htcoffhd.cc Source File

00001 /*
00002  *      HT Editor
00003  *      htcoffhd.cc
00004  *
00005  *      Copyright (C) 1999-2002 Stefan Weyergraf (stefan@weyergraf.de)
00006  *
00007  *      This program is free software; you can redistribute it and/or modify
00008  *      it under the terms of the GNU General Public License version 2 as
00009  *      published by the Free Software Foundation.
00010  *
00011  *      This program is distributed in the hope that it will be useful,
00012  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  *      GNU General Public License for more details.
00015  *
00016  *      You should have received a copy of the GNU General Public License
00017  *      along with this program; if not, write to the Free Software
00018  *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00019  */
00020 
00021 #include "htatom.h"
00022 #include "htcoff.h"
00023 #include "htcoffhd.h"
00024 #include "httag.h"
00025 #include "htstring.h"
00026 #include "formats.h"
00027 #include "snprintf.h"
00028 
00029 #include <string.h>
00030 
00031 int_hash coff_machines[] =
00032 {
00033 //      {COFF_MACHINE_UNKNOWN, "generic"},
00034         {COFF_MACHINE_I386, "Intel 386"},
00035         {COFF_MACHINE_I486, "Intel 486"},
00036         {COFF_MACHINE_I586, "Intel 586"},
00037         {COFF_MACHINE_R3000BE, "R3000(be)"},
00038         {COFF_MACHINE_R3000, "R3000"},
00039         {COFF_MACHINE_R4000, "R4000"},
00040         {COFF_MACHINE_R10000, "R10000"},
00041         {COFF_MACHINE_ALPHA, "Alpha AXP"},
00042         {COFF_MACHINE_SH3, "Hitachi SH3"},
00043         {COFF_MACHINE_SH4, "Hitachi SH4"},
00044         {COFF_MACHINE_ARM, "ARM"},
00045         {COFF_MACHINE_THUMB, "THUMB"},
00046         {COFF_MACHINE_POWERPC_LE, "Power PC (little-endian)"},
00047         {COFF_MACHINE_POWERPC_BE, "Power PC (big-endian)"},
00048         {COFF_MACHINE_IA64, "Intel IA64"},
00049         {COFF_MACHINE_MIPS16, "MIPS16"},
00050         {COFF_MACHINE_68k, "Motorola 68k"},
00051         {COFF_MACHINE_ALPHA_AXP_64, "Alpha AXP 64"},
00052         {COFF_MACHINE_MIPSf, "MIPSf"},
00053         {COFF_MACHINE_MIPS16f, "MIPS16f"},
00054         {COFF_MACHINE_AMD_HAMMER, "x86-64 (AMD Opteron)"},
00055         {0, 0}
00056 };
00057 
00058 static int_hash coff_optional_magics[] =
00059 {
00060         {COFF_OPTMAGIC_ROMIMAGE, "ROM image"},
00061         {COFF_OPTMAGIC_COFF32, "COFF"},
00062         {0, 0}
00063 };
00064 
00065 static int_hash coff_optional_sizes[] =
00066 {
00067         {COFF_OPTSIZE_COFF32, "COFF32"},
00068         {COFF_OPTSIZE_XCOFF32, "XCOFF32"},
00069         {0, 0}
00070 };
00071 
00072 ht_tag_flags_s coff_characteristics[] =
00073 {
00074         {-1, "COFF - file characteristics"},
00075         {0,  "[00] relocations stripped"},
00076         {1,  "[01] file is executable"},
00077         {2,  "[02] line numbers stripped"},
00078         {3,  "[03] local symbols stripped"},
00079         {4,  "[04] aggressively trim working set"},
00080         {5,  "[05] * reserved"},
00081         {6,  "[06] * reserved"},
00082         {7,  "[07] low bytes of machine word are reversed"},
00083         {8,  "[08] 32 bit machine"},
00084         {9,  "[09] debugging information stripped"},
00085         {10, "[10] run from swap if image on removable media"},
00086         {11, "[11] run from swap if image is on net"},
00087         {12, "[12] system file"},
00088         {13, "[13] file is dynamic link library (dll)"},
00089         {14, "[14] single processor (UP) only"},
00090         {15, "[15] high bytes of machine word are reversed"},
00091         {0, 0}
