linux_dsm_epyc7002/arch/um/include/asm/ptrace-generic.h
Amanieu d'Antras 457677c70c
um: Implement copy_thread_tls
This is required for clone3 which passes the TLS value through a
struct rather than a register.

Signed-off-by: Amanieu d'Antras <amanieu@gmail.com>
Cc: linux-um@lists.infradead.org
Cc: <stable@vger.kernel.org> # 5.3.x
Link: https://lore.kernel.org/r/20200104123928.1048822-1-amanieu@gmail.com
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
2020-01-07 13:31:29 +01:00

47 lines
1.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#ifndef __UM_PTRACE_GENERIC_H
#define __UM_PTRACE_GENERIC_H
#ifndef __ASSEMBLY__
#include <sysdep/ptrace.h>
struct pt_regs {
struct uml_pt_regs regs;
};
#define arch_has_single_step() (1)
#define EMPTY_REGS { .regs = EMPTY_UML_PT_REGS }
#define PT_REGS_IP(r) UPT_IP(&(r)->regs)
#define PT_REGS_SP(r) UPT_SP(&(r)->regs)
#define PT_REGS_RESTART_SYSCALL(r) UPT_RESTART_SYSCALL(&(r)->regs)
#define PT_REGS_SYSCALL_NR(r) UPT_SYSCALL_NR(&(r)->regs)
#define instruction_pointer(regs) PT_REGS_IP(regs)
#define PTRACE_OLDSETOPTIONS 21
struct task_struct;
extern long subarch_ptrace(struct task_struct *child, long request,
unsigned long addr, unsigned long data);
extern unsigned long getreg(struct task_struct *child, int regno);
extern int putreg(struct task_struct *child, int regno, unsigned long value);
extern int arch_set_tls(struct task_struct *new, unsigned long tls);
extern void clear_flushed_tls(struct task_struct *task);
extern int syscall_trace_enter(struct pt_regs *regs);
extern void syscall_trace_leave(struct pt_regs *regs);
#endif
#endif