static return_val registerSec( orl_sec_handle shnd, section_type type )
{
section_ptr sec;
return_val error;
sec = MemAlloc( sizeof( section_struct ) );
if( sec ) {
error = HashTableInsert( HandleToSectionTable, (hash_value) shnd, (hash_data) sec );
if( error == OKAY ) {
memset( sec, 0, sizeof( section_struct ) );
sec->shnd = shnd;
sec->name = ORLSecGetName( shnd );
sec->type = type;
sec->next = NULL;
if( Sections.first ) {
Sections.last->next = sec;
Sections.last = sec;
} else {
Sections.first = sec;
Sections.last = sec;
}
} else {
MemFree( sec );
return( OUT_OF_MEMORY );
}
} else {
return( OUT_OF_MEMORY );
}
return( OKAY );
}
static return_val registerSec( orl_sec_handle shnd, section_type type )
{
section_ptr section;
return_val error;
hash_entry_data key_entry;
section = MemAlloc( sizeof( section_struct ) );
if( section != NULL ) {
key_entry.key.u.sec_handle = shnd;
key_entry.data.u.section = section;
error = HashTableInsert( HandleToSectionTable, &key_entry );
if( error == RC_OKAY ) {
memset( section, 0, sizeof( section_struct ) );
section->shnd = shnd;
section->name = ORLSecGetName( shnd );
section->type = type;
section->next = NULL;
if( Sections.first != NULL ) {
Sections.last->next = section;
Sections.last = section;
} else {
Sections.first = section;
Sections.last = section;
}
} else {
MemFree( section );
return( RC_OUT_OF_MEMORY );
}
} else {
return( RC_OUT_OF_MEMORY );
}
return( RC_OKAY );
}
static void registerSegment( orl_sec_handle o_shnd )
//**************************************************
{
orl_sec_flags sec_flags;
orl_sec_handle reloc_section;
orl_sec_alignment alignment;
char * content;
int ctr;
segment *seg;
seg = NewSegment();
seg->name = ORLSecGetName( o_shnd );
seg->size = ORLSecGetSize( o_shnd );
seg->start = 0;
seg->use_32 = 1; // only 32-bit object files use ORL
seg->attr = ( 2 << 2 ); // (?) combine public
alignment = ORLSecGetAlignment( o_shnd );
// FIXME: Need better alignment translation.
switch( alignment ) {
case 0:
seg->attr |= ( 1 << 5 ); break;
case 1:
seg->attr |= ( 2 << 5 ); break;
case 3:
case 4:
seg->attr |= ( 3 << 5 ); break;
case 8:
seg->attr |= ( 4 << 5 ); break;
case 2:
seg->attr |= ( 5 << 5 ); break;
case 12:
seg->attr |= ( 6 << 5 ); break;
default:
// fprintf( stderr, "NOTE! 'Strange' alignment (%d) found. Using byte alignment.\n", alignment );
seg->attr |= ( 1 << 5 ); break;
}
sec_flags = ORLSecGetFlags( o_shnd );
if( !( sec_flags & ORL_SEC_FLAG_EXEC ) ) {
seg->data_seg = true;
}
if( seg->size > 0 && ORLSecGetContents( o_shnd, &content ) == ORL_OKAY ) {
Segment = seg;
// Putting contents into segment struct.
for( ctr = 0; ctr < seg->size; ctr++ ) {
PutSegByte( ctr, content[ctr] );
}
}
if( !HashTableInsert( SectionToSegmentTable, (hash_value)o_shnd, (hash_data)seg ) ) {
SysError( ERR_OUT_OF_MEM, false );
}
reloc_section = ORLSecGetRelocTable( o_shnd );
if( reloc_section ) {
if( !addRelocSection( reloc_section ) ) {
SysError( ERR_OUT_OF_MEM, false );
}
}
}
static orl_return DeclareSegment( orl_sec_handle sec )
/****************************************************/
// declare the "segment"
{
segdata *sdata;
segnode *snode;
char *name;
unsigned_32 _WCUNALIGNED *contents;
size_t len;
orl_sec_flags flags;
orl_sec_type type;
unsigned numlines;
unsigned segidx;
type = ORLSecGetType( sec );
if( type != ORL_SEC_TYPE_NO_BITS && type != ORL_SEC_TYPE_PROG_BITS ) {
return( ORL_OKAY );
}
flags = ORLSecGetFlags( sec );
