// plugin.c -- plugin manager for gold -*- C++ -*-
-// Copyright 2008 Free Software Foundation, Inc.
+// Copyright 2008, 2009 Free Software Foundation, Inc.
// Written by Cary Coutant <ccoutant@google.com>.
// This file is part of gold.
add_symbols(void *handle, int nsyms, const struct ld_plugin_symbol *syms);
static enum ld_plugin_status
+get_input_file(const void *handle, struct ld_plugin_input_file *file);
+
+static enum ld_plugin_status
+release_input_file(const void *handle);
+
+static enum ld_plugin_status
get_symbols(const void *handle, int nsyms, struct ld_plugin_symbol *syms);
static enum ld_plugin_status
#endif // ENABLE_PLUGINS
static Pluginobj* make_sized_plugin_object(Input_file* input_file,
- off_t offset);
+ off_t offset, off_t filesize);
// Plugin methods.
sscanf(ver, "%d.%d", &major, &minor);
// Allocate and populate a transfer vector.
- const int tv_fixed_size = 11;
+ const int tv_fixed_size = 13;
int tv_size = this->args_.size() + tv_fixed_size;
ld_plugin_tv *tv = new ld_plugin_tv[tv_size];
tv[i].tv_u.tv_add_symbols = add_symbols;
++i;
+ tv[i].tv_tag = LDPT_GET_INPUT_FILE;
+ tv[i].tv_u.tv_get_input_file = get_input_file;
+
+ ++i;
+ tv[i].tv_tag = LDPT_RELEASE_INPUT_FILE;
+ tv[i].tv_u.tv_release_input_file = release_input_file;
+
+ ++i;
tv[i].tv_tag = LDPT_GET_SYMBOLS;
tv[i].tv_u.tv_get_symbols = get_symbols;
// Call the all-symbols-read handlers.
void
-Plugin_manager::all_symbols_read(Workqueue* workqueue,
+Plugin_manager::all_symbols_read(Workqueue* workqueue, Task* task,
Input_objects* input_objects,
Symbol_table* symtab, Layout* layout,
Dirsearch* dirpath, Mapfile* mapfile,
{
this->in_replacement_phase_ = true;
this->workqueue_ = workqueue;
+ this->task_ = task;
this->input_objects_ = input_objects;
this->symtab_ = symtab;
this->layout_ = layout;
return NULL;
Pluginobj* obj = make_sized_plugin_object(this->input_file_,
- this->plugin_input_file_.offset);
+ this->plugin_input_file_.offset,
+ this->plugin_input_file_.filesize);
this->objects_.push_back(obj);
return obj;
}
+// Get the input file information with an open (possibly re-opened)
+// file descriptor.
+
+ld_plugin_status
+Plugin_manager::get_input_file(unsigned int handle,
+ struct ld_plugin_input_file *file)
+{
+ Pluginobj* obj = this->object(handle);
+ if (obj == NULL)
+ return LDPS_BAD_HANDLE;
+
+ obj->lock(this->task_);
+ file->name = obj->filename().c_str();
+ file->fd = obj->descriptor();
+ file->offset = obj->offset();
+ file->filesize = obj->filesize();
+ file->handle = reinterpret_cast<void*>(handle);
+ return LDPS_OK;
+}
+
+// Release the input file.
+
+ld_plugin_status
+Plugin_manager::release_input_file(unsigned int handle)
+{
+ Pluginobj* obj = this->object(handle);
+ if (obj == NULL)
+ return LDPS_BAD_HANDLE;
+
+ obj->unlock(this->task_);
+ return LDPS_OK;
+}
+
// Add a new input file.
ld_plugin_status
// Class Pluginobj.
Pluginobj::Pluginobj(const std::string& name, Input_file* input_file,
- off_t offset)
+ off_t offset, off_t filesize)
: Object(name, input_file, false, offset),
- nsyms_(0), syms_(NULL), symbols_(), comdat_map_()
+ nsyms_(0), syms_(NULL), symbols_(), filesize_(filesize), comdat_map_()
{
}
Sized_pluginobj<size, big_endian>::Sized_pluginobj(
const std::string& name,
Input_file* input_file,
- off_t offset)
- : Pluginobj(name, input_file, offset)
+ off_t offset,
+ off_t filesize)
+ : Pluginobj(name, input_file, offset, filesize)
{
}
{
gold_assert(this->options_.has_plugins());
this->options_.plugins()->all_symbols_read(workqueue,
+ this,
this->input_objects_,
this->symtab_,
this->layout_,
return LDPS_OK;
}
+// Get the input file information with an open (possibly re-opened)
+// file descriptor.
+
+static enum ld_plugin_status
+get_input_file(const void *handle, struct ld_plugin_input_file *file)
+{
+ gold_assert(parameters->options().has_plugins());
+ unsigned int obj_index =
+ static_cast<unsigned int>(reinterpret_cast<intptr_t>(handle));
+ return parameters->options().plugins()->get_input_file(obj_index, file);
+}
+
+// Release the input file.
+
+static enum ld_plugin_status
+release_input_file(const void *handle)
+{
+ gold_assert(parameters->options().has_plugins());
+ unsigned int obj_index =
+ static_cast<unsigned int>(reinterpret_cast<intptr_t>(handle));
+ return parameters->options().plugins()->release_input_file(obj_index);
+}
+
// Get the symbol resolution info for a plugin-claimed input file.
static enum ld_plugin_status
// Allocate a Pluginobj object of the appropriate size and endianness.
static Pluginobj*
-make_sized_plugin_object(Input_file* input_file, off_t offset)
+make_sized_plugin_object(Input_file* input_file, off_t offset, off_t filesize)
{
Target* target;
Pluginobj* obj = NULL;
if (target->is_big_endian())
#ifdef HAVE_TARGET_32_BIG
obj = new Sized_pluginobj<32, true>(input_file->filename(),
- input_file, offset);
+ input_file, offset, filesize);
#else
gold_error(_("%s: not configured to support "
"32-bit big-endian object"),
else
#ifdef HAVE_TARGET_32_LITTLE
obj = new Sized_pluginobj<32, false>(input_file->filename(),
- input_file, offset);
+ input_file, offset, filesize);
#else
gold_error(_("%s: not configured to support "
"32-bit little-endian object"),
if (target->is_big_endian())
#ifdef HAVE_TARGET_64_BIG
obj = new Sized_pluginobj<64, true>(input_file->filename(),
- input_file, offset);
+ input_file, offset, filesize);
#else
gold_error(_("%s: not configured to support "
"64-bit big-endian object"),
else
#ifdef HAVE_TARGET_64_LITTLE
obj = new Sized_pluginobj<64, false>(input_file->filename(),
- input_file, offset);
+ input_file, offset, filesize);
#else
gold_error(_("%s: not configured to support "
"64-bit little-endian object"),
projects / external / binutils.git / blobdiff