/tmp/gdb-8.1/gdb/aarch64-linux-nat.c File Reference

#include "defs.h"
#include "inferior.h"
#include "gdbcore.h"
#include "regcache.h"
#include "linux-nat.h"
#include "target-descriptions.h"
#include "auxv.h"
#include "gdbcmd.h"
#include "aarch64-tdep.h"
#include "aarch64-linux-tdep.h"
#include "aarch32-linux-nat.h"
#include "nat/aarch64-linux.h"
#include "nat/aarch64-linux-hw-point.h"
#include "elf/external.h"
#include "elf/common.h"
#include "nat/gdb_ptrace.h"
#include <sys/utsname.h>
#include <asm/ptrace.h>
#include "gregset.h"
#include "gdb_proc_service.h"

Go to the source code of this file.

Classes
struct	aarch64_process_info

Macros
#define	TRAP_HWBKPT   0x0004

Functions
static struct aarch64_process_info *	aarch64_find_process_pid (pid_t pid)
static struct aarch64_process_info *	aarch64_add_process (pid_t pid)
static struct aarch64_process_info *	aarch64_process_info_get (pid_t pid)
static void	aarch64_forget_process (pid_t pid)
struct aarch64_debug_reg_state *	aarch64_get_debug_reg_state (pid_t pid)
static void	fetch_gregs_from_thread (struct regcache *regcache)
static void	store_gregs_to_thread (const struct regcache *regcache)
static void	fetch_fpregs_from_thread (struct regcache *regcache)
static void	store_fpregs_to_thread (const struct regcache *regcache)
static void	aarch64_linux_fetch_inferior_registers (struct target_ops *ops, struct regcache *regcache, int regno)
static void	aarch64_linux_store_inferior_registers (struct target_ops *ops, struct regcache *regcache, int regno)
void	fill_gregset (const struct regcache *regcache, gdb_gregset_t *gregsetp, int regno)
void	supply_gregset (struct regcache *regcache, const gdb_gregset_t *gregsetp)
void	fill_fpregset (const struct regcache *regcache, gdb_fpregset_t *fpregsetp, int regno)
void	supply_fpregset (struct regcache *regcache, const gdb_fpregset_t *fpregsetp)
static void	aarch64_linux_new_fork (struct lwp_info *parent, pid_t child_pid)
ps_err_e	ps_get_thread_area (struct ps_prochandle *ph, lwpid_t lwpid, int idx, void **base)
static void	aarch64_linux_child_post_startup_inferior (struct target_ops *self, ptid_t ptid)
static const struct target_desc *	aarch64_linux_read_description (struct target_ops *ops)
static int	aarch64_linux_siginfo_fixup (siginfo_t *native, gdb_byte *inf, int direction)
static int	aarch64_linux_can_use_hw_breakpoint (struct target_ops *self, enum bptype type, int cnt, int othertype)
static int	aarch64_linux_insert_hw_breakpoint (struct target_ops *self, struct gdbarch *gdbarch, struct bp_target_info *bp_tgt)
static int	aarch64_linux_remove_hw_breakpoint (struct target_ops *self, struct gdbarch *gdbarch, struct bp_target_info *bp_tgt)
static int	aarch64_linux_insert_watchpoint (struct target_ops *self, CORE_ADDR addr, int len, enum target_hw_bp_type type, struct expression *cond)
static int	aarch64_linux_remove_watchpoint (struct target_ops *self, CORE_ADDR addr, int len, enum target_hw_bp_type type, struct expression *cond)
static int	aarch64_linux_region_ok_for_hw_watchpoint (struct target_ops *self, CORE_ADDR addr, int len)
static int	aarch64_linux_stopped_data_address (struct target_ops *target, CORE_ADDR *addr_p)
static int	aarch64_linux_stopped_by_watchpoint (struct target_ops *ops)
static int	aarch64_linux_watchpoint_addr_within_range (struct target_ops *target, CORE_ADDR addr, CORE_ADDR start, int length)
static int	aarch64_linux_can_do_single_step (struct target_ops *target)
static void	add_show_debug_regs_command (void)
void	_initialize_aarch64_linux_nat (void)

Variables
static struct aarch64_process_info *	aarch64_process_list = NULL
static void(*	super_post_startup_inferior )(struct target_ops *self, ptid_t ptid)
struct target_desc *	tdesc_arm_with_neon

Macro Definition Documentation

TRAP_HWBKPT

#define TRAP_HWBKPT   0x0004

Definition at line 49 of file aarch64-linux-nat.c.

