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/*
 * Copyright 2010 Tilera Corporation. All Rights Reserved.
 *
 *   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, GOOD TITLE or
 *   NON INFRINGEMENT.  See the GNU General Public License for
 *   more details.
 */
#ifndef _ASM_TILE_PTRACE_H
#define _ASM_TILE_PTRACE_H

#include <linux/compiler.h>

#ifndef __ASSEMBLY__
/* Benefit from consistent use of "long" on all chips. */
typedef unsigned long pt_reg_t;
#endif

#include <uapi/asm/ptrace.h>

#define PTRACE_O_MASK_TILE	(PTRACE_O_TRACEMIGRATE)
#define PT_TRACE_MIGRATE	PT_EVENT_FLAG(PTRACE_EVENT_MIGRATE)

/* Flag bits in pt_regs.flags */
#define PT_FLAGS_DISABLE_IRQ    1  /* on return to kernel, disable irqs */
#define PT_FLAGS_CALLER_SAVES   2  /* caller-save registers are valid */
#define PT_FLAGS_RESTORE_REGS   4  /* restore callee-save regs on return */

#ifndef __ASSEMBLY__

#define regs_return_value(regs) ((regs)->regs[0])
#define instruction_pointer(regs) ((regs)->pc)
#define profile_pc(regs) instruction_pointer(regs)
#define user_stack_pointer(regs) ((regs)->sp)

/* Does the process account for user or for system time? */
#define user_mode(regs) (EX1_PL((regs)->ex1) < KERNEL_PL)

/* Fill in a struct pt_regs with the current kernel registers. */
struct pt_regs *get_pt_regs(struct pt_regs *);

/* Trace the current syscall. */
extern int do_syscall_trace_enter(struct pt_regs *regs);
extern void do_syscall_trace_exit(struct pt_regs *regs);

#define arch_has_single_step()	(1)

/*
 * A structure for all single-stepper state.
 *
 * Also update defines in assembler section if it changes
 */
struct single_step_state {
	/* the page to which we will write hacked-up bundles */
	void __user *buffer;

	union {
		int flags;
		struct {
			unsigned long is_enabled:1, update:1, update_reg:6;
		};
	};

	unsigned long orig_pc;		/* the original PC */
	unsigned long next_pc;		/* return PC if no branch (PC + 1) */
	unsigned long branch_next_pc;	/* return PC if we did branch/jump */
	unsigned long update_value;	/* value to restore to update_target */
};

/* Single-step the instruction at regs->pc */
extern void single_step_once(struct pt_regs *regs);

/* Clean up after execve(). */
extern void single_step_execve(void);

struct task_struct;

extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs);

#ifdef __tilegx__
/* We need this since sigval_t has a user pointer in it, for GETSIGINFO etc. */
#define __ARCH_WANT_COMPAT_SYS_PTRACE
#endif

#endif /* !__ASSEMBLY__ */

#define SINGLESTEP_STATE_MASK_IS_ENABLED      0x1
#define SINGLESTEP_STATE_MASK_UPDATE          0x2
#define SINGLESTEP_STATE_TARGET_LB              2
#define SINGLESTEP_STATE_TARGET_UB              7

#endif /* _ASM_TILE_PTRACE_H */

Filemanager

Name Type Size Permission Actions
Kbuild File 439 B 0644
asm-offsets.h File 35 B 0644
atomic.h File 5.14 KB 0644
atomic_32.h File 8.91 KB 0644
atomic_64.h File 5.51 KB 0644
backtrace.h File 3.98 KB 0644
barrier.h File 2.89 KB 0644
bitops.h File 2.37 KB 0644
bitops_32.h File 4.01 KB 0644
bitops_64.h File 2.67 KB 0644
cache.h File 2.6 KB 0644
cacheflush.h File 4.94 KB 0644
checksum.h File 1.23 KB 0644
cmpxchg.h File 3.47 KB 0644
compat.h File 7.38 KB 0644
current.h File 947 B 0644
delay.h File 1.1 KB 0644
device.h File 978 B 0644
div64.h File 319 B 0644
dma-mapping.h File 1.82 KB 0644
dma.h File 762 B 0644
elf.h File 5.42 KB 0644
fixmap.h File 2.73 KB 0644
ftrace.h File 1.08 KB 0644
futex.h File 4.23 KB 0644
hardirq.h File 1.28 KB 0644
hardwall.h File 1.08 KB 0644
highmem.h File 2.08 KB 0644
homecache.h File 4.21 KB 0644
hugetlb.h File 3.04 KB 0644
hv_driver.h File 1.92 KB 0644
ide.h File 758 B 0644
insn.h File 1.79 KB 0644
io.h File 12.43 KB 0644
irq.h File 3.11 KB 0644
irq_work.h File 283 B 0644
irqflags.h File 10.55 KB 0644
jump_label.h File 1.47 KB 0644
kdebug.h File 769 B 0644
kexec.h File 2.23 KB 0644
kgdb.h File 1.99 KB 0644
kmap_types.h File 1.02 KB 0644
kprobes.h File 2.19 KB 0644
linkage.h File 1.46 KB 0644
mmu.h File 965 B 0644
mmu_context.h File 4.5 KB 0644
mmzone.h File 2.07 KB 0644
module.h File 1.12 KB 0644
page.h File 10.32 KB 0644
pci.h File 6.58 KB 0644
percpu.h File 1.79 KB 0644
perf_event.h File 766 B 0644
pgalloc.h File 4.76 KB 0644
pgtable.h File 15.66 KB 0644
pgtable_32.h File 4.08 KB 0644
pgtable_64.h File 5.11 KB 0644
pmc.h File 2.15 KB 0644
processor.h File 10.62 KB 0644
ptrace.h File 2.96 KB 0644
sections.h File 1.37 KB 0644
setup.h File 1.63 KB 0644
sigframe.h File 956 B 0644
signal.h File 1.07 KB 0644
smp.h File 3.98 KB 0644
spinlock.h File 741 B 0644
spinlock_32.h File 2.9 KB 0644
spinlock_64.h File 3.88 KB 0644
spinlock_types.h File 1.58 KB 0644
stack.h File 2.59 KB 0644
string.h File 1.19 KB 0644
switch_to.h File 2.75 KB 0644
syscall.h File 2.88 KB 0644
syscalls.h File 2.35 KB 0644
thread_info.h File 5.54 KB 0644
tile-desc.h File 650 B 0644
tile-desc_32.h File 12.54 KB 0644
tile-desc_64.h File 10.83 KB 0644
timex.h File 1.71 KB 0644
tlb.h File 878 B 0644
tlbflush.h File 3.99 KB 0644
topology.h File 1.52 KB 0644
traps.h File 2.44 KB 0644
uaccess.h File 12.77 KB 0644
unaligned.h File 1.56 KB 0644
unistd.h File 777 B 0644
user.h File 717 B 0644
vdso.h File 1.84 KB 0644
vga.h File 1.05 KB 0644
word-at-a-time.h File 1.07 KB 0644