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wine/dlls/kernelbase/debug.c
Louis Lenders 3d2add846c kernelbase: Return S_OK in WerSetFlags. 
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=49966
Signed-off-by: Louis Lenders <xerox.xerox2000x@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2020-10-09 16:21:33 +02:00

1716 lines
56 KiB
C
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/*
* Win32 debugger functions
*
* Copyright (C) 1999 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdio.h>
#include <string.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "winternl.h"
#include "winnls.h"
#include "wingdi.h"
#include "winuser.h"
#include "psapi.h"
#include "werapi.h"
#include "wine/exception.h"
#include "wine/server.h"
#include "wine/asm.h"
#include "kernelbase.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(seh);
WINE_DECLARE_DEBUG_CHANNEL(winedbg);
typedef INT (WINAPI *MessageBoxA_funcptr)(HWND,LPCSTR,LPCSTR,UINT);
typedef INT (WINAPI *MessageBoxW_funcptr)(HWND,LPCWSTR,LPCWSTR,UINT);
static PTOP_LEVEL_EXCEPTION_FILTER top_filter;
void *dummy = RtlUnwind; /* force importing RtlUnwind from ntdll */
/***********************************************************************
* CheckRemoteDebuggerPresent (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH CheckRemoteDebuggerPresent( HANDLE process, BOOL *present )
{
DWORD_PTR port;
if (!process || !present)
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if (!set_ntstatus( NtQueryInformationProcess( process, ProcessDebugPort, &port, sizeof(port), NULL )))
return FALSE;
*present = !!port;
return TRUE;
}
/**********************************************************************
* ContinueDebugEvent (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH ContinueDebugEvent( DWORD pid, DWORD tid, DWORD status )
{
BOOL ret;
SERVER_START_REQ( continue_debug_event )
{
req->pid = pid;
req->tid = tid;
req->status = status;
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
return ret;
}
/**********************************************************************
* DebugActiveProcess (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH DebugActiveProcess( DWORD pid )
{
HANDLE process;
BOOL ret;
SERVER_START_REQ( debug_process )
{
req->pid = pid;
req->attach = 1;
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
if (!ret) return FALSE;
if (!(process = OpenProcess( PROCESS_CREATE_THREAD, FALSE, pid ))) return FALSE;
ret = set_ntstatus( DbgUiIssueRemoteBreakin( process ));
NtClose( process );
if (!ret) DebugActiveProcessStop( pid );
return ret;
}
/**********************************************************************
* DebugActiveProcessStop (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH DebugActiveProcessStop( DWORD pid )
{
BOOL ret;
SERVER_START_REQ( debug_process )
{
req->pid = pid;
req->attach = 0;
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* DebugBreak (kernelbase.@)
*/
#if defined(__i386__) || defined(__x86_64__)
__ASM_STDCALL_FUNC( DebugBreak, 0, "jmp " __ASM_STDCALL("DbgBreakPoint", 0) )
#else
void WINAPI DebugBreak(void)
{
DbgBreakPoint();
}
#endif
/**************************************************************************
* FatalAppExitA (kernelbase.@)
*/
void WINAPI DECLSPEC_HOTPATCH FatalAppExitA( UINT action, LPCSTR str )
{
HMODULE mod = GetModuleHandleA( "user32.dll" );
MessageBoxA_funcptr pMessageBoxA = NULL;
if (mod) pMessageBoxA = (MessageBoxA_funcptr)GetProcAddress( mod, "MessageBoxA" );
if (pMessageBoxA) pMessageBoxA( 0, str, NULL, MB_SYSTEMMODAL | MB_OK );
else ERR( "%s\n", debugstr_a(str) );
RtlExitUserProcess( 1 );
}
/**************************************************************************
* FatalAppExitW (kernelbase.@)
*/
void WINAPI DECLSPEC_HOTPATCH FatalAppExitW( UINT action, LPCWSTR str )
{
HMODULE mod = GetModuleHandleW( L"user32.dll" );
MessageBoxW_funcptr pMessageBoxW = NULL;
if (mod) pMessageBoxW = (MessageBoxW_funcptr)GetProcAddress( mod, "MessageBoxW" );
if (pMessageBoxW) pMessageBoxW( 0, str, NULL, MB_SYSTEMMODAL | MB_OK );
else ERR( "%s\n", debugstr_w(str) );
RtlExitUserProcess( 1 );
}
/***********************************************************************
* IsDebuggerPresent (kernelbase.@)
*/
BOOL WINAPI IsDebuggerPresent(void)
{
return NtCurrentTeb()->Peb->BeingDebugged;
}
static LONG WINAPI debug_exception_handler( EXCEPTION_POINTERS *eptr )
{
EXCEPTION_RECORD *rec = eptr->ExceptionRecord;
return (rec->ExceptionCode == DBG_PRINTEXCEPTION_C) ? EXCEPTION_EXECUTE_HANDLER : EXCEPTION_CONTINUE_SEARCH;
}
/***********************************************************************
* OutputDebugStringA (kernelbase.@)
*/
void WINAPI DECLSPEC_HOTPATCH OutputDebugStringA( LPCSTR str )
{
static HANDLE DBWinMutex = NULL;
static BOOL mutex_inited = FALSE;
BOOL caught_by_dbg = TRUE;
if (!str) str = "";
WARN( "%s\n", debugstr_a(str) );
/* raise exception, WaitForDebugEvent() will generate a corresponding debug event */
__TRY
{
ULONG_PTR args[2];
args[0] = strlen(str) + 1;
args[1] = (ULONG_PTR)str;
RaiseException( DBG_PRINTEXCEPTION_C, 0, 2, args );
}
__EXCEPT(debug_exception_handler)
{
caught_by_dbg = FALSE;
}
__ENDTRY
if (caught_by_dbg) return;
/* send string to a system-wide monitor */
if (!mutex_inited)
{
/* first call to OutputDebugString, initialize mutex handle */
HANDLE mutex = CreateMutexExW( NULL, L"DBWinMutex", 0, SYNCHRONIZE );
if (mutex)
{
if (InterlockedCompareExchangePointer( &DBWinMutex, mutex, 0 ) != 0)
/* someone beat us here... */
CloseHandle( mutex );
}
mutex_inited = TRUE;
}
if (DBWinMutex)
{
HANDLE mapping;
mapping = OpenFileMappingW( FILE_MAP_WRITE, FALSE, L"DBWIN_BUFFER" );
if (mapping)
{
LPVOID buffer;
HANDLE eventbuffer, eventdata;
buffer = MapViewOfFile( mapping, FILE_MAP_WRITE, 0, 0, 0 );
eventbuffer = OpenEventW( SYNCHRONIZE, FALSE, L"DBWIN_BUFFER_READY" );
eventdata = OpenEventW( EVENT_MODIFY_STATE, FALSE, L"DBWIN_DATA_READY" );
if (buffer && eventbuffer && eventdata)
{