Referenced by aarch64_linux_stopped_data_address().

Function Documentation

_initialize_aarch64_linux_nat()

void _initialize_aarch64_linux_nat

(

void

)

Definition at line 805 of file aarch64-linux-nat.c.

References aarch64_forget_process(), aarch64_linux_can_do_single_step(), aarch64_linux_can_use_hw_breakpoint(), aarch64_linux_child_post_startup_inferior(), aarch64_linux_delete_thread(), aarch64_linux_fetch_inferior_registers(), aarch64_linux_insert_hw_breakpoint(), aarch64_linux_insert_watchpoint(), aarch64_linux_new_fork(), aarch64_linux_new_thread(), aarch64_linux_prepare_to_resume(), aarch64_linux_read_description(), aarch64_linux_region_ok_for_hw_watchpoint(), aarch64_linux_remove_hw_breakpoint(), aarch64_linux_remove_watchpoint(), aarch64_linux_siginfo_fixup(), aarch64_linux_stopped_by_watchpoint(), aarch64_linux_stopped_data_address(), aarch64_linux_store_inferior_registers(), aarch64_linux_watchpoint_addr_within_range(), add_show_debug_regs_command(), linux_nat_add_target(), linux_nat_set_delete_thread(), linux_nat_set_forget_process(), linux_nat_set_new_fork(), linux_nat_set_new_thread(), linux_nat_set_prepare_to_resume(), linux_nat_set_siginfo_fixup(), linux_target(), super_post_startup_inferior, target_ops::to_can_do_single_step, target_ops::to_can_use_hw_breakpoint, target_ops::to_fetch_registers, target_ops::to_insert_hw_breakpoint, target_ops::to_insert_watchpoint, target_ops::to_post_startup_inferior, target_ops::to_read_description, target_ops::to_region_ok_for_hw_watchpoint, target_ops::to_remove_hw_breakpoint, target_ops::to_remove_watchpoint, target_ops::to_stopped_by_watchpoint, target_ops::to_stopped_data_address, target_ops::to_store_registers, and target_ops::to_watchpoint_addr_within_range.

aarch64_add_process()

static struct aarch64_process_info* aarch64_add_process ( pid_t  pid )

static

Definition at line 89 of file aarch64-linux-nat.c.

References aarch64_process_list, proc::next, pid, and XCNEW.

Referenced by aarch64_process_info_get().

aarch64_find_process_pid()

static struct aarch64_process_info* aarch64_find_process_pid ( pid_t  pid )

static

Definition at line 74 of file aarch64-linux-nat.c.

References aarch64_process_list, proc::next, and pid.

Referenced by aarch64_process_info_get().

aarch64_forget_process()

static void aarch64_forget_process ( pid_t  pid )

static

Definition at line 121 of file aarch64-linux-nat.c.

References aarch64_process_list, proc::next, pid, and xfree().

Referenced by _initialize_aarch64_linux_nat(), and aarch64_linux_child_post_startup_inferior().

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_linux_can_do_single_step()

static int aarch64_linux_can_do_single_step ( struct target_ops *  target )

static

Definition at line 778 of file aarch64-linux-nat.c.

Referenced by _initialize_aarch64_linux_nat().

aarch64_linux_can_use_hw_breakpoint()

static int aarch64_linux_can_use_hw_breakpoint ( struct target_ops *  self, enum bptype  type, int  cnt, int  othertype  )

static

Definition at line 546 of file aarch64-linux-nat.c.

References aarch64_num_bp_regs, aarch64_num_wp_regs, bp_access_watchpoint, bp_hardware_breakpoint, bp_hardware_watchpoint, bp_read_watchpoint, bp_watchpoint, and gdb_assert_not_reached.

Referenced by _initialize_aarch64_linux_nat().

aarch64_linux_child_post_startup_inferior()

static void aarch64_linux_child_post_startup_inferior ( struct target_ops *  self, ptid_t  ptid  )

static

Definition at line 476 of file aarch64-linux-nat.c.

