/* Target-vector operations for controlling windows child processes, for GDB.
- Copyright (C) 1995-2018 Free Software Foundation, Inc.
+ Copyright (C) 1995-2019 Free Software Foundation, Inc.
Contributed by Cygnus Solutions, A Red Hat Company.
#include "x86-nat.h"
#include "complaints.h"
#include "inf-child.h"
-#include "gdb_tilde_expand.h"
+#include "common/gdb_tilde_expand.h"
+#include "common/pathstuff.h"
#define AdjustTokenPrivileges dyn_AdjustTokenPrivileges
#define DebugActiveProcessStop dyn_DebugActiveProcessStop
return NULL;
}
-/* Add a thread to the thread list. */
+/* Add a thread to the thread list.
+
+ PTID is the ptid of the thread to be added.
+ H is its Windows handle.
+ TLB is its thread local base.
+ MAIN_THREAD_P should be true if the thread to be added is
+ the main thread, false otherwise. */
+
static windows_thread_info *
-windows_add_thread (ptid_t ptid, HANDLE h, void *tlb)
+windows_add_thread (ptid_t ptid, HANDLE h, void *tlb, bool main_thread_p)
{
windows_thread_info *th;
DWORD id;
th->thread_local_base = (CORE_ADDR) (uintptr_t) tlb;
th->next = thread_head.next;
thread_head.next = th;
- add_thread (ptid);
+
+ /* Add this new thread to the list of threads.
+
+ To be consistent with what's done on other platforms, we add
+ the main thread silently (in reality, this thread is really
+ more of a process to the user than a thread). */
+ if (main_thread_p)
+ add_thread_silent (ptid);
+ else
+ add_thread (ptid);
+
/* Set the debug registers for the new thread if they are used. */
if (debug_registers_used)
{
thread_head.next = NULL;
}
-/* Delete a thread from the list of threads. */
+/* Delete a thread from the list of threads.
+
+ PTID is the ptid of the thread to be deleted.
+ EXIT_CODE is the thread's exit code.
+ MAIN_THREAD_P should be true if the thread to be deleted is
+ the main thread, false otherwise. */
+
static void
-windows_delete_thread (ptid_t ptid, DWORD exit_code)
+windows_delete_thread (ptid_t ptid, DWORD exit_code, bool main_thread_p)
{
windows_thread_info *th;
DWORD id;
id = ptid.tid ();
+ /* Emit a notification about the thread being deleted.
+
+ Note that no notification was printed when the main thread
+ was created, and thus, unless in verbose mode, we should be
+ symetrical, and avoid that notification for the main thread
+ here as well. */
+
if (info_verbose)
printf_unfiltered ("[Deleting %s]\n", target_pid_to_str (ptid));
- else if (print_thread_events && id != main_thread_id)
+ else if (print_thread_events && !main_thread_p)
printf_unfiltered (_("[%s exited with code %u]\n"),
target_pid_to_str (ptid), (unsigned) exit_code);
+
delete_thread (find_thread_ptid (ptid));
for (th = &thread_head;
/* We can not debug anything in that case. */
}
main_thread_id = current_event.dwThreadId;
- current_thread = windows_add_thread (
- ptid_t (current_event.dwProcessId, 0,
- current_event.dwThreadId),
- current_event.u.CreateThread.hThread,
- current_event.u.CreateThread.lpThreadLocalBase);
+ current_thread
+ = windows_add_thread (ptid_t (current_event.dwProcessId, 0,
+ current_event.dwThreadId),
+ current_event.u.CreateThread.hThread,
+ current_event.u.CreateThread.lpThreadLocalBase,
+ true /* main_thread_p */);
return main_thread_id;
}
}
/* Record the existence of this thread. */
thread_id = current_event.dwThreadId;
- th = windows_add_thread (ptid_t (current_event.dwProcessId, 0,
- current_event.dwThreadId),
- current_event.u.CreateThread.hThread,
- current_event.u.CreateThread.lpThreadLocalBase);
+ th = windows_add_thread
+ (ptid_t (current_event.dwProcessId, 0, current_event.dwThreadId),
+ current_event.u.CreateThread.hThread,
+ current_event.u.CreateThread.lpThreadLocalBase,
+ false /* main_thread_p */);
break;
(unsigned) current_event.dwProcessId,
(unsigned) current_event.dwThreadId,
"EXIT_THREAD_DEBUG_EVENT"));
-
- if (current_event.dwThreadId != main_thread_id)
- {
- windows_delete_thread (ptid_t (current_event.dwProcessId, 0,
- current_event.dwThreadId),
- current_event.u.ExitThread.dwExitCode);
- th = &dummy_thread_info;
- }
+ windows_delete_thread (ptid_t (current_event.dwProcessId, 0,
+ current_event.dwThreadId),
+ current_event.u.ExitThread.dwExitCode,
+ false /* main_thread_p */);
+ th = &dummy_thread_info;
break;
case CREATE_PROCESS_DEBUG_EVENT:
break;
current_process_handle = current_event.u.CreateProcessInfo.hProcess;
- if (main_thread_id)
- windows_delete_thread (ptid_t (current_event.dwProcessId, 0,
- main_thread_id),
- 0);
main_thread_id = current_event.dwThreadId;
/* Add the main thread. */
- th = windows_add_thread (ptid_t (current_event.dwProcessId, 0,
- current_event.dwThreadId),
- current_event.u.CreateProcessInfo.hThread,
- current_event.u.CreateProcessInfo.lpThreadLocalBase);
+ th = windows_add_thread
+ (ptid_t (current_event.dwProcessId, 0,
+ current_event.dwThreadId),
+ current_event.u.CreateProcessInfo.hThread,
+ current_event.u.CreateProcessInfo.lpThreadLocalBase,
+ true /* main_thread_p */);
thread_id = current_event.dwThreadId;
break;
}
else if (saw_create == 1)
{
+ windows_delete_thread (ptid_t (current_event.dwProcessId, 0,
+ main_thread_id),
+ 0, true /* main_thread_p */);
ourstatus->kind = TARGET_WAITKIND_EXITED;
ourstatus->value.integer = current_event.u.ExitProcess.dwExitCode;
thread_id = main_thread_id;
else
printf_unfiltered ("Attaching to %s\n",
target_pid_to_str (ptid_t (pid)));
-
- gdb_flush (gdb_stdout);
}
do_initial_windows_stuff (this, pid, 1);
exec_file = "";
printf_unfiltered ("Detaching from program: %s, Pid %u\n", exec_file,
(unsigned) current_event.dwProcessId);
- gdb_flush (gdb_stdout);
}
x86_cleanup_dregs ();
}
else
{
- sh = getenv ("SHELL");
- if (!sh)
- sh = "/bin/sh";
+ sh = get_shell ();
if (cygwin_conv_path (CCP_POSIX_TO_WIN_W, sh, shell, __PMAX) < 0)
error (_("Error starting executable via shell: %d"), errno);
#ifdef __USEWIDE
projects / deliverable / binutils-gdb.git / blobdiff