xref: /openbmc/linux/arch/x86/um/user-offsets.c (revision 5e1121cd43d4d3436140a462bfc230ff8aeb1693)
1b2441318SGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0
25c48b108SAl Viro #include <stdio.h>
35c48b108SAl Viro #include <stddef.h>
45c48b108SAl Viro #include <signal.h>
5*5e1121cdSIgnat 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>
115c48b108SAl Viro 
125c48b108SAl Viro #define DEFINE(sym, val) \
135c48b108SAl Viro 	asm volatile("\n->" #sym " %0 " #val : : "i" (val))
145c48b108SAl Viro 
155c48b108SAl Viro #define DEFINE_LONGS(sym, val) \
165c48b108SAl Viro 	asm volatile("\n->" #sym " %0 " #val : : "i" (val/sizeof(unsigned long)))
175c48b108SAl Viro 
185c48b108SAl Viro void foo(void)
195c48b108SAl Viro {
205c48b108SAl Viro #ifdef __i386__
215c48b108SAl Viro 	DEFINE_LONGS(HOST_FP_SIZE, sizeof(struct user_fpregs_struct));
225c48b108SAl Viro 	DEFINE_LONGS(HOST_FPX_SIZE, sizeof(struct user_fpxregs_struct));
235c48b108SAl Viro 
245c48b108SAl Viro 	DEFINE(HOST_IP, EIP);
255c48b108SAl Viro 	DEFINE(HOST_SP, UESP);
265c48b108SAl Viro 	DEFINE(HOST_EFLAGS, EFL);
273579a389SAl Viro 	DEFINE(HOST_AX, EAX);
283579a389SAl Viro 	DEFINE(HOST_BX, EBX);
293579a389SAl Viro 	DEFINE(HOST_CX, ECX);
303579a389SAl Viro 	DEFINE(HOST_DX, EDX);
313579a389SAl Viro 	DEFINE(HOST_SI, ESI);
323579a389SAl Viro 	DEFINE(HOST_DI, EDI);
333579a389SAl Viro 	DEFINE(HOST_BP, EBP);
345c48b108SAl Viro 	DEFINE(HOST_CS, CS);
355c48b108SAl Viro 	DEFINE(HOST_SS, SS);
365c48b108SAl Viro 	DEFINE(HOST_DS, DS);
375c48b108SAl Viro 	DEFINE(HOST_FS, FS);
385c48b108SAl Viro 	DEFINE(HOST_ES, ES);
395c48b108SAl Viro 	DEFINE(HOST_GS, GS);
40966e803aSAl Viro 	DEFINE(HOST_ORIG_AX, ORIG_EAX);
415c48b108SAl Viro #else
422fb44600SFlorian Fainelli #ifdef FP_XSTATE_MAGIC1
436f602afdSThomas Meyer 	DEFINE_LONGS(HOST_FP_SIZE, 2696);
440a987645SFlorian Fainelli #else
450a987645SFlorian Fainelli 	DEFINE(HOST_FP_SIZE, sizeof(struct _fpstate) / sizeof(unsigned long));
460a987645SFlorian Fainelli #endif
473579a389SAl Viro 	DEFINE_LONGS(HOST_BX, RBX);
483579a389SAl Viro 	DEFINE_LONGS(HOST_CX, RCX);
493579a389SAl Viro 	DEFINE_LONGS(HOST_DI, RDI);
503579a389SAl Viro 	DEFINE_LONGS(HOST_SI, RSI);
513579a389SAl Viro 	DEFINE_LONGS(HOST_DX, RDX);
523579a389SAl Viro 	DEFINE_LONGS(HOST_BP, RBP);
533579a389SAl Viro 	DEFINE_LONGS(HOST_AX, RAX);
545c48b108SAl Viro 	DEFINE_LONGS(HOST_R8, R8);
555c48b108SAl Viro 	DEFINE_LONGS(HOST_R9, R9);
565c48b108SAl Viro 	DEFINE_LONGS(HOST_R10, R10);
575c48b108SAl Viro 	DEFINE_LONGS(HOST_R11, R11);
585c48b108SAl Viro 	DEFINE_LONGS(HOST_R12, R12);
595c48b108SAl Viro 	DEFINE_LONGS(HOST_R13, R13);
605c48b108SAl Viro 	DEFINE_LONGS(HOST_R14, R14);
615c48b108SAl Viro 	DEFINE_LONGS(HOST_R15, R15);
62966e803aSAl Viro 	DEFINE_LONGS(HOST_ORIG_AX, ORIG_RAX);
635c48b108SAl Viro 	DEFINE_LONGS(HOST_CS, CS);
645c48b108SAl Viro 	DEFINE_LONGS(HOST_SS, SS);
655c48b108SAl Viro 	DEFINE_LONGS(HOST_EFLAGS, EFLAGS);
665c48b108SAl Viro #if 0
675c48b108SAl Viro 	DEFINE_LONGS(HOST_FS, FS);
685c48b108SAl Viro 	DEFINE_LONGS(HOST_GS, GS);
695c48b108SAl Viro 	DEFINE_LONGS(HOST_DS, DS);
705c48b108SAl Viro 	DEFINE_LONGS(HOST_ES, ES);
715c48b108SAl Viro #endif
725c48b108SAl Viro 
735c48b108SAl Viro 	DEFINE_LONGS(HOST_IP, RIP);
745c48b108SAl Viro 	DEFINE_LONGS(HOST_SP, RSP);
755c48b108SAl Viro #endif
765c48b108SAl Viro 
775c48b108SAl Viro 	DEFINE(UM_FRAME_SIZE, sizeof(struct user_regs_struct));
785c48b108SAl Viro 	DEFINE(UM_POLLIN, POLLIN);
795c48b108SAl Viro 	DEFINE(UM_POLLPRI, POLLPRI);
805c48b108SAl Viro 	DEFINE(UM_POLLOUT, POLLOUT);
815c48b108SAl Viro 
825c48b108SAl Viro 	DEFINE(UM_PROT_READ, PROT_READ);
835c48b108SAl Viro 	DEFINE(UM_PROT_WRITE, PROT_WRITE);
845c48b108SAl Viro 	DEFINE(UM_PROT_EXEC, PROT_EXEC);
855c48b108SAl Viro }
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