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* win32-nat.h: New file. 

* win32-nat.c (mappings): Initialize to NULL.
        (win32_set_context_register_offsets): New function.
        * i386-windows-nat.c: New file.
        (mappings): Moved here from win32-nat.c.
        (_initialize_i386_windows_nat): New function.
        * config/i386/mingw.mh (NATDEPFILES): Add i386-windows-nat.o.
        * config/i386/cygwin.mh (NATDEPFILES): Likewise.
cgen-1_1-branch
Joel Brobecker 18 years ago
parent
71260a99a5
commit
7e63b4e466
8 changed files with 171 additions and 102 deletions
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  1. 11
      gdb/ChangeLog
  2. 2
      gdb/config/i386/cygwin.mh
  3. 2
      gdb/config/i386/mingw.mh
  4. 76
      gdb/i386-windows-nat.c
  5. 67
      gdb/win32-nat.c
  6. 24
      gdb/win32-nat.h
  7. 67
      gdb/windows-nat.c
  8. 24
      gdb/windows-nat.h

11
gdb/ChangeLog
View File

@ -1,3 +1,14 @@
2009-10-11 Joel Brobecker <brobecker@adacore.com>
* win32-nat.h: New file.
* win32-nat.c (mappings): Initialize to NULL.
(win32_set_context_register_offsets): New function.
* i386-windows-nat.c: New file.
(mappings): Moved here from win32-nat.c.
(_initialize_i386_windows_nat): New function.
* config/i386/mingw.mh (NATDEPFILES): Add i386-windows-nat.o.
* config/i386/cygwin.mh (NATDEPFILES): Likewise.
2009-01-09 Andreas Schwab <schwab@suse.de>
* Makefile.in (init.c): Set LANG/LC_ALL to C, not c.

2
gdb/config/i386/cygwin.mh
View File

@ -1,4 +1,4 @@
MH_CFLAGS=
NATDEPFILES= i386-nat.o win32-nat.o
NATDEPFILES= i386-nat.o win32-nat.o i386-windows-nat.o
NAT_FILE=nm-cygwin.h
XM_CLIBS=

2
gdb/config/i386/mingw.mh
View File

@ -1,4 +1,4 @@
MH_CFLAGS=
NATDEPFILES= i386-nat.o win32-nat.o
NATDEPFILES= i386-nat.o win32-nat.o i386-windows-nat.o
NAT_FILE=nm-cygwin.h
XM_CLIBS=

76
gdb/i386-windows-nat.c
View File

@ -0,0 +1,76 @@
/* Copyright (C) 2008, 2009 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 3 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, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "win32-nat.h"
#include <windows.h>
#define context_offset(x) ((int)&(((CONTEXT *)NULL)->x))
static const int mappings[] =
{
context_offset (Eax),
context_offset (Ecx),
context_offset (Edx),
context_offset (Ebx),
context_offset (Esp),
context_offset (Ebp),
context_offset (Esi),
context_offset (Edi),
context_offset (Eip),
context_offset (EFlags),
context_offset (SegCs),
context_offset (SegSs),
context_offset (SegDs),
context_offset (SegEs),
context_offset (SegFs),
context_offset (SegGs),
context_offset (FloatSave.RegisterArea[0 * 10]),
context_offset (FloatSave.RegisterArea[1 * 10]),
context_offset (FloatSave.RegisterArea[2 * 10]),
context_offset (FloatSave.RegisterArea[3 * 10]),
context_offset (FloatSave.RegisterArea[4 * 10]),
context_offset (FloatSave.RegisterArea[5 * 10]),
context_offset (FloatSave.RegisterArea[6 * 10]),
context_offset (FloatSave.RegisterArea[7 * 10]),
context_offset (FloatSave.ControlWord),
context_offset (FloatSave.StatusWord),
context_offset (FloatSave.TagWord),
context_offset (FloatSave.ErrorSelector),
context_offset (FloatSave.ErrorOffset),
context_offset (FloatSave.DataSelector),
context_offset (FloatSave.DataOffset),
context_offset (FloatSave.ErrorSelector)
/* XMM0-7 */ ,
context_offset (ExtendedRegisters[10*16]),
context_offset (ExtendedRegisters[11*16]),
context_offset (ExtendedRegisters[12*16]),
context_offset (ExtendedRegisters[13*16]),
context_offset (ExtendedRegisters[14*16]),
context_offset (ExtendedRegisters[15*16]),
context_offset (ExtendedRegisters[16*16]),
context_offset (ExtendedRegisters[17*16]),
/* MXCSR */
context_offset (ExtendedRegisters[24])
};
#undef context_offset
void
_initialize_i386_windows_nat (void)
{
win32_set_context_register_offsets (mappings);
}

