2010-06-21 Rafael Espindola <espindola@google.com>

* fileread.cc (Input_file::find_fie): New
	(Input_file::open): Use Input_file::find_fie.
	* fileread.h (Input_file::find_fie): New
	* plugin.cc (set_extra_library_path): New.
	(Plugin::load): Add set_extra_library_path to the transfer vector.
	(Plugin_manager::set_extra_library_path): New.
	(Plugin_manager::add_input_file): Use the extra search path if set.
	(set_extra_library_path(): New.
	* plugin.h (Plugin_manager): Add set_extra_library_path and
	extra_search_path_.
2010-06-21  Rafael Espindola  <espindola@google.com>

	* plugin-api.h (ld_plugin_set_extra_library_path): New.
	(ld_plugin_tag): Add LDPT_SET_EXTRA_LIBRARY_PATH.
	(ld_plugin_tv): Add tv_set_extra_library_path.
This commit is contained in:
Rafael Ávila de Espíndola 2010-06-21 21:21:25 +00:00
parent 75079b2b31
commit 42218b9f16
6 changed files with 154 additions and 48 deletions

View File

@ -1,3 +1,16 @@
2010-06-21 Rafael Espindola <espindola@google.com>
* fileread.cc (Input_file::find_fie): New
(Input_file::open): Use Input_file::find_fie.
* fileread.h (Input_file::find_fie): New
* plugin.cc (set_extra_library_path): New.
(Plugin::load): Add set_extra_library_path to the transfer vector.
(Plugin_manager::set_extra_library_path): New.
(Plugin_manager::add_input_file): Use the extra search path if set.
(set_extra_library_path(): New.
* plugin.h (Plugin_manager): Add set_extra_library_path and
extra_search_path_.
2010-06-19 Cary Coutant <ccoutant@google.com>
* layout.cc (gdb_sections): Add .debug_types.

