#include <psapi.h>
#ifdef __CYGWIN__
#include <sys/cygwin.h>
+#include <cygwin/version.h>
#endif
#include <signal.h>
#include "windows-tdep.h"
#include "windows-nat.h"
#include "i386-nat.h"
+#include "complaints.h"
#define AdjustTokenPrivileges dyn_AdjustTokenPrivileges
#define DebugActiveProcessStop dyn_DebugActiveProcessStop
#define DebugBreakProcess dyn_DebugBreakProcess
#define DebugSetProcessKillOnExit dyn_DebugSetProcessKillOnExit
#define EnumProcessModules dyn_EnumProcessModules
-#define GetModuleFileNameExA dyn_GetModuleFileNameExA
#define GetModuleInformation dyn_GetModuleInformation
#define LookupPrivilegeValueA dyn_LookupPrivilegeValueA
#define OpenProcessToken dyn_OpenProcessToken
static BOOL WINAPI (*DebugSetProcessKillOnExit) (BOOL);
static BOOL WINAPI (*EnumProcessModules) (HANDLE, HMODULE *, DWORD,
LPDWORD);
-static DWORD WINAPI (*GetModuleFileNameExA) (HANDLE, HMODULE, LPSTR,
- DWORD);
static BOOL WINAPI (*GetModuleInformation) (HANDLE, HMODULE, LPMODULEINFO,
DWORD);
static BOOL WINAPI (*LookupPrivilegeValueA)(LPCSTR, LPCSTR, PLUID);
static struct target_ops windows_ops;
-#ifdef __CYGWIN__
+#undef STARTUPINFO
+#undef CreateProcess
+#undef GetModuleFileNameEx
+
+#ifndef __CYGWIN__
+# define __PMAX (MAX_PATH + 1)
+ static DWORD WINAPI (*GetModuleFileNameEx) (HANDLE, HMODULE, LPSTR, DWORD);
+# define STARTUPINFO STARTUPINFOA
+# define CreateProcess CreateProcessA
+# define GetModuleFileNameEx_name "GetModuleFileNameExA"
+# define bad_GetModuleFileNameEx bad_GetModuleFileNameExA
+#else
+# define __PMAX PATH_MAX
/* The starting and ending address of the cygwin1.dll text segment. */
-static CORE_ADDR cygwin_load_start;
-static CORE_ADDR cygwin_load_end;
+ static CORE_ADDR cygwin_load_start;
+ static CORE_ADDR cygwin_load_end;
+# if CYGWIN_VERSION_DLL_MAKE_COMBINED(CYGWIN_VERSION_API_MAJOR,CYGWIN_VERSION_API_MINOR) >= 181
+# define __USEWIDE
+ typedef wchar_t cygwin_buf_t;
+ static DWORD WINAPI (*GetModuleFileNameEx) (HANDLE, HMODULE, LPWSTR, DWORD);
+# define STARTUPINFO STARTUPINFOW
+# define CreateProcess CreateProcessW
+# define GetModuleFileNameEx_name "GetModuleFileNameExW"
+# define bad_GetModuleFileNameEx bad_GetModuleFileNameExW
+# else
+# define CCP_POSIX_TO_WIN_W 1
+# define CCP_WIN_W_TO_POSIX 3
+# define cygwin_conv_path(op, from, to, size) \
+ (op == CCP_WIN_W_TO_POSIX) ? \
+ cygwin_conv_to_full_posix_path (from, to) : \
+ cygwin_conv_to_win32_path (from, to)
+ typedef char cygwin_buf_t;
+ static DWORD WINAPI (*GetModuleFileNameEx) (HANDLE, HMODULE, LPSTR, DWORD);
+# define STARTUPINFO STARTUPINFOA
+# define CreateProcess CreateProcessA
+# define GetModuleFileNameEx_name "GetModuleFileNameExA"
+# define bad_GetModuleFileNameEx bad_GetModuleFileNameExA
+# define CW_SET_DOS_FILE_WARNING -1 /* no-op this for older Cygwin */
+# endif
#endif
static int have_saved_context; /* True if we've saved context from a cygwin signal. */
static uintptr_t dr[8];
static int debug_registers_changed;
static int debug_registers_used;
+
+static int windows_initialization_done;
#define DR6_CLEAR_VALUE 0xffff0ff0
/* The string sent by cygwin when it processes a signal.