00092 };
00093 
00094 ht_tag_flags_s coff_section_characteristics[] =
00095 {
00096         {-1, "COFF - section characteristics"},
00097         {0,  "[00] * reserved"},
00098         {1,  "[01] * reserved"},
00099         {2,  "[02] * reserved"},
00100         {3,  "[03] * reserved"},
00101         {4,  "[04] * reserved"},
00102         {5,  "[05] code"},
00103         {6,  "[06] initialized"},
00104         {7,  "[07] uninitialized"},
00105         {8,  "[08] * reserved"},
00106         {9,  "[09] * reserved"},
00107         {10, "[10] * reserved"},
00108         {11, "[11] link remove"},
00109         {12, "[12] comdat"},
00110         {13, "[13] * reserved"},
00111         {14, "[14] * reserved (obsolete - protected)"},
00112         {15, "[15] fardata"},
00113         {16, "[16] * reserved (obsolete - sysheap)"},
00114         {17, "[17] purgeable/16bit ?"},
00115         {18, "[18] locked"},
00116         {19, "[19] preload"},
00117         {20, "[20] * reserved"},
00118         {21, "[21] * reserved"},
00119         {22, "[22] * reserved"},
00120         {23, "[23] * reserved"},
00121         {24, "[24] extended relocations"},
00122         {25, "[25] discardable"},
00123         {26, "[26] not cachable"},
00124         {27, "[27] not pageable"},
00125         {28, "[28] shareable"},
00126         {29, "[29] executable"},
00127         {30, "[30] readable"},
00128         {31, "[31] writable"},
00129         {0, 0}
00130 };
00131 
00132 ht_mask_ptable coffheader[]=
00133 {
00134         {"machine",                     STATICTAG_EDIT_WORD_VE("00000000")" "STATICTAG_DESC_WORD_VE("00000000", ATOM_COFF_MACHINES_STR)},
00135         {"number of sections",          STATICTAG_EDIT_WORD_VE("00000002")},
00136         {"time-date stamp",             STATICTAG_EDIT_TIME("00000004")},
00137         {"pointer to symbol table",     STATICTAG_EDIT_DWORD_VE("00000008")},
00138         {"number of symbols",           STATICTAG_EDIT_DWORD_VE("0000000c")},
00139         {"size of optional header",     STATICTAG_EDIT_WORD_VE("00000010")" "STATICTAG_DESC_WORD_VE("00000010", ATOM_COFF_OPTIONAL_SIZES_STR)},
00140         {"characteristics",             STATICTAG_EDIT_WORD_VE("00000012")" "STATICTAG_FLAGS("00000012", ATOM_COFF_CHARACTERISTICS_STR)},
00141         {0, 0}
00142 };
00143 
00144 ht_mask_ptable coff32header[] = {
00145         {"optional magic",              STATICTAG_EDIT_WORD_VE("00000014")" "STATICTAG_DESC_WORD_VE("00000014", ATOM_COFF_OPTIONAL_MAGICS_STR)},
00146         {"major linker version",        STATICTAG_EDIT_BYTE("00000016")},
00147         {"minor linker version",        STATICTAG_EDIT_BYTE("00000017")},
00148         {"size of code",                STATICTAG_EDIT_DWORD_VE("00000018")},
00149         {"size of data",                STATICTAG_EDIT_DWORD_VE("0000001c")},
00150         {"size of bss",                 STATICTAG_EDIT_DWORD_VE("00000020")},
00151         {"entry point",                 STATICTAG_EDIT_DWORD_VE("00000024")},
00152         {"code base",                   STATICTAG_EDIT_DWORD_VE("00000028")},
00153         {"data base",                   STATICTAG_EDIT_DWORD_VE("0000002c")},
00154         {0, 0}
00155 };
00156 
00157 ht_mask_ptable xcoff32header[] = {
00158         {"optional magic",              STATICTAG_EDIT_WORD_VE("00000014")" "STATICTAG_DESC_WORD_VE("00000014", ATOM_COFF_OPTIONAL_MAGICS_STR)},
00159         {"major linker version",        STATICTAG_EDIT_BYTE("00000016")},
00160         {"minor linker version",        STATICTAG_EDIT_BYTE("00000017")},
00161         {"size of code",                STATICTAG_EDIT_DWORD_VE("00000018")},
