#include <fcntl.h>
#include <windows.h>
#include "buildsym.h"
+#include "symfile.h"
+#include "objfiles.h"
#include "gdb_string.h"
#include "thread.h"
#include "gdbcmd.h"
#include <sys/param.h>
-#define CHECK(x) check (x, __FILE__,__LINE__)
-#define DEBUG(x) if (remote_debug) printf x
+#define CHECK(x) check (x, __FILE__,__LINE__)
+#define DEBUG_EXEC(x) if (debug_exec) printf x
+#define DEBUG_EVENTS(x) if (debug_events) printf x
+#define DEBUG_MEM(x) if (debug_memory) printf x
+#define DEBUG_EXCEPT(x) if (debug_exceptions) printf x
/* Forward declaration */
extern struct target_ops child_ops;
/* User options. */
static int new_console = 0;
static int new_group = 0;
+static int dos_path_style = 0;
+static int debug_exec = 0; /* show execution */
+static int debug_events = 0; /* show events from kernel */
+static int debug_memory = 0; /* show target memory accesses */
+static int debug_exceptions = 0; /* show target exceptions */
/* This vector maps GDB's idea of a register's number into an address
in the win32 exception context vector.
if (done == sizeof (dll_name_ptr) && dll_name_ptr)
{
- char *dll_name;
+ char *dll_name, *dll_basename;
+ struct objfile *objfile;
+ char unix_dll_name[MAX_PATH];
int size = event->u.LoadDll.fUnicode ? sizeof (WCHAR) : sizeof (char);
int len = 0;
char b[2];
}
while ((b[0] != 0 || b[size - 1] != 0) && done == size);
-
dll_name = alloca (len);
if (event->u.LoadDll.fUnicode)
&done);
}
+
+ dos_path_to_unix_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. */
- context.ContextFlags = CONTEXT_FULL;
+ if (!(dll_basename = strrchr(dll_name, '\\')))
+ dll_basename = strrchr(dll_name, '/');
+
+ ALL_OBJFILES(objfile)
+ {
+ char *objfile_basename;
+ if (!(objfile_basename = strrchr(objfile->name, '\\')))
+ objfile_basename = strrchr(objfile->name, '/');
+
+ if (dll_basename && objfile_basename &&
+ strcmp(dll_basename+1, objfile_basename+1) == 0)
+ {
+ printf_unfiltered ("%s (symbols previously loaded)\n",
+ dll_basename + 1);
+ return 1;
+ }
+ }
+
+
+ context.ContextFlags = CONTEXT_FULL | CONTEXT_FLOATING_POINT;
GetThreadContext (current_thread, &context);
/* The symbols in a dll are offset by 0x1000, which is the
FIXME: Is this the real reason that we need the 0x1000 ? */
- symbol_file_add (dll_name, 0,
+ symbol_file_add (unix_dll_name, 0,
(int) event->u.LoadDll.lpBaseOfDll + 0x1000, 0, 0, 0);
- /* We strip off the path of the dll for tidiness. */
- if (strrchr (dll_name, '\\'))
- dll_name = strrchr (dll_name, '\\') + 1;
-
- printf_unfiltered ("%x:%s\n", event->u.LoadDll.lpBaseOfDll, dll_name);
+ printf_unfiltered ("%x:%s\n", event->u.LoadDll.lpBaseOfDll,
+ unix_dll_name);
}
return 1;
}
int done = 0;
ourstatus->kind = TARGET_WAITKIND_STOPPED;
- for (i = 0; !done && xlate[i].us > 0; i++)
- {
- if (xlate[i].them == event->u.Exception.ExceptionRecord.ExceptionCode)
- {
- ourstatus->value.sig = xlate[i].us;
- done = 1;
- break;
- }
- }
- if (!done)
+ switch (event->u.Exception.ExceptionRecord.ExceptionCode)
{
- printf_unfiltered ("Want to know about exception code %08x\n",
- event->u.Exception.ExceptionRecord.ExceptionCode);
