Sweden-Number/dlls/kernel32/tests/debugger.c

1484 lines
54 KiB
C

/*
* Unit tests for the debugger facility
*
* Copyright (c) 2007 Francois Gouget for CodeWeavers
*
* 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 <assert.h>
#include <windows.h>
#include <winternl.h>
#include <winreg.h>
#include "wine/test.h"
#include "wine/heap.h"
#include "wine/rbtree.h"
#ifndef STATUS_DEBUGGER_INACTIVE
#define STATUS_DEBUGGER_INACTIVE ((NTSTATUS) 0xC0000354)
#endif
#define child_ok (winetest_set_location(__FILE__, __LINE__), 0) ? (void)0 : test_child_ok
static int myARGC;
static char** myARGV;
static BOOL (WINAPI *pCheckRemoteDebuggerPresent)(HANDLE,PBOOL);
static void (WINAPI *pDbgBreakPoint)(void);
static LONG child_failures;
static HMODULE ntdll;
static void WINAPIV __WINE_PRINTF_ATTR(2, 3) test_child_ok(int condition, const char *msg, ...)
{
__ms_va_list valist;
__ms_va_start(valist, msg);
winetest_vok(condition, msg, valist);
__ms_va_end(valist);
if (!condition) ++child_failures;
}
/* Copied from the process test */
static void get_file_name(char* buf)
{
char path[MAX_PATH];
buf[0] = '\0';
GetTempPathA(sizeof(path), path);
GetTempFileNameA(path, "wt", 0, buf);
}
typedef struct tag_reg_save_value
{
const char *name;
DWORD type;
BYTE *data;
DWORD size;
} reg_save_value;
static DWORD save_value(HKEY hkey, const char *value, reg_save_value *saved)
{
DWORD ret;
saved->name=value;
saved->data=0;
saved->size=0;
ret=RegQueryValueExA(hkey, value, NULL, &saved->type, NULL, &saved->size);
if (ret == ERROR_SUCCESS)
{
saved->data=HeapAlloc(GetProcessHeap(), 0, saved->size);
RegQueryValueExA(hkey, value, NULL, &saved->type, saved->data, &saved->size);
}
return ret;
}
static void restore_value(HKEY hkey, reg_save_value *saved)
{
if (saved->data)
{
RegSetValueExA(hkey, saved->name, 0, saved->type, saved->data, saved->size);
HeapFree(GetProcessHeap(), 0, saved->data);
}
else
RegDeleteValueA(hkey, saved->name);
}
static void get_events(const char* name, HANDLE *start_event, HANDLE *done_event)
{
const char* basename;
char* event_name;
basename=strrchr(name, '\\');
basename=(basename ? basename+1 : name);
event_name=HeapAlloc(GetProcessHeap(), 0, 6+strlen(basename)+1);
sprintf(event_name, "start_%s", basename);
*start_event=CreateEventA(NULL, 0,0, event_name);
sprintf(event_name, "done_%s", basename);
*done_event=CreateEventA(NULL, 0,0, event_name);
HeapFree(GetProcessHeap(), 0, event_name);
}
static void save_blackbox(const char* logfile, void* blackbox, int size, const char *dbgtrace)
{
HANDLE hFile;
DWORD written;
hFile=CreateFileA(logfile, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0);
if (hFile == INVALID_HANDLE_VALUE)
return;
WriteFile(hFile, blackbox, size, &written, NULL);
if (dbgtrace && dbgtrace[0])
WriteFile(hFile, dbgtrace, strlen(dbgtrace), &written, NULL);
CloseHandle(hFile);
}
static int load_blackbox(const char* logfile, void* blackbox, int size)
{
HANDLE hFile;
DWORD read;
BOOL ret;
char buf[4096];
hFile=CreateFileA(logfile, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, 0);
if (hFile == INVALID_HANDLE_VALUE)
{
ok(0, "unable to open '%s'\n", logfile);
return 0;
}
SetLastError(0xdeadbeef);
ret=ReadFile(hFile, blackbox, size, &read, NULL);
ok(ret, "ReadFile failed: %d\n", GetLastError());
ok(read == size, "wrong size for '%s': read=%d\n", logfile, read);
ret = ReadFile(hFile, buf, sizeof(buf) - 1, &read, NULL);
if (ret && read)
{
buf[read] = 0;
trace("debugger traces:\n%s", buf);
}
CloseHandle(hFile);
return 1;
}
static DWORD WINAPI thread_proc(void *arg)
{
Sleep(10000);
trace("exiting\n");
ExitThread(1);
}
static void run_background_thread(void)
{
DWORD tid;
HANDLE thread = CreateThread(NULL, 0, thread_proc, NULL, 0, &tid);
ok(thread != NULL, "CreateThread failed\n");
CloseHandle(thread);
}
static void doCrash(void)
{
volatile char* p;
/* make sure the exception gets to the debugger */
SetErrorMode( 0 );
SetUnhandledExceptionFilter( NULL );
run_background_thread();
/* Just crash */
trace("child: crashing...\n");
p=NULL;
*p=0;
}
typedef struct
{
int argc;
DWORD pid;
BOOL debug_rc;
DWORD debug_err;
BOOL attach_rc;
DWORD attach_err;
BOOL nokill_rc;
DWORD nokill_err;
BOOL detach_rc;
DWORD detach_err;
DWORD failures;
} debugger_blackbox_t;
struct debugger_context
{
DWORD pid;
DEBUG_EVENT ev;
unsigned process_cnt;
unsigned dll_cnt;
void *image_base;
DWORD thread_tag;
unsigned thread_cnt;
struct wine_rb_tree threads;
struct debuggee_thread *current_thread;
struct debuggee_thread *main_thread;
};
struct debuggee_thread
{
DWORD tid;
DWORD tag;
HANDLE handle;
CONTEXT ctx;
struct wine_rb_entry entry;
};
int debuggee_thread_compare(const void *key, const struct wine_rb_entry *entry)
{
struct debuggee_thread *thread = WINE_RB_ENTRY_VALUE(entry, struct debuggee_thread, entry);
return memcmp(key, &thread->tid, sizeof(thread->tid));
}
static void add_thread(struct debugger_context *ctx, DWORD tid)
{
struct debuggee_thread *thread;
if (!ctx->thread_cnt++) wine_rb_init(&ctx->threads, debuggee_thread_compare);
thread = heap_alloc(sizeof(*thread));
thread->tid = tid;
thread->tag = ctx->thread_tag;
thread->handle = NULL;
wine_rb_put(&ctx->threads, &tid, &thread->entry);
if (!ctx->main_thread) ctx->main_thread = thread;
}
static struct debuggee_thread *get_debuggee_thread(struct debugger_context *ctx, DWORD tid)
{
struct wine_rb_entry *entry = wine_rb_get(&ctx->threads, &tid);
ok(entry != NULL, "unknown thread %x\n", tid);
return WINE_RB_ENTRY_VALUE(entry, struct debuggee_thread, entry);
}
static void remove_thread(struct debugger_context *ctx, DWORD tid)
{
struct debuggee_thread *thread = get_debuggee_thread(ctx, tid);
