void PrintPublics( void ) { int loop; label_entry entry; hash_data * data_ptr; section_ptr sec; // fixme: data labels get a _ in front, others one after ?? BufferMsg( LIST_OF_PUBLICS ); BufferMsg( SYMBOL ); BufferConcat("\t\t\t"); BufferMsg( SECTION ); BufferConcat("\t\t\t"); BufferMsg( OFFSET ); BufferConcatNL(); BufferPrint(); Print( "--------------------------------------------------------\n" ); for( loop = 0; loop < Publics.number; loop++ ) { entry = Publics.public_symbols[loop]; BufferConcat( entry->label.name ); data_ptr = HashTableQuery( HandleToSectionTable, (hash_value) entry->shnd ); // fixme: what is the proper behavour if no section found?? if( data_ptr ) { sec = (section_ptr) *data_ptr; BufferAlignToTab( SECTION_TAB_POS ); BufferConcat( sec->name ); } BufferAlignToTab( ADDRESS_TAB_POS ); BufferStore( "%08X\n", entry->offset ); BufferPrint(); } }
static size_t tryDUP( unsigned_8 *bytes, size_t i, size_t size ) { size_t d; size_t dup; dis_value value; if( i >= ( size - ( 8 * MIN_DUP_LINES ) ) ) return( 0 ); for( d = i + 8; d < ( size - 8 ); d += 8 ) { if( memcmp( &bytes[i], &bytes[d], 8 ) ) { return( 0 ); } } d -= i; dup = d / 8; if( dup < MIN_DUP_LINES ) return( 0 ); BufferStore( "0%XH DUP(", dup ); value.u._32[I64HI32] = 0; for( dup = 0; dup < 7; dup++ ) { value.u._32[I64LO32] = bytes[i + dup]; BufferHex( 2, value ); BufferConcat( "," ); } value.u._32[I64LO32] = bytes[i + 7]; BufferHex( 2, value ); BufferConcat( ")" ); return( d ); }
static void printOut( const char *string, size_t offset, size_t size ) { const char *string_left; size_t item_size; bool ascii; /* unused parameters */ (void)offset; ascii = !IsMasmOutput(); item_size = 0; string_left = string; for( ; string_left < ( string + size ); ) { if( !ascii || !printableString( string_left ) || strlen( string_left ) == 0 ) { printRest( (unsigned_8 *)string_left, size - (size_t)( string_left - string ) ); break; } if( strlen( string_left ) < ( size - item_size ) ) { BufferConcat( " .asciiz\t" ); item_size = printString( string_left, ASCIZ ); } else { BufferConcat( " .ascii\t" ); item_size = printString( string_left, ASCII ); } string_left += item_size; BufferConcatNL(); BufferPrint(); } }
static size_t tryDUP( unsigned_8 *bytes, size_t i, size_t size ) { size_t d; size_t dup; if( i >= ( size - ( 8 * MIN_DUP_LINES ) ) ) return( 0 ); for( d = i + 8; d < ( size - 8 ); d += 8 ) { if( memcmp( &bytes[i], &bytes[d], 8 ) ) { return( 0 ); } } d -= i; dup = d / 8; if( dup < MIN_DUP_LINES ) return( 0 ); BufferStore( "0%XH DUP(", dup ); for( dup = 0; dup < 7; dup++ ) { BufferHex( 2, bytes[i + dup] ); BufferConcat( "," ); } BufferHex( 2, bytes[i + 7] ); BufferConcat( ")" ); return( d ); }
static void printOut( char *string, size_t offset, size_t size ) { char * string_left = string; size_t curr_pos = 0; int ascii; offset = offset; ascii = !IsMasmOutput(); for( ;; ) { if( string_left < ( string + size ) ) { if( ascii && printableString( string_left ) && strlen( string_left ) > 0 ) { if( strlen( string_left ) < ( size - curr_pos ) ) { BufferConcat( " .asciiz\t" ); curr_pos = printString( string_left, ASCIZ ); } else { BufferConcat( " .ascii\t" ); curr_pos = printString( string_left, ASCII ); } string_left += curr_pos; } else { printRest( (unsigned_8 *)string_left, size - (size_t)( string_left - string ) ); break; } } else { break; } BufferConcatNL(); BufferPrint(); } }
