win32-i386-low.c File Reference

#include "server.h"
#include "win32-low.h"
#include "x86-low.h"
#include "x86-xstate.h"
#include "arch/i386.h"
#include "tdesc.h"

Go to the source code of this file.

Macros
#define	CONTEXT_EXTENDED_REGISTERS   0
#define	FCS_REGNUM   27
#define	FOP_REGNUM   31
#define	FLAG_TRACE_BIT   0x100
#define	RET_DR(DR)
#define	context_offset(x)   ((int)&(((CONTEXT *)NULL)->x))
#define	i386_win32_breakpoint_len   1

Functions
static void	update_debug_registers (thread_info *thread)
static void	x86_dr_low_set_addr (int regnum, CORE_ADDR addr)
static void	x86_dr_low_set_control (unsigned long control)
static DWORD64	win32_get_current_dr (int dr)
static CORE_ADDR	x86_dr_low_get_addr (int regnum)
static unsigned long	x86_dr_low_get_control (void)
static unsigned long	x86_dr_low_get_status (void)
static int	i386_supports_z_point_type (char z_type)
static int	i386_insert_point (enum raw_bkpt_type type, CORE_ADDR addr, int size, struct raw_breakpoint *bp)
static int	i386_remove_point (enum raw_bkpt_type type, CORE_ADDR addr, int size, struct raw_breakpoint *bp)
static int	x86_stopped_by_watchpoint (void)
static CORE_ADDR	x86_stopped_data_address (void)
static void	i386_initial_stuff (void)
static void	i386_get_thread_context (win32_thread_info *th)
static void	i386_prepare_to_resume (win32_thread_info *th)
static void	i386_thread_added (win32_thread_info *th)
static void	i386_single_step (win32_thread_info *th)
static void	i386_fetch_inferior_register (struct regcache *regcache, win32_thread_info *th, int r)
static void	i386_store_inferior_register (struct regcache *regcache, win32_thread_info *th, int r)
static void	i386_arch_setup (void)

Variables
static struct x86_debug_reg_state	debug_reg_state
struct x86_dr_low_type	x86_dr_low
static const int	mappings []
static const unsigned char	i386_win32_breakpoint = 0xcc
struct win32_target_ops	the_low_target

Macro Definition Documentation

CONTEXT_EXTENDED_REGISTERS

#define CONTEXT_EXTENDED_REGISTERS   0

Definition at line 29 of file win32-i386-low.c.

Referenced by i386_get_thread_context().

context_offset

#define context_offset

(

x

)

((int)&(((CONTEXT *)NULL)->x))

Definition at line 280 of file win32-i386-low.c.

Referenced by i386_fetch_inferior_register(), and i386_store_inferior_register().

FCS_REGNUM

#define FCS_REGNUM   27

Definition at line 32 of file win32-i386-low.c.

Referenced by i386_fetch_inferior_register().

FLAG_TRACE_BIT

#define FLAG_TRACE_BIT   0x100

Definition at line 35 of file win32-i386-low.c.

Referenced by i386_single_step().

FOP_REGNUM

#define FOP_REGNUM   31

Definition at line 33 of file win32-i386-low.c.

Referenced by i386_fetch_inferior_register().

i386_win32_breakpoint_len

#define i386_win32_breakpoint_len   1

Definition at line 429 of file win32-i386-low.c.

RET_DR

#define RET_DR

(

DR

)

Value:

case DR:                    \
    return th->context.Dr ## DR

Referenced by win32_get_current_dr().

Function Documentation

i386_arch_setup()

static void i386_arch_setup ( void  )

static

Definition at line 432 of file win32-i386-low.c.

References init_target_desc(), win32_tdesc, and X86_XSTATE_SSE_MASK.

i386_fetch_inferior_register()

static void i386_fetch_inferior_register ( struct regcache *  regcache, win32_thread_info *  th, int  r  )

static

Definition at line 399 of file win32-i386-low.c.

References win32_thread_info::context, context_offset, FCS_REGNUM, FOP_REGNUM, mappings, and supply_register().

i386_get_thread_context()

static void i386_get_thread_context ( win32_thread_info *  th )

static

Definition at line 212 of file win32-i386-low.c.

References win32_thread_info::context, CONTEXT_EXTENDED_REGISTERS, CONTEXT_FLOATING_POINT, error(), and win32_thread_info::h.

i386_initial_stuff()

static void i386_initial_stuff ( void  )

static

Definition at line 206 of file win32-i386-low.c.

References debug_reg_state, and x86_low_init_dregs().

i386_insert_point()

static int i386_insert_point ( enum raw_bkpt_type  type, CORE_ADDR  addr, int  size, struct raw_breakpoint *  bp  )

static

Definition at line 149 of file win32-i386-low.c.

References debug_reg_state, raw_bkpt_type_access_wp, raw_bkpt_type_to_target_hw_bp_type(), raw_bkpt_type_write_wp, and x86_dr_insert_watchpoint().

i386_prepare_to_resume()

static void i386_prepare_to_resume ( win32_thread_info *  th )

static

Definition at line 239 of file win32-i386-low.c.

