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Reduce the number of system calls. Use readv instead of pread. Do

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better handling of cached views.
This commit is contained in:
Ian Lance Taylor
2008-01-02 23:48:49 +00:00
parent 2745d86e69
commit cb29561284
12 changed files with 404 additions and 120 deletions
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31
gold/symtab.cc
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@ -1403,8 +1403,8 @@ Symbol_table::set_dynsym_indexes(const Target* target,
// OFF. Add their names to POOL. Return the new file offset.
off_t
Symbol_table::finalize(const Task* task, unsigned int index, off_t off,
off_t dynoff, size_t dyn_global_index, size_t dyncount,
Symbol_table::finalize(unsigned int index, off_t off, off_t dynoff,
size_t dyn_global_index, size_t dyncount,
Stringpool* pool)
{
off_t ret;
@ -1437,7 +1437,7 @@ Symbol_table::finalize(const Task* task, unsigned int index, off_t off,
// Now that we have the final symbol table, we can reliably note
// which symbols should get warnings.
this->warnings_.note_warnings(this, task);
this->warnings_.note_warnings(this);
return ret;
}
@ -2004,10 +2004,10 @@ Symbol_table::detect_odr_violations(const Task* task,
void
Warnings::add_warning(Symbol_table* symtab, const char* name, Object* obj,
unsigned int shndx)
const std::string& warning)
{
name = symtab->canonicalize_name(name);
this->warnings_[name].set(obj, shndx);
this->warnings_[name].set(obj, warning);
}
// Look through the warnings and mark the symbols for which we should
@ -2015,7 +2015,7 @@ Warnings::add_warning(Symbol_table* symtab, const char* name, Object* obj,
// sources for all the symbols.
void
Warnings::note_warnings(Symbol_table* symtab, const Task* task)
Warnings::note_warnings(Symbol_table* symtab)
{
for (Warning_table::iterator p = this->warnings_.begin();
p != this->warnings_.end();
@ -2025,24 +2025,7 @@ Warnings::note_warnings(Symbol_table* symtab, const Task* task)
if (sym != NULL
&& sym->source() == Symbol::FROM_OBJECT
&& sym->object() == p->second.object)
{
sym->set_has_warning();
// Read the section contents to get the warning text. It
// would be nicer if we only did this if we have to actually
// issue a warning. Unfortunately, warnings are issued as
// we relocate sections. That means that we can not lock
// the object then, as we might try to issue the same
// warning multiple times simultaneously.
{
Task_lock_obj<Object> tl(task, p->second.object);
const unsigned char* c;
section_size_type len;
c = p->second.object->section_contents(p->second.shndx, &len,
false);
p->second.set_text(reinterpret_cast<const char*>(c), len);
}
}
sym->set_has_warning();
}
}