2006-08-19 00:29:20 +02:00
|
|
|
// symtab.cc -- the gold symbol table
|
|
|
|
|
|
|
|
#include "gold.h"
|
|
|
|
|
|
|
|
#include <cassert>
|
|
|
|
#include <stdint.h>
|
|
|
|
#include <string>
|
|
|
|
#include <utility>
|
|
|
|
|
|
|
|
#include "object.h"
|
2006-09-28 00:53:42 +02:00
|
|
|
#include "output.h"
|
2006-09-29 21:58:17 +02:00
|
|
|
#include "target.h"
|
2006-08-19 00:29:20 +02:00
|
|
|
#include "symtab.h"
|
|
|
|
|
|
|
|
namespace gold
|
|
|
|
{
|
|
|
|
|
|
|
|
// Class Symbol.
|
|
|
|
|
|
|
|
// Initialize the fields in the base class Symbol.
|
|
|
|
|
|
|
|
template<int size, bool big_endian>
|
|
|
|
void
|
|
|
|
Symbol::init_base(const char* name, const char* version, Object* object,
|
|
|
|
const elfcpp::Sym<size, big_endian>& sym)
|
|
|
|
{
|
|
|
|
this->name_ = name;
|
|
|
|
this->version_ = version;
|
|
|
|
this->object_ = object;
|
|
|
|
this->shnum_ = sym.get_st_shndx(); // FIXME: Handle SHN_XINDEX.
|
|
|
|
this->type_ = sym.get_st_type();
|
|
|
|
this->binding_ = sym.get_st_bind();
|
|
|
|
this->visibility_ = sym.get_st_visibility();
|
|
|
|
this->other_ = sym.get_st_nonvis();
|
2006-09-07 23:21:41 +02:00
|
|
|
this->is_special_ = false;
|
|
|
|
this->is_def_ = false;
|
|
|
|
this->is_forwarder_ = false;
|
|
|
|
this->in_dyn_ = object->is_dynamic();
|
2006-08-19 00:29:20 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
// Initialize the fields in Sized_symbol.
|
|
|
|
|
|
|
|
template<int size>
|
|
|
|
template<bool big_endian>
|
|
|
|
void
|
|
|
|
Sized_symbol<size>::init(const char* name, const char* version, Object* object,
|
|
|
|
const elfcpp::Sym<size, big_endian>& sym)
|
|
|
|
{
|
|
|
|
this->init_base(name, version, object, sym);
|
|
|
|
this->value_ = sym.get_st_value();
|
|
|
|
this->size_ = sym.get_st_size();
|
|
|
|
}
|
|
|
|
|
|
|
|
// Class Symbol_table.
|
|
|
|
|
|
|
|
Symbol_table::Symbol_table()
|
2006-09-28 00:53:42 +02:00
|
|
|
: size_(0), offset_(0), table_(), namepool_(), forwarders_()
|
2006-08-19 00:29:20 +02:00
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
Symbol_table::~Symbol_table()
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
// The hash function. The key is always canonicalized, so we use a
|
|
|
|
// simple combination of the pointers.
|
|
|
|
|
|
|
|
size_t
|
|
|
|
Symbol_table::Symbol_table_hash::operator()(const Symbol_table_key& key) const
|
|
|
|
{
|
|
|
|
return (reinterpret_cast<size_t>(key.first)
|
|
|
|
^ reinterpret_cast<size_t>(key.second));
|
|
|
|
}
|
|
|
|
|
|
|
|
// The symbol table key equality function. This is only called with
|
|
|
|
// canonicalized name and version strings, so we can use pointer
|
|
|
|
// comparison.
|
|
|
|
|
|
|
|
bool
|
|
|
|
Symbol_table::Symbol_table_eq::operator()(const Symbol_table_key& k1,
|
|
|
|
const Symbol_table_key& k2) const
|
|
|
|
{
|
|
|
|
return k1.first == k2.first && k1.second == k2.second;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Make TO a symbol which forwards to FROM.
