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import gdb-1999-07-07 post reformat

This commit is contained in:
Jason Molenda 1999-07-07 20:11:14 +00:00
parent 103186c62b
commit 3a4b77d8be
1 changed files with 146 additions and 142 deletions
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288
gdb/windows-nat.c
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@ -16,8 +16,9 @@
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 */
@ -84,16 +85,18 @@ static int last_sig = 0; /* Set if a signal was received from the
/* Thread information structure used to track information that is
not available in gdb's thread structure. */
typedef struct thread_info_struct
{
struct thread_info_struct *next;
DWORD id;
HANDLE h;
char *name;
int suspend_count;
CONTEXT context;
} thread_info;
{
struct thread_info_struct *next;
DWORD id;
HANDLE h;
char *name;
int suspend_count;
CONTEXT context;
}
thread_info;
static thread_info thread_head = {NULL};
static thread_info thread_head =
{NULL};
/* The process and thread handles for the above context. */
@ -101,7 +104,7 @@ static DEBUG_EVENT current_event; /* The current debug event from
WaitForDebugEvent */
static HANDLE current_process_handle; /* Currently executing process */
static thread_info *current_thread; /* Info on currently selected thread */
static DWORD main_thread_id; /* Thread ID of the main thread */
static DWORD main_thread_id; /* Thread ID of the main thread */
/* Counts of things. */
static int exception_count = 0;
@ -110,9 +113,9 @@ static int event_count = 0;
/* User options. */
static int new_console = 0;
static int new_group = 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_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
@ -131,30 +134,30 @@ static int debug_exceptions = 0; /* show target exceptions */
#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 (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]),
};
/* This vector maps the target's idea of an exception (extracted
@ -184,7 +187,7 @@ thread_rec (DWORD id, int get_context)
{
thread_info *th;
for (th = &thread_head; (th = th->next) != NULL; )
for (th = &thread_head; (th = th->next) != NULL;)
if (th->id == id)
{
if (!th->suspend_count && get_context)
@ -205,7 +208,7 @@ thread_rec (DWORD id, int get_context)
/* Add a thread to the thread list */
static thread_info *
child_add_thread(DWORD id, HANDLE h)
child_add_thread (DWORD id, HANDLE h)
{
thread_info *th;
@ -213,7 +216,7 @@ child_add_thread(DWORD id, HANDLE h)
return th;
th = (thread_info *) xmalloc (sizeof (*th));
memset(th, 0, sizeof (*th));
memset (th, 0, sizeof (*th));
th->id = id;
th->h = h;
th->next = thread_head.next;
@ -316,7 +319,7 @@ child_store_inferior_registers (int r)
static int
handle_load_dll (PTR dummy)
{
LOAD_DLL_DEBUG_INFO * event = &current_event.u.LoadDll;
LOAD_DLL_DEBUG_INFO *event = &current_event.u.LoadDll;
DWORD dll_name_ptr;
DWORD done;
char dll_buf[MAX_PATH + 1];
@ -324,7 +327,7 @@ handle_load_dll (PTR dummy)
struct objfile *objfile;
MEMORY_BASIC_INFORMATION minfo;
dll_buf[0] = dll_buf[sizeof(dll_buf) - 1] = '\0';
dll_buf[0] = dll_buf[sizeof (dll_buf) - 1] = '\0';
/* The following code attempts to find the name of the dll by reading the
name from the processes memory. Unfortunately it doesn't work right.
@ -332,7 +335,8 @@ handle_load_dll (PTR dummy)
#ifdef DOESNT_WORK
memset (&minfo, 0, sizeof minfo);
if (VirtualQueryEx (current_process_handle, (LPCVOID) event->lpBaseOfDll,
&minfo, sizeof(minfo)) && minfo.BaseAddress) {
&minfo, sizeof (minfo)) && minfo.BaseAddress)
{
DWORD len;
IMAGE_DOS_HEADER *hmm0 = (IMAGE_DOS_HEADER *) minfo.BaseAddress;
HMODULE hmm = (HMODULE) (((DWORD) hmm0) + hmm0->e_lfanew);
@ -342,7 +346,7 @@ handle_load_dll (PTR dummy)
dll_name = dll_buf;
dll_name[len] = '\0';
}
}
}
#endif
/* Attempt to read the name of the dll that was detected.
