476 lines
17 KiB
C
476 lines
17 KiB
C
/*
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* Wine debugger - minidump handling
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*
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* Copyright 2005 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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#define NONAMELESSUNION
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#define NONAMELESSSTRUCT
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#include "config.h"
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#include "wine/port.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 "wingdi.h"
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#include "winuser.h"
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#include "tlhelp32.h"
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#include "wine/debug.h"
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#include "wine/exception.h"
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WINE_DEFAULT_DEBUG_CHANNEL(winedbg);
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static struct be_process_io be_process_minidump_io;
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/* we need this function on 32bit hosts to ensure we zero out the higher DWORD
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* stored in the minidump file (sometimes it's not cleared, or the conversion from
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* 32bit to 64bit wide integers is done as signed, which is wrong)
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* So we clamp on 32bit CPUs (as stored in minidump information) all addresses to
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* keep only the lower 32 bits.
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* FIXME: as of today, since we don't support a backend CPU which is different from
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* CPU this process is running on, casting to (DWORD_PTR) will do just fine.
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*/
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static inline DWORD64 get_addr64(DWORD64 addr)
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{
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return (DWORD_PTR)addr;
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}
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void minidump_write(const char* file, const EXCEPTION_RECORD* rec)
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{
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HANDLE hFile;
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MINIDUMP_EXCEPTION_INFORMATION mei;
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EXCEPTION_POINTERS ep;
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hFile = CreateFileA(file, GENERIC_READ|GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
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FILE_ATTRIBUTE_NORMAL, NULL);
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if (hFile == INVALID_HANDLE_VALUE) return;
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if (rec)
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{
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mei.ThreadId = dbg_curr_thread->tid;
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mei.ExceptionPointers = &ep;
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ep.ExceptionRecord = (EXCEPTION_RECORD*)rec;
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ep.ContextRecord = &dbg_context;
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mei.ClientPointers = FALSE;
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}
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MiniDumpWriteDump(dbg_curr_process->handle, dbg_curr_process->pid,
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hFile, MiniDumpNormal/*|MiniDumpWithDataSegs*/,
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rec ? &mei : NULL, NULL, NULL);
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CloseHandle(hFile);
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}
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#define Wine_ElfModuleListStream 0xFFF0
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struct tgt_process_minidump_data
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{
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void* mapping;
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HANDLE hFile;
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HANDLE hMap;
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};
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static inline struct tgt_process_minidump_data* private_data(struct dbg_process* pcs)
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{
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return pcs->pio_data;
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}
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static BOOL tgt_process_minidump_read(HANDLE hProcess, const void* addr,
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void* buffer, SIZE_T len, SIZE_T* rlen)
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{
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void* stream;
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if (!private_data(dbg_curr_process)->mapping) return FALSE;
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if (MiniDumpReadDumpStream(private_data(dbg_curr_process)->mapping,
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MemoryListStream, NULL, &stream, NULL))
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{
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MINIDUMP_MEMORY_LIST* mml = stream;
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MINIDUMP_MEMORY_DESCRIPTOR* mmd = &mml->MemoryRanges[0];
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int i;
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for (i = 0; i < mml->NumberOfMemoryRanges; i++, mmd++)
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{
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if (get_addr64(mmd->StartOfMemoryRange) <= (DWORD_PTR)addr &&
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(DWORD_PTR)addr < get_addr64(mmd->StartOfMemoryRange) + mmd->Memory.DataSize)
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{
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len = min(len,
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get_addr64(mmd->StartOfMemoryRange) + mmd->Memory.DataSize - (DWORD_PTR)addr);
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memcpy(buffer,
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(char*)private_data(dbg_curr_process)->mapping + mmd->Memory.Rva + (DWORD_PTR)addr - get_addr64(mmd->StartOfMemoryRange),
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len);
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if (rlen) *rlen = len;
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return TRUE;
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}
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}
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}
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/* FIXME: this is a dirty hack to let the last frame in a bt to work
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* However, we need to check who's to blame, this code or the current
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* dbghelp!StackWalk implementation
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*/
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if ((DWORD_PTR)addr < 32)
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{
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memset(buffer, 0, len);
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if (rlen) *rlen = len;
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return TRUE;
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}
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return FALSE;
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}
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static BOOL tgt_process_minidump_write(HANDLE hProcess, void* addr,
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const void* buffer, SIZE_T len, SIZE_T* wlen)
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{
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return FALSE;
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}
