mirror of
git://source.winehq.org/git/wine.git
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984 lines
31 KiB
C
984 lines
31 KiB
C
/*
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* Wine debugger - back-end for an active target
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*
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* Copyright 2000-2006 Eric Pouech
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdarg.h>
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#include "debugger.h"
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#include "psapi.h"
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#include "resource.h"
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#include "winternl.h"
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#include "wine/debug.h"
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#include "wine/exception.h"
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#include "wine/unicode.h"
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WINE_DEFAULT_DEBUG_CHANNEL(winedbg);
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static char* dbg_last_cmd_line;
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static struct be_process_io be_process_active_io;
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static void dbg_init_current_process(void)
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{
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}
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static void dbg_init_current_thread(void* start)
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{
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if (start)
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{
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if (list_count(&dbg_curr_process->threads) == 1 /* first thread ? */ &&
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DBG_IVAR(BreakAllThreadsStartup))
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{
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ADDRESS64 addr;
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break_set_xpoints(FALSE);
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addr.Mode = AddrModeFlat;
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addr.Offset = (DWORD_PTR)start;
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break_add_break(&addr, TRUE, TRUE);
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break_set_xpoints(TRUE);
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}
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}
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}
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static unsigned dbg_handle_debug_event(DEBUG_EVENT* de);
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/******************************************************************
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* dbg_attach_debuggee
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*
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* Sets the debuggee to <pid>
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* cofe instructs winedbg what to do when first exception is received
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* (break=FALSE, continue=TRUE)
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* wfe is set to TRUE if dbg_attach_debuggee should also proceed with all debug events
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* until the first exception is received (aka: attach to an already running process)
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*/
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BOOL dbg_attach_debuggee(DWORD pid, BOOL cofe)
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{
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if (!(dbg_curr_process = dbg_add_process(&be_process_active_io, pid, 0))) return FALSE;
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if (!DebugActiveProcess(pid))
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{
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dbg_printf("Can't attach process %04x: error %u\n", pid, GetLastError());
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dbg_del_process(dbg_curr_process);
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return FALSE;
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}
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dbg_curr_process->continue_on_first_exception = cofe;
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SetEnvironmentVariableA("DBGHELP_NOLIVE", NULL);
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dbg_curr_process->active_debuggee = TRUE;
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return TRUE;
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}
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static unsigned dbg_fetch_context(void)
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{
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dbg_context.ContextFlags = CONTEXT_CONTROL
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| CONTEXT_INTEGER
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#ifdef CONTEXT_FLOATING_POINT
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| CONTEXT_FLOATING_POINT
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#endif
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#ifdef CONTEXT_SEGMENTS
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| CONTEXT_SEGMENTS
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#endif
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#ifdef CONTEXT_DEBUG_REGISTERS
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| CONTEXT_DEBUG_REGISTERS
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#endif
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;
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if (!GetThreadContext(dbg_curr_thread->handle, &dbg_context))
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{
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WINE_WARN("Can't get thread's context\n");
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return FALSE;
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}
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return TRUE;
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}
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/***********************************************************************
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* dbg_exception_prolog
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*
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* Examine exception and decide if interactive mode is entered(return TRUE)
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* or exception is silently continued(return FALSE)
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* is_debug means the exception is a breakpoint or single step exception
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*/
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static unsigned dbg_exception_prolog(BOOL is_debug, const EXCEPTION_RECORD* rec)
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{
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ADDRESS64 addr;
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BOOL is_break;
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memory_get_current_pc(&addr);
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break_suspend_execution();
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/* this will resynchronize builtin dbghelp's internal ELF module list */
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SymLoadModule(dbg_curr_process->handle, 0, 0, 0, 0, 0);
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if (is_debug) break_adjust_pc(&addr, rec->ExceptionCode, dbg_curr_thread->first_chance, &is_break);
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/*
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* Do a quiet backtrace so that we have an idea of what the situation
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* is WRT the source files.