HMODULE *DllHandle = dh_buf; /* Set to temporary storage for initial query */
DWORD cbNeeded;
#ifdef __CYGWIN__
- char pathbuf[PATH_MAX + 1]; /* Temporary storage prior to converting to
- posix form */
-#else
- char *pathbuf = dll_name_ret; /* Just copy directly to passed-in arg */
+ cygwin_buf_t pathbuf[__PMAX]; /* Temporary storage prior to converting to
+ posix form. __PMAX is always enough
+ as long as SO_NAME_MAX_PATH_SIZE is defined
+ as 512. */
#endif
cbNeeded = 0;
if (!base_address || mi.lpBaseOfDll == base_address)
{
/* Try to find the name of the given module */
- len = GetModuleFileNameExA (current_process_handle,
- DllHandle[i], pathbuf, MAX_PATH);
- if (len == 0)
- error (_("Error getting dll name: %u."), (unsigned) GetLastError ());
#ifdef __CYGWIN__
/* Cygwin prefers that the path be in /x/y/z format */
- cygwin_conv_to_full_posix_path (pathbuf, dll_name_ret);
+ len = GetModuleFileNameEx (current_process_handle,
+ DllHandle[i], pathbuf, __PMAX);
+ if (len == 0)
+ error (_("Error getting dll name: %lu."), GetLastError ());
+ if (cygwin_conv_path (CCP_WIN_W_TO_POSIX, pathbuf, dll_name_ret,
+ __PMAX) < 0)
+ error (_("Error converting dll name to POSIX: %d."), errno);
+#else
+ len = GetModuleFileNameEx (current_process_handle,
+ DllHandle[i], dll_name_ret, __PMAX);
+ if (len == 0)
+ error (_("Error getting dll name: %u."), (unsigned) GetLastError ());
#endif
return 1; /* success */
}
windows_make_so (const char *name, LPVOID load_addr)
{
struct so_list *so;
- char buf[MAX_PATH + 1];
- char cwd[MAX_PATH + 1];
char *p;
+#ifndef __CYGWIN__
+ char buf[__PMAX];
+ char cwd[__PMAX];
WIN32_FIND_DATA w32_fd;
HANDLE h = FindFirstFile(name, &w32_fd);
- MEMORY_BASIC_INFORMATION m;
if (h == INVALID_HANDLE_VALUE)
strcpy (buf, name);
SetCurrentDirectory (cwd);
}
}
-
if (strcasecmp (buf, "ntdll.dll") == 0)
{
GetSystemDirectory (buf, sizeof (buf));
strcat (buf, "\\ntdll.dll");
}
+#else
+ cygwin_buf_t buf[__PMAX];
+
+ buf[0] = 0;
+ if (access (name, F_OK) != 0)
+ {
+ if (strcasecmp (name, "ntdll.dll") == 0)
+#ifdef __USEWIDE
+ {
+ GetSystemDirectoryW (buf, sizeof (buf) / sizeof (wchar_t));
+ wcscat (buf, L"\\ntdll.dll");
+ }
+#else
+ {
+ GetSystemDirectoryA (buf, sizeof (buf) / sizeof (wchar_t));
+ strcat (buf, "\\ntdll.dll");
+ }
+#endif
+ }
+#endif
so = XZALLOC (struct so_list);
so->lm_info = (struct lm_info *) xmalloc (sizeof (struct lm_info));
so->lm_info->load_addr = load_addr;
#ifndef __CYGWIN__
strcpy (so->so_name, buf);
#else
- cygwin_conv_to_posix_path (buf, so->so_name);
+ if (buf[0])
+ cygwin_conv_path (CCP_WIN_W_TO_POSIX, buf, so->so_name,
+ SO_NAME_MAX_PATH_SIZE);
+ else
+ {
+ char *rname = realpath (name, NULL);
+ if (rname && strlen (rname) < SO_NAME_MAX_PATH_SIZE)
+ {
+ strcpy (so->so_name, rname);
+ free (rname);
+ }
+ else
+ error (_("dll path too long"));
+ }
/* Record cygwin1.dll .text start/end. */
p = strchr (so->so_name, '\0') - (sizeof ("/cygwin1.dll") - 1);
if (p >= so->so_name && strcasecmp (p, "/cygwin1.dll") == 0)