View File

@ -841,8 +841,30 @@ File_read::get_mtime()
#endif
}
// Open the file.
// Try to find a file in the extra search dirs. Returns true on success.
static bool
try_extra_search_path(int* pindex, const Input_file_argument* input_argument,
std::string filename, std::string* found_name,
std::string* namep) {
if (input_argument->extra_search_path() == NULL)
return false;
std::string name = input_argument->extra_search_path();
if (!IS_DIR_SEPARATOR (name[name.length() - 1]))
name += '/';
name += filename;
struct stat dummy_stat;
if (*pindex > 0 || ::stat(name.c_str(), &dummy_stat) < 0)
return false;
*found_name = filename;
*namep = name;
return true;
}
// Find the actual file.
// If the filename is not absolute, we assume it is in the current
// directory *except* when:
// A) input_argument_->is_lib() is true;
@ -851,35 +873,37 @@ File_read::get_mtime()
// In each, we look in extra_search_path + library_path to find
// the file location, rather than the current directory.
bool
Input_file::open(const Dirsearch& dirpath, const Task* task, int *pindex)
static bool
find_file(const Dirsearch& dirpath, int* pindex,
const Input_file_argument* input_argument, bool* is_in_sysroot,
std::string* found_name, std::string* namep)
{
std::string name;
// Case 1: name is an absolute file, just try to open it
// Case 2: name is relative but is_lib is false, is_searched_file is false,
// and extra_search_path is empty
if (IS_ABSOLUTE_PATH(this->input_argument_->name())
|| (!this->input_argument_->is_lib()
&& !this->input_argument_->is_searched_file()
&& this->input_argument_->extra_search_path() == NULL))
if (IS_ABSOLUTE_PATH(input_argument->name())
|| (!input_argument->is_lib()
&& !input_argument->is_searched_file()
&& input_argument->extra_search_path() == NULL))
{
name = this->input_argument_->name();
this->found_name_ = name;
name = input_argument->name();
*found_name = name;
*namep = name;
return true;
}
// Case 3: is_lib is true or is_searched_file is true
else if (this->input_argument_->is_lib()
|| this->input_argument_->is_searched_file())
else if (input_argument->is_lib()
|| input_argument->is_searched_file())
{
// We don't yet support extra_search_path with -l.
gold_assert(this->input_argument_->extra_search_path() == NULL);
std::string n1, n2;
if (this->input_argument_->is_lib())
if (input_argument->is_lib())
{
n1 = "lib";
n1 += this->input_argument_->name();
n1 += input_argument->name();
if (parameters->options().is_static()
|| !this->input_argument_->options().Bdynamic())
|| !input_argument->options().Bdynamic())
n1 += ".a";
else
{
@ -888,49 +912,66 @@ Input_file::open(const Dirsearch& dirpath, const Task* task, int *pindex)
}
}
else
n1 = this->input_argument_->name();
name = dirpath.find(n1, n2, &this->is_in_sysroot_, pindex);
n1 = input_argument->name();
if (try_extra_search_path(pindex, input_argument, n1, found_name, namep))
return true;
if (!n2.empty() && try_extra_search_path(pindex, input_argument, n2,
found_name, namep))
return true;
// It is not in the extra_search_path.
name = dirpath.find(n1, n2, is_in_sysroot, pindex);
if (name.empty())
{
gold_error(_("cannot find %s%s"),
this->input_argument_->is_lib() ? "-l" : "",
this->input_argument_->name());
input_argument->is_lib() ? "-l" : "",
input_argument->name());
return false;
}
if (n2.empty() || name[name.length() - 1] == 'o')
this->found_name_ = n1;
*found_name = n1;
else
this->found_name_ = n2;
*found_name = n2;
*namep = name;
return true;
}
// Case 4: extra_search_path is not empty
else
{
gold_assert(this->input_argument_->extra_search_path() != NULL);
gold_assert(input_argument->extra_search_path() != NULL);
// First, check extra_search_path.
name = this->input_argument_->extra_search_path();
if (!IS_DIR_SEPARATOR (name[name.length() - 1]))
name += '/';
name += this->input_argument_->name();
struct stat dummy_stat;
if (*pindex > 0 || ::stat(name.c_str(), &dummy_stat) < 0)
if (try_extra_search_path(pindex, input_argument, input_argument->name(),
found_name, namep))
return true;
// extra_search_path failed, so check the normal search-path.
int index = *pindex;
if (index > 0)
--index;
name = dirpath.find(input_argument->name(), "",
is_in_sysroot, &index);
if (name.empty())
{
// extra_search_path failed, so check the normal search-path.
int index = *pindex;
if (index > 0)
--index;
name = dirpath.find(this->input_argument_->name(), "",
&this->is_in_sysroot_, &index);
if (name.empty())
{
gold_error(_("cannot find %s"),
this->input_argument_->name());
return false;
}
*pindex = index + 1;
gold_error(_("cannot find %s"),
input_argument->name());
return false;
}
this->found_name_ = this->input_argument_->name();
*pindex = index + 1;
return true;
}
}
// Open the file.
bool
Input_file::open(const Dirsearch& dirpath, const Task* task, int *pindex)
{
std::string name;
if (!find_file(dirpath, pindex, this->input_argument_, &this->is_in_sysroot_,
&this->found_name_, &name))
return false;
// Now that we've figured out where the file lives, try to open it.