wine_rb_remove(&ctx->threads, &thread->entry);
if (thread->handle) CloseHandle(thread->handle);
heap_free(thread);
}
static void *get_ip(const CONTEXT *ctx)
{
#ifdef __i386__
return (void *)ctx->Eip;
#elif defined(__x86_64__)
return (void *)ctx->Rip;
#else
return NULL;
#endif
}
#define fetch_thread_context(a) fetch_thread_context_(__LINE__,a)
static void fetch_thread_context_(unsigned line, struct debuggee_thread *thread)
{
BOOL ret;
if (!thread->handle)
{
thread->handle = OpenThread(THREAD_GET_CONTEXT | THREAD_SET_CONTEXT | THREAD_QUERY_INFORMATION,
FALSE, thread->tid);
ok_(__FILE__,line)(thread->handle != NULL, "OpenThread failed: %u\n", GetLastError());
}
memset(&thread->ctx, 0xaa, sizeof(thread->ctx));
thread->ctx.ContextFlags = CONTEXT_FULL;
ret = GetThreadContext(thread->handle, &thread->ctx);
ok_(__FILE__,line)(ret, "GetThreadContext failed: %u\n", GetLastError());
}
#define set_thread_context(a,b) set_thread_context_(__LINE__,a,b)
static void set_thread_context_(unsigned line, struct debugger_context *ctx, struct debuggee_thread *thread)
{
BOOL ret;
ret = SetThreadContext(thread->handle, &thread->ctx);
ok_(__FILE__,line)(ret, "SetThreadContext failed: %u\n", GetLastError());
}
static void fetch_process_context(struct debugger_context *ctx)
{
struct debuggee_thread *thread;
WINE_RB_FOR_EACH_ENTRY(thread, &ctx->threads, struct debuggee_thread, entry)
{
fetch_thread_context(thread);
}
}
#define WAIT_EVENT_TIMEOUT 20000
#define POLL_EVENT_TIMEOUT 200
#define next_event(a,b) next_event_(__LINE__,a,b)
static void next_event_(unsigned line, struct debugger_context *ctx, unsigned timeout)
{
BOOL ret;
ctx->current_thread = NULL;
for (;;)
{
if (ctx->process_cnt && ctx->ev.dwDebugEventCode != -1)
{
ret = ContinueDebugEvent(ctx->ev.dwProcessId, ctx->ev.dwThreadId, DBG_CONTINUE);
ok_(__FILE__,line)(ret, "ContinueDebugEvent failed, last error %d.\n", GetLastError());
}
ret = WaitForDebugEvent(&ctx->ev, timeout);
if (!ret)
{
ok_(__FILE__,line)(GetLastError() == ERROR_SEM_TIMEOUT,
"WaitForDebugEvent failed, last error %d.\n", GetLastError());
ctx->ev.dwDebugEventCode = -1;
return;
}
if (ctx->ev.dwDebugEventCode == CREATE_PROCESS_DEBUG_EVENT)
{
if (!ctx->process_cnt) ctx->pid = ctx->ev.dwProcessId;
ctx->process_cnt++;
}
if (ctx->ev.dwDebugEventCode == OUTPUT_DEBUG_STRING_EVENT) continue; /* ignore for now */
if (ctx->ev.dwProcessId == ctx->pid) break;
ok_(__FILE__,line)(ctx->process_cnt > 1, "unexpected event pid\n");
}
switch (ctx->ev.dwDebugEventCode)
{
case CREATE_PROCESS_DEBUG_EVENT:
add_thread(ctx, ctx->ev.dwThreadId);
ctx->image_base = ctx->ev.u.CreateProcessInfo.lpBaseOfImage;
break;
case EXIT_PROCESS_DEBUG_EVENT:
remove_thread(ctx, ctx->ev.dwThreadId);
return;
case CREATE_THREAD_DEBUG_EVENT:
add_thread(ctx, ctx->ev.dwThreadId);
break;
case EXIT_THREAD_DEBUG_EVENT:
remove_thread(ctx, ctx->ev.dwThreadId);
return;
case LOAD_DLL_DEBUG_EVENT:
ok(ctx->ev.u.LoadDll.lpBaseOfDll != ctx->image_base, "process image reported as DLL load event\n");
ctx->dll_cnt++;
break;
case UNLOAD_DLL_DEBUG_EVENT:
ctx->dll_cnt--;
break;
}
ctx->current_thread = get_debuggee_thread(ctx, ctx->ev.dwThreadId);
}
#define wait_for_breakpoint(a) wait_for_breakpoint_(__LINE__,a)
static void wait_for_breakpoint_(unsigned line, struct debugger_context *ctx)
{
do next_event_(line, ctx, WAIT_EVENT_TIMEOUT);
while (ctx->ev.dwDebugEventCode == LOAD_DLL_DEBUG_EVENT || ctx->ev.dwDebugEventCode == UNLOAD_DLL_DEBUG_EVENT
|| ctx->ev.dwDebugEventCode == CREATE_THREAD_DEBUG_EVENT);
ok_(__FILE__,line)(ctx->ev.dwDebugEventCode == EXCEPTION_DEBUG_EVENT, "dwDebugEventCode = %d\n", ctx->ev.dwDebugEventCode);
ok_(__FILE__,line)(ctx->ev.u.Exception.ExceptionRecord.ExceptionCode == EXCEPTION_BREAKPOINT, "ExceptionCode = %x\n",
ctx->ev.u.Exception.ExceptionRecord.ExceptionCode);
}
static void process_attach_events(struct debugger_context *ctx, BOOL pass_exception)
{
DEBUG_EVENT ev;
BOOL ret;
ctx->ev.dwDebugEventCode = -1;
next_event(ctx, 0);
ok(ctx->ev.dwDebugEventCode == CREATE_PROCESS_DEBUG_EVENT, "dwDebugEventCode = %d\n", ctx->ev.dwDebugEventCode);
next_event(ctx, 0);
if (ctx->ev.dwDebugEventCode == LOAD_DLL_DEBUG_EVENT) /* Vista+ reports ntdll.dll before reporting threads */
{
ok(ctx->ev.dwDebugEventCode == LOAD_DLL_DEBUG_EVENT, "dwDebugEventCode = %d\n", ctx->ev.dwDebugEventCode);
ok(ctx->ev.u.LoadDll.lpBaseOfDll == ntdll, "The first reported DLL is not ntdll.dll\n");
next_event(ctx, 0);
}
while (ctx->ev.dwDebugEventCode == CREATE_THREAD_DEBUG_EVENT)
next_event(ctx, 0);
do
{
/* even when there are more pending events, they are not reported until current event is continued */
ret = WaitForDebugEvent(&ev, 10);
ok(GetLastError() == ERROR_SEM_TIMEOUT, "WaitForDebugEvent returned %x(%u)\n", ret, GetLastError());
next_event(ctx, WAIT_EVENT_TIMEOUT);
if (ctx->ev.dwDebugEventCode == LOAD_DLL_DEBUG_EVENT)
ok(ctx->ev.u.LoadDll.lpBaseOfDll != ntdll, "ntdll.dll reported out of order\n");
} while (ctx->ev.dwDebugEventCode == LOAD_DLL_DEBUG_EVENT || ctx->ev.dwDebugEventCode == UNLOAD_DLL_DEBUG_EVENT);
ok(ctx->dll_cnt > 2, "dll_cnt = %d\n", ctx->dll_cnt);
/* a new thread is created and it executes DbgBreakPoint, which causes the exception */
ok(ctx->ev.dwDebugEventCode == CREATE_THREAD_DEBUG_EVENT, "dwDebugEventCode = %d\n", ctx->ev.dwDebugEventCode);
if (ctx->ev.dwDebugEventCode == CREATE_THREAD_DEBUG_EVENT)
{
DWORD last_thread = ctx->ev.dwThreadId;
next_event(ctx, WAIT_EVENT_TIMEOUT);
ok(ctx->ev.dwThreadId == last_thread, "unexpected thread\n");
}
ok(ctx->ev.dwDebugEventCode == EXCEPTION_DEBUG_EVENT, "dwDebugEventCode = %d\n", ctx->ev.dwDebugEventCode);