/* monitor is present, synchronize with other OutputDebugString invocations */
WaitForSingleObject( DBWinMutex, INFINITE );
/* acquire control over the buffer */
if (WaitForSingleObject( eventbuffer, 10000 ) == WAIT_OBJECT_0)
{
int str_len = strlen( str );
struct _mon_buffer_t
{
DWORD pid;
char buffer[1];
} *mon_buffer = (struct _mon_buffer_t*) buffer;
if (str_len > (4096 - sizeof(DWORD) - 1)) str_len = 4096 - sizeof(DWORD) - 1;
mon_buffer->pid = GetCurrentProcessId();
memcpy( mon_buffer->buffer, str, str_len );
mon_buffer->buffer[str_len] = 0;
/* signal data ready */
SetEvent( eventdata );
}
ReleaseMutex( DBWinMutex );
}
if (buffer) UnmapViewOfFile( buffer );
if (eventbuffer) CloseHandle( eventbuffer );
if (eventdata) CloseHandle( eventdata );
CloseHandle( mapping );
}
}
}
/***********************************************************************
* OutputDebugStringW (kernelbase.@)
*/
void WINAPI DECLSPEC_HOTPATCH OutputDebugStringW( LPCWSTR str )
{
UNICODE_STRING strW;
STRING strA;
RtlInitUnicodeString( &strW, str );
if (!RtlUnicodeStringToAnsiString( &strA, &strW, TRUE ))
{
OutputDebugStringA( strA.Buffer );
RtlFreeAnsiString( &strA );
}
}
/*******************************************************************
* RaiseException (kernelbase.@)
*/
void WINAPI DECLSPEC_HOTPATCH RaiseException( DWORD code, DWORD flags, DWORD count, const ULONG_PTR *args )
{
EXCEPTION_RECORD record;
record.ExceptionCode = code;
record.ExceptionFlags = flags & EH_NONCONTINUABLE;
record.ExceptionRecord = NULL;
record.ExceptionAddress = RaiseException;
if (count && args)
{
if (count > EXCEPTION_MAXIMUM_PARAMETERS) count = EXCEPTION_MAXIMUM_PARAMETERS;
record.NumberParameters = count;
memcpy( record.ExceptionInformation, args, count * sizeof(*args) );
}
else record.NumberParameters = 0;
RtlRaiseException( &record );
}
/***********************************************************************
* SetUnhandledExceptionFilter (kernelbase.@)
*/
LPTOP_LEVEL_EXCEPTION_FILTER WINAPI DECLSPEC_HOTPATCH SetUnhandledExceptionFilter(
LPTOP_LEVEL_EXCEPTION_FILTER filter )
{
return InterlockedExchangePointer( (void **)&top_filter, filter );
}
/******************************************************************************
* WaitForDebugEvent (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH WaitForDebugEvent( DEBUG_EVENT *event, DWORD timeout )
{
BOOL ret;
DWORD res;
int i;
for (;;)
{
HANDLE wait = 0;
debug_event_t data;
SERVER_START_REQ( wait_debug_event )
{
req->get_handle = (timeout != 0);
wine_server_set_reply( req, &data, sizeof(data) );
if (!(ret = !wine_server_call_err( req ))) goto done;
if (!wine_server_reply_size( reply )) /* timeout */
{
wait = wine_server_ptr_handle( reply->wait );
ret = FALSE;
goto done;
}
event->dwDebugEventCode = data.code;
event->dwProcessId = (DWORD)reply->pid;
event->dwThreadId = (DWORD)reply->tid;
switch (data.code)
{
case EXCEPTION_DEBUG_EVENT:
if (data.exception.exc_code == DBG_PRINTEXCEPTION_C && data.exception.nb_params >= 2)
{
event->dwDebugEventCode = OUTPUT_DEBUG_STRING_EVENT;
event->u.DebugString.lpDebugStringData = wine_server_get_ptr( data.exception.params[1] );
event->u.DebugString.fUnicode = FALSE;
event->u.DebugString.nDebugStringLength = data.exception.params[0];
break;
}
else if (data.exception.exc_code == DBG_RIPEXCEPTION && data.exception.nb_params >= 2)
{
event->dwDebugEventCode = RIP_EVENT;
event->u.RipInfo.dwError = data.exception.params[0];
event->u.RipInfo.dwType = data.exception.params[1];
break;
}
event->u.Exception.dwFirstChance = data.exception.first;
event->u.Exception.ExceptionRecord.ExceptionCode = data.exception.exc_code;
event->u.Exception.ExceptionRecord.ExceptionFlags = data.exception.flags;
event->u.Exception.ExceptionRecord.ExceptionRecord = wine_server_get_ptr( data.exception.record );
event->u.Exception.ExceptionRecord.ExceptionAddress = wine_server_get_ptr( data.exception.address );
event->u.Exception.ExceptionRecord.NumberParameters = data.exception.nb_params;
for (i = 0; i < data.exception.nb_params; i++)
event->u.Exception.ExceptionRecord.ExceptionInformation[i] = data.exception.params[i];
break;
case CREATE_THREAD_DEBUG_EVENT:
event->u.CreateThread.hThread = wine_server_ptr_handle( data.create_thread.handle );
event->u.CreateThread.lpThreadLocalBase = wine_server_get_ptr( data.create_thread.teb );
event->u.CreateThread.lpStartAddress = wine_server_get_ptr( data.create_thread.start );
break;
case CREATE_PROCESS_DEBUG_EVENT:
event->u.CreateProcessInfo.hFile = wine_server_ptr_handle( data.create_process.file );
event->u.CreateProcessInfo.hProcess = wine_server_ptr_handle( data.create_process.process );
event->u.CreateProcessInfo.hThread = wine_server_ptr_handle( data.create_process.thread );
event->u.CreateProcessInfo.lpBaseOfImage = wine_server_get_ptr( data.create_process.base );
event->u.CreateProcessInfo.dwDebugInfoFileOffset = data.create_process.dbg_offset;
event->u.CreateProcessInfo.nDebugInfoSize = data.create_process.dbg_size;
event->u.CreateProcessInfo.lpThreadLocalBase = wine_server_get_ptr( data.create_process.teb );
event->u.CreateProcessInfo.lpStartAddress = wine_server_get_ptr( data.create_process.start );
event->u.CreateProcessInfo.lpImageName = wine_server_get_ptr( data.create_process.name );
event->u.CreateProcessInfo.fUnicode = data.create_process.unicode;
break;
case EXIT_THREAD_DEBUG_EVENT:
event->u.ExitThread.dwExitCode = data.exit.exit_code;
break;
case EXIT_PROCESS_DEBUG_EVENT:
event->u.ExitProcess.dwExitCode = data.exit.exit_code;
break;
case LOAD_DLL_DEBUG_EVENT:
event->u.LoadDll.hFile = wine_server_ptr_handle( data.load_dll.handle );
event->u.LoadDll.lpBaseOfDll = wine_server_get_ptr( data.load_dll.base );
event->u.LoadDll.dwDebugInfoFileOffset = data.load_dll.dbg_offset;
event->u.LoadDll.nDebugInfoSize = data.load_dll.dbg_size;
event->u.LoadDll.lpImageName = wine_server_get_ptr( data.load_dll.name );
event->u.LoadDll.fUnicode = data.load_dll.unicode;
break;