References aarch64_forget_process(), aarch64_linux_get_debug_reg_capacity(), ptid_get_pid(), and super_post_startup_inferior.

Referenced by _initialize_aarch64_linux_nat().

aarch64_linux_fetch_inferior_registers()

static void aarch64_linux_fetch_inferior_registers ( struct target_ops *  ops, struct regcache *  regcache, int  regno  )

static

Definition at line 348 of file aarch64-linux-nat.c.

References AARCH64_V0_REGNUM, fetch_fpregs_from_thread(), and fetch_gregs_from_thread().

Referenced by _initialize_aarch64_linux_nat().

aarch64_linux_insert_hw_breakpoint()

static int aarch64_linux_insert_hw_breakpoint ( struct target_ops *  self, struct gdbarch *  gdbarch, struct bp_target_info *  bp_tgt  )

static

Definition at line 577 of file aarch64-linux-nat.c.

References aarch64_get_debug_reg_state(), aarch64_handle_breakpoint(), aarch64_show_debug_reg_state(), fprintf_unfiltered(), gdb_stdlog, gdbarch_breakpoint_from_pc(), hw_execute, inferior_ptid, bp_target_info::placed_address, ptid_get_pid(), bp_target_info::reqstd_address, and show_debug_regs.

Referenced by _initialize_aarch64_linux_nat().

aarch64_linux_insert_watchpoint()

static int aarch64_linux_insert_watchpoint ( struct target_ops *  self, CORE_ADDR  addr, int  len, enum target_hw_bp_type  type, struct expression *  cond  )

static

Definition at line 647 of file aarch64-linux-nat.c.

References aarch64_get_debug_reg_state(), aarch64_handle_watchpoint(), aarch64_show_debug_reg_state(), fprintf_unfiltered(), gdb_assert, gdb_stdlog, hw_execute, inferior_ptid, ptid_get_pid(), and show_debug_regs.

Referenced by _initialize_aarch64_linux_nat().

aarch64_linux_new_fork()

static void aarch64_linux_new_fork ( struct lwp_info *  parent, pid_t  child_pid  )

static

Definition at line 432 of file aarch64-linux-nat.c.

References aarch64_get_debug_reg_state(), lwp_info::arch_private, lwp_info::ptid, and ptid_get_pid().

Referenced by _initialize_aarch64_linux_nat().

aarch64_linux_read_description()

static const struct target_desc* aarch64_linux_read_description ( struct target_ops *  ops )

static

Definition at line 489 of file aarch64-linux-nat.c.

References aarch64_read_description(), inferior_ptid, ptid_get_lwp(), ptrace(), PTRACE_GETREGSET, tdesc_arm_with_neon, selftests::ptid::tid, and VFP_REGS_SIZE.

Referenced by _initialize_aarch64_linux_nat().

aarch64_linux_region_ok_for_hw_watchpoint()

static int aarch64_linux_region_ok_for_hw_watchpoint ( struct target_ops *  self, CORE_ADDR  addr, int  len  )

static

Definition at line 710 of file aarch64-linux-nat.c.

References aarch64_linux_region_ok_for_watchpoint().

Referenced by _initialize_aarch64_linux_nat().

aarch64_linux_remove_hw_breakpoint()

static int aarch64_linux_remove_hw_breakpoint ( struct target_ops *  self, struct gdbarch *  gdbarch, struct bp_target_info *  bp_tgt  )

static

Definition at line 611 of file aarch64-linux-nat.c.

References aarch64_get_debug_reg_state(), aarch64_handle_breakpoint(), aarch64_show_debug_reg_state(), fprintf_unfiltered(), gdb_stdlog, gdbarch_breakpoint_from_pc(), hw_execute, inferior_ptid, bp_target_info::placed_address, ptid_get_pid(), and show_debug_regs.

Referenced by _initialize_aarch64_linux_nat().

aarch64_linux_remove_watchpoint()

static int aarch64_linux_remove_watchpoint ( struct target_ops *  self, CORE_ADDR  addr, int  len, enum target_hw_bp_type  type, struct expression *  cond  )

static

Definition at line 680 of file aarch64-linux-nat.c.