00162         {"size of data",                STATICTAG_EDIT_DWORD_VE("0000001c")},
00163         {"size of bss",                 STATICTAG_EDIT_DWORD_VE("00000020")},
00164         {"address of entrypoint",       STATICTAG_EDIT_DWORD_VE("00000024")},
00165         {"code base",                   STATICTAG_EDIT_DWORD_VE("00000028")},
00166         {"data base",                   STATICTAG_EDIT_DWORD_VE("0000002c")},
00167         {"address of TOC anchor",       STATICTAG_EDIT_DWORD_VE("00000030")},
00168         {"section of entrypoint",       STATICTAG_EDIT_WORD_VE("00000034")},
00169         {"section of .text",            STATICTAG_EDIT_WORD_VE("00000036")},
00170         {"section of .data",            STATICTAG_EDIT_WORD_VE("00000038")},
00171         {"section of TOC",              STATICTAG_EDIT_WORD_VE("0000003a")},
00172         {"section of loader data",      STATICTAG_EDIT_WORD_VE("0000003c")},
00173         {"section of .bss",             STATICTAG_EDIT_WORD_VE("0000003e")},
00174         {"max. alignment for .text",    STATICTAG_EDIT_WORD_VE("00000040")},
00175         {"max. alignment for .data",    STATICTAG_EDIT_WORD_VE("00000042")},
00176         {"module type field",           STATICTAG_EDIT_WORD_VE("00000044")},
00177         {"cpu type",                    STATICTAG_EDIT_BYTE("00000046")},
00178         {"cpu type (reserved)",         STATICTAG_EDIT_BYTE("00000047")},
00179         {"max. stack size",             STATICTAG_EDIT_DWORD_VE("00000048")},
00180         {"max. data size",              STATICTAG_EDIT_DWORD_VE("0000004c")},
00181         {"reserved for debuggers",      STATICTAG_EDIT_DWORD_VE("00000050")},
00182         {"reserved field",              STATICTAG_EDIT_DWORD_VE("00000054")},
00183         {"reserved field",              STATICTAG_EDIT_DWORD_VE("00000058")},
00184         {0, 0}
00185 };
00186 
00187 ht_mask_ptable coff_section[] = {
00188         {"name",                        STATICTAG_EDIT_CHAR("00000000") STATICTAG_EDIT_CHAR("00000001") STATICTAG_EDIT_CHAR("00000002") STATICTAG_EDIT_CHAR("00000003") STATICTAG_EDIT_CHAR("00000004") STATICTAG_EDIT_CHAR("00000005") STATICTAG_EDIT_CHAR("00000006") STATICTAG_EDIT_CHAR("00000007")},
00189         {"virt. size OR phys. address",         STATICTAG_EDIT_DWORD_VE("00000008")},
00190         {"virtual address",             STATICTAG_EDIT_DWORD_VE("0000000c")},
00191         {"size",                        STATICTAG_EDIT_DWORD_VE("00000010")},
00192         {"offset",                      STATICTAG_EDIT_DWORD_VE("00000014")},
00193         {"relocation table offset",     STATICTAG_EDIT_DWORD_VE("00000018")},
00194         {"line number table offset",    STATICTAG_EDIT_DWORD_VE("0000001c")},
00195         {"relocation count",            STATICTAG_EDIT_WORD_VE("00000020")},
00196         {"line number count",           STATICTAG_EDIT_WORD_VE("00000022")},
00197         {"characteristics",             STATICTAG_EDIT_DWORD_VE("00000024")" "STATICTAG_FLAGS("00000024", ATOM_COFF_SECTION_CHARACTERISTICS_STR)},
00198         {0, 0}
00199 };
00200 
00201 static ht_view *htcoffheader_init(bounds *b, ht_streamfile *file, ht_format_group *group)
00202 {
00203         ht_coff_shared_data *coff_shared = (ht_coff_shared_data *)group->get_shared_data();
00204         bool coff_bigendian = coff_shared->endian == big_endian;
00205 
00206         dword h = coff_shared->hdr_ofs;
00207         ht_uformat_viewer *v = new ht_uformat_viewer();
00208         v->init(b, DESC_COFF_HEADER, VC_EDIT, file, group);
00209 
00210         ht_mask_sub *m = new ht_mask_sub();
00211         m->init(file, 0);
