427 lines
15 KiB
C
427 lines
15 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 <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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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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DWORD wine_opt;
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hFile = CreateFile(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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/* this is a wine specific options to return also ELF modules in the
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* dumping
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*/
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SymSetOptions((wine_opt = SymGetOptions()) | 0x40000000);
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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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SymSetOptions(wine_opt);
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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(struct dbg_process* pcs)
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{
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return (struct tgt_process_minidump_data*)pcs->pio_data;
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}
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static BOOL WINAPI tgt_process_minidump_read(HANDLE hProcess, const void* addr,
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void* buffer, DWORD len, DWORD* rlen)
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{
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ULONG size;
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MINIDUMP_DIRECTORY* dir;
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void* stream;
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if (!PRIVATE(dbg_curr_process)->mapping) return FALSE;
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if (MiniDumpReadDumpStream(PRIVATE(dbg_curr_process)->mapping,
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MemoryListStream, &dir, &stream, &size))
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{
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MINIDUMP_MEMORY_LIST* mml = (MINIDUMP_MEMORY_LIST*)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 (mmd->StartOfMemoryRange <= (DWORD_PTR)addr &&
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(DWORD_PTR)addr < mmd->StartOfMemoryRange + mmd->Memory.DataSize)
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{
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len = min(len, mmd->StartOfMemoryRange + mmd->Memory.DataSize - (DWORD_PTR)addr);
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memcpy(buffer,
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(char*)PRIVATE(dbg_curr_process)->mapping + mmd->Memory.Rva + (DWORD_PTR)addr - 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 WINAPI tgt_process_minidump_write(HANDLE hProcess, void* addr,
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const void* buffer, DWORD len, DWORD* wlen)
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{
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return FALSE;
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}
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BOOL CALLBACK validate_file(PSTR 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 enum dbg_start minidump_do_reload(struct tgt_process_minidump_data* data)
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{
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ULONG size;
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MINIDUMP_DIRECTORY* dir;
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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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char exec_name[1024];
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char name[1024];
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unsigned len;
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/* fetch PID */
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if (MiniDumpReadDumpStream(data->mapping, MiscInfoStream, &dir, &stream, &size))
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{
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MINIDUMP_MISC_INFO* mmi = (MINIDUMP_MISC_INFO*)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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strcpy(exec_name, "<minidump-exec>"); /* default */
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if (MiniDumpReadDumpStream(data->mapping, ModuleListStream, &dir, &stream, &size))
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{
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mml = (MINIDUMP_MODULE_LIST*)stream;
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if (mml->NumberOfModules)
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{
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char* 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 = WideCharToMultiByte(CP_ACP, 0, mds->Buffer,
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mds->Length / sizeof(WCHAR),
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name, sizeof(name) - 1, NULL, NULL);
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name[len] = 0;
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for (ptr = name + len - 1; ptr >= name; ptr--)
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{
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if (*ptr == '/' || *ptr == '\\')
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{
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strcpy(exec_name, ptr + 1);
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break;
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}
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}
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if (ptr < name) strcpy(exec_name, name);
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}
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}
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if (MiniDumpReadDumpStream(data->mapping, SystemInfoStream, &dir, &stream, &size))
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{
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MINIDUMP_SYSTEM_INFO* msi = (MINIDUMP_SYSTEM_INFO*)stream;
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char *str, tmp[128];
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dbg_printf("WineDbg starting on minidump on pid %lu\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"; 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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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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exec_name, 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 (%lu)\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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SymInitialize(hProc, NULL, FALSE);
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if (MiniDumpReadDumpStream(data->mapping, ThreadListStream, &dir, &stream, &size))
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{
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MINIDUMP_THREAD_LIST* mtl = (MINIDUMP_THREAD_LIST*)stream;
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MINIDUMP_THREAD* mt = &mtl->Threads[0];
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dbg_add_thread(dbg_curr_process, mt->ThreadId, NULL,
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(void*)(DWORD_PTR)mt->Teb);
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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, &dir,
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&stream, &size))
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{
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char buffer[MAX_PATH];
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mml = (MINIDUMP_MODULE_LIST*)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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len = WideCharToMultiByte(CP_ACP, 0, mds->Buffer,
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mds->Length / sizeof(WCHAR),
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name, sizeof(name) - 1, NULL, NULL);
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name[len] = 0;
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if (SymFindFileInPath(hProc, NULL, name, (void*)(DWORD_PTR)mm->CheckSum,
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0, 0, SSRVOPT_DWORD, buffer, validate_file, NULL))
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SymLoadModule(hProc, NULL, buffer, NULL, mm->BaseOfImage, mm->SizeOfImage);
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else
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SymLoadModuleEx(hProc, NULL, name, NULL, mm->BaseOfImage, mm->SizeOfImage,
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NULL, SLMFLAG_VIRTUAL);
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}
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}
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if (MiniDumpReadDumpStream(data->mapping, ModuleListStream, &dir, &stream, &size))
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{
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mml = (MINIDUMP_MODULE_LIST*)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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len = WideCharToMultiByte(CP_ACP, 0, mds->Buffer,
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mds->Length / sizeof(WCHAR),
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name, sizeof(name) - 1, NULL, NULL);
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name[len] = 0;
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SymLoadModule(hProc, NULL, name, NULL,
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mm->BaseOfImage, mm->SizeOfImage);
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}
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}
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if (MiniDumpReadDumpStream(data->mapping, ExceptionStream, &dir, &stream, &size))
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{
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MINIDUMP_EXCEPTION_STREAM* mes = (MINIDUMP_EXCEPTION_STREAM*)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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ADDRESS 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)mes->ExceptionRecord.ExceptionRecord;
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dbg_curr_thread->excpt_record.ExceptionAddress = (void*)(DWORD_PTR)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();
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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(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 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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};
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