|
|
|
|
|
|
|
|
void
|
|
|
|
Symbol_table::make_forwarder(Symbol* from, Symbol* to)
|
|
|
|
{
|
|
|
|
assert(!from->is_forwarder() && !to->is_forwarder());
|
|
|
|
this->forwarders_[from] = to;
|
|
|
|
from->set_forwarder();
|
|
|
|
}
|
|
|
|
|
2006-09-29 21:58:17 +02:00
|
|
|
// Resolve the forwards from FROM, returning the real symbol.
|
|
|
|
|
2006-08-19 00:29:20 +02:00
|
|
|
Symbol*
|
|
|
|
Symbol_table::resolve_forwards(Symbol* from) const
|
|
|
|
{
|
|
|
|
assert(from->is_forwarder());
|
|
|
|
Unordered_map<Symbol*, Symbol*>::const_iterator p =
|
|
|
|
this->forwarders_.find(from);
|
|
|
|
assert(p != this->forwarders_.end());
|
|
|
|
return p->second;
|
|
|
|
}
|
|
|
|
|
2006-09-29 21:58:17 +02:00
|
|
|
// Look up a symbol by name.
|
|
|
|
|
|
|
|
Symbol*
|
|
|
|
Symbol_table::lookup(const char* name, const char* version) const
|
|
|
|
{
|
|
|
|
name = this->namepool_.find(name);
|
|
|
|
if (name == NULL)
|
|
|
|
return NULL;
|
|
|
|
if (version != NULL)
|
|
|
|
{
|
|
|
|
version = this->namepool_.find(version);
|
|
|
|
if (version == NULL)
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
Symbol_table_key key(name, version);
|
|
|
|
Symbol_table::Symbol_table_type::const_iterator p = this->table_.find(key);
|
|
|
|
if (p == this->table_.end())
|
|
|
|
return NULL;
|
|
|
|
return p->second;
|
|
|
|
}
|
|
|
|
|
2006-08-19 00:29:20 +02:00
|
|
|
// Resolve a Symbol with another Symbol. This is only used in the
|
|
|
|
// unusual case where there are references to both an unversioned
|
|
|
|
// symbol and a symbol with a version, and we then discover that that
|
2006-09-07 23:21:41 +02:00
|
|
|
// version is the default version. Because this is unusual, we do
|
|
|
|
// this the slow way, by converting back to an ELF symbol.
|
2006-08-19 00:29:20 +02:00
|
|
|
|
2006-09-07 23:21:41 +02:00
|
|
|
template<int size, bool big_endian>
|
2006-08-19 00:29:20 +02:00
|
|
|
void
|
2006-09-30 00:34:01 +02:00
|
|
|
Symbol_table::resolve(Sized_symbol<size>* to, const Sized_symbol<size>* from
|
|
|
|
ACCEPT_SIZE_ENDIAN)
|
2006-08-19 00:29:20 +02:00
|
|
|
{
|
2006-09-07 23:21:41 +02:00
|
|
|
unsigned char buf[elfcpp::Elf_sizes<size>::sym_size];
|
|
|
|
elfcpp::Sym_write<size, big_endian> esym(buf);
|
|
|
|
// We don't bother to set the st_name field.
|
|
|
|
esym.put_st_value(from->value());
|
|
|
|
esym.put_st_size(from->symsize());
|
|
|
|
esym.put_st_info(from->binding(), from->type());
|
|
|
|
esym.put_st_other(from->visibility(), from->other());
|
|
|
|
esym.put_st_shndx(from->shnum());
|
|
|
|
Symbol_table::resolve(to, esym.sym(), from->object());
|
2006-08-19 00:29:20 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
// Add one symbol from OBJECT to the symbol table. NAME is symbol
|
|
|
|
// name and VERSION is the version; both are canonicalized. DEF is
|
|
|
|
// whether this is the default version.
|
|
|
|
|
|
|
|
// If DEF is true, then this is the definition of a default version of
|
|
|
|
// a symbol. That means that any lookup of NAME/NULL and any lookup
|
|
|
|
// of NAME/VERSION should always return the same symbol. This is
|
|
|
|
// obvious for references, but in particular we want to do this for
|
|
|
|
// definitions: overriding NAME/NULL should also override
|
|
|
|
// NAME/VERSION. If we don't do that, it would be very hard to
|
|
|
|
// override functions in a shared library which uses versioning.
