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(__riscv)
  23   /* Program counter.  */
  24   long int __pc;
  25   /* Callee-saved registers.  */
  26   long int __regs[12];
  27   /* Stack pointer.  */
  28   long int __sp;
  29   /* Callee-saved floating point registers.  */
  30 #if __riscv_float_abi_double
  31   double __fpregs[12];
  32 #elif defined(__riscv_float_abi_single)
  33 #error "__jmp_buf not available for your target architecture."
  34 #endif
  35 #elif defined(__arm__)
  36   // r4, r5, r6, r7, r8, r9, r10, r11, r12, lr
  37   long opaque[10];
  38 #else
  39 #error "__jmp_buf not available for your target architecture."
  40 #endif
  41 } __jmp_buf;
  42
  43 typedef __jmp_buf jmp_buf[1];
  44
  45 #endif // LLVM_LIBC_TYPES_JMP_BUF_H