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6dd2819ffc
The CTF variables section (containing variables that have no corresponding symtab entries) can cause the string table to get very voluminous if the names of variables are long. Some callers want to filter out particular variables they know they won't need. So add a "variable filter" callback that does that: it's passed the name of the variable and a corresponding ctf_file_t / ctf_id_t pair, and should return 1 to filter it out. ld doesn't use this machinery yet, but we could easily add it later if desired. (But see later for a commit that turns off CTF variable- section linking in ld entirely by default.) include/ * ctf-api.h (ctf_link_variable_filter_t): New. (ctf_link_set_variable_filter): Likewise. libctf/ * libctf.ver (ctf_link_set_variable_filter): Add. * ctf-impl.h (ctf_file_t) <ctf_link_variable_filter>: New. <ctf_link_variable_filter_arg>: Likewise. * ctf-create.c (ctf_serialize): Adjust. * ctf-link.c (ctf_link_set_variable_filter): New, set it. (ctf_link_one_variable): Call it if set.
177 lines
3.1 KiB
Plaintext
177 lines
3.1 KiB
Plaintext
/* Copyright (C) 2019-2020 Free Software Foundation, Inc.
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This file is part of libctf.
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libctf is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the 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; see the file COPYING. If not see
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<http://www.gnu.org/licenses/>. */
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LIBCTF_1.0 {
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global:
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/* In libctf and libctf-nobfd. */
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ctf_bufopen;
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ctf_simple_open;
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ctf_create;
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ctf_close;
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ctf_ref;
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ctf_file_close;
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ctf_cuname;
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ctf_cuname_set;
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ctf_parent_file;
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ctf_parent_name;
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ctf_parent_name_set;
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ctf_type_isparent;
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ctf_type_ischild;
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ctf_import;
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ctf_setmodel;
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ctf_getmodel;
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ctf_setspecific;
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ctf_getspecific;
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ctf_errno;
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ctf_errmsg;
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ctf_version;
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ctf_func_info;
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ctf_func_args;
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ctf_func_type_info;
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ctf_func_type_args;
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ctf_lookup_by_name;
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ctf_lookup_by_symbol;
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ctf_lookup_variable;
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ctf_type_resolve;
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ctf_type_lname;
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ctf_type_name;
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ctf_type_name_raw;
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ctf_type_aname;
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ctf_type_aname_raw;
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ctf_type_size;
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ctf_type_align;
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ctf_type_kind;
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ctf_type_kind_forwarded;
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ctf_type_reference;
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ctf_type_pointer;
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ctf_type_encoding;
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ctf_type_visit;
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ctf_type_cmp;
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ctf_type_compat;
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ctf_member_info;
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ctf_member_next;
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ctf_array_info;
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ctf_member_count;
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ctf_enum_name;
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ctf_enum_value;
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ctf_label_set;
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ctf_label_get;
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ctf_label_topmost;
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ctf_label_info;
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ctf_member_iter;
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ctf_enum_iter;
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ctf_enum_next;
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ctf_type_iter;
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ctf_type_next;
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ctf_type_iter_all;
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ctf_label_iter;
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ctf_variable_iter;
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ctf_variable_next;
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ctf_next_create;
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ctf_next_destroy;
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ctf_next_copy;
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ctf_add_array;
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ctf_add_const;
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ctf_add_enum;
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ctf_add_enum_encoded;
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ctf_add_float;
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ctf_add_forward;
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ctf_add_function;
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ctf_add_integer;
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ctf_add_pointer;
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ctf_add_type;
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ctf_add_typedef;
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ctf_add_restrict;
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ctf_add_slice;
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ctf_add_struct;
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ctf_add_union;
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ctf_add_struct_sized;
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ctf_add_union_sized;
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ctf_add_volatile;
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ctf_add_enumerator;
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ctf_add_member;
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ctf_add_member_offset;
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ctf_add_member_encoded;
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ctf_add_variable;
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ctf_set_array;
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ctf_update;
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ctf_discard;
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ctf_snapshot;
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ctf_rollback;
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ctf_write;
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ctf_write_mem;
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ctf_gzwrite;
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ctf_compress_write;
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ctf_getdatasect;
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ctf_arc_write;
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ctf_arc_write_fd;
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ctf_arc_open;
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ctf_arc_bufopen;
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ctf_arc_close;
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ctf_arc_open_by_name;
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ctf_arc_open_by_name_sections;
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ctf_archive_count;
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ctf_archive_iter;
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ctf_archive_next;
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ctf_archive_raw_iter;
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ctf_get_arc;
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ctf_dump;
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ctf_setdebug;
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ctf_getdebug;
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ctf_errwarning_next;
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ctf_link_add_ctf;
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ctf_link_add_cu_mapping;
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ctf_link_set_memb_name_changer;
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ctf_link_set_variable_filter;
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ctf_link;
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ctf_link_add_strtab;
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ctf_link_shuffle_syms;
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ctf_link_write;
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/* In libctf alone. */
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ctf_fdopen;
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ctf_open;
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ctf_bfdopen;
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ctf_bfdopen_ctfsect;
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local:
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*;
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};
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