304 lines
8.4 KiB
C
304 lines
8.4 KiB
C
/*
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* File dumping utility
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*
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* Copyright 2001,2007 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 "wine/port.h"
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#include <stdlib.h>
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#include <stdarg.h>
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#include <stdio.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include <time.h>
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_STAT_H
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# include <sys/stat.h>
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#endif
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#ifdef HAVE_SYS_MMAN_H
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#include <sys/mman.h>
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#endif
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#include <fcntl.h>
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#define NONAMELESSUNION
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#define NONAMELESSSTRUCT
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#include "windef.h"
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#include "winbase.h"
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#include "winedump.h"
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static void* dump_base;
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static unsigned long dump_total_len;
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void dump_data( const unsigned char *ptr, unsigned int size, const char *prefix )
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{
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unsigned int i, j;
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printf( "%s%08x: ", prefix, 0 );
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if (!ptr)
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{
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printf("NULL\n");
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return;
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}
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for (i = 0; i < size; i++)
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{
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printf( "%02x%c", ptr[i], (i % 16 == 7) ? '-' : ' ' );
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if ((i % 16) == 15)
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{
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printf( " " );
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for (j = 0; j < 16; j++)
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printf( "%c", isprint(ptr[i-15+j]) ? ptr[i-15+j] : '.' );
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if (i < size-1) printf( "\n%s%08x: ", prefix, i + 1 );
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}
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}
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if (i % 16)
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{
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printf( "%*s ", 3 * (16-(i%16)), "" );
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for (j = 0; j < i % 16; j++)
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printf( "%c", isprint(ptr[i-(i%16)+j]) ? ptr[i-(i%16)+j] : '.' );
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}
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printf( "\n" );
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}
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static char* dump_want_n(unsigned sz)
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{
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static char buffer[4 * 1024];
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static unsigned idx;
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char* ret;
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assert(sz < sizeof(buffer));
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if (idx + sz >= sizeof(buffer)) idx = 0;
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ret = &buffer[idx];
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idx += sz;
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return ret;
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}
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const char *get_time_str(unsigned long _t)
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{
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const time_t t = (const time_t)_t;
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const char *str = ctime(&t);
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size_t len;
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char* buf;
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if (!str) return "not valid time";
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len = strlen(str);
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/* FIXME: I don't get the same values from MS' pedump running under Wine...
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* I wonder if Wine isn't broken wrt to GMT settings...
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*/
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if (len && str[len-1] == '\n') len--;
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buf = dump_want_n(len + 1);
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if (buf)
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{
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memcpy( buf, str, len );
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buf[len] = 0;
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}
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return buf;
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}
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unsigned int strlenW( const WCHAR *str )
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{
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const WCHAR *s = str;
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while (*s) s++;
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return s - str;
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}
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void dump_unicode_str( const WCHAR *str, int len )
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{
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if (len == -1) len = strlenW( str );
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printf( "L\"");
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while (len-- > 0 && *str)
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{
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WCHAR c = *str++;
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switch (c)
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{
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case '\n': printf( "\\n" ); break;
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case '\r': printf( "\\r" ); break;
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case '\t': printf( "\\t" ); break;
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case '"': printf( "\\\"" ); break;
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case '\\': printf( "\\\\" ); break;
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default:
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if (c >= ' ' && c <= 126) putchar(c);
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else printf( "\\u%04x",c);
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}
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}
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printf( "\"" );
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}
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const char* get_symbol_str(const char* symname)
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{
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char* tmp;
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const char* ret;
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if (!symname) return "(nil)";
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if (globals.do_demangle)
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{
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parsed_symbol symbol;
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symbol_init(&symbol, symname);
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if (symbol_demangle(&symbol) == -1)
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ret = symname;
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else if (symbol.flags & SYM_DATA)
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{
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ret = tmp = dump_want_n(strlen(symbol.arg_text[0]) + 1);
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if (tmp) strcpy(tmp, symbol.arg_text[0]);
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}
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else
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{
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unsigned int i, len, start = symbol.flags & SYM_THISCALL ? 1 : 0;
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len = strlen(symbol.return_text) + 3 /* ' __' */ +
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strlen(symbol_get_call_convention(&symbol)) + 1 /* ' ' */+