case UNLOAD_DLL_DEBUG_EVENT:
event->u.UnloadDll.lpBaseOfDll = wine_server_get_ptr( data.unload_dll.base );
break;
}
done:
/* nothing */ ;
}
SERVER_END_REQ;
if (ret) return TRUE;
if (!wait) break;
res = WaitForSingleObject( wait, timeout );
CloseHandle( wait );
if (res != STATUS_WAIT_0) break;
}
SetLastError( ERROR_SEM_TIMEOUT );
return FALSE;
}
/*******************************************************************
* format_exception_msg
*/
static void format_exception_msg( const EXCEPTION_POINTERS *ptr, char *buffer, int size )
{
const EXCEPTION_RECORD *rec = ptr->ExceptionRecord;
int len;
switch(rec->ExceptionCode)
{
case EXCEPTION_INT_DIVIDE_BY_ZERO:
len = snprintf( buffer, size, "Unhandled division by zero" );
break;
case EXCEPTION_INT_OVERFLOW:
len = snprintf( buffer, size, "Unhandled overflow" );
break;
case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
len = snprintf( buffer, size, "Unhandled array bounds" );
break;
case EXCEPTION_ILLEGAL_INSTRUCTION:
len = snprintf( buffer, size, "Unhandled illegal instruction" );
break;
case EXCEPTION_STACK_OVERFLOW:
len = snprintf( buffer, size, "Unhandled stack overflow" );
break;
case EXCEPTION_PRIV_INSTRUCTION:
len = snprintf( buffer, size, "Unhandled privileged instruction" );
break;
case EXCEPTION_ACCESS_VIOLATION:
if (rec->NumberParameters == 2)
len = snprintf( buffer, size, "Unhandled page fault on %s access to %p",
rec->ExceptionInformation[0] == EXCEPTION_WRITE_FAULT ? "write" :
rec->ExceptionInformation[0] == EXCEPTION_EXECUTE_FAULT ? "execute" : "read",
(void *)rec->ExceptionInformation[1]);
else
len = snprintf( buffer, size, "Unhandled page fault");
break;
case EXCEPTION_DATATYPE_MISALIGNMENT:
len = snprintf( buffer, size, "Unhandled alignment" );
break;
case CONTROL_C_EXIT:
len = snprintf( buffer, size, "Unhandled ^C");
break;
case STATUS_POSSIBLE_DEADLOCK:
len = snprintf( buffer, size, "Critical section %p wait failed",
(void *)rec->ExceptionInformation[0]);
break;
case EXCEPTION_WINE_STUB:
if ((ULONG_PTR)rec->ExceptionInformation[1] >> 16)
len = snprintf( buffer, size, "Unimplemented function %s.%s called",
(char *)rec->ExceptionInformation[0], (char *)rec->ExceptionInformation[1] );
else
len = snprintf( buffer, size, "Unimplemented function %s.%ld called",
(char *)rec->ExceptionInformation[0], rec->ExceptionInformation[1] );
break;
case EXCEPTION_WINE_ASSERTION:
len = snprintf( buffer, size, "Assertion failed" );
break;
default:
len = snprintf( buffer, size, "Unhandled exception 0x%08x in thread %x",
rec->ExceptionCode, GetCurrentThreadId());
break;
}
if (len < 0 || len >= size) return;
snprintf( buffer + len, size - len, " at address %p", ptr->ExceptionRecord->ExceptionAddress );
}
/******************************************************************
* start_debugger
*
* Does the effective debugger startup according to 'format'
*/
static BOOL start_debugger( EXCEPTION_POINTERS *epointers, HANDLE event )
{
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW;
WCHAR *cmdline, *env, *p, *format = NULL;
HANDLE dbg_key;
DWORD autostart = TRUE;
PROCESS_INFORMATION info;
STARTUPINFOW startup;
BOOL ret = FALSE;
char buffer[256];
format_exception_msg( epointers, buffer, sizeof(buffer) );
MESSAGE( "wine: %s (thread %04x), starting debugger...\n", buffer, GetCurrentThreadId() );
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = &nameW;
attr.Attributes = 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
RtlInitUnicodeString( &nameW, L"\\Registry\\Machine\\Software\\Microsoft\\Windows NT\\CurrentVersion\\AeDebug" );
if (!NtOpenKey( &dbg_key, KEY_READ, &attr ))
{
KEY_VALUE_PARTIAL_INFORMATION *info;
DWORD format_size = 0;
RtlInitUnicodeString( &nameW, L"Debugger" );
if (NtQueryValueKey( dbg_key, &nameW, KeyValuePartialInformation,
NULL, 0, &format_size ) == STATUS_BUFFER_TOO_SMALL)
{
char *data = HeapAlloc( GetProcessHeap(), 0, format_size );
NtQueryValueKey( dbg_key, &nameW, KeyValuePartialInformation,
data, format_size, &format_size );
info = (KEY_VALUE_PARTIAL_INFORMATION *)data;
format = HeapAlloc( GetProcessHeap(), 0, info->DataLength + sizeof(WCHAR) );
memcpy( format, info->Data, info->DataLength );
format[info->DataLength / sizeof(WCHAR)] = 0;
if (info->Type == REG_EXPAND_SZ)
{
WCHAR *tmp;
format_size = ExpandEnvironmentStringsW( format, NULL, 0 );
tmp = HeapAlloc( GetProcessHeap(), 0, format_size * sizeof(WCHAR));
ExpandEnvironmentStringsW( format, tmp, format_size );
HeapFree( GetProcessHeap(), 0, format );
format = tmp;
}
HeapFree( GetProcessHeap(), 0, data );
}
RtlInitUnicodeString( &nameW, L"Auto" );
if (!NtQueryValueKey( dbg_key, &nameW, KeyValuePartialInformation,
buffer, sizeof(buffer)-sizeof(WCHAR), &format_size ))
{
info = (KEY_VALUE_PARTIAL_INFORMATION *)buffer;
if (info->Type == REG_DWORD) memcpy( &autostart, info->Data, sizeof(DWORD) );
else if (info->Type == REG_SZ)
{
WCHAR *str = (WCHAR *)info->Data;
str[info->DataLength/sizeof(WCHAR)] = 0;
autostart = wcstol( str, NULL, 10 );
}
}
NtClose( dbg_key );
}
if (format)
{
size_t format_size = lstrlenW( format ) + 2*20;
cmdline = HeapAlloc( GetProcessHeap(), 0, format_size * sizeof(WCHAR) );
swprintf( cmdline, format_size, format, (long)GetCurrentProcessId(), (long)HandleToLong(event) );
HeapFree( GetProcessHeap(), 0, format );
}
else
{
cmdline = HeapAlloc( GetProcessHeap(), 0, 80 * sizeof(WCHAR) );
swprintf( cmdline, 80, L"winedbg --auto %ld %ld", (long)GetCurrentProcessId(), (long)HandleToLong(event) );
}
if (!autostart)
{
HMODULE mod = GetModuleHandleA( "user32.dll" );
MessageBoxA_funcptr pMessageBoxA = NULL;
if (mod) pMessageBoxA = (void *)GetProcAddress( mod, "MessageBoxA" );
if (pMessageBoxA)
{
static const char msg[] = ".\nDo you wish to debug it?";
format_exception_msg( epointers, buffer, sizeof(buffer) - sizeof(msg) );
strcat( buffer, msg );
if (pMessageBoxA( 0, buffer, "Exception raised", MB_YESNO | MB_ICONHAND ) == IDNO)
{
TRACE( "Killing process\n" );
goto exit;
}
}
}
