/**************************************************************************** * arch/sim/include/setjmp.h * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. The * ASF licenses this file to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the * License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. * ****************************************************************************/ #ifndef __ARCH_SIM_INCLUDE_SETJUMP_H #define __ARCH_SIM_INCLUDE_SETJUMP_H /**************************************************************************** * Included Files ****************************************************************************/ #include #include /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /* Number of registers saved in context switch */ #if defined(CONFIG_HOST_X86_64) && !defined(CONFIG_SIM_M32) /* Storage order: %rbx, %rsp, %rbp, %r12, %r13, %r14, %r15, %rip */ # define XCPTCONTEXT_REGS 9 # define XCPTCONTEXT_SIZE (8 * XCPTCONTEXT_REGS) # ifdef __ASSEMBLY__ # define JB_RBX (0*8) # define JB_RSP (1*8) # define JB_RBP (2*8) # define JB_R12 (3*8) # define JB_R13 (4*8) # define JB_R14 (5*8) # define JB_R15 (6*8) # define JB_RSI (7*8) # define JB_FLAG (8*8) # else # define JB_RBX (0) # define JB_RSP (1) # define JB_RBP (2) # define JB_R12 (3) # define JB_R13 (4) # define JB_R14 (5) # define JB_R15 (6) # define JB_RSI (7) # define JB_FLAG (8) # endif /* __ASSEMBLY__ */ /* Compatibility definitions */ # define JB_FP JB_RBP # define JB_SP JB_RSP # define JB_PC JB_RSI #elif defined(CONFIG_HOST_X86) || defined(CONFIG_SIM_M32) /* Storage order: %ebx, %esi, %edi, %ebp, sp, and return PC */ # define XCPTCONTEXT_REGS (8) # define XCPTCONTEXT_SIZE (4 * XCPTCONTEXT_REGS) # ifdef __ASSEMBLY__ # define JB_EBX (0*4) # define JB_ESI (1*4) # define JB_EDI (2*4) # define JB_EBP (3*4) # define JB_SP (4*4) # define JB_PC (5*4) # define JB_FLAG (6*4) # define JB_FLAG1 (7*4) # else # define JB_EBX (0) # define JB_ESI (1) # define JB_EDI (2) # define JB_EBP (3) # define JB_SP (4) # define JB_PC (5) # define JB_FLAG (6) # define JB_FLAG1 (7) # endif /* __ASSEMBLY__ */ /* Compatibility definitions */ # define JB_FP JB_EBP #elif defined(CONFIG_HOST_ARM) # define XCPTCONTEXT_REGS 18 # define XCPTCONTEXT_SIZE (4 * XCPTCONTEXT_REGS) # define JB_FP 7 # define JB_SP 8 # define JB_PC 9 # define JB_FLAG 16 # define JB_FLAG1 17 #elif defined(CONFIG_HOST_ARM64) # define XCPTCONTEXT_REGS 33 # define XCPTCONTEXT_SIZE (8 * XCPTCONTEXT_REGS) # ifdef __ASSEMBLY__ # define JB_X19_X20 #0x00 # define JB_X21_X22 #0x10 # define JB_X23_X24 #0x20 # define JB_X25_X26 #0x30 # define JB_X27_X28 #0x40 # define JB_X29_XLR #0x50 # define JB_XFP_XSP #0x60 # define JB_D08_D09 #0x70 # define JB_D10_D11 #0x80 # define JB_D12_D13 #0x90 # define JB_D14_D15 #0xA0 # else # define JB_PC (11) # define JB_FP (12) # define JB_SP (13) # define JB_FLAG (32) # endif /* __ASSEMBLY__ */ #endif /**************************************************************************** * Public Types ****************************************************************************/ #ifndef __ASSEMBLY__ typedef unsigned long xcpt_reg_t; typedef xcpt_reg_t jmp_buf[XCPTCONTEXT_REGS]; #endif /**************************************************************************** * Public Function Prototypes ****************************************************************************/ #ifndef __ASSEMBLY__ #ifdef __cplusplus #define EXTERN extern "C" extern "C" { #else #define EXTERN extern #endif int setjmp(jmp_buf env); void longjmp(jmp_buf env, int val) noreturn_function; #undef EXTERN #ifdef __cplusplus } #endif #endif /* !__ASSEMBLY__ */ #endif /* __ARCH_SIM_INCLUDE_SETJUMP_H */