References win32_thread_info::context, debug_reg_state, win32_thread_info::debug_registers_changed, x86_debug_reg_state::dr_control_mirror, x86_debug_reg_state::dr_mirror, and win32_require_context().

i386_remove_point()

static int i386_remove_point ( enum raw_bkpt_type  type, CORE_ADDR  addr, int  size, struct raw_breakpoint *  bp  )

static

Definition at line 170 of file win32-i386-low.c.

References debug_reg_state, raw_bkpt_type_access_wp, raw_bkpt_type_to_target_hw_bp_type(), raw_bkpt_type_write_wp, and x86_dr_remove_watchpoint().

i386_single_step()

static void i386_single_step ( win32_thread_info *  th )

static

Definition at line 266 of file win32-i386-low.c.

References win32_thread_info::context, and FLAG_TRACE_BIT.

i386_store_inferior_register()

static void i386_store_inferior_register ( struct regcache *  regcache, win32_thread_info *  th, int  r  )

static

Definition at line 421 of file win32-i386-low.c.

References collect_register(), win32_thread_info::context, context_offset, and mappings.

i386_supports_z_point_type()

static int i386_supports_z_point_type ( char  z_type )

static

Definition at line 136 of file win32-i386-low.c.

References Z_PACKET_ACCESS_WP, and Z_PACKET_WRITE_WP.

i386_thread_added()

static void i386_thread_added ( win32_thread_info *  th )

static

Definition at line 260 of file win32-i386-low.c.

References win32_thread_info::debug_registers_changed.

update_debug_registers()

static void update_debug_registers ( thread_info *  thread )

static

Definition at line 40 of file win32-i386-low.c.

References win32_thread_info::debug_registers_changed, and thread_target_data().

Referenced by x86_dr_low_set_addr(), and x86_dr_low_set_control().

win32_get_current_dr()

static DWORD64 win32_get_current_dr ( int  dr )

static

Definition at line 73 of file win32-i386-low.c.

References current_thread, gdb_assert_not_reached, RET_DR, thread_target_data(), and win32_require_context().

Referenced by x86_dr_low_get_addr(), x86_dr_low_get_control(), and x86_dr_low_get_status().

x86_dr_low_get_addr()

static CORE_ADDR x86_dr_low_get_addr ( int  regnum )

static

Definition at line 100 of file win32-i386-low.c.

References DR_FIRSTADDR, DR_LASTADDR, gdb_assert, and win32_get_current_dr().

x86_dr_low_get_control()

static unsigned long x86_dr_low_get_control ( void  )

static

Definition at line 108 of file win32-i386-low.c.

References win32_get_current_dr().

x86_dr_low_get_status()

static unsigned long x86_dr_low_get_status ( void  )

static

Definition at line 117 of file win32-i386-low.c.

References win32_get_current_dr().

x86_dr_low_set_addr()

static void x86_dr_low_set_addr ( int  regnum, CORE_ADDR  addr  )

static

Definition at line 52 of file win32-i386-low.c.

References current_thread, DR_FIRSTADDR, DR_LASTADDR, for_each_thread(), gdb_assert, thread_info::id, ptid_t::pid(), and update_debug_registers().

x86_dr_low_set_control()

static void x86_dr_low_set_control ( unsigned long  control )

static

Definition at line 63 of file win32-i386-low.c.

References current_thread, for_each_thread(), thread_info::id, ptid_t::pid(), and update_debug_registers().

x86_stopped_by_watchpoint()

static int x86_stopped_by_watchpoint ( void  )

static

Definition at line 191 of file win32-i386-low.c.

References debug_reg_state, and x86_dr_stopped_by_watchpoint().

x86_stopped_data_address()

static CORE_ADDR x86_stopped_data_address ( void  )

static

Definition at line 197 of file win32-i386-low.c.

References debug_reg_state, and x86_dr_stopped_data_address().

Variable Documentation

debug_reg_state

struct x86_debug_reg_state debug_reg_state

static

Definition at line 37 of file win32-i386-low.c.

Referenced by i386_initial_stuff(), i386_insert_point(), i386_prepare_to_resume(), i386_remove_point(), x86_stopped_by_watchpoint(), and x86_stopped_data_address().

i386_win32_breakpoint

const unsigned char i386_win32_breakpoint = 0xcc

static

Definition at line 428 of file win32-i386-low.c.

mappings

const int mappings[]

static

Definition at line 281 of file win32-i386-low.c.

Referenced by i386_fetch_inferior_register(), and i386_store_inferior_register().

the_low_target

struct win32_target_ops the_low_target

Initial value:

= {
  i386_arch_setup,
  sizeof (mappings) / sizeof (mappings[0]),
  i386_initial_stuff,
  i386_get_thread_context,
  i386_prepare_to_resume,
  i386_thread_added,
  i386_fetch_inferior_register,
  i386_store_inferior_register,
  i386_single_step,
  &i386_win32_breakpoint,
  i386_win32_breakpoint_len,
  i386_supports_z_point_type,
  i386_insert_point,
  i386_remove_point,
  x86_stopped_by_watchpoint,
  x86_stopped_data_address
}

Definition at line 448 of file win32-i386-low.c.

x86_dr_low

struct x86_dr_low_type x86_dr_low

Initial value:

=
  {
    x86_dr_low_set_control,
    x86_dr_low_set_addr,
    x86_dr_low_get_addr,
    x86_dr_low_get_status,
    x86_dr_low_get_control,
    sizeof (void *),
  }

Definition at line 123 of file win32-i386-low.c.