ok(ctx->ev.u.Exception.ExceptionRecord.ExceptionCode == EXCEPTION_BREAKPOINT, "ExceptionCode = %x\n",
ctx->ev.u.Exception.ExceptionRecord.ExceptionCode);
ok(ctx->ev.u.Exception.ExceptionRecord.ExceptionAddress == pDbgBreakPoint, "ExceptionAddress != DbgBreakPoint\n");
if (pass_exception)
{
ret = ContinueDebugEvent(ctx->ev.dwProcessId, ctx->ev.dwThreadId, DBG_EXCEPTION_NOT_HANDLED);
ok(ret, "ContinueDebugEvent failed, last error %d.\n", GetLastError());
ctx->ev.dwDebugEventCode = -1;
}
/* flush debug events */
do next_event(ctx, POLL_EVENT_TIMEOUT);
while (ctx->ev.dwDebugEventCode == LOAD_DLL_DEBUG_EVENT || ctx->ev.dwDebugEventCode == UNLOAD_DLL_DEBUG_EVENT
|| ctx->ev.dwDebugEventCode == CREATE_THREAD_DEBUG_EVENT || ctx->ev.dwDebugEventCode == EXIT_THREAD_DEBUG_EVENT);
ok(ctx->ev.dwDebugEventCode == -1, "dwDebugEventCode = %d\n", ctx->ev.dwDebugEventCode);
}
static void doDebugger(int argc, char** argv)
{
const char* logfile;
debugger_blackbox_t blackbox;
HANDLE start_event = 0, done_event = 0, debug_event;
char buf[4096] = "";
struct debugger_context ctx = { 0 };
blackbox.argc=argc;
logfile=(argc >= 4 ? argv[3] : NULL);
blackbox.pid=(argc >= 5 ? atol(argv[4]) : 0);
blackbox.attach_err=0;
if (strstr(myARGV[2], "attach"))
{
blackbox.attach_rc=DebugActiveProcess(blackbox.pid);
if (!blackbox.attach_rc)
blackbox.attach_err=GetLastError();
}
else
blackbox.attach_rc=TRUE;
if (strstr(myARGV[2], "process"))
{
strcat(buf, "processing debug messages\n");
process_attach_events(&ctx, FALSE);
}
debug_event=(argc >= 6 ? (HANDLE)(INT_PTR)atol(argv[5]) : NULL);
blackbox.debug_err=0;
if (debug_event && strstr(myARGV[2], "event"))
{
strcat(buf, "setting event\n");
blackbox.debug_rc=SetEvent(debug_event);
if (!blackbox.debug_rc)
blackbox.debug_err=GetLastError();
}
else
blackbox.debug_rc=TRUE;
if (strstr(myARGV[2], "process"))
{
next_event(&ctx, WAIT_EVENT_TIMEOUT);
ok(ctx.ev.dwDebugEventCode == EXCEPTION_DEBUG_EVENT, "dwDebugEventCode = %d\n", ctx.ev.dwDebugEventCode);
ok(ctx.ev.u.Exception.ExceptionRecord.ExceptionCode == STATUS_ACCESS_VIOLATION, "ExceptionCode = %x\n",
ctx.ev.u.Exception.ExceptionRecord.ExceptionCode);
}
if (logfile)
{
get_events(logfile, &start_event, &done_event);
}
if (strstr(myARGV[2], "order"))
{
strcat(buf, "waiting for the start signal...\n");
WaitForSingleObject(start_event, INFINITE);
}
blackbox.nokill_err=0;
if (strstr(myARGV[2], "nokill"))
{
blackbox.nokill_rc = DebugSetProcessKillOnExit(FALSE);
if (!blackbox.nokill_rc)
blackbox.nokill_err=GetLastError();
}
else
blackbox.nokill_rc=TRUE;
blackbox.detach_err=0;
if (strstr(myARGV[2], "detach"))
{
blackbox.detach_rc = DebugActiveProcessStop(blackbox.pid);
if (!blackbox.detach_rc)
blackbox.detach_err=GetLastError();
}
else
blackbox.detach_rc=TRUE;
if (debug_event && strstr(myARGV[2], "late"))
{
strcat(buf, "setting event\n");
blackbox.debug_rc=SetEvent(debug_event);
if (!blackbox.debug_rc)
blackbox.debug_err=GetLastError();
}
strcat(buf, "done debugging...\n");
if (logfile)
{
blackbox.failures = winetest_get_failures();
save_blackbox(logfile, &blackbox, sizeof(blackbox), buf);
}
SetEvent(done_event);
/* Just exit with a known value */
ExitProcess(0xdeadbeef);
}
static void crash_and_debug(HKEY hkey, const char* argv0, const char* dbgtasks)
{
static BOOL skip_crash_and_debug = FALSE;
BOOL bRet;
DWORD ret;
HANDLE start_event, done_event;
char* cmd;
char dbglog[MAX_PATH];
PROCESS_INFORMATION info;
STARTUPINFOA startup;
DWORD exit_code;
debugger_blackbox_t dbg_blackbox;
DWORD wait_code;
if (skip_crash_and_debug)
{
win_skip("Skipping crash_and_debug\n");
return;
}
ret=RegSetValueExA(hkey, "auto", 0, REG_SZ, (BYTE*)"1", 2);
if (ret == ERROR_ACCESS_DENIED)
{
skip_crash_and_debug = TRUE;
skip("No write access to change the debugger\n");
return;
}
ok(ret == ERROR_SUCCESS, "unable to set AeDebug/auto: ret=%d\n", ret);
get_file_name(dbglog);
get_events(dbglog, &start_event, &done_event);
cmd=HeapAlloc(GetProcessHeap(), 0, strlen(argv0)+10+strlen(dbgtasks)+1+strlen(dbglog)+2+34+1);
sprintf(cmd, "%s debugger %s \"%s\" %%ld %%ld", argv0, dbgtasks, dbglog);
ret=RegSetValueExA(hkey, "debugger", 0, REG_SZ, (BYTE*)cmd, strlen(cmd)+1);
ok(ret == ERROR_SUCCESS, "unable to set AeDebug/debugger: ret=%d\n", ret);
HeapFree(GetProcessHeap(), 0, cmd);
cmd = HeapAlloc(GetProcessHeap(), 0, strlen(argv0) + 16);
sprintf(cmd, "%s debugger crash", argv0);
trace("running %s...\n", dbgtasks);
memset(&startup, 0, sizeof(startup));
startup.cb = sizeof(startup);
startup.dwFlags = STARTF_USESHOWWINDOW;
startup.wShowWindow = SW_SHOWNORMAL;
ret=CreateProcessA(NULL, cmd, NULL, NULL, FALSE, 0, NULL, NULL, &startup, &info);
ok(ret, "CreateProcess: err=%d\n", GetLastError());
HeapFree(GetProcessHeap(), 0, cmd);
CloseHandle(info.hThread);
/* The process exits... */
trace("waiting for child exit...\n");
wait_code = WaitForSingleObject(info.hProcess, 30000);
#if defined(_WIN64) && defined(__MINGW32__)
/* Mingw x64 doesn't output proper unwind info */
skip_crash_and_debug = broken(wait_code == WAIT_TIMEOUT);
if (skip_crash_and_debug)
{
TerminateProcess(info.hProcess, WAIT_TIMEOUT);
WaitForSingleObject(info.hProcess, 5000);
CloseHandle(info.hProcess);
DeleteFileA(dbglog);
win_skip("Giving up on child process\n");
return;
}
#endif
ok(wait_code == WAIT_OBJECT_0, "Timed out waiting for the child to crash\n");
bRet = GetExitCodeProcess(info.hProcess, &exit_code);
ok(bRet, "GetExitCodeProcess failed: err=%d\n", GetLastError());
if (strstr(dbgtasks, "code2"))
{
/* If, after attaching to the debuggee, the debugger exits without
* detaching, then the debuggee gets a special exit code.