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static BOOL CALLBACK validate_file(PCWSTR name, void* user)
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{
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return FALSE; /* get the first file we find !! */
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}
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static BOOL is_pe_module_embedded(struct tgt_process_minidump_data* data,
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MINIDUMP_MODULE* pe_mm)
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{
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MINIDUMP_MODULE_LIST* mml;
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if (MiniDumpReadDumpStream(data->mapping, Wine_ElfModuleListStream, NULL,
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(void**)&mml, NULL))
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{
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MINIDUMP_MODULE* mm;
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unsigned i;
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for (i = 0, mm = &mml->Modules[0]; i < mml->NumberOfModules; i++, mm++)
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{
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if (get_addr64(mm->BaseOfImage) <= get_addr64(pe_mm->BaseOfImage) &&
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get_addr64(mm->BaseOfImage) + mm->SizeOfImage >= get_addr64(pe_mm->BaseOfImage) + pe_mm->SizeOfImage)
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return TRUE;
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}
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}
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return FALSE;
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}
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static enum dbg_start minidump_do_reload(struct tgt_process_minidump_data* data)
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{
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void* stream;
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DWORD pid = 1; /* by default */
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HANDLE hProc = (HANDLE)0x900DBAAD;
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int i;
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MINIDUMP_MODULE_LIST* mml;
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MINIDUMP_MODULE* mm;
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MINIDUMP_STRING* mds;
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WCHAR exec_name[1024];
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WCHAR nameW[1024];
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unsigned len;
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static WCHAR default_exec_name[] = {'<','m','i','n','i','d','u','m','p','-','e','x','e','c','>',0};
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/* fetch PID */
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if (MiniDumpReadDumpStream(data->mapping, MiscInfoStream, NULL, &stream, NULL))
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{
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MINIDUMP_MISC_INFO* mmi = stream;
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if (mmi->Flags1 & MINIDUMP_MISC1_PROCESS_ID)
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pid = mmi->ProcessId;
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}
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/* fetch executable name (it's normally the first one in module list) */
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lstrcpyW(exec_name, default_exec_name);
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if (MiniDumpReadDumpStream(data->mapping, ModuleListStream, NULL, &stream, NULL))
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{
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mml = stream;
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if (mml->NumberOfModules)
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{
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WCHAR* ptr;
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mm = &mml->Modules[0];
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mds = (MINIDUMP_STRING*)((char*)data->mapping + mm->ModuleNameRva);
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len = mds->Length / 2;
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memcpy(exec_name, mds->Buffer, mds->Length);
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exec_name[len] = 0;
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for (ptr = exec_name + len - 1; ptr >= exec_name; ptr--)
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{
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if (*ptr == '/' || *ptr == '\\')
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{
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memmove(exec_name, ptr + 1, (lstrlenW(ptr + 1) + 1) * sizeof(WCHAR));
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break;
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}
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}
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}
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}
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if (MiniDumpReadDumpStream(data->mapping, SystemInfoStream, NULL, &stream, NULL))
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{
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MINIDUMP_SYSTEM_INFO* msi = stream;
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const char *str;
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char tmp[128];
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dbg_printf("WineDbg starting on minidump on pid %04x\n", pid);
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switch (msi->ProcessorArchitecture)
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{
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case PROCESSOR_ARCHITECTURE_UNKNOWN:
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str = "Unknown";
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break;
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case PROCESSOR_ARCHITECTURE_INTEL:
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strcpy(tmp, "Intel ");
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switch (msi->ProcessorLevel)
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{
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case 3: str = "80386"; break;
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case 4: str = "80486"; break;
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case 5: str = "Pentium"; break;
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case 6: str = "Pentium Pro/II or AMD Athlon"; break;
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case 15: str = "Pentium 4 or AMD Athlon64"; break;
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default: str = "???"; break;
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}
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strcat(tmp, str);
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if (msi->ProcessorLevel == 3 || msi->ProcessorLevel == 4)
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{
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if (HIWORD(msi->ProcessorRevision) == 0xFF)
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sprintf(tmp + strlen(tmp), " (%c%d)",
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'A' + HIBYTE(LOWORD(msi->ProcessorRevision)),
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LOBYTE(LOWORD(msi->ProcessorRevision)));
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else
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sprintf(tmp + strlen(tmp), " (%c%d)",
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'A' + HIWORD(msi->ProcessorRevision),
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LOWORD(msi->ProcessorRevision));
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}
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else sprintf(tmp + strlen(tmp), " (%d.%d)",
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HIWORD(msi->ProcessorRevision),
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LOWORD(msi->ProcessorRevision));
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str = tmp;
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break;
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case PROCESSOR_ARCHITECTURE_MIPS:
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str = "Mips";