/* make WINEDEBUG empty in the environment */
env = GetEnvironmentStringsW();
if (!TRACE_ON(winedbg))
{
for (p = env; *p; p += lstrlenW(p) + 1)
{
if (!wcsncmp( p, L"WINEDEBUG=", 10 ))
{
WCHAR *next = p + lstrlenW(p);
WCHAR *end = next + 1;
while (*end) end += lstrlenW(end) + 1;
memmove( p + 10, next, end + 1 - next );
break;
}
}
}
TRACE( "Starting debugger %s\n", debugstr_w(cmdline) );
memset( &startup, 0, sizeof(startup) );
startup.cb = sizeof(startup);
startup.dwFlags = STARTF_USESHOWWINDOW;
startup.wShowWindow = SW_SHOWNORMAL;
ret = CreateProcessW( NULL, cmdline, NULL, NULL, TRUE, 0, env, NULL, &startup, &info );
FreeEnvironmentStringsW( env );
if (ret)
{
/* wait for debugger to come up... */
HANDLE handles[2];
CloseHandle( info.hThread );
handles[0] = event;
handles[1] = info.hProcess;
WaitForMultipleObjects( 2, handles, FALSE, INFINITE );
CloseHandle( info.hProcess );
}
else ERR( "Couldn't start debugger %s (%d)\n"
"Read the Wine Developers Guide on how to set up winedbg or another debugger\n",
debugstr_w(cmdline), GetLastError() );
exit:
HeapFree(GetProcessHeap(), 0, cmdline);
return ret;
}
/******************************************************************
* start_debugger_atomic
*
* starts the debugger in an atomic way:
* - either the debugger is not started and it is started
* - or the debugger has already been started by another thread
* - or the debugger couldn't be started
*
* returns TRUE for the two first conditions, FALSE for the last
*/
static BOOL start_debugger_atomic( EXCEPTION_POINTERS *epointers )
{
static HANDLE once;
if (once == 0)
{
OBJECT_ATTRIBUTES attr;
HANDLE event;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.Attributes = OBJ_INHERIT;
attr.ObjectName = NULL;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
/* ask for manual reset, so that once the debugger is started,
* every thread will know it */
NtCreateEvent( &event, EVENT_ALL_ACCESS, &attr, NotificationEvent, FALSE );
if (InterlockedCompareExchangePointer( &once, event, 0 ) == 0)
{
/* ok, our event has been set... we're the winning thread */
BOOL ret = start_debugger( epointers, once );
if (!ret)
{
/* so that the other threads won't be stuck */
NtSetEvent( once, NULL );
}
return ret;
}
/* someone beat us here... */
CloseHandle( event );
}
/* and wait for the winner to have actually created the debugger */
WaitForSingleObject( once, INFINITE );
/* in fact, here, we only know that someone has tried to start the debugger,
* we'll know by reposting the exception if it has actually attached
* to the current process */
return TRUE;
}
/*******************************************************************
* check_resource_write
*
* Check if the exception is a write attempt to the resource data.
* If yes, we unprotect the resources to let broken apps continue
* (Windows does this too).
*/
static BOOL check_resource_write( void *addr )
{
DWORD old_prot;
void *rsrc;
DWORD size;
MEMORY_BASIC_INFORMATION info;
if (!VirtualQuery( addr, &info, sizeof(info) )) return FALSE;
if (info.State == MEM_FREE || !(info.Type & MEM_IMAGE)) return FALSE;
if (!(rsrc = RtlImageDirectoryEntryToData( info.AllocationBase, TRUE,
IMAGE_DIRECTORY_ENTRY_RESOURCE, &size )))
return FALSE;
if (addr < rsrc || (char *)addr >= (char *)rsrc + size) return FALSE;
TRACE( "Broken app is writing to the resource data, enabling work-around\n" );
VirtualProtect( rsrc, size, PAGE_READWRITE, &old_prot );
return TRUE;
}
/*******************************************************************
* UnhandledExceptionFilter (kernelbase.@)
*/
LONG WINAPI UnhandledExceptionFilter( EXCEPTION_POINTERS *epointers )
{
const EXCEPTION_RECORD *rec = epointers->ExceptionRecord;
if (rec->ExceptionCode == EXCEPTION_ACCESS_VIOLATION && rec->NumberParameters >= 2)
{
switch (rec->ExceptionInformation[0])
{
case EXCEPTION_WRITE_FAULT:
if (check_resource_write( (void *)rec->ExceptionInformation[1] ))
return EXCEPTION_CONTINUE_EXECUTION;
break;
}
}
if (!NtCurrentTeb()->Peb->BeingDebugged)
{
if (rec->ExceptionCode == CONTROL_C_EXIT)
{
/* do not launch the debugger on ^C, simply terminate the process */
TerminateProcess( GetCurrentProcess(), 1 );
}
if (top_filter)
{
LONG ret = top_filter( epointers );
if (ret != EXCEPTION_CONTINUE_SEARCH) return ret;
}
/* FIXME: Should check the current error mode */
if (!start_debugger_atomic( epointers ) || !NtCurrentTeb()->Peb->BeingDebugged)
return EXCEPTION_EXECUTE_HANDLER;
}
return EXCEPTION_CONTINUE_SEARCH;
}
/***********************************************************************
* WerGetFlags (kernelbase.@)
*/
HRESULT WINAPI /* DECLSPEC_HOTPATCH */ WerGetFlags( HANDLE process, DWORD *flags )
{
FIXME( "(%p, %p) stub\n", process, flags );
return E_NOTIMPL;
}
/***********************************************************************
* WerRegisterFile (kernelbase.@)
*/
HRESULT WINAPI /* DECLSPEC_HOTPATCH */ WerRegisterFile( const WCHAR *file, WER_REGISTER_FILE_TYPE type,
DWORD flags )
{
FIXME( "(%s, %d, %d) stub\n", debugstr_w(file), type, flags );
return E_NOTIMPL;
}
/***********************************************************************
* WerRegisterMemoryBlock (kernelbase.@)
*/
HRESULT WINAPI /* DECLSPEC_HOTPATCH */ WerRegisterMemoryBlock( void *block, DWORD size )
{
FIXME( "(%p %d) stub\n", block, size );
return E_NOTIMPL;
}
/***********************************************************************
* WerRegisterRuntimeExceptionModule (kernelbase.@)
*/
HRESULT WINAPI /* DECLSPEC_HOTPATCH */ WerRegisterRuntimeExceptionModule( const WCHAR *dll, void *context )
{
FIXME( "(%s, %p) stub\n", debugstr_w(dll), context );
return S_OK;
}
/***********************************************************************
* WerSetFlags (kernelbase.@)
*/
HRESULT WINAPI /* DECLSPEC_HOTPATCH */ WerSetFlags( DWORD flags )
{
FIXME("(%d) stub\n", flags);
return S_OK;
}
/***********************************************************************
* WerUnregisterFile (kernelbase.@)
*/
