1 //===-- Definition of type jmp_buf ----------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_LIBC_TYPES_JMP_BUF_H 10 #define LLVM_LIBC_TYPES_JMP_BUF_H 11 12 typedef struct { 13 #ifdef __x86_64__ 14 __UINT64_TYPE__ rbx; 15 __UINT64_TYPE__ rbp; 16 __UINT64_TYPE__ r12; 17 __UINT64_TYPE__ r13; 18 __UINT64_TYPE__ r14; 19 __UINT64_TYPE__ r15; 20 __UINTPTR_TYPE__ rsp; 21 __UINTPTR_TYPE__ rip; 22 #elif defined(__i386__) 23 long ebx; 24 long esi; 25 long edi; 26 long ebp; 27 long esp; 28 long eip; 29 #elif defined(__riscv) 30 /* Program counter. */ 31 long int __pc; 32 /* Callee-saved registers. */ 33 long int __regs[12]; 34 /* Stack pointer. */ 35 long int __sp; 36 /* Callee-saved floating point registers. */ 37 #if __riscv_float_abi_double 38 double __fpregs[12]; 39 #elif defined(__riscv_float_abi_single) 40 #error "__jmp_buf not available for your target architecture." 41 #endif 42 #elif defined(__arm__) 43 // r4, r5, r6, r7, r8, r9, r10, r11, r12, lr 44 long opaque[10]; 45 #elif defined(__aarch64__) 46 long opaque[14]; // x19-x29, lr, sp, optional x18 47 #if __ARM_FP 48 long fopaque[8]; // d8-d15 49 #endif 50 #else 51 #error "__jmp_buf not available for your target architecture." 52 #endif 53 } __jmp_buf; 54 55 typedef __jmp_buf jmp_buf[1]; 56 57 #endif // LLVM_LIBC_TYPES_JMP_BUF_H 58