unsigned HandleRefInData( ref_entry r_entry, void *data, bool asmLabels ) { unsigned rv; const char * const *types; char buff[MAX_SYM_LEN]; // fixme: should be TS_MAX_OBJNAME or something dis_value value; if( IsMasmOutput() ) { types = masmTypes; } else { types = unixTypes; } rv = RelocSize( r_entry ); value.u._32[I64HI32] = 0; switch( rv ) { case 6: value.u._32[I64LO32] = *(unsigned_32 *)data; break; case 4: value.u._32[I64LO32] = *(unsigned_32 *)data; break; case 2: value.u._32[I64LO32] = *(unsigned_16 *)data; break; case 1: value.u._32[I64LO32] = *(unsigned_8 *)data; break; case 8: value.u._32[I64LO32] = 0; break; default: value.u._32[I64LO32] = 0; break; } if( asmLabels && types[rv] != NULL ) { BufferConcat( types[rv] ); } HandleAReference( value, 0, RFLAG_DEFAULT | RFLAG_IS_IMMED, r_entry->offset, r_entry->offset + rv, &r_entry, buff ); BufferConcat( buff ); switch( rv ) { case 8: value.u._32[I64LO32] = *(unsigned_32 *)data; value.u._32[I64HI32] = *((unsigned_32 *)data + 1); if( value.u._32[I64LO32] != 0 || value.u._32[I64HI32] != 0 ) { BufferConcat( "+" ); if( value.u._32[I64HI32] != 0 ) { BufferStore( "0x%x", value.u._32[I64HI32] ); BufferStore( "%08x", value.u._32[I64LO32] ); } else { BufferStore( "0x%x", value.u._32[I64LO32] ); } } break; } return( rv ); }
static void printRest( unsigned_8 *bytes, size_t size ) { size_t i; size_t d; const char *btype; bool is_masm; dis_value value; is_masm = IsMasmOutput(); if( is_masm ) { btype = " DB\t"; } else { btype = " .byte\t"; } BufferConcat( btype ); value.u._32[I64HI32] = 0; for( i = 0; i < size; ) { // see if we can replace large chunks of homogenous // segment space by using the DUP macro if( is_masm && (i % 8) == 0 ) { d = tryDUP( bytes, i, size ); if( d > 0 ) { i += d; if( i < size ) { BufferConcatNL(); BufferConcat( btype ); BufferPrint(); } continue; } } value.u._32[I64LO32] = bytes[i]; BufferHex( 2, value ); if( i < size - 1 ) { if( (i % 8) == 7 ) { BufferConcatNL(); BufferConcat( btype ); BufferPrint(); } else { BufferConcat( ", " ); } } i++; } BufferConcatNL(); BufferPrint(); }
void PrintExterns( externs sec_externs ) { int loop; ref_entry entry; label_entry prev_label = NULL; BufferMsg( EXTERNAL_REFS ); BufferConcatNL(); BufferConcatNL(); BufferMsg( SYMBOL ); BufferConcatNL(); BufferConcat( "-------" ); BufferPrint(); for( loop = 0; loop < sec_externs->number; loop++ ) { entry = sec_externs->extern_refs[loop]; if( prev_label != entry->label ) { BufferStore( "\n%s", entry->label->label.name ); BufferAlignToTab( ADDRESSES_POS ); BufferPrint(); prev_label = entry->label; } BufferStore( "%04X ", entry->offset ); } BufferPrint(); Print( "\n\n" ); }
static label_entry handleLabels( char *sec_name, orl_sec_offset offset, orl_sec_offset end, label_entry l_entry, orl_sec_size size ) // handle any labels at this offset and skip all unused non-label symbols { bool is32bit; is32bit = ( size >= 0x10000 ); for( ; ( l_entry != NULL ) && ( l_entry->offset < end ); l_entry = l_entry->next ) { switch( l_entry->type ) { case LTYP_SECTION: case LTYP_NAMED: if( strcmp( l_entry->label.name, sec_name ) == 0 ) continue; /* fall through */ case LTYP_UNNAMED: if( l_entry->offset > offset ) return( l_entry ); break; case LTYP_ABSOLUTE: case LTYP_FUNC_INFO: default: continue; } switch( l_entry->type ) { case LTYP_NAMED: if( !