diff --git a/src/libsysprof-analyze/meson.build b/src/libsysprof-analyze/meson.build index 4edb988a..f19e88fe 100644 --- a/src/libsysprof-analyze/meson.build +++ b/src/libsysprof-analyze/meson.build @@ -16,6 +16,7 @@ libsysprof_analyze_public_sources = [ 'sysprof-document-sample.c', 'sysprof-document-symbols.c', 'sysprof-document-traceable.c', + 'sysprof-kallsyms-symbolizer.c', 'sysprof-multi-symbolizer.c', 'sysprof-symbol.c', 'sysprof-symbolizer.c', @@ -52,6 +53,7 @@ libsysprof_analyze_public_headers = [ 'sysprof-document-symbols.h', 'sysprof-document-traceable.h', 'sysprof-mount.h', + 'sysprof-kallsyms-symbolizer.h', 'sysprof-multi-symbolizer.h', 'sysprof-symbol.h', 'sysprof-symbolizer.h', diff --git a/src/libsysprof-analyze/sysprof-analyze.h b/src/libsysprof-analyze/sysprof-analyze.h index a72e193a..f81102e4 100644 --- a/src/libsysprof-analyze/sysprof-analyze.h +++ b/src/libsysprof-analyze/sysprof-analyze.h @@ -43,6 +43,7 @@ G_BEGIN_DECLS # include "sysprof-document-symbols.h" # include "sysprof-document-traceable.h" # include "sysprof-mount.h" +# include "sysprof-kallsyms-symbolizer.h" # include "sysprof-multi-symbolizer.h" # include "sysprof-symbol.h" # include "sysprof-symbolizer.h" diff --git a/src/libsysprof-analyze/sysprof-kallsyms-symbolizer.c b/src/libsysprof-analyze/sysprof-kallsyms-symbolizer.c new file mode 100644 index 00000000..e2d6dd4f --- /dev/null +++ b/src/libsysprof-analyze/sysprof-kallsyms-symbolizer.c @@ -0,0 +1,155 @@ +/* sysprof-kallsyms-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-kallsyms-symbolizer.h" +#include "sysprof-document-private.h" +#include "sysprof-symbolizer-private.h" +#include "sysprof-symbol-private.h" + +struct _SysprofKallsymsSymbolizer +{ + SysprofSymbolizer parent_instance; +}; + +struct _SysprofKallsymsSymbolizerClass +{ + SysprofSymbolizerClass parent_class; +}; + +G_DEFINE_FINAL_TYPE (SysprofKallsymsSymbolizer, sysprof_kallsyms_symbolizer, SYSPROF_TYPE_SYMBOLIZER) + +static void +sysprof_kallsyms_symbolizer_prepare_worker (GTask *task, + gpointer source_object, + gpointer task_data, + GCancellable *cancellable) +{ + SysprofKallsymsSymbolizer *self = source_object; + GDataInputStream *input = task_data; + g_autoptr(GError) error = NULL; + char *line; + gsize len; + + g_assert (G_IS_TASK (task)); + g_assert (SYSPROF_IS_KALLSYMS_SYMBOLIZER (self)); + g_assert (G_IS_DATA_INPUT_STREAM (input)); + + while ((line = g_data_input_stream_read_line_utf8 (input, &len, cancellable, &error))) + { + /* TODO: port kallsym parser from sysprof-kallsyms.c */ + + g_free (line); + } + + g_task_return_boolean (task, TRUE); +} + +static void +sysprof_kallsyms_symbolizer_prepare_async (SysprofSymbolizer *symbolizer, + SysprofDocument *document, + GCancellable *cancellable, + GAsyncReadyCallback callback, + gpointer user_data) +{ + SysprofKallsymsSymbolizer *self = (SysprofKallsymsSymbolizer *)symbolizer; + g_autoptr(SysprofDocumentFile) file = NULL; + g_autoptr(GZlibDecompressor) decompressor = NULL; + g_autoptr(GInputStream) input_gz = NULL; + g_autoptr(GInputStream) input = NULL; + g_autoptr(GTask) task = NULL; + + g_assert (SYSPROF_IS_KALLSYMS_SYMBOLIZER (self)); + g_assert (SYSPROF_IS_DOCUMENT (document)); + g_assert (!cancellable || G_IS_CANCELLABLE (cancellable)); + + task = g_task_new (self, cancellable, callback, user_data); + g_task_set_source_tag (task, sysprof_kallsyms_symbolizer_prepare_async); + + if (!