|
|
|
|
|
|
|
|
// We implement this by simply making both entries in the hash table
|
|
|
|
// point to the same Symbol structure. That is easy enough if this is
|
|
|
|
// the first time we see NAME/NULL or NAME/VERSION, but it is possible
|
|
|
|
// that we have seen both already, in which case they will both have
|
|
|
|
// independent entries in the symbol table. We can't simply change
|
|
|
|
// the symbol table entry, because we have pointers to the entries
|
|
|
|
// attached to the object files. So we mark the entry attached to the
|
|
|
|
// object file as a forwarder, and record it in the forwarders_ map.
|
|
|
|
// Note that entries in the hash table will never be marked as
|
|
|
|
// forwarders.
|
|
|
|
|
|
|
|
template<int size, bool big_endian>
|
|
|
|
Symbol*
|
|
|
|
Symbol_table::add_from_object(Sized_object<size, big_endian>* object,
|
|
|
|
const char *name,
|
|
|
|
const char *version, bool def,
|
|
|
|
const elfcpp::Sym<size, big_endian>& sym)
|
|
|
|
{
|
|
|
|
Symbol* const snull = NULL;
|
|
|
|
std::pair<typename Symbol_table_type::iterator, bool> ins =
|
|
|
|
this->table_.insert(std::make_pair(std::make_pair(name, version), snull));
|
|
|
|
|
|
|
|
std::pair<typename Symbol_table_type::iterator, bool> insdef =
|
|
|
|
std::make_pair(this->table_.end(), false);
|
|
|
|
if (def)
|
|
|
|
{
|
|
|
|
const char* const vnull = NULL;
|
|
|
|
insdef = this->table_.insert(std::make_pair(std::make_pair(name, vnull),
|
|
|
|
snull));
|
|
|
|
}
|
|
|
|
|
|
|
|
// ins.first: an iterator, which is a pointer to a pair.
|
|
|
|
// ins.first->first: the key (a pair of name and version).
|
|
|
|
// ins.first->second: the value (Symbol*).
|
|
|
|
// ins.second: true if new entry was inserted, false if not.
|
|
|
|
|
2006-09-07 23:21:41 +02:00
|
|
|
Sized_symbol<size>* ret;
|
2006-08-19 00:29:20 +02:00
|
|
|
if (!ins.second)
|
|
|
|
{
|
|
|
|
// We already have an entry for NAME/VERSION.
|
2006-09-30 00:34:01 +02:00
|
|
|
ret = this->get_sized_symbol SELECT_SIZE_NAME (ins.first->second
|
|
|
|
SELECT_SIZE(size));
|
2006-08-19 00:29:20 +02:00
|
|
|
assert(ret != NULL);
|
|
|
|
Symbol_table::resolve(ret, sym, object);
|
|
|
|
|
|
|
|
if (def)
|
|
|
|
{
|
|
|
|
if (insdef.second)
|
|
|
|
{
|
|
|
|
// This is the first time we have seen NAME/NULL. Make
|
|
|
|
// NAME/NULL point to NAME/VERSION.
|
|
|
|
insdef.first->second = ret;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
// This is the unfortunate case where we already have
|
|
|
|
// entries for both NAME/VERSION and NAME/NULL.
|
2006-09-26 23:50:25 +02:00
|
|
|
const Sized_symbol<size>* sym2;
|
2006-09-30 00:34:01 +02:00
|
|
|
sym2 = this->get_sized_symbol SELECT_SIZE_NAME (
|
|
|
|
insdef.first->second
|
|
|
|
SELECT_SIZE(size));
|
|
|
|
Symbol_table::resolve SELECT_SIZE_ENDIAN_NAME (
|
|
|
|
ret, sym2 SELECT_SIZE_ENDIAN(size, big_endian));
|
2006-08-19 00:29:20 +02:00
|
|
|
this->make_forwarder(insdef.first->second, ret);
|
|
|
|
insdef.first->second = ret;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
// This is the first time we have seen NAME/VERSION.