( DFormat & DFF_ASM ) ) { if( offset != 0 && l_entry->binding == ORL_SYM_BINDING_GLOBAL ) { routineSize = offset - routineBase; BufferConcatNL(); BufferMsg( ROUTINE_SIZE ); BufferStore(" %d ", routineSize ); BufferMsg( BYTES ); BufferConcat(", "); BufferMsg( ROUTINE_BASE ); BufferStore(" %s + %04X\n\n", sec_name, routineBase ); routineBase = offset; } } case LTYP_SECTION: if( !( DFormat & DFF_ASM ) ) { PrintLinePrefixAddress( offset, is32bit ); BufferAlignToTab( PREFIX_SIZE_TABS ); } BufferStore( "%s:\n", l_entry->label.name ); break; case LTYP_UNNAMED: if( !( DFormat & DFF_ASM ) ) { PrintLinePrefixAddress( offset, is32bit ); BufferAlignToTab( PREFIX_SIZE_TABS ); } BufferStore( "%c$%d:\n", LabelChar, l_entry->label.number ); break; } BufferPrint(); } return( l_entry ); }
static return_val bssMasmASMSection( section_ptr section, dis_sec_size size, label_entry l_entry ) { size_t offset = OFFSET_UNDEF; dis_value value; PrintHeader( section ); value.u._32[I64HI32] = 0; for( ; l_entry != NULL; l_entry = l_entry->next ) { if( l_entry->type != LTYP_SECTION ) { if( offset != l_entry->offset ) { BufferStore( " ORG " ); value.u._32[I64LO32] = l_entry->offset; BufferHex( 8, value ); offset = l_entry->offset; BufferConcatNL(); BufferPrint(); } switch( l_entry->type ) { case LTYP_UNNAMED: BufferStore( "%c$%d", LabelChar, l_entry->label.number ); break; case LTYP_SECTION: case LTYP_NAMED: BufferStore( "%s", l_entry->label.name ); break; } BufferConcat( " LABEL\tBYTE" ); BufferConcatNL(); BufferPrint(); } } if( offset == OFFSET_UNDEF ) { if( size > 0 ) { BufferStore( " ORG 0" ); BufferConcatNL(); BufferPrint(); } offset = 0; } if( size > offset ) { BufferStore( " ORG " ); value.u._32[I64LO32] = size; BufferHex( 8, value ); BufferConcatNL(); BufferPrint(); } PrintTail( section ); BufferConcatNL(); BufferPrint(); return( RC_OKAY ); }
return_val DumpASMGroupMember( char *name ) { assert( name ); if( useComma ) { BufferConcat( "," ); } BufferQuoteName( name ); useComma = 1; return( RC_OKAY ); }
static void printMasmHeader( section_ptr sec ) { orl_sec_alignment alignment; orl_sec_flags flags; orl_sec_type type; orl_sec_frame frame; orl_sec_combine combine; orl_sec_size size; char *name; char *class; char *gname; char *astr; orl_sec_handle sh; orl_group_handle grp = NULL; char comname[ MAX_LINE_LEN ]; size = ORLSecGetSize( sec->shnd ); // Load all necessary information name = sec->name; if( !name ) { name = ""; } type = ORLSecGetType( sec->shnd ); flags = ORLSecGetFlags( sec->shnd ); frame = ORLSecGetAbsFrame( sec->shnd ); if( DFormat & DFF_ASM ) { class = ORLSecGetClassName( sec->shnd ); if( !class ) { class = ""; } if( flags & ORL_SEC_FLAG_COMDAT ) { BufferConcat( "; ERROR: Comdat symbols cannot be assembled." ); } else if( frame == ORL_SEC_NO_ABS_FRAME ) { alignment = ORLSecGetAlignment( sec->shnd ); combine = ORLSecGetCombine( sec->shnd ); BufferQuoteName( name ); BufferStore( "\t\tSEGMENT\t%s %s %s '%s'", getAlignment( alignment ), getCombine( combine ), getUse( flags ), class ); } else {