00212         register_atom(ATOM_COFF_MACHINES, coff_machines);
00213         register_atom(ATOM_COFF_OPTIONAL_MAGICS, coff_optional_magics);
00214         register_atom(ATOM_COFF_OPTIONAL_SIZES, coff_optional_sizes);
00215         register_atom(ATOM_COFF_CHARACTERISTICS, coff_characteristics);
00216         register_atom(ATOM_COFF_SECTION_CHARACTERISTICS, coff_section_characteristics);
00217         char info[128];
00218         ht_snprintf(info, sizeof info, "* COFF header at offset %08x", h);
00219         m->add_mask(info);
00220 
00221         /* COFF header */
00222         m->add_mask("--- COFF header ---");
00223         m->add_staticmask_ptable(coffheader, h, coff_bigendian);
00224         /* optional header */
00225         if (coff_shared->coffheader.optional_header_size >= 2) {
00226                 m->add_mask("--- optional header ---");
00227                 word opt = coff_shared->opt_magic;
00228 /*              file->seek(h+20);
00229                 file->read(&opt, 2);*/
00230                 switch (opt) {
00231                         case COFF_OPTMAGIC_COFF32:
00232                                 switch (coff_shared->coffheader.optional_header_size) {
00233                                         case COFF_OPTSIZE_COFF32:
00234                                                 m->add_staticmask_ptable(coff32header, h, coff_bigendian);
00235                                                 break;
00236                                         case COFF_OPTSIZE_XCOFF32:
00237                                                 m->add_staticmask_ptable(xcoff32header, h, coff_bigendian);
00238                                                 break;
00239                                 }
00240                                 break;
00241                         default: {
00242                                 m->add_staticmask("optional magic                                   "STATICTAG_EDIT_WORD_VE("00000018")" "STATICTAG_DESC_WORD_VE("00000018", ATOM_COFF_OPTIONAL_MAGICS_STR), h+20, coff_bigendian);
00243                                 m->add_mask("-------------------------------------------------------------------------");
00244                                 m->add_mask("Unsupported optional magic ! If you get this message in an original");
00245                                 m->add_mask("(unmodified) file, please contact us (see help).");
00246                         }
00247                 }
00248         }
00249         /* section headers */
00250         int sc = coff_shared->sections.section_count;
00251         int os = coff_shared->coffheader.optional_header_size;
00252 /*      file->seek(h+16);
00253         file->read(&os, 2);
00254         file->seek(h+os+20);*/
00255         v->insertsub(m);
00256 
00257         for (int i=0; i < sc; i++) {
00258                 ht_mask_sub *n=new ht_mask_sub();
00259                 n->init(file, i);
00260 
00261                 n->add_staticmask_ptable(coff_section, h+20+os+i*40, coff_bigendian);
00262 
00263                 char nm[9];
00264                 memmove(nm, coff_shared->sections.sections[i].name, 8);
00265                 nm[8] = 0;
00266 
00267                 char t[32];
00268                 ht_snprintf(t, sizeof t, "section %d: %s", i, nm);
00269 
00270                 ht_collapsable_sub *cn=new ht_collapsable_sub();
00271                 cn->init(file, n, 1, t, 1);
00272 
00273                 v->insertsub(cn);
00274         }
00275         return v;
00276 }
00277 
00278 format_viewer_if htcoffheader_if = {
00279         htcoffheader_init,
00280         0
00281 };