLATFORM_apple_i386
#define LIBCONTEXT_CALL_CONVENTION
#elif defined(__x86_64__)
#define LIBCONTEXT_PLATFORM_apple_x86_64
#define LIBCONTEXT_CALL_CONVENTION
#elif __aarch64__
#define LIBCONTEXT_PLATFORM_apple_arm64
#define LIBCONTEXT_CALL_CONVENTION
#endif
#endif
#elif defined (_MSC_VER )
#define LIBCONTEXT_CALL_CONVENTION __cdecl
#if defined(_WIN64)
#define LIBCONTEXT_PLATFORM_msvc_x86_64
#elif defined(_WIN32)
#define LIBCONTEXT_PLATFORM_msvc_i386
#elif defined( _M_ARM64 )
#define LIBCONTEXT_PLATFORM_msvc_arm64
#endif
#endif
#ifdef __cplusplus
namespace libcontext {
#endif
typedef void* fcontext_t;
#ifdef __cplusplus
extern "C" {
#endif
void LIBCONTEXT_CALL_CONVENTION release_fcontext( fcontext_t ctx );
intptr_t LIBCONTEXT_CALL_CONVENTION jump_fcontext( fcontext_t* ofc, fcontext_t nfc,
intptr_t vp, bool preserve_fpu = true );
fcontext_t LIBCONTEXT_CALL_CONVENTION make_fcontext( void* sp, size_t size,
void (* fn)( intptr_t ) );
#ifdef __cplusplus
} // namespace
#endif
#ifdef __cplusplus
} // extern "C"
#endif
#endif