static return_val bssUnixASMSection( section_ptr sec, orl_sec_size size, label_entry l_entry ) { orl_sec_offset dsiz = 0; char *prefix; label_entry prev_entry; if( ( size == 0 ) && ( l_entry == NULL ) ) return( RC_OKAY ); PrintHeader( sec ); prev_entry = NULL; for( ; l_entry != NULL; l_entry = l_entry->next ) { if( ( l_entry->type == LTYP_SECTION ) && ( strcmp( l_entry->label.name, sec->name ) == 0 ) ) { continue; } else if( prev_entry == NULL ) { prev_entry = l_entry; continue; } else if( prev_entry->offset > l_entry->offset ) { continue; } else if( prev_entry->offset == l_entry->offset ) { dsiz = 0; prefix = ""; } else { dsiz = l_entry->offset - prev_entry->offset; prefix = " .lcomm\t"; } switch( prev_entry->type ) { case LTYP_UNNAMED: BufferStore( "%s%c$%d", prefix, LabelChar, prev_entry->label.number ); break; case LTYP_SECTION: case LTYP_NAMED: BufferStore( "%s%s", prefix, prev_entry->label.name ); break; default: break; } if( dsiz ) { BufferStore( ", 0x%08x", dsiz ); } else { BufferConcat( ":" ); } BufferConcatNL(); BufferPrint(); prev_entry = l_entry; } if( prev_entry != NULL ) { if( prev_entry->offset < size ) { dsiz = size - prev_entry->offset; prefix = " .lcomm\t"; } else { dsiz = 0; prefix = ""; } switch( prev_entry->type ) { case LTYP_UNNAMED: BufferStore( "%s%c$%d", prefix, LabelChar, prev_entry->label.number ); break; case LTYP_SECTION: case LTYP_NAMED: BufferStore( "%s%s", prefix, prev_entry->label.name ); break; default: break; } if( dsiz ) { BufferStore( ", 0x%08x", dsiz ); } else { BufferConcat( ":" ); } BufferConcatNL(); BufferPrint(); } BufferConcatNL(); BufferPrint(); return( RC_OKAY ); }
return_val DumpASMDataFromSection( unsigned_8 *contents, orl_sec_offset start, orl_sec_offset end, label_entry *labent, ref_entry *refent, section_ptr sec ) { size_t curr_pos; size_t curr_size; size_t tmp_size; size_t size; label_entry l_entry; ref_entry r_entry; char *buffer; l_entry = *labent; r_entry = *refent; size = end - start; if( size < sizeof( unsigned_32 ) ) size = sizeof( unsigned_32 ); buffer = MemAlloc( size + 1 ); if( !buffer ) { PrintErrorMsg( RC_OUT_OF_MEMORY, WHERE_PRINT_SECTION ); return( RC_OUT_OF_MEMORY ); } for( curr_pos = start; curr_pos < end; curr_pos += curr_size ) { /* dump labels */ l_entry = dumpAsmLabel( l_entry, sec, curr_pos, end, contents, buffer ); curr_size = end - curr_pos; if( l_entry != NULL ) { tmp_size = l_entry->offset - curr_pos; if( tmp_size < curr_size ) { curr_size = tmp_size; } } /* Skip over pair relocs */ while( r_entry != NULL && (r_entry->type == ORL_RELOC_TYPE_PAIR || r_entry->offset < curr_pos) ) { r_entry = r_entry->next; } if( r_entry != NULL && r_entry->offset < (curr_pos + curr_size) ) { if( r_entry->offset == curr_pos ) { BufferConcat(" "); curr_size = HandleRefInData(r_entry, contents + curr_pos, TRUE); BufferConcatNL(); BufferPrint(); continue; } else { tmp_size = r_entry->offset - curr_pos; if( tmp_size < curr_size ) { curr_size = tmp_size; } } } memcpy( buffer, (contents + curr_pos), curr_size ); buffer[ curr_size ] = 0; printOut( buffer, curr_pos, curr_size ); } *labent = l_entry; *refent = r_entry; MemFree( buffer ); return( RC_OKAY ); }
