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Diffstat (limited to 'libcilkrts/runtime/jmpbuf.h')
-rw-r--r-- | libcilkrts/runtime/jmpbuf.h | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/libcilkrts/runtime/jmpbuf.h b/libcilkrts/runtime/jmpbuf.h deleted file mode 100644 index 453d269..0000000 --- a/libcilkrts/runtime/jmpbuf.h +++ /dev/null @@ -1,159 +0,0 @@ -/* jmpbuf.h -*-C++-*- - * - ************************************************************************* - * - * Copyright (C) 2009-2016, Intel Corporation - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY - * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - * ********************************************************************* - * - * PLEASE NOTE: This file is a downstream copy of a file mainitained in - * a repository at cilkplus.org. Changes made to this file that are not - * submitted through the contribution process detailed at - * http://www.cilkplus.org/submit-cilk-contribution will be lost the next - * time that a new version is released. Changes only submitted to the - * GNU compiler collection or posted to the git repository at - * https://bitbucket.org/intelcilkruntime/intel-cilk-runtime.git are - * not tracked. - * - * We welcome your contributions to this open source project. Thank you - * for your assistance in helping us improve Cilk Plus. - **************************************************************************/ - -/** - * @file jmpbuf.h - * - * @brief Macros and functions to access the _JUMP_BUFFER initialized by a - * call to CILK_SETJMP before a cilk_spawn or cilk_sync. The definition of - * CILK_SETJMP and CILK_LONGJMP are OS dependent and in abi.h - * - */ - -#ifndef INCLUDED_JMPBUF_DOT_H -#define INCLUDED_JMPBUF_DOT_H - -#include <cilk/common.h> -#include <internal/abi.h> -#include <stddef.h> -#include <setjmp.h> - -#if 0 /* defined CILK_USE_C_SETJMP && defined JB_RSP */ -# define JMPBUF_SP(ctx) (ctx)[0].__jmpbuf[JB_RSP] -# define JMPBUF_FP(ctx) (ctx)[0].__jmpbuf[JB_RBP] -# define JMPBUF_PC(ctx) (ctx)[0].__jmpbuf[JB_PC] -#elif 0 /* defined CILK_USE_C_SETJMP && defined JB_SP */ -# define JMPBUF_SP(ctx) (ctx)[0].__jmpbuf[JB_SP] -# define JMPBUF_FP(ctx) (ctx)[0].__jmpbuf[JB_BP] -# define JMPBUF_PC(ctx) (ctx)[0].__jmpbuf[JB_PC] -#elif defined _WIN64 -# define JMPBUF_SP(ctx) ((_JUMP_BUFFER*)(&(ctx)))->Rsp -# define JMPBUF_FP(ctx) ((_JUMP_BUFFER*)(&(ctx)))->Rbp -# define JMPBUF_PC(ctx) ((_JUMP_BUFFER*)(&(ctx)))->Rip -#elif defined _WIN32 - /** Fetch stack pointer from a __cilkrts_stack_frame */ -# define JMPBUF_SP(ctx) (ctx).Esp - /** Fetch frame pointer from a __cilkrts_stack_frame */ -# define JMPBUF_FP(ctx) (ctx).Ebp - /** Fetch program counter from a __cilkrts_stack_frame */ -# define JMPBUF_PC(ctx) (ctx).Eip -#else /* defined __GNUC__ || defined __ICC */ - /* word 0 is frame address - * word 1 is resume address - * word 2 is stack address */ -# define JMPBUF_FP(ctx) (ctx)[0] -# define JMPBUF_PC(ctx) (ctx)[1] -# define JMPBUF_SP(ctx) (ctx)[2] -#endif - -/** - * @brief Get frame pointer from jump buffer in__cilkrts_stack_frame. - */ -#define FP(SF) JMPBUF_FP((SF)->ctx) - -/** - * @brief Get program counter from jump buffer in__cilkrts_stack_frame. - */ -#define PC(SF) JMPBUF_PC((SF)->ctx) - -/** - * @brief Get stack pointer from jump buffer in__cilkrts_stack_frame. - */ -#define SP(SF) JMPBUF_SP((SF)->ctx) - -/** - * @brief Some architecture-dependent stack adjustment. - */ -#if defined(__sparcv9) || (defined(__sparc__) && defined(__arch64__)) - // Subtract SPARC V9 stack bias so the actual stack starts at the - // allocated area. -# define CILK_ADJUST_SP(SP) ((SP) - 2047) -# define CILK_UNADJUST_SP(SP) ((SP) + 2047) -#else -# define CILK_ADJUST_SP(SP) (SP) -# define CILK_UNADJUST_SP(SP) (SP) -#endif - -__CILKRTS_BEGIN_EXTERN_C - -/** - * Fetch the stack pointer from a __cilkrts_stack_frame. The jmpbuf was - * initialized before a cilk_spawn or cilk_sync. - * - * @param sf __cilkrts_stack_frame containing the jmpbuf. - * - * @return the stack pointer from the ctx. - */ -inline char *__cilkrts_get_sp(__cilkrts_stack_frame *sf) -{ - return (char *)CILK_UNADJUST_SP(SP(sf)); -} - -/** - * Calculate the frame size from __cilkrts_stack_frame. The jmpbuf was - * initialized before a cilk_spawn or cilk_sync. - * - * @warning Returning an arbitrary value on Windows! - * - * @param sf __cilkrts_stack_frame containing the jmpbuf. - * - * @return the stack pointer from the ctx. - */ -inline ptrdiff_t __cilkrts_get_frame_size(__cilkrts_stack_frame *sf) -{ -#ifdef _WIN32 - if (0 == SP(sf)) - return 256; // Arbitrary! -#endif - return (ptrdiff_t)FP(sf) - (ptrdiff_t)SP(sf); -} - -__CILKRTS_END_EXTERN_C - -#endif // ! defined(INCLUDED_JMPBUF_DOT_H) |