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strlen(symbol.function_name) + 1 /* ')' */;
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if (!symbol.argc || (symbol.argc == 1 && symbol.flags & SYM_THISCALL))
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len += 4 /* "void" */;
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else for (i = start; i < symbol.argc; i++)
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len += (i > start ? 2 /* ", " */ : 0 /* "" */) + strlen(symbol.arg_text[i]);
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if (symbol.varargs) len += 5 /* ", ..." */;
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len += 2; /* ")\0" */
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ret = tmp = dump_want_n(len);
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if (tmp)
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{
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sprintf(tmp, "%s __%s %s(",
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symbol.return_text,
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symbol_get_call_convention(&symbol),
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symbol.function_name);
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if (!symbol.argc || (symbol.argc == 1 && symbol.flags & SYM_THISCALL))
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strcat(tmp, "void");
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else for (i = start; i < symbol.argc; i++)
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{
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if (i > start) strcat(tmp, ", ");
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strcat(tmp, symbol.arg_text[i]);
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}
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if (symbol.varargs) strcat(tmp, ", ...");
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strcat(tmp, ")");
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}
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}
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symbol_clear(&symbol);
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}
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else ret = symname;
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return ret;
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}
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const char* get_guid_str(const GUID* guid)
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{
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char* str;
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str = dump_want_n(39);
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if (str)
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sprintf(str, "{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}",
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guid->Data1, guid->Data2, guid->Data3,
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guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3],
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guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7]);
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return str;
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}
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const void* PRD(unsigned long prd, unsigned long len)
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{
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return (prd + len > dump_total_len) ? NULL : (const char*)dump_base + prd;
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}
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unsigned long Offset(const void* ptr)
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{
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if (ptr < dump_base) {printf("<<<<<ptr below\n");return 0;}
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if ((const char *)ptr >= (const char*)dump_base + dump_total_len) {printf("<<<<<ptr above\n");return 0;}
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return (const char *)ptr - (const char *)dump_base;
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}
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static const struct dumper
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{
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enum FileSig kind;
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enum FileSig (*get_kind)(void);
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file_dumper dumper; /* default dump tool */
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}
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dumpers[] =
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{
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{SIG_DOS, get_kind_exec, dos_dump},
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{SIG_PE, get_kind_exec, pe_dump},
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{SIG_DBG, get_kind_dbg, dbg_dump},
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{SIG_PDB, get_kind_pdb, pdb_dump},
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{SIG_NE, get_kind_exec, ne_dump},
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{SIG_LE, get_kind_exec, le_dump},
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{SIG_COFFLIB, get_kind_lib, lib_dump},
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{SIG_MDMP, get_kind_mdmp, mdmp_dump},
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{SIG_LNK, get_kind_lnk, lnk_dump},
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{SIG_EMF, get_kind_emf, emf_dump},
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{SIG_UNKNOWN, NULL, NULL} /* sentinel */
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};
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int dump_analysis(const char *name, file_dumper fn, enum FileSig wanted_sig)
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{
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int fd;
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int ret = 1;
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struct stat s;
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const struct dumper *dpr;
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setbuf(stdout, NULL);
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fd = open(name, O_RDONLY | O_BINARY);
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if (fd == -1) fatal("Can't open file");
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if (fstat(fd, &s) < 0) fatal("Can't get size");
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dump_total_len = s.st_size;
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#ifdef HAVE_MMAP
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if ((dump_base = mmap(NULL, dump_total_len, PROT_READ, MAP_PRIVATE, fd, 0)) == (void *)-1)
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#endif
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{
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if (!(dump_base = malloc( dump_total_len ))) fatal( "Out of memory" );
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if ((unsigned long)read( fd, dump_base, dump_total_len ) != dump_total_len) fatal( "Cannot read file" );
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}
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printf("Contents of %s: %ld bytes\n\n", name, dump_total_len);
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for (dpr = dumpers; dpr->kind != SIG_UNKNOWN; dpr++)
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{
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if (dpr->get_kind() == dpr->kind &&
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(wanted_sig == SIG_UNKNOWN || wanted_sig == dpr->kind))
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{
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if (fn) fn(); else dpr->dumper();
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break;
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}
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}
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if (dpr->kind == SIG_UNKNOWN)
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{
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printf("Can't get a suitable file signature, aborting\n");
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ret = 0;
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}
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if (ret) printf("Done dumping %s\n", name);
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#ifdef HAVE_MMAP
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if (munmap(dump_base, dump_total_len) == -1)
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#endif
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{
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free( dump_base );
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}
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close(fd);
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return ret;
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}
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void dump_file(const char* name)
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{
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dump_analysis(name, NULL, SIG_UNKNOWN);
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}
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