References aarch64_get_debug_reg_state(), aarch64_handle_watchpoint(), aarch64_show_debug_reg_state(), fprintf_unfiltered(), gdb_assert, gdb_stdlog, hw_execute, inferior_ptid, ptid_get_pid(), and show_debug_regs.

Referenced by _initialize_aarch64_linux_nat().

aarch64_linux_siginfo_fixup()

static int aarch64_linux_siginfo_fixup ( siginfo_t *  native, gdb_byte *  inf, int  direction  )

static

Definition at line 514 of file aarch64-linux-nat.c.

References aarch64_compat_siginfo_from_siginfo(), aarch64_siginfo_from_compat_siginfo(), gdbarch_bfd_arch_info(), get_current_frame(), and get_frame_arch().

Referenced by _initialize_aarch64_linux_nat().

aarch64_linux_stopped_by_watchpoint()

static int aarch64_linux_stopped_by_watchpoint ( struct target_ops *  ops )

static

Definition at line 758 of file aarch64-linux-nat.c.

References aarch64_linux_stopped_data_address().

Referenced by _initialize_aarch64_linux_nat().

aarch64_linux_stopped_data_address()

static int aarch64_linux_stopped_data_address ( struct target_ops *  target, CORE_ADDR *  addr_p  )

static

Definition at line 719 of file aarch64-linux-nat.c.

References aarch64_get_debug_reg_state(), aarch64_num_wp_regs, aarch64_watchpoint_length(), aarch64_debug_reg_state::dr_addr_wp, DR_CONTROL_ENABLED, aarch64_debug_reg_state::dr_ctrl_wp, aarch64_debug_reg_state::dr_ref_count_wp, if(), inferior_ptid, linux_nat_get_siginfo(), ptid_get_pid(), selftests::ptid::tid, and TRAP_HWBKPT.

Referenced by _initialize_aarch64_linux_nat(), and aarch64_linux_stopped_by_watchpoint().

aarch64_linux_store_inferior_registers()

static void aarch64_linux_store_inferior_registers ( struct target_ops *  ops, struct regcache *  regcache, int  regno  )

static

Definition at line 366 of file aarch64-linux-nat.c.

References AARCH64_V0_REGNUM, store_fpregs_to_thread(), and store_gregs_to_thread().

Referenced by _initialize_aarch64_linux_nat().

aarch64_linux_watchpoint_addr_within_range()

static int aarch64_linux_watchpoint_addr_within_range ( struct target_ops *  target, CORE_ADDR  addr, CORE_ADDR  start, int  length  )

static

Definition at line 768 of file aarch64-linux-nat.c.

Referenced by _initialize_aarch64_linux_nat().

aarch64_process_info_get()

static struct aarch64_process_info* aarch64_process_info_get ( pid_t  pid )

static

Definition at line 106 of file aarch64-linux-nat.c.

References aarch64_add_process(), aarch64_find_process_pid(), and pid.

Referenced by aarch64_get_debug_reg_state().

add_show_debug_regs_command()

static void add_show_debug_regs_command ( void  )

static

Definition at line 786 of file aarch64-linux-nat.c.

References _, add_setshow_boolean_cmd(), class_maintenance, maintenance_set_cmdlist, maintenance_show_cmdlist, and show_debug_regs.

Referenced by _initialize_aarch64_linux_nat().

fetch_fpregs_from_thread()

static void fetch_fpregs_from_thread ( struct regcache *  regcache )

static

Definition at line 236 of file aarch64-linux-nat.c.

References _, aarch32_vfp_regcache_supply(), AARCH64_FPCR_REGNUM, AARCH64_FPSR_REGNUM, AARCH64_V0_REGNUM, AARCH64_V31_REGNUM, regcache::arch(), gdb_static_assert, gdbarch_bfd_arch_info(), perror_with_name(), ptid_get_lwp(), ptrace(), PTRACE_GETREGSET, regcache_get_ptid(), regcache_raw_supply(), selftests::ptid::tid, and VFP_REGS_SIZE.

Referenced by aarch64_linux_fetch_inferior_registers().

fetch_gregs_from_thread()

static void fetch_gregs_from_thread ( struct regcache *  regcache )

static

Definition at line 155 of file aarch64-linux-nat.c.

