2008-09-20 00:54:57 +02:00
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/* plugin-api.h -- External linker plugin API. */
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2011-01-03 22:05:58 +01:00
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/* Copyright 2009, 2010 Free Software Foundation, Inc.
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2008-09-20 00:54:57 +02:00
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Written by Cary Coutant <ccoutant@google.com>.
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This file is part of binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/* This file defines the interface for writing a linker plugin, which is
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described at < http://gcc.gnu.org/wiki/whopr/driver >. */
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#ifndef PLUGIN_API_H
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#define PLUGIN_API_H
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2009-10-19 20:14:24 +02:00
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#ifdef HAVE_STDINT_H
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2008-09-20 00:54:57 +02:00
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#include <stdint.h>
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2009-10-19 20:14:24 +02:00
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#elif defined(HAVE_INTTYPES_H)
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#include <inttypes.h>
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#endif
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2008-09-20 00:54:57 +02:00
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#include <sys/types.h>
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2009-10-19 20:14:24 +02:00
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#if !defined(HAVE_STDINT_H) && !defined(HAVE_INTTYPES_H) && \
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!defined(UINT64_MAX) && !defined(uint64_t)
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#error can not find uint64_t type
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#endif
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2008-09-20 00:54:57 +02:00
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/* Status code returned by most API routines. */
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enum ld_plugin_status
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{
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LDPS_OK = 0,
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2008-09-22 18:37:41 +02:00
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LDPS_NO_SYMS, /* Attempt to get symbols that haven't been added. */
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2009-01-15 02:28:14 +01:00
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LDPS_BAD_HANDLE, /* No claimed object associated with given handle. */
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2008-09-22 18:37:41 +02:00
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LDPS_ERR
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2008-09-20 00:54:57 +02:00
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/* Additional Error codes TBD. */
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};
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/* The version of the API specification. */
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enum ld_plugin_api_version
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{
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2008-09-22 18:37:41 +02:00
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LD_PLUGIN_API_VERSION = 1
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2008-09-20 00:54:57 +02:00
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};
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/* The type of output file being generated by the linker. */
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enum ld_plugin_output_file_type
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{
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LDPO_REL,
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LDPO_EXEC,
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2012-06-13 00:50:44 +02:00
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LDPO_DYN,
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LDPO_PIE
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2008-09-20 00:54:57 +02:00
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};
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/* An input file managed by the plugin library. */
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struct ld_plugin_input_file
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{
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const char *name;
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int fd;
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off_t offset;
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off_t filesize;
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void *handle;
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};
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/* A symbol belonging to an input file managed by the plugin library. */
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struct ld_plugin_symbol
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{
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char *name;
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char *version;
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int def;
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int visibility;
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uint64_t size;
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char *comdat_key;
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int resolution;
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};
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2011-07-14 02:55:18 +02:00
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/* An object's section. */
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struct ld_plugin_section
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{
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const void* handle;
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unsigned int shndx;
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};
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2008-09-20 00:54:57 +02:00
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/* Whether the symbol is a definition, reference, or common, weak or not. */
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enum ld_plugin_symbol_kind
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{
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LDPK_DEF,
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LDPK_WEAKDEF,
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LDPK_UNDEF,
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LDPK_WEAKUNDEF,
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2008-09-22 18:37:41 +02:00
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LDPK_COMMON
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2008-09-20 00:54:57 +02:00
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};
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/* The visibility of the symbol. */
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enum ld_plugin_symbol_visibility
