| /* |
| * Dumping of NE binaries |
| * |
| * Copyright 2002 Alexandre Julliard |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
| */ |
| |
| #include "config.h" |
| #include "wine/port.h" |
| |
| #include <fcntl.h> |
| #include <stdarg.h> |
| #include <stdio.h> |
| #ifdef HAVE_UNISTD_H |
| #include <unistd.h> |
| #endif |
| |
| #include "windef.h" |
| #include "winbase.h" |
| #include "wine/winbase16.h" |
| #include "winedump.h" |
| |
| struct ne_segtable_entry |
| { |
| WORD seg_data_offset; /* Sector offset of segment data */ |
| WORD seg_data_length; /* Length of segment data */ |
| WORD seg_flags; /* Flags associated with this segment */ |
| WORD min_alloc; /* Minimum allocation size for this */ |
| }; |
| |
| struct relocation_entry |
| { |
| BYTE address_type; /* Relocation address type */ |
| BYTE relocation_type; /* Relocation type */ |
| WORD offset; /* Offset in segment to fixup */ |
| WORD target1; /* Target specification */ |
| WORD target2; /* Target specification */ |
| }; |
| |
| #define NE_RADDR_LOWBYTE 0 |
| #define NE_RADDR_SELECTOR 2 |
| #define NE_RADDR_POINTER32 3 |
| #define NE_RADDR_OFFSET16 5 |
| #define NE_RADDR_POINTER48 11 |
| #define NE_RADDR_OFFSET32 13 |
| |
| #define NE_RELTYPE_INTERNAL 0 |
| #define NE_RELTYPE_ORDINAL 1 |
| #define NE_RELTYPE_NAME 2 |
| #define NE_RELTYPE_OSFIXUP 3 |
| #define NE_RELFLAG_ADDITIVE 4 |
| |
| static inline WORD get_word( const BYTE *ptr ) |
| { |
| return ptr[0] | (ptr[1] << 8); |
| } |
| |
| static void dump_ne_header( const IMAGE_OS2_HEADER *ne ) |
| { |
| printf( "File header:\n" ); |
| printf( "Linker version: %d.%d\n", ne->ne_ver, ne->ne_rev ); |
| printf( "Entry table: %x len %d\n", ne->ne_enttab, ne->ne_cbenttab ); |
| printf( "Checksum: %08x\n", ne->ne_crc ); |
| printf( "Flags: %04x\n", ne->ne_flags ); |
| printf( "Auto data segment: %x\n", ne->ne_autodata ); |
| printf( "Heap size: %d bytes\n", ne->ne_heap ); |
| printf( "Stack size: %d bytes\n", ne->ne_stack ); |
| printf( "Stack pointer: %x:%04x\n", SELECTOROF(ne->ne_sssp), OFFSETOF(ne->ne_sssp) ); |
| printf( "Entry point: %x:%04x\n", SELECTOROF(ne->ne_csip), OFFSETOF(ne->ne_csip) ); |
| printf( "Number of segments: %d\n", ne->ne_cseg ); |
| printf( "Number of modrefs: %d\n", ne->ne_cmod ); |
| printf( "Segment table: %x\n", ne->ne_segtab ); |
| printf( "Resource table: %x\n", ne->ne_rsrctab ); |
| printf( "Resident name table: %x\n", ne->ne_restab ); |
| printf( "Module table: %x\n", ne->ne_modtab ); |
| printf( "Import table: %x\n", ne->ne_imptab ); |
| printf( "Non-resident table: %x\n", ne->ne_nrestab ); |
| printf( "Exe type: %x\n", ne->ne_exetyp ); |
| printf( "Other flags: %x\n", ne->ne_flagsothers ); |
| printf( "Fast load area: %x-%x\n", ne->ne_pretthunks << ne->ne_align, |
| (ne->ne_pretthunks+ne->ne_psegrefbytes) << ne->ne_align ); |
| printf( "Expected version: %d.%d\n", HIBYTE(ne->ne_expver), LOBYTE(ne->ne_expver) ); |
| } |
| |
| static void dump_ne_names( const IMAGE_OS2_HEADER *ne ) |
| { |
| const unsigned char *pstr = (const unsigned char *)ne + ne->ne_restab; |
| |