static char *
get_image_name (HANDLE h, void *address, int unicode)
{
- static char buf[(2 * MAX_PATH) + 1];
+#ifdef __CYGWIN__
+ static char buf[__PMAX];
+#else
+ static char buf[(2 * __PMAX) + 1];
+#endif
DWORD size = unicode ? sizeof (WCHAR) : sizeof (char);
char *address_ptr;
int len = 0;
WCHAR *unicode_address = (WCHAR *) alloca (len * sizeof (WCHAR));
ReadProcessMemory (h, address_ptr, unicode_address, len * sizeof (WCHAR),
&done);
-
- WideCharToMultiByte (CP_ACP, 0, unicode_address, len, buf, len, 0, 0);
+#ifdef __CYGWIN__
+ wcstombs (buf, unicode_address, __PMAX);
+#else
+ WideCharToMultiByte (CP_ACP, 0, unicode_address, len, buf, sizeof buf,
+ 0, 0);
+#endif
}
return buf;
handle_load_dll (void *dummy)
{
LOAD_DLL_DEBUG_INFO *event = ¤t_event.u.LoadDll;
- char dll_buf[MAX_PATH + 1];
+ char dll_buf[__PMAX];
char *dll_name = NULL;
dll_buf[0] = dll_buf[sizeof (dll_buf) - 1] = '\0';
return 1;
}
- error (_("Error: dll starting at %s not found."),
- host_address_to_string (lpBaseOfDll));
+ /* We did not find any DLL that was previously loaded at this address,
+ so register a complaint. We do not report an error, because we have
+ observed that this may be happening under some circumstances. For
+ instance, running 32bit applications on x64 Windows causes us to receive
+ 4 mysterious UNLOAD_DLL_DEBUG_EVENTs during the startup phase (these
+ events are apparently caused by the WOW layer, the interface between
+ 32bit and 64bit worlds). */
+ complaint (&symfile_complaints, _("dll starting at %s not found."),
+ host_address_to_string (lpBaseOfDll));
return 0;
}
(unsigned) current_event.dwProcessId,
(unsigned) current_event.dwThreadId,
"EXIT_THREAD_DEBUG_EVENT"));
+
if (current_event.dwThreadId != main_thread_id)
{
windows_delete_thread (ptid_build (current_event.dwProcessId, 0,
(unsigned) current_event.dwProcessId,
(unsigned) current_event.dwThreadId,
"EXIT_PROCESS_DEBUG_EVENT"));
- if (saw_create != 1)
- break;
- ourstatus->kind = TARGET_WAITKIND_EXITED;
- ourstatus->value.integer = current_event.u.ExitProcess.dwExitCode;
- retval = main_thread_id;
+ if (!windows_initialization_done)
+ {
+ target_terminal_ours ();
+ target_mourn_inferior ();
+ error (_("During startup program exited with code 0x%x."),
+ (unsigned int) current_event.u.ExitProcess.dwExitCode);
+ }
+ else if (saw_create == 1)
+ {
+ ourstatus->kind = TARGET_WAITKIND_EXITED;
+ ourstatus->value.integer = current_event.u.ExitProcess.dwExitCode;
+ retval = main_thread_id;
+ }
break;
case LOAD_DLL_DEBUG_EVENT:
terminal_init_inferior_with_pgrp (pid);
target_terminal_inferior ();
+ windows_initialization_done = 0;
inf->stop_soon = STOP_QUIETLY;
while (1)
{
break;
}
+ windows_initialization_done = 1;
inf->stop_soon = NO_STOP_QUIETLY;
stop_after_trap = 0;
return;
BOOL ok;
DWORD pid;
- if (!args)
- error_no_arg (_("process-id to attach"));
+ pid = parse_pid_to_attach (args);
if (set_process_privilege (SE_DEBUG_NAME, TRUE) < 0)
{
