#include "gold.h"
-#include <cassert>
#include <stdint.h>
#include <string>
#include <utility>
void
Symbol_table::make_forwarder(Symbol* from, Symbol* to)
{
- assert(from != to);
- assert(!from->is_forwarder() && !to->is_forwarder());
+ gold_assert(from != to);
+ gold_assert(!from->is_forwarder() && !to->is_forwarder());
this->forwarders_[from] = to;
from->set_forwarder();
}
Symbol*
Symbol_table::resolve_forwards(const Symbol* from) const
{
- assert(from->is_forwarder());
+ gold_assert(from->is_forwarder());
Unordered_map<const Symbol*, Symbol*>::const_iterator p =
this->forwarders_.find(from);
- assert(p != this->forwarders_.end());
+ gold_assert(p != this->forwarders_.end());
return p->second;
}
// We already have an entry for NAME/VERSION.
ret = this->get_sized_symbol SELECT_SIZE_NAME(size) (ins.first->second
SELECT_SIZE(size));
- assert(ret != NULL);
+ gold_assert(ret != NULL);
was_undefined = ret->is_undefined();
was_common = ret->is_common();
else
{
// This is the first time we have seen NAME/VERSION.
- assert(ins.first->second == NULL);
+ gold_assert(ins.first->second == NULL);
was_undefined = false;
was_common = false;
{
// This is the first time we have seen NAME/NULL. Point
// it at the new entry for NAME/VERSION.
- assert(insdef.second);
+ gold_assert(insdef.second);
insdef.first->second = ret;
}
}
bool only_if_ref
ACCEPT_SIZE_ENDIAN)
{
- assert(this->size_ == size);
+ gold_assert(this->size_ == size);
Symbol* oldsym;
Sized_symbol<size>* sym;
{
// We already have a symbol table entry for NAME.
oldsym = ins.first->second;
- assert(oldsym != NULL);
+ gold_assert(oldsym != NULL);
sym = NULL;
}
else
{
// We haven't seen this symbol before.
- assert(ins.first->second == NULL);
+ gold_assert(ins.first->second == NULL);
if (!target->has_make_symbol())
sym = new Sized_symbol<size>();
else
{
- assert(target->get_size() == size);
- assert(target->is_big_endian() ? big_endian : !big_endian);
+ gold_assert(target->get_size() == size);
+ gold_assert(target->is_big_endian() ? big_endian : !big_endian);
typedef Sized_target<size, big_endian> My_target;
My_target* sized_target = static_cast<My_target*>(target);
sym = sized_target->make_symbol();
if (oldsym != NULL)
{
- assert(sym == NULL);
+ gold_assert(sym == NULL);
sym = this->get_sized_symbol SELECT_SIZE_NAME(size) (oldsym
SELECT_SIZE(size));
- assert(sym->source() == Symbol::FROM_OBJECT);
+ gold_assert(sym->source() == Symbol::FROM_OBJECT);
const int old_shnum = sym->shnum();
if (old_shnum != elfcpp::SHN_UNDEF
&& old_shnum != elfcpp::SHN_COMMON
bool offset_is_from_end,
bool only_if_ref)
{
- assert(target->get_size() == this->size_);
+ gold_assert(target->get_size() == this->size_);
if (this->size_ == 32)
this->do_define_in_output_data<32>(target, name, od, value, symsize,
type, binding, visibility, nonvis,
type, binding, visibility, nonvis,
offset_is_from_end, only_if_ref);
else
- abort();
+ gold_unreachable();
}
// Define a symbol in an Output_data, sized version.
Symbol::Segment_offset_base offset_base,
bool only_if_ref)
{
- assert(target->get_size() == this->size_);
+ gold_assert(target->get_size() == this->size_);
if (this->size_ == 32)
this->do_define_in_output_segment<32>(target, name, os, value, symsize,
type, binding, visibility, nonvis,
type, binding, visibility, nonvis,
offset_base, only_if_ref);
else
- abort();
+ gold_unreachable();
}
// Define a symbol in an Output_segment, sized version.
elfcpp::STV visibility, unsigned char nonvis,
bool only_if_ref)
{
- assert(target->get_size() == this->size_);
+ gold_assert(target->get_size() == this->size_);
if (this->size_ == 32)
this->do_define_as_constant<32>(target, name, value, symsize,
type, binding, visibility, nonvis,
type, binding, visibility, nonvis,
only_if_ref);
else
- abort();
+ gold_unreachable();
}
// Define a symbol as a constant, sized version.
}
}
+// Set the dynamic symbol indexes. INDEX is the index of the first
+// global dynamic symbol. Pointers to the symbols are stored into the
+// vector SYMS. The names are added to DYNPOOL. This returns an
+// updated dynamic symbol index.