|
|
|
|
assert(ins.first->second == NULL);
|
|
|
|
if (def && !insdef.second)
|
|
|
|
{
|
|
|
|
// We already have an entry for NAME/NULL. Make
|
|
|
|
// NAME/VERSION point to it.
|
2006-09-30 00:34:01 +02:00
|
|
|
ret = this->get_sized_symbol SELECT_SIZE_NAME (insdef.first->second
|
|
|
|
SELECT_SIZE(size));
|
2006-08-19 00:29:20 +02:00
|
|
|
Symbol_table::resolve(ret, sym, object);
|
|
|
|
ins.first->second = ret;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
Sized_target<size, big_endian>* target = object->sized_target();
|
2006-09-07 23:21:41 +02:00
|
|
|
if (!target->has_make_symbol())
|
|
|
|
ret = new Sized_symbol<size>();
|
|
|
|
else
|
2006-08-19 00:29:20 +02:00
|
|
|
{
|
2006-09-07 23:21:41 +02:00
|
|
|
ret = target->make_symbol();
|
|
|
|
if (ret == NULL)
|
2006-08-19 00:29:20 +02:00
|
|
|
{
|
|
|
|
// This means that we don't want a symbol table
|
|
|
|
// entry after all.
|
|
|
|
if (!def)
|
|
|
|
this->table_.erase(ins.first);
|
|
|
|
else
|
|
|
|
{
|
|
|
|
this->table_.erase(insdef.first);
|
|
|
|
// Inserting insdef invalidated ins.
|
|
|
|
this->table_.erase(std::make_pair(name, version));
|
|
|
|
}
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2006-09-07 23:21:41 +02:00
|
|
|
ret->init(name, version, object, sym);
|
|
|
|
|
2006-08-19 00:29:20 +02:00
|
|
|
ins.first->second = ret;
|
|
|
|
if (def)
|
|
|
|
{
|
|
|
|
// This is the first time we have seen NAME/NULL. Point
|
|
|
|
// it at the new entry for NAME/VERSION.
|
|
|
|
assert(insdef.second);
|
|
|
|
insdef.first->second = ret;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Add all the symbols in an object to the hash table.
|
|
|
|
|
|
|
|
template<int size, bool big_endian>
|
|
|
|
void
|
|
|
|
Symbol_table::add_from_object(
|
|
|
|
Sized_object<size, big_endian>* object,
|
|
|
|
const elfcpp::Sym<size, big_endian>* syms,
|
|
|
|
size_t count,
|
|
|
|
const char* sym_names,
|
|
|
|
size_t sym_name_size,
|
|
|
|
Symbol** sympointers)
|
|
|
|
{
|
|
|
|
// We take the size from the first object we see.
|
|
|
|
if (this->get_size() == 0)
|
|
|
|
this->set_size(size);
|
|
|
|
|
|
|
|
if (size != this->get_size() || size != object->target()->get_size())
|
|
|
|
{
|
|
|
|
fprintf(stderr, _("%s: %s: mixing 32-bit and 64-bit ELF objects\n"),
|
|
|
|
program_name, object->name().c_str());
|
|
|
|
gold_exit(false);
|
|
|
|
}
|
|
|
|
|
2006-10-10 20:54:06 +02:00
|
|
|
const int sym_size = elfcpp::Elf_sizes<size>::sym_size;
|
|
|
|
|
2006-08-19 00:29:20 +02:00
|
|
|
const unsigned char* p = reinterpret_cast<const unsigned char*>(syms);
|
2006-10-10 20:54:06 +02:00
|
|
|
for (size_t i = 0; i < count; ++i, p += sym_size)
|
2006-08-19 00:29:20 +02:00
|
|
|
{
|
|
|
|
elfcpp::Sym<size, big_endian> sym(p);
|
2006-10-10 20:54:06 +02:00
|
|
|
elfcpp::Sym<size, big_endian>* psym = &sym;
|
2006-08-19 00:29:20 +02:00
|
|
|
|
2006-10-10 20:54:06 +02:00
|
|
|
unsigned int st_name = psym->get_st_name();
|
2006-08-19 00:29:20 +02:00
|
|
|
if (st_name >= sym_name_size)
|
|
|
|
{
|
2006-09-26 23:00:34 +02:00
|
|
|
fprintf(stderr,
|
|
|
|
_("%s: %s: bad global symbol name offset %u at %lu\n"),
|
2006-08-19 00:29:20 +02:00
|
|
|
program_name, object->name().c_str(), st_name,
|
|
|
|
static_cast<unsigned long>(i));
|
|
|
|
gold_exit(false);
|
|
|
|
}
|
|
|
|
|
2006-10-10 20:54:06 +02:00
|
|
|
// A symbol defined in a section which we are not including must
|
|
|
|
// be treated as an undefined symbol.