HRESULT WINAPI /* DECLSPEC_HOTPATCH */ WerUnregisterFile( const WCHAR *file )
{
FIXME( "(%s) stub\n", debugstr_w(file) );
return E_NOTIMPL;
}
/***********************************************************************
* WerUnregisterMemoryBlock (kernelbase.@)
*/
HRESULT WINAPI /* DECLSPEC_HOTPATCH */ WerUnregisterMemoryBlock( void *block )
{
FIXME( "(%p) stub\n", block );
return E_NOTIMPL;
}
/***********************************************************************
* WerUnregisterRuntimeExceptionModule (kernelbase.@)
*/
HRESULT WINAPI /* DECLSPEC_HOTPATCH */ WerUnregisterRuntimeExceptionModule( const WCHAR *dll, void *context )
{
FIXME( "(%s, %p) stub\n", debugstr_w(dll), context );
return S_OK;
}
/***********************************************************************
* psapi functions
***********************************************************************/
typedef struct _PEB32
{
BOOLEAN InheritedAddressSpace;
BOOLEAN ReadImageFileExecOptions;
BOOLEAN BeingDebugged;
BOOLEAN SpareBool;
DWORD Mutant;
DWORD ImageBaseAddress;
DWORD LdrData;
} PEB32;
typedef struct _LIST_ENTRY32
{
DWORD Flink;
DWORD Blink;
} LIST_ENTRY32;
typedef struct _PEB_LDR_DATA32
{
ULONG Length;
BOOLEAN Initialized;
DWORD SsHandle;
LIST_ENTRY32 InLoadOrderModuleList;
} PEB_LDR_DATA32;
typedef struct _UNICODE_STRING32
{
USHORT Length;
USHORT MaximumLength;
DWORD Buffer;
} UNICODE_STRING32;
typedef struct _LDR_DATA_TABLE_ENTRY32
{
LIST_ENTRY32 InLoadOrderModuleList;
LIST_ENTRY32 InMemoryOrderModuleList;
LIST_ENTRY32 InInitializationOrderModuleList;
DWORD BaseAddress;
DWORD EntryPoint;
ULONG SizeOfImage;
UNICODE_STRING32 FullDllName;
UNICODE_STRING32 BaseDllName;
} LDR_DATA_TABLE_ENTRY32;
struct module_iterator
{
HANDLE process;
LIST_ENTRY *head;
LIST_ENTRY *current;
BOOL wow64;
LDR_DATA_TABLE_ENTRY ldr_module;
LDR_DATA_TABLE_ENTRY32 ldr_module32;
};
static BOOL init_module_iterator( struct module_iterator *iter, HANDLE process )
{
PROCESS_BASIC_INFORMATION pbi;
PPEB_LDR_DATA ldr_data;
if (!IsWow64Process( process, &iter->wow64 )) return FALSE;
/* get address of PEB */
if (!set_ntstatus( NtQueryInformationProcess( process, ProcessBasicInformation,
&pbi, sizeof(pbi), NULL )))
return FALSE;
if (is_win64 && iter->wow64)
{
PEB_LDR_DATA32 *ldr_data32_ptr;
DWORD ldr_data32, first_module;
PEB32 *peb32;
peb32 = (PEB32 *)(DWORD_PTR)pbi.PebBaseAddress;
if (!ReadProcessMemory( process, &peb32->LdrData, &ldr_data32, sizeof(ldr_data32), NULL ))
return FALSE;
ldr_data32_ptr = (PEB_LDR_DATA32 *)(DWORD_PTR) ldr_data32;
if (!ReadProcessMemory( process, &ldr_data32_ptr->InLoadOrderModuleList.Flink,
&first_module, sizeof(first_module), NULL ))
return FALSE;
iter->head = (LIST_ENTRY *)&ldr_data32_ptr->InLoadOrderModuleList;
iter->current = (LIST_ENTRY *)(DWORD_PTR)first_module;
iter->process = process;
return TRUE;
}
/* read address of LdrData from PEB */
if (!ReadProcessMemory( process, &pbi.PebBaseAddress->LdrData, &ldr_data, sizeof(ldr_data), NULL ))
return FALSE;
/* read address of first module from LdrData */
if (!ReadProcessMemory( process, &ldr_data->InLoadOrderModuleList.Flink,
&iter->current, sizeof(iter->current), NULL ))
return FALSE;
iter->head = &ldr_data->InLoadOrderModuleList;
iter->process = process;
return TRUE;
}
static int module_iterator_next( struct module_iterator *iter )
{
if (iter->current == iter->head) return 0;
if (is_win64 && iter->wow64)
{
LIST_ENTRY32 *entry32 = (LIST_ENTRY32 *)iter->current;
if (!ReadProcessMemory( iter->process,
CONTAINING_RECORD(entry32, LDR_DATA_TABLE_ENTRY32, InLoadOrderModuleList),
&iter->ldr_module32, sizeof(iter->ldr_module32), NULL ))
return -1;
iter->current = (LIST_ENTRY *)(DWORD_PTR)iter->ldr_module32.InLoadOrderModuleList.Flink;
return 1;
}
if (!ReadProcessMemory( iter->process,
CONTAINING_RECORD(iter->current, LDR_DATA_TABLE_ENTRY, InLoadOrderLinks),
&iter->ldr_module, sizeof(iter->ldr_module), NULL ))
return -1;
iter->current = iter->ldr_module.InLoadOrderLinks.Flink;
return 1;
}
static BOOL get_ldr_module( HANDLE process, HMODULE module, LDR_DATA_TABLE_ENTRY *ldr_module )
{
struct module_iterator iter;
INT ret;
if (!init_module_iterator( &iter, process )) return FALSE;
while ((ret = module_iterator_next( &iter )) > 0)
/* When hModule is NULL we return the process image - which will be
* the first module since our iterator uses InLoadOrderModuleList */
if (!module || module == iter.ldr_module.DllBase)
{
*ldr_module = iter.ldr_module;
return TRUE;
}
if (ret == 0) SetLastError( ERROR_INVALID_HANDLE );
return FALSE;
}
static BOOL get_ldr_module32( HANDLE process, HMODULE module, LDR_DATA_TABLE_ENTRY32 *ldr_module )
{
struct module_iterator iter;
INT ret;
if (!init_module_iterator( &iter, process )) return FALSE;
while ((ret = module_iterator_next( &iter )) > 0)
/* When hModule is NULL we return the process image - which will be
* the first module since our iterator uses InLoadOrderModuleList */
if (!module || (DWORD)(DWORD_PTR)module == iter.ldr_module32.BaseAddress)
{
*ldr_module = iter.ldr_module32;
return TRUE;
}
if (ret == 0) SetLastError( ERROR_INVALID_HANDLE );
return FALSE;
}
/***********************************************************************
* K32EmptyWorkingSet (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH K32EmptyWorkingSet( HANDLE process )
{
return SetProcessWorkingSetSizeEx( process, (SIZE_T)-1, (SIZE_T)-1, 0 );
}
/***********************************************************************
* K32EnumDeviceDrivers (kernelbase.@)
*/
BOOL WINAPI K32EnumDeviceDrivers( void **image_base, DWORD count, DWORD *needed )
{
FIXME( "(%p, %d, %p): stub\n", image_base, count, needed );
if (needed) *needed = 0;
return TRUE;
}
/***********************************************************************
* K32EnumPageFilesA (kernelbase.@)
*/
BOOL WINAPI /* DECLSPEC_HOTPATCH */ K32EnumPageFilesA( PENUM_PAGE_FILE_CALLBACKA callback, void *context )
{
FIXME( "(%p, %p) stub\n", callback, context );
return FALSE;
}