printf_unfiltered ("This can cause attach to fail on Windows NT/2K/XP\n");
}
- pid = strtoul (args, 0, 0); /* Windows pid */
-
windows_init_thread_list ();
ok = DebugActiveProcess (pid);
saw_create = 0;
static char *
windows_pid_to_exec_file (int pid)
{
- static char path[MAX_PATH + 1];
-
+ static char path[__PMAX];
#ifdef __CYGWIN__
/* Try to find exe name as symlink target of /proc/<pid>/exe */
int nchars;
char *allargs, char **in_env, int from_tty)
{
STARTUPINFO si;
- PROCESS_INFORMATION pi;
- BOOL ret;
- DWORD flags;
- char *args;
- char real_path[MAXPATHLEN];
- char *toexec;
- char shell[MAX_PATH + 1]; /* Path to shell */
- const char *sh;
#ifdef __CYGWIN__
+ cygwin_buf_t real_path[__PMAX];
+ cygwin_buf_t shell[__PMAX]; /* Path to shell */
+ const char *sh;
+ cygwin_buf_t *toexec;
+ cygwin_buf_t *cygallargs;
+ cygwin_buf_t *args;
+ size_t len;
int tty;
int ostdin, ostdout, ostderr;
#else
+ char real_path[__PMAX];
+ char shell[__PMAX]; /* Path to shell */
+ char *toexec;
+ char *args;
HANDLE tty;
#endif
+ PROCESS_INFORMATION pi;
+ BOOL ret;
+ DWORD flags = 0;
const char *inferior_io_terminal = get_inferior_io_terminal ();
if (!exec_file)
memset (&si, 0, sizeof (si));
si.cb = sizeof (si);
+ if (new_group)
+ flags |= CREATE_NEW_PROCESS_GROUP;
+
+ if (new_console)
+ flags |= CREATE_NEW_CONSOLE;
+
#ifdef __CYGWIN__
if (!useshell)
{
- flags = DEBUG_ONLY_THIS_PROCESS;
- cygwin_conv_to_win32_path (exec_file, real_path);
+ flags |= DEBUG_ONLY_THIS_PROCESS;
+ if (cygwin_conv_path (CCP_POSIX_TO_WIN_W, exec_file, real_path,
+ __PMAX * sizeof (cygwin_buf_t)) < 0)
+ error (_("Error starting executable: %d"), errno);
toexec = real_path;
+#ifdef __USEWIDE
+ len = mbstowcs (NULL, allargs, 0) + 1;
+ if (len == (size_t) -1)
+ error (_("Error starting executable: %d"), errno);
+ cygallargs = (wchar_t *) alloca (len * sizeof (wchar_t));
+ mbstowcs (cygallargs, allargs, len);
+#else
+ cygallargs = allargs;
+#endif
}
else
{
- char *newallargs;
sh = getenv ("SHELL");
if (!sh)
sh = "/bin/sh";
- cygwin_conv_to_win32_path (sh, shell);
- newallargs = alloca (sizeof (" -c 'exec '") + strlen (exec_file)
- + strlen (allargs) + 2);
- sprintf (newallargs, " -c 'exec %s %s'", exec_file, allargs);
- allargs = newallargs;
- toexec = shell;
- flags = DEBUG_PROCESS;
- }
+ if (cygwin_conv_path (CCP_POSIX_TO_WIN_W, sh, shell, __PMAX) < 0)
+ error (_("Error starting executable via shell: %d"), errno);
+#ifdef __USEWIDE
+ len = sizeof (L" -c 'exec '") + mbstowcs (NULL, exec_file, 0)
+ + mbstowcs (NULL, allargs, 0) + 2;
+ cygallargs = (wchar_t *) alloca (len * sizeof (wchar_t));
+ swprintf (cygallargs, len, L" -c 'exec %s %s'", exec_file, allargs);
#else
- toexec = exec_file;
- flags = DEBUG_ONLY_THIS_PROCESS;
+ cygallargs = (char *) alloca (sizeof (" -c 'exec '") + strlen (exec_file)
+ + strlen (allargs) + 2);
+ sprintf (cygallargs, " -c 'exec %s %s'", exec_file, allargs);
#endif
+ toexec = shell;
+ flags |= DEBUG_PROCESS;
+ }
- if (new_group)