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*/
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stack_fetch_frames(&dbg_context);
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if (is_debug && !is_break && break_should_continue(&addr, rec->ExceptionCode))
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return FALSE;
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if (addr.Mode != dbg_curr_thread->addr_mode)
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{
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const char* name = NULL;
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switch (addr.Mode)
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{
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case AddrMode1616: name = "16 bit"; break;
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case AddrMode1632: name = "segmented 32 bit"; break;
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case AddrModeReal: name = "vm86"; break;
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case AddrModeFlat: name = be_cpu->pointer_size == 4 ? "32 bit" : "64 bit"; break;
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}
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dbg_printf("In %s mode.\n", name);
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dbg_curr_thread->addr_mode = addr.Mode;
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}
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display_print();
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if (!is_debug)
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{
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/* This is a real crash, dump some info */
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be_cpu->print_context(dbg_curr_thread->handle, &dbg_context, 0);
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stack_info(-1);
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be_cpu->print_segment_info(dbg_curr_thread->handle, &dbg_context);
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stack_backtrace(dbg_curr_tid);
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}
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else
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{
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static char* last_name;
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static char* last_file;
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char buffer[sizeof(SYMBOL_INFO) + 256];
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SYMBOL_INFO* si = (SYMBOL_INFO*)buffer;
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void* lin = memory_to_linear_addr(&addr);
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DWORD64 disp64;
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IMAGEHLP_LINE64 il;
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DWORD disp;
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si->SizeOfStruct = sizeof(*si);
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si->MaxNameLen = 256;
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il.SizeOfStruct = sizeof(il);
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if (SymFromAddr(dbg_curr_process->handle, (DWORD_PTR)lin, &disp64, si) &&
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SymGetLineFromAddr64(dbg_curr_process->handle, (DWORD_PTR)lin, &disp, &il))
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{
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if ((!last_name || strcmp(last_name, si->Name)) ||
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(!last_file || strcmp(last_file, il.FileName)))
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{
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HeapFree(GetProcessHeap(), 0, last_name);
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HeapFree(GetProcessHeap(), 0, last_file);
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last_name = strcpy(HeapAlloc(GetProcessHeap(), 0, strlen(si->Name) + 1), si->Name);
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last_file = strcpy(HeapAlloc(GetProcessHeap(), 0, strlen(il.FileName) + 1), il.FileName);
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dbg_printf("%s () at %s:%u\n", last_name, last_file, il.LineNumber);
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}
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}
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}
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if (!is_debug || is_break ||
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dbg_curr_thread->exec_mode == dbg_exec_step_over_insn ||
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dbg_curr_thread->exec_mode == dbg_exec_step_into_insn)
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{
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ADDRESS64 tmp = addr;
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/* Show where we crashed */
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memory_disasm_one_insn(&tmp);
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}
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source_list_from_addr(&addr, 0);
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return TRUE;
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}
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static void dbg_exception_epilog(void)
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{
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break_restart_execution(dbg_curr_thread->exec_count);
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/*
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* This will have gotten absorbed into the breakpoint info
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* if it was used. Otherwise it would have been ignored.
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* In any case, we don't mess with it any more.
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*/
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if (dbg_curr_thread->exec_mode == dbg_exec_cont)
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dbg_curr_thread->exec_count = 0;
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dbg_curr_thread->in_exception = FALSE;
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}
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static DWORD dbg_handle_exception(const EXCEPTION_RECORD* rec, BOOL first_chance)
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{
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BOOL is_debug = FALSE;
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const THREADNAME_INFO* pThreadName;
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struct dbg_thread* pThread;
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assert(dbg_curr_thread);
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WINE_TRACE("exception=%x first_chance=%c\n",
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rec->ExceptionCode, first_chance ? 'Y' : 'N');
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switch (rec->ExceptionCode)
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{
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case EXCEPTION_BREAKPOINT:
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case EXCEPTION_SINGLE_STEP:
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is_debug = TRUE;
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break;
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case EXCEPTION_NAME_THREAD:
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pThreadName = (const THREADNAME_INFO*)(rec->ExceptionInformation);
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if (pThreadName->dwThreadID == -1)
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pThread = dbg_curr_thread;
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else
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pThread = dbg_get_thread(dbg_curr_process, pThreadName->dwThreadID);
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if(!pThread)
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{
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dbg_printf("Thread ID=%04x not in our list of threads -> can't rename\n", pThreadName->dwThreadID);
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return DBG_CONTINUE;
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}
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if (dbg_read_memory(pThreadName->szName, pThread->name, 9))
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dbg_printf("Thread ID=%04x renamed using MS VC6 extension (name==\"%.9s\")\n",
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pThread->tid, pThread->name);
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return DBG_CONTINUE;
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}
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if (first_chance && !is_debug && !DBG_IVAR(BreakOnFirstChance) &&
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!(rec->ExceptionFlags & EH_STACK_INVALID))
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{
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/* pass exception to program except for debug exceptions */
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return DBG_EXCEPTION_NOT_HANDLED;
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}
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dbg_curr_thread->excpt_record = *rec;
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dbg_curr_thread->in_exception = TRUE;
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dbg_curr_thread->first_chance = first_chance;
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if (!is_debug) info_win32_exception();
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if (rec->ExceptionCode == STATUS_POSSIBLE_DEADLOCK && !DBG_IVAR(BreakOnCritSectTimeOut))
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{
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dbg_curr_thread->in_exception = FALSE;
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return DBG_EXCEPTION_NOT_HANDLED;
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}
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if (dbg_exception_prolog(is_debug, rec))
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{
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dbg_interactiveP = TRUE;
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return 0;
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}
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dbg_exception_epilog();
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return DBG_CONTINUE;
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}
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static BOOL tgt_process_active_close_process(struct dbg_process* pcs, BOOL kill);
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static void fetch_module_name(void* name_addr, BOOL unicode, void* mod_addr,
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WCHAR* buffer, size_t bufsz, BOOL is_pcs)
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{
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static WCHAR pcspid[] = {'P','r','o','c','e','s','s','_','%','0','8','x',0};
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static WCHAR dlladdr[] = {'D','L','L','_','%','0','8','l','x',0};
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memory_get_string_indirect(dbg_curr_process, name_addr, unicode, buffer, bufsz);
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if (!buffer[0] &&
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!GetModuleFileNameExW(dbg_curr_process->handle, mod_addr, buffer, bufsz))
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{
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if (is_pcs)
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{
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HMODULE h;
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WORD (WINAPI *gpif)(HANDLE, LPWSTR, DWORD);
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/* On Windows, when we get the process creation debug event for a process
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* created by winedbg, the modules' list is not initialized yet. Hence,
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* GetModuleFileNameExA (on the main module) will generate an error.
