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https://github.com/varun-r-mallya/sysprof.git
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525b30a42f
The kallsym symbol resolver will need this to short-circuit unless we're within a kernel address context.
78 lines
2.2 KiB
C
78 lines
2.2 KiB
C
/* sysprof-no-symbolizer.c
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*
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* Copyright 2023 Christian Hergert <chergert@redhat.com>
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*
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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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*
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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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*
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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, see <http://www.gnu.org/licenses/>.
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*
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#include "config.h"
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#include "sysprof-no-symbolizer.h"
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#include "sysprof-symbolizer-private.h"
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struct _SysprofNoSymbolizer
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{
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SysprofSymbolizer parent_instance;
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};
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struct _SysprofNoSymbolizerClass
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{
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SysprofSymbolizerClass parent_class;
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};
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G_DEFINE_FINAL_TYPE (SysprofNoSymbolizer, sysprof_no_symbolizer, SYSPROF_TYPE_SYMBOLIZER)
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static SysprofSymbol *
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sysprof_no_symbolizer_symbolize (SysprofSymbolizer *symbolizer,
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SysprofStrings *strings,
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const SysprofProcessInfo *process_info,
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SysprofAddressContext context,
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SysprofAddress address)
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{
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return NULL;
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}
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static void
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sysprof_no_symbolizer_class_init (SysprofNoSymbolizerClass *klass)
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{
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SysprofSymbolizerClass *symbolizer_class = SYSPROF_SYMBOLIZER_CLASS (klass);
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symbolizer_class->symbolize = sysprof_no_symbolizer_symbolize;
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}
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static void
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sysprof_no_symbolizer_init (SysprofNoSymbolizer *self)
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{
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}
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/**
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* sysprof_no_symbolizer_get:
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*
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* Gets a #SysprofSymbolizer that will never symbolize.
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*
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* Returns: (transfer none): a #SysprofSymbolizer
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*/
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SysprofSymbolizer *
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sysprof_no_symbolizer_get (void)
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{
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static SysprofSymbolizer *instance;
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if (g_once_init_enter (&instance))
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g_once_init_leave (&instance, g_object_new (SYSPROF_TYPE_NO_SYMBOLIZER, NULL));
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return instance;
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}
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