name = ORLSecGetName( sec );
sdata = AllocSegData();
segidx = ORLCvtSecHdlToIdx( sec );
snode = AllocNodeIdx( SegNodes, segidx );
snode->entry = sdata;
snode->handle = sec;
sdata->iscdat = (flags & ORL_SEC_FLAG_COMDAT) != 0;
len = sizeof( CoffIDataSegName ) - 1;
if( strnicmp( CoffIDataSegName, name, len ) == 0 ) {
SeenDLLRecord();
CurrMod->modinfo |= MOD_IMPORT_LIB;
if( name[len + 1] == '6' ) { // it is the segment containg the name
ORLSecGetContents( sec, (unsigned_8 **)&ImpExternalName );
ImpExternalName += 2;
} else if( name[len + 1] == '4' ) { // it is an import by ordinal
ORLSecGetContents( sec, (void *) &contents );
ImpOrdinal = *contents;
}
sdata->isdead = true;
sdata->isidata = true;
}
sdata->combine = COMBINE_ADD;
if( flags & ORL_SEC_FLAG_NO_PADDING ) {
sdata->align = 0;
} else {
sdata->align = ORLSecGetAlignment( sec );
}
sdata->is32bit = true;
sdata->length = ORLSecGetSize( sec );
sdata->u.name = name;
if( flags & ORL_SEC_FLAG_EXEC ) {
sdata->iscode = true;
} else if( flags & ORL_SEC_FLAG_UNINITIALIZED_DATA ) {
sdata->isuninit = true;
#ifdef _DEVELOPMENT
} else {
unsigned namelen;
namelen = strlen(name);
if( namelen >= 3 && memicmp(name + namelen - 3, "bss", 3) == 0 ) {
LnkMsg( ERR+MSG_INTERNAL, "s", "Initialized BSS found" );
}
#endif
}
numlines = ORLSecGetNumLines( sec );
if( numlines > 0 ) {
numlines *= sizeof(orl_linnum);
DBIAddLines( sdata, ORLSecGetLines( sec ), numlines, true );
}
return( ORL_OKAY );
}
orl_return PrintSymbolInfo( orl_symbol_handle symbol )
/****************************************************/
{
orl_symbol_type type;
char *name;
orl_sec_handle sec;
name = ORLSymbolGetName( symbol );
//printf( "handle = %x", symbol );
printf( "%-25s:", name ? name : "" );
printf( " %8.8llx ", ORLSymbolGetValue( symbol ) );
switch( ORLSymbolGetBinding( symbol ) ) {
case ORL_SYM_BINDING_NONE:
printf( "n/a " );
break;
case ORL_SYM_BINDING_LOCAL:
printf( "locl" );
break;
case ORL_SYM_BINDING_WEAK:
printf( "weak" );
break;
case ORL_SYM_BINDING_GLOBAL:
printf( "glbl" );
break;
case ORL_SYM_BINDING_LAZY:
printf( "lazy" );
break;
case ORL_SYM_BINDING_ALIAS:
printf( "alis" );
break;
}
printf( " " );
type = ORLSymbolGetType( symbol );
if( type & ORL_SYM_TYPE_DEBUG ) {
printf( "debug" );
} else if( type & ORL_SYM_TYPE_UNDEFINED ) {
printf( "undef" );
} else if( type & ORL_SYM_TYPE_COMMON ) {
printf( "comm " );
} else if( type & ORL_SYM_TYPE_ABSOLUTE ) {
printf( "abs " );
} else {
printf( " " );
}
printf( " " );
if( type & ORL_SYM_TYPE_OBJECT ) {
printf( "obj " );
} else if( type & ORL_SYM_TYPE_FUNCTION ) {
printf( "func" );
} else if( type & ORL_SYM_TYPE_SECTION ) {
printf( "sect" );
} else if( type & ORL_SYM_TYPE_FILE ) {
printf( "file" );
} else {
printf( "none" );
}
sec = ORLSymbolGetSecHandle( symbol );
if( sec ) {
printf( " (in '%s')", ORLSecGetName( sec ) );
}
printf( "\n" );
return( ORL_OKAY );
}
orl_return PrintSecInfo( orl_sec_handle o_shnd )
/**********************************************/
{
char *buf;
int loop;
int loop2;
orl_sec_size size;
orl_sec_type sec_type;
orl_sec_flags sec_flags;
orl_sec_handle reloc_section;
orl_sec_handle symbol_table;
orl_sec_handle string_table;
int sep;
int segname_printed = 0;
size = 0; // just because gcc is a little retarded
sectionFound = 1;
if( dump.sections || dump.sec_contents ) {
buf = ORLSecGetName( o_shnd );
printf( "[%s]\n", buf );
segname_printed = 1;
size = ORLSecGetSize( o_shnd );