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* Psapi (starting on XP) provides GetProcessImageFileName() which should
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* give us the expected result
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*/
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if (!(h = GetModuleHandleA("psapi")) ||
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!(gpif = (void*)GetProcAddress(h, "GetProcessImageFileNameW")) ||
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!(gpif)(dbg_curr_process->handle, buffer, bufsz))
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snprintfW(buffer, bufsz, pcspid, dbg_curr_pid);
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}
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else
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snprintfW(buffer, bufsz, dlladdr, (unsigned long)mod_addr);
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}
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}
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static unsigned dbg_handle_debug_event(DEBUG_EVENT* de)
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{
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union {
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char bufferA[256];
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WCHAR buffer[256];
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} u;
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DWORD cont = DBG_CONTINUE;
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dbg_curr_pid = de->dwProcessId;
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dbg_curr_tid = de->dwThreadId;
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if ((dbg_curr_process = dbg_get_process(de->dwProcessId)) != NULL)
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dbg_curr_thread = dbg_get_thread(dbg_curr_process, de->dwThreadId);
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else
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dbg_curr_thread = NULL;
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switch (de->dwDebugEventCode)
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{
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case EXCEPTION_DEBUG_EVENT:
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if (!dbg_curr_thread)
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{
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WINE_ERR("%04x:%04x: not a registered process or thread (perhaps a 16 bit one ?)\n",
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de->dwProcessId, de->dwThreadId);
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break;
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}
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WINE_TRACE("%04x:%04x: exception code=%08x\n",
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de->dwProcessId, de->dwThreadId,
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de->u.Exception.ExceptionRecord.ExceptionCode);
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if (dbg_curr_process->continue_on_first_exception)
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{
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dbg_curr_process->continue_on_first_exception = FALSE;
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if (!DBG_IVAR(BreakOnAttach)) break;
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}
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if (dbg_fetch_context())
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{
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cont = dbg_handle_exception(&de->u.Exception.ExceptionRecord,
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de->u.Exception.dwFirstChance);
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if (cont && dbg_curr_thread)
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{
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SetThreadContext(dbg_curr_thread->handle, &dbg_context);
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}
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}
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break;
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case CREATE_PROCESS_DEBUG_EVENT:
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dbg_curr_process = dbg_add_process(&be_process_active_io, de->dwProcessId,
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de->u.CreateProcessInfo.hProcess);
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if (dbg_curr_process == NULL)
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{
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WINE_ERR("Couldn't create process\n");
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break;
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}
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fetch_module_name(de->u.CreateProcessInfo.lpImageName,
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de->u.CreateProcessInfo.fUnicode,
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de->u.CreateProcessInfo.lpBaseOfImage,
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u.buffer, sizeof(u.buffer) / sizeof(WCHAR), TRUE);
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WINE_TRACE("%04x:%04x: create process '%s'/%p @%p (%u<%u>)\n",
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de->dwProcessId, de->dwThreadId,
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wine_dbgstr_w(u.buffer),
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de->u.CreateProcessInfo.lpImageName,