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break;
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case PROCESSOR_ARCHITECTURE_ALPHA:
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str = "Alpha";
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break;
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case PROCESSOR_ARCHITECTURE_PPC:
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str = "PowerPC";
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break;
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case PROCESSOR_ARCHITECTURE_AMD64:
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str = "X86_64";
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break;
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default:
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str = "???";
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break;
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}
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dbg_printf(" %s was running on #%d %s CPU%s",
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dbg_W2A(exec_name, -1), msi->u.s.NumberOfProcessors, str,
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msi->u.s.NumberOfProcessors < 2 ? "" : "s");
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switch (msi->MajorVersion)
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{
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case 3:
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switch (msi->MinorVersion)
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{
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case 51: str = "NT 3.51"; break;
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default: str = "3-????"; break;
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}
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break;
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case 4:
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switch (msi->MinorVersion)
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{
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case 0: str = (msi->PlatformId == VER_PLATFORM_WIN32_NT) ? "NT 4.0" : "95"; break;
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case 10: str = "98"; break;
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case 90: str = "ME"; break;
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default: str = "5-????"; break;
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}
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break;
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case 5:
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switch (msi->MinorVersion)
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{
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case 0: str = "2000"; break;
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case 1: str = "XP"; break;
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case 2: str = "Server 2003"; break;
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default: str = "5-????"; break;
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}
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break;
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default: str = "???"; break;
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}
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dbg_printf(" on Windows %s (%u)\n", str, msi->BuildNumber);
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/* FIXME CSD: msi->CSDVersionRva */
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}
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dbg_curr_process = dbg_add_process(&be_process_minidump_io, pid, hProc);
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dbg_curr_pid = pid;
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dbg_curr_process->pio_data = data;
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dbg_set_process_name(dbg_curr_process, exec_name);
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dbg_init(hProc, NULL, FALSE);
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if (MiniDumpReadDumpStream(data->mapping, ThreadListStream, NULL, &stream, NULL))
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{
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MINIDUMP_THREAD_LIST* mtl = stream;
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ULONG i;
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for (i = 0; i < mtl->NumberOfThreads; i++)
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{
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dbg_add_thread(dbg_curr_process, mtl->Threads[i].ThreadId, NULL,
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(void*)(DWORD_PTR)get_addr64(mtl->Threads[i].Teb));
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}
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}
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/* first load ELF modules, then do the PE ones */
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if (MiniDumpReadDumpStream(data->mapping, Wine_ElfModuleListStream, NULL,
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&stream, NULL))
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{
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WCHAR buffer[MAX_PATH];
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mml = stream;
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for (i = 0, mm = &mml->Modules[0]; i < mml->NumberOfModules; i++, mm++)
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{
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mds = (MINIDUMP_STRING*)((char*)data->mapping + mm->ModuleNameRva);
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memcpy(nameW, mds->Buffer, mds->Length);
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nameW[mds->Length / sizeof(WCHAR)] = 0;
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if (SymFindFileInPathW(hProc, NULL, nameW, (void*)(DWORD_PTR)mm->CheckSum,
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0, 0, SSRVOPT_DWORD, buffer, validate_file, NULL))
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dbg_load_module(hProc, NULL, buffer, get_addr64(mm->BaseOfImage),
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mm->SizeOfImage);
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else
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SymLoadModuleExW(hProc, NULL, nameW, NULL, get_addr64(mm->BaseOfImage),
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mm->SizeOfImage, NULL, SLMFLAG_VIRTUAL);
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}
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}
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if (MiniDumpReadDumpStream(data->mapping, ModuleListStream, NULL, &stream, NULL))
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{
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WCHAR buffer[MAX_PATH];
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mml = stream;
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for (i = 0, mm = &mml->Modules[0]; i < mml->NumberOfModules; i++, mm++)
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{
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mds = (MINIDUMP_STRING*)((char*)data->mapping + mm->ModuleNameRva);
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memcpy(nameW, mds->Buffer, mds->Length);
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nameW[mds->Length / sizeof(WCHAR)] = 0;
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if (SymFindFileInPathW(hProc, NULL, nameW, (void*)(DWORD_PTR)mm->TimeDateStamp,
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mm->SizeOfImage, 0, SSRVOPT_DWORD, buffer, validate_file, NULL))
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dbg_load_module(hProc, NULL, buffer, get_addr64(mm->BaseOfImage),
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mm->SizeOfImage);
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else if (is_pe_module_embedded(data, mm))
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dbg_load_module(hProc, NULL, nameW, get_addr64(mm->BaseOfImage),
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mm->SizeOfImage);
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else
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SymLoadModuleExW(hProc, NULL, nameW, NULL, get_addr64(mm->BaseOfImage),
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mm->SizeOfImage, NULL, SLMFLAG_VIRTUAL);
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}
