linux/arch/x86/um/shared/sysdep/ptrace.h
Johannes Berg ac1ad16f10 um: simplify syscall header files
Since Thomas's recent commit 2af10530639b ("um/x86: Add
system call table to header file") , we now have two
extern declarations of the syscall table, one internal
and one external, and they don't even match on 32-bit.
Clean this up and remove all the extra code.

Reviewed-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Link: https://patch.msgid.link/20250704141243.a68366f6acc3.If8587a4aafdb90644fc6d0b2f5e31a2d1887915f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2025-07-11 08:49:02 +02:00

67 lines
1.7 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __SYSDEP_X86_PTRACE_H
#define __SYSDEP_X86_PTRACE_H
#include <generated/user_constants.h>
#include <sysdep/faultinfo.h>
#define MAX_REG_OFFSET (UM_FRAME_SIZE)
#define MAX_REG_NR ((MAX_REG_OFFSET) / sizeof(unsigned long))
#define REGS_IP(r) ((r)[HOST_IP])
#define REGS_SP(r) ((r)[HOST_SP])
#define REGS_EFLAGS(r) ((r)[HOST_EFLAGS])
#define REGS_AX(r) ((r)[HOST_AX])
#define REGS_BX(r) ((r)[HOST_BX])
#define REGS_CX(r) ((r)[HOST_CX])
#define REGS_DX(r) ((r)[HOST_DX])
#define REGS_SI(r) ((r)[HOST_SI])
#define REGS_DI(r) ((r)[HOST_DI])
#define REGS_BP(r) ((r)[HOST_BP])
#define REGS_CS(r) ((r)[HOST_CS])
#define REGS_SS(r) ((r)[HOST_SS])
#define REGS_DS(r) ((r)[HOST_DS])
#define REGS_ES(r) ((r)[HOST_ES])
#define UPT_IP(r) REGS_IP((r)->gp)
#define UPT_SP(r) REGS_SP((r)->gp)
#define UPT_EFLAGS(r) REGS_EFLAGS((r)->gp)
#define UPT_AX(r) REGS_AX((r)->gp)
#define UPT_BX(r) REGS_BX((r)->gp)
#define UPT_CX(r) REGS_CX((r)->gp)
#define UPT_DX(r) REGS_DX((r)->gp)
#define UPT_SI(r) REGS_SI((r)->gp)
#define UPT_DI(r) REGS_DI((r)->gp)
#define UPT_BP(r) REGS_BP((r)->gp)
#define UPT_CS(r) REGS_CS((r)->gp)
#define UPT_SS(r) REGS_SS((r)->gp)
#define UPT_DS(r) REGS_DS((r)->gp)
#define UPT_ES(r) REGS_ES((r)->gp)
#ifdef __i386__
#include "ptrace_32.h"
#else
#include "ptrace_64.h"
#endif
extern unsigned long host_fp_size;
struct uml_pt_regs {
unsigned long gp[MAX_REG_NR];
struct faultinfo faultinfo;
long syscall;
int is_user;
/* Dynamically sized FP registers (holds an XSTATE) */
unsigned long fp[];
};
#define EMPTY_UML_PT_REGS { }
#define UPT_SYSCALL_NR(r) ((r)->syscall)
#define UPT_FAULTINFO(r) (&(r)->faultinfo)
#define UPT_IS_USER(r) ((r)->is_user)
extern int arch_init_registers(int pid);
#endif /* __SYSDEP_X86_PTRACE_H */