mirror of
https://github.com/openharmony/third_party_elfutils.git
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lizhenlin
88 lines
2.4 KiB
C
88 lines
2.4 KiB
C
/* Internal definitions for libdwfl_stacktrace.
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Copyright (C) 2025 Red Hat, Inc.
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This file is part of elfutils.
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This file is free software; you can redistribute it and/or modify
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it under the terms of either
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* the GNU Lesser General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at
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your option) any later version
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or
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* the GNU General Public License as published by the Free
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Software Foundation; either version 2 of the License, or (at
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your option) any later version
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or both in parallel, as here.
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elfutils 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. See the GNU
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General Public License for more details.
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You should have received copies of the GNU General Public License and
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the GNU Lesser General Public License along with this program. If
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not, see <http://www.gnu.org/licenses/>. */
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#ifndef _LIBDWFL_STACKTRACEP_H
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#define _LIBDWFL_STACKTRACEP_H 1
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#include <libdwfl_stacktrace.h>
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#include "libdwflP.h"
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/* Hash table for Elf *. */
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typedef struct
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{
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char *module_name; /* dwfltracker_elftab_ent is used iff non-NULL. */
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int fd;
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Elf *elf;
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dev_t dev;
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ino_t ino;
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time_t last_mtime;
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} dwflst_tracker_elf_info;
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#include "dwflst_tracker_elftab.h"
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/* Hash table for Dwfl *. */
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typedef struct
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{
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Dwfl *dwfl;
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bool invalid; /* Mark when the dwfl has been removed. */
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} dwflst_tracker_dwfl_info;
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#include "dwflst_tracker_dwfltab.h"
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struct Dwflst_Process_Tracker
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{
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const Dwfl_Callbacks *callbacks;
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/* Table of cached Elf * including fd, path, fstat info. */
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dwflst_tracker_elftab elftab;
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rwlock_define(, elftab_lock);
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/* Table of cached Dwfl * including pid. */
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dwflst_tracker_dwfltab dwfltab;
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rwlock_define(, dwfltab_lock);
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};
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/* Called when dwfl->process->pid becomes known to add the dwfl to its
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Dwflst_Process_Tracker's dwfltab: */
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extern void __libdwfl_stacktrace_add_dwfl_to_tracker (Dwfl *dwfl)
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internal_function;
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/* Called from dwfl_end() to remove the dwfl from its
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Dwfl_Process_Tracker's dwfltab: */
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extern void __libdwfl_stacktrace_remove_dwfl_from_tracker (Dwfl *dwfl)
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internal_function;
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/* Avoid PLT entries. */
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INTDECL (dwflst_module_gettracker)
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INTDECL (dwflst_tracker_find_cached_elf)
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INTDECL (dwflst_tracker_cache_elf)
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#endif /* libdwfl_stacktraceP.h */
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