libc/include/llvm-libc-types/jmp_buf.h

   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