@ -360,7 +364,7 @@ handle_load_dll (PTR dummy)
sizeof (dll_name_ptr), &done);
/* See if we could read the address of a string, and that the
address isn't null. */
address isn't null. */
if (done != sizeof (dll_name_ptr) || !dll_name_ptr)
return 1;
@ -410,23 +414,23 @@ handle_load_dll (PTR dummy)
/* FIXME!! It would be nice to define one symbol which pointed to the
front of the dll if we can't find any symbols. */
if (!(dll_basename = strrchr(dll_name, '/')))
if (!(dll_basename = strrchr (dll_name, '/')))
dll_basename = dll_name;
else
dll_basename++;
ALL_OBJFILES(objfile)
{
char *objfile_basename;
objfile_basename = strrchr(objfile->name, '/');
ALL_OBJFILES (objfile)
{
char *objfile_basename;
objfile_basename = strrchr (objfile->name, '/');
if (objfile_basename &&
strcmp(dll_basename, objfile_basename + 1) == 0)
{
printf_unfiltered ("%x:%s (symbols previously loaded)\n",
event->lpBaseOfDll, dll_name);
goto out;
}
if (objfile_basename &&
strcmp (dll_basename, objfile_basename + 1) == 0)
{
printf_unfiltered ("%x:%s (symbols previously loaded)\n",
event->lpBaseOfDll, dll_name);
goto out;
}
}
/* The symbols in a dll are offset by 0x1000, which is the
@ -453,18 +457,18 @@ handle_output_debug_string (struct target_waitstatus *ourstatus)
int gotasig = FALSE;
if (!target_read_string
((CORE_ADDR) current_event.u.DebugString.lpDebugStringData, &s, 1024, 0)
((CORE_ADDR) current_event.u.DebugString.lpDebugStringData, &s, 1024, 0)
|| !s || !*s)
return gotasig;
if (strncmp(s, CYGWIN_SIGNAL_STRING, sizeof(CYGWIN_SIGNAL_STRING) - 1))
if (strncmp (s, CYGWIN_SIGNAL_STRING, sizeof (CYGWIN_SIGNAL_STRING) - 1))
{
warning (s);
}
else
{
char *p;
/*last_sig = */strtol(s + sizeof(CYGWIN_SIGNAL_STRING) - 1, &p, 0);
/*last_sig = */ strtol (s + sizeof (CYGWIN_SIGNAL_STRING) - 1, &p, 0);
gotasig = target_signal_from_host (last_sig);
ourstatus->value.sig = gotasig;
if (gotasig)
@ -491,41 +495,41 @@ handle_exception (struct target_waitstatus *ourstatus)
{
case EXCEPTION_ACCESS_VIOLATION:
DEBUG_EXCEPT (("gdb: Target exception ACCESS_VIOLATION at 0x%08x\n",
current_event.u.Exception.ExceptionRecord.ExceptionAddress));
current_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",
current_event.u.Exception.ExceptionRecord.ExceptionAddress));
current_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",
current_event.u.Exception.ExceptionRecord.ExceptionAddress));
current_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",
current_event.u.Exception.ExceptionRecord.ExceptionAddress));
current_event.u.Exception.ExceptionRecord.ExceptionAddress));
ourstatus->value.sig = TARGET_SIGNAL_INT;
/* User typed CTRL-C. Continue with this status */
last_sig = SIGINT; /* FIXME - should check pass state */
break;
case EXCEPTION_SINGLE_STEP:
DEBUG_EXCEPT (("gdb: Target exception SINGLE_STEP at 0x%08x\n",
current_event.u.Exception.ExceptionRecord.ExceptionAddress));
current_event.u.Exception.ExceptionRecord.ExceptionAddress));
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. */
that case, we want to let the program try to handle it, and
only break if we see the exception a second time. */
if (current_event.u.Exception.dwFirstChance)
return 0;
printf_unfiltered ("gdb: unknown target exception 0x%08x at 0x%08x\n",
current_event.u.Exception.ExceptionRecord.ExceptionCode,