67
gdb/win32-nat.c
View File

@ -61,6 +61,7 @@
#include "i387-tdep.h"
#include "i386-cygwin-tdep.h"
#include "win32-nat.h"
static struct target_ops win32_ops;
@ -161,11 +162,16 @@ static int debug_memory = 0; /* show target memory accesses */
static int debug_exceptions = 0; /* show target exceptions */
static int useshell = 0; /* use shell for subprocesses */
/* This vector maps GDB's idea of a register's number into an address
/* This vector maps GDB's idea of a register's number into an offset
in the win32 exception context vector.
It also contains the bit mask needed to load the register in question.
The contents of this table can only be computed by the units
that provide CPU-specific support for Windows native debugging.
These units should set the table by calling
win32_set_context_register_offsets.
One day we could read a reg, we could inspect the context we
already have loaded, if it doesn't have the bit set that we need,
we read that set of registers in using GetThreadContext. If the
@ -174,55 +180,7 @@ static int useshell = 0; /* use shell for subprocesses */
the other regs of the group, and then we copy the info in and set
out bit. */
#define context_offset(x) ((int)&(((CONTEXT *)NULL)->x))
static const int mappings[] =
{
context_offset (Eax),
context_offset (Ecx),
context_offset (Edx),
context_offset (Ebx),
context_offset (Esp),
context_offset (Ebp),
context_offset (Esi),
context_offset (Edi),
context_offset (Eip),
context_offset (EFlags),
context_offset (SegCs),
context_offset (SegSs),
context_offset (SegDs),
context_offset (SegEs),
context_offset (SegFs),
context_offset (SegGs),
context_offset (FloatSave.RegisterArea[0 * 10]),
context_offset (FloatSave.RegisterArea[1 * 10]),
context_offset (FloatSave.RegisterArea[2 * 10]),
context_offset (FloatSave.RegisterArea[3 * 10]),
context_offset (FloatSave.RegisterArea[4 * 10]),
context_offset (FloatSave.RegisterArea[5 * 10]),
context_offset (FloatSave.RegisterArea[6 * 10]),
context_offset (FloatSave.RegisterArea[7 * 10]),
context_offset (FloatSave.ControlWord),
context_offset (FloatSave.StatusWord),
context_offset (FloatSave.TagWord),
context_offset (FloatSave.ErrorSelector),
context_offset (FloatSave.ErrorOffset),
context_offset (FloatSave.DataSelector),
context_offset (FloatSave.DataOffset),
context_offset (FloatSave.ErrorSelector)
/* XMM0-7 */ ,
context_offset (ExtendedRegisters[10*16]),
context_offset (ExtendedRegisters[11*16]),
context_offset (ExtendedRegisters[12*16]),
context_offset (ExtendedRegisters[13*16]),
context_offset (ExtendedRegisters[14*16]),
context_offset (ExtendedRegisters[15*16]),
context_offset (ExtendedRegisters[16*16]),
context_offset (ExtendedRegisters[17*16]),
/* MXCSR */
context_offset (ExtendedRegisters[24])
};
#undef context_offset
static const int *mappings;
/* This vector maps the target's idea of an exception (extracted
from the DEBUG_EVENT structure) to GDB's idea. */
@ -244,6 +202,15 @@ static const struct xlate_exception
{STATUS_FLOAT_DIVIDE_BY_ZERO, TARGET_SIGNAL_FPE},
{-1, -1}};
/* Set the MAPPINGS static global to OFFSETS.
See the description of MAPPINGS for more details. */
void
win32_set_context_register_offsets (const int *offsets)
{
mappings = offsets;
}
static void
check (BOOL ok, const char *file, int line)
{