References _, aarch32_gp_regcache_supply(), AARCH64_CPSR_REGNUM, AARCH64_X0_REGNUM, regcache::arch(), gdb_static_assert, gdbarch_bfd_arch_info(), perror_with_name(), ptid_get_lwp(), ptrace(), PTRACE_GETREGSET, regcache_get_ptid(), regcache_raw_supply(), and selftests::ptid::tid.

Referenced by aarch64_linux_fetch_inferior_registers().

fill_fpregset()

void fill_fpregset	(	const struct regcache *	regcache,
		gdb_fpregset_t *	fpregsetp,
		int	regno
	)

Definition at line 410 of file aarch64-linux-nat.c.

Referenced by procfs_do_thread_registers(), procfs_store_registers(), ps_lgetfpregs(), and sol_thread_store_registers().

fill_gregset()

void fill_gregset	(	const struct regcache *	regcache,
		gdb_gregset_t *	gregsetp,
		int	regno
	)

Definition at line 386 of file aarch64-linux-nat.c.

Referenced by procfs_do_thread_registers(), procfs_make_note_section(), procfs_store_registers(), ps_lgetregs(), and sol_thread_store_registers().

ps_get_thread_area()

ps_err_e ps_get_thread_area	(	struct ps_prochandle *	ph,
		lwpid_t	lwpid,
		int	idx,
		void **	base
	)

Definition at line 460 of file aarch64-linux-nat.c.

store_fpregs_to_thread()

static void store_fpregs_to_thread ( const struct regcache *  regcache )

static

Definition at line 284 of file aarch64-linux-nat.c.

References _, aarch32_vfp_regcache_collect(), AARCH64_FPCR_REGNUM, AARCH64_FPSR_REGNUM, AARCH64_V0_REGNUM, AARCH64_V31_REGNUM, regcache::arch(), gdb_static_assert, gdbarch_bfd_arch_info(), perror_with_name(), ptid_get_lwp(), ptrace(), PTRACE_GETREGSET, PTRACE_SETREGSET, REG_VALID, regcache_get_ptid(), regcache_raw_collect(), regcache_register_status(), selftests::ptid::tid, and VFP_REGS_SIZE.

Referenced by aarch64_linux_store_inferior_registers().

store_gregs_to_thread()

static void store_gregs_to_thread ( const struct regcache *  regcache )

static

Definition at line 193 of file aarch64-linux-nat.c.

References _, aarch32_gp_regcache_collect(), AARCH64_CPSR_REGNUM, AARCH64_X0_REGNUM, regcache::arch(), gdb_static_assert, gdbarch_bfd_arch_info(), perror_with_name(), ptid_get_lwp(), ptrace(), PTRACE_GETREGSET, PTRACE_SETREGSET, REG_VALID, regcache_get_ptid(), regcache_raw_collect(), regcache_register_status(), and selftests::ptid::tid.

Referenced by aarch64_linux_store_inferior_registers().

supply_fpregset()

void supply_fpregset	(	struct regcache *	regcache,
		const gdb_fpregset_t *	fpregsetp
	)

Definition at line 422 of file aarch64-linux-nat.c.

Referenced by procfs_fetch_registers(), ps_lsetfpregs(), and sol_thread_fetch_registers().

supply_gregset()

void supply_gregset	(	struct regcache *	regcache,
		const gdb_gregset_t *	gregsetp
	)

Definition at line 398 of file aarch64-linux-nat.c.

Referenced by procfs_fetch_registers(), ps_lsetregs(), and sol_thread_fetch_registers().

Variable Documentation

aarch64_process_list

struct aarch64_process_info* aarch64_process_list = NULL

static

Definition at line 69 of file aarch64-linux-nat.c.

Referenced by aarch64_add_process(), aarch64_find_process_pid(), and aarch64_forget_process().

super_post_startup_inferior

void(* super_post_startup_inferior) (struct target_ops *self, ptid_t ptid)

static

Definition at line 470 of file aarch64-linux-nat.c.

Referenced by _initialize_aarch64_linux_nat(), and aarch64_linux_child_post_startup_inferior().

tdesc_arm_with_neon

struct target_desc* tdesc_arm_with_neon

Definition at line 8 of file arm-with-neon.c.

Referenced by aarch64_linux_read_description(), arm_fbsd_read_description_auxv(), arm_linux_core_read_description(), and arm_linux_read_description().