| printf( "\nResident name table:\n" ); |
| while (*pstr) |
| { |
| printf( " %4d: %*.*s\n", get_word(pstr + *pstr + 1), *pstr, *pstr, pstr + 1 ); |
| pstr += *pstr + 1 + sizeof(WORD); |
| } |
| if (ne->ne_cbnrestab) |
| { |
| printf( "\nNon-resident name table:\n" ); |
| pstr = PRD(ne->ne_nrestab, 0); |
| while (*pstr) |
| { |
| printf( " %4d: %*.*s\n", get_word(pstr + *pstr + 1), *pstr, *pstr, pstr + 1 ); |
| pstr += *pstr + 1 + sizeof(WORD); |
| } |
| } |
| } |
| |
| static const char *get_resource_type( WORD id ) |
| { |
| static char buffer[5]; |
| switch(id) |
| { |
| case NE_RSCTYPE_CURSOR: return "CURSOR"; |
| case NE_RSCTYPE_BITMAP: return "BITMAP"; |
| case NE_RSCTYPE_ICON: return "ICON"; |
| case NE_RSCTYPE_MENU: return "MENU"; |
| case NE_RSCTYPE_DIALOG: return "DIALOG"; |
| case NE_RSCTYPE_STRING: return "STRING"; |
| case NE_RSCTYPE_FONTDIR: return "FONTDIR"; |
| case NE_RSCTYPE_FONT: return "FONT"; |
| case NE_RSCTYPE_ACCELERATOR: return "ACCELERATOR"; |
| case NE_RSCTYPE_RCDATA: return "RCDATA"; |
| case NE_RSCTYPE_GROUP_CURSOR: return "CURSOR_GROUP"; |
| case NE_RSCTYPE_GROUP_ICON: return "ICON_GROUP"; |
| default: |
| sprintf( buffer, "%04x", id ); |
| return buffer; |
| } |
| } |
| |
| static void dump_ne_resources( const IMAGE_OS2_HEADER *ne ) |
| { |
| const NE_NAMEINFO *name; |
| const void *res_ptr = (const char *)ne + ne->ne_rsrctab; |
| WORD size_shift = get_word(res_ptr); |
| const NE_TYPEINFO *info = (const NE_TYPEINFO *)((const WORD *)res_ptr + 1); |
| int count; |
| |
| printf( "\nResources:\n" ); |
| while (info->type_id != 0 && (const char *)info < (const char *)ne + ne->ne_restab) |
| { |
| name = (const NE_NAMEINFO *)(info + 1); |
| for (count = info->count; count > 0; count--, name++) |
| { |
| if (name->id & 0x8000) printf( " %d", (name->id & ~0x8000) ); |
| else printf( " %.*s", *((const unsigned char *)res_ptr + name->id), |
| (const char *)res_ptr + name->id + 1 ); |
| if (info->type_id & 0x8000) printf( " %s", get_resource_type(info->type_id) ); |
| else printf( " %.*s", *((const unsigned char *)res_ptr + info->type_id), |
| (const char *)res_ptr + info->type_id + 1 ); |
| printf(" flags %04x length %04x\n", name->flags, name->length << size_shift); |
| dump_data( PRD(name->offset << size_shift, name->length << size_shift), |
| name->length << size_shift, " " ); |
| } |
| info = (const NE_TYPEINFO *)name; |
| } |
| } |
| |
| static const char *get_export_name( const IMAGE_OS2_HEADER *ne, int ordinal ) |
| { |
| static char name[256]; |
| const BYTE *pstr; |
| int pass = 0; |
| |
| /* search the resident names */ |
| |
| while (pass < 2) |
| { |
| if (pass == 0) /* resident names */ |
| { |
| pstr = (const BYTE *)ne + ne->ne_restab; |
| if (*pstr) pstr += *pstr + 1 + sizeof(WORD); /* skip first entry (module name) */ |
| } |
| else /* non-resident names */ |
| { |
| if (!ne->ne_cbnrestab) break; |
| pstr = PRD(ne->ne_nrestab, 0); |
| } |
| while (*pstr) |
| { |
| WORD ord = get_word(pstr + *pstr + 1); |
| if (ord == ordinal) |
| { |
| memcpy( name, pstr + 1, *pstr ); |