current_event.u.Exception.ExceptionRecord.ExceptionAddress);
current_event.u.Exception.ExceptionRecord.ExceptionCode,
current_event.u.Exception.ExceptionRecord.ExceptionAddress);
ourstatus->value.sig = TARGET_SIGNAL_UNKNOWN;
break;
}
@ -548,7 +552,7 @@ child_continue (DWORD continue_status, int id)
current_event.dwThreadId,
continue_status);
if (res)
for (th = &thread_head; (th = th->next) != NULL; )
for (th = &thread_head; (th = th->next) != NULL;)
if (((id == -1) || (id == th->id)) && th->suspend_count)
{
for (i = 0; i < th->suspend_count; i++)
@ -586,38 +590,38 @@ child_wait (int pid, struct target_waitstatus *ourstatus)
{
case CREATE_THREAD_DEBUG_EVENT:
DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%x code=%s)\n",
current_event.dwProcessId, current_event.dwThreadId,
current_event.dwProcessId, current_event.dwThreadId,
"CREATE_THREAD_DEBUG_EVENT"));
/* Record the existence of this thread */
child_add_thread (current_event.dwThreadId,
current_event.u.CreateThread.hThread);
if (info_verbose)
printf_unfiltered ("[New %s]\n",
target_pid_to_str (current_event.dwThreadId));
target_pid_to_str (current_event.dwThreadId));
break;
case EXIT_THREAD_DEBUG_EVENT:
DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
current_event.dwProcessId, current_event.dwThreadId,
current_event.dwProcessId, current_event.dwThreadId,
"EXIT_THREAD_DEBUG_EVENT"));
child_delete_thread (current_event.dwThreadId);
break;
case CREATE_PROCESS_DEBUG_EVENT:
DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
current_event.dwProcessId, current_event.dwThreadId,
current_event.dwProcessId, current_event.dwThreadId,
"CREATE_PROCESS_DEBUG_EVENT"));
current_process_handle = current_event.u.CreateProcessInfo.hProcess;
main_thread_id = inferior_pid = current_event.dwThreadId;
/* Add the main thread */
current_thread = child_add_thread (inferior_pid,
current_event.u.CreateProcessInfo.hThread);
current_event.u.CreateProcessInfo.hThread);
break;
case EXIT_PROCESS_DEBUG_EVENT:
DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
current_event.dwProcessId, current_event.dwThreadId,
current_event.dwProcessId, current_event.dwThreadId,
"EXIT_PROCESS_DEBUG_EVENT"));
ourstatus->kind = TARGET_WAITKIND_EXITED;
ourstatus->value.integer = current_event.u.ExitProcess.dwExitCode;
@ -627,30 +631,30 @@ child_wait (int pid, struct target_waitstatus *ourstatus)
case LOAD_DLL_DEBUG_EVENT:
DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
current_event.dwProcessId, current_event.dwThreadId,
current_event.dwProcessId, current_event.dwThreadId,
"LOAD_DLL_DEBUG_EVENT"));
catch_errors (handle_load_dll, NULL, "", RETURN_MASK_ALL);
registers_changed(); /* mark all regs invalid */
registers_changed (); /* mark all regs invalid */
break;
case UNLOAD_DLL_DEBUG_EVENT:
DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
current_event.dwProcessId, current_event.dwThreadId,
current_event.dwProcessId, current_event.dwThreadId,
"UNLOAD_DLL_DEBUG_EVENT"));
break; /* FIXME: don't know what to do here */
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",
current_event.dwProcessId, current_event.dwThreadId,
current_event.dwProcessId, current_event.dwThreadId,
"EXCEPTION_DEBUG_EVENT"));
if (handle_exception (ourstatus))
return current_event.dwThreadId;
continue_status = DBG_EXCEPTION_NOT_HANDLED;
break;
