GDB (xrefs): /tmp/gdb-8.1/gdb/nat/mips-linux-watch.h File Reference

GDB (xrefs)

nat

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

Go to the source code of this file.

Classes
struct	mips32_watch_regs

struct	mips64_watch_regs

struct	pt_watch_regs

struct	mips_watchpoint

Macros
#define	MAX_DEBUG_REGISTER 8

#define	PTRACE_GET_WATCH_REGS 0xd0

#define	PTRACE_SET_WATCH_REGS 0xd1

#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)

Enumerations
enum	pt_watch_style { pt_watch_style_mips32, pt_watch_style_mips64 }

Functions
struct mips32_watch_regs	__attribute__ ((aligned(8)))

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 (enum target_hw_bp_type type)

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

Variables
uint32_t	watchlo [MAX_DEBUG_REGISTER]

uint16_t	watchhi [MAX_DEBUG_REGISTER]

uint16_t	watch_masks [MAX_DEBUG_REGISTER]

uint32_t	num_valid

struct pt_watch_regs	__attribute__

Macro Definition Documentation

◆ I_BIT

#define I_BIT 2

Definition at line 81 of file mips-linux-watch.h.

◆ I_MASK

#define I_MASK (1 << I_BIT)

Definition at line 85 of file mips-linux-watch.h.

◆ IRW_MASK

#define IRW_MASK (I_MASK | R_MASK | W_MASK)

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

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

◆ MAX_DEBUG_REGISTER

#define MAX_DEBUG_REGISTER 8

Definition at line 24 of file mips-linux-watch.h.

Referenced by mips_linux_stopped_by_watchpoint(), and mips_show_dr().

◆ PTRACE_GET_WATCH_REGS

#define PTRACE_GET_WATCH_REGS 0xd0

Definition at line 30 of file mips-linux-watch.h.

Referenced by mips_linux_read_watch_registers().

◆ PTRACE_SET_WATCH_REGS

#define PTRACE_SET_WATCH_REGS 0xd1

Definition at line 31 of file mips-linux-watch.h.

Referenced by mips_linux_new_thread(), and write_watchpoint_regs().

◆ R_BIT

#define R_BIT 1

Definition at line 80 of file mips-linux-watch.h.

◆ R_MASK

#define R_MASK (1 << R_BIT)

Definition at line 84 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().

◆ W_BIT

#define W_BIT 0

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

◆ W_MASK

#define W_MASK (1 << W_BIT)

Definition at line 83 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().

Enumeration Type Documentation

◆ pt_watch_style

enum pt_watch_style

Enumerator
pt_watch_style_mips32
pt_watch_style_mips64

Definition at line 33 of file mips-linux-watch.h.

Function Documentation

◆ attribute()

struct mips32_watch_regs __attribute__ ( (aligned(8)) )

◆ mips_linux_read_watch_registers()

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 pt_watch_regs::mips32, pt_watch_regs::mips64, mips32_watch_regs::num_valid, mips64_watch_regs::num_valid, pt_watch_style_mips32, pt_watch_style_mips64, ptrace(), PTRACE_GET_WATCH_REGS, pt_watch_regs::style, watch_readback, and watch_readback_valid.

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().

◆ mips_linux_watch_get_irw_mask()

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(), IRW_MASK, pt_watch_regs::mips32, pt_watch_regs::mips64, pt_watch_style_mips32, pt_watch_style_mips64, pt_watch_regs::style, mips32_watch_regs::watch_masks, and mips64_watch_regs::watch_masks.

Referenced by mips_linux_can_use_hw_breakpoint(), and mips_linux_watch_try_one_watch().

◆ mips_linux_watch_get_num_valid()

uint32_t mips_linux_watch_get_num_valid ( struct pt_watch_regs * regs )

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

References _, internal_error(), pt_watch_regs::mips32, pt_watch_regs::mips64, mips32_watch_regs::num_valid, mips64_watch_regs::num_valid, pt_watch_style_mips32, pt_watch_style_mips64, and pt_watch_regs::style.

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().

◆ mips_linux_watch_get_watchhi()

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 _, internal_error(), pt_watch_regs::mips32, pt_watch_regs::mips64, pt_watch_style_mips32, pt_watch_style_mips64, pt_watch_regs::style, mips32_watch_regs::watchhi, and mips64_watch_regs::watchhi.

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

◆ mips_linux_watch_get_watchlo()

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 _, internal_error(), pt_watch_regs::mips32, pt_watch_regs::mips64, pt_watch_style_mips32, pt_watch_style_mips64, pt_watch_regs::style, mips32_watch_regs::watchlo, and mips64_watch_regs::watchlo.

Referenced by mips_linux_watch_try_one_watch(), and mips_show_dr().

◆ mips_linux_watch_populate_regs()

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().

◆ mips_linux_watch_set_watchhi()

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 _, internal_error(), pt_watch_regs::mips32, pt_watch_regs::mips64, pt_watch_style_mips32, pt_watch_style_mips64, pt_watch_regs::style, mips32_watch_regs::watchhi, and mips64_watch_regs::watchhi.

Referenced by mips_linux_watch_populate_regs(), and mips_linux_watch_try_one_watch().

◆ mips_linux_watch_set_watchlo()

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 _, internal_error(), pt_watch_regs::mips32, pt_watch_regs::mips64, pt_watch_style_mips32, pt_watch_style_mips64, pt_watch_regs::style, mips32_watch_regs::watchlo, and mips64_watch_regs::watchlo.

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

◆ 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, 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().

◆ mips_linux_watch_type_to_irw()

uint32_t mips_linux_watch_type_to_irw ( enum target_hw_bp_type 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().

Variable Documentation

◆ attribute

struct pt_watch_regs __attribute__

◆ num_valid

uint32_t num_valid

Definition at line 337 of file mips-linux-watch.h.

Referenced by mips_linux_stopped_by_watchpoint().

◆ watch_masks

uint16_t watch_masks

Definition at line 335 of file mips-linux-watch.h.

◆ watchhi

uint16_t watchhi

Definition at line 328 of file mips-linux-watch.h.

◆ watchlo

uint64_t watchlo

Definition at line 326 of file mips-linux-watch.h.