size_t DIPIMPENTRY( SymName )( imp_image_handle *ii, imp_sym_handle *is,
location_context *lc,
symbol_name sn, char *buff, size_t buff_size )
{
byte *sp;
byte *ep;
byte curr;
size_t len;
char *mangled_name;
location_list ll;
imp_sym_handle gbl_is;
switch( sn ) {
case SN_EXPRESSION:
sp = (byte *)is;
++is;
len = 0;
#define STUFF_IT( c ) if( (len+1) < buff_size ) *ep++ = (c); ++len
ep = (byte *)buff;
STUFF_IT( SH_ESCAPE );
while( sp < (byte *)is ) {
curr = *sp++;
switch( curr ) {
case SH_ESCAPE:
curr = 1;
STUFF_IT( SH_ESCAPE );
break;
case '\0':
curr = 2;
STUFF_IT( SH_ESCAPE );
break;
case '`':
curr = 3;
STUFF_IT( SH_ESCAPE );
break;
}
STUFF_IT( curr );
}
if( buff_size > 0 )
*ep++ = '\0';
return( len );
case SN_DEMANGLED:
len = ImpInterface.SymName( ii, is, lc, SN_OBJECT, NULL, 0 );
if( len == 0 )
return( len );
mangled_name = __alloca( len + 1 );
ImpInterface.SymName( ii, is, lc, SN_OBJECT, mangled_name, len + 1 );
if( !__is_mangled( mangled_name, len ) )
return( 0 );
return( __demangle_l( mangled_name, len, buff, buff_size ) );
case SN_OBJECT:
switch( is->type ) {
case SH_LCL:
if( Lcl2GblHdl( ii, is, &gbl_is ) != DS_OK )
break;
return( SymHdl2ObjGblName( ii, &gbl_is, buff, buff_size ) );
case SH_MBR:
if( ImpInterface.SymLocation( ii, is, lc, &ll ) != DS_OK )
break;
if( ll.num != 1 || ll.e[0].type != LT_ADDR )
break;
if( ImpInterface.AddrMod( ii, ll.e[0].u.addr, &gbl_is.im ) == SR_NONE )
break;
if( LookupGblAddr(ii,ll.e[0].u.addr,&gbl_is) != SR_EXACT )
break;
is = &gbl_is;
/* fall through */
case SH_GBL:
return( SymHdl2ObjGblName( ii, is, buff, buff_size ) );
}
/* fall through */
case SN_SOURCE:
switch( is->type ) {
case SH_GBL:
return( SymHdl2GblName( ii, is, buff, buff_size ) );
case SH_LCL:
return( SymHdl2LclName( ii, is, buff, buff_size ) );
case SH_MBR:
return( SymHdl2MbrName( ii, is, buff, buff_size ) );
case SH_TYP:
return( SymHdl2TypName( ii, is, buff, buff_size ) );
case SH_CST:
return( SymHdl2CstName( ii, is, buff, buff_size ) );
}
break;
}
return( 0 );
}
unsigned DoFmtStr( char *buff, unsigned len, char *src, va_list *args )
/****************************************************************************/
/* quick vsprintf routine */
/* assumptions - format string does not end in '%' */
/* - only use of '%' is as follows */
/* %s : string */
/* %tn : n character string (%ns) */
/* %c : character */
/* %x : 4 digit hex number (%4x) */
/* %h : 8 digit hex number (%8x) */
/* %d : decimal */
/* %l : long decimal */
/* %a : address ( %x:%x or 32 bit, depends on format) */
/* %A : address ( %x:%h or 32 bit, depends on format) */
/* %S : symbol name */
/* %f : an executable format name */
/********************************************************************/
{
char ch;
char *dest;
char *str;
unsigned_16 num;
unsigned_32 num2;
unsigned size;
targ_addr * addr;
unsigned int i;
static char hexchar[] = "0123456789abcdef";
int temp;
dest = buff;
for(;;) {
ch = *src++;
if( ch == '\0' || len == 1 ) break;
if( ch != '%' ) {
*dest++ = ch;
len--;
} else {
ch = *src++;
switch( ch ) {
case 'S' :
if( UseArgInfo() ) {
str = MsgArgInfo.arg[MsgArgInfo.index].symb->name;
IncremIndex();
