[linux-2.6-block.git] / arch / x86 / um / user-offsets.c

// SPDX-License-Identifier: GPL-2.0
#include <stdio.h>
#include <stddef.h>
#include <signal.h>
#include <sys/poll.h>
#include <sys/mman.h>
#include <sys/user.h>
#define __FRAME_OFFSETS
#include <linux/ptrace.h>
#include <asm/types.h>

#ifdef __i386__
#define __SYSCALL_I386(nr, sym, qual) [nr] = 1,
static char syscalls[] = {
#include <asm/syscalls_32.h>
};
#else
#define __SYSCALL_64(nr, sym, qual) [nr] = 1,
static char syscalls[] = {
#include <asm/syscalls_64.h>
};
#endif

#define DEFINE(sym, val) \
	asm volatile("\n->" #sym " %0 " #val : : "i" (val))

#define DEFINE_LONGS(sym, val) \
	asm volatile("\n->" #sym " %0 " #val : : "i" (val/sizeof(unsigned long)))

void foo(void)
{
#ifdef __i386__
	DEFINE_LONGS(HOST_FP_SIZE, sizeof(struct user_fpregs_struct));
	DEFINE_LONGS(HOST_FPX_SIZE, sizeof(struct user_fpxregs_struct));

	DEFINE(HOST_IP, EIP);
	DEFINE(HOST_SP, UESP);
	DEFINE(HOST_EFLAGS, EFL);
	DEFINE(HOST_AX, EAX);
	DEFINE(HOST_BX, EBX);
	DEFINE(HOST_CX, ECX);
	DEFINE(HOST_DX, EDX);
	DEFINE(HOST_SI, ESI);
	DEFINE(HOST_DI, EDI);
	DEFINE(HOST_BP, EBP);
	DEFINE(HOST_CS, CS);
	DEFINE(HOST_SS, SS);
	DEFINE(HOST_DS, DS);
	DEFINE(HOST_FS, FS);
	DEFINE(HOST_ES, ES);
	DEFINE(HOST_GS, GS);
	DEFINE(HOST_ORIG_AX, ORIG_EAX);
#else
#ifdef FP_XSTATE_MAGIC1
	DEFINE_LONGS(HOST_FP_SIZE, 2696);
#else
	DEFINE(HOST_FP_SIZE, sizeof(struct _fpstate) / sizeof(unsigned long));
#endif
	DEFINE_LONGS(HOST_BX, RBX);
	DEFINE_LONGS(HOST_CX, RCX);
	DEFINE_LONGS(HOST_DI, RDI);
	DEFINE_LONGS(HOST_SI, RSI);
	DEFINE_LONGS(HOST_DX, RDX);
	DEFINE_LONGS(HOST_BP, RBP);
	DEFINE_LONGS(HOST_AX, RAX);
	DEFINE_LONGS(HOST_R8, R8);
	DEFINE_LONGS(HOST_R9, R9);
	DEFINE_LONGS(HOST_R10, R10);
	DEFINE_LONGS(HOST_R11, R11);
	DEFINE_LONGS(HOST_R12, R12);
	DEFINE_LONGS(HOST_R13, R13);
	DEFINE_LONGS(HOST_R14, R14);
	DEFINE_LONGS(HOST_R15, R15);
	DEFINE_LONGS(HOST_ORIG_AX, ORIG_RAX);
	DEFINE_LONGS(HOST_CS, CS);
	DEFINE_LONGS(HOST_SS, SS);
	DEFINE_LONGS(HOST_EFLAGS, EFLAGS);
#if 0
	DEFINE_LONGS(HOST_FS, FS);
	DEFINE_LONGS(HOST_GS, GS);
	DEFINE_LONGS(HOST_DS, DS);
	DEFINE_LONGS(HOST_ES, ES);
#endif

	DEFINE_LONGS(HOST_IP, RIP);
	DEFINE_LONGS(HOST_SP, RSP);
#endif

	DEFINE(UM_FRAME_SIZE, sizeof(struct user_regs_struct));
	DEFINE(UM_POLLIN, POLLIN);
	DEFINE(UM_POLLPRI, POLLPRI);
	DEFINE(UM_POLLOUT, POLLOUT);