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de->u.CreateProcessInfo.lpStartAddress,
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de->u.CreateProcessInfo.dwDebugInfoFileOffset,
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de->u.CreateProcessInfo.nDebugInfoSize);
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dbg_set_process_name(dbg_curr_process, u.buffer);
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if (!dbg_init(dbg_curr_process->handle, u.buffer, FALSE))
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dbg_printf("Couldn't initiate DbgHelp\n");
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if (!dbg_load_module(dbg_curr_process->handle, de->u.CreateProcessInfo.hFile, u.buffer,
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(DWORD_PTR)de->u.CreateProcessInfo.lpBaseOfImage, 0))
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dbg_printf("couldn't load main module (%u)\n", GetLastError());
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WINE_TRACE("%04x:%04x: create thread I @%p\n",
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de->dwProcessId, de->dwThreadId, de->u.CreateProcessInfo.lpStartAddress);
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dbg_curr_thread = dbg_add_thread(dbg_curr_process,
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de->dwThreadId,
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de->u.CreateProcessInfo.hThread,
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de->u.CreateProcessInfo.lpThreadLocalBase);
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if (!dbg_curr_thread)
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{
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WINE_ERR("Couldn't create thread\n");
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break;
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}
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dbg_init_current_process();
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dbg_init_current_thread(de->u.CreateProcessInfo.lpStartAddress);
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break;
|
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case EXIT_PROCESS_DEBUG_EVENT:
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WINE_TRACE("%04x:%04x: exit process (%d)\n",
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de->dwProcessId, de->dwThreadId, de->u.ExitProcess.dwExitCode);
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|
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if (dbg_curr_process == NULL)
|
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{
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WINE_ERR("Unknown process\n");
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break;
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}
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tgt_process_active_close_process(dbg_curr_process, FALSE);
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dbg_printf("Process of pid=%04x has terminated\n", de->dwProcessId);
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break;
|
|
|
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case CREATE_THREAD_DEBUG_EVENT:
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WINE_TRACE("%04x:%04x: create thread D @%p\n",
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de->dwProcessId, de->dwThreadId, de->u.CreateThread.lpStartAddress);
|
|
|
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if (dbg_curr_process == NULL)
|
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{
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WINE_ERR("Unknown process\n");
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break;
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}
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if (dbg_get_thread(dbg_curr_process, de->dwThreadId) != NULL)
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{
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WINE_TRACE("Thread already listed, skipping\n");
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break;
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|
}
|
|
|
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dbg_curr_thread = dbg_add_thread(dbg_curr_process,
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de->dwThreadId,
|
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de->u.CreateThread.hThread,
|
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de->u.CreateThread.lpThreadLocalBase);
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if (!dbg_curr_thread)
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{
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WINE_ERR("Couldn't create thread\n");
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break;
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}
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dbg_init_current_thread(de->u.CreateThread.lpStartAddress);
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break;
|
|
|
|
case EXIT_THREAD_DEBUG_EVENT:
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WINE_TRACE("%04x:%04x: exit thread (%d)\n",
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de->dwProcessId, de->dwThreadId, de->u.ExitThread.dwExitCode);
|
|
|
|
if (dbg_curr_thread == NULL)
|
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{
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WINE_ERR("Unknown thread\n");
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break;
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}