+
+unsigned int
+Symbol_table::set_dynsym_indexes(unsigned int index,
+ std::vector<Symbol*>* syms,
+ Stringpool* dynpool)
+{
+ for (Symbol_table_type::iterator p = this->table_.begin();
+ p != this->table_.end();
+ ++p)
+ {
+ Symbol* sym = p->second;
+ if (sym->needs_dynsym_entry())
+ {
+ sym->set_dynsym_index(index);
+ ++index;
+ syms->push_back(sym);
+ dynpool->add(sym->name(), NULL);
+ }
+ }
+
+ return index;
+}
+
// Set the final values for all the symbols. The index of the first
// global symbol in the output file is INDEX. Record the file offset
// OFF. Add their names to POOL. Return the new file offset.
{
off_t ret;
- assert(index != 0);
+ gold_assert(index != 0);
this->first_global_index_ = index;
if (this->size_ == 32)
else if (this->size_ == 64)
ret = this->sized_finalize<64>(index, off, pool);
else
- abort();
+ gold_unreachable();
// Now that we have the final symbol table, we can reliably note
// which symbols should get warnings.
Sized_symbol<size>* sym = static_cast<Sized_symbol<size>*>(p->second);
// FIXME: Here we need to decide which symbols should go into
- // the output file.
+ // the output file, based on --strip.
+
+ // The default version of a symbol may appear twice in the
+ // symbol table. We only need to finalize it once.
+ if (sym->has_symtab_index())
+ continue;
typename Sized_symbol<size>::Value_type value;
value += os->filesz();
break;
default:
- abort();
+ gold_unreachable();
}
}
break;
break;
default:
- abort();
+ gold_unreachable();
}
sym->set_value(value);
this->sized_write_globals<64, false>(target, sympool, of);
}
else
- abort();
+ gold_unreachable();
}
// Write out the global symbols.
{
Sized_symbol<size>* sym = static_cast<Sized_symbol<size>*>(p->second);
- if (sym->symtab_index() == -1U)
- continue;
+ unsigned int sym_index = sym->symtab_index();
+ if (sym_index == -1U)
+ {
+ // This symbol is not included in the output file.
+ continue;
+ }
+ if (sym_index != index)
+ {
+ // We have already seen this symbol, because it has a
+ // default version.
+ gold_assert(sym_index < index);
+ continue;
+ }
+ ++index;
unsigned int shndx;
switch (sym->source())
Relobj* relobj = static_cast<Relobj*>(symobj);
off_t secoff;
Output_section* os = relobj->output_section(shnum, &secoff);
- assert(os != NULL);
+ gold_assert(os != NULL);
shndx = os->out_shndx();
}
}
break;
default:
- abort();
+ gold_unreachable();
}
- assert(sym->symtab_index() == index);
- ++index;
-
elfcpp::Sym_write<size, big_endian> osym(ps);
osym.put_st_name(sympool->get_offset(sym->name()));
osym.put_st_value(sym->value());
ps += sym_size;
}
- assert(ps - psyms == oview_size);
+ gold_assert(ps - psyms == oview_size);
of->write_output_view(this->offset_, oview_size, psyms);
}
+// Write out a section symbol. Return the update offset.
+
+void
+Symbol_table::write_section_symbol(const Target* target,
+ const Output_section *os,
+ Output_file* of,
+ off_t offset) const
+{
+ if (this->size_ == 32)
+ {
+ if (target->is_big_endian())
+ this->sized_write_section_symbol<32, true>(os, of, offset);
+ else
+ this->sized_write_section_symbol<32, false>(os, of, offset);
+ }
+ else if (this->size_ == 64)
+ {
+ if (target->is_big_endian())
+ this->sized_write_section_symbol<64, true>(os, of, offset);
+ else
+ this->sized_write_section_symbol<64, false>(os, of, offset);
+ }
+ else
+ gold_unreachable();
+}
+
+// Write out a section symbol, specialized for size and endianness.
+
+template<int size, bool big_endian>
+void
+Symbol_table::sized_write_section_symbol(const Output_section* os,
+ Output_file* of,
+ off_t offset) const
+{
+ const int sym_size = elfcpp::Elf_sizes<size>::sym_size;
+
+ unsigned char* pov = of->get_output_view(offset, sym_size);
+
+ elfcpp::Sym_write<size, big_endian> osym(pov);
+ osym.put_st_name(0);
+ osym.put_st_value(os->address());
+ osym.put_st_size(0);
+ osym.put_st_info(elfcpp::elf_st_info(elfcpp::STB_LOCAL,
+ elfcpp::STT_SECTION));
+ osym.put_st_other(elfcpp::elf_st_other(elfcpp::STV_DEFAULT, 0));
+ osym.put_st_shndx(os->out_shndx());
+
+ of->write_output_view(offset, sym_size, pov);
+}
+
// Warnings functions.
// Add a new warning.
void
Warnings::issue_warning(const Symbol* sym, const std::string& location) const
{
- assert(sym->has_warning());
+ gold_assert(sym->has_warning());
Warning_table::const_iterator p = this->warnings_.find(sym->name());
- assert(p != this->warnings_.end());
+ gold_assert(p != this->warnings_.end());
fprintf(stderr, _("%s: %s: warning: %s\n"), program_name, location.c_str(),
p->second.text.c_str());
}
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