*/
ok(exit_code == STATUS_DEBUGGER_INACTIVE ||
broken(exit_code == STATUS_ACCESS_VIOLATION) || /* Intermittent Vista+ */
broken(exit_code == WAIT_ABANDONED), /* NT4, W2K */
"wrong exit code : %08x\n", exit_code);
}
else
ok(exit_code == STATUS_ACCESS_VIOLATION ||
broken(exit_code == WAIT_ABANDONED), /* NT4, W2K, W2K3 */
"wrong exit code : %08x\n", exit_code);
CloseHandle(info.hProcess);
/* ...before the debugger */
if (strstr(dbgtasks, "order"))
ok(SetEvent(start_event), "SetEvent(start_event) failed\n");
trace("waiting for the debugger...\n");
wait_code = WaitForSingleObject(done_event, 5000);
#if defined(_WIN64) && defined(__MINGW32__)
/* Mingw x64 doesn't output proper unwind info */
skip_crash_and_debug = broken(wait_code == WAIT_TIMEOUT);
if (skip_crash_and_debug)
{
DeleteFileA(dbglog);
win_skip("Giving up on debugger\n");
return;
}
#endif
ok(wait_code == WAIT_OBJECT_0, "Timed out waiting for the debugger\n");
ok(load_blackbox(dbglog, &dbg_blackbox, sizeof(dbg_blackbox)), "failed to open: %s\n", dbglog);
ok(dbg_blackbox.argc == 6, "wrong debugger argument count: %d\n", dbg_blackbox.argc);
ok(dbg_blackbox.pid == info.dwProcessId, "the child and debugged pids don't match: %d != %d\n", info.dwProcessId, dbg_blackbox.pid);
ok(dbg_blackbox.debug_rc, "debugger: SetEvent(debug_event) failed err=%d\n", dbg_blackbox.debug_err);
ok(dbg_blackbox.attach_rc, "DebugActiveProcess(%d) failed err=%d\n", dbg_blackbox.pid, dbg_blackbox.attach_err);
ok(dbg_blackbox.nokill_rc, "DebugSetProcessKillOnExit(FALSE) failed err=%d\n", dbg_blackbox.nokill_err);
ok(dbg_blackbox.detach_rc, "DebugActiveProcessStop(%d) failed err=%d\n", dbg_blackbox.pid, dbg_blackbox.detach_err);
ok(!dbg_blackbox.failures, "debugger reported %u failures\n", dbg_blackbox.failures);
DeleteFileA(dbglog);
}
static void crash_and_winedbg(HKEY hkey, const char* argv0)
{
BOOL bRet;
DWORD ret;
char* cmd;
PROCESS_INFORMATION info;
STARTUPINFOA startup;
DWORD exit_code;
ret=RegSetValueExA(hkey, "auto", 0, REG_SZ, (BYTE*)"1", 2);
ok(ret == ERROR_SUCCESS, "unable to set AeDebug/auto: ret=%d\n", ret);
cmd=HeapAlloc(GetProcessHeap(), 0, strlen(argv0)+15+1);
sprintf(cmd, "%s debugger crash", argv0);
memset(&startup, 0, sizeof(startup));
startup.cb = sizeof(startup);
startup.dwFlags = STARTF_USESHOWWINDOW;
startup.wShowWindow = SW_SHOWNORMAL;
ret=CreateProcessA(NULL, cmd, NULL, NULL, FALSE, 0, NULL, NULL, &startup, &info);
ok(ret, "CreateProcess: err=%d\n", GetLastError());
HeapFree(GetProcessHeap(), 0, cmd);
CloseHandle(info.hThread);
trace("waiting for child exit...\n");
ok(WaitForSingleObject(info.hProcess, 60000) == WAIT_OBJECT_0, "Timed out waiting for the child to crash\n");
bRet = GetExitCodeProcess(info.hProcess, &exit_code);
ok(bRet, "GetExitCodeProcess failed: err=%d\n", GetLastError());
ok(exit_code == STATUS_ACCESS_VIOLATION, "exit code = %08x\n", exit_code);
CloseHandle(info.hProcess);
}
static void test_ExitCode(void)
{
static const char* AeDebug="Software\\Microsoft\\Windows NT\\CurrentVersion\\AeDebug";
static const char* WineDbg="Software\\Wine\\WineDbg";
char test_exe[MAX_PATH];
DWORD ret;
HKEY hkey;
DWORD disposition;
reg_save_value auto_value;
reg_save_value debugger_value;
GetModuleFileNameA(GetModuleHandleA(NULL), test_exe, sizeof(test_exe));
if (GetFileAttributesA(test_exe) == INVALID_FILE_ATTRIBUTES)
strcat(test_exe, ".so");
if (GetFileAttributesA(test_exe) == INVALID_FILE_ATTRIBUTES)
{
ok(0, "could not find the test executable '%s'\n", test_exe);
return;
}
ret=RegCreateKeyExA(HKEY_LOCAL_MACHINE, AeDebug, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, &disposition);
if (ret == ERROR_SUCCESS)
{
save_value(hkey, "auto", &auto_value);
save_value(hkey, "debugger", &debugger_value);
trace("HKLM\\%s\\debugger is set to '%s'\n", AeDebug, debugger_value.data);
}
else if (ret == ERROR_ACCESS_DENIED)
{
skip("not enough privileges to change the debugger\n");
return;
}
else if (ret != ERROR_FILE_NOT_FOUND)
{
ok(0, "could not open the AeDebug key: %d\n", ret);
return;
}
else debugger_value.data = NULL;
if (debugger_value.data && debugger_value.type == REG_SZ &&
strstr((char*)debugger_value.data, "winedbg --auto"))
{
HKEY hkeyWinedbg;
ret=RegCreateKeyA(HKEY_CURRENT_USER, WineDbg, &hkeyWinedbg);
if (ret == ERROR_SUCCESS)
{
static DWORD zero;
reg_save_value crash_dlg_value;
save_value(hkeyWinedbg, "ShowCrashDialog", &crash_dlg_value);
RegSetValueExA(hkeyWinedbg, "ShowCrashDialog", 0, REG_DWORD, (BYTE *)&zero, sizeof(DWORD));
crash_and_winedbg(hkey, test_exe);
restore_value(hkeyWinedbg, &crash_dlg_value);
RegCloseKey(hkeyWinedbg);
}
else
ok(0, "Couldn't access WineDbg Key - error %u\n", ret);
}
if (winetest_interactive)
/* Since the debugging process never sets the debug event, it isn't recognized
as a valid debugger and, after the debugger exits, Windows will show a dialog box
asking the user what to do */
crash_and_debug(hkey, test_exe, "dbg,none");
else
skip("\"none\" debugger test needs user interaction\n");
ok(disposition == REG_OPENED_EXISTING_KEY, "expected REG_OPENED_EXISTING_KEY, got %d\n", disposition);
crash_and_debug(hkey, test_exe, "dbg,event,order");
crash_and_debug(hkey, test_exe, "dbg,attach,event,code2");
crash_and_debug(hkey, test_exe, "dbg,attach,event,nokill");
crash_and_debug(hkey, test_exe, "dbg,attach,event,detach");
crash_and_debug(hkey, test_exe, "dbg,attach,detach,late");
crash_and_debug(hkey, test_exe, "dbg,attach,process,event,detach");
if (disposition == REG_CREATED_NEW_KEY)
{
RegCloseKey(hkey);
RegDeleteKeyA(HKEY_LOCAL_MACHINE, AeDebug);
}
else
{
restore_value(hkey, &auto_value);
restore_value(hkey, &debugger_value);
RegCloseKey(hkey);
}
}
static void test_RemoteDebugger(void)
{
BOOL bret, present;
if(!pCheckRemoteDebuggerPresent)
{
win_skip("CheckRemoteDebuggerPresent is not available\n");
return;
}
present = TRUE;
SetLastError(0xdeadbeef);
bret = pCheckRemoteDebuggerPresent(GetCurrentProcess(),&present);
ok(bret , "expected CheckRemoteDebuggerPresent to succeed\n");
ok(0xdeadbeef == GetLastError(),
"expected error to be unchanged, got %d/%x\n",GetLastError(), GetLastError());
present = TRUE;
