shared/sysdep/ptrace_user.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #include <generated/user_constants.h>
0003
0004 #define PT_OFFSET(r) ((r) * sizeof(long))
0005
0006 #define PT_SYSCALL_NR(regs) ((regs)[HOST_ORIG_AX])
0007 #define PT_SYSCALL_NR_OFFSET PT_OFFSET(HOST_ORIG_AX)
0008
0009 #define PT_SYSCALL_RET_OFFSET PT_OFFSET(HOST_AX)
0010
0011 #define REGS_IP_INDEX HOST_IP
0012 #define REGS_SP_INDEX HOST_SP
0013
0014 #ifdef __i386__
0015 #define FP_SIZE ((HOST_FPX_SIZE > HOST_FP_SIZE) ? HOST_FPX_SIZE : HOST_FP_SIZE)
0016 #else
0017 #define FP_SIZE HOST_FP_SIZE
0018
0019 /*
0020  * x86_64 FC3 doesn't define this in /usr/include/linux/ptrace.h even though
0021  * it's defined in the kernel's include/linux/ptrace.h. Additionally, use the
0022  * 2.4 name and value for 2.4 host compatibility.
0023  */
0024 #ifndef PTRACE_OLDSETOPTIONS
0025 #define PTRACE_OLDSETOPTIONS 21
0026 #endif
0027
0028 #endif