14bfc3f555
point of symbol resolution and can now issue a multiple definition error. Also added target selection infrastructure.
97 lines
2.6 KiB
C++
97 lines
2.6 KiB
C++
// readsyms.h -- read input file symbols for gold -*- C++ -*-
|
|
|
|
#ifndef GOLD_READSYMS_H
|
|
#define GOLD_READSYMS_H
|
|
|
|
#include "targetsize.h"
|
|
#include "workqueue.h"
|
|
#include "object.h"
|
|
|
|
namespace gold
|
|
{
|
|
|
|
// This Task is responsible for reading the symbols from an input
|
|
// file. This also includes reading the relocations so that we can
|
|
// check for any that require a PLT and/or a GOT. After the data has
|
|
// been read, this queues up another task to actually add the symbols
|
|
// to the symbol table. The tasks are separated because the file
|
|
// reading can occur in parallel but adding the symbols must be done
|
|
// in the order of the input files.
|
|
|
|
class Read_symbols : public Task
|
|
{
|
|
public:
|
|
// DIRPATH is the list of directories to search for libraries.
|
|
// INPUT is the file to read. THIS_BLOCKER is used to prevent the
|
|
// associated Add_symbols task from running before the previous one
|
|
// has completed; it will be NULL for the first task. NEXT_BLOCKER
|
|
// is used to block the next input file from adding symbols.
|
|
Read_symbols(const General_options& options, Symbol_table* symtab,
|
|
const Dirsearch& dirpath, const Input_argument& input,
|
|
Task_token* this_blocker, Task_token* next_blocker)
|
|
: options_(options), symtab_(symtab), dirpath_(dirpath), input_(input),
|
|
this_blocker_(this_blocker), next_blocker_(next_blocker)
|
|
{ }
|
|
|
|
~Read_symbols();
|
|
|
|
// The standard Task methods.
|
|
|
|
Is_runnable_type
|
|
is_runnable(Workqueue*);
|
|
|
|
Task_locker*
|
|
locks(Workqueue*);
|
|
|
|
void
|
|
run(Workqueue*);
|
|
|
|
private:
|
|
const General_options& options_;
|
|
Symbol_table* symtab_;
|
|
const Dirsearch& dirpath_;
|
|
const Input_argument& input_;
|
|
Task_token* this_blocker_;
|
|
Task_token* next_blocker_;
|
|
};
|
|
|
|
// This Task handles adding the symbols to the symbol table. These
|
|
// tasks must be run in the same order as the arguments appear on the
|
|
// command line.
|
|
|
|
class Add_symbols : public Task
|
|
{
|
|
public:
|
|
// THIS_BLOCKER is used to prevent this task from running before the
|
|
// one for the previous input file. NEXT_BLOCKER is used to prevent
|
|
// the next task from running.
|
|
Add_symbols(Symbol_table* symtab, Object* object, Read_symbols_data sd,
|
|
Task_token* this_blocker, Task_token* next_blocker)
|
|
: symtab_(symtab), object_(object), sd_(sd), this_blocker_(this_blocker),
|
|
next_blocker_(next_blocker)
|
|
{ }
|
|
|
|
~Add_symbols();
|
|
|
|
// The standard Task methods.
|
|
|
|
Is_runnable_type
|
|
is_runnable(Workqueue*);
|
|
|
|
Task_locker*
|
|
locks(Workqueue*);
|
|
|
|
void
|
|
run(Workqueue*);
|
|
|
|
private:
|
|
Symbol_table* symtab_;
|
|
Object* object_;
|
|
Read_symbols_data sd_;
|
|
Task_token* this_blocker_;
|
|
Task_token* next_blocker_;
|
|
};
|
|
|
|
} // end namespace gold
|
|
|
|
#endif // !defined(GOLD_READSYMS_H)
|