SetLastError(0xdeadbeef);
bret = pCheckRemoteDebuggerPresent(NULL,&present);
ok(!bret , "expected CheckRemoteDebuggerPresent to fail\n");
ok(present, "expected parameter to be unchanged\n");
ok(ERROR_INVALID_PARAMETER == GetLastError(),
"expected error ERROR_INVALID_PARAMETER, got %d/%x\n",GetLastError(), GetLastError());
SetLastError(0xdeadbeef);
bret = pCheckRemoteDebuggerPresent(GetCurrentProcess(),NULL);
ok(!bret , "expected CheckRemoteDebuggerPresent to fail\n");
ok(ERROR_INVALID_PARAMETER == GetLastError(),
"expected error ERROR_INVALID_PARAMETER, got %d/%x\n",GetLastError(), GetLastError());
}
struct child_blackbox
{
LONG failures;
};
static void doChild(int argc, char **argv)
{
struct child_blackbox blackbox;
const char *blackbox_file;
HANDLE parent;
DWORD ppid;
BOOL debug;
BOOL ret;
blackbox_file = argv[4];
sscanf(argv[3], "%08x", &ppid);
parent = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, ppid);
child_ok(!!parent, "OpenProcess failed, last error %#x.\n", GetLastError());
ret = pCheckRemoteDebuggerPresent(parent, &debug);
child_ok(ret, "CheckRemoteDebuggerPresent failed, last error %#x.\n", GetLastError());
child_ok(!debug, "Expected debug == 0, got %#x.\n", debug);
ret = DebugActiveProcess(ppid);
child_ok(ret, "DebugActiveProcess failed, last error %#x.\n", GetLastError());
ret = pCheckRemoteDebuggerPresent(parent, &debug);
child_ok(ret, "CheckRemoteDebuggerPresent failed, last error %#x.\n", GetLastError());
child_ok(debug, "Expected debug != 0, got %#x.\n", debug);
ret = DebugActiveProcessStop(ppid);
child_ok(ret, "DebugActiveProcessStop failed, last error %#x.\n", GetLastError());
ret = pCheckRemoteDebuggerPresent(parent, &debug);
child_ok(ret, "CheckRemoteDebuggerPresent failed, last error %#x.\n", GetLastError());
child_ok(!debug, "Expected debug == 0, got %#x.\n", debug);
ret = CloseHandle(parent);
child_ok(ret, "CloseHandle failed, last error %#x.\n", GetLastError());
ret = IsDebuggerPresent();
child_ok(ret, "Expected ret != 0, got %#x.\n", ret);
ret = pCheckRemoteDebuggerPresent(GetCurrentProcess(), &debug);
child_ok(ret, "CheckRemoteDebuggerPresent failed, last error %#x.\n", GetLastError());
child_ok(debug, "Expected debug != 0, got %#x.\n", debug);
NtCurrentTeb()->Peb->BeingDebugged = FALSE;
ret = IsDebuggerPresent();
child_ok(!ret, "Expected ret != 0, got %#x.\n", ret);
ret = pCheckRemoteDebuggerPresent(GetCurrentProcess(), &debug);
child_ok(ret, "CheckRemoteDebuggerPresent failed, last error %#x.\n", GetLastError());
child_ok(debug, "Expected debug != 0, got %#x.\n", debug);
NtCurrentTeb()->Peb->BeingDebugged = TRUE;
blackbox.failures = child_failures;
save_blackbox(blackbox_file, &blackbox, sizeof(blackbox), NULL);
}
static void test_debug_loop(int argc, char **argv)
{
const char *arguments = " debugger child ";
struct child_blackbox blackbox;
char blackbox_file[MAX_PATH];
PROCESS_INFORMATION pi;
STARTUPINFOA si;
BOOL debug;
DWORD pid;
char *cmd;
BOOL ret;
if (!pCheckRemoteDebuggerPresent)
{
win_skip("CheckRemoteDebuggerPresent not available, skipping test.\n");
return;
}
pid = GetCurrentProcessId();
ret = DebugActiveProcess(pid);
ok(!ret, "DebugActiveProcess() succeeded on own process.\n");
get_file_name(blackbox_file);
cmd = HeapAlloc(GetProcessHeap(), 0, strlen(argv[0]) + strlen(arguments) + strlen(blackbox_file) + 2 + 10);
sprintf(cmd, "%s%s%08x \"%s\"", argv[0], arguments, pid, blackbox_file);
memset(&si, 0, sizeof(si));
si.cb = sizeof(si);
ret = CreateProcessA(NULL, cmd, NULL, NULL, FALSE, DEBUG_PROCESS, NULL, NULL, &si, &pi);
ok(ret, "CreateProcess failed, last error %#x.\n", GetLastError());
HeapFree(GetProcessHeap(), 0, cmd);
ret = pCheckRemoteDebuggerPresent(pi.hProcess, &debug);
ok(ret, "CheckRemoteDebuggerPresent failed, last error %#x.\n", GetLastError());
ok(debug, "Expected debug != 0, got %#x.\n", debug);
for (;;)
{
DEBUG_EVENT ev;
ret = WaitForDebugEvent(&ev, INFINITE);
ok(ret, "WaitForDebugEvent failed, last error %#x.\n", GetLastError());
if (!ret) break;
if (ev.dwDebugEventCode == EXIT_PROCESS_DEBUG_EVENT) break;
#if defined(__i386__) || defined(__x86_64__)
if (ev.dwDebugEventCode == EXCEPTION_DEBUG_EVENT &&
ev.u.Exception.ExceptionRecord.ExceptionCode == EXCEPTION_BREAKPOINT)
{
BYTE byte = 0;
NtReadVirtualMemory(pi.hProcess, ev.u.Exception.ExceptionRecord.ExceptionAddress, &byte, 1, NULL);
ok(byte == 0xcc, "got %02x\n", byte);
}
#endif
ret = ContinueDebugEvent(ev.dwProcessId, ev.dwThreadId, DBG_CONTINUE);
ok(ret, "ContinueDebugEvent failed, last error %#x.\n", GetLastError());
if (!ret) break;
}
ret = CloseHandle(pi.hThread);
ok(ret, "CloseHandle failed, last error %#x.\n", GetLastError());
ret = CloseHandle(pi.hProcess);
ok(ret, "CloseHandle failed, last error %#x.\n", GetLastError());
load_blackbox(blackbox_file, &blackbox, sizeof(blackbox));
ok(!blackbox.failures, "Got %d failures from child process.\n", blackbox.failures);
ret = DeleteFileA(blackbox_file);
ok(ret, "DeleteFileA failed, last error %#x.\n", GetLastError());
}
static void doChildren(int argc, char **argv)
{
const char *arguments = "debugger children last";
struct child_blackbox blackbox;
const char *blackbox_file, *p;
char event_name[MAX_PATH];
PROCESS_INFORMATION pi;
STARTUPINFOA si;
HANDLE event;
char *cmd;
BOOL ret;
if (!strcmp(argv[3], "last")) return;
blackbox_file = argv[3];
run_background_thread();
p = strrchr(blackbox_file, '\\');
p = p ? p+1 : blackbox_file;
strcpy(event_name, p);
strcat(event_name, "_init");
event = OpenEventA(EVENT_ALL_ACCESS, FALSE, event_name);
child_ok(event != NULL, "OpenEvent failed, last error %d.\n", GetLastError());
SetEvent(event);
CloseHandle(event);
p = strrchr(blackbox_file, '\\');
p = p ? p+1 : blackbox_file;
strcpy(event_name, p);
strcat(event_name, "_attach");
event = OpenEventA(EVENT_ALL_ACCESS, FALSE, event_name);
child_ok(event != NULL, "OpenEvent failed, last error %d.\n", GetLastError());
WaitForSingleObject(event, INFINITE);
CloseHandle(event);
cmd = HeapAlloc(GetProcessHeap(), 0, strlen(argv[0]) + strlen(arguments) + 2);
sprintf(cmd, "%s %s", argv[0], arguments);
memset(&si, 0, sizeof(si));
si.cb = sizeof(si);