24
gdb/win32-nat.h
View File

@ -0,0 +1,24 @@
/* Copyright 2008, 2009 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 3 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, see <http://www.gnu.org/licenses/>. */
#ifndef WIN32_NAT_H
#define WIN32_NAT_H
extern void win32_set_context_register_offsets (const int *offsets);
#endif

67
gdb/windows-nat.c
View File

@ -61,6 +61,7 @@
#include "i387-tdep.h"
#include "i386-cygwin-tdep.h"
#include "win32-nat.h"
static struct target_ops win32_ops;
@ -161,11 +162,16 @@ static int debug_memory = 0; /* show target memory accesses */
static int debug_exceptions = 0; /* show target exceptions */
static int useshell = 0; /* use shell for subprocesses */
/* This vector maps GDB's idea of a register's number into an address
/* This vector maps GDB's idea of a register's number into an offset
in the win32 exception context vector.
It also contains the bit mask needed to load the register in question.
The contents of this table can only be computed by the units
that provide CPU-specific support for Windows native debugging.
These units should set the table by calling
win32_set_context_register_offsets.
One day we could read a reg, we could inspect the context we
already have loaded, if it doesn't have the bit set that we need,
we read that set of registers in using GetThreadContext. If the
@ -174,55 +180,7 @@ static int useshell = 0; /* use shell for subprocesses */
the other regs of the group, and then we copy the info in and set
out bit. */
#define context_offset(x) ((int)&(((CONTEXT *)NULL)->x))
static const int mappings[] =
{
context_offset (Eax),
context_offset (Ecx),
context_offset (Edx),
context_offset (Ebx),
context_offset (Esp),
context_offset (Ebp),
context_offset (Esi),
context_offset (Edi),
context_offset (Eip),
context_offset (EFlags),
context_offset (SegCs),
context_offset (SegSs),
context_offset (SegDs),
context_offset (SegEs),
context_offset (SegFs),
context_offset (SegGs),
context_offset (FloatSave.RegisterArea[0 * 10]),
context_offset (FloatSave.RegisterArea[1 * 10]),
context_offset (FloatSave.RegisterArea[2 * 10]),
context_offset (FloatSave.RegisterArea[3 * 10]),
context_offset (FloatSave.RegisterArea[4 * 10]),
context_offset (FloatSave.RegisterArea[5 * 10]),
context_offset (FloatSave.RegisterArea[6 * 10]),
context_offset (FloatSave.RegisterArea[7 * 10]),
context_offset (FloatSave.ControlWord),
context_offset (FloatSave.StatusWord),
context_offset (FloatSave.TagWord),
context_offset (FloatSave.ErrorSelector),
context_offset (FloatSave.ErrorOffset),
context_offset (FloatSave.DataSelector),
context_offset (FloatSave.DataOffset),
context_offset (FloatSave.ErrorSelector)
/* XMM0-7 */ ,
context_offset (ExtendedRegisters[10*16]),
context_offset (ExtendedRegisters[11*16]),
context_offset (ExtendedRegisters[12*16]),
context_offset (ExtendedRegisters[13*16]),
context_offset (ExtendedRegisters[14*16]),
context_offset (ExtendedRegisters[15*16]),
context_offset (ExtendedRegisters[16*16]),
context_offset (ExtendedRegisters[17*16]),
/* MXCSR */
context_offset (ExtendedRegisters[24])
};
#undef context_offset
static const int *mappings;
/* This vector maps the target's idea of an exception (extracted
from the DEBUG_EVENT structure) to GDB's idea. */
@ -244,6 +202,15 @@ static const struct xlate_exception
{STATUS_FLOAT_DIVIDE_BY_ZERO, TARGET_SIGNAL_FPE},
{-1, -1}};
/* Set the MAPPINGS static global to OFFSETS.
See the description of MAPPINGS for more details. */
void
win32_set_context_register_offsets (const int *offsets)
{
mappings = offsets;
}
static void
check (BOOL ok, const char *file, int line)
{

24
gdb/windows-nat.h
View File

@ -0,0 +1,24 @@
/* Copyright 2008, 2009 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 3 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, see <http://www.gnu.org/licenses/>. */
#ifndef WIN32_NAT_H
#define WIN32_NAT_H
extern void win32_set_context_register_offsets (const int *offsets);
#endif
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