aboutsummaryrefslogtreecommitdiff
path: root/gdb/gdbserver/win32-i386-low.c
diff options
context:
space:
mode:
authorPedro Alves <palves@redhat.com>2007-03-29 01:06:48 +0000
committerPedro Alves <palves@redhat.com>2007-03-29 01:06:48 +0000
commit68070c10c721d67b22599511a73da6eb57bb4097 (patch)
tree4e643b732ae741779f2a21a83ef3f28c867aed6d /gdb/gdbserver/win32-i386-low.c
parenta7b7bc0d0e309d4adc19e5508c4dd545fd99226e (diff)
downloadgdb-68070c10c721d67b22599511a73da6eb57bb4097.zip
gdb-68070c10c721d67b22599511a73da6eb57bb4097.tar.gz
gdb-68070c10c721d67b22599511a73da6eb57bb4097.tar.bz2
gdb/
* arm-wince-tdep.c: New. * config/arm/wince.mt (DEPRECATED_TM_FILE): Use tm-arm.h. (MT_CFLAGS): Delete. (TM_CLIBS): Delete. (TDEPFILES): Add arm-wince-tdep.o, corelow.o, solib.o, solib-legacy.o, solib-svr4.o, and remove wince.o. * configure.tgt (arm*-*-mingw32ce*): Add. * signals/signals.c [HAVE_SIGNAL_H]: Check. (do_target_signal_to_host): Silence 'not used' warning. * config/arm/tm-wince.h: Remove. gdb/gdbserver/ * gdbserver/configure.ac: Add errno checking. (AC_CHECK_HEADERS): Add errno.h, fcntl.h, signal.h, sys/file.h and malloc.h. (AC_CHECK_DECLS): Add perror. (srv_mingwce): Handle. * gdbserver/configure.srv (i[34567]86-*-cygwin*): Add win32-i386-low.o to srv_tgtobj. (i[34567]86-*-mingw*): Likewise. (arm*-*-mingw32ce*): Add case. * gdbreplay.c [HAVE_SYS_FILE_H, HAVE_SIGNAL_H, HAVE_FCNTL_H, HAVE_ERRNO_H, HAVE_MALLOC_H]: Check. [__MINGW32CE__] (strerror): New function. [__MINGW32CE__] (errno): Define to GetLastError. [__MINGW32CE__] (COUNTOF): New macro. (remote_open): Remove extra close call. * mem-break.c (delete_breakpoint_at): New function. * mem-break.h (delete_breakpoint_at): Declare. * remote-utils.c [HAVE_SYS_FILE_H, HAVE_SIGNAL_H, HAVE_FCNTL_H, HAVE_UNISTD_H, HAVE_ERRNO_H]: Check. [USE_WIN32API] (read, write): Add char* casts. * server.c [HAVE_UNISTD_H, HAVE_SIGNAL_H]: Check. * server.h: Include wincecompat.h on Windows CE. [HAVE_ERRNO_H]: Check. (perror): Declare if not declared. * utils.c: Add stdlib.h, errno.h and malloc.h includes. (perror_with_name): Remove errno declaration. * wincecompat.h: New. * wincecompat.c: New. * win32-low.h: New. * win32-arm-low.c: New. * win32-i386-low.c: New. (win32-low.c): Include mem-break.h and win32-low.h, and winnt.h. (OUTMSG2): Make it safe. (_T): New macro. (COUNTOF): New macro. (NUM_REGS): Get it from the low target. (CONTEXT_EXTENDED_REGISTERS, CONTEXT_FLOATING_POINT, CONTEXT_DEBUG_REGISTERS): Add fallbacks to 0. (thread_rec): Let low target handle debug registers. (child_add_thread): Likewise. (child_init_thread_list): Likewise. (continue_one_thread): Likewise. (regptr): New. (do_child_fetch_inferior_registers): Move to ... * win32-i386-low.c: ... here, and rename to ... (do_fetch_inferior_registers): ... this. * win32-low.c (child_fetch_inferior_registers): Go through the low target. (do_child_store_inferior_registers): Use regptr. (strwinerror): New function. (win32_create_inferior): Handle Windows CE. Use strwinerror instead of strerror on Windows error codes. Add program to the error output. Don't close the main thread handle on Windows CE. (win32_attach): Use coredll.dll on Windows CE. (win32_kill): Close current process and current thread handles. (win32_detach): Use coredll.dll on Windows CE. (win32_resume): Let low target handle debug registers, and step request. (handle_exception): Add/Remove initial breakpoint. Avoid non-existant WSTOPSIG on Windows CE. (win32_read_inferior_memory): Cast to remove warning. (win32_arch_string): Go through the low target. (initialize_low): Call set_breakpoint_data with the low target's breakpoint. * win32-low.c (dr, FLAG_TRACE_BIT, FCS_REGNUM, FOP_REGNUM, mappings): Move to ... * win32-i386-low.c: ... here. * win32-low.c (win32_thread_info): Move to ... * win32-low.h: ... here. * Makefile.in (SFILES): Add win32-low.c, win32-i386-low.c, win32-arm-low.c and wincecompat.c. (all:): Add $EXEEXT. (install-only:): Likewise. (gdbserver:): Likewise. (gdbreplay:): Likewise. * config.in: Regenerate. * configure: Regenerate.
Diffstat (limited to 'gdb/gdbserver/win32-i386-low.c')
-rw-r--r--gdb/gdbserver/win32-i386-low.c152
1 files changed, 152 insertions, 0 deletions
diff --git a/gdb/gdbserver/win32-i386-low.c b/gdb/gdbserver/win32-i386-low.c
new file mode 100644
index 0000000..58ad787
--- /dev/null
+++ b/gdb/gdbserver/win32-i386-low.c
@@ -0,0 +1,152 @@
+/* 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 "server.h"
+#include "win32-low.h"
+
+#define FCS_REGNUM 27
+#define FOP_REGNUM 31
+
+#define FLAG_TRACE_BIT 0x100
+
+static unsigned dr[8];
+
+static void
+initial_stuff (void)
+{
+ memset (&dr, 0, sizeof (dr));
+}
+
+static void
+store_debug_registers (win32_thread_info *th)
+{
+ dr[0] = th->context.Dr0;
+ dr[1] = th->context.Dr1;
+ dr[2] = th->context.Dr2;
+ dr[3] = th->context.Dr3;
+ dr[6] = th->context.Dr6;
+ dr[7] = th->context.Dr7;
+}
+
+static void
+load_debug_registers (win32_thread_info *th)
+{
+ th->context.Dr0 = dr[0];
+ th->context.Dr1 = dr[1];
+ th->context.Dr2 = dr[2];
+ th->context.Dr3 = dr[3];
+ /* th->context.Dr6 = dr[6];
+ FIXME: should we set dr6 also ?? */
+ th->context.Dr7 = dr[7];
+}
+
+/* Fetch register(s) from gdbserver regcache data. */
+static void
+do_fetch_inferior_registers (win32_thread_info *th, int r)
+{
+ char *context_offset = regptr (&th->context, r);
+
+ long l;
+ if (r == FCS_REGNUM)
+ {
+ l = *((long *) context_offset) & 0xffff;
+ supply_register (r, (char *) &l);
+ }
+ else if (r == FOP_REGNUM)
+ {
+ l = (*((long *) context_offset) >> 16) & ((1 << 11) - 1);
+ supply_register (r, (char *) &l);
+ }
+ else
+ supply_register (r, context_offset);
+}
+
+static void
+single_step (win32_thread_info *th)
+{
+ th->context.EFlags |= FLAG_TRACE_BIT;
+}
+
+/* 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. */
+#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
+
+struct win32_target_ops the_low_target = {
+ mappings,
+ sizeof (mappings) / sizeof (mappings[0]),
+ initial_stuff,
+ store_debug_registers,
+ load_debug_registers,
+ do_fetch_inferior_registers,
+ single_step,
+ (const char*)NULL, /* breakpoint */
+ 0, /* breakpoint_len */
+ "i386" /* arch_string */
+};