+ case EXCEPTION_ACCESS_VIOLATION:
+ DEBUG_EXCEPT (("gdb: Target exception ACCESS_VIOLATION at 0x%08x\n",
+ event->u.Exception.ExceptionRecord.ExceptionAddress));
+ ourstatus->value.sig = TARGET_SIGNAL_SEGV;
+ break;
+ case STATUS_STACK_OVERFLOW:
+ DEBUG_EXCEPT (("gdb: Target exception STACK_OVERFLOW at 0x%08x\n",
+ event->u.Exception.ExceptionRecord.ExceptionAddress));
+ ourstatus->value.sig = TARGET_SIGNAL_SEGV;
+ break;
+ case EXCEPTION_BREAKPOINT:
+ DEBUG_EXCEPT (("gdb: Target exception BREAKPOINT at 0x%08x\n",
+ event->u.Exception.ExceptionRecord.ExceptionAddress));
+ ourstatus->value.sig = TARGET_SIGNAL_TRAP;
+ break;
+ case DBG_CONTROL_C:
+ DEBUG_EXCEPT (("gdb: Target exception CONTROL_C at 0x%08x\n",
+ event->u.Exception.ExceptionRecord.ExceptionAddress));
+ ourstatus->value.sig = TARGET_SIGNAL_INT;
+ break;
+ case EXCEPTION_SINGLE_STEP:
+ DEBUG_EXCEPT (("gdb: Target exception SINGLE_STEP at 0x%08x\n",
+ event->u.Exception.ExceptionRecord.ExceptionAddress));
+ ourstatus->value.sig = TARGET_SIGNAL_TRAP;
+ break;
+ default:
+ printf_unfiltered ("gdb: unknown target exception 0x%08x at 0x%08x\n",
+ event->u.Exception.ExceptionRecord.ExceptionCode,
+ event->u.Exception.ExceptionRecord.ExceptionAddress);
ourstatus->value.sig = TARGET_SIGNAL_UNKNOWN;
+ break;
}
- context.ContextFlags = CONTEXT_FULL;
+ context.ContextFlags = CONTEXT_FULL | CONTEXT_FLOATING_POINT;
GetThreadContext (current_thread, &context);
exception_count++;
}
{
DEBUG_EVENT event;
BOOL t = WaitForDebugEvent (&event, INFINITE);
-
- DEBUG (("%d = WaitForDebugEvent() code=%d pid=%d tid=%d)\n",
- t,
- event.dwDebugEventCode,
- event.dwProcessId,
- event.dwThreadId));
+ char *p;
event_count++;
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,
+ "CREATE_THREAD_DEBUG_EVENT"));
+ break;
case EXIT_THREAD_DEBUG_EVENT:
+ DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
+ event.dwProcessId, event.dwThreadId,
+ "EXIT_THREAD_DEBUG_EVENT"));
+ break;
case CREATE_PROCESS_DEBUG_EVENT:
+ DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
+ event.dwProcessId, event.dwThreadId,
+ "CREATE_PROCESS_DEBUG_EVENT"));
break;
case EXIT_PROCESS_DEBUG_EVENT:
+ DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
+ event.dwProcessId, event.dwThreadId,
+ "EXIT_PROCESS_DEBUG_EVENT"));
ourstatus->kind = TARGET_WAITKIND_EXITED;
ourstatus->value.integer = event.u.ExitProcess.dwExitCode;
CloseHandle (current_process);
break;
case LOAD_DLL_DEBUG_EVENT:
- catch_errors (handle_load_dll,
- (char*) &event,
- "\n[failed reading symbols from DLL]\n",
- RETURN_MASK_ALL);
- registers_changed(); /* mark all regs invalid */
+ DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
+ event.dwProcessId, event.dwThreadId,
+ "LOAD_DLL_DEBUG_EVENT"));
+ catch_errors (handle_load_dll,
+ (char*) &event,
+ "\n[failed reading symbols from DLL]\n",
+ RETURN_MASK_ALL);
+ registers_changed(); /* mark all regs invalid */
break;
- case EXCEPTION_DEBUG_EVENT:
+ case UNLOAD_DLL_DEBUG_EVENT:
+ DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
+ event.dwProcessId, event.dwThreadId,