ret = CreateProcessA(NULL, cmd, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);
child_ok(ret, "CreateProcess failed, last error %d.\n", GetLastError());
child_ok(WaitForSingleObject(pi.hProcess, 10000) == WAIT_OBJECT_0,
"Timed out waiting for the child to exit\n");
ret = CloseHandle(pi.hThread);
child_ok(ret, "CloseHandle failed, last error %d.\n", GetLastError());
ret = CloseHandle(pi.hProcess);
child_ok(ret, "CloseHandle failed, last error %d.\n", GetLastError());
blackbox.failures = child_failures;
save_blackbox(blackbox_file, &blackbox, sizeof(blackbox), NULL);
HeapFree(GetProcessHeap(), 0, cmd);
}
static void test_debug_children(const char *name, DWORD flag, BOOL debug_child, BOOL pass_exception)
{
const char *arguments = "debugger children";
struct child_blackbox blackbox;
char blackbox_file[MAX_PATH], *p;
char event_name[MAX_PATH];
PROCESS_INFORMATION pi;
STARTUPINFOA si;
HANDLE event_init, event_attach;
char *cmd;
BOOL debug, ret;
struct debugger_context ctx = { 0 };
if (!pCheckRemoteDebuggerPresent)
{
win_skip("CheckRemoteDebuggerPresent not available, skipping test.\n");
return;
}
get_file_name(blackbox_file);
cmd = HeapAlloc(GetProcessHeap(), 0, strlen(name) + strlen(arguments) + strlen(blackbox_file) + 5);
sprintf(cmd, "%s %s \"%s\"", name, arguments, blackbox_file);
p = strrchr(blackbox_file, '\\');
p = p ? p+1 : blackbox_file;
strcpy(event_name, p);
strcat(event_name, "_init");
event_init = CreateEventA(NULL, FALSE, FALSE, event_name);
ok(event_init != NULL, "OpenEvent failed, last error %d.\n", GetLastError());
p = strrchr(blackbox_file, '\\');
p = p ? p+1 : blackbox_file;
strcpy(event_name, p);
strcat(event_name, "_attach");
event_attach = CreateEventA(NULL, FALSE, flag!=0, event_name);
ok(event_attach != NULL, "CreateEvent failed, last error %d.\n", GetLastError());
memset(&si, 0, sizeof(si));
si.cb = sizeof(si);
ret = CreateProcessA(NULL, cmd, NULL, NULL, FALSE, flag, NULL, NULL, &si, &pi);
ok(ret, "CreateProcess failed, last error %d.\n", GetLastError());
HeapFree(GetProcessHeap(), 0, cmd);
if (!flag)
{
WaitForSingleObject(event_init, INFINITE);
Sleep(100);
ret = DebugActiveProcess(pi.dwProcessId);
ok(ret, "DebugActiveProcess failed, last error %d.\n", GetLastError());
}
ret = pCheckRemoteDebuggerPresent(pi.hProcess, &debug);
ok(ret, "CheckRemoteDebuggerPresent failed, last error %d.\n", GetLastError());
ok(debug, "Expected debug != 0, got %x.\n", debug);
trace("starting debugger loop\n");
if (flag)
{
next_event(&ctx, WAIT_EVENT_TIMEOUT);
ok(ctx.ev.dwDebugEventCode == CREATE_PROCESS_DEBUG_EVENT, "dwDebugEventCode = %d\n", ctx.ev.dwDebugEventCode);
ok(ctx.pid == pi.dwProcessId, "unexpected dwProcessId %x\n", ctx.ev.dwProcessId == ctx.pid);
next_event(&ctx, WAIT_EVENT_TIMEOUT);
ok(ctx.ev.dwDebugEventCode == LOAD_DLL_DEBUG_EVENT, "dwDebugEventCode = %d\n", ctx.ev.dwDebugEventCode);
wait_for_breakpoint(&ctx);
ok(ctx.dll_cnt > 2, "dll_cnt = %d\n", ctx.dll_cnt);
}
else
{
DWORD last_thread;
process_attach_events(&ctx, pass_exception);
ok(ctx.pid == pi.dwProcessId, "unexpected dwProcessId %x\n", ctx.pid);
ret = DebugBreakProcess(pi.hProcess);
ok(ret, "BreakProcess failed: %u\n", GetLastError());
/* a new thread, which executes DbgBreakPoint, is created */
next_event(&ctx, WAIT_EVENT_TIMEOUT);
ok(ctx.ev.dwDebugEventCode == CREATE_THREAD_DEBUG_EVENT, "dwDebugEventCode = %d\n", ctx.ev.dwDebugEventCode);
last_thread = ctx.ev.dwThreadId;
if (ctx.ev.dwDebugEventCode == CREATE_THREAD_DEBUG_EVENT)
next_event(&ctx, WAIT_EVENT_TIMEOUT);
ok(ctx.ev.dwDebugEventCode == EXCEPTION_DEBUG_EVENT, "dwDebugEventCode = %d\n", ctx.ev.dwDebugEventCode);
ok(ctx.ev.dwThreadId == last_thread, "unexpected thread\n");
ok(ctx.ev.u.Exception.ExceptionRecord.ExceptionCode == EXCEPTION_BREAKPOINT, "ExceptionCode = %x\n",
ctx.ev.u.Exception.ExceptionRecord.ExceptionCode);
ok(ctx.ev.u.Exception.ExceptionRecord.ExceptionAddress == pDbgBreakPoint, "ExceptionAddress != DbgBreakPoint\n");
ret = SetEvent(event_attach);
ok(ret, "SetEvent failed, last error %d.\n", GetLastError());
if (pass_exception)
{
ret = ContinueDebugEvent(ctx.ev.dwProcessId, ctx.ev.dwThreadId, DBG_EXCEPTION_NOT_HANDLED);
ok(ret, "ContinueDebugEvent failed, last error %d.\n", GetLastError());
ctx.ev.dwDebugEventCode = -1;
}
}
do next_event(&ctx, WAIT_EVENT_TIMEOUT);
while (ctx.ev.dwDebugEventCode == LOAD_DLL_DEBUG_EVENT || ctx.ev.dwDebugEventCode == UNLOAD_DLL_DEBUG_EVENT
|| ctx.ev.dwDebugEventCode == CREATE_THREAD_DEBUG_EVENT || ctx.ev.dwDebugEventCode == EXIT_THREAD_DEBUG_EVENT);
ok(ctx.ev.dwDebugEventCode == EXIT_PROCESS_DEBUG_EVENT, "dwDebugEventCode = %d\n", ctx.ev.dwDebugEventCode);
ret = ContinueDebugEvent(ctx.ev.dwProcessId, ctx.ev.dwThreadId, DBG_CONTINUE);
ok(ret, "ContinueDebugEvent failed, last error %d.\n", GetLastError());
if(debug_child)
ok(ctx.process_cnt == 2, "didn't get any child events (flag: %x).\n", flag);
else
ok(ctx.process_cnt == 1, "got child event (flag: %x).\n", flag);
CloseHandle(event_init);
CloseHandle(event_attach);
ret = CloseHandle(pi.hThread);
ok(ret, "CloseHandle failed, last error %d.\n", GetLastError());
ret = CloseHandle(pi.hProcess);
ok(ret, "CloseHandle failed, last error %d.\n", GetLastError());
load_blackbox(blackbox_file, &blackbox, sizeof(blackbox));
ok(!blackbox.failures, "Got %d failures from child process.\n", blackbox.failures);
ret = DeleteFileA(blackbox_file);
ok(ret, "DeleteFileA failed, last error %d.\n", GetLastError());
}
static void wait_debugger(HANDLE event)
{
WaitForSingleObject(event, INFINITE);
ExitProcess(0);
}
#define expect_event(a,b) expect_event_(__LINE__,a,b)
static void expect_event_(unsigned line, struct debugger_context *ctx, DWORD event_code)
{
next_event(ctx, WAIT_EVENT_TIMEOUT);
ok_(__FILE__,line)(ctx->ev.dwDebugEventCode == event_code, "dwDebugEventCode = %d expected %d\n",
ctx->ev.dwDebugEventCode, event_code);
}
#define expect_exception(a,b) expect_exception_(__LINE__,a,b)
static void expect_exception_(unsigned line, struct debugger_context *ctx, DWORD exception_code)
{
expect_event_(line, ctx, EXCEPTION_DEBUG_EVENT);
