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Add cache parameter to get_view. Discard uncached views on unlock.

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Fix bug this exposed in archive armap symbol name handling.
This commit is contained in:
Ian Lance Taylor
2007-09-25 17:50:26 +00:00
parent 0b058123a0
commit 9eb9fa57c2
10 changed files with 141 additions and 113 deletions
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17
gold/archive.h
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@ -44,7 +44,8 @@ class Archive
{
public:
Archive(const std::string& name, Input_file* input_file)
: name_(name), input_file_(input_file), armap_(), extended_names_()
: name_(name), input_file_(input_file), armap_(), armap_names_(),
extended_names_(), armap_checked_(), seen_offsets_()
{ }
// The length of the magic string at the start of an archive.
@ -98,8 +99,8 @@ class Archive
// Get a view into the underlying file.
const unsigned char*
get_view(off_t start, off_t size)
{ return this->input_file_->file().get_view(start, size); }
get_view(off_t start, off_t size, bool cache)
{ return this->input_file_->file().get_view(start, size, cache); }
// Read the archive symbol map.
void
@ -126,10 +127,10 @@ class Archive
// An entry in the archive map of symbols to object files.
struct Armap_entry
{
// The symbol name.
const char* name;
// The offset to the file.
off_t offset;
// The offset to the symbol name in armap_names_.
off_t name_offset;
// The file offset to the object in the archive.
off_t file_offset;
};
// A simple hash code for off_t values.
@ -146,6 +147,8 @@ class Archive
Input_file* input_file_;
// The archive map.
std::vector<Armap_entry> armap_;
// The names in the archive map.
std::string armap_names_;
// The extended name table.
std::string extended_names_;
// Track which symbols in the archive map are for elements which are