size_t HandleAReference( dis_value value, int ins_size, ref_flags flags, orl_sec_offset offset, orl_sec_size sec_size, ref_entry * r_entry, char *buff ) // handle any references at this offset { return_val error; dis_value nvalue; char *p; buff[0] = '\0'; for( ; *r_entry && (*r_entry)->offset == offset; *r_entry = (*r_entry)->next ) { if( (*r_entry)->no_val == 0 ) { nvalue = value; } else if( (*r_entry)->addend ) { nvalue = HandleAddend( *r_entry ); } else { nvalue = 0; } switch( (*r_entry)->type ) { case ORL_RELOC_TYPE_MAX + 1: case ORL_RELOC_TYPE_JUMP: case ORL_RELOC_TYPE_REL_21_SH: case ORL_RELOC_TYPE_WORD_26: error = referenceString( *r_entry, sec_size, "j^", "", "", buff, flags ); if( error != RC_OKAY ) { // label is defined to be beyond the boundaries of the section! if( !(DFormat & DFF_ASM) ){ BufferStore("\t %04X", offset ); BufferAlignToTab( COMMENT_TAB_POS ); } else { BufferConcat("\t" ); } BufferConcat( CommentString ); BufferMsg( LABEL_BEYOND_SECTION ); BufferConcatNL(); BufferPrint(); *r_entry = (*r_entry)->next; return( 0 ); } continue; // Don't print addend break; case ORL_RELOC_TYPE_SEC_REL: referenceString( *r_entry, sec_size, "s^", "s^", "@s", buff, flags ); break; case ORL_RELOC_TYPE_HALF_HI: referenceString( *r_entry, sec_size, "h^", "h^", "@h", buff, flags ); break; case ORL_RELOC_TYPE_HALF_HA: referenceString( *r_entry, sec_size, "ha^", "ha^", "@ha", buff, flags ); break; case ORL_RELOC_TYPE_HALF_LO: referenceString( *r_entry, sec_size, "l^", "l^", "@l", buff, flags ); break; case ORL_RELOC_TYPE_REL_14: case ORL_RELOC_TYPE_REL_24: case ORL_RELOC_TYPE_WORD_14: case ORL_RELOC_TYPE_WORD_24: nvalue &= ~0x3; case ORL_RELOC_TYPE_WORD_16: case ORL_RELOC_TYPE_WORD_32: case ORL_RELOC_TYPE_WORD_64: if( ( (*r_entry)->label->type != LTYP_GROUP ) && ( flags & RFLAG_IS_IMMED ) && IsMasmOutput() ) { referenceString( *r_entry, sec_size, "offset ", "offset ", "", buff, flags ); } else { referenceString( *r_entry, sec_size, "", "", "", buff, flags ); } break; case ORL_RELOC_TYPE_REL_16: if( IsIntelx86() && !(*r_entry)->no_val ) { nvalue -= ins_size; } if( ( (*r_entry)->label->type != LTYP_GROUP ) && ( flags & RFLAG_IS_IMMED ) && IsMasmOutput() ) { referenceString( *r_entry, sec_size, "offset ", "offset ", "", buff, flags ); } else { referenceString( *r_entry, sec_size, "", "", "", buff, flags ); } break; case ORL_RELOC_TYPE_WORD_8: case ORL_RELOC_TYPE_WORD_16_SEG: case ORL_RELOC_TYPE_WORD_HI_8: case ORL_RELOC_TYPE_WORD_32_SEG: // Keep these seperate because they are OMF specific referenceString( *r_entry, sec_size, "", "", "", buff, flags ); break; case ORL_RELOC_TYPE_SEGMENT: if( ( (*r_entry)->label->type != LTYP_GROUP ) && ( (*r_entry)->label->type != LTYP_SECTION ) && ( flags & RFLAG_IS_IMMED ) && IsMasmOutput() ) { referenceString( *r_entry, sec_size, "seg ", "seg ", "", buff, flags ); } else { referenceString( *r_entry, sec_size, "", "", "", buff, flags ); } break; case ORL_RELOC_TYPE_REL_32_NOADJ: // this is a little kluge because Brian's ELF files seem to have // -4 in the implicit addend for calls and such BBB May 09, 1997 nvalue += 4; // fall through case ORL_RELOC_TYPE_REL_8: case ORL_RELOC_TYPE_REL_16_SEG: case ORL_RELOC_TYPE_REL_HI_8: case ORL_RELOC_TYPE_REL_32_SEG: case ORL_RELOC_TYPE_REL_32: case ORL_RELOC_TYPE_REL_32_ADJ5: case ORL_RELOC_TYPE_REL_32_ADJ4: case ORL_RELOC_TYPE_REL_32_ADJ3: case ORL_RELOC_TYPE_REL_32_ADJ2: case ORL_RELOC_TYPE_REL_32_ADJ1: // For some reason we add the instruction size to the value // of the displacement in a relative call and get a bad // offset, due to CORE implementation // // Main reason : // instruction size with displacement and with addend is correct for // relative addresses without relocate // // in amd64 code the instruction size will be added in pass1.c! if( (*r_entry)->no_val == 0 && !