|
|
|
|
unsigned char symbuf[sym_size];
|
|
|
|
elfcpp::Sym<size, big_endian> sym2(symbuf);
|
|
|
|
unsigned int st_shndx = psym->get_st_shndx();
|
|
|
|
if (st_shndx != elfcpp::SHN_UNDEF
|
|
|
|
&& st_shndx < elfcpp::SHN_LORESERVE
|
|
|
|
&& !object->is_section_included(st_shndx))
|
|
|
|
{
|
|
|
|
memcpy(symbuf, p, sym_size);
|
|
|
|
elfcpp::Sym_write<size, big_endian> sw(symbuf);
|
|
|
|
sw.put_st_shndx(elfcpp::SHN_UNDEF);
|
|
|
|
psym = &sym2;
|
|
|
|
}
|
|
|
|
|
2006-08-19 00:29:20 +02:00
|
|
|
const char* name = sym_names + st_name;
|
|
|
|
|
|
|
|
// In an object file, an '@' in the name separates the symbol
|
|
|
|
// name from the version name. If there are two '@' characters,
|
|
|
|
// this is the default version.
|
|
|
|
const char* ver = strchr(name, '@');
|
|
|
|
|
|
|
|
Symbol* res;
|
|
|
|
if (ver == NULL)
|
|
|
|
{
|
|
|
|
name = this->namepool_.add(name);
|
2006-10-10 20:54:06 +02:00
|
|
|
res = this->add_from_object(object, name, NULL, false, *psym);
|
2006-08-19 00:29:20 +02:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
name = this->namepool_.add(name, ver - name);
|
|
|
|
bool def = false;
|
|
|
|
++ver;
|
|
|
|
if (*ver == '@')
|
|
|
|
{
|
|
|
|
def = true;
|
|
|
|
++ver;
|
|
|
|
}
|
|
|
|
ver = this->namepool_.add(ver);
|
2006-10-10 20:54:06 +02:00
|
|
|
res = this->add_from_object(object, name, ver, def, *psym);
|
2006-08-19 00:29:20 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
*sympointers++ = res;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2006-09-28 00:53:42 +02:00
|
|
|
// Set the final values for all the symbols. Record the file offset
|
|
|
|
// OFF. Add their names to POOL. Return the new file offset.
|
2006-09-26 23:00:34 +02:00
|
|
|
|
2006-09-28 00:53:42 +02:00
|
|
|
off_t
|
|
|
|
Symbol_table::finalize(off_t off, Stringpool* pool)
|
2006-09-26 23:00:34 +02:00
|
|
|
{
|
2006-09-28 00:53:42 +02:00
|
|
|
if (this->size_ == 32)
|
|
|
|
return this->sized_finalize<32>(off, pool);
|
2006-09-29 21:58:17 +02:00
|
|
|
else if (this->size_ == 64)
|
2006-09-28 00:53:42 +02:00
|
|
|
return this->sized_finalize<64>(off, pool);
|
2006-09-29 21:58:17 +02:00
|
|
|
else
|
|
|
|
abort();
|
2006-09-28 00:53:42 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
// Set the final value for all the symbols.
