xref: /linux/arch/x86/um/user-offsets.c (revision 49ff7d871242d7fd8adb8a2d8347c5d94dda808b)
1b2441318SGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0
25c48b108SAl Viro #include <stdio.h>
35c48b108SAl Viro #include <stddef.h>
45c48b108SAl Viro #include <signal.h>
55e1121cdSIgnat Korchagin #include <poll.h>
65c48b108SAl Viro #include <sys/mman.h>
75c48b108SAl Viro #include <sys/user.h>
85c48b108SAl Viro #define __FRAME_OFFSETS
961e8d462SRichard Weinberger #include <linux/ptrace.h>
105c48b108SAl Viro #include <asm/types.h>
11c7500c1bSKees Cook #include <linux/kbuild.h>
125c48b108SAl Viro 
135c48b108SAl Viro #define DEFINE_LONGS(sym, val)	\
14c7500c1bSKees Cook 	COMMENT(#val " / sizeof(unsigned long)");	\
15c7500c1bSKees Cook 	DEFINE(sym, val / sizeof(unsigned long))
165c48b108SAl Viro 
17*49ff7d87STiwei Bie /* workaround for a warning with -Wmissing-prototypes */
18*49ff7d87STiwei Bie void foo(void);
19*49ff7d87STiwei Bie 
205c48b108SAl Viro void foo(void)
215c48b108SAl Viro {
225c48b108SAl Viro #ifdef __i386__
235c48b108SAl Viro 	DEFINE_LONGS(HOST_FP_SIZE, sizeof(struct user_fpregs_struct));
245c48b108SAl Viro 	DEFINE_LONGS(HOST_FPX_SIZE, sizeof(struct user_fpxregs_struct));
255c48b108SAl Viro 
265c48b108SAl Viro 	DEFINE(HOST_IP, EIP);
275c48b108SAl Viro 	DEFINE(HOST_SP, UESP);
285c48b108SAl Viro 	DEFINE(HOST_EFLAGS, EFL);
293579a389SAl Viro 	DEFINE(HOST_AX, EAX);
303579a389SAl Viro 	DEFINE(HOST_BX, EBX);
313579a389SAl Viro 	DEFINE(HOST_CX, ECX);
323579a389SAl Viro 	DEFINE(HOST_DX, EDX);
333579a389SAl Viro 	DEFINE(HOST_SI, ESI);
343579a389SAl Viro 	DEFINE(HOST_DI, EDI);
353579a389SAl Viro 	DEFINE(HOST_BP, EBP);
365c48b108SAl Viro 	DEFINE(HOST_CS, CS);
375c48b108SAl Viro 	DEFINE(HOST_SS, SS);
385c48b108SAl Viro 	DEFINE(HOST_DS, DS);
395c48b108SAl Viro 	DEFINE(HOST_FS, FS);
405c48b108SAl Viro 	DEFINE(HOST_ES, ES);
415c48b108SAl Viro 	DEFINE(HOST_GS, GS);
42966e803aSAl Viro 	DEFINE(HOST_ORIG_AX, ORIG_EAX);
435c48b108SAl Viro #else
442fb44600SFlorian Fainelli #ifdef FP_XSTATE_MAGIC1
456f602afdSThomas Meyer 	DEFINE_LONGS(HOST_FP_SIZE, 2696);
460a987645SFlorian Fainelli #else
470a987645SFlorian Fainelli 	DEFINE(HOST_FP_SIZE, sizeof(struct _fpstate) / sizeof(unsigned long));
480a987645SFlorian Fainelli #endif
493579a389SAl Viro 	DEFINE_LONGS(HOST_BX, RBX);
503579a389SAl Viro 	DEFINE_LONGS(HOST_CX, RCX);
513579a389SAl Viro 	DEFINE_LONGS(HOST_DI, RDI);
523579a389SAl Viro 	DEFINE_LONGS(HOST_SI, RSI);
533579a389SAl Viro 	DEFINE_LONGS(HOST_DX, RDX);
543579a389SAl Viro 	DEFINE_LONGS(HOST_BP, RBP);
553579a389SAl Viro 	DEFINE_LONGS(HOST_AX, RAX);
565c48b108SAl Viro 	DEFINE_LONGS(HOST_R8, R8);
575c48b108SAl Viro 	DEFINE_LONGS(HOST_R9, R9);
585c48b108SAl Viro 	DEFINE_LONGS(HOST_R10, R10);
595c48b108SAl Viro 	DEFINE_LONGS(HOST_R11, R11);
605c48b108SAl Viro 	DEFINE_LONGS(HOST_R12, R12);
615c48b108SAl Viro 	DEFINE_LONGS(HOST_R13, R13);
625c48b108SAl Viro 	DEFINE_LONGS(HOST_R14, R14);
635c48b108SAl Viro 	DEFINE_LONGS(HOST_R15, R15);
64966e803aSAl Viro 	DEFINE_LONGS(HOST_ORIG_AX, ORIG_RAX);
655c48b108SAl Viro 	DEFINE_LONGS(HOST_CS, CS);
665c48b108SAl Viro 	DEFINE_LONGS(HOST_SS, SS);
675c48b108SAl Viro 	DEFINE_LONGS(HOST_EFLAGS, EFLAGS);
685c48b108SAl Viro #if 0
695c48b108SAl Viro 	DEFINE_LONGS(HOST_FS, FS);
705c48b108SAl Viro 	DEFINE_LONGS(HOST_GS, GS);
715c48b108SAl Viro 	DEFINE_LONGS(HOST_DS, DS);
725c48b108SAl Viro 	DEFINE_LONGS(HOST_ES, ES);
735c48b108SAl Viro #endif
745c48b108SAl Viro 
755c48b108SAl Viro 	DEFINE_LONGS(HOST_IP, RIP);
765c48b108SAl Viro 	DEFINE_LONGS(HOST_SP, RSP);
775c48b108SAl Viro #endif
785c48b108SAl Viro 
795c48b108SAl Viro 	DEFINE(UM_FRAME_SIZE, sizeof(struct user_regs_struct));
805c48b108SAl Viro 	DEFINE(UM_POLLIN, POLLIN);
815c48b108SAl Viro 	DEFINE(UM_POLLPRI, POLLPRI);
825c48b108SAl Viro 	DEFINE(UM_POLLOUT, POLLOUT);
835c48b108SAl Viro 
845c48b108SAl Viro 	DEFINE(UM_PROT_READ, PROT_READ);
855c48b108SAl Viro 	DEFINE(UM_PROT_WRITE, PROT_WRITE);
865c48b108SAl Viro 	DEFINE(UM_PROT_EXEC, PROT_EXEC);
875c48b108SAl Viro }
88