|
|
/* FIXME: remove break point set on thread startup */
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dbg_del_thread(dbg_curr_thread);
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break;
|
|
|
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case LOAD_DLL_DEBUG_EVENT:
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if (dbg_curr_thread == NULL)
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{
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WINE_ERR("Unknown thread\n");
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break;
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}
|
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fetch_module_name(de->u.LoadDll.lpImageName,
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de->u.LoadDll.fUnicode,
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de->u.LoadDll.lpBaseOfDll,
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u.buffer, sizeof(u.buffer) / sizeof(WCHAR), FALSE);
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|
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WINE_TRACE("%04x:%04x: loads DLL %s @%p (%u<%u>)\n",
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de->dwProcessId, de->dwThreadId,
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wine_dbgstr_w(u.buffer), de->u.LoadDll.lpBaseOfDll,
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de->u.LoadDll.dwDebugInfoFileOffset,
|
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de->u.LoadDll.nDebugInfoSize);
|
|
dbg_load_module(dbg_curr_process->handle, de->u.LoadDll.hFile, u.buffer,
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(DWORD_PTR)de->u.LoadDll.lpBaseOfDll, 0);
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break_set_xpoints(FALSE);
|
|
break_check_delayed_bp();
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break_set_xpoints(TRUE);
|
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if (DBG_IVAR(BreakOnDllLoad))
|
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{
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dbg_printf("Stopping on DLL %s loading at %p\n",
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|
dbg_W2A(u.buffer, -1), de->u.LoadDll.lpBaseOfDll);
|
|
if (dbg_fetch_context()) cont = 0;
|
|
}
|
|
break;
|
|
|
|
case UNLOAD_DLL_DEBUG_EVENT:
|
|
WINE_TRACE("%04x:%04x: unload DLL @%p\n",
|
|
de->dwProcessId, de->dwThreadId,
|
|
de->u.UnloadDll.lpBaseOfDll);
|
|
break_delete_xpoints_from_module((DWORD_PTR)de->u.UnloadDll.lpBaseOfDll);
|
|
SymUnloadModule64(dbg_curr_process->handle, (DWORD_PTR)de->u.UnloadDll.lpBaseOfDll);
|
|
break;
|
|
|
|
case OUTPUT_DEBUG_STRING_EVENT:
|
|
if (dbg_curr_thread == NULL)
|
|
{
|
|
WINE_ERR("Unknown thread\n");
|
|
break;
|
|
}
|
|
|
|
memory_get_string(dbg_curr_process,
|
|
de->u.DebugString.lpDebugStringData, TRUE,
|
|
de->u.DebugString.fUnicode, u.bufferA, sizeof(u.bufferA));
|
|
WINE_TRACE("%04x:%04x: output debug string (%s)\n",
|
|
de->dwProcessId, de->dwThreadId, u.bufferA);
|
|
break;
|
|
|
|
case RIP_EVENT:
|
|
WINE_TRACE("%04x:%04x: rip error=%u type=%u\n",
|
|
de->dwProcessId, de->dwThreadId, de->u.RipInfo.dwError,
|
|
de->u.RipInfo.dwType);
|
|
break;
|
|
|
|
default:
|
|
WINE_TRACE("%04x:%04x: unknown event (%x)\n",
|
|
de->dwProcessId, de->dwThreadId, de->dwDebugEventCode);
|
|
}
|
|
if (!cont) return TRUE; /* stop execution */
|
|
ContinueDebugEvent(de->dwProcessId, de->dwThreadId, cont);
|
|
return FALSE; /* continue execution */
|
|
}
|
|
|
|
static void dbg_resume_debuggee(DWORD cont)
|
|
{
|
|
if (dbg_curr_thread->in_exception)
|
|
{
|
|
ADDRESS64 addr;
|
|
char hexbuf[MAX_OFFSET_TO_STR_LEN];
|
|
|
|
dbg_exception_epilog();
|
|
memory_get_current_pc(&addr);
|
|
WINE_TRACE("Exiting debugger PC=%s mode=%d count=%d\n",
|
|
memory_offset_to_string(hexbuf, addr.Offset, 0),
|
|
dbg_curr_thread->exec_mode,
|
|
dbg_curr_thread->exec_count);
|
|
if (dbg_curr_thread)
|
|
{
|
|
if (!SetThreadContext(dbg_curr_thread->handle, &dbg_context))
|
|
dbg_printf("Cannot set ctx on %04lx\n", dbg_curr_tid);
|
|
}
|
|
}
|
|
dbg_interactiveP = FALSE;
|
|
if (!ContinueDebugEvent(dbg_curr_pid, dbg_curr_tid, cont))
|
|
dbg_printf("Cannot continue on %04lx (%08x)\n", dbg_curr_tid, cont);
|
|
}
|
|
|
|
static void wait_exception(void)
|
|
{
|
|
DEBUG_EVENT de;
|
|
|
|
while (dbg_num_processes() && WaitForDebugEvent(&de, INFINITE))
|
|
{
|
|
if (dbg_handle_debug_event(&de)) break;
|
|
}
|
|
dbg_interactiveP = TRUE;
|
|
}
|
|
|
|
void dbg_wait_next_exception(DWORD cont, int count, int mode)
|
|
{
|
|
ADDRESS64 addr;
|
|
char hexbuf[MAX_OFFSET_TO_STR_LEN];
|
|
|
|
if (cont == DBG_CONTINUE)
|
|
{
|
|
dbg_curr_thread->exec_count = count;
|
|
dbg_curr_thread->exec_mode = mode;
|
|
}
|
|
dbg_resume_debuggee(cont);
|
|
|
|
wait_exception();
|
|
if (!dbg_curr_process) return;
|
|
|
|
memory_get_current_pc(&addr);
|
|
WINE_TRACE("Entering debugger PC=%s mode=%d count=%d\n",
|
|
memory_offset_to_string(hexbuf, addr.Offset, 0),
|
|
dbg_curr_thread->exec_mode,
|
|
dbg_curr_thread->exec_count);
|
|
}
|
|
|
|
void dbg_active_wait_for_first_exception(void)
|
|
{
|
|
dbg_interactiveP = FALSE;
|
|
/* wait for first exception */
|
|
wait_exception();
|
|
}
|
|
|
|
static unsigned dbg_start_debuggee(LPSTR cmdLine)
|
|
{
|
|
PROCESS_INFORMATION info;
|
|
STARTUPINFOA startup, current;
|
|
DWORD flags;
|
|
|
|
GetStartupInfoA(¤t);
|
|
|
|
memset(&startup, 0, sizeof(startup));
|
|
startup.cb = sizeof(startup);
|
|
startup.dwFlags = STARTF_USESHOWWINDOW;
|
|
|
|
startup.wShowWindow = (current.dwFlags & STARTF_USESHOWWINDOW) ?
