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libsysprof-analyze: add API for bundled symbolizer

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This, once completed, will use __symbols__ embedded within a capture file
to decode symbols rather than querying ELF files directly.
This commit is contained in:
Christian Hergert
2023-05-03 17:08:50 -07:00
parent 95325cc26f
commit 354eb39676
4 changed files with 179 additions and 0 deletions
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2
src/libsysprof-analyze/meson.build
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@ -1,4 +1,5 @@
libsysprof_analyze_public_sources = [
'sysprof-bundled-symbolizer.c',
'sysprof-document.c',
'sysprof-document-allocation.c',
'sysprof-document-exit.c',
@ -20,6 +21,7 @@ libsysprof_analyze_public_sources = [
libsysprof_analyze_public_headers = [
'sysprof-analyze.h',
'sysprof-bundled-symbolizer.h',
'sysprof-document.h',
'sysprof-document-allocation.h',
'sysprof-document-exit.h',

1
src/libsysprof-analyze/sysprof-analyze.h
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@ -25,6 +25,7 @@
G_BEGIN_DECLS
#define SYSPROF_ANALYZE_INSIDE
# include "sysprof-bundled-symbolizer.h"
# include "sysprof-document.h"
# include "sysprof-document-allocation.h"
# include "sysprof-document-exit.h"

134
src/libsysprof-analyze/sysprof-bundled-symbolizer.c Normal file
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@ -0,0 +1,134 @@
/* sysprof-bundled-symbolizer.c
*
* Copyright 2023 Christian Hergert <chergert@redhat.com>
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#include "config.h"
#include "sysprof-bundled-symbolizer.h"
#include "sysprof-document-private.h"
#include "sysprof-symbolizer-private.h"
struct _SysprofBundledSymbolizer
{
SysprofSymbolizer parent_instance;
};
struct _SysprofBundledSymbolizerClass
{
SysprofSymbolizerClass parent_class;
};
G_DEFINE_FINAL_TYPE (SysprofBundledSymbolizer, sysprof_bundled_symbolizer, SYSPROF_TYPE_SYMBOLIZER)
static void
sysprof_bundled_symbolizer_decode (SysprofBundledSymbolizer *self,
GBytes *bytes,
gboolean is_native)
{
g_assert (SYSPROF_IS_BUNDLED_SYMBOLIZER (self));
g_assert (bytes != NULL);
}
static void
sysprof_bundled_symbolizer_prepare_cb (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
SysprofDocument *document = (SysprofDocument *)object;
g_autoptr(GTask) task = user_data;
g_autoptr(GError) error = NULL;
g_autoptr(GBytes) bytes = NULL;
g_assert (SYSPROF_IS_DOCUMENT (document));
g_assert (G_IS_ASYNC_RESULT (result));
g_assert (G_IS_TASK (task));
if ((bytes = sysprof_document_lookup_file_finish (document, result, &error)))
sysprof_bundled_symbolizer_decode (g_task_get_source_object (task),
bytes,
_sysprof_document_is_native (document));
g_task_return_boolean (task, TRUE);
}
static void
sysprof_bundled_symbolizer_prepare_async (SysprofSymbolizer *symbolizer,
SysprofDocument *document,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
g_autoptr(GTask) task = NULL;
g_assert (SYSPROF_IS_BUNDLED_SYMBOLIZER (symbolizer));
g_assert (SYSPROF_IS_DOCUMENT (document));
g_assert (!cancellable || G_IS_CANCELLABLE (cancellable));
task = g_task_new (symbolizer, cancellable, callback, user_data);
g_task_set_source_tag (task, sysprof_bundled_symbolizer_prepare_async);
sysprof_document_lookup_file_async (document,
"__symbols__",
cancellable,
sysprof_bundled_symbolizer_prepare_cb,
g_steal_pointer (&task));
}
static gboolean
sysprof_bundled_symbolizer_prepare_finish (SysprofSymbolizer *symbolizer,
GAsyncResult *result,
GError **error)
{
g_assert (SYSPROF_IS_BUNDLED_SYMBOLIZER (symbolizer));
g_assert (G_IS_TASK (result));
g_assert (g_task_is_valid (result, symbolizer));
return g_task_propagate_boolean (G_TASK (result), error);
}
static void
sysprof_bundled_symbolizer_finalize (GObject *object)
{
G_OBJECT_CLASS (sysprof_bundled_symbolizer_parent_class)->finalize (object);
}
static void
sysprof_bundled_symbolizer_class_init (SysprofBundledSymbolizerClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
SysprofSymbolizerClass *symbolizer_class = SYSPROF_SYMBOLIZER_CLASS (klass);
object_class->finalize = sysprof_bundled_symbolizer_finalize;
symbolizer_class->prepare_async = sysprof_bundled_symbolizer_prepare_async;
symbolizer_class->prepare_finish = sysprof_bundled_symbolizer_prepare_finish;
}
static void
sysprof_bundled_symbolizer_init (SysprofBundledSymbolizer *self)
{
}
SysprofSymbolizer *
sysprof_bundled_symbolizer_new (void)
{
return g_object_new (SYSPROF_TYPE_BUNDLED_SYMBOLIZER, NULL);
}

42
src/libsysprof-analyze/sysprof-bundled-symbolizer.h Normal file
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@ -0,0 +1,42 @@
/* sysprof-bundled-symbolizer.h
*
* Copyright 2023 Christian Hergert <chergert@redhat.com>
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#pragma once
#include "sysprof-symbolizer.h"
G_BEGIN_DECLS
#define SYSPROF_TYPE_BUNDLED_SYMBOLIZER (sysprof_bundled_symbolizer_get_type())
#define SYSPROF_IS_BUNDLED_SYMBOLIZER(obj) G_TYPE_CHECK_INSTANCE_TYPE(obj, SYSPROF_TYPE_BUNDLED_SYMBOLIZER)
#define SYSPROF_BUNDLED_SYMBOLIZER(obj) G_TYPE_CHECK_INSTANCE_CAST(obj, SYSPROF_TYPE_BUNDLED_SYMBOLIZER, SysprofBundledSymbolizer)
#define SYSPROF_BUNDLED_SYMBOLIZER_CLASS(klass) G_TYPE_CHECK_CLASS_CAST(klass, SYSPROF_TYPE_BUNDLED_SYMBOLIZER, SysprofBundledSymbolizerClass)
typedef struct _SysprofBundledSymbolizer SysprofBundledSymbolizer;
typedef struct _SysprofBundledSymbolizerClass SysprofBundledSymbolizerClass;
SYSPROF_AVAILABLE_IN_ALL
GType sysprof_bundled_symbolizer_get_type (void) G_GNUC_CONST;
SYSPROF_AVAILABLE_IN_ALL
SysprofSymbolizer *sysprof_bundled_symbolizer_new (void);
G_DEFINE_AUTOPTR_CLEANUP_FUNC (SysprofBundledSymbolizer, g_object_unref)
G_END_DECLS