/home/stan/gdb/src/gdb/common/mips-linux-watch.h File Reference

#include "defs.h"
#include <asm/ptrace.h>
#include <stdint.h>
#include "break-common.h"

Go to the source code of this file.

Classes
struct	mips_watchpoint
Defines
#define	MAX_DEBUG_REGISTER   8
#define	W_BIT   0
#define	R_BIT   1
#define	I_BIT   2
#define	W_MASK   (1 << W_BIT)
#define	R_MASK   (1 << R_BIT)
#define	I_MASK   (1 << I_BIT)
#define	IRW_MASK   (I_MASK | R_MASK | W_MASK)
Functions
uint32_t	mips_linux_watch_get_num_valid (struct pt_watch_regs *regs)
uint32_t	mips_linux_watch_get_irw_mask (struct pt_watch_regs *regs, int n)
CORE_ADDR	mips_linux_watch_get_watchlo (struct pt_watch_regs *regs, int n)
void	mips_linux_watch_set_watchlo (struct pt_watch_regs *regs, int n, CORE_ADDR value)
uint32_t	mips_linux_watch_get_watchhi (struct pt_watch_regs *regs, int n)
void	mips_linux_watch_set_watchhi (struct pt_watch_regs *regs, int n, uint16_t value)
int	mips_linux_watch_try_one_watch (struct pt_watch_regs *regs, CORE_ADDR addr, int len, uint32_t irw)
void	mips_linux_watch_populate_regs (struct mips_watchpoint *current_watches, struct pt_watch_regs *regs)
uint32_t	mips_linux_watch_type_to_irw (int type)
int	mips_linux_read_watch_registers (long lwpid, struct pt_watch_regs *watch_readback, int *watch_readback_valid, int force)

---

Define Documentation

#define I_BIT   2

Definition at line 89 of file mips-linux-watch.h.

#define I_MASK   (1 << I_BIT)

Definition at line 93 of file mips-linux-watch.h.

#define IRW_MASK   (I_MASK | R_MASK | W_MASK)

Definition at line 95 of file mips-linux-watch.h.

Referenced by get_reg_mask(), mips_linux_watch_get_irw_mask(), and mips_linux_watch_try_one_watch().

#define MAX_DEBUG_REGISTER   8

Definition at line 32 of file mips-linux-watch.h.

Referenced by mips_linux_stopped_by_watchpoint(), and mips_show_dr().

#define R_BIT   1

Definition at line 88 of file mips-linux-watch.h.

#define R_MASK   (1 << R_BIT)

Definition at line 92 of file mips-linux-watch.h.

Referenced by mips_linux_can_use_hw_breakpoint(), mips_linux_stopped_by_watchpoint(), and mips_linux_watch_type_to_irw().

#define W_BIT   0

Definition at line 87 of file mips-linux-watch.h.

#define W_MASK   (1 << W_BIT)

Definition at line 91 of file mips-linux-watch.h.

Referenced by mips_linux_can_use_hw_breakpoint(), mips_linux_stopped_by_watchpoint(), and mips_linux_watch_type_to_irw().

---

Function Documentation

int mips_linux_read_watch_registers	(	long	lwpid,
		struct pt_watch_regs *	watch_readback,
		int *	watch_readback_valid,
		int	force
	)

Definition at line 161 of file mips-linux-watch.c.

References ptrace().

Referenced by mips_linux_can_use_hw_breakpoint(), mips_linux_insert_watchpoint(), mips_linux_new_thread(), mips_linux_region_ok_for_hw_watchpoint(), and mips_linux_stopped_by_watchpoint().

uint32_t mips_linux_watch_get_irw_mask	(	struct pt_watch_regs *	regs,
		int	n
	)

Definition at line 26 of file mips-linux-watch.c.

References _, internal_error(), and IRW_MASK.

Referenced by mips_linux_can_use_hw_breakpoint(), and mips_linux_watch_try_one_watch().

uint32_t mips_linux_watch_get_num_valid

(

struct pt_watch_regs *

regs

)

Definition at line 61 of file mips-linux-watch.c.

References _, and internal_error().

Referenced by mips_linux_can_use_hw_breakpoint(), mips_linux_region_ok_for_hw_watchpoint(), mips_linux_stopped_by_watchpoint(), mips_linux_watch_populate_regs(), and mips_linux_watch_try_one_watch().

uint32_t mips_linux_watch_get_watchhi	(	struct pt_watch_regs *	regs,
		int	n
	)

Definition at line 120 of file mips-linux-watch.c.

References _, and internal_error().

Referenced by mips_linux_stopped_by_watchpoint(), mips_linux_watch_try_one_watch(), and mips_show_dr().

CORE_ADDR mips_linux_watch_get_watchlo	(	struct pt_watch_regs *	regs,
		int	n
	)

Definition at line 79 of file mips-linux-watch.c.

References _, and internal_error().

Referenced by mips_linux_watch_try_one_watch(), and mips_show_dr().

void mips_linux_watch_populate_regs	(	struct mips_watchpoint *	current_watches,
		struct pt_watch_regs *	regs
	)

Definition at line 325 of file mips-linux-watch.c.

References mips_watchpoint::addr, current_watches, gdb_assert, mips_watchpoint::len, mips_linux_watch_get_num_valid(), mips_linux_watch_set_watchhi(), mips_linux_watch_set_watchlo(), mips_linux_watch_try_one_watch(), mips_linux_watch_type_to_irw(), mips_watchpoint::next, and mips_watchpoint::type.

Referenced by mips_linux_insert_watchpoint(), and mips_linux_remove_watchpoint().

void mips_linux_watch_set_watchhi	(	struct pt_watch_regs *	regs,
		int	n,
		uint16_t	value
	)

Definition at line 138 of file mips-linux-watch.c.

References _, and internal_error().

Referenced by mips_linux_watch_populate_regs(), and mips_linux_watch_try_one_watch().

void mips_linux_watch_set_watchlo	(	struct pt_watch_regs *	regs,
		int	n,
		CORE_ADDR	value
	)

Definition at line 97 of file mips-linux-watch.c.

References _, and internal_error().

Referenced by mips_linux_region_ok_for_hw_watchpoint(), mips_linux_watch_populate_regs(), and mips_linux_watch_try_one_watch().

int mips_linux_watch_try_one_watch	(	struct pt_watch_regs *	regs,
		CORE_ADDR	addr,
		int	len,
		uint32_t	irw
	)

Definition at line 236 of file mips-linux-watch.c.

References fill_mask(), get_reg_mask(), IRW_MASK, len, mips_linux_watch_get_irw_mask(), mips_linux_watch_get_num_valid(), mips_linux_watch_get_watchhi(), mips_linux_watch_get_watchlo(), mips_linux_watch_set_watchhi(), and mips_linux_watch_set_watchlo().

Referenced by mips_linux_insert_watchpoint(), mips_linux_region_ok_for_hw_watchpoint(), and mips_linux_watch_populate_regs().

uint32_t mips_linux_watch_type_to_irw

(

int

type

)

Definition at line 201 of file mips-linux-watch.c.

References hw_access, hw_read, hw_write, R_MASK, and W_MASK.

Referenced by mips_linux_insert_watchpoint(), and mips_linux_watch_populate_regs().