/***********************************************************************
* K32EnumPageFilesW (kernelbase.@)
*/
BOOL WINAPI /* DECLSPEC_HOTPATCH */ K32EnumPageFilesW( PENUM_PAGE_FILE_CALLBACKW callback, void *context )
{
FIXME( "(%p, %p) stub\n", callback, context );
return FALSE;
}
/***********************************************************************
* K32EnumProcessModules (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH K32EnumProcessModules( HANDLE process, HMODULE *module,
DWORD count, DWORD *needed )
{
struct module_iterator iter;
DWORD size = 0;
INT ret;
if (process == GetCurrentProcess())
{
PPEB_LDR_DATA ldr_data = NtCurrentTeb()->Peb->LdrData;
PLIST_ENTRY head = &ldr_data->InLoadOrderModuleList;
PLIST_ENTRY entry = head->Flink;
if (count && !module)
{
SetLastError( ERROR_NOACCESS );
return FALSE;
}
while (entry != head)
{
LDR_DATA_TABLE_ENTRY *ldr = CONTAINING_RECORD( entry, LDR_DATA_TABLE_ENTRY, InLoadOrderLinks );
if (count >= sizeof(HMODULE))
{
*module++ = ldr->DllBase;
count -= sizeof(HMODULE);
}
size += sizeof(HMODULE);
entry = entry->Flink;
}
if (!needed)
{
SetLastError( ERROR_NOACCESS );
return FALSE;
}
*needed = size;
return TRUE;
}
if (!init_module_iterator( &iter, process )) return FALSE;
if (count && !module)
{
SetLastError( ERROR_NOACCESS );
return FALSE;
}
while ((ret = module_iterator_next( &iter )) > 0)
{
if (count >= sizeof(HMODULE))
{
if (sizeof(void *) == 8 && iter.wow64)
*module++ = (HMODULE) (DWORD_PTR)iter.ldr_module32.BaseAddress;
else
*module++ = iter.ldr_module.DllBase;
count -= sizeof(HMODULE);
}
size += sizeof(HMODULE);
}
if (!needed)
{
SetLastError( ERROR_NOACCESS );
return FALSE;
}
*needed = size;
return ret == 0;
}
/***********************************************************************
* K32EnumProcessModulesEx (kernelbase.@)
*/
BOOL WINAPI K32EnumProcessModulesEx( HANDLE process, HMODULE *module, DWORD count,
DWORD *needed, DWORD filter )
{
FIXME( "(%p, %p, %d, %p, %d) semi-stub\n", process, module, count, needed, filter );
return K32EnumProcessModules( process, module, count, needed );
}
/***********************************************************************
* K32EnumProcesses (kernelbase.@)
*/
BOOL WINAPI K32EnumProcesses( DWORD *ids, DWORD count, DWORD *used )
{
SYSTEM_PROCESS_INFORMATION *spi;
ULONG size = 0x4000;
void *buf = NULL;
NTSTATUS status;
do
{
size *= 2;
HeapFree( GetProcessHeap(), 0, buf );
if (!(buf = HeapAlloc( GetProcessHeap(), 0, size ))) return FALSE;
status = NtQuerySystemInformation( SystemProcessInformation, buf, size, NULL );
} while (status == STATUS_INFO_LENGTH_MISMATCH);
if (!set_ntstatus( status ))
{
HeapFree( GetProcessHeap(), 0, buf );
return FALSE;
}
spi = buf;
for (*used = 0; count >= sizeof(DWORD); count -= sizeof(DWORD))
{
*ids++ = HandleToUlong( spi->UniqueProcessId );
*used += sizeof(DWORD);
if (spi->NextEntryOffset == 0) break;
spi = (SYSTEM_PROCESS_INFORMATION *)(((PCHAR)spi) + spi->NextEntryOffset);
}
HeapFree( GetProcessHeap(), 0, buf );
return TRUE;
}
/***********************************************************************
* K32GetDeviceDriverBaseNameA (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH K32GetDeviceDriverBaseNameA( void *image_base, char *name, DWORD size )
{
FIXME( "(%p, %p, %d): stub\n", image_base, name, size );
if (name && size) name[0] = 0;
return 0;
}
/***********************************************************************
* K32GetDeviceDriverBaseNameW (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH K32GetDeviceDriverBaseNameW( void *image_base, WCHAR *name, DWORD size )
{
FIXME( "(%p, %p, %d): stub\n", image_base, name, size );
if (name && size) name[0] = 0;
return 0;
}
/***********************************************************************
* K32GetDeviceDriverFileNameA (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH K32GetDeviceDriverFileNameA( void *image_base, char *name, DWORD size )
{
FIXME( "(%p, %p, %d): stub\n", image_base, name, size );
if (name && size) name[0] = 0;
return 0;
}
/***********************************************************************
* K32GetDeviceDriverFileNameW (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH K32GetDeviceDriverFileNameW( void *image_base, WCHAR *name, DWORD size )
{
FIXME( "(%p, %p, %d): stub\n", image_base, name, size );
if (name && size) name[0] = 0;
return 0;
}
/***********************************************************************
* K32GetMappedFileNameA (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH K32GetMappedFileNameA( HANDLE process, void *addr, char *name, DWORD size )
{
FIXME( "(%p, %p, %p, %d): stub\n", process, addr, name, size );
if (name && size) name[0] = 0;
return 0;
}
/***********************************************************************
* K32GetMappedFileNameW (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH K32GetMappedFileNameW( HANDLE process, void *addr, WCHAR *name, DWORD size )
{
FIXME( "(%p, %p, %p, %d): stub\n", process, addr, name, size );
if (name && size) name[0] = 0;
return 0;
}
/***********************************************************************
* K32GetModuleBaseNameA (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH K32GetModuleBaseNameA( HANDLE process, HMODULE module,
char *name, DWORD size )
{
WCHAR *name_w;
DWORD len, ret = 0;
if (!name || !size)
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
if (!(name_w = HeapAlloc( GetProcessHeap(), 0, sizeof(WCHAR) * size ))) return 0;
len = K32GetModuleBaseNameW( process, module, name_w, size );
TRACE( "%d, %s\n", len, debugstr_w(name_w) );
if (len)
{
ret = WideCharToMultiByte( CP_ACP, 0, name_w, len, name, size, NULL, NULL );
if (ret < size) name[ret] = 0;
}
HeapFree( GetProcessHeap(), 0, name_w );
return ret;
}
/***********************************************************************
* K32GetModuleBaseNameW (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH K32GetModuleBaseNameW( HANDLE process, HMODULE module,
WCHAR *name, DWORD size )
{
BOOL wow64;