- flags |= CREATE_NEW_PROCESS_GROUP;
-
- if (new_console)
- flags |= CREATE_NEW_CONSOLE;
-
- args = alloca (strlen (toexec) + strlen (allargs) + 2);
+#ifdef __USEWIDE
+ args = (cygwin_buf_t *) alloca ((wcslen (toexec) + wcslen (cygallargs) + 2)
+ * sizeof (wchar_t));
+ wcscpy (args, toexec);
+ wcscat (args, L" ");
+ wcscat (args, cygallargs);
+#else
+ args = (cygwin_buf_t *) alloca (strlen (toexec) + strlen (cygallargs) + 2);
strcpy (args, toexec);
strcat (args, " ");
- strcat (args, allargs);
+ strcat (args, cygallargs);
+#endif
-#ifdef __CYGWIN__
/* Prepare the environment vars for CreateProcess. */
cygwin_internal (CW_SYNC_WINENV);
dup2 (tty, 2);
}
}
+
+ windows_init_thread_list ();
+ ret = CreateProcess (0,
+ args, /* command line */
+ NULL, /* Security */
+ NULL, /* thread */
+ TRUE, /* inherit handles */
+ flags, /* start flags */
+ NULL, /* environment */
+ NULL, /* current directory */
+ &si,
+ &pi);
+ if (tty >= 0)
+ {
+ close (tty);
+ dup2 (ostdin, 0);
+ dup2 (ostdout, 1);
+ dup2 (ostderr, 2);
+ close (ostdin);
+ close (ostdout);
+ close (ostderr);
+ }
#else
+ toexec = exec_file;
+ args = alloca (strlen (toexec) + strlen (allargs) + 2);
+ strcpy (args, toexec);
+ strcat (args, " ");
+ strcat (args, allargs);
+
+ flags |= DEBUG_ONLY_THIS_PROCESS;
+
if (!inferior_io_terminal)
tty = INVALID_HANDLE_VALUE;
else
si.dwFlags |= STARTF_USESTDHANDLES;
}
}
-#endif
windows_init_thread_list ();
- ret = CreateProcess (0,
- args, /* command line */
- NULL, /* Security */
- NULL, /* thread */
- TRUE, /* inherit handles */
- flags, /* start flags */
- NULL, /* environment */
- NULL, /* current directory */
- &si,
- &pi);
-
-#ifdef __CYGWIN__
- if (tty >= 0)
- {
- close (tty);
- dup2 (ostdin, 0);
- dup2 (ostdout, 1);
- dup2 (ostderr, 2);
- close (ostdin);
- close (ostdout);
- close (ostderr);
- }
-#else
+ ret = CreateProcessA (0,
+ args, /* command line */
+ NULL, /* Security */
+ NULL, /* thread */
+ TRUE, /* inherit handles */
+ flags, /* start flags */
+ NULL, /* environment */
+ NULL, /* current directory */
+ &si,
+ &pi);
if (tty != INVALID_HANDLE_VALUE)
CloseHandle (tty);
#endif
init_windows_ops ();
+#ifdef __CYGWIN__
+ cygwin_internal (CW_SET_DOS_FILE_WARNING, 0);
+#endif
+
c = add_com ("dll-symbols", class_files, dll_symbol_command,
_("Load dll library symbols from FILE."));
set_cmd_completer (c, filename_completer);
{
return FALSE;
}
+
+#ifdef __USEWIDE
+static DWORD WINAPI
+bad_GetModuleFileNameExW (HANDLE w, HMODULE x, LPWSTR y, DWORD z)
+{
+ return 0;
+}
+#else
static DWORD WINAPI
bad_GetModuleFileNameExA (HANDLE w, HMODULE x, LPSTR y, DWORD z)
{
return 0;
}
+#endif
+
static BOOL WINAPI
bad_GetModuleInformation (HANDLE w, HMODULE x, LPMODULEINFO y, DWORD z)
{
hm = LoadLibrary ("kernel32.dll");
if (hm)
{
- dyn_DebugActiveProcessStop = (void *)
+ DebugActiveProcessStop = (void *)
GetProcAddress (hm, "DebugActiveProcessStop");
- dyn_DebugBreakProcess = (void *)
+ DebugBreakProcess = (void *)
GetProcAddress (hm, "DebugBreakProcess");
