aarch64-linux-hw-point.h File Reference

#include "break-common.h"

Go to the source code of this file.

Classes
struct	aarch64_debug_reg_state
struct	arch_lwp_info

Macros
#define	AARCH64_HBP_MAX_NUM   16
#define	AARCH64_HWP_MAX_NUM   16
#define	AARCH64_HBP_ALIGNMENT   4
#define	AARCH64_HWP_ALIGNMENT   8
#define	AARCH64_HWP_MAX_LEN_PER_REG   8
#define	AARCH64_DEBUG_NUM_SLOTS(x)   ((x) & 0xff)
#define	AARCH64_DEBUG_ARCH(x)   (((x) >> 8) & 0xff)
#define	AARCH64_DEBUG_ARCH_V8   0x6
#define	AARCH64_DEBUG_ARCH_V8_1   0x7
#define	AARCH64_DEBUG_ARCH_V8_2   0x8
#define	DR_CONTROL_ENABLED(ctrl)   (((ctrl) & 0x1) == 1)
#define	DR_CONTROL_LENGTH(ctrl)   (((ctrl) >> 5) & 0xff)
#define	DR_MARK_ALL_CHANGED(x, m)
#define	DR_MARK_N_CHANGED(x, n)
#define	DR_CLEAR_CHANGED(x)
#define	DR_HAS_CHANGED(x)   ((x) != 0)
#define	DR_N_HAS_CHANGED(x, n)   ((x) & ((dr_changed_t)1 << (n)))

Typedefs
typedef ULONGEST	dr_changed_t

Functions
unsigned int	aarch64_watchpoint_length (unsigned int ctrl)
int	aarch64_handle_breakpoint (enum target_hw_bp_type type, CORE_ADDR addr, int len, int is_insert, struct aarch64_debug_reg_state *state)
int	aarch64_handle_watchpoint (enum target_hw_bp_type type, CORE_ADDR addr, int len, int is_insert, struct aarch64_debug_reg_state *state)
void	aarch64_linux_set_debug_regs (const struct aarch64_debug_reg_state *state, int tid, int watchpoint)
void	aarch64_show_debug_reg_state (struct aarch64_debug_reg_state *state, const char *func, CORE_ADDR addr, int len, enum target_hw_bp_type type)
void	aarch64_linux_get_debug_reg_capacity (int tid)
struct aarch64_debug_reg_state *	aarch64_get_debug_reg_state (pid_t pid)
int	aarch64_linux_region_ok_for_watchpoint (CORE_ADDR addr, int len)

Variables
int	aarch64_num_bp_regs
int	aarch64_num_wp_regs

Macro Definition Documentation

AARCH64_DEBUG_ARCH

#define AARCH64_DEBUG_ARCH

(

x

)

(((x) >> 8) & 0xff)

Definition at line 69 of file aarch64-linux-hw-point.h.

Referenced by aarch64_linux_get_debug_reg_capacity().

AARCH64_DEBUG_ARCH_V8

#define AARCH64_DEBUG_ARCH_V8   0x6

Definition at line 72 of file aarch64-linux-hw-point.h.

Referenced by aarch64_linux_get_debug_reg_capacity().

AARCH64_DEBUG_ARCH_V8_1

#define AARCH64_DEBUG_ARCH_V8_1   0x7

Definition at line 73 of file aarch64-linux-hw-point.h.

Referenced by aarch64_linux_get_debug_reg_capacity().

AARCH64_DEBUG_ARCH_V8_2

#define AARCH64_DEBUG_ARCH_V8_2   0x8

Definition at line 74 of file aarch64-linux-hw-point.h.

Referenced by aarch64_linux_get_debug_reg_capacity().

AARCH64_DEBUG_NUM_SLOTS

#define AARCH64_DEBUG_NUM_SLOTS

(

x

)

((x) & 0xff)

Definition at line 68 of file aarch64-linux-hw-point.h.

Referenced by aarch64_linux_get_debug_reg_capacity().

AARCH64_HBP_ALIGNMENT

#define AARCH64_HBP_ALIGNMENT   4

Definition at line 51 of file aarch64-linux-hw-point.h.

Referenced by aarch64_point_is_aligned().

AARCH64_HBP_MAX_NUM

#define AARCH64_HBP_MAX_NUM   16

Definition at line 36 of file aarch64-linux-hw-point.h.

Referenced by aarch64_linux_get_debug_reg_capacity().

AARCH64_HWP_ALIGNMENT

#define AARCH64_HWP_ALIGNMENT   8

Definition at line 52 of file aarch64-linux-hw-point.h.

