From 354eb39676dee2b68bed1651c8c0c65dfcf506c3 Mon Sep 17 00:00:00 2001 From: Christian Hergert Date: Wed, 3 May 2023 17:08:50 -0700 Subject: [PATCH] libsysprof-analyze: add API for bundled symbolizer This, once completed, will use __symbols__ embedded within a capture file to decode symbols rather than querying ELF files directly. --- src/libsysprof-analyze/meson.build | 2 + src/libsysprof-analyze/sysprof-analyze.h | 1 + .../sysprof-bundled-symbolizer.c | 134 ++++++++++++++++++ .../sysprof-bundled-symbolizer.h | 42 ++++++ 4 files changed, 179 insertions(+) create mode 100644 src/libsysprof-analyze/sysprof-bundled-symbolizer.c create mode 100644 src/libsysprof-analyze/sysprof-bundled-symbolizer.h diff --git a/src/libsysprof-analyze/meson.build b/src/libsysprof-analyze/meson.build index f437ec65..ab663812 100644 --- a/src/libsysprof-analyze/meson.build +++ b/src/libsysprof-analyze/meson.build @@ -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', diff --git a/src/libsysprof-analyze/sysprof-analyze.h b/src/libsysprof-analyze/sysprof-analyze.h index 9520b530..16db5cee 100644 --- a/src/libsysprof-analyze/sysprof-analyze.h +++ b/src/libsysprof-analyze/sysprof-analyze.h @@ -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" diff --git a/src/libsysprof-analyze/sysprof-bundled-symbolizer.c b/src/libsysprof-analyze/sysprof-bundled-symbolizer.c new file mode 100644 index 00000000..f0d4dbc0 --- /dev/null +++ b/src/libsysprof-analyze/sysprof-bundled-symbolizer.c @@ -0,0 +1,134 @@ +/* sysprof-bundled-symbolizer.c + * + * Copyright 2023 Christian Hergert + * + * 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 . + * + * 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); +} diff --git a/src/libsysprof-analyze/sysprof-bundled-symbolizer.h b/src/libsysprof-analyze/sysprof-bundled-symbolizer.h new file mode 100644 index 00000000..307d9594 --- /dev/null +++ b/src/libsysprof-analyze/sysprof-bundled-symbolizer.h @@ -0,0 +1,42 @@ +/* sysprof-bundled-symbolizer.h + * + * Copyright 2023 Christian Hergert + * + * 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 . + * + * 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