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457677c70c
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>
47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
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*/
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#ifndef __UM_PTRACE_GENERIC_H
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#define __UM_PTRACE_GENERIC_H
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#ifndef __ASSEMBLY__
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#include <sysdep/ptrace.h>
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struct pt_regs {
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struct uml_pt_regs regs;
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};
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#define arch_has_single_step() (1)
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#define EMPTY_REGS { .regs = EMPTY_UML_PT_REGS }
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#define PT_REGS_IP(r) UPT_IP(&(r)->regs)
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#define PT_REGS_SP(r) UPT_SP(&(r)->regs)
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#define PT_REGS_RESTART_SYSCALL(r) UPT_RESTART_SYSCALL(&(r)->regs)
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#define PT_REGS_SYSCALL_NR(r) UPT_SYSCALL_NR(&(r)->regs)
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#define instruction_pointer(regs) PT_REGS_IP(regs)
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#define PTRACE_OLDSETOPTIONS 21
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struct task_struct;
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extern long subarch_ptrace(struct task_struct *child, long request,
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unsigned long addr, unsigned long data);
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extern unsigned long getreg(struct task_struct *child, int regno);
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extern int putreg(struct task_struct *child, int regno, unsigned long value);
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extern int arch_set_tls(struct task_struct *new, unsigned long tls);
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extern void clear_flushed_tls(struct task_struct *task);
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extern int syscall_trace_enter(struct pt_regs *regs);
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extern void syscall_trace_leave(struct pt_regs *regs);
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#endif
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#endif
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