#include <callback-info.h>

Collaboration diagram for callback_info:

[legend]

Public Member Functions
void	stream_in (lto_input_block *ib)
void	stream_out (lto_simple_output_block *ib) const
unsigned	get_id () const
void	init (unsigned fn_idx, tree attr)

Data Fields
unsigned	fn_idx
auto_vec< int >	arg_mapping
bool	redirected
const char *	plugin_name
plugin_callback_func	func
void *	user_data
struct callback_info *	next

Detailed Description

Callback attribute summary
Copyright (C) 2026 Free Software Foundation, Inc.
Contributed by Josef Melcr <jmelcr@gcc.gnu.org>

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.

GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.

Summary aggregating all information relevant to callback edges.  Most of the
information can be calculated from the attribute as well, but keeping it
separate allows us to modify the info without touching the underlying
attribute.

List node for keeping track of plugin-registered callback.

Member Function Documentation

◆ get_id()

unsigned callback_info::get_id ( ) const

Returns the id of the associated callback attribute.  See the comment of the
fn_idx field.

References fn_idx.

Referenced by callback_fetch_attr_by_edge().

◆ init()

void callback_info::init	(	unsigned	fn_idx,
		tree	attr )

References arg_mapping, callback_get_arg_mapping_from_attr(), fn_idx, and redirected.

Referenced by cgraph_edge::make_callback().

◆ stream_in()

void callback_info::stream_in ( lto_input_block * ib )

Stream in callback_info.

References arg_mapping, bp_unpack_value(), fn_idx, i, redirected, streamer_read_bitpack(), streamer_read_hwi(), and streamer_read_uhwi().

Referenced by input_edge().

◆ stream_out()

void callback_info::stream_out ( lto_simple_output_block * ob ) const

Stream out callback_info.

References arg_mapping, bitpack_create(), bp_pack_value(), fn_idx, lto_simple_output_block::main_stream, redirected, streamer_write_bitpack(), streamer_write_hwi_stream(), and streamer_write_uhwi_stream().

Referenced by lto_output_edge().

Field Documentation

◆ arg_mapping

auto_vec<int> callback_info::arg_mapping

Referenced by callback_info_sum_t::duplicate(), init(), ipa_compute_jump_functions_for_edge(), stream_in(), and stream_out().

◆ fn_idx

unsigned callback_info::fn_idx

Referenced by callback_info_sum_t::duplicate(), get_id(), init(), cgraph_edge::redirect_call_stmt_to_callee(), stream_in(), and stream_out().

◆ func

plugin_callback_func callback_info::func

Referenced by invoke_plugin_callbacks_full(), and register_callback().

◆ next

struct callback_info* callback_info::next

Referenced by dump_active_plugins(), invoke_plugin_callbacks_full(), register_callback(), and unregister_callback().

◆ plugin_name

const char* callback_info::plugin_name

Referenced by dump_active_plugins(), register_callback(), and unregister_callback().

◆ redirected

bool callback_info::redirected

Referenced by callback_edge_useful_p(), callback_info_sum_t::duplicate(), init(), cgraph_edge::redirect_callee(), stream_in(), and stream_out().

◆ user_data

void* callback_info::user_data