}
if( dump.sections ) {
//printf( "\nSection Handle:\t0x%x\n", o_shnd );
printf( "Size=%8.8x ", size );
sec_type = ORLSecGetType( o_shnd );
printf( "Align=%4.4x ", ORLSecGetAlignment( o_shnd ) );
//printf( "Section Type:\t%d\n", sec_type );
printf( "(" );
switch( sec_type ) {
case ORL_SEC_TYPE_NONE:
printf( "sec_type_none" );
break;
case ORL_SEC_TYPE_NO_BITS:
printf( "no bits" );
break;
case ORL_SEC_TYPE_PROG_BITS:
printf( "program bits" );
break;
case ORL_SEC_TYPE_SYM_TABLE:
printf( "symbol table" );
break;
case ORL_SEC_TYPE_DYN_SYM_TABLE:
printf( "dynamic symbol table" );
break;
case ORL_SEC_TYPE_STR_TABLE:
printf( "string table" );
break;
case ORL_SEC_TYPE_RELOCS:
printf( "relocs" );
break;
case ORL_SEC_TYPE_RELOCS_EXPADD:
printf( "relocs with explicit addends" );
break;
case ORL_SEC_TYPE_HASH:
printf( "hash table" );
break;
case ORL_SEC_TYPE_DYNAMIC:
printf( "dynamic linking information" );
break;
case ORL_SEC_TYPE_NOTE:
printf( "note or comment" );
break;
default:
printf( "unknown type? %s", sec_type );
break;
}
printf( ") " );
sec_flags = ORLSecGetFlags( o_shnd );
printf( "ORL_flags=0x%x\n", sec_flags );
sep = 0;
if( sec_flags ) printf( " " );
if( sec_flags & ORL_SEC_FLAG_EXEC ) {
printf( "executable code" );
sep++;
}
if( sec_flags & ORL_SEC_FLAG_INITIALIZED_DATA ) {
if( sep++ ) printf( ", " );
printf( "initialized data" );
}
if( sec_flags & ORL_SEC_FLAG_UNINITIALIZED_DATA ) {
if( sep++ ) printf( ", " );
printf( "uninitialized data" );
}
if( sec_flags & ORL_SEC_FLAG_GROUPED ) {
if( sep++ ) printf( ", " );
printf( "grouped section" );
}
if( sec_flags & ORL_SEC_FLAG_NO_PADDING ) {
if( sep++ ) printf( ", " );
printf( "no padding to next boundary" );
}
if( sec_flags & ORL_SEC_FLAG_OVERLAY ) {
if( sep++ ) printf( ", " );
printf( "contains an overlay" );
}
if( sec_flags & ORL_SEC_FLAG_REMOVE ) {
if( sep++ ) printf( ", " );
printf( "remove at link-time" );
}
if( sec_flags & ORL_SEC_FLAG_COMDAT ) {
if( sep++ ) printf( ", " );
printf( "communal data" );
}
if( sec_flags & ORL_SEC_FLAG_DISCARDABLE ) {
if( sep++ ) printf( ", " );
printf( "discardable" );
}
if( sec_flags & ORL_SEC_FLAG_NOT_CACHED ) {
if( sep++ ) printf( ", " );
printf( "cannot be cached" );
}
if( sec_flags & ORL_SEC_FLAG_NOT_PAGEABLE) {
if( sep++ ) printf( ", " );
printf( "not pageable" );
}
if( sec_flags & ORL_SEC_FLAG_SHARED ) {
if( sep++ ) printf( ", " );
printf( "shared in memory" );
}
if( sec_flags & ORL_SEC_FLAG_EXECUTE_PERMISSION ) {
if( sep++ ) printf( ", " );
printf( "execute permission" );
}
if( sec_flags & ORL_SEC_FLAG_READ_PERMISSION ) {
if( sep++ ) printf( ", " );
printf( "read permission" );
}
if( sec_flags & ORL_SEC_FLAG_WRITE_PERMISSION) {
if( sep++ ) printf( ", " );
printf( "write permission" );
}
if( sep ) printf( "\n" );
}
if( dump.sec_contents ) {
if( ORLSecGetContents( o_shnd, (unsigned_8 **)&buf ) == ORL_OKAY ) {
printf( "Contents:\n" );
for( loop = 0; loop < size; loop += 16 ) {
printf( "0x%8.8x: ", loop );
for( loop2 = 0; loop2 < 16; loop2++ ) {
if( loop + loop2 < size ) {
printf( "%2.2x ", buf[loop+loop2] );
} else {
printf( " " );
}
if( loop2 == 7 ) {
printf( " " );
}
}
printf( " " );
for( loop2 = 0; loop2 < 16 && loop + loop2 < size; loop2++ ) {
if( buf[loop+loop2] >= 32 && buf[loop+loop2] <= 122 ) {
printf( "%c", buf[loop+loop2] );
} else {
printf( "." );
}
if( loop2 == 7 ) {
printf( " " );
}
}
printf( "\n" );
}
}
}
if( dump.relocs ) {