|
|
|
|
|
|
|
|
template<int size>
|
|
|
|
off_t
|
|
|
|
Symbol_table::sized_finalize(off_t off, Stringpool* pool)
|
|
|
|
{
|
2006-09-29 21:58:17 +02:00
|
|
|
off = (off + (size >> 3) - 1) & ~ ((size >> 3) - 1);
|
2006-09-28 00:53:42 +02:00
|
|
|
this->offset_ = off;
|
|
|
|
|
|
|
|
const int sym_size = elfcpp::Elf_sizes<size>::sym_size;
|
|
|
|
Symbol_table_type::iterator p = this->table_.begin();
|
2006-09-29 21:58:17 +02:00
|
|
|
size_t count = 0;
|
2006-09-28 00:53:42 +02:00
|
|
|
while (p != this->table_.end())
|
2006-09-26 23:00:34 +02:00
|
|
|
{
|
2006-09-28 00:53:42 +02:00
|
|
|
Sized_symbol<size>* sym = static_cast<Sized_symbol<size>*>(p->second);
|
2006-09-26 23:00:34 +02:00
|
|
|
|
2006-09-28 00:53:42 +02:00
|
|
|
// FIXME: Here we need to decide which symbols should go into
|
|
|
|
// the output file.
|
|
|
|
|
2006-09-29 21:58:17 +02:00
|
|
|
// FIXME: This is wrong.
|
|
|
|
if (sym->shnum() >= elfcpp::SHN_LORESERVE)
|
|
|
|
{
|
|
|
|
++p;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
2006-10-10 20:54:06 +02:00
|
|
|
off_t secoff;
|
|
|
|
Output_section* os = sym->object()->output_section(sym->shnum(),
|
|
|
|
&secoff);
|
2006-09-28 00:53:42 +02:00
|
|
|
|
2006-10-10 20:54:06 +02:00
|
|
|
if (os == NULL)
|
2006-09-26 23:00:34 +02:00
|
|
|
{
|
2006-09-28 00:53:42 +02:00
|
|
|
// We should be able to erase this symbol from the symbol
|
|
|
|
// table, but at least with gcc 4.0.2
|
|
|
|
// std::unordered_map::erase doesn't appear to return the
|
|
|
|
// new iterator.
|
|
|
|
// p = this->table_.erase(p);
|
|
|
|
++p;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2006-10-10 20:54:06 +02:00
|
|
|
sym->set_value(sym->value() + os->address() + secoff);
|
2006-09-28 00:53:42 +02:00
|
|
|
pool->add(sym->name());
|
|
|
|
++p;
|
2006-09-29 21:58:17 +02:00
|
|
|
++count;
|
2006-09-28 00:53:42 +02:00
|
|
|
off += sym_size;
|
2006-09-26 23:00:34 +02:00
|
|
|
}
|
|
|
|
}
|
2006-09-28 00:53:42 +02:00
|
|
|
|
2006-09-29 21:58:17 +02:00
|
|
|
this->output_count_ = count;
|
|
|
|
|
2006-09-28 00:53:42 +02:00
|
|
|
return off;
|
2006-09-26 23:00:34 +02:00
|
|
|
}
|
|
|
|
|
2006-09-29 21:58:17 +02:00
|
|
|
// Write out the global symbols.
|
|
|
|
|
|
|
|
void
|
|
|
|
Symbol_table::write_globals(const Target* target, const Stringpool* sympool,
|
|
|
|
Output_file* of) const
|
|
|
|
{
|
|
|
|
if (this->size_ == 32)
|
|
|
|
{
|
|
|
|
if (target->is_big_endian())
|
|
|
|
this->sized_write_globals<32, true>(target, sympool, of);
|
|
|
|
else
|
|
|
|
this->sized_write_globals<32, false>(target, sympool, of);
|
|
|
|
}
|
|
|
|
else if (this->size_ == 64)
|
|
|
|
{
|
|
|
|
if (target->is_big_endian())
|
|
|
|
this->sized_write_globals<64, true>(target, sympool, of);
|
|
|
|
else
|
|
|
|
this->sized_write_globals<64, false>(target, sympool, of);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
abort();
|
|
|
|
}
|
|
|
|
|
|
|
|
// Write out the global symbols.