case OUTPUT_DEBUG_STRING_EVENT: /* message from the kernel */
case OUTPUT_DEBUG_STRING_EVENT: /* message from the kernel */
DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n",
current_event.dwProcessId, current_event.dwThreadId,
current_event.dwProcessId, current_event.dwThreadId,
"OUTPUT_DEBUG_STRING_EVENT"));
if (handle_output_debug_string (ourstatus))
return main_thread_id;
@ -769,7 +773,7 @@ child_create_inferior (exec_file, allargs, env)
char real_path[MAXPATHLEN];
char *winenv;
char *temp;
int envlen;
int envlen;
int i;
STARTUPINFO si;
@ -815,10 +819,10 @@ child_create_inferior (exec_file, allargs, env)
to posix style if necessary. */
static const char *conv_path_names[] =
{
"PATH=",
0
};
{
"PATH=",
0
};
/* CreateProcess takes the environment list as a null terminated set of
strings (i.e. two nulls terminate the list). */
@ -878,7 +882,7 @@ child_create_inferior (exec_file, allargs, env)
}
ret = CreateProcess (0,
args, /* command line */
args, /* command line */
NULL, /* Security */
NULL, /* thread */
TRUE, /* inherit handles */
@ -888,7 +892,7 @@ child_create_inferior (exec_file, allargs, env)
&si,
&pi);
if (!ret)
error ("Error creating process %s, (error %d)\n", exec_file, GetLastError());
error ("Error creating process %s, (error %d)\n", exec_file, GetLastError ());
exception_count = 0;
event_count = 0;
@ -926,7 +930,7 @@ child_stop ()
{
DEBUG_EVENTS (("gdb: GenerateConsoleCtrlEvent (CTRLC_EVENT, 0)\n"));
CHECK (GenerateConsoleCtrlEvent (CTRL_C_EVENT, 0));
registers_changed(); /* refresh register state */
registers_changed (); /* refresh register state */
}
int
@ -971,7 +975,7 @@ child_kill_inferior (void)
/* this may fail in an attached process so don't check. */
(void) CloseHandle (current_thread->h);
target_mourn_inferior(); /* or just child_mourn_inferior? */
target_mourn_inferior (); /* or just child_mourn_inferior? */
}
void
@ -980,7 +984,7 @@ child_resume (int pid, int step, enum target_signal sig)
int i;
thread_info *th;
DWORD continue_status = last_sig > 0 && last_sig < NSIG ?
DBG_EXCEPTION_NOT_HANDLED : DBG_CONTINUE;
DBG_EXCEPTION_NOT_HANDLED : DBG_CONTINUE;
DEBUG_EXEC (("gdb: child_resume (pid=%d, step=%d, sig=%d);\n",
pid, step, sig));
@ -1029,58 +1033,58 @@ child_close ()
DEBUG_EVENTS (("gdb: child_close, inferior_pid=%d\n", inferior_pid));
}
struct target_ops child_ops ;
struct target_ops child_ops;
static void
init_child_ops(void)
static void
init_child_ops (void)
{
child_ops.to_shortname = "child";
child_ops.to_longname = "Win32 child process";
child_ops.to_doc = "Win32 child process (started by the \"run\" command).";
child_ops.to_open = child_open;
child_ops.to_close = child_close;
child_ops.to_attach = child_attach;
child_ops.to_detach = child_detach;
child_ops.to_resume = child_resume;
child_ops.to_wait = child_wait;
child_ops.to_fetch_registers = child_fetch_inferior_registers;
child_ops.to_store_registers = child_store_inferior_registers;
child_ops.to_prepare_to_store = child_prepare_to_store;
child_ops.to_xfer_memory = child_xfer_memory;
child_ops.to_files_info = child_files_info;
child_ops.to_insert_breakpoint = memory_insert_breakpoint;
child_ops.to_remove_breakpoint = memory_remove_breakpoint;
child_ops.to_terminal_init = terminal_init_inferior;
child_ops.to_terminal_inferior = terminal_inferior;