| name[*pstr] = 0; |
| return name; |
| } |
| pstr += *pstr + 1 + sizeof(WORD); |
| } |
| pass++; |
| } |
| name[0] = 0; |
| return name; |
| } |
| |
| static void dump_ne_exports( const IMAGE_OS2_HEADER *ne ) |
| { |
| const BYTE *ptr = (const BYTE *)ne + ne->ne_enttab; |
| const BYTE *end = ptr + ne->ne_cbenttab; |
| int i, ordinal = 1; |
| |
| if (!ne->ne_cbenttab || !*ptr) return; |
| |
| printf( "\nExported entry points:\n" ); |
| |
| while (ptr < end && *ptr) |
| { |
| BYTE count = *ptr++; |
| BYTE type = *ptr++; |
| switch(type) |
| { |
| case 0: /* next bundle */ |
| ordinal += count; |
| break; |
| case 0xff: /* movable */ |
| for (i = 0; i < count; i++) |
| { |
| printf( " %4d MOVABLE %d:%04x %s\n", |
| ordinal + i, ptr[3], get_word(ptr + 4), |
| get_export_name( ne, ordinal + i ) ); |
| ptr += 6; |
| } |
| ordinal += count; |
| break; |
| case 0xfe: /* constant */ |
| for (i = 0; i < count; i++) |
| { |
| printf( " %4d CONST %04x %s\n", |
| ordinal + i, get_word(ptr + 1), |
| get_export_name( ne, ordinal + i ) ); |
| ptr += 3; |
| } |
| ordinal += count; |
| break; |
| default: /* fixed */ |
| for (i = 0; i < count; i++) |
| { |
| printf( " %4d FIXED %d:%04x %s\n", |
| ordinal + i, type, get_word(ptr + 1), |
| get_export_name( ne, ordinal + i ) ); |
| ptr += 3; |
| } |
| ordinal += count; |
| break; |
| } |
| } |
| } |
| |
| static const char *get_reloc_name( BYTE addr_type, int additive ) |
| { |
| switch(addr_type & 0x7f) |
| { |
| case NE_RADDR_LOWBYTE: return additive ? "byte add" : "byte"; |
| case NE_RADDR_OFFSET16: return additive ? "off16 add" : "off16"; |
| case NE_RADDR_POINTER32: return additive ? "ptr32 add" : "ptr32"; |
| case NE_RADDR_SELECTOR: return additive ? "sel add" : "sel"; |
| case NE_RADDR_POINTER48: return additive ? "ptr48 add" : "ptr48"; |
| case NE_RADDR_OFFSET32: return additive ? "off32 add" : "off32"; |
| } |
| return "???"; |
| } |
| |
| static const char *get_seg_flags( WORD flags ) |
| { |
| static char buffer[256]; |
| |
| buffer[0] = 0; |
| #define ADD_FLAG(x) if (flags & NE_SEGFLAGS_##x) strcat( buffer, " " #x ); |
| ADD_FLAG(DATA); |
| ADD_FLAG(ALLOCATED); |
| ADD_FLAG(LOADED); |
| ADD_FLAG(ITERATED); |
| ADD_FLAG(MOVEABLE); |
| ADD_FLAG(SHAREABLE); |
| ADD_FLAG(PRELOAD); |
| ADD_FLAG(EXECUTEONLY); |
| ADD_FLAG(READONLY); |
| ADD_FLAG(RELOC_DATA); |
| ADD_FLAG(SELFLOAD); |
| ADD_FLAG(DISCARDABLE); |
| ADD_FLAG(32BIT); |
| #undef ADD_FLAG |
| if (buffer[0]) |
| { |
| buffer[0] = '('; |
| strcat( buffer, ")" ); |
| } |
| return buffer; |
| } |
| |
| static void dump_relocations( const IMAGE_OS2_HEADER *ne, WORD count, |
| const struct relocation_entry *rep ) |
| { |
| const WORD *modref = (const WORD *)((const BYTE *)ne + ne->ne_modtab); |
| const BYTE *mod_name, *func_name; |
| WORD i; |
| |
| for (i = 0; i < count; i++, rep++) |
| { |
| int additive = rep->relocation_type & NE_RELFLAG_ADDITIVE; |
| switch (rep->relocation_type & 3) |
| { |
| case NE_RELTYPE_ORDINAL: |
| mod_name = (const BYTE *)ne + ne->ne_imptab + modref[rep->target1 - 1]; |
