AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/arch/c6x/include/asm/ptrace.h

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treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-04 15:11:33 +07:00
/* SPDX-License-Identifier: GPL-2.0-only */
C6X: ptrace support Original port to early 2.6 kernel using TI COFF toolchain. Brought up to date by Mark Salter <msalter@redhat.com> Signed-off-by: Aurelien Jacquiot <a-jacquiot@ti.com> Signed-off-by: Mark Salter <msalter@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
2011-10-04 22:13:21 +07:00
/*
* Copyright (C) 2004, 2006, 2009, 2010 Texas Instruments Incorporated
* Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
*
* Updated for 2.6.34: Mark Salter <msalter@redhat.com>
*/
#ifndef _ASM_C6X_PTRACE_H
#define _ASM_C6X_PTRACE_H
UAPI: (Scripted) Disintegrate arch/c6x/include/asm Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com> Signed-off-by: Mark Salter <msalter@redhat.com>
2012-10-09 15:46:40 +07:00
#include <uapi/asm/ptrace.h>
C6X: add support to build with BINFMT_ELF_FDPIC C6x userspace supports a shared library mechanism called DSBT for systems with no MMU. DSBT is similar to FDPIC in allowing shared text segments and private copies of data segments without an MMU. Both methods access data using a base register and offset. With FDPIC, the caller of an external function sets up the base register for the callee. With DSBT, the called function sets up its own base register. Other details differ but both userspaces need the same thing from the kernel loader: a map of where each ELF segment was loaded. The FDPIC loader already provides this, so DSBT just uses it. This patch enables BINFMT_ELF_FDPIC by default for C6X and provides the necessary architecture hooks for the generic loader. Signed-off-by: Mark Salter <msalter@redhat.com>
2012-04-23 21:02:08 +07:00
C6X: ptrace support Original port to early 2.6 kernel using TI COFF toolchain. Brought up to date by Mark Salter <msalter@redhat.com> Signed-off-by: Aurelien Jacquiot <a-jacquiot@ti.com> Signed-off-by: Mark Salter <msalter@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
2011-10-04 22:13:21 +07:00
#ifndef __ASSEMBLY__
#ifdef _BIG_ENDIAN
#else
#endif
#include <linux/linkage.h>
#define user_mode(regs) ((((regs)->tsr) & 0x40) != 0)
#define instruction_pointer(regs) ((regs)->pc)
#define profile_pc(regs) instruction_pointer(regs)
#define user_stack_pointer(regs) ((regs)->sp)
extern void show_regs(struct pt_regs *);
extern asmlinkage unsigned long syscall_trace_entry(struct pt_regs *regs);
extern asmlinkage void syscall_trace_exit(struct pt_regs *regs);
#endif /* __ASSEMBLY__ */
#endif /* _ASM_C6X_PTRACE_H */
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