child_ops.to_terminal_ours_for_output = terminal_ours_for_output;
child_ops.to_terminal_ours = terminal_ours;
child_ops.to_terminal_info = child_terminal_info;
child_ops.to_kill = child_kill_inferior;
child_ops.to_load = 0;
child_ops.to_lookup_symbol = 0;
child_ops.to_create_inferior = child_create_inferior;
child_ops.to_mourn_inferior = child_mourn_inferior;
child_ops.to_can_run = child_can_run;
child_ops.to_notice_signals = 0;
child_ops.to_thread_alive = win32_child_thread_alive;
child_ops.to_stop = child_stop;
child_ops.to_stratum = process_stratum;
child_ops.DONT_USE = 0;
child_ops.to_has_all_memory = 1;
child_ops.to_has_memory = 1;
child_ops.to_has_stack = 1;
child_ops.to_has_registers = 1;
child_ops.to_has_execution = 1;
child_ops.to_sections = 0;
child_ops.to_sections_end = 0;
child_ops.to_magic = OPS_MAGIC;
child_ops.to_shortname = "child";
child_ops.to_longname = "Win32 child process";
child_ops.to_doc = "Win32 child process (started by the \"run\" command).";
child_ops.to_open = child_open;
child_ops.to_close = child_close;
child_ops.to_attach = child_attach;
child_ops.to_detach = child_detach;
child_ops.to_resume = child_resume;
child_ops.to_wait = child_wait;
child_ops.to_fetch_registers = child_fetch_inferior_registers;
child_ops.to_store_registers = child_store_inferior_registers;
child_ops.to_prepare_to_store = child_prepare_to_store;
child_ops.to_xfer_memory = child_xfer_memory;
child_ops.to_files_info = child_files_info;
child_ops.to_insert_breakpoint = memory_insert_breakpoint;
child_ops.to_remove_breakpoint = memory_remove_breakpoint;
child_ops.to_terminal_init = terminal_init_inferior;
child_ops.to_terminal_inferior = terminal_inferior;
child_ops.to_terminal_ours_for_output = terminal_ours_for_output;
child_ops.to_terminal_ours = terminal_ours;
child_ops.to_terminal_info = child_terminal_info;
child_ops.to_kill = child_kill_inferior;
child_ops.to_load = 0;
child_ops.to_lookup_symbol = 0;
child_ops.to_create_inferior = child_create_inferior;
child_ops.to_mourn_inferior = child_mourn_inferior;
child_ops.to_can_run = child_can_run;
child_ops.to_notice_signals = 0;
child_ops.to_thread_alive = win32_child_thread_alive;
child_ops.to_stop = child_stop;
child_ops.to_stratum = process_stratum;
child_ops.DONT_USE = 0;
child_ops.to_has_all_memory = 1;
child_ops.to_has_memory = 1;
child_ops.to_has_stack = 1;
child_ops.to_has_registers = 1;
child_ops.to_has_execution = 1;
child_ops.to_sections = 0;
child_ops.to_sections_end = 0;
child_ops.to_magic = OPS_MAGIC;
}
void
_initialize_inftarg ()
{
struct cmd_list_element *c;
init_child_ops() ;
init_child_ops ();
add_show_from_set
(add_set_cmd ("new-console", class_support, var_boolean,
@ -1120,7 +1124,7 @@ _initialize_inftarg ()
add_show_from_set
(add_set_cmd ("debugexceptions", class_support, var_boolean,
(char *) &debug_exceptions,
"Set whether to display kernel exceptions in child process.",
"Set whether to display kernel exceptions in child process.",
&setlist),
&showlist);
@ -1133,8 +1137,8 @@ _initialize_inftarg ()
static int
win32_child_thread_alive (int pid)
{
return WaitForSingleObject(thread_rec (pid, FALSE)->h, 0) == WAIT_OBJECT_0 ?
FALSE : TRUE;
return WaitForSingleObject (thread_rec (pid, FALSE)->h, 0) == WAIT_OBJECT_0 ?
FALSE : TRUE;
}
/* Convert pid to printable format. */