if (!IsWow64Process( process, &wow64 )) return 0;
if (is_win64 && wow64)
{
LDR_DATA_TABLE_ENTRY32 ldr_module32;
if (!get_ldr_module32(process, module, &ldr_module32)) return 0;
size = min( ldr_module32.BaseDllName.Length / sizeof(WCHAR), size );
if (!ReadProcessMemory( process, (void *)(DWORD_PTR)ldr_module32.BaseDllName.Buffer,
name, size * sizeof(WCHAR), NULL ))
return 0;
}
else
{
LDR_DATA_TABLE_ENTRY ldr_module;
if (!get_ldr_module( process, module, &ldr_module )) return 0;
size = min( ldr_module.BaseDllName.Length / sizeof(WCHAR), size );
if (!ReadProcessMemory( process, ldr_module.BaseDllName.Buffer,
name, size * sizeof(WCHAR), NULL ))
return 0;
}
name[size] = 0;
return size;
}
/***********************************************************************
* K32GetModuleFileNameExA (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH K32GetModuleFileNameExA( HANDLE process, HMODULE module,
char *name, DWORD size )
{
WCHAR *ptr;
DWORD len;
TRACE( "(process=%p, module=%p, %p, %d)\n", process, module, name, size );
if (!name || !size)
{
SetLastError( ERROR_INVALID_PARAMETER );
return 0;
}
if (process == GetCurrentProcess())
{
len = GetModuleFileNameA( module, name, size );
name[size - 1] = '\0';
return len;
}
if (!(ptr = HeapAlloc( GetProcessHeap(), 0, size * sizeof(WCHAR) ))) return 0;
len = K32GetModuleFileNameExW( process, module, ptr, size );
if (!len)
{
name[0] = 0;
}
else
{
if (!WideCharToMultiByte( CP_ACP, 0, ptr, -1, name, size, NULL, NULL ))
{
name[size - 1] = 0;
len = size;
}
else if (len < size) len = strlen( name );
}
HeapFree( GetProcessHeap(), 0, ptr );
return len;
}
/***********************************************************************
* K32GetModuleFileNameExW (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH K32GetModuleFileNameExW( HANDLE process, HMODULE module,
WCHAR *name, DWORD size )
{
BOOL wow64;
DWORD len;
if (!size) return 0;
if (!IsWow64Process( process, &wow64 )) return 0;
if (is_win64 && wow64)
{
LDR_DATA_TABLE_ENTRY32 ldr_module32;
if (!get_ldr_module32( process, module, &ldr_module32 )) return 0;
len = ldr_module32.FullDllName.Length / sizeof(WCHAR);
if (!ReadProcessMemory( process, (void *)(DWORD_PTR)ldr_module32.FullDllName.Buffer,
name, min( len, size ) * sizeof(WCHAR), NULL ))
return 0;
}
else
{
LDR_DATA_TABLE_ENTRY ldr_module;
if (!get_ldr_module(process, module, &ldr_module)) return 0;
len = ldr_module.FullDllName.Length / sizeof(WCHAR);
if (!ReadProcessMemory( process, ldr_module.FullDllName.Buffer,
name, min( len, size ) * sizeof(WCHAR), NULL ))
return 0;
}
if (len < size)
{
name[len] = 0;
return len;
}
else
{
name[size - 1] = 0;
return size;
}
}
/***********************************************************************
* K32GetModuleInformation (kernelbase.@)
*/
BOOL WINAPI K32GetModuleInformation( HANDLE process, HMODULE module, MODULEINFO *modinfo, DWORD count )
{
BOOL wow64;
if (count < sizeof(MODULEINFO))
{
SetLastError( ERROR_INSUFFICIENT_BUFFER );
return FALSE;
}
if (!IsWow64Process( process, &wow64 )) return FALSE;
if (is_win64 && wow64)
{
LDR_DATA_TABLE_ENTRY32 ldr_module32;
if (!get_ldr_module32( process, module, &ldr_module32 )) return FALSE;
modinfo->lpBaseOfDll = (void *)(DWORD_PTR)ldr_module32.BaseAddress;
modinfo->SizeOfImage = ldr_module32.SizeOfImage;
modinfo->EntryPoint = (void *)(DWORD_PTR)ldr_module32.EntryPoint;
}
else
{
LDR_DATA_TABLE_ENTRY ldr_module;
if (!get_ldr_module( process, module, &ldr_module )) return FALSE;
modinfo->lpBaseOfDll = ldr_module.DllBase;
modinfo->SizeOfImage = ldr_module.SizeOfImage;
modinfo->EntryPoint = ldr_module.EntryPoint;
}
return TRUE;
}
/***********************************************************************
* K32GetPerformanceInfo (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH K32GetPerformanceInfo( PPERFORMANCE_INFORMATION info, DWORD size )
{
SYSTEM_PERFORMANCE_INFORMATION perf;
SYSTEM_BASIC_INFORMATION basic;
SYSTEM_PROCESS_INFORMATION *process, *spi;
DWORD info_size;
NTSTATUS status;
TRACE( "(%p, %d)\n", info, size );
if (size < sizeof(*info))
{
SetLastError( ERROR_BAD_LENGTH );
return FALSE;
}
status = NtQuerySystemInformation( SystemPerformanceInformation, &perf, sizeof(perf), NULL );
if (!set_ntstatus( status )) return FALSE;
status = NtQuerySystemInformation( SystemBasicInformation, &basic, sizeof(basic), NULL );
if (!set_ntstatus( status )) return FALSE;
info->cb = sizeof(*info);
info->CommitTotal = perf.TotalCommittedPages;
info->CommitLimit = perf.TotalCommitLimit;
info->CommitPeak = perf.PeakCommitment;
info->PhysicalTotal = basic.MmNumberOfPhysicalPages;
info->PhysicalAvailable = perf.AvailablePages;
info->SystemCache = 0;
info->KernelTotal = perf.PagedPoolUsage + perf.NonPagedPoolUsage;
info->KernelPaged = perf.PagedPoolUsage;
info->KernelNonpaged = perf.NonPagedPoolUsage;
info->PageSize = basic.PageSize;
/* fields from SYSTEM_PROCESS_INFORMATION */
NtQuerySystemInformation( SystemProcessInformation, NULL, 0, &info_size );
for (;;)
{
process = HeapAlloc( GetProcessHeap(), 0, info_size );
if (!process)
{
SetLastError( ERROR_OUTOFMEMORY );
return FALSE;
}
status = NtQuerySystemInformation( SystemProcessInformation, process, info_size, &info_size );
if (!status) break;
HeapFree( GetProcessHeap(), 0, process );
if (status != STATUS_INFO_LENGTH_MISMATCH)
{
SetLastError( RtlNtStatusToDosError( status ) );
return FALSE;
}
}
info->HandleCount = info->ProcessCount = info->ThreadCount = 0;
spi = process;
for (;;)
{
info->ProcessCount++;
info->HandleCount += spi->HandleCount;
info->ThreadCount += spi->dwThreadCount;
if (spi->NextEntryOffset == 0) break;
spi = (SYSTEM_PROCESS_INFORMATION *)((char *)spi + spi->NextEntryOffset);
}
HeapFree( GetProcessHeap(), 0, process );
return TRUE;
}
/***********************************************************************
* K32GetProcessImageFileNameA (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH K32GetProcessImageFileNameA( HANDLE process, char *file, DWORD size )