- dyn_DebugSetProcessKillOnExit = (void *)
+ DebugSetProcessKillOnExit = (void *)
GetProcAddress (hm, "DebugSetProcessKillOnExit");
}
/* Set variables to dummy versions of these processes if the function
wasn't found in kernel32.dll. */
- if (!dyn_DebugBreakProcess)
- dyn_DebugBreakProcess = bad_DebugBreakProcess;
- if (!dyn_DebugActiveProcessStop || !dyn_DebugSetProcessKillOnExit)
+ if (!DebugBreakProcess)
+ DebugBreakProcess = bad_DebugBreakProcess;
+ if (!DebugActiveProcessStop || !DebugSetProcessKillOnExit)
{
- dyn_DebugActiveProcessStop = bad_DebugActiveProcessStop;
- dyn_DebugSetProcessKillOnExit = bad_DebugSetProcessKillOnExit;
+ DebugActiveProcessStop = bad_DebugActiveProcessStop;
+ DebugSetProcessKillOnExit = bad_DebugSetProcessKillOnExit;
}
/* Load optional functions used for retrieving filename information
hm = LoadLibrary ("psapi.dll");
if (hm)
{
- dyn_EnumProcessModules = (void *)
+ EnumProcessModules = (void *)
GetProcAddress (hm, "EnumProcessModules");
- dyn_GetModuleInformation = (void *)
+ GetModuleInformation = (void *)
GetProcAddress (hm, "GetModuleInformation");
- dyn_GetModuleFileNameExA = (void *)
- GetProcAddress (hm, "GetModuleFileNameExA");
+ GetModuleFileNameEx = (void *)
+ GetProcAddress (hm, GetModuleFileNameEx_name);
}
- if (!dyn_EnumProcessModules || !dyn_GetModuleInformation || !dyn_GetModuleFileNameExA)
+ if (!EnumProcessModules || !GetModuleInformation || !GetModuleFileNameEx)
{
/* Set variables to dummy versions of these processes if the function
wasn't found in psapi.dll. */
- dyn_EnumProcessModules = bad_EnumProcessModules;
- dyn_GetModuleInformation = bad_GetModuleInformation;
- dyn_GetModuleFileNameExA = bad_GetModuleFileNameExA;
+ EnumProcessModules = bad_EnumProcessModules;
+ GetModuleInformation = bad_GetModuleInformation;
+ GetModuleFileNameEx = bad_GetModuleFileNameEx;
/* This will probably fail on Windows 9x/Me. Let the user know that we're
missing some functionality. */
warning(_("cannot automatically find executable file or library to read symbols.\nUse \"file\" or \"dll\" command to load executable/libraries directly."));
hm = LoadLibrary ("advapi32.dll");
if (hm)
{
- dyn_OpenProcessToken = (void *)
- GetProcAddress (hm, "OpenProcessToken");
- dyn_LookupPrivilegeValueA = (void *)
+ OpenProcessToken = (void *) GetProcAddress (hm, "OpenProcessToken");
+ LookupPrivilegeValueA = (void *)
GetProcAddress (hm, "LookupPrivilegeValueA");
- dyn_AdjustTokenPrivileges = (void *)
+ AdjustTokenPrivileges = (void *)
GetProcAddress (hm, "AdjustTokenPrivileges");
/* Only need to set one of these since if OpenProcessToken fails nothing
else is needed. */
- if (!dyn_OpenProcessToken || !dyn_LookupPrivilegeValueA || !dyn_AdjustTokenPrivileges)
- dyn_OpenProcessToken = bad_OpenProcessToken;
+ if (!OpenProcessToken || !LookupPrivilegeValueA || !AdjustTokenPrivileges)
+ OpenProcessToken = bad_OpenProcessToken;
}
}
projects / deliverable / binutils-gdb.git / blobdiff