} else {
str = va_arg( *args, symbol * )->name;
}
if( !(LinkFlags & DONT_UNMANGLE) ) {
size = __demangle_l( str, 0, dest, len );
if( size > (len-1) ) size = len - 1;
CurrSymName = dest;
} else {
size = strlen( str );
if( size > len ) size = len;
memcpy( dest, str, size );
CurrSymName = str;
}
len -= size;
dest += size;
break;
case 's' :
if( UseArgInfo() ) {
str = MsgArgInfo.arg[MsgArgInfo.index].string;
IncremIndex();
} else {
str = va_arg( *args, char * );
}
size = strlen( str );
if( size > len ) size = len;
memcpy( dest, str, size );
len -= size;
dest += size;
break;
case 't' :
str = va_arg( *args, char * );
num = *src++ - '0';
num = num * 10 + *src++ - '0';
if( num > len )
num = len;
for( ; (*str != '\0') && (num > 0); --num ) {
*dest++ = *str++;
}
while( num-- > 0 ) {
*dest++ = ' ';
}
len -= num;
break;
case 'c' :
*dest++ = va_arg( *args, int );
len--;
break;
case 'x' :
if( UseArgInfo() ) {
num = MsgArgInfo.arg[MsgArgInfo.index].int_16;
IncremIndex();
} else {
num = va_arg( *args, unsigned int );
}
if( len < 4 ) return( dest - buff ); //NOTE: premature return
dest += 4;
len -= 4;
str = dest;
for( i = 4; i > 0; i-- ) {
*--str = hexchar[num & 0x0f];
num >>= 4;
}
break;
case 'h' :
num2 = va_arg( *args, unsigned_32 );
if( len < 8) return( dest - buff ); //NOTE: premature return
dest += 8;
len -= 8;
str = dest;
for( i = 8; i > 0; i-- ) {
*--str = hexchar[num2 & 0x0f];
num2 >>= 4;
}
break;
case 'd' :
if( len < 5 ) return( dest - buff ); // NOTE: premature return
if( UseArgInfo() ) {
num = MsgArgInfo.arg[MsgArgInfo.index].int_16;
IncremIndex();
} else {
num = va_arg( *args, unsigned int );
}
ultoa( num, dest, 10 );
size = strlen( dest );
dest += size;
len -= size;
break;
case 'l' :
if( len < 10 ) return( dest - buff ); //NOTE: premature return
if( UseArgInfo() ) {
num2 = MsgArgInfo.arg[MsgArgInfo.index].int_32;
IncremIndex();
} else {
num2 = va_arg( *args, unsigned_32 );
}
ultoa( num2, dest, 10 );
size = strlen( dest );
dest += size;
len -= size;
break;
case 'a':
case 'A':
if( UseArgInfo() ) {
addr = MsgArgInfo.arg[MsgArgInfo.index].address;
IncremIndex();
} else {
addr = va_arg( *args, targ_addr * );
}
temp = MsgArgInfo.index;
MsgArgInfo.index = -1;
if( FmtData.type & MK_FLAT ) {
size = FmtStr( dest, len, "%h", addr->off );
} else if( FmtData.type & MK_QNX_FLAT) {
size = FmtStr( dest, len, "%h", FindLinearAddr( addr ) );
} else if( FmtData.type & (MK_ELF|MK_PE) ) {
size = FmtStr( dest, len, "%h", FindLinearAddr2( addr ) );
} else if( FmtData.type & MK_ID_SPLIT ) {
if( addr->seg == CODE_SEGMENT ) {
size = FmtStr( dest, len, "CODE:%h", addr->off );
} else {
size = FmtStr( dest, len, "DATA:%h", addr->off );
}
} else if( (FmtData.type & MK_32BIT) || ch == 'A' ) {
size = FmtStr( dest, len, "%x:%h", addr->seg, addr->off );
} else {
size = FmtStr( dest, len, "%x:%x", addr->seg, (unsigned short)addr->off );
}
dest += size;
len -= size;
MsgArgInfo.index = temp;
break;
case 'f':
num = MakeExeName( dest, len );
dest += num;
len -= num;
break;
}
}
}
MsgArgInfo.index = -1;
*dest = '\0';
return( dest - buff );
}
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 );
}
