binutils-gdb/gdb/gdbserver/win32-low.h

88 lines
2.9 KiB
C

/* Internal interfaces for the Win32 specific target code for gdbserver.
Copyright (C) 2007 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#include <windows.h>
/* Thread information structure used to track extra information about
each thread. */
typedef struct win32_thread_info
{
DWORD tid;
HANDLE h;
int suspend_count;
CONTEXT context;
} win32_thread_info;
struct win32_target_ops
{
/* An array of offset mappings into a Win32 Context structure.
This is a one-to-one mapping which is indexed by gdb's register
numbers. It retrieves an offset into the context structure where
the 4 byte register is located.
An offset value of -1 indicates that Win32 does not provide this
register in it's CONTEXT structure. In this case regptr will return
a pointer into a dummy register. */
const int *regmap;
/* The number of elements of regmap. */
int num_regs;
void (*initial_stuff) (void);
void (*store_debug_registers) (win32_thread_info *);
void (*load_debug_registers) (win32_thread_info *);
/* Fetch register(s) from gdbserver regcache data. */
void (*fetch_inferior_registers) (win32_thread_info *th, int r);
void (*single_step) (win32_thread_info *th);
const unsigned char *breakpoint;
int breakpoint_len;
/* What string to report to GDB when it asks for the architecture,
or NULL not to answer. */
const char *arch_string;
};
extern struct win32_target_ops the_low_target;
/* in win32-low.c */
/* Return a pointer into a CONTEXT field indexed by gdb register number.
Return a pointer to an dummy register holding zero if there is no
corresponding CONTEXT field for the given register number. */
extern char * regptr (CONTEXT* c, int r);
/* Map the Windows error number in ERROR to a locale-dependent error
message string and return a pointer to it. Typically, the values
for ERROR come from GetLastError.
The string pointed to shall not be modified by the application,
but may be overwritten by a subsequent call to strwinerror
The strwinerror function does not change the current setting
of GetLastError. */
extern char * strwinerror (DWORD error);
/* in wincecompat.c */
extern void to_back_slashes (char *);