( GetMachineType() == ORL_MACHINE_TYPE_AMD64 ) ) { nvalue -= ins_size; } referenceString( *r_entry, sec_size, "", "", "", buff, flags ); break; case ORL_RELOC_TYPE_TOCREL_14: nvalue &= ~0x3; case ORL_RELOC_TYPE_TOCREL_16: referenceString( *r_entry, sec_size, "[toc]", "[toc]", "@toc", buff, flags ); break; case ORL_RELOC_TYPE_TOCVREL_14: nvalue &= ~0x3; case ORL_RELOC_TYPE_TOCVREL_16: referenceString( *r_entry, sec_size, "[tocv]", "[tocv]", "@tocv", buff, flags ); break; case ORL_RELOC_TYPE_GOT_16: referenceString( *r_entry, sec_size, "", "", "@got", buff, flags ); break; case ORL_RELOC_TYPE_GOT_16_HI: referenceString( *r_entry, sec_size, "", "", "@got@h", buff, flags ); break; case ORL_RELOC_TYPE_GOT_16_HA: referenceString( *r_entry, sec_size, "", "", "@got@ha", buff, flags ); break; case ORL_RELOC_TYPE_GOT_16_LO: referenceString( *r_entry, sec_size, "", "", "@got@l", buff, flags ); break; case ORL_RELOC_TYPE_PLTREL_24: case ORL_RELOC_TYPE_PLTREL_32: case ORL_RELOC_TYPE_PLT_32: referenceString( *r_entry, sec_size, "", "", "@plt", buff, flags ); break; case ORL_RELOC_TYPE_PLT_16_HI: referenceString( *r_entry, sec_size, "", "", "@plt@h", buff, flags ); break; case ORL_RELOC_TYPE_PLT_16_HA: referenceString( *r_entry, sec_size, "", "", "@plt@ha", buff, flags ); break; case ORL_RELOC_TYPE_PLT_16_LO: referenceString( *r_entry, sec_size, "", "", "@plt@l", buff, flags ); break; default: continue; } // LTYP_UNNAMED labels are always at the correct location // if( nvalue != 0 && (*r_entry)->label->type != LTYP_UNNAMED ) { // not so - BBB Oct 28, 1996 if(( (*r_entry)->no_val == 0 ) && ( nvalue != 0 )) { p = &buff[strlen(buff)]; if( nvalue < 0 ) { *p++ = '-'; nvalue = -nvalue; } else { *p++ = '+'; } FmtHexNum( p, 0, nvalue, FALSE ); } } return( strlen( buff ) ); }
orl_sec_offset HandleRefInData( ref_entry r_entry, void *data, bool asmLabels ) { orl_sec_offset rv; const char * const *types; char buff[MAX_SYM_LEN]; // fixme: should be TS_MAX_OBJNAME or something if( IsMasmOutput() ) { types = masmTypes; } else { types = unixTypes; } rv = RelocSize( r_entry ); switch( rv ) { case 6: if( asmLabels && types[rv] ) { BufferConcat( types[rv] ); } HandleAReference(*((unsigned_32 *)data), 0, RFLAG_DEFAULT | RFLAG_IS_IMMED, r_entry->offset, r_entry->offset + rv, &r_entry, buff ); BufferConcat( buff ); break; case 4: if( asmLabels ) { BufferConcat( types[rv] ); } HandleAReference(*((unsigned_32 *)data), 0, RFLAG_DEFAULT | RFLAG_IS_IMMED, r_entry->offset, r_entry->offset + rv, &r_entry, buff ); BufferConcat( buff ); break; case 2: if( asmLabels ) { BufferConcat( types[rv] ); } HandleAReference(*((unsigned_16 *)data), 0, RFLAG_DEFAULT | RFLAG_IS_IMMED, r_entry->offset, r_entry->offset + rv, &r_entry, buff ); BufferConcat( buff ); break; case 1: if( asmLabels ) { BufferConcat( types[rv] ); } HandleAReference(*((unsigned_8 *)data), 0, RFLAG_DEFAULT | RFLAG_IS_IMMED, r_entry->offset, r_entry->offset + rv, &r_entry, buff ); BufferConcat( buff ); break; case 8: if( asmLabels ) { BufferConcat( types[rv] ); } HandleAReference( 0, 0, RFLAG_DEFAULT | RFLAG_IS_IMMED, r_entry->offset, r_entry->offset + rv, &r_entry, buff ); BufferConcat( buff ); if( *((long *)data)!