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{
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LDPV_DEFAULT,
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LDPV_PROTECTED,
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LDPV_INTERNAL,
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2008-09-22 18:37:41 +02:00
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LDPV_HIDDEN
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2008-09-20 00:54:57 +02:00
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};
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/* How a symbol is resolved. */
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enum ld_plugin_symbol_resolution
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{
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LDPR_UNKNOWN = 0,
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2009-10-06 22:14:06 +02:00
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/* Symbol is still undefined at this point. */
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2008-09-20 00:54:57 +02:00
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LDPR_UNDEF,
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2009-10-06 22:14:06 +02:00
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/* This is the prevailing definition of the symbol, with references from
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regular object code. */
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2008-09-20 00:54:57 +02:00
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LDPR_PREVAILING_DEF,
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2009-10-06 22:14:06 +02:00
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/* This is the prevailing definition of the symbol, with no
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references from regular objects. It is only referenced from IR
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code. */
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2008-09-20 00:54:57 +02:00
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LDPR_PREVAILING_DEF_IRONLY,
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2009-10-06 22:14:06 +02:00
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/* This definition was pre-empted by a definition in a regular
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object file. */
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2008-09-20 00:54:57 +02:00
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LDPR_PREEMPTED_REG,
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2009-10-06 22:14:06 +02:00
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/* This definition was pre-empted by a definition in another IR file. */
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2008-09-20 00:54:57 +02:00
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LDPR_PREEMPTED_IR,
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2009-10-06 22:14:06 +02:00
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/* This symbol was resolved by a definition in another IR file. */
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2008-09-20 00:54:57 +02:00
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LDPR_RESOLVED_IR,
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2009-10-06 22:14:06 +02:00
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/* This symbol was resolved by a definition in a regular object
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linked into the main executable. */
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2008-09-20 00:54:57 +02:00
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LDPR_RESOLVED_EXEC,
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2009-10-06 22:14:06 +02:00
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/* This symbol was resolved by a definition in a shared object. */
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2011-09-27 02:01:35 +02:00
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LDPR_RESOLVED_DYN,
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/* This is the prevailing definition of the symbol, with no
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references from regular objects. It is only referenced from IR
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code, but the symbol is exported and may be referenced from
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a dynamic object (not seen at link time). */
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LDPR_PREVAILING_DEF_IRONLY_EXP
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2008-09-20 00:54:57 +02:00
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};
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/* The plugin library's "claim file" handler. */
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typedef
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enum ld_plugin_status
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(*ld_plugin_claim_file_handler) (
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const struct ld_plugin_input_file *file, int *claimed);
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/* The plugin library's "all symbols read" handler. */
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typedef
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enum ld_plugin_status
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(*ld_plugin_all_symbols_read_handler) (void);
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/* The plugin library's cleanup handler. */
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typedef
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enum ld_plugin_status
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(*ld_plugin_cleanup_handler) (void);
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/* The linker's interface for registering the "claim file" handler. */
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typedef
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enum ld_plugin_status
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(*ld_plugin_register_claim_file) (ld_plugin_claim_file_handler handler);
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/* The linker's interface for registering the "all symbols read" handler. */
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typedef
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enum ld_plugin_status
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(*ld_plugin_register_all_symbols_read) (
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ld_plugin_all_symbols_read_handler handler);
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/* The linker's interface for registering the cleanup handler. */
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typedef
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enum ld_plugin_status
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(*ld_plugin_register_cleanup) (ld_plugin_cleanup_handler handler);
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/* The linker's interface for adding symbols from a claimed input file. */
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typedef
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enum ld_plugin_status
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(*ld_plugin_add_symbols) (void *handle, int nsyms,
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const struct ld_plugin_symbol *syms);
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2009-01-15 02:28:14 +01:00