reloc_section = ORLSecGetRelocTable( o_shnd );
if( reloc_section ) {
if( !segname_printed++ ) {
buf = ORLSecGetName( o_shnd );
printf( "[%s]\n", buf );
}
printf( "Relocs in [%s], ", ORLSecGetName( reloc_section ) );
symbol_table = ORLSecGetSymbolTable( reloc_section );
if( symbol_table ) {
printf( "symtab='%s', ", ORLSecGetName( symbol_table ) );
string_table = ORLSecGetStringTable( symbol_table );
if( string_table ) {
printf( "strtab='%s'.\n", ORLSecGetName( string_table ) );
} else {
printf( "strtab=none.\n" );
}
} else {
printf( "symtab=none, strtab=none.\n" );
}
//printf( "Relocs:\n" );
ORLRelocSecScan( reloc_section, &PrintRelocInfo );
}
}
return( ORL_OKAY );
}
orl_return CreateNamedLabel( orl_symbol_handle sym_hnd )
{
hash_data * data_ptr;
label_list sec_label_list;
label_entry entry;
orl_symbol_type type;
orl_symbol_type primary_type;
orl_sec_handle sec;
char * SourceName;
char * LabName;
unsigned_64 val64;
type = ORLSymbolGetType( sym_hnd );
primary_type = type & 0xFF;
switch( primary_type ) {
// No harm in including these since elf generates relocs to these.
// case ORL_SYM_TYPE_NONE:
// case ORL_SYM_TYPE_FUNC_INFO:
// return( ORL_OKAY );
case ORL_SYM_TYPE_FILE:
SourceName = ORLSymbolGetName( sym_hnd );
if( (SourceName != NULL) && (SourceFileInObject == NULL) ) {
SourceFileInObject = SourceName;
}
return( ORL_OKAY );
}
entry = MemAlloc( sizeof( label_entry_struct ) );
if( !entry ) return( ORL_OUT_OF_MEMORY );
val64 = ORLSymbolGetValue( sym_hnd );
entry->offset = val64.u._32[I64LO32];
// all symbols from the object file will have names
entry->shnd = ORLSymbolGetSecHandle( sym_hnd );
if( primary_type == ORL_SYM_TYPE_SECTION ) {
entry->type = LTYP_SECTION;
} else if( primary_type == ORL_SYM_TYPE_GROUP ) {
entry->type = LTYP_GROUP;
} else if( entry->shnd == 0 ) {
entry->type = LTYP_EXTERNAL_NAMED;
} else if( primary_type == ORL_SYM_TYPE_FUNC_INFO ){
entry->type = LTYP_FUNC_INFO;
} else {
entry->type = LTYP_NAMED;
}
entry->binding = ORLSymbolGetBinding( sym_hnd );
LabName = ORLSymbolGetName( sym_hnd );
if( LabName == NULL ) {
sec = ORLSymbolGetSecHandle( sym_hnd );
if( sec ) {
LabName = ORLSecGetName( sec );
} else {
MemFree( entry );
return( ORL_OKAY );
}
}
// Demangle the name, if necessary
if( !((Options & NODEMANGLE_NAMES) || (DFormat & DFF_ASM)) ) {
entry->label.name = MemAlloc( MAX_LINE_LEN + 3 );
__demangle_l( LabName, 0, &(entry->label.name[2]), MAX_LINE_LEN );
} else {
entry->label.name = MemAlloc( strlen( LabName )+8 );
strcpy( &(entry->label.name[2]), LabName );
}
entry->label.name[0]=0;
entry->label.name[1]=0;
LabName = &(entry->label.name[2]);
if( NeedsQuoting( LabName ) ) {
// entry->label.name[-1] will be 1 if we have added a quote,
// 0 otherwise. This is helpful when freeing the memory.
entry->label.name[0] = 1;
entry->label.name[1] = '`';
entry->label.name += 1;
LabName += strlen( LabName );
LabName[0] = '`';
LabName[1] = '\0';
} else {
entry->label.name += 2;
}
data_ptr = HashTableQuery( HandleToLabelListTable, (hash_value) entry->shnd );
if( data_ptr ) {
sec_label_list = (label_list) *data_ptr;
entry = addLabel( sec_label_list, entry, sym_hnd );
if( Options & PRINT_PUBLICS && entry->shnd != 0 &&
primary_type != ORL_SYM_TYPE_SECTION &&
entry->binding != ORL_SYM_BINDING_LOCAL ) {
Publics.number++;
}
} else {
// error!!!! the label list should have been created
MemFree( entry );
return( ORL_ERROR );
}
return( ORL_OKAY );
}