|
|
current.wShowWindow : SW_SHOWNORMAL;
|
|
|
|
/* FIXME: shouldn't need the CREATE_NEW_CONSOLE, but as usual CUI:s need it
|
|
* while GUI:s don't
|
|
*/
|
|
flags = DEBUG_PROCESS | CREATE_NEW_CONSOLE;
|
|
if (!DBG_IVAR(AlsoDebugProcChild)) flags |= DEBUG_ONLY_THIS_PROCESS;
|
|
|
|
if (!CreateProcessA(NULL, cmdLine, NULL, NULL, FALSE, flags,
|
|
NULL, NULL, &startup, &info))
|
|
{
|
|
dbg_printf("Couldn't start process '%s'\n", cmdLine);
|
|
return FALSE;
|
|
}
|
|
if (!info.dwProcessId)
|
|
{
|
|
/* this happens when the program being run is not a Wine binary
|
|
* (for example, a shell wrapper around a WineLib app)
|
|
*/
|
|
/* Current fix: list running processes and let the user attach
|
|
* to one of them (sic)
|
|
* FIXME: implement a real fix => grab the process (from the
|
|
* running processes) from its name
|
|
*/
|
|
dbg_printf("Debuggee has been started (%s)\n"
|
|
"But WineDbg isn't attached to it. Maybe you're trying to debug a winelib wrapper ??\n"
|
|
"Try to attach to one of those processes:\n", cmdLine);
|
|
/* FIXME: (HACK) we need some time before the wrapper executes the winelib app */
|
|
Sleep(100);
|
|
info_win32_processes();
|
|
return TRUE;
|
|
}
|
|
dbg_curr_pid = info.dwProcessId;
|
|
if (!(dbg_curr_process = dbg_add_process(&be_process_active_io, dbg_curr_pid, 0))) return FALSE;
|
|
dbg_curr_process->active_debuggee = TRUE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
void dbg_run_debuggee(const char* args)
|
|
{
|
|
if (args)
|
|
{
|
|
WINE_FIXME("Re-running current program with %s as args is broken\n", wine_dbgstr_a(args));
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
if (!dbg_last_cmd_line)
|
|
{
|
|
dbg_printf("Cannot find previously used command line.\n");
|
|
return;
|
|
}
|
|
dbg_start_debuggee(dbg_last_cmd_line);
|
|
dbg_active_wait_for_first_exception();
|
|
source_list_from_addr(NULL, 0);
|
|
}
|
|
}
|
|
|
|
static BOOL str2int(const char* str, DWORD_PTR* val)
|
|
{
|
|
char* ptr;
|
|
|
|
*val = strtol(str, &ptr, 10);
|
|
return str < ptr && !*ptr;
|
|
}
|
|
|
|
static HANDLE create_temp_file(void)
|
|
{
|
|
static const WCHAR prefixW[] = {'w','d','b',0};
|
|
WCHAR path[MAX_PATH], name[MAX_PATH];
|
|
|
|
if (!GetTempPathW( MAX_PATH, path ) || !GetTempFileNameW( path, prefixW, 0, name ))
|
|
return INVALID_HANDLE_VALUE;
|
|
return CreateFileW( name, GENERIC_READ|GENERIC_WRITE|DELETE, FILE_SHARE_DELETE,
|
|
NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_DELETE_ON_CLOSE, 0 );
|
|
}
|
|
|
|
static void output_system_info(void)
|
|
{
|
|
#ifdef __i386__
|
|
static const char platform[] = "i386";
|
|
#elif defined(__x86_64__)
|
|
static const char platform[] = "x86_64";
|
|
#elif defined(__powerpc__)
|
|
static const char platform[] = "powerpc";
|
|
#elif defined(__arm__)
|
|
static const char platform[] = "arm";
|
|
#elif defined(__aarch64__)
|
|
static const char platform[] = "arm64";
|
|
#else
|
|
# error CPU unknown
|
|
#endif
|
|
|
|
const char *(CDECL *wine_get_build_id)(void);
|
|
void (CDECL *wine_get_host_version)( const char **sysname, const char **release );
|
|
BOOL is_wow64;
|
|
|
|
wine_get_build_id = (void *)GetProcAddress(GetModuleHandleA("ntdll.dll"), "wine_get_build_id");
|
|
wine_get_host_version = (void *)GetProcAddress(GetModuleHandleA("ntdll.dll"), "wine_get_host_version");
|
|
if (!IsWow64Process( dbg_curr_process->handle, &is_wow64 )) is_wow64 = FALSE;
|
|
|
|
dbg_printf( "System information:\n" );
|
|
if (wine_get_build_id) dbg_printf( " Wine build: %s\n", wine_get_build_id() );
|
|
dbg_printf( " Platform: %s%s\n", platform, is_wow64 ? " (WOW64)" : "" );
|
|
if (wine_get_host_version)
|
|
{
|
|
const char *sysname, *release;
|
|