Referenced by aarch64_align_watchpoint(), and aarch64_point_is_aligned().

AARCH64_HWP_MAX_LEN_PER_REG

#define AARCH64_HWP_MAX_LEN_PER_REG   8

Definition at line 57 of file aarch64-linux-hw-point.h.

Referenced by aarch64_align_watchpoint(), and aarch64_linux_region_ok_for_watchpoint().

AARCH64_HWP_MAX_NUM

#define AARCH64_HWP_MAX_NUM   16

Definition at line 37 of file aarch64-linux-hw-point.h.

Referenced by aarch64_linux_get_debug_reg_capacity().

DR_CLEAR_CHANGED

#define DR_CLEAR_CHANGED

(

x

)

Value:

do                                  \
    {                                   \
      (x) = 0;                              \
    } while (0)

Definition at line 126 of file aarch64-linux-hw-point.h.

Referenced by aarch64_linux_prepare_to_resume().

DR_CONTROL_ENABLED

#define DR_CONTROL_ENABLED

(

ctrl

)

(((ctrl) & 0x1) == 1)

Definition at line 85 of file aarch64-linux-hw-point.h.

Referenced by aarch64_linux_stopped_data_address().

DR_CONTROL_LENGTH

#define DR_CONTROL_LENGTH

(

ctrl

)

(((ctrl) >> 5) & 0xff)

Definition at line 86 of file aarch64-linux-hw-point.h.

Referenced by aarch64_watchpoint_length().

DR_HAS_CHANGED

#define DR_HAS_CHANGED

(

x

)

((x) != 0)

Definition at line 132 of file aarch64-linux-hw-point.h.

Referenced by aarch64_linux_prepare_to_resume().

DR_MARK_ALL_CHANGED

#define DR_MARK_ALL_CHANGED	(		x,
			m
	)

Value:

do                                  \
    {                                   \
      gdb_assert (sizeof ((x)) * 8 >= (m));             \
      (x) = (((dr_changed_t)1 << (m)) - 1);             \
    } while (0)

Definition at line 113 of file aarch64-linux-hw-point.h.

Referenced by aarch64_linux_new_thread().

DR_MARK_N_CHANGED

#define DR_MARK_N_CHANGED	(		x,
			n
	)

Value:

do                                  \
    {                                   \
      (x) |= ((dr_changed_t)1 << (n));                  \
    } while (0)

Definition at line 120 of file aarch64-linux-hw-point.h.

Referenced by debug_reg_change_callback().

DR_N_HAS_CHANGED

#define DR_N_HAS_CHANGED	(		x,
			n
	)		((x) & ((dr_changed_t)1 << (n)))

Definition at line 133 of file aarch64-linux-hw-point.h.

Typedef Documentation

dr_changed_t

typedef ULONGEST dr_changed_t

Definition at line 109 of file aarch64-linux-hw-point.h.

Function Documentation

aarch64_get_debug_reg_state()

struct aarch64_debug_reg_state* aarch64_get_debug_reg_state

(

pid_t

pid

)

Definition at line 146 of file aarch64-linux-nat.c.

References aarch64_process_info_get(), pid, and aarch64_process_info::state.

Referenced by aarch64_linux_insert_hw_breakpoint(), aarch64_linux_insert_watchpoint(), aarch64_linux_new_fork(), aarch64_linux_prepare_to_resume(), aarch64_linux_remove_hw_breakpoint(), aarch64_linux_remove_watchpoint(), and aarch64_linux_stopped_data_address().

aarch64_handle_breakpoint()

int aarch64_handle_breakpoint	(	enum target_hw_bp_type	type,
		CORE_ADDR	addr,
		int	len,
		int	is_insert,
		struct aarch64_debug_reg_state *	state
	)

Definition at line 458 of file aarch64-linux-hw-point.c.

References aarch64_dr_state_insert_one_point(), aarch64_dr_state_remove_one_point(), and aarch64_point_is_aligned().

Referenced by aarch64_linux_insert_hw_breakpoint(), and aarch64_linux_remove_hw_breakpoint().

aarch64_handle_watchpoint()

int aarch64_handle_watchpoint	(	enum target_hw_bp_type	type,
		CORE_ADDR	addr,
		int	len,
		int	is_insert,
		struct aarch64_debug_reg_state *	state
	)

Definition at line 539 of file aarch64-linux-hw-point.c.

References aarch64_handle_aligned_watchpoint(), aarch64_handle_unaligned_watchpoint(), and aarch64_point_is_aligned().