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/* The linker's interface for getting the input file information with
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an open (possibly re-opened) file descriptor. */
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typedef
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enum ld_plugin_status
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(*ld_plugin_get_input_file) (const void *handle,
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struct ld_plugin_input_file *file);
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2011-03-23 15:09:48 +01:00
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typedef
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enum ld_plugin_status
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(*ld_plugin_get_view) (const void *handle, const void **viewp);
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2009-01-15 02:28:14 +01:00
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/* The linker's interface for releasing the input file. */
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typedef
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enum ld_plugin_status
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(*ld_plugin_release_input_file) (const void *handle);
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2008-09-20 00:54:57 +02:00
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/* The linker's interface for retrieving symbol resolution information. */
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typedef
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enum ld_plugin_status
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(*ld_plugin_get_symbols) (const void *handle, int nsyms,
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struct ld_plugin_symbol *syms);
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/* The linker's interface for adding a compiled input file. */
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typedef
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enum ld_plugin_status
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2010-06-18 18:53:23 +02:00
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(*ld_plugin_add_input_file) (const char *pathname);
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2008-09-20 00:54:57 +02:00
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2009-10-06 22:14:06 +02:00
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/* The linker's interface for adding a library that should be searched. */
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typedef
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enum ld_plugin_status
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2010-06-18 18:53:23 +02:00
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(*ld_plugin_add_input_library) (const char *libname);
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2009-10-06 22:14:06 +02:00
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2010-06-21 23:21:25 +02:00
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/* The linker's interface for adding a library path that should be searched. */
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typedef
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enum ld_plugin_status
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(*ld_plugin_set_extra_library_path) (const char *path);
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2008-09-20 00:54:57 +02:00
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/* The linker's interface for issuing a warning or error message. */
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typedef
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enum ld_plugin_status
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2008-12-01 20:50:49 +01:00
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(*ld_plugin_message) (int level, const char *format, ...);
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2008-09-20 00:54:57 +02:00
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2011-07-14 02:55:18 +02:00
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/* The linker's interface for retrieving the number of sections in an object.
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The handle is obtained in the claim_file handler. This interface should
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only be invoked in the claim_file handler. This function sets *COUNT to
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the number of sections in the object. */
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typedef
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enum ld_plugin_status
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(*ld_plugin_get_input_section_count) (const void* handle, unsigned int *count);
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/* The linker's interface for retrieving the section type of a specific
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section in an object. This interface should only be invoked in the
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claim_file handler. This function sets *TYPE to an ELF SHT_xxx value. */
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typedef
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enum ld_plugin_status
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(*ld_plugin_get_input_section_type) (const struct ld_plugin_section section,
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unsigned int *type);
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/* The linker's interface for retrieving the name of a specific section in
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an object. This interface should only be invoked in the claim_file handler.
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This function sets *SECTION_NAME_PTR to a null-terminated buffer allocated
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by malloc. The plugin must free *SECTION_NAME_PTR. */
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typedef
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enum ld_plugin_status
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(*ld_plugin_get_input_section_name) (const struct ld_plugin_section section,
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char **section_name_ptr);
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/* The linker's interface for retrieving the contents of a specific section
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in an object. This interface should only be invoked in the claim_file
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handler. This function sets *SECTION_CONTENTS to point to a buffer that is
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valid until clam_file handler returns. It sets *LEN to the size of the
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buffer. */
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typedef
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enum ld_plugin_status
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(*ld_plugin_get_input_section_contents) (const struct ld_plugin_section section,
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const unsigned char **section_contents,
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size_t* len);
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/* The linker's interface for specifying the desired order of sections.