wine_get_host_version( &sysname, &release );
|
|
dbg_printf( " Host system: %s\n", sysname );
|
|
dbg_printf( " Host version: %s\n", release );
|
|
}
|
|
}
|
|
|
|
/******************************************************************
|
|
* dbg_active_attach
|
|
*
|
|
* Tries to attach to a running process
|
|
* Handles the <pid> or <pid> <evt> forms
|
|
*/
|
|
enum dbg_start dbg_active_attach(int argc, char* argv[])
|
|
{
|
|
DWORD_PTR pid, evt;
|
|
|
|
/* try the form <myself> pid */
|
|
if (argc == 1 && str2int(argv[0], &pid) && pid != 0)
|
|
{
|
|
if (!dbg_attach_debuggee(pid, FALSE))
|
|
return start_error_init;
|
|
}
|
|
/* try the form <myself> pid evt (Win32 JIT debugger) */
|
|
else if (argc == 2 && str2int(argv[0], &pid) && pid != 0 &&
|
|
str2int(argv[1], &evt) && evt != 0)
|
|
{
|
|
if (!dbg_attach_debuggee(pid, TRUE))
|
|
{
|
|
/* don't care about result */
|
|
SetEvent((HANDLE)evt);
|
|
return start_error_init;
|
|
}
|
|
if (!SetEvent((HANDLE)evt))
|
|
{
|
|
WINE_ERR("Invalid event handle: %lx\n", evt);
|
|
return start_error_init;
|
|
}
|
|
CloseHandle((HANDLE)evt);
|
|
}
|
|
else return start_error_parse;
|
|
|
|
dbg_curr_pid = pid;
|
|
return start_ok;
|
|
}
|
|
|
|
/******************************************************************
|
|
* dbg_active_launch
|
|
*
|
|
* Launches a debuggee (with its arguments) from argc/argv
|
|
*/
|
|
enum dbg_start dbg_active_launch(int argc, char* argv[])
|
|
{
|
|
int i, len;
|
|
LPSTR cmd_line;
|
|
|
|
if (argc == 0) return start_error_parse;
|
|
|
|
if (!(cmd_line = HeapAlloc(GetProcessHeap(), 0, len = 1)))
|
|
{
|
|
oom_leave:
|
|
dbg_printf("Out of memory\n");
|
|
return start_error_init;
|
|
}
|
|
cmd_line[0] = '\0';
|
|
|
|
for (i = 0; i < argc; i++)
|
|
{
|
|
len += strlen(argv[i]) + 1;
|
|
if (!(cmd_line = HeapReAlloc(GetProcessHeap(), 0, cmd_line, len)))
|
|
goto oom_leave;
|
|
strcat(cmd_line, argv[i]);
|
|
cmd_line[len - 2] = ' ';
|
|
cmd_line[len - 1] = '\0';
|
|
}
|
|
|
|
if (!dbg_start_debuggee(cmd_line))
|
|
{
|
|
HeapFree(GetProcessHeap(), 0, cmd_line);
|
|
return start_error_init;
|
|
}
|
|
HeapFree(GetProcessHeap(), 0, dbg_last_cmd_line);
|
|
dbg_last_cmd_line = cmd_line;
|
|
return start_ok;
|
|
}
|
|
|
|
/******************************************************************
|
|
* dbg_active_auto
|
|
*
|
|
* Starts (<pid> or <pid> <evt>) in automatic mode
|
|
*/
|
|
enum dbg_start dbg_active_auto(int argc, char* argv[])
|
|
{
|
|
HANDLE thread = 0, event = 0, input, output = INVALID_HANDLE_VALUE;
|
|
enum dbg_start ds = start_error_parse;
|
|
|
|
DBG_IVAR(BreakOnDllLoad) = 0;
|
|
|
|
/* auto mode */
|
|
argc--; argv++;
|
|
ds = dbg_active_attach(argc, argv);
|
|
if (ds != start_ok) {
|
|
msgbox_res_id(NULL, IDS_INVALID_PARAMS, IDS_AUTO_CAPTION, MB_OK);
|
|
return ds;
|
|
}
|
|
|
|
switch (display_crash_dialog())
|
|
{
|
|
case ID_DEBUG:
|
|
AllocConsole();
|
|
dbg_init_console();
|
|
dbg_start_interactive(INVALID_HANDLE_VALUE);
|
|
return start_ok;
|
|
case ID_DETAILS:
|
|
event = CreateEventW( NULL, TRUE, FALSE, NULL );
|
|
if (event) thread = display_crash_details( event );
|
|
if (thread) dbg_houtput = output = create_temp_file();
|
|
break;
|
|
}
|
|
|
|
input = parser_generate_command_file("echo Modules:", "info share",
|
|
"echo Threads:", "info threads", NULL);
|
|
if (input == INVALID_HANDLE_VALUE) return start_error_parse;
|
|
|
|
if (dbg_curr_process->active_debuggee)
|
|
dbg_active_wait_for_first_exception();
|
|
|
|
dbg_interactiveP = TRUE;
|
|
parser_handle(input);
|
|
|
|
if (output != INVALID_HANDLE_VALUE)
|
|
{
|
|
output_system_info();
|
|
SetEvent( event );
|
|
WaitForSingleObject( thread, INFINITE );
|
|
CloseHandle( output );
|
|
CloseHandle( thread );
|
|