| printf( "%6d: %s = %*.*s.%d\n", i + 1, get_reloc_name( rep->address_type, additive ), |
| *mod_name, *mod_name, mod_name + 1, rep->target2 ); |
| break; |
| case NE_RELTYPE_NAME: |
| mod_name = (const BYTE *)ne + ne->ne_imptab + modref[rep->target1 - 1]; |
| func_name = (const BYTE *)ne + ne->ne_imptab + rep->target2; |
| printf( "%6d: %s = %*.*s.%*.*s\n", i + 1, get_reloc_name( rep->address_type, additive ), |
| *mod_name, *mod_name, mod_name + 1, |
| *func_name, *func_name, func_name + 1 ); |
| break; |
| case NE_RELTYPE_INTERNAL: |
| if ((rep->target1 & 0xff) == 0xff) |
| { |
| /* the module itself */ |
| mod_name = (const BYTE *)ne + ne->ne_restab; |
| printf( "%6d: %s = %*.*s.%d\n", i + 1, get_reloc_name( rep->address_type, additive ), |
| *mod_name, *mod_name, mod_name + 1, rep->target2 ); |
| } |
| else |
| printf( "%6d: %s = %d:%04x\n", i + 1, get_reloc_name( rep->address_type, additive ), |
| rep->target1, rep->target2 ); |
| break; |
| case NE_RELTYPE_OSFIXUP: |
| /* Relocation type 7: |
| * |
| * These appear to be used as fixups for the Windows |
| * floating point emulator. Let's just ignore them and |
| * try to use the hardware floating point. Linux should |
| * successfully emulate the coprocessor if it doesn't |
| * exist. |
| */ |
| printf( "%6d: %s = TYPE %d, OFFSET %04x, TARGET %04x %04x\n", |
| i + 1, get_reloc_name( rep->address_type, additive ), |
| rep->relocation_type, rep->offset, |
| rep->target1, rep->target2 ); |
| break; |
| } |
| } |
| } |
| |
| static void dump_ne_segment( const IMAGE_OS2_HEADER *ne, int segnum ) |
| { |
| const struct ne_segtable_entry *table = (const struct ne_segtable_entry *)((const BYTE *)ne + ne->ne_segtab); |
| const struct ne_segtable_entry *seg = table + segnum - 1; |
| |
| printf( "\nSegment %d:\n", segnum ); |
| printf( " File offset: %08x\n", seg->seg_data_offset << ne->ne_align ); |
| printf( " Length: %08x\n", seg->seg_data_length ); |
| printf( " Flags: %08x %s\n", seg->seg_flags, get_seg_flags(seg->seg_flags) ); |
| printf( " Alloc size: %08x\n", seg->min_alloc ); |
| if (seg->seg_flags & NE_SEGFLAGS_RELOC_DATA) |
| { |
| const BYTE *ptr = PRD((seg->seg_data_offset << ne->ne_align) + seg->seg_data_length, 0); |
| WORD count = get_word(ptr); |
| ptr += sizeof(WORD); |
| printf( " Relocations:\n" ); |
| dump_relocations( ne, count, (const struct relocation_entry *)ptr ); |
| } |
| } |
| |
| void ne_dump( void ) |
| { |
| unsigned int i; |
| const IMAGE_DOS_HEADER *dos; |
| const IMAGE_OS2_HEADER *ne; |
| |
| dos = PRD(0, sizeof(*dos)); |
| if (!dos) return; |
| ne = PRD(dos->e_lfanew, sizeof(*ne)); |
| |
| if (globals.do_dumpheader || !globals.dumpsect) |
| dump_ne_header( ne ); |
| if (globals.do_dumpheader) |
| dump_ne_names( ne ); |
| if (globals.dumpsect) |
| { |
| BOOL all = strcmp(globals.dumpsect, "ALL") == 0; |
| |
| if (all || !strcmp(globals.dumpsect, "resource")) |
| dump_ne_resources( ne ); |
| if (all || !strcmp(globals.dumpsect, "export")) |
| dump_ne_exports( ne ); |
| } |
| if (globals.do_dumpheader) |
| for (i = 1; i <= ne->ne_cseg; i++) dump_ne_segment( ne, i ); |
| } |