View File

@ -80,6 +80,9 @@ add_input_file(const char *pathname);
static enum ld_plugin_status
add_input_library(const char *pathname);
static enum ld_plugin_status
set_extra_library_path(const char *path);
static enum ld_plugin_status
message(int level, const char *format, ...);
@ -127,7 +130,7 @@ Plugin::load()
sscanf(ver, "%d.%d", &major, &minor);
// Allocate and populate a transfer vector.
const int tv_fixed_size = 15;
const int tv_fixed_size = 16;
int tv_size = this->args_.size() + tv_fixed_size;
ld_plugin_tv *tv = new ld_plugin_tv[tv_size];
@ -201,6 +204,10 @@ Plugin::load()
tv[i].tv_tag = LDPT_ADD_INPUT_LIBRARY;
tv[i].tv_u.tv_add_input_library = add_input_library;
++i;
tv[i].tv_tag = LDPT_SET_EXTRA_LIBRARY_PATH;
tv[i].tv_u.tv_set_extra_library_path = set_extra_library_path;
++i;
tv[i].tv_tag = LDPT_NULL;
tv[i].tv_u.tv_val = 0;
@ -418,6 +425,15 @@ Plugin_manager::release_input_file(unsigned int handle)
return LDPS_OK;
}
// Add a new library path.
ld_plugin_status
Plugin_manager::set_extra_library_path(const char *path)
{
this->extra_search_path_ = std::string(path);
return LDPS_OK;
}
// Add a new input file.
ld_plugin_status
@ -427,7 +443,11 @@ Plugin_manager::add_input_file(const char *pathname, bool is_lib)
(is_lib
? Input_file_argument::INPUT_FILE_TYPE_LIBRARY
: Input_file_argument::INPUT_FILE_TYPE_FILE),
"", false, this->options_);
(is_lib
? this->extra_search_path_.c_str()
: ""),
false,
this->options_);
Input_argument* input_argument = new Input_argument(file);
Task_token* next_blocker = new Task_token(true);
next_blocker->add_blocker();
@ -1038,6 +1058,16 @@ add_input_library(const char *pathname)
return parameters->options().plugins()->add_input_file(pathname, true);
}
// Set the extra library path to be used by libraries added via
// add_input_library
static enum ld_plugin_status
set_extra_library_path(const char *path)
{
gold_assert(parameters->options().has_plugins());
return parameters->options().plugins()->set_extra_library_path(path);
}
// Issue a diagnostic message from a plugin.
static enum ld_plugin_status

View File

@ -127,7 +127,7 @@ class Plugin_manager
plugin_input_file_(), in_replacement_phase_(false),
options_(options), workqueue_(NULL), task_(NULL), input_objects_(NULL),
symtab_(NULL), layout_(NULL), dirpath_(NULL), mapfile_(NULL),
this_blocker_(NULL)
this_blocker_(NULL), extra_search_path_()
{ this->current_ = plugins_.end(); }
~Plugin_manager();
@ -232,6 +232,10 @@ class Plugin_manager
ld_plugin_status
add_input_file(const char *pathname, bool is_lib);
// Set the extra library path.
ld_plugin_status
set_extra_library_path(const char *path);
// Return TRUE if we are in the replacement phase.
bool
in_replacement_phase() const
@ -275,6 +279,10 @@ class Plugin_manager
Dirsearch* dirpath_;
Mapfile* mapfile_;
Task_token* this_blocker_;
// An extra directory to seach for the libraries passed by
// add_input_library.
std::string extra_search_path_;
};

View File

@ -1,3 +1,9 @@
2010-06-21 Rafael Espindola <espindola@google.com>
* plugin-api.h (ld_plugin_set_extra_library_path): New.
(ld_plugin_tag): Add LDPT_SET_EXTRA_LIBRARY_PATH.
(ld_plugin_tv): Add tv_set_extra_library_path.
2010-06-21 Jakub Jelinek <jakub@redhat.com>
* dwarf2.h (enum dwarf_type): Add DW_ATE_UTF.

View File

@ -228,6 +228,12 @@ typedef
enum ld_plugin_status
(*ld_plugin_add_input_library) (const char *libname);
/* The linker's interface for adding a library path that should be searched. */
typedef
enum ld_plugin_status
(*ld_plugin_set_extra_library_path) (const char *path);
/* The linker's interface for issuing a warning or error message. */
typedef
@ -261,7 +267,8 @@ enum ld_plugin_tag
LDPT_GET_INPUT_FILE,
LDPT_RELEASE_INPUT_FILE,
LDPT_ADD_INPUT_LIBRARY,
LDPT_OUTPUT_NAME
LDPT_OUTPUT_NAME,
LDPT_SET_EXTRA_LIBRARY_PATH
};
/* The plugin transfer vector. */
@ -283,6 +290,7 @@ struct ld_plugin_tv
ld_plugin_get_input_file tv_get_input_file;
ld_plugin_release_input_file tv_release_input_file;
ld_plugin_add_input_library tv_add_input_library;
ld_plugin_set_extra_library_path tv_set_extra_library_path;
} tv_u;
};