CloseHandle( event );
|
|
}
|
|
|
|
CloseHandle( input );
|
|
dbg_curr_process->process_io->close_process(dbg_curr_process, TRUE);
|
|
return start_ok;
|
|
}
|
|
|
|
/******************************************************************
|
|
* dbg_active_minidump
|
|
*
|
|
* Starts (<pid> or <pid> <evt>) in minidump mode
|
|
*/
|
|
enum dbg_start dbg_active_minidump(int argc, char* argv[])
|
|
{
|
|
HANDLE hFile;
|
|
enum dbg_start ds = start_error_parse;
|
|
const char* file = NULL;
|
|
char tmp[8 + 1 + 2 + MAX_PATH]; /* minidump "<file>" */
|
|
|
|
dbg_houtput = GetStdHandle(STD_ERROR_HANDLE);
|
|
DBG_IVAR(BreakOnDllLoad) = 0;
|
|
|
|
argc--; argv++;
|
|
/* hard stuff now ; we can get things like:
|
|
* --minidump <pid> 1 arg
|
|
* --minidump <pid> <evt> 2 args
|
|
* --minidump <file> <pid> 2 args
|
|
* --minidump <file> <pid> <evt> 3 args
|
|
*/
|
|
switch (argc)
|
|
{
|
|
case 1:
|
|
ds = dbg_active_attach(argc, argv);
|
|
break;
|
|
case 2:
|
|
if ((ds = dbg_active_attach(argc, argv)) != start_ok)
|
|
{
|
|
file = argv[0];
|
|
ds = dbg_active_attach(argc - 1, argv + 1);
|
|
}
|
|
break;
|
|
case 3:
|
|
file = argv[0];
|
|
ds = dbg_active_attach(argc - 1, argv + 1);
|
|
break;
|
|
default:
|
|
return start_error_parse;
|
|
}
|
|
if (ds != start_ok) return ds;
|
|
memcpy(tmp, "minidump \"", 10);
|
|
if (!file)
|
|
{
|
|
char path[MAX_PATH];
|
|
|
|
GetTempPathA(sizeof(path), path);
|
|
GetTempFileNameA(path, "WD", 0, tmp + 10);
|
|
}
|
|
else strcpy(tmp + 10, file);
|
|
strcat(tmp, "\"");
|
|
if (!file)
|
|
{
|
|
/* FIXME: should generate unix name as well */
|
|
dbg_printf("Capturing program state in %s\n", tmp + 9);
|
|
}
|
|
hFile = parser_generate_command_file(tmp, "detach", NULL);
|
|
if (hFile == INVALID_HANDLE_VALUE) return start_error_parse;
|
|
|
|
if (dbg_curr_process->active_debuggee)
|
|
dbg_active_wait_for_first_exception();
|
|
|
|
dbg_interactiveP = TRUE;
|
|
parser_handle(hFile);
|
|
|
|
return start_ok;
|
|
}
|
|
|
|
static BOOL tgt_process_active_close_process(struct dbg_process* pcs, BOOL kill)
|
|
{
|
|
if (kill)
|
|
{
|
|
DWORD exit_code = 0;
|
|
|
|
if (pcs == dbg_curr_process && dbg_curr_thread->in_exception)
|
|
exit_code = dbg_curr_thread->excpt_record.ExceptionCode;
|
|
|
|
TerminateProcess(pcs->handle, exit_code);
|
|
}
|
|
else if (pcs == dbg_curr_process)
|
|
{
|
|
/* remove all set breakpoints in debuggee code */
|
|
break_set_xpoints(FALSE);
|
|
/* needed for single stepping (ugly).
|
|
* should this be handled inside the server ???
|
|
*/
|
|
be_cpu->single_step(&dbg_context, FALSE);
|
|
if (dbg_curr_thread->in_exception)
|
|
{
|
|
SetThreadContext(dbg_curr_thread->handle, &dbg_context);
|
|
ContinueDebugEvent(dbg_curr_pid, dbg_curr_tid, DBG_CONTINUE);
|
|
}
|
|
}
|
|
|
|
if (!kill)
|
|
{
|
|
if (!DebugActiveProcessStop(pcs->pid)) return FALSE;
|
|
}
|
|
SymCleanup(pcs->handle);
|
|
dbg_del_process(pcs);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static BOOL tgt_process_active_read(HANDLE hProcess, const void* addr,
|
|
void* buffer, SIZE_T len, SIZE_T* rlen)
|
|
{
|
|
return ReadProcessMemory( hProcess, addr, buffer, len, rlen );
|
|
}
|
|
|
|
static BOOL tgt_process_active_write(HANDLE hProcess, void* addr,
|
|
const void* buffer, SIZE_T len, SIZE_T* wlen)
|
|
{
|
|
return WriteProcessMemory( hProcess, addr, buffer, len, wlen );
|
|
}
|
|
|
|
static BOOL tgt_process_active_get_selector(HANDLE hThread, DWORD sel, LDT_ENTRY* le)
|
|
{
|
|
return GetThreadSelectorEntry( hThread, sel, le );
|
|
}
|
|
|
|
static struct be_process_io be_process_active_io =
|
|
{
|
|
tgt_process_active_close_process,
|
|
tgt_process_active_read,
|
|
tgt_process_active_write,
|
|
tgt_process_active_get_selector
|
|
};
|