Referenced by aarch64_linux_insert_watchpoint(), and aarch64_linux_remove_watchpoint().

aarch64_linux_get_debug_reg_capacity()

void aarch64_linux_get_debug_reg_capacity

(

int

tid

)

Definition at line 623 of file aarch64-linux-hw-point.c.

References _, AARCH64_DEBUG_ARCH, AARCH64_DEBUG_ARCH_V8, AARCH64_DEBUG_ARCH_V8_1, AARCH64_DEBUG_ARCH_V8_2, AARCH64_DEBUG_NUM_SLOTS, AARCH64_HBP_MAX_NUM, AARCH64_HWP_MAX_NUM, aarch64_num_bp_regs, aarch64_num_wp_regs, ptrace(), PTRACE_GETREGSET, selftests::ptid::tid, and warning().

Referenced by aarch64_linux_child_post_startup_inferior().

aarch64_linux_region_ok_for_watchpoint()

int aarch64_linux_region_ok_for_watchpoint	(	CORE_ADDR	addr,
		int	len
	)

Definition at line 680 of file aarch64-linux-hw-point.c.

References AARCH64_HWP_MAX_LEN_PER_REG, and aarch64_num_wp_regs.

Referenced by aarch64_linux_region_ok_for_hw_watchpoint().

aarch64_linux_set_debug_regs()

void aarch64_linux_set_debug_regs	(	const struct aarch64_debug_reg_state *	state,
		int	tid,
		int	watchpoint
	)

Definition at line 555 of file aarch64-linux-hw-point.c.

References _, aarch64_num_bp_regs, aarch64_num_wp_regs, aarch64_debug_reg_state::dr_addr_bp, aarch64_debug_reg_state::dr_addr_wp, aarch64_debug_reg_state::dr_ctrl_bp, aarch64_debug_reg_state::dr_ctrl_wp, error(), memset(), ptrace(), PTRACE_SETREGSET, and selftests::ptid::tid.

Referenced by aarch64_linux_prepare_to_resume().

aarch64_show_debug_reg_state()

void aarch64_show_debug_reg_state	(	struct aarch64_debug_reg_state *	state,
		const char *	func,
		CORE_ADDR	addr,
		int	len,
		enum target_hw_bp_type	type
	)

Definition at line 589 of file aarch64-linux-hw-point.c.

References aarch64_num_bp_regs, aarch64_num_wp_regs, core_addr_to_string_nz(), debug_printf(), aarch64_debug_reg_state::dr_addr_bp, aarch64_debug_reg_state::dr_addr_wp, aarch64_debug_reg_state::dr_ctrl_bp, aarch64_debug_reg_state::dr_ctrl_wp, aarch64_debug_reg_state::dr_ref_count_bp, aarch64_debug_reg_state::dr_ref_count_wp, func, hw_access, hw_execute, hw_read, and hw_write.

Referenced by aarch64_linux_insert_hw_breakpoint(), aarch64_linux_insert_watchpoint(), aarch64_linux_remove_hw_breakpoint(), and aarch64_linux_remove_watchpoint().

aarch64_watchpoint_length()

unsigned int aarch64_watchpoint_length

(

unsigned int

ctrl

)

Definition at line 45 of file aarch64-linux-hw-point.c.

References DR_CONTROL_LENGTH.

Referenced by aarch64_linux_stopped_data_address().

Variable Documentation

aarch64_num_bp_regs

int aarch64_num_bp_regs

Definition at line 34 of file aarch64-linux-hw-point.c.

Referenced by aarch64_dr_state_insert_one_point(), aarch64_dr_state_remove_one_point(), aarch64_linux_can_use_hw_breakpoint(), aarch64_linux_get_debug_reg_capacity(), aarch64_linux_new_thread(), aarch64_linux_set_debug_regs(), aarch64_show_debug_reg_state(), and debug_reg_change_callback().

aarch64_num_wp_regs

int aarch64_num_wp_regs

Definition at line 35 of file aarch64-linux-hw-point.c.

Referenced by aarch64_dr_state_insert_one_point(), aarch64_dr_state_remove_one_point(), aarch64_linux_can_use_hw_breakpoint(), aarch64_linux_get_debug_reg_capacity(), aarch64_linux_new_thread(), aarch64_linux_region_ok_for_watchpoint(), aarch64_linux_set_debug_regs(), aarch64_linux_stopped_data_address(), aarch64_show_debug_reg_state(), and debug_reg_change_callback().