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}
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if (MiniDumpReadDumpStream(data->mapping, ExceptionStream, NULL, &stream, NULL))
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{
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MINIDUMP_EXCEPTION_STREAM* mes = stream;
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if ((dbg_curr_thread = dbg_get_thread(dbg_curr_process, mes->ThreadId)))
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{
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ADDRESS64 addr;
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dbg_curr_tid = mes->ThreadId;
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dbg_curr_thread->in_exception = TRUE;
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dbg_curr_thread->excpt_record.ExceptionCode = mes->ExceptionRecord.ExceptionCode;
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dbg_curr_thread->excpt_record.ExceptionFlags = mes->ExceptionRecord.ExceptionFlags;
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dbg_curr_thread->excpt_record.ExceptionRecord = (void*)(DWORD_PTR)get_addr64(mes->ExceptionRecord.ExceptionRecord);
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dbg_curr_thread->excpt_record.ExceptionAddress = (void*)(DWORD_PTR)get_addr64(mes->ExceptionRecord.ExceptionAddress);
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dbg_curr_thread->excpt_record.NumberParameters = mes->ExceptionRecord.NumberParameters;
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for (i = 0; i < dbg_curr_thread->excpt_record.NumberParameters; i++)
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{
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dbg_curr_thread->excpt_record.ExceptionInformation[i] = mes->ExceptionRecord.ExceptionInformation[i];
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}
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memcpy(&dbg_context, (char*)data->mapping + mes->ThreadContext.Rva,
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min(sizeof(dbg_context), mes->ThreadContext.DataSize));
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memory_get_current_pc(&addr);
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stack_fetch_frames(&dbg_context);
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be_cpu->print_context(dbg_curr_thread->handle, &dbg_context, 0);
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stack_info();
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be_cpu->print_segment_info(dbg_curr_thread->handle, &dbg_context);
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stack_backtrace(mes->ThreadId);
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source_list_from_addr(&addr, 0);
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}
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}
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return start_ok;
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}
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static void cleanup(struct tgt_process_minidump_data* data)
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{
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if (data->mapping) UnmapViewOfFile(data->mapping);
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if (data->hMap) CloseHandle(data->hMap);
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if (data->hFile != INVALID_HANDLE_VALUE) CloseHandle(data->hFile);
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HeapFree(GetProcessHeap(), 0, data);
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}
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static struct be_process_io be_process_minidump_io;
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enum dbg_start minidump_reload(int argc, char* argv[])
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{
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struct tgt_process_minidump_data* data;
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enum dbg_start ret = start_error_parse;
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/* try the form <myself> minidump-file */
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if (argc != 1) return start_error_parse;
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WINE_TRACE("Processing Minidump file %s\n", argv[0]);
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data = HeapAlloc(GetProcessHeap(), 0, sizeof(struct tgt_process_minidump_data));
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if (!data) return start_error_init;
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data->mapping = NULL;
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data->hMap = NULL;
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data->hFile = INVALID_HANDLE_VALUE;
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if ((data->hFile = CreateFileA(argv[0], GENERIC_READ, FILE_SHARE_READ, NULL,
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OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) != INVALID_HANDLE_VALUE &&
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((data->hMap = CreateFileMappingA(data->hFile, NULL, PAGE_READONLY, 0, 0, NULL)) != 0) &&
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((data->mapping = MapViewOfFile(data->hMap, FILE_MAP_READ, 0, 0, 0)) != NULL))
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{
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__TRY
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{
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if (((MINIDUMP_HEADER*)data->mapping)->Signature == MINIDUMP_SIGNATURE)
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{
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ret = minidump_do_reload(data);
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}
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}
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__EXCEPT_PAGE_FAULT
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{
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dbg_printf("Unexpected fault while reading minidump %s\n", argv[0]);
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dbg_curr_pid = 0;
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}
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__ENDTRY;
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}
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if (ret != start_ok) cleanup(data);
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return ret;
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}
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static BOOL tgt_process_minidump_close_process(struct dbg_process* pcs, BOOL kill)
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{
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struct tgt_process_minidump_data* data = private_data(pcs);
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cleanup(data);
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pcs->pio_data = NULL;
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SymCleanup(pcs->handle);
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dbg_del_process(pcs);
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return TRUE;
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}
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static BOOL tgt_process_minidump_get_selector(HANDLE hThread, DWORD sel, LDT_ENTRY* le)
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{
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/* so far, pretend all selectors are valid, and mapped to a 32bit flat address space */
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memset(le, 0, sizeof(*le));
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le->HighWord.Bits.Default_Big = 1;
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return TRUE;
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}
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static struct be_process_io be_process_minidump_io =
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{
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tgt_process_minidump_close_process,
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tgt_process_minidump_read,
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tgt_process_minidump_write,
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tgt_process_minidump_get_selector,
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};
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