ok_(__FILE__,line)(ctx->ev.u.Exception.ExceptionRecord.ExceptionCode == exception_code, "ExceptionCode = %x expected %x\n",
ctx->ev.u.Exception.ExceptionRecord.ExceptionCode, exception_code);
}
#define expect_breakpoint_exception(a,b) expect_breakpoint_exception_(__LINE__,a,b)
static void expect_breakpoint_exception_(unsigned line, struct debugger_context *ctx, const void *expect_addr)
{
struct debuggee_thread *thread;
expect_exception_(line, ctx, EXCEPTION_BREAKPOINT);
if (!expect_addr) return;
ok_(__FILE__,line)(ctx->ev.u.Exception.ExceptionRecord.ExceptionAddress == expect_addr,
"ExceptionAddress = %p expected %p\n", ctx->ev.u.Exception.ExceptionRecord.ExceptionAddress, expect_addr);
thread = get_debuggee_thread(ctx, ctx->ev.dwThreadId);
fetch_thread_context(thread);
ok_(__FILE__,line)(get_ip(&thread->ctx) == (char*)expect_addr + 1, "unexpected instruction pointer %p expected %p\n",
get_ip(&thread->ctx), expect_addr);
}
#define single_step(a,b,c) single_step_(__LINE__,a,b,c)
static void single_step_(unsigned line, struct debugger_context *ctx, struct debuggee_thread *thread, void *expect_addr)
{
#if defined(__i386__) || defined(__x86_64__)
fetch_thread_context(thread);
thread->ctx.EFlags |= 0x100;
set_thread_context(ctx, thread);
expect_exception_(line, ctx, EXCEPTION_SINGLE_STEP);
ok_(__FILE__,line)(ctx->ev.u.Exception.ExceptionRecord.ExceptionAddress == expect_addr,
"ExceptionAddress = %p expected %p\n", ctx->ev.u.Exception.ExceptionRecord.ExceptionAddress, expect_addr);
fetch_thread_context(thread);
ok_(__FILE__,line)(get_ip(&thread->ctx) == expect_addr, "unexpected instruction pointer %p expected %p\n",
get_ip(&thread->ctx), expect_addr);
ok_(__FILE__,line)(!(thread->ctx.EFlags & 0x100), "EFlags = %x\n", thread->ctx.EFlags);
#endif
}
static const BYTE loop_code[] = {
#if defined(__i386__) || defined(__x86_64__)
0x90, /* nop */
0x90, /* nop */
0x90, /* nop */
0xe9, 0xf8, 0xff, 0xff, 0xff /* jmp $-8 */
#endif
};
static const BYTE call_debug_service_code[] = {
#ifdef __i386__
0x53, /* pushl %ebx */
0x57, /* pushl %edi */
0x8b, 0x44, 0x24, 0x0c, /* movl 12(%esp),%eax */
0xb9, 0x11, 0x11, 0x11, 0x11, /* movl $0x11111111,%ecx */
0xba, 0x22, 0x22, 0x22, 0x22, /* movl $0x22222222,%edx */
0xbb, 0x33, 0x33, 0x33, 0x33, /* movl $0x33333333,%ebx */
0xbf, 0x44, 0x44, 0x44, 0x44, /* movl $0x44444444,%edi */
0xcd, 0x2d, /* int $0x2d */
0xeb, /* jmp $+17 */
0x0f, 0x1f, 0x00, /* nop */
0x31, 0xc0, /* xorl %eax,%eax */
0xeb, 0x0c, /* jmp $+14 */
0x90, 0x90, 0x90, 0x90, /* nop */
0x90, 0x90, 0x90, 0x90,
0x90,
0x31, 0xc0, /* xorl %eax,%eax */
0x40, /* incl %eax */
0x5f, /* popl %edi */
0x5b, /* popl %ebx */
0xc3, /* ret */
#elif defined(__x86_64__)
0x53, /* push %rbx */
0x57, /* push %rdi */
0x48, 0x89, 0xc8, /* movl %rcx,%rax */
0x48, 0xb9, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, /* movabs $0x1111111111111111,%rcx */
0x48, 0xba, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, /* movabs $0x2222222222222222,%rdx */
0x48, 0xbb, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, /* movabs $0x3333333333333333,%rbx */
0x48, 0xbf, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, /* movabs $0x4444444444444444,%rdi */
0xcd, 0x2d, /* int $0x2d */
0xeb, /* jmp $+17 */
0x0f, 0x1f, 0x00, /* nop */
0x48, 0x31, 0xc0, /* xor %rax,%rax */
0xeb, 0x0e, /* jmp $+16 */
0x90, 0x90, 0x90, 0x90, /* nop */
0x90, 0x90, 0x90, 0x90,
0x48, 0x31, 0xc0, /* xor %rax,%rax */
0x48, 0xff, 0xc0, /* inc %rax */
0x5f, /* pop %rdi */
0x5b, /* pop %rbx */
0xc3, /* ret */
#endif
};
#if defined(__i386__) || defined(__x86_64__)
#define OP_BP 0xcc
#else
#define OP_BP 0
#endif
static void test_debugger(const char *argv0)
{
static const char arguments[] = " debugger wait ";
SECURITY_ATTRIBUTES sa = { sizeof(sa), NULL, TRUE };
struct debugger_context ctx = { 0 };
PROCESS_INFORMATION pi;
STARTUPINFOA si;
HANDLE event, thread;
BYTE *mem, buf[4096], *proc_code, *thread_proc, byte;
unsigned int i, worker_cnt, exception_cnt;
struct debuggee_thread *debuggee_thread;
char *cmd;
BOOL ret;
event = CreateEventW(&sa, TRUE, FALSE, NULL);
ok(event != NULL, "CreateEvent failed: %u\n", GetLastError());
cmd = heap_alloc(strlen(argv0) + strlen(arguments) + 16);
sprintf(cmd, "%s%s%x\n", argv0, arguments, (DWORD)(DWORD_PTR)event);
memset(&si, 0, sizeof(si));
si.cb = sizeof(si);
ret = CreateProcessA(NULL, cmd, NULL, NULL, TRUE, DEBUG_PROCESS, NULL, NULL, &si, &pi);
ok(ret, "CreateProcess failed, last error %#x.\n", GetLastError());
heap_free(cmd);
next_event(&ctx, WAIT_EVENT_TIMEOUT);
ok(ctx.ev.dwDebugEventCode == CREATE_PROCESS_DEBUG_EVENT, "dwDebugEventCode = %d\n", ctx.ev.dwDebugEventCode);
wait_for_breakpoint(&ctx);
do next_event(&ctx, POLL_EVENT_TIMEOUT);
while(ctx.ev.dwDebugEventCode != -1);
mem = VirtualAllocEx(pi.hProcess, NULL, sizeof(buf), MEM_COMMIT, PAGE_EXECUTE_READWRITE);
ok(mem != NULL, "VirtualAllocEx failed: %u\n", GetLastError());
proc_code = buf + 1024;
thread_proc = mem + 1024;
if (sizeof(loop_code) > 1)
{
/* test single-step exceptions */
memset(buf, OP_BP, sizeof(buf));
memcpy(proc_code, &loop_code, sizeof(loop_code));
proc_code[0] = OP_BP; /* set a breakpoint */
ret = WriteProcessMemory(pi.hProcess, mem, buf, sizeof(buf), NULL);
ok(ret, "WriteProcessMemory failed: %u\n", GetLastError());
thread = CreateRemoteThread(pi.hProcess, NULL, 0, (void*)thread_proc, NULL, 0, NULL);
ok(thread != NULL, "CreateRemoteThread failed: %u\n", GetLastError());
expect_event(&ctx, CREATE_THREAD_DEBUG_EVENT);
debuggee_thread = get_debuggee_thread(&ctx, ctx.ev.dwThreadId);
wait_for_breakpoint(&ctx);
fetch_thread_context(debuggee_thread);
ok(ctx.ev.u.Exception.ExceptionRecord.ExceptionAddress == thread_proc,
"ExceptionAddress = %p\n", ctx.ev.u.Exception.ExceptionRecord.ExceptionAddress);
ok(get_ip(&debuggee_thread->ctx) == thread_proc + 1, "unexpected instruction pointer %p\n",
get_ip(&debuggee_thread->ctx));
single_step(&ctx, debuggee_thread, thread_proc + 2);
single_step(&ctx, debuggee_thread, thread_proc + 3);
single_step(&ctx, debuggee_thread, thread_proc);
byte = 0xc3; /* ret */
ret = WriteProcessMemory(pi.hProcess, thread_proc, &byte, 1, NULL);