(file = sysprof_document_lookup_file (document, "/proc/kallsyms.gz"))) + { + g_task_return_new_error (task, + G_IO_ERROR, + G_IO_ERROR_NOT_SUPPORTED, + "No kallsyms found to decode"); + return; + } + + decompressor = g_zlib_decompressor_new (G_ZLIB_COMPRESSOR_FORMAT_GZIP); + input_gz = sysprof_document_file_read (file); + input = g_converter_input_stream_new (input_gz, G_CONVERTER (decompressor)); + + g_task_set_task_data (task, + g_data_input_stream_new (input), + g_object_unref); + g_task_run_in_thread (task, sysprof_kallsyms_symbolizer_prepare_worker); +} + +static gboolean +sysprof_kallsyms_symbolizer_prepare_finish (SysprofSymbolizer *symbolizer, + GAsyncResult *result, + GError **error) +{ + g_assert (SYSPROF_IS_KALLSYMS_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 SysprofSymbol * +sysprof_kallsyms_symbolizer_symbolize (SysprofSymbolizer *symbolizer, + SysprofStrings *strings, + const SysprofProcessInfo *process_info, + SysprofAddress address) +{ + return NULL; +} + +static void +sysprof_kallsyms_symbolizer_finalize (GObject *object) +{ + G_OBJECT_CLASS (sysprof_kallsyms_symbolizer_parent_class)->finalize (object); +} + +static void +sysprof_kallsyms_symbolizer_class_init (SysprofKallsymsSymbolizerClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + SysprofSymbolizerClass *symbolizer_class = SYSPROF_SYMBOLIZER_CLASS (klass); + + object_class->finalize = sysprof_kallsyms_symbolizer_finalize; + + symbolizer_class->prepare_async = sysprof_kallsyms_symbolizer_prepare_async; + symbolizer_class->prepare_finish = sysprof_kallsyms_symbolizer_prepare_finish; + symbolizer_class->symbolize = sysprof_kallsyms_symbolizer_symbolize; +} + +static void +sysprof_kallsyms_symbolizer_init (SysprofKallsymsSymbolizer *self) +{ +} + +SysprofSymbolizer * +sysprof_kallsyms_symbolizer_new (void) +{ + return g_object_new (SYSPROF_TYPE_KALLSYMS_SYMBOLIZER, NULL); +} diff --git a/src/libsysprof-analyze/sysprof-kallsyms-symbolizer.h b/src/libsysprof-analyze/sysprof-kallsyms-symbolizer.h new file mode 100644 index 00000000..9a766326 --- /dev/null +++ b/src/libsysprof-analyze/sysprof-kallsyms-symbolizer.h @@ -0,0 +1,42 @@ +/* sysprof-kallsyms-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_KALLSYMS_SYMBOLIZER (sysprof_kallsyms_symbolizer_get_type()) +#define SYSPROF_IS_KALLSYMS_SYMBOLIZER(obj) G_TYPE_CHECK_INSTANCE_TYPE(obj, SYSPROF_TYPE_KALLSYMS_SYMBOLIZER) +#define SYSPROF_KALLSYMS_SYMBOLIZER(obj) G_TYPE_CHECK_INSTANCE_CAST(obj, SYSPROF_TYPE_KALLSYMS_SYMBOLIZER, SysprofKallsymsSymbolizer) +#define SYSPROF_KALLSYMS_SYMBOLIZER_CLASS(klass) G_TYPE_CHECK_CLASS_CAST(klass, SYSPROF_TYPE_KALLSYMS_SYMBOLIZER, SysprofKallsymsSymbolizerClass) + +typedef struct _SysprofKallsymsSymbolizer SysprofKallsymsSymbolizer; +typedef struct _SysprofKallsymsSymbolizerClass SysprofKallsymsSymbolizerClass; + +SYSPROF_AVAILABLE_IN_ALL +GType sysprof_kallsyms_symbolizer_get_type (void) G_GNUC_CONST; +SYSPROF_AVAILABLE_IN_ALL +SysprofSymbolizer *sysprof_kallsyms_symbolizer_new (void); + +G_DEFINE_AUTOPTR_CLEANUP_FUNC (SysprofKallsymsSymbolizer, g_object_unref) + +G_END_DECLS