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
29