{
return QueryFullProcessImageNameA( process, PROCESS_NAME_NATIVE, file, &size ) ? size : 0;
}
/***********************************************************************
* K32GetProcessImageFileNameW (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH K32GetProcessImageFileNameW( HANDLE process, WCHAR *file, DWORD size )
{
return QueryFullProcessImageNameW( process, PROCESS_NAME_NATIVE, file, &size ) ? size : 0;
}
/***********************************************************************
* K32GetProcessMemoryInfo (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH K32GetProcessMemoryInfo( HANDLE process, PROCESS_MEMORY_COUNTERS *pmc,
DWORD count )
{
VM_COUNTERS vmc;
if (count < sizeof(PROCESS_MEMORY_COUNTERS))
{
SetLastError( ERROR_INSUFFICIENT_BUFFER );
return FALSE;
}
if (!set_ntstatus( NtQueryInformationProcess( process, ProcessVmCounters, &vmc, sizeof(vmc), NULL )))
return FALSE;
pmc->cb = sizeof(PROCESS_MEMORY_COUNTERS);
pmc->PageFaultCount = vmc.PageFaultCount;
pmc->PeakWorkingSetSize = vmc.PeakWorkingSetSize;
pmc->WorkingSetSize = vmc.WorkingSetSize;
pmc->QuotaPeakPagedPoolUsage = vmc.QuotaPeakPagedPoolUsage;
pmc->QuotaPagedPoolUsage = vmc.QuotaPagedPoolUsage;
pmc->QuotaPeakNonPagedPoolUsage = vmc.QuotaPeakNonPagedPoolUsage;
pmc->QuotaNonPagedPoolUsage = vmc.QuotaNonPagedPoolUsage;
pmc->PagefileUsage = vmc.PagefileUsage;
pmc->PeakPagefileUsage = vmc.PeakPagefileUsage;
return TRUE;
}
/***********************************************************************
* K32GetWsChanges (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH K32GetWsChanges( HANDLE process, PSAPI_WS_WATCH_INFORMATION *info, DWORD size )
{
TRACE( "(%p, %p, %d)\n", process, info, size );
return set_ntstatus( NtQueryInformationProcess( process, ProcessWorkingSetWatch, info, size, NULL ));
}
/***********************************************************************
* K32GetWsChangesEx (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH K32GetWsChangesEx( HANDLE process, PSAPI_WS_WATCH_INFORMATION_EX *info,
DWORD *size )
{
FIXME( "(%p, %p, %p)\n", process, info, size );
SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
return FALSE;
}
/***********************************************************************
* K32InitializeProcessForWsWatch (kernelbase.@)
*/
BOOL WINAPI /* DECLSPEC_HOTPATCH */ K32InitializeProcessForWsWatch( HANDLE process )
{
FIXME( "(process=%p): stub\n", process );
return TRUE;
}
/***********************************************************************
* K32QueryWorkingSet (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH K32QueryWorkingSet( HANDLE process, void *buffer, DWORD size )
{
TRACE( "(%p, %p, %d)\n", process, buffer, size );
return set_ntstatus( NtQueryVirtualMemory( process, NULL, MemoryWorkingSetList, buffer, size, NULL ));
}
/***********************************************************************
* K32QueryWorkingSetEx (kernelbase.@)
*/
BOOL WINAPI K32QueryWorkingSetEx( HANDLE process, void *buffer, DWORD size )
{
TRACE( "(%p, %p, %d)\n", process, buffer, size );
return set_ntstatus( NtQueryVirtualMemory( process, NULL, MemoryWorkingSetExInformation,
buffer, size, NULL ));
}
/******************************************************************
* QueryFullProcessImageNameA (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH QueryFullProcessImageNameA( HANDLE process, DWORD flags,
char *name, DWORD *size )
{
BOOL ret;
DWORD sizeW = *size;
WCHAR *nameW = HeapAlloc( GetProcessHeap(), 0, *size * sizeof(WCHAR) );
ret = QueryFullProcessImageNameW( process, flags, nameW, &sizeW );
if (ret) ret = (WideCharToMultiByte( CP_ACP, 0, nameW, -1, name, *size, NULL, NULL) > 0);
if (ret) *size = strlen( name );
HeapFree( GetProcessHeap(), 0, nameW );
return ret;
}
/******************************************************************
* QueryFullProcessImageNameW (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH QueryFullProcessImageNameW( HANDLE process, DWORD flags,
WCHAR *name, DWORD *size )
{
BYTE buffer[sizeof(UNICODE_STRING) + MAX_PATH*sizeof(WCHAR)]; /* this buffer should be enough */
UNICODE_STRING *dynamic_buffer = NULL;
UNICODE_STRING *result = NULL;
NTSTATUS status;
DWORD needed;
/* FIXME: On Windows, ProcessImageFileName return an NT path. In Wine it
* is a DOS path and we depend on this. */
status = NtQueryInformationProcess( process, ProcessImageFileName, buffer,
sizeof(buffer) - sizeof(WCHAR), &needed );
if (status == STATUS_INFO_LENGTH_MISMATCH)
{
dynamic_buffer = HeapAlloc( GetProcessHeap(), 0, needed + sizeof(WCHAR) );
status = NtQueryInformationProcess( process, ProcessImageFileName, dynamic_buffer,
needed, &needed );
result = dynamic_buffer;
}
else
result = (UNICODE_STRING *)buffer;
if (status) goto cleanup;
if (flags & PROCESS_NAME_NATIVE)
{
WCHAR drive[3];
WCHAR device[1024];
DWORD ntlen, devlen;
if (result->Buffer[1] != ':' || result->Buffer[0] < 'A' || result->Buffer[0] > 'Z')
{
/* We cannot convert it to an NT device path so fail */
status = STATUS_NO_SUCH_DEVICE;
goto cleanup;
}
/* Find this drive's NT device path */
drive[0] = result->Buffer[0];
drive[1] = ':';
drive[2] = 0;
if (!QueryDosDeviceW(drive, device, ARRAY_SIZE(device)))
{
status = STATUS_NO_SUCH_DEVICE;
goto cleanup;
}
devlen = lstrlenW(device);
ntlen = devlen + (result->Length/sizeof(WCHAR) - 2);
if (ntlen + 1 > *size)
{
status = STATUS_BUFFER_TOO_SMALL;
goto cleanup;
}
*size = ntlen;
memcpy( name, device, devlen * sizeof(*device) );
memcpy( name + devlen, result->Buffer + 2, result->Length - 2 * sizeof(WCHAR) );
name[*size] = 0;
TRACE( "NT path: %s\n", debugstr_w(name) );
}
else
{
if (result->Length/sizeof(WCHAR) + 1 > *size)
{
status = STATUS_BUFFER_TOO_SMALL;
goto cleanup;
}
*size = result->Length/sizeof(WCHAR);
memcpy( name, result->Buffer, result->Length );
name[*size] = 0;
}
cleanup:
HeapFree( GetProcessHeap(), 0, dynamic_buffer );
return set_ntstatus( status );
}
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