mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-21 04:42:53 +08:00
135 lines
3.6 KiB
C
135 lines
3.6 KiB
C
/* Copyright (C) 2007-2015 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 "server.h"
|
|
#include "win32-low.h"
|
|
|
|
#ifndef CONTEXT_FLOATING_POINT
|
|
#define CONTEXT_FLOATING_POINT 0
|
|
#endif
|
|
|
|
/* Defined in auto-generated file reg-arm.c. */
|
|
void init_registers_arm (void);
|
|
extern const struct target_desc *tdesc_arm;
|
|
|
|
static void
|
|
arm_get_thread_context (win32_thread_info *th)
|
|
{
|
|
th->context.ContextFlags = \
|
|
CONTEXT_FULL | \
|
|
CONTEXT_FLOATING_POINT;
|
|
|
|
GetThreadContext (th->h, &th->context);
|
|
}
|
|
|
|
#define context_offset(x) ((int)&(((CONTEXT *)NULL)->x))
|
|
static const int mappings[] = {
|
|
context_offset (R0),
|
|
context_offset (R1),
|
|
context_offset (R2),
|
|
context_offset (R3),
|
|
context_offset (R4),
|
|
context_offset (R5),
|
|
context_offset (R6),
|
|
context_offset (R7),
|
|
context_offset (R8),
|
|
context_offset (R9),
|
|
context_offset (R10),
|
|
context_offset (R11),
|
|
context_offset (R12),
|
|
context_offset (Sp),
|
|
context_offset (Lr),
|
|
context_offset (Pc),
|
|
-1, /* f0 */
|
|
-1, /* f1 */
|
|
-1, /* f2 */
|
|
-1, /* f3 */
|
|
-1, /* f4 */
|
|
-1, /* f5 */
|
|
-1, /* f6 */
|
|
-1, /* f7 */
|
|
-1, /* fps */
|
|
context_offset (Psr),
|
|
};
|
|
#undef context_offset
|
|
|
|
/* 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. */
|
|
static char *
|
|
regptr (CONTEXT* c, int r)
|
|
{
|
|
if (mappings[r] < 0)
|
|
{
|
|
static ULONG zero;
|
|
/* Always force value to zero, in case the user tried to write
|
|
to this register before. */
|
|
zero = 0;
|
|
return (char *) &zero;
|
|
}
|
|
else
|
|
return (char *) c + mappings[r];
|
|
}
|
|
|
|
/* Fetch register from gdbserver regcache data. */
|
|
static void
|
|
arm_fetch_inferior_register (struct regcache *regcache,
|
|
win32_thread_info *th, int r)
|
|
{
|
|
char *context_offset = regptr (&th->context, r);
|
|
supply_register (regcache, r, context_offset);
|
|
}
|
|
|
|
/* Store a new register value into the thread context of TH. */
|
|
static void
|
|
arm_store_inferior_register (struct regcache *regcache,
|
|
win32_thread_info *th, int r)
|
|
{
|
|
collect_register (regcache, r, regptr (&th->context, r));
|
|
}
|
|
|
|
static void
|
|
arm_arch_setup (void)
|
|
{
|
|
init_registers_arm ();
|
|
win32_tdesc = tdesc_arm;
|
|
}
|
|
|
|
/* Correct in either endianness. We do not support Thumb yet. */
|
|
static const unsigned long arm_wince_breakpoint = 0xe6000010;
|
|
#define arm_wince_breakpoint_len 4
|
|
|
|
struct win32_target_ops the_low_target = {
|
|
arm_arch_setup,
|
|
sizeof (mappings) / sizeof (mappings[0]),
|
|
NULL, /* initial_stuff */
|
|
arm_get_thread_context,
|
|
NULL, /* prepare_to_resume */
|
|
NULL, /* thread_added */
|
|
arm_fetch_inferior_register,
|
|
arm_store_inferior_register,
|
|
NULL, /* single_step */
|
|
(const unsigned char *) &arm_wince_breakpoint,
|
|
arm_wince_breakpoint_len,
|
|
/* Watchpoint related functions. See target.h for comments. */
|
|
NULL, /* supports_z_point_type */
|
|
NULL, /* insert_point */
|
|
NULL, /* remove_point */
|
|
NULL, /* stopped_by_watchpoint */
|
|
NULL /* stopped_data_address */
|
|
};
|