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The sections should be specifed using the array SECTION_LIST in the
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order in which they should appear in the final layout. NUM_SECTIONS
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specifies the number of entries in each array. This should be invoked
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in the all_symbols_read handler. */
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typedef
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enum ld_plugin_status
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(*ld_plugin_update_section_order) (const struct ld_plugin_section *section_list,
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unsigned int num_sections);
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/* The linker's interface for specifying that reordering of sections is
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desired so that the linker can prepare for it. This should be invoked
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before update_section_order, preferably in the claim_file handler. */
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typedef
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enum ld_plugin_status
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(*ld_plugin_allow_section_ordering) (void);
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2008-09-20 00:54:57 +02:00
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enum ld_plugin_level
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{
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LDPL_INFO,
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LDPL_WARNING,
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LDPL_ERROR,
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2008-09-22 18:37:41 +02:00
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LDPL_FATAL
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2008-09-20 00:54:57 +02:00
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};
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/* Values for the tv_tag field of the transfer vector. */
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enum ld_plugin_tag
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{
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LDPT_NULL = 0,
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LDPT_API_VERSION,
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LDPT_GOLD_VERSION,
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LDPT_LINKER_OUTPUT,
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LDPT_OPTION,
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LDPT_REGISTER_CLAIM_FILE_HOOK,
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LDPT_REGISTER_ALL_SYMBOLS_READ_HOOK,
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LDPT_REGISTER_CLEANUP_HOOK,
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LDPT_ADD_SYMBOLS,
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LDPT_GET_SYMBOLS,
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LDPT_ADD_INPUT_FILE,
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2009-01-15 02:28:14 +01:00
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LDPT_MESSAGE,
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LDPT_GET_INPUT_FILE,
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2009-10-06 22:14:06 +02:00
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LDPT_RELEASE_INPUT_FILE,
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2010-06-01 21:32:27 +02:00
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LDPT_ADD_INPUT_LIBRARY,
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2010-06-21 23:21:25 +02:00
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LDPT_OUTPUT_NAME,
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Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
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LDPT_SET_EXTRA_LIBRARY_PATH,
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2011-03-23 15:09:48 +01:00
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LDPT_GNU_LD_VERSION,
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2011-07-14 02:55:18 +02:00
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LDPT_GET_VIEW,
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LDPT_GET_INPUT_SECTION_COUNT,
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LDPT_GET_INPUT_SECTION_TYPE,
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LDPT_GET_INPUT_SECTION_NAME,
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LDPT_GET_INPUT_SECTION_CONTENTS,
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LDPT_UPDATE_SECTION_ORDER,
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2011-09-27 02:01:35 +02:00
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LDPT_ALLOW_SECTION_ORDERING,
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LDPT_GET_SYMBOLS_V2
|
2008-09-20 00:54:57 +02:00
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};
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/* The plugin transfer vector. */
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struct ld_plugin_tv
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{
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enum ld_plugin_tag tv_tag;
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union
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{
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int tv_val;
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const char *tv_string;
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ld_plugin_register_claim_file tv_register_claim_file;
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ld_plugin_register_all_symbols_read tv_register_all_symbols_read;
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ld_plugin_register_cleanup tv_register_cleanup;
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ld_plugin_add_symbols tv_add_symbols;
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ld_plugin_get_symbols tv_get_symbols;
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ld_plugin_add_input_file tv_add_input_file;
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ld_plugin_message tv_message;
|
2009-01-15 02:28:14 +01:00
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ld_plugin_get_input_file tv_get_input_file;
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2011-03-23 15:09:48 +01:00
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ld_plugin_get_view tv_get_view;
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2009-01-15 02:28:14 +01:00
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ld_plugin_release_input_file tv_release_input_file;
|
2009-10-06 22:14:06 +02:00
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ld_plugin_add_input_library tv_add_input_library;
|
2010-06-21 23:21:25 +02:00
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ld_plugin_set_extra_library_path tv_set_extra_library_path;
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2011-07-14 02:55:18 +02:00
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ld_plugin_get_input_section_count tv_get_input_section_count;
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ld_plugin_get_input_section_type tv_get_input_section_type;
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ld_plugin_get_input_section_name tv_get_input_section_name;
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ld_plugin_get_input_section_contents tv_get_input_section_contents;
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ld_plugin_update_section_order tv_update_section_order;
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ld_plugin_allow_section_ordering tv_allow_section_ordering;
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2008-09-20 00:54:57 +02:00
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} tv_u;
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};
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/* The plugin library's "onload" entry point. */
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typedef
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enum ld_plugin_status
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(*ld_plugin_onload) (struct ld_plugin_tv *tv);
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#ifdef __cplusplus
|
2008-12-01 20:05:46 +01:00
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}
|
2008-09-20 00:54:57 +02:00
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#endif
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#endif /* !defined(PLUGIN_API_H) */
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