arch/x86/um/shared/sysdep/ptrace_user.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #include <generated/user_constants.h>
   3
   4 #define PT_OFFSET(r) ((r) * sizeof(long))
   5
   6 #define PT_SYSCALL_NR(regs) ((regs)[HOST_ORIG_AX])
   7 #define PT_SYSCALL_NR_OFFSET PT_OFFSET(HOST_ORIG_AX)
   8
   9 #define PT_SYSCALL_RET_OFFSET PT_OFFSET(HOST_AX)
  10
  11 #define REGS_IP_INDEX HOST_IP
  12 #define REGS_SP_INDEX HOST_SP
  13
  14 #ifdef __i386__
  15 #define FP_SIZE ((HOST_FPX_SIZE > HOST_FP_SIZE) ? HOST_FPX_SIZE : HOST_FP_SIZE)
  16 #else
  17 #define FP_SIZE HOST_FP_SIZE
  18
  19 /*
  20  * x86_64 FC3 doesn't define this in /usr/include/linux/ptrace.h even though
  21  * it's defined in the kernel's include/linux/ptrace.h. Additionally, use the
  22  * 2.4 name and value for 2.4 host compatibility.
  23  */
  24 #ifndef PTRACE_OLDSETOPTIONS
  25 #define PTRACE_OLDSETOPTIONS 21
  26 #endif
  27
  28 #endif