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/*
 * Copyright (C) 2012 Regents of the University of California
 *
 *   This program is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU General Public License
 *   as published by the Free Software Foundation, version 2.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 */

#ifndef _ASM_RISCV_PTRACE_H
#define _ASM_RISCV_PTRACE_H

#include <uapi/asm/ptrace.h>
#include <asm/csr.h>

#ifndef __ASSEMBLY__

struct pt_regs {
	unsigned long sepc;
	unsigned long ra;
	unsigned long sp;
	unsigned long gp;
	unsigned long tp;
	unsigned long t0;
	unsigned long t1;
	unsigned long t2;
	unsigned long s0;
	unsigned long s1;
	unsigned long a0;
	unsigned long a1;
	unsigned long a2;
	unsigned long a3;
	unsigned long a4;
	unsigned long a5;
	unsigned long a6;
	unsigned long a7;
	unsigned long s2;
	unsigned long s3;
	unsigned long s4;
	unsigned long s5;
	unsigned long s6;
	unsigned long s7;
	unsigned long s8;
	unsigned long s9;
	unsigned long s10;
	unsigned long s11;
	unsigned long t3;
	unsigned long t4;
	unsigned long t5;
	unsigned long t6;
	/* Supervisor CSRs */
	unsigned long sstatus;
	unsigned long sbadaddr;
	unsigned long scause;
        /* a0 value before the syscall */
        unsigned long orig_a0;
};

#ifdef CONFIG_64BIT
#define REG_FMT "%016lx"
#else
#define REG_FMT "%08lx"
#endif

#define user_mode(regs) (((regs)->sstatus & SR_SPP) == 0)


/* Helpers for working with the instruction pointer */
#define GET_IP(regs) ((regs)->sepc)
#define SET_IP(regs, val) (GET_IP(regs) = (val))

static inline unsigned long instruction_pointer(struct pt_regs *regs)
{
	return GET_IP(regs);
}
static inline void instruction_pointer_set(struct pt_regs *regs,
					   unsigned long val)
{
	SET_IP(regs, val);
}

#define profile_pc(regs) instruction_pointer(regs)

/* Helpers for working with the user stack pointer */
#define GET_USP(regs) ((regs)->sp)
#define SET_USP(regs, val) (GET_USP(regs) = (val))

static inline unsigned long user_stack_pointer(struct pt_regs *regs)
{
	return GET_USP(regs);
}
static inline void user_stack_pointer_set(struct pt_regs *regs,
					  unsigned long val)
{
	SET_USP(regs, val);
}

/* Helpers for working with the frame pointer */
#define GET_FP(regs) ((regs)->s0)
#define SET_FP(regs, val) (GET_FP(regs) = (val))

static inline unsigned long frame_pointer(struct pt_regs *regs)
{
	return GET_FP(regs);
}
static inline void frame_pointer_set(struct pt_regs *regs,
				     unsigned long val)
{
	SET_FP(regs, val);
}

#endif /* __ASSEMBLY__ */

#endif /* _ASM_RISCV_PTRACE_H */

Filemanager

Name Type Size Permission Actions
Kbuild File 1.37 KB 0644
asm-offsets.h File 35 B 0644
asm-prototypes.h File 176 B 0644
asm.h File 1.78 KB 0644
atomic.h File 11.31 KB 0644
barrier.h File 2.59 KB 0644
bitops.h File 6.23 KB 0644
bug.h File 2.12 KB 0644
cache.h File 745 B 0644
cacheflush.h File 1.7 KB 0644
cmpxchg.h File 3.35 KB 0644
compat.h File 924 B 0644
csr.h File 3.8 KB 0644
current.h File 1.27 KB 0644
delay.h File 881 B 0644
dma-mapping.h File 1.19 KB 0644
elf.h File 2.3 KB 0644
fence.h File 279 B 0644
hwcap.h File 1013 B 0644
io.h File 11.81 KB 0644
irq.h File 841 B 0644
irqflags.h File 1.54 KB 0644
kprobes.h File 679 B 0644
linkage.h File 677 B 0644
mmu.h File 829 B 0644
mmu_context.h File 3.14 KB 0644
page.h File 3.76 KB 0644
pci.h File 1.16 KB 0644
pgalloc.h File 3.06 KB 0644
pgtable-32.h File 870 B 0644
pgtable-64.h File 2.08 KB 0644
pgtable-bits.h File 1.81 KB 0644
pgtable.h File 11.17 KB 0644
processor.h File 2.44 KB 0644
ptrace.h File 2.69 KB 0644
sbi.h File 2.6 KB 0644
smp.h File 1.59 KB 0644
spinlock.h File 2.85 KB 0644
spinlock_types.h File 906 B 0644
string.h File 838 B 0644
switch_to.h File 1.86 KB 0644
syscall.h File 2.59 KB 0644
thread_info.h File 3.11 KB 0644
timex.h File 1.29 KB 0644
tlb.h File 717 B 0644
tlbflush.h File 1.83 KB 0644
uaccess.h File 14 KB 0644
unistd.h File 638 B 0644
vdso.h File 1.49 KB 0644
word-at-a-time.h File 1.48 KB 0644