|
|
|
|
|
|
|
|
template<int size, bool big_endian>
|
|
|
|
void
|
|
|
|
Symbol_table::sized_write_globals(const Target*,
|
|
|
|
const Stringpool* sympool,
|
|
|
|
Output_file* of) const
|
|
|
|
{
|
|
|
|
const int sym_size = elfcpp::Elf_sizes<size>::sym_size;
|
|
|
|
unsigned char* psyms = of->get_output_view(this->offset_,
|
|
|
|
this->output_count_ * sym_size);
|
|
|
|
unsigned char* ps = psyms;
|
|
|
|
for (Symbol_table_type::const_iterator p = this->table_.begin();
|
|
|
|
p != this->table_.end();
|
|
|
|
++p)
|
|
|
|
{
|
|
|
|
Sized_symbol<size>* sym = static_cast<Sized_symbol<size>*>(p->second);
|
|
|
|
|
|
|
|
// FIXME: This repeats sized_finalize().
|
|
|
|
|
|
|
|
// FIXME: This is wrong.
|
|
|
|
if (sym->shnum() >= elfcpp::SHN_LORESERVE)
|
|
|
|
continue;
|
|
|
|
|
2006-10-10 20:54:06 +02:00
|
|
|
off_t secoff;
|
|
|
|
Output_section* os = sym->object()->output_section(sym->shnum(),
|
|
|
|
&secoff);
|
|
|
|
if (os == NULL)
|
2006-09-29 21:58:17 +02:00
|
|
|
continue;
|
|
|
|
|
|
|
|
elfcpp::Sym_write<size, big_endian> osym(ps);
|
|
|
|
osym.put_st_name(sympool->get_offset(sym->name()));
|
|
|
|
osym.put_st_value(sym->value());
|
|
|
|
osym.put_st_size(sym->symsize());
|
|
|
|
osym.put_st_info(elfcpp::elf_st_info(sym->binding(), sym->type()));
|
|
|
|
osym.put_st_other(elfcpp::elf_st_other(sym->visibility(), sym->other()));
|
2006-10-10 20:54:06 +02:00
|
|
|
osym.put_st_shndx(os->shndx());
|
2006-09-29 21:58:17 +02:00
|
|
|
|
|
|
|
ps += sym_size;
|
|
|
|
}
|
|
|
|
|
|
|
|
of->write_output_view(this->offset_, this->output_count_ * sym_size, psyms);
|
|
|
|
}
|
|
|
|
|
2006-08-19 00:29:20 +02:00
|
|
|
// Instantiate the templates we need. We could use the configure
|
|
|
|
// script to restrict this to only the ones needed for implemented
|
|
|
|
// targets.
|
|
|
|
|
|
|
|
template
|
|
|
|
void
|
|
|
|
Symbol_table::add_from_object<32, true>(
|
|
|
|
Sized_object<32, true>* object,
|
|
|
|
const elfcpp::Sym<32, true>* syms,
|
|
|
|
size_t count,
|
|
|
|
const char* sym_names,
|
|
|
|
size_t sym_name_size,
|
|
|
|
Symbol** sympointers);
|
|
|
|
|
|
|
|
template
|
|
|
|
void
|
|
|
|
Symbol_table::add_from_object<32, false>(
|
|
|
|
Sized_object<32, false>* object,
|
|
|
|
const elfcpp::Sym<32, false>* syms,
|
|
|
|
size_t count,
|
|
|
|
const char* sym_names,
|
|
|
|
size_t sym_name_size,
|
|
|
|
Symbol** sympointers);
|
|
|
|
|
|
|
|
template
|
|
|
|
void
|
|
|
|
Symbol_table::add_from_object<64, true>(
|
|
|
|
Sized_object<64, true>* object,
|
|
|
|
const elfcpp::Sym<64, true>* syms,
|
|
|
|
size_t count,
|
|
|
|
const char* sym_names,
|
|
|
|
size_t sym_name_size,
|
|
|
|
Symbol** sympointers);
|
|
|
|
|
|
|
|
template
|
|
|
|
void
|
|
|
|
Symbol_table::add_from_object<64, false>(
|
|
|
|
Sized_object<64, false>* object,
|
|
|
|
const elfcpp::Sym<64, false>* syms,
|
|
|
|
size_t count,
|
|
|
|
const char* sym_names,
|
|
|
|
size_t sym_name_size,
|
|
|
|
Symbol** sympointers);
|
|
|
|
|
|
|
|
} // End namespace gold.
|