1// SPDX-License-Identifier: GPL-2.0
  2#include <stdio.h>
  3#include <stddef.h>
  4#include <signal.h>
  5#include <sys/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#ifdef __i386__
 13#define __SYSCALL_I386(nr, sym, qual) [nr] = 1,
 14static char syscalls[] = {
 15#include <asm/syscalls_32.h>
 16};
 17#else
 18#define __SYSCALL_64(nr, sym, qual) [nr] = 1,
 19static char syscalls[] = {
 20#include <asm/syscalls_64.h>
 21};
 22#endif
 23
 24#define DEFINE(sym, val) \
 25	asm volatile("\n->" #sym " %0 " #val : : "i" (val))
 26
 27#define DEFINE_LONGS(sym, val) \
 28	asm volatile("\n->" #sym " %0 " #val : : "i" (val/sizeof(unsigned long)))
 29
 30void foo(void)
 31{
 32#ifdef __i386__
 33	DEFINE_LONGS(HOST_FP_SIZE, sizeof(struct user_fpregs_struct));
 34	DEFINE_LONGS(HOST_FPX_SIZE, sizeof(struct user_fpxregs_struct));
 35
 36	DEFINE(HOST_IP, EIP);
 37	DEFINE(HOST_SP, UESP);
 38	DEFINE(HOST_EFLAGS, EFL);
 39	DEFINE(HOST_AX, EAX);
 40	DEFINE(HOST_BX, EBX);
 41	DEFINE(HOST_CX, ECX);
 42	DEFINE(HOST_DX, EDX);
 43	DEFINE(HOST_SI, ESI);
 44	DEFINE(HOST_DI, EDI);
 45	DEFINE(HOST_BP, EBP);
 46	DEFINE(HOST_CS, CS);
 47	DEFINE(HOST_SS, SS);
 48	DEFINE(HOST_DS, DS);
 49	DEFINE(HOST_FS, FS);
 50	DEFINE(HOST_ES, ES);
 51	DEFINE(HOST_GS, GS);
 52	DEFINE(HOST_ORIG_AX, ORIG_EAX);
 53#else
 54#ifdef FP_XSTATE_MAGIC1
 55	DEFINE_LONGS(HOST_FP_SIZE, 2696);
 56#else
 57	DEFINE(HOST_FP_SIZE, sizeof(struct _fpstate) / sizeof(unsigned long));
 58#endif
 59	DEFINE_LONGS(HOST_BX, RBX);
 60	DEFINE_LONGS(HOST_CX, RCX);
 61	DEFINE_LONGS(HOST_DI, RDI);
 62	DEFINE_LONGS(HOST_SI, RSI);
 63	DEFINE_LONGS(HOST_DX, RDX);
 64	DEFINE_LONGS(HOST_BP, RBP);
 65	DEFINE_LONGS(HOST_AX, RAX);
 66	DEFINE_LONGS(HOST_R8, R8);
 67	DEFINE_LONGS(HOST_R9, R9);
 68	DEFINE_LONGS(HOST_R10, R10);
 69	DEFINE_LONGS(HOST_R11, R11);
 70	DEFINE_LONGS(HOST_R12, R12);
 71	DEFINE_LONGS(HOST_R13, R13);
 72	DEFINE_LONGS(HOST_R14, R14);
 73	DEFINE_LONGS(HOST_R15, R15);
 74	DEFINE_LONGS(HOST_ORIG_AX, ORIG_RAX);
 75	DEFINE_LONGS(HOST_CS, CS);
 76	DEFINE_LONGS(HOST_SS, SS);
 77	DEFINE_LONGS(HOST_EFLAGS, EFLAGS);
 78#if 0
 79	DEFINE_LONGS(HOST_FS, FS);
 80	DEFINE_LONGS(HOST_GS, GS);
 81	DEFINE_LONGS(HOST_DS, DS);
 82	DEFINE_LONGS(HOST_ES, ES);
 83#endif
 84
 85	DEFINE_LONGS(HOST_IP, RIP);
 86	DEFINE_LONGS(HOST_SP, RSP);
 87#endif
 88
 89	DEFINE(UM_FRAME_SIZE, sizeof(struct user_regs_struct));
 90	DEFINE(UM_POLLIN, POLLIN);
 91	DEFINE(UM_POLLPRI, POLLPRI);
 92	DEFINE(UM_POLLOUT, POLLOUT);
 93
 94	DEFINE(UM_PROT_READ, PROT_READ);
 95	DEFINE(UM_PROT_WRITE, PROT_WRITE);
 96	DEFINE(UM_PROT_EXEC, PROT_EXEC);
 97
 98	DEFINE(__NR_syscall_max, sizeof(syscalls) - 1);
 99	DEFINE(NR_syscalls, sizeof(syscalls));
100}