=0 || *((long *)data+4)!=0 ) { BufferConcat("+"); if( *((long *)data+4)!=0 ) { BufferStore("0x%x", *((long *)data+4) ); BufferStore("%08x", *((long *)data) ); } else { BufferStore("0x%x", *((long *)data) ); } } break; } return( rv ); }
num_errors DoPass2( section_ptr sec, unsigned_8 *contents, orl_sec_size size, label_list sec_label_list, ref_list sec_ref_list ) // perform pass 2 on one section { struct pass2 data; label_entry l_entry; dis_dec_ins decoded; char name[ MAX_INS_NAME ]; char ops[ MAX_OBJ_NAME + 24 ]; // at most 1 label/relocation per instruction, plus room for registers, brackets and other crap dis_inst_flags flags; scantab_ptr st; int is_intel; sa_disasm_struct sds; char *FPU_fixup; int pos_tabs; bool is32bit; routineBase = 0; st = sec->scan; data.size = size; sds.data = contents; sds.last = size - 1; l_entry = NULL; if( sec_label_list != NULL ) { l_entry = sec_label_list->first; } if( sec_ref_list != NULL ) { data.r_entry = sec_ref_list->first; } else { data.r_entry = NULL; } data.disassembly_errors = 0; if( source_mix ) { GetSourceFile( sec ); } PrintHeader( sec ); if( size && sec_label_list ) PrintAssumeHeader( sec ); flags.u.all = DIF_NONE; if( GetMachineType() == ORL_MACHINE_TYPE_I386 ) { if( ( GetFormat() != ORL_OMF ) || ( ORLSecGetFlags( sec->shnd ) & ORL_SEC_FLAG_USE_32 ) ) { flags.u.x86 = DIF_X86_USE32_FLAGS; } is_intel = 1; } else { is_intel = IsIntelx86(); } is32bit = ( size >= 0x10000 ); for( data.loop = 0; data.loop < size; data.loop += decoded.size ) { // process data in code segment while( st && ( data.loop > st->end ) ) { st = st->next; } if( st && ( data.loop >= st->start ) ) { decoded.size = 0; processDataInCode( sec, contents, &data, st->end - data.loop, &l_entry ); st = st->next; continue; } // data may not be listed in scan table, but a fixup at this offset will // give it away while( data.r_entry && ( data.r_entry->offset < data.loop ) ) { data.r_entry = data.r_entry->next; } FPU_fixup = processFpuEmulatorFixup( &data.r_entry, data.loop ); if( data.r_entry && ( data.r_entry->offset == data.loop ) ) { if( is_intel || IsDataReloc( data.r_entry ) ) { // we just skip the data decoded.size = 0; processDataInCode( sec, contents, &data, RelocSize( data.r_entry ), &l_entry ); continue; } } if( source_mix ) { MixSource( data.loop ); } DisDecodeInit( &DHnd, &decoded ); decoded.flags.u.all |= flags.u.all; sds.offs = data.loop; DisDecode( &DHnd, &sds, &decoded ); if( sec_label_list ) { l_entry = handleLabels( sec->name, data.loop, data.loop + decoded.size, l_entry, size ); if( ( l_entry != NULL ) && ( l_entry->offset > data.loop ) && ( l_entry->offset < data.loop + decoded.size ) ) { /* If we have a label planted in the middle of this instruction (see inline memchr for example), put out a couple of data bytes, and then restart decode and label process from offset of actual label. */ decoded.size = 0; processDataInCode( sec, contents, &data, l_entry->offset - data.loop, &l_entry ); continue; } } DisFormat( &DHnd, &data, &decoded, DFormat, name, sizeof( name ), ops, sizeof( ops ) ); if( FPU_fixup != NULL ) { if( !