+ "UNLOAD_DLL_DEBUG_EVENT"));
+ break; /* FIXME: don't know what to do here */
+ case EXCEPTION_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;
+
+ case OUTPUT_DEBUG_STRING_EVENT: /* message from the kernel */
+ DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
+ event.dwProcessId, event.dwThreadId,
+ "OUTPUT_DEBUG_STRING_EVENT"));
+ if (target_read_string
+ ((CORE_ADDR) event.u.DebugString.lpDebugStringData,
+ &p, 1024, 0) && p && *p)
+ {
+ warning(p);
+ free(p);
+ }
+ break;
default:
- printf_unfiltered ("waitfor it %d %d %d %d\n", t,
- event.dwDebugEventCode,
- event.dwProcessId,
- event.dwThreadId);
+ printf_unfiltered ("gdb: kernel event for pid=%d tid=%d\n",
+ event.dwProcessId, event.dwThreadId);
+ printf_unfiltered (" unknown event code %d\n",
+ event.dwDebugEventCode);
break;
}
+ DEBUG_EVENTS (("ContinueDebugEvent (cpid=%d, ctid=%d, DBG_CONTINUE);\n",
+ current_process_id, current_thread_id));
CHECK (ContinueDebugEvent (current_process_id,
current_thread_id,
DBG_CONTINUE));
}
-
-
/* Attach to process PID, then initialize for debugging it. */
static void
}
+/* Convert a unix-style set-of-paths (a colon-separated list of directory
+ paths with forward slashes) into the dos style (semicolon-separated
+ list with backward slashes), simultaneously undoing any translations
+ performed by the mount table. */
+
+static char *buf = NULL;
+static int blen = 2000;
+
+static char *
+unix_paths_to_dos_paths(char *newenv)
+{
+ int ei;
+ char *src;
+
+ if (buf == 0)
+ buf = (char *) malloc(blen);
+
+ if (newenv == 0 || *newenv == 0 ||
+ (src = strchr(newenv, '=')) == 0) /* find the equals sign */
+ return 0;
+
+ src++; /* now skip past it */
+
+ if (src[0] == '/' || /* is this a unix style path? */
+ (src[0] == '.' && src[1] == '/') ||
+ (src[0] == '.' && src[1] == '.' && src[2] == '/'))
+ { /* we accept that we will fail on a relative path like 'foo/mumble' */
+ /* Found an env name, turn from unix style into dos style */
+ int len = src - newenv;
+ char *dir = buf + len;
+
+ memcpy(buf, newenv, len);
+ /* Split out the colons */
+ while (1)
+ {
+ char *tok = strchr (src, ':');
+ int doff = dir - buf;
+
+ if (doff + MAX_PATH > blen)
+ {
+ blen *= 2;
+ buf = (char *) realloc((void *) buf, blen);
+ dir = buf + doff;
+ }
+ if (tok)
+ {
+ *tok = 0;
+ cygwin32_unix_path_to_dos_path_keep_rel (src, dir);
+ *tok = ':';
+ dir += strlen(dir);
+ src = tok + 1;
+ *dir++ = ';';
+ }
+ else
+ {
+ cygwin32_unix_path_to_dos_path_keep_rel (src, dir);
+ dir += strlen(dir);
+ *dir++ = 0;
+ break;
+ }
+ }
+ return buf;
+ }
+ return 0;
+}
+
+/* Convert a dos-style set-of-paths (a semicolon-separated list with
+ backward slashes) into the dos style (colon-separated list of
+ directory paths with forward slashes), simultaneously undoing any
+ translations performed by the mount table. */
+
+static char *
+dos_paths_to_unix_paths(char *newenv)
+{
+ int ei;
+ char *src;
+
+ if (buf == 0)
+ buf = (char *) malloc(blen);
+
+ if (newenv == 0 || *newenv == 0 ||
+ (src = strchr(newenv, '=')) == 0) /* find the equals sign */
+ return 0;
+
+ src++; /* now skip past it */