ok(ret, "WriteProcessMemory failed: %u\n", GetLastError());
expect_event(&ctx, EXIT_THREAD_DEBUG_EVENT);
}
else win_skip("loop_code not supported on this architecture\n");
if (sizeof(call_debug_service_code) > 1)
{
/* test debug service exceptions */
memset(buf, OP_BP, sizeof(buf));
memcpy(proc_code, call_debug_service_code, sizeof(call_debug_service_code));
ret = WriteProcessMemory(pi.hProcess, mem, buf, sizeof(buf), NULL);
ok(ret, "WriteProcessMemory failed: %u\n", GetLastError());
/* BREAKPOINT_PRINT */
thread = CreateRemoteThread(pi.hProcess, NULL, 0, (void*)thread_proc, (void*)2, 0, NULL);
ok(thread != NULL, "CreateRemoteThread failed: %u\n", GetLastError());
expect_event(&ctx, CREATE_THREAD_DEBUG_EVENT);
expect_breakpoint_exception(&ctx, NULL);
expect_event(&ctx, EXIT_THREAD_DEBUG_EVENT);
/* BREAKPOINT_PROMPT */
thread = CreateRemoteThread(pi.hProcess, NULL, 0, (void*)thread_proc, (void*)1, 0, NULL);
ok(thread != NULL, "CreateRemoteThread failed: %u\n", GetLastError());
expect_event(&ctx, CREATE_THREAD_DEBUG_EVENT);
next_event(&ctx, WAIT_EVENT_TIMEOUT);
/* some 32-bit Windows versions report exception to the debugger */
if (sizeof(void *) == 4 && ctx.ev.dwDebugEventCode == EXCEPTION_DEBUG_EVENT) next_event(&ctx, WAIT_EVENT_TIMEOUT);
ok(ctx.ev.dwDebugEventCode == EXIT_THREAD_DEBUG_EVENT, "unexpected debug event %u\n", ctx.ev.dwDebugEventCode);
}
else win_skip("call_debug_service_code not supported on this architecture\n");
if (sizeof(loop_code) > 1)
{
struct debuggee_thread *prev_thread;
memset(buf, OP_BP, sizeof(buf));
memcpy(proc_code, &loop_code, sizeof(loop_code));
ret = WriteProcessMemory(pi.hProcess, mem, buf, sizeof(buf), NULL);
ok(ret, "WriteProcessMemory failed: %u\n", GetLastError());
ctx.thread_tag = 1;
worker_cnt = 20;
for (i = 0; i < worker_cnt; i++)
{
thread = CreateRemoteThread(pi.hProcess, NULL, 0, (void*)thread_proc, NULL, 0, NULL);
ok(thread != NULL, "CreateRemoteThread failed: %u\n", GetLastError());
next_event(&ctx, WAIT_EVENT_TIMEOUT);
ok(ctx.ev.dwDebugEventCode == CREATE_THREAD_DEBUG_EVENT, "dwDebugEventCode = %d\n", ctx.ev.dwDebugEventCode);
ret = CloseHandle(thread);
ok(ret, "CloseHandle failed, last error %d.\n", GetLastError());
}
byte = OP_BP;
ret = WriteProcessMemory(pi.hProcess, thread_proc + 1, &byte, 1, NULL);
ok(ret, "WriteProcessMemory failed: %u\n", GetLastError());
expect_breakpoint_exception(&ctx, thread_proc + 1);
exception_cnt = 1;
prev_thread = ctx.current_thread;
fetch_process_context(&ctx);
byte = 0xc3; /* ret */
ret = WriteProcessMemory(pi.hProcess, thread_proc + 1, &byte, 1, NULL);
ok(ret, "WriteProcessMemory failed: %u\n", GetLastError());
for (;;)
{
DEBUG_EVENT ev;
/* even when there are more pending events, they are not reported until current event is continued */
ret = WaitForDebugEvent(&ev, 10);
ok(GetLastError() == ERROR_SEM_TIMEOUT, "WaitForDebugEvent returned %x(%u)\n", ret, GetLastError());
next_event(&ctx, POLL_EVENT_TIMEOUT);
if (ctx.ev.dwDebugEventCode != EXCEPTION_DEBUG_EVENT) break;
trace("exception at %p in thread %04x\n", ctx.ev.u.Exception.ExceptionRecord.ExceptionAddress, ctx.ev.dwThreadId);
ok(ctx.ev.u.Exception.ExceptionRecord.ExceptionCode == EXCEPTION_BREAKPOINT, "ExceptionCode = %x\n",
ctx.ev.u.Exception.ExceptionRecord.ExceptionCode);
ok(ctx.ev.u.Exception.ExceptionRecord.ExceptionAddress == thread_proc + 1,
"ExceptionAddress = %p\n", ctx.ev.u.Exception.ExceptionRecord.ExceptionAddress);
ok(get_ip(&prev_thread->ctx) == thread_proc + 2
|| broken(get_ip(&prev_thread->ctx) == thread_proc), /* sometimes observed on win10 */
"unexpected instruction pointer %p\n", get_ip(&prev_thread->ctx));
prev_thread = ctx.current_thread;
exception_cnt++;
}
/* for some reason sometimes on Windows one thread has a different address. this is always the thread
* with the last reported exception, so we simply skip the check for the last exception unless it's the only one. */
if (exception_cnt == 1)
ok(get_ip(&prev_thread->ctx) == thread_proc + 2, "unexpected instruction pointer %p\n", get_ip(&prev_thread->ctx));
trace("received %u exceptions\n", exception_cnt);
for (;;)
{
ok(ctx.ev.dwDebugEventCode == EXIT_THREAD_DEBUG_EVENT
|| broken(ctx.ev.dwDebugEventCode == CREATE_THREAD_DEBUG_EVENT), /* sometimes happens on vista */
"dwDebugEventCode = %d\n", ctx.ev.dwDebugEventCode);
if (ctx.ev.dwDebugEventCode == EXIT_THREAD_DEBUG_EVENT && !--worker_cnt) break;
next_event(&ctx, WAIT_EVENT_TIMEOUT);
}
}
SetEvent(event);
do
{
next_event(&ctx, WAIT_EVENT_TIMEOUT);
ok (ctx.ev.dwDebugEventCode != EXCEPTION_DEBUG_EVENT, "got exception\n");
}
while (ctx.ev.dwDebugEventCode != EXIT_PROCESS_DEBUG_EVENT);
ret = CloseHandle(event);
ok(ret, "CloseHandle failed, last error %d.\n", GetLastError());
ret = CloseHandle(pi.hThread);
ok(ret, "CloseHandle failed, last error %d.\n", GetLastError());
ret = CloseHandle(pi.hProcess);
ok(ret, "CloseHandle failed, last error %d.\n", GetLastError());
}
START_TEST(debugger)
{
HMODULE hdll;
hdll=GetModuleHandleA("kernel32.dll");
pCheckRemoteDebuggerPresent=(void*)GetProcAddress(hdll, "CheckRemoteDebuggerPresent");
ntdll = GetModuleHandleA("ntdll.dll");
pDbgBreakPoint = (void*)GetProcAddress(ntdll, "DbgBreakPoint");
myARGC=winetest_get_mainargs(&myARGV);
if (myARGC >= 3 && strcmp(myARGV[2], "crash") == 0)
{
doCrash();
}
else if (myARGC >= 3 && strncmp(myARGV[2], "dbg,", 4) == 0)
{
doDebugger(myARGC, myARGV);
}
else if (myARGC >= 5 && !strcmp(myARGV[2], "child"))
{
doChild(myARGC, myARGV);
}
else if (myARGC >= 4 && !strcmp(myARGV[2], "children"))
{
doChildren(myARGC, myARGV);
}
else if (myARGC >= 4 && !strcmp(myARGV[2], "wait"))
{
DWORD event;
sscanf(myARGV[3], "%x", &event);
wait_debugger((HANDLE)(DWORD_PTR)event);
}
else
{
test_ExitCode();
test_RemoteDebugger();
test_debug_loop(myARGC, myARGV);
test_debug_children(myARGV[0], DEBUG_PROCESS, TRUE, FALSE);
test_debug_children(myARGV[0], DEBUG_ONLY_THIS_PROCESS, FALSE, FALSE);
test_debug_children(myARGV[0], DEBUG_PROCESS|DEBUG_ONLY_THIS_PROCESS, FALSE, FALSE);
test_debug_children(myARGV[0], 0, FALSE, FALSE);
test_debug_children(myARGV[0], 0, FALSE, TRUE);
test_debugger(myARGV[0]);
}
}