symtab.cc File Reference

#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "backend.h"
#include "target.h"
#include "rtl.h"
#include "tree.h"
#include "gimple.h"
#include "timevar.h"
#include "cgraph.h"
#include "lto-streamer.h"
#include "print-tree.h"
#include "varasm.h"
#include "langhooks.h"
#include "output.h"
#include "ipa-utils.h"
#include "calls.h"
#include "stringpool.h"
#include "attribs.h"
#include "builtins.h"
#include "fold-const.h"

Include dependency graph for symtab.cc:

Macros
#define	EXTRA   16

Functions
static tree	ultimate_transparent_alias_target (tree alias)
static section_hash_entry *	retain_section_hash_entry (section_hash_entry *entry)
static void	release_section_hash_entry (section_hash_entry *entry)
static bool	check_ifunc_resolver (cgraph_node *node, void *data)
static bool	is_caller_ifunc_resolver (cgraph_node *node)
static bool	address_matters_1 (symtab_node *n, void *)
static bool	increase_alignment_1 (symtab_node *n, void *v)
static bool	get_alignment_1 (symtab_node *n, void *v)

Variables
static const char *	ipa_ref_use_name [] = {"read","write","addr","alias"}
const char *const	ld_plugin_symbol_resolution_names []
static const char *const	symtab_type_names [] = {"symbol", "function", "variable"}
static bitmap	ifunc_ref_map

Macro Definition Documentation

EXTRA

#define EXTRA   16

Function Documentation

address_matters_1()

static bool address_matters_1 ( symtab_node * n, void *  )

static

Return true if address of N is possibly compared.   

References symtab_node::address_can_be_compared_p(), ipa_ref::address_matters_p(), symtab_node::externally_visible, symtab_node::force_output, i, and symtab_node::iterate_referring().

Referenced by symtab_node::address_matters_p().

check_ifunc_resolver()

static bool check_ifunc_resolver ( cgraph_node * node, void * data )

static

Return true and set *DATA to true if NODE is an ifunc resolver.   

References ggc_alloc(), and symtab_node::ifunc_resolver.

Referenced by symtab_node::check_ifunc_callee_symtab_nodes(), and is_caller_ifunc_resolver().

get_alignment_1()

static bool get_alignment_1 ( symtab_node * n, void * v )

static

Helper for symtab_node::definition_alignment.   

References symtab_node::decl, DECL_ALIGN, and MAX.

Referenced by symtab_node::definition_alignment().

increase_alignment_1()

static bool increase_alignment_1 ( symtab_node * n, void * v )

static

Worker for symtab_node::increase_alignment.   

References symtab_node::can_increase_alignment_p(), symtab_node::decl, DECL_ALIGN, DECL_USER_ALIGN, ggc_alloc(), and SET_DECL_ALIGN.

Referenced by symtab_node::increase_alignment().

is_caller_ifunc_resolver()

static bool is_caller_ifunc_resolver ( cgraph_node * node )

static

Return true if any caller of NODE is an ifunc resolver.   

References bitmap_set_bit, cgraph_node::callers, check_ifunc_resolver(), ggc_alloc(), ifunc_ref_map, and is_caller_ifunc_resolver().

Referenced by symtab_node::check_ifunc_callee_symtab_nodes(), and is_caller_ifunc_resolver().

release_section_hash_entry()

static void release_section_hash_entry ( section_hash_entry * entry )

static

Drop the reference count on ENTRY and remove it if the reference
count drops to zero.   

References hash_table< Descriptor, Lazy, Allocator >::clear_slot(), hash_table< Descriptor, Lazy, Allocator >::find_slot_with_hash(), ggc_alloc(), ggc_free(), section_hash_entry::name, section_hash_entry::ref_count, symbol_table::section_hash, and symtab.

Referenced by symtab_node::set_section_for_node(), and symtab_node::set_section_for_node().

retain_section_hash_entry()

static section_hash_entry * retain_section_hash_entry ( section_hash_entry * entry )

static

Bump the reference count on ENTRY so that it is retained.   

References section_hash_entry::ref_count.

Referenced by symtab_node::set_section_for_node(), and symtab_node::set_section_for_node().

ultimate_transparent_alias_target()

static tree ultimate_transparent_alias_target ( tree alias )

inlinestatic

Follow the IDENTIFIER_TRANSPARENT_ALIAS chain starting at ALIAS
until we find an identifier that is not itself a transparent alias.   

References gcc_checking_assert, IDENTIFIER_TRANSPARENT_ALIAS, and TREE_CHAIN.

Referenced by symbol_table::change_decl_assembler_name(), and symtab_node::verify_base().

Variable Documentation

ifunc_ref_map

bitmap ifunc_ref_map

static

Referenced by symtab_node::check_ifunc_callee_symtab_nodes(), and is_caller_ifunc_resolver().

ipa_ref_use_name

const char* ipa_ref_use_name[] = {"read","write","addr","alias"}

static

Symbol table.
   Copyright (C) 2012-2024 Free Software Foundation, Inc.
   Contributed by Jan Hubicka

This file is part of GCC.

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

Referenced by symtab_node::dump_references(), and symtab_node::dump_referring().

ld_plugin_symbol_resolution_names

const char* const ld_plugin_symbol_resolution_names[]

Initial value:

=
{
  "",
  "undef",
  "prevailing_def",
  "prevailing_def_ironly",
  "preempted_reg",
  "preempted_ir",
  "resolved_ir",
  "resolved_exec",
  "resolved_dyn",
  "prevailing_def_ironly_exp"
}

Referenced by symtab_node::dump_base().

symtab_type_names

const char* const symtab_type_names[] = {"symbol", "function", "variable"}

static

Referenced by symtab_node::dump_base(), and symtab_node::get_symtab_type_string().