	DEFINE(UM_PROT_READ, PROT_READ);
	DEFINE(UM_PROT_WRITE, PROT_WRITE);
	DEFINE(UM_PROT_EXEC, PROT_EXEC);

	DEFINE(__NR_syscall_max, sizeof(syscalls) - 1);
	DEFINE(NR_syscalls, sizeof(syscalls));
}
Commit	Line	Data
b2441318	1	// SPDX-License-Identifier: GPL-2.0
8d0b9dc9 AV	2	#include <stdio.h>
	3	#include <stddef.h>
	4	#include <signal.h>
63ae2a94	5	#include <sys/poll.h>
16dd07bc	6	#include <sys/mman.h>
189872f9	7	#include <sys/user.h>
8d0b9dc9	8	#define __FRAME_OFFSETS
61e8d462	9	#include <linux/ptrace.h>
ba9950c8	10	#include <asm/types.h>
8d0b9dc9	11
45db1c61	12	#ifdef __i386__
cfcbadb4	13	#define __SYSCALL_I386(nr, sym, qual) [nr] = 1,
45db1c61 PA	14	static char syscalls[] = {
	15	#include <asm/syscalls_32.h>
	16	};
	17	#else
cfcbadb4	18	#define __SYSCALL_64(nr, sym, qual) [nr] = 1,
45db1c61 PA	19	static char syscalls[] = {
	20	#include <asm/syscalls_64.h>
	21	};
	22	#endif
	23
8d0b9dc9	24	#define DEFINE(sym, val) \
6582b7f7	25	asm volatile("\n->" #sym " %0 " #val : : "i" (val))
8d0b9dc9	26
ecba97d4	27	#define DEFINE_LONGS(sym, val) \
6582b7f7	28	asm volatile("\n->" #sym " %0 " #val : : "i" (val/sizeof(unsigned long)))
ecba97d4	29
8d0b9dc9 AV	30	void foo(void)
8d0b9dc9 AV	31	{
6582b7f7 AV	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);
3579a389 AV	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);
6582b7f7 AV	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);
966e803a	52	DEFINE(HOST_ORIG_AX, ORIG_EAX);
6582b7f7	53	#else
2fb44600	54	#ifdef FP_XSTATE_MAGIC1
6f602afd	55	DEFINE_LONGS(HOST_FP_SIZE, 2696);
0a987645 FF	56	#else
	57	DEFINE(HOST_FP_SIZE, sizeof(struct _fpstate) / sizeof(unsigned long));
	58	#endif
3579a389 AV	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);
ecba97d4 AV	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);
966e803a	74	DEFINE_LONGS(HOST_ORIG_AX, ORIG_RAX);
ecba97d4 AV	75	DEFINE_LONGS(HOST_CS, CS);
	76	DEFINE_LONGS(HOST_SS, SS);
	77	DEFINE_LONGS(HOST_EFLAGS, EFLAGS);
8d0b9dc9	78	#if 0
ecba97d4 AV	79	DEFINE_LONGS(HOST_FS, FS);
	80	DEFINE_LONGS(HOST_GS, GS);
	81	DEFINE_LONGS(HOST_DS, DS);
	82	DEFINE_LONGS(HOST_ES, ES);
8d0b9dc9 AV	83	#endif
8d0b9dc9 AV	84
ecba97d4 AV	85	DEFINE_LONGS(HOST_IP, RIP);
ecba97d4 AV	86	DEFINE_LONGS(HOST_SP, RSP);
6582b7f7	87	#endif
63ae2a94	88
6582b7f7	89	DEFINE(UM_FRAME_SIZE, sizeof(struct user_regs_struct));
63ae2a94 JD	90	DEFINE(UM_POLLIN, POLLIN);
	91	DEFINE(UM_POLLPRI, POLLPRI);
	92	DEFINE(UM_POLLOUT, POLLOUT);
16dd07bc JD	93
	94	DEFINE(UM_PROT_READ, PROT_READ);
	95	DEFINE(UM_PROT_WRITE, PROT_WRITE);
	96	DEFINE(UM_PROT_EXEC, PROT_EXEC);
45db1c61 PA	97
	98	DEFINE(__NR_syscall_max, sizeof(syscalls) - 1);
	99	DEFINE(NR_syscalls, sizeof(syscalls));
8d0b9dc9	100	}