libsysprof-analyze: add scaffolding for elf symbol resolver

src/libsysprof-analyze/meson.build

@@ -15,6 +15,7 @@ libsysprof_analyze_public_sources = [
   'sysprof-document-process.c',
   'sysprof-document-sample.c',
   'sysprof-document-traceable.c',
+  'sysprof-elf-symbolizer.c',
   'sysprof-kallsyms-symbolizer.c',
   'sysprof-multi-symbolizer.c',
   'sysprof-no-symbolizer.c',
@@ -52,6 +53,7 @@ libsysprof_analyze_public_headers = [
   'sysprof-document-process.h',
   'sysprof-document-sample.h',
   'sysprof-document-traceable.h',
+  'sysprof-elf-symbolizer.h',
   'sysprof-mount.h',
   'sysprof-kallsyms-symbolizer.h',
   'sysprof-multi-symbolizer.h',

src/libsysprof-analyze/sysprof-analyze.h

@@ -41,6 +41,7 @@ G_BEGIN_DECLS
 # include "sysprof-document-process.h"
 # include "sysprof-document-sample.h"
 # include "sysprof-document-traceable.h"
+# include "sysprof-elf-symbolizer.h"
 # include "sysprof-mount.h"
 # include "sysprof-kallsyms-symbolizer.h"
 # include "sysprof-multi-symbolizer.h"

src/libsysprof-analyze/sysprof-elf-symbolizer.c

@@ -0,0 +1,83 @@
+/* sysprof-elf-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-elf-symbolizer.h"
+#include "sysprof-document-private.h"
+#include "sysprof-strings-private.h"
+#include "sysprof-symbolizer-private.h"
+#include "sysprof-symbol-private.h"
+
+struct _SysprofElfSymbolizer
+{
+  SysprofSymbolizer parent_instance;
+};
+
+struct _SysprofElfSymbolizerClass
+{
+  SysprofSymbolizerClass parent_class;
+};
+
+G_DEFINE_FINAL_TYPE (SysprofElfSymbolizer, sysprof_elf_symbolizer, SYSPROF_TYPE_SYMBOLIZER)
+
+static SysprofSymbol *
+sysprof_elf_symbolizer_symbolize (SysprofSymbolizer        *symbolizer,
+                                  SysprofStrings           *strings,
+                                  const SysprofProcessInfo *process_info,
+                                  SysprofAddressContext     context,
+                                  SysprofAddress            address)
+{
+  if (context != SYSPROF_ADDRESS_CONTEXT_NONE &&
+      context != SYSPROF_ADDRESS_CONTEXT_USER)
+    return NULL;
+
+  return NULL;
+}
+
+static void
+sysprof_elf_symbolizer_finalize (GObject *object)
+{
+  SysprofElfSymbolizer *self = (SysprofElfSymbolizer *)object;
+
+  G_OBJECT_CLASS (sysprof_elf_symbolizer_parent_class)->finalize (object);
+}
+
+static void
+sysprof_elf_symbolizer_class_init (SysprofElfSymbolizerClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  SysprofSymbolizerClass *symbolizer_class = SYSPROF_SYMBOLIZER_CLASS (klass);
+
+  object_class->finalize = sysprof_elf_symbolizer_finalize;
+
+  symbolizer_class->symbolize = sysprof_elf_symbolizer_symbolize;
+}
+
+static void
+sysprof_elf_symbolizer_init (SysprofElfSymbolizer *self)
+{
+}
+
+SysprofSymbolizer *
+sysprof_elf_symbolizer_new (void)
+{
+  return g_object_new (SYSPROF_TYPE_ELF_SYMBOLIZER, NULL);
+}

src/libsysprof-analyze/sysprof-elf-symbolizer.h

@@ -0,0 +1,42 @@
+/* sysprof-elf-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_ELF_SYMBOLIZER         (sysprof_elf_symbolizer_get_type())
+#define SYSPROF_IS_ELF_SYMBOLIZER(obj)      G_TYPE_CHECK_INSTANCE_TYPE(obj, SYSPROF_TYPE_ELF_SYMBOLIZER)
+