g++ 3.2.2 portability fixes.

This commit is contained in:
Ian Lance Taylor 2006-09-26 21:50:25 +00:00
parent d288e464ac
commit 274e99f9ae
7 changed files with 105 additions and 17 deletions

View File

@ -39,10 +39,32 @@
#include <ext/hash_map>
#include <ext/hash_set>
#include <string>
#define Unordered_set __gnu_cxx::hash_set
#define Unordered_map __gnu_cxx::hash_map
namespace __gnu_cxx
{
template<>
struct hash<std::string>
{
size_t
operator()(std::string s) const
{ return __stl_hash_string(s.c_str()); }
};
template<typename T>
struct hash<T*>
{
size_t
operator()(T* p) const
{ return reinterpret_cast<size_t>(p); }
};
}
#else
// The fallback is to just use set and map.

View File

@ -92,8 +92,6 @@ class Object
template<int size, bool big_endian>
Sized_target<size, big_endian>*
sized_target();
#else
virtual Target* sized_target() = 0;
#endif
// Read the symbol and relocation information.
@ -248,7 +246,13 @@ class Sized_object : public Object
// Return the appropriate Sized_target structure.
Sized_target<size, big_endian>*
sized_target()
{ return this->Object::sized_target<size, big_endian>(); }
{
#ifdef HAVE_MEMBER_TEMPLATE_SPECIFICATIONS
return this->Object::sized_target<size, big_endian>();
#else
return static_cast<Sized_target<size, big_endian>*>(this->target());
#endif
}
private:
// This object may not be copied.
@ -290,7 +294,7 @@ class Input_objects
{
public:
Input_objects()
: object_list_()
: object_list_(), any_dynamic_(false)
{ }
// The type of the list of input objects.

View File

@ -52,7 +52,16 @@ Symbol_table::resolve(Sized_symbol<size>* to,
{
if (object->target()->has_resolve())
{
object->sized_target<size, big_endian>()->resolve(to, sym, object);
Sized_target<size, big_endian>* sized_target;
#ifdef HAVE_MEMBER_TEMPLATE_SPECIFICATIONS
sized_target = object->sized_target<size, big_endian>();
#else
Target* target = object->target();
assert(target->get_size() == size);
assert(target->is_big_endian() ? big_endian : !big_endian);
sized_target = static_cast<Sized_target<size, big_endian>*>(target);
#endif
sized_target->resolve(to, sym, object);
return;
}

View File

@ -58,9 +58,15 @@ class Stringpool
{ return strcmp(p1, p2) == 0; }
};
#ifdef HAVE_TR1_UNORDERED_SET
typedef Unordered_set<const char*, Stringpool_hash, Stringpool_eq,
std::allocator<const char*>,
true> String_set_type;
#else
typedef Unordered_set<const char*, Stringpool_hash, Stringpool_eq,
std::allocator<const char*> > String_set_type;
#endif
String_set_type string_set_;
std::list<stringdata*> strings_;
};

View File

@ -107,6 +107,8 @@ Symbol_table::resolve_forwards(Symbol* from) const
// version is the default version. Because this is unusual, we do
// this the slow way, by converting back to an ELF symbol.
#ifdef HAVE_MEMBER_TEMPLATE_SPECIFICATIONS
template<int size, bool big_endian>
void
Symbol_table::resolve(Sized_symbol<size>* to, const Sized_symbol<size>* from)
@ -122,6 +124,40 @@ Symbol_table::resolve(Sized_symbol<size>* to, const Sized_symbol<size>* from)
Symbol_table::resolve(to, esym.sym(), from->object());
}
#else
template<int size>
void
Symbol_table::resolve(Sized_symbol<size>* to, const Sized_symbol<size>* from,
bool big_endian)
{
unsigned char buf[elfcpp::Elf_sizes<size>::sym_size];
if (big_endian)
{
elfcpp::Sym_write<size, true> 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());
}
else
{
elfcpp::Sym_write<size, false> 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());
}
}
#endif
// 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.
@ -174,7 +210,12 @@ Symbol_table::add_from_object(Sized_object<size, big_endian>* object,
if (!ins.second)
{
// We already have an entry for NAME/VERSION.
#ifdef HAVE_MEMBER_TEMPLATE_SPECIFICATIONS
ret = this->get_sized_symbol<size>(ins.first->second);
#else
assert(size == this->get_size());
ret = static_cast<Sized_symbol<size>*>(ins.first->second);
#endif
assert(ret != NULL);
Symbol_table::resolve(ret, sym, object);
@ -190,9 +231,14 @@ Symbol_table::add_from_object(Sized_object<size, big_endian>* object,
{
// This is the unfortunate case where we already have
// entries for both NAME/VERSION and NAME/NULL.
const Sized_symbol<size>* sym2 =
this->get_sized_symbol<size>(insdef.first->second);
const Sized_symbol<size>* sym2;
#ifdef HAVE_MEMBER_TEMPLATE_SPECIFICATIONS
sym2 = this->get_sized_symbol<size>(insdef.first->second);
Symbol_table::resolve<size, big_endian>(ret, sym2);
#else
sym2 = static_cast<Sized_symbol<size>*>(insdef.first->second);
Symbol_table::resolve(ret, sym2, big_endian);
#endif
this->make_forwarder(insdef.first->second, ret);
insdef.first->second = ret;
}
@ -206,7 +252,11 @@ Symbol_table::add_from_object(Sized_object<size, big_endian>* object,
{
// We already have an entry for NAME/NULL. Make
// NAME/VERSION point to it.
#ifdef HAVE_MEMBER_TEMPLATE_SPECIFICATIONS
ret = this->get_sized_symbol<size>(insdef.first->second);
#else
ret = static_cast<Sized_symbol<size>*>(insdef.first->second);
#endif
Symbol_table::resolve(ret, sym, object);
ins.first->second = ret;
}

View File

@ -265,9 +265,16 @@ class Symbol_table
const elfcpp::Sym<size, big_endian>& sym,
Object*);
#ifdef HAVE_MEMBER_TEMPLATE_SPECIFICATIONS
template<int size, bool big_endian>
static void
resolve(Sized_symbol<size>* to, const Sized_symbol<size>* from);
#else
template<int size>
static void
resolve(Sized_symbol<size>* to, const Sized_symbol<size>* from,
bool big_endian);
#endif
// The type of the symbol hash table.

View File

@ -50,16 +50,6 @@ class Target
has_resolve() const
{ return this->has_resolve_; }
// Resolve a symbol. This is called when we see a symbol with a
// target specific binding (STB_LOOS through STB_HIOS or STB_LOPROC
// through STB_HIPROC). TO is a pre-existing symbol. SYM is the
// new symbol, seen in OBJECT. This returns true on success, false
// if the symbol can not be resolved.
template<int size, bool big_endian>
bool
resolve(Sized_symbol<size>* to, const elfcpp::Sym<size, big_endian>& sym,
Object* object);
protected:
Target(int size, bool is_big_endian, bool has_make_symbol, bool has_resolve)
: size_(size),