(DFormat & DFF_ASM) ) { BufferAlignToTab( PREFIX_SIZE_TABS ); } BufferStore( "\t%sFPU fixup %s\n", CommentString, FPU_fixup ); } if( !(DFormat & DFF_ASM) ) { unsigned_64 *tmp_64; unsigned_32 *tmp_32; unsigned_16 *tmp_16; tmp_64 = (unsigned_64 *)(contents + data.loop); tmp_32 = (unsigned_32 *)(contents + data.loop); tmp_16 = (unsigned_16 *)(contents + data.loop); if( DHnd.need_bswap ) { switch( DisInsSizeInc( &DHnd ) ) { //case 8: SWAP_64( *tmp_64 ); // break; case 4: SWAP_32( *tmp_32 ); break; case 2: SWAP_16( *tmp_16 ); break; default: break; } } PrintLinePrefixAddress( data.loop, is32bit ); PrintLinePrefixData( contents, data.loop, size, DisInsSizeInc( &DHnd ), decoded.size ); BufferAlignToTab( PREFIX_SIZE_TABS ); } BufferStore( "\t%s", name ); if( *ops != '\0' ) { pos_tabs = ( DisInsNameMax( &DHnd ) + TAB_WIDTH ) / TAB_WIDTH + 1; if( !(DFormat & DFF_ASM) ) { pos_tabs += PREFIX_SIZE_TABS; } BufferAlignToTab( pos_tabs ); BufferConcat( ops ); } BufferConcatNL(); BufferPrint(); } if( sec_label_list ) { l_entry = handleLabels( sec->name, size, (orl_sec_offset)-1, l_entry, size ); } if( !(DFormat & DFF_ASM) ) { routineSize = data.loop - routineBase; BufferConcatNL(); BufferMsg( ROUTINE_SIZE ); BufferStore(" %d ", routineSize ); BufferMsg( BYTES ); BufferConcat(", "); BufferMsg( ROUTINE_BASE ); BufferStore(" %s + %04X\n\n", sec->name, routineBase ); BufferPrint(); } if( source_mix ) { EndSourceMix(); } PrintTail( sec ); return( data.disassembly_errors ); }
static void printUnixHeader( section_ptr sec ) { orl_sec_alignment alignment; orl_sec_flags flags; orl_sec_type type; char attributes[10]; char * ca; alignment = ORLSecGetAlignment( sec->shnd ); type = ORLSecGetType( sec->shnd ); flags = ORLSecGetFlags( sec->shnd ); ca = attributes; if( !(Options & METAWARE_COMPATIBLE) ) { if( (flags & ORL_SEC_FLAG_EXEC) || sec->type == SECTION_TYPE_TEXT ) { *ca++ = 'c'; } if( (flags & ORL_SEC_FLAG_INITIALIZED_DATA) || sec->type == SECTION_TYPE_DATA || sec->type == SECTION_TYPE_PDATA ) { *ca++ = 'd'; } if( (flags & ORL_SEC_FLAG_UNINITIALIZED_DATA) || sec->type == SECTION_TYPE_BSS ) { *ca++ = 'u'; } if( (type == ORL_SEC_TYPE_NOTE) || sec->type == SECTION_TYPE_DRECTVE ) { *ca++ = 'i'; } if( flags & ORL_SEC_FLAG_DISCARDABLE ) { *ca++ = 'n'; } if( flags & ORL_SEC_FLAG_REMOVE ) { *ca++ = 'R'; } if( flags & ORL_SEC_FLAG_READ_PERMISSION ) { *ca++ = 'r'; } if( flags & ORL_SEC_FLAG_WRITE_PERMISSION ) { *ca++ = 'w'; } if( flags & ORL_SEC_FLAG_EXECUTE_PERMISSION ) { *ca++ = 'x'; } if( flags & ORL_SEC_FLAG_SHARED ) { *ca++ = 's'; } *ca++ = '0' + alignment; *ca = '\0'; if( !( DFormat & DFF_ASM ) ){ BufferConcat("\t\t\t\t"); } BufferStore(".new_section %s, \"%s\"", sec->name, attributes ); } else { if( !(flags & ORL_SEC_FLAG_REMOVE ) ) { *ca++ = 'a'; } if( flags & ORL_SEC_FLAG_EXEC ) { *ca++ = 'x'; } if( flags & ORL_SEC_FLAG_WRITE_PERMISSION ) { *ca++ = 'w'; } *ca++ = '\0'; if( !( DFormat & DFF_ASM ) ) { BufferConcat("\t\t\t\t"); } BufferStore(".section %s, \"%s\"", sec->name, attributes ); BufferConcatNL(); if( !( DFormat & DFF_ASM ) ) { BufferConcat("\t\t\t\t"); } BufferStore(".align %d", (int)alignment ); } BufferConcatNL(); BufferPrint(); }