+
+ if (src[0] == '\\' || /* is this a dos style path? */
+ (isalpha(src[0]) && src[1] == ':' && src[2] == '\\') ||
+ (src[0] == '.' && src[1] == '\\') ||
+ (src[0] == '.' && src[1] == '.' && src[2] == '\\'))
+ { /* we accept that we will fail on a relative path like 'foo\mumble' */
+ /* Found an env name, turn from dos style into unix style */
+ int len = src - newenv;
+ char *dir = buf + len;
+
+ memcpy(buf, newenv, len);
+ /* Split out the colons */
+ while (1)
+ {
+ char *tok = strchr (src, ';');
+ int doff = dir - buf;
+
+ if (doff + MAX_PATH > blen)
+ {
+ blen *= 2;
+ buf = (char *) realloc((void *) buf, blen);
+ dir = buf + doff;
+ }
+ if (tok)
+ {
+ *tok = 0;
+ cygwin32_dos_path_to_unix_path_keep_rel (src, dir);
+ *tok = ';';
+ dir += strlen(dir);
+ src = tok + 1;
+ *dir++ = ':';
+ }
+ else
+ {
+ cygwin32_dos_path_to_unix_path_keep_rel (src, dir);
+ dir += strlen(dir);
+ *dir++ = 0;
+ break;
+ }
+ }
+ return buf;
+ }
+ return 0;
+}
+
+
/* Start an inferior win32 child process and sets inferior_pid to its pid.
EXEC_FILE is the file to run.
ALLARGS is a string containing the arguments to the program.
ENV is the environment vector to pass. Errors reported with error(). */
-
static void
child_create_inferior (exec_file, allargs, env)
char *exec_file;
unix_path_to_dos_path (exec_file, real_path);
- flags = DEBUG_ONLY_THIS_PROCESS | DEBUG_PROCESS;
+ flags = DEBUG_ONLY_THIS_PROCESS;
if (new_group)
flags |= CREATE_NEW_PROCESS_GROUP;
strcat (args, " ");
strcat (args, allargs);
-
+#if 0
/* get total size for env strings */
for (envlen = 0, i = 0; env[i] && *env[i]; i++)
envlen += strlen(env[i]) + 1;
+#else
+ /* get total size for env strings */
+ for (envlen = 0, i = 0; env[i] && *env[i]; i++)
+ {
+#if 0
+ winenv = 0;
+#else
+ winenv = unix_paths_to_dos_paths(env[i]);
+#endif
+ envlen += winenv ? strlen(winenv) + 1 : strlen(env[i]) + 1;
+ }
+#endif
- winenv = alloca(envlen + 1); /* allocate new buffer */
+ winenv = alloca(2 * envlen + 1); /* allocate new buffer */
/* copy env strings into new buffer */
for (temp = winenv, i = 0; env[i] && *env[i]; i++)
{
+#if 0
+ char *p = 0;
+#else
+ char *p = unix_paths_to_dos_paths(env[i]);
+#endif
+ strcpy(temp, p ? p : env[i]);
+ temp += strlen(temp) + 1;
+ }
+#if 0
+ /* copy env strings into new buffer */
+ for (temp = winenv, i = 0; env[i] && *env[i]; i++)
+ {
strcpy(temp, env[i]);
temp += strlen(temp) + 1;
}
+#endif
+
*temp = 0; /* final nil string to terminate new env */
ret = CreateProcess (0,
void
child_stop ()
{
+ DEBUG_EVENTS (("gdb: GenerateConsoleCtrlEvent (CTRLC_EVENT, 0)\n"));
CHECK (GenerateConsoleCtrlEvent (CTRL_C_EVENT, 0));
+ registers_changed(); /* refresh register state */
}
int
DWORD done;
if (write)
{
+ DEBUG_MEM (("gdb: write target memory, %d bytes at 0x%08x\n",
+ len, memaddr));
WriteProcessMemory (current_process, memaddr, our, len, &done);
FlushInstructionCache (current_process, memaddr, len);
}
else
{
+ DEBUG_MEM (("gdb: read target memory, %d bytes at 0x%08x\n",
+ len, memaddr));
ReadProcessMemory (current_process, memaddr, our, len, &done);
}
return done;
CHECK (TerminateProcess (current_process, 0));
CHECK (CloseHandle (current_process));
CHECK (CloseHandle (current_thread));
+ target_mourn_inferior(); /* or just child_mourn_inferior? */
}
void
child_resume (int pid, int step, enum target_signal signal)
{
- DEBUG (("child_resume (%d, %d, %d);\n", pid, step, signal));
+ DEBUG_EXEC (("gdb: child_resume (pid=%d, step=%d, signal=%d);\n",
+ pid, step, signal));
if (step)
{
#ifdef __PPC__
warning ("Single stepping not done.\n");
#endif
-#ifdef __I386__
+#ifdef i386
/* Single step by setting t bit */
child_fetch_inferior_registers (PS_REGNUM);
context.EFlags |= FLAG_TRACE_BIT;
fprintf_unfiltered (gdb_stderr, "Can't send signals to the child.\n");
}
+ DEBUG_EVENTS (("gdb: ContinueDebugEvent (cpid=%d, ctid=%d, DBG_CONTINUE);\n",
+ current_process_id, current_thread_id));
CHECK (ContinueDebugEvent (current_process_id,
current_thread_id,
DBG_CONTINUE));
static void
child_close ()
{
-
+ DEBUG_EVENTS (("gdb: child_close, inferior_pid=%d\n", inferior_pid));
}
+
struct target_ops child_ops =
{
"child", /* to_shortname */
OPS_MAGIC /* to_magic */
};
+#include "environ.h"
+
+static void
+set_pathstyle_dos(args, from_tty, c)
+ char *args;
+ int from_tty;
+ struct cmd_list_element *c;
+{
+ char **vector = environ_vector(inferior_environ);
+ char *thisvar;
+ int dos = *(int *) c->var;
+
+ if (info_verbose)
+ printf_unfiltered ("Change dos_path_style to %s\n", dos ? "true":"false");
+
+ while (vector && *vector)
+ {
+ if (dos)
+ thisvar = unix_paths_to_dos_paths(*vector);
+ else
+ thisvar = dos_paths_to_unix_paths(*vector);
+
+ if (thisvar)
+ {
+ if (info_verbose)
+ printf_unfiltered ("Change %s\nto %s\n", *vector, thisvar);
+ free(*vector);
+ *vector = xmalloc(strlen(thisvar) + 1);
+ strcpy(*vector, thisvar);
+ }
+ vector++;
+ }
+}
+
+
void
_initialize_inftarg ()
{
+ struct cmd_list_element *c;
+
add_show_from_set
(add_set_cmd ("new-console", class_support, var_boolean,
(char *) &new_console,
&setlist),
&showlist);
+ add_show_from_set
+ (c = add_set_cmd ("dos-path-style", class_support, var_boolean,
+ (char *) &dos_path_style,
+ "Set whether paths in child's environment are shown in dos style.",
+ &setlist),
+ &showlist);
+
+ c->function.sfunc = set_pathstyle_dos;
+
+ add_show_from_set
+ (add_set_cmd ("debugexec", class_support, var_boolean,
+ (char *) &debug_exec,
+ "Set whether to display execution in child process.",
+ &setlist),
+ &showlist);
+
+ add_show_from_set
+ (add_set_cmd ("debugevents", class_support, var_boolean,
+ (char *) &debug_events,
+ "Set whether to display kernel events in child process.",
+ &setlist),
+ &showlist);
+
+ add_show_from_set
+ (add_set_cmd ("debugmemory", class_support, var_boolean,
+ (char *) &debug_memory,
+ "Set whether to display memory accesses in child process.",
+ &setlist),
+ &showlist);
+
+ add_show_from_set
+ (add_set_cmd ("debugexceptions", class_support, var_boolean,
+ (char *) &debug_exceptions,
+ "Set whether to display kernel exceptions in child process.",
+ &setlist),
+ &showlist);
+
add_target (&child_ops);
}
projects / external / binutils.git / commitdiff