1// SPDX-License-Identifier: GPL-2.0
2#include <stdio.h>
3#include <stddef.h>
4#include <signal.h>
5#include <poll.h>
6#include <sys/mman.h>
7#include <sys/user.h>
8#define __FRAME_OFFSETS
9#include <linux/ptrace.h>
10#include <asm/types.h>
11
12#define DEFINE(sym, val) \
13	asm volatile("\n->" #sym " %0 " #val : : "i" (val))
14
15#define DEFINE_LONGS(sym, val) \
16	asm volatile("\n->" #sym " %0 " #val : : "i" (val/sizeof(unsigned long)))
17
18void foo(void)
19{
20#ifdef __i386__
21	DEFINE_LONGS(HOST_FP_SIZE, sizeof(struct user_fpregs_struct));
22	DEFINE_LONGS(HOST_FPX_SIZE, sizeof(struct user_fpxregs_struct));
23
24	DEFINE(HOST_IP, EIP);
25	DEFINE(HOST_SP, UESP);
26	DEFINE(HOST_EFLAGS, EFL);
27	DEFINE(HOST_AX, EAX);
28	DEFINE(HOST_BX, EBX);
29	DEFINE(HOST_CX, ECX);
30	DEFINE(HOST_DX, EDX);
31	DEFINE(HOST_SI, ESI);
32	DEFINE(HOST_DI, EDI);
33	DEFINE(HOST_BP, EBP);
34	DEFINE(HOST_CS, CS);
35	DEFINE(HOST_SS, SS);
36	DEFINE(HOST_DS, DS);
37	DEFINE(HOST_FS, FS);
38	DEFINE(HOST_ES, ES);
39	DEFINE(HOST_GS, GS);
40	DEFINE(HOST_ORIG_AX, ORIG_EAX);
41#else
42#ifdef FP_XSTATE_MAGIC1
43	DEFINE_LONGS(HOST_FP_SIZE, 2696);
44#else
45	DEFINE(HOST_FP_SIZE, sizeof(struct _fpstate) / sizeof(unsigned long));
46#endif
47	DEFINE_LONGS(HOST_BX, RBX);
48	DEFINE_LONGS(HOST_CX, RCX);
49	DEFINE_LONGS(HOST_DI, RDI);
50	DEFINE_LONGS(HOST_SI, RSI);
51	DEFINE_LONGS(HOST_DX, RDX);
52	DEFINE_LONGS(HOST_BP, RBP);
53	DEFINE_LONGS(HOST_AX, RAX);
54	DEFINE_LONGS(HOST_R8, R8);
55	DEFINE_LONGS(HOST_R9, R9);
56	DEFINE_LONGS(HOST_R10, R10);
57	DEFINE_LONGS(HOST_R11, R11);
58	DEFINE_LONGS(HOST_R12, R12);
59	DEFINE_LONGS(HOST_R13, R13);
60	DEFINE_LONGS(HOST_R14, R14);
61	DEFINE_LONGS(HOST_R15, R15);
62	DEFINE_LONGS(HOST_ORIG_AX, ORIG_RAX);
63	DEFINE_LONGS(HOST_CS, CS);
64	DEFINE_LONGS(HOST_SS, SS);
65	DEFINE_LONGS(HOST_EFLAGS, EFLAGS);
66#if 0
67	DEFINE_LONGS(HOST_FS, FS);
68	DEFINE_LONGS(HOST_GS, GS);
69	DEFINE_LONGS(HOST_DS, DS);
70	DEFINE_LONGS(HOST_ES, ES);
71#endif
72
73	DEFINE_LONGS(HOST_IP, RIP);
74	DEFINE_LONGS(HOST_SP, RSP);
75#endif
76
77	DEFINE(UM_FRAME_SIZE, sizeof(struct user_regs_struct));
78	DEFINE(UM_POLLIN, POLLIN);
79	DEFINE(UM_POLLPRI, POLLPRI);
80	DEFINE(UM_POLLOUT, POLLOUT);
81
82	DEFINE(UM_PROT_READ, PROT_READ);
83	DEFINE(UM_PROT_WRITE, PROT_WRITE);
84	DEFINE(UM_PROT_EXEC, PROT_EXEC);
85}
86