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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
/* by Steve Chamberlain, sac@cygnus.com */
#include <signal.h>
#include <sys/types.h>
#include <fcntl.h>
+#include <stdlib.h>
+
+#ifdef _MSC_VER
+#include "windefs.h"
+#else /* other WIN32 compiler */
#include <windows.h>
+#endif
+
#include "buildsym.h"
#include "symfile.h"
#include "objfiles.h"
/* Forward declaration */
extern struct target_ops child_ops;
+static void child_stop PARAMS ((void));
+
/* The most recently read context. Inspect ContextFlags to see what
bits are valid. */
int mask;
};
-
static const struct regmappings mappings[] =
{
#ifdef __PPC__
{(char *) &context.Fpr30, CONTEXT_FLOATING_POINT},
{(char *) &context.Fpr31, CONTEXT_FLOATING_POINT},
-
{(char *) &context.Iar, CONTEXT_CONTROL},
{(char *) &context.Msr, CONTEXT_CONTROL},
{(char *) &context.Cr, CONTEXT_INTEGER},
#endif
};
-
/* This vector maps the target's idea of an exception (extracted
from the DEBUG_EVENT structure) to GDB's idea. */
enum target_signal us;
};
-
static const struct xlate_exception
xlate[] =
{
{EXCEPTION_SINGLE_STEP, TARGET_SIGNAL_TRAP},
{-1, -1}};
-
static void
check (BOOL ok, const char *file, int line)
{
/* Wait for child to do something. Return pid of child, or -1 in case
of error; store status through argument pointer OURSTATUS. */
-
static int
handle_load_dll (char *eventp)
{
&done);
}
-
- dos_path_to_unix_path (dll_name, unix_dll_name);
+ /* FIXME: Can we delete this call? */
+ cygwin32_conv_to_posix_path (dll_name, unix_dll_name);
/* FIXME!! It would be nice to define one symbol which pointed to the
front of the dll if we can't find any symbols. */
return 1;
}
}
-
context.ContextFlags = CONTEXT_FULL | CONTEXT_FLOATING_POINT;
GetThreadContext (current_thread, &context);
}
-static void
+static int
handle_exception (DEBUG_EVENT * event, struct target_waitstatus *ourstatus)
{
int i;
ourstatus->value.sig = TARGET_SIGNAL_TRAP;
break;
default:
+ /* This may be a structured exception handling exception. In
+ that case, we want to let the program try to handle it, and
+ only break if we see the exception a second time. */
+ if (event->u.Exception.dwFirstChance)
+ return 0;
+
printf_unfiltered ("gdb: unknown target exception 0x%08x at 0x%08x\n",
event->u.Exception.ExceptionRecord.ExceptionCode,
event->u.Exception.ExceptionRecord.ExceptionAddress);
context.ContextFlags = CONTEXT_FULL | CONTEXT_FLOATING_POINT;
GetThreadContext (current_thread, &context);
exception_count++;
+ return 1;
}
static int
DEBUG_EVENT event;
BOOL t = WaitForDebugEvent (&event, INFINITE);
char *p;
+ DWORD continue_status;
event_count++;
current_thread_id = event.dwThreadId;
current_process_id = event.dwProcessId;
+ continue_status = DBG_CONTINUE;
+
switch (event.dwDebugEventCode)
{
case CREATE_THREAD_DEBUG_EVENT:
DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
event.dwProcessId, event.dwThreadId,
"EXCEPTION_DEBUG_EVENT"));
- handle_exception (&event, ourstatus);
- return current_process_id;
+ if (handle_exception (&event, ourstatus))
+ return current_process_id;
+ continue_status = DBG_EXCEPTION_NOT_HANDLED;
+ break;
case OUTPUT_DEBUG_STRING_EVENT: /* message from the kernel */
DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
current_process_id, current_thread_id));
CHECK (ContinueDebugEvent (current_process_id,
current_thread_id,
- DBG_CONTINUE));
+ continue_status));
}
}
-
/* Attach to process PID, then initialize for debugging it. */
static void
if (!ok)
error ("Can't attach to process.");
-
exception_count = 0;
event_count = 0;
push_target (&child_ops);
}
-
static void
child_detach (args, from_tty)
char *args;
unpush_target (&child_ops);
}
-
/* Print status information about what we're accessing. */
static void
memset (&si, 0, sizeof (si));
si.cb = sizeof (si);
- unix_path_to_dos_path (exec_file, real_path);
+ cygwin32_conv_to_win32_path (exec_file, real_path);
flags = DEBUG_ONLY_THIS_PROCESS;
{
/* This code use to assume all env vars were file names and would
translate them all to win32 style. That obviously doesn't work in the
- general case. The current rule is that the user either works solely
- with win32 style path names or with posix style path names and that
- all env vars are already set up appropriately. At any rate it is
- wrong for us to willy-nilly change them.
-
- However, we need to handle PATH because we're about to call
- CreateProcess and it uses PATH to find DLL's. Fortunately PATH
- has a well-defined value in both posix and win32 environments.
- cygwin.dll will change it back to posix style if necessary. If we're
- working with win32 style path names, we don't need to do anything at
- all. */
+ general case. The current rule is that we only translate PATH.
+ We need to handle PATH because we're about to call CreateProcess and
+ it uses PATH to find DLL's. Fortunately PATH has a well-defined value
+ in both posix and win32 environments. cygwin.dll will change it back
+ to posix style if necessary. */
static const char *conv_path_names[] =
{
"PATH=",
0
};
- int posix_rules_p = sysconf (_SC_PATH_RULES) == _PATH_RULES_POSIX;
/* CreateProcess takes the environment list as a null terminated set of
strings (i.e. two nulls terminate the list). */
/* Get total size for env strings. */
for (envlen = 0, i = 0; env[i] && *env[i]; i++)
{
- if (posix_rules_p)
- {
- int j, len;
+ int j, len;
- for (j = 0; conv_path_names[j]; j++)
+ for (j = 0; conv_path_names[j]; j++)
+ {
+ len = strlen (conv_path_names[j]);
+ if (strncmp (conv_path_names[j], env[i], len) == 0)
{
- len = strlen (conv_path_names[j]);
- if (strncmp (conv_path_names[j], env[i], len) == 0)
- {
- envlen += len
- + cygwin32_posix_to_win32_path_list_buf_size (env[i] + len);
- break;
- }
+ if (cygwin32_posix_path_list_p (env[i] + len))
+ envlen += len
+ + cygwin32_posix_to_win32_path_list_buf_size (env[i] + len);
+ else
+ envlen += strlen (env[i]) + 1;
+ break;
}
- if (conv_path_names[j] == NULL)
- envlen += strlen (env[i]) + 1;
}
- else
+ if (conv_path_names[j] == NULL)
envlen += strlen (env[i]) + 1;
}
/* Copy env strings into new buffer. */
for (temp = winenv, i = 0; env[i] && *env[i]; i++)
{
- if (posix_rules_p)
- {
- int j, len;
+ int j, len;
- for (j = 0; conv_path_names[j]; j++)
+ for (j = 0; conv_path_names[j]; j++)
+ {
+ len = strlen (conv_path_names[j]);
+ if (strncmp (conv_path_names[j], env[i], len) == 0)
{
- len = strlen (conv_path_names[j]);
- if (strncmp (conv_path_names[j], env[i], len) == 0)
+ if (cygwin32_posix_path_list_p (env[i] + len))
{
memcpy (temp, env[i], len);
cygwin32_posix_to_win32_path_list (env[i] + len, temp + len);
- break;
}
+ else
+ strcpy (temp, env[i]);
+ break;
}
- if (conv_path_names[j] == NULL)
- strcpy (temp, env[i]);
}
- else
+ if (conv_path_names[j] == NULL)
strcpy (temp, env[i]);
+
temp += strlen (temp) + 1;
}
generic_mourn_inferior ();
}
-
/* Send a SIGINT to the process group. This acts just like the user typed a
^C on the controlling terminal. */
-void
+static void
child_stop ()
{
DEBUG_EVENTS (("gdb: GenerateConsoleCtrlEvent (CTRLC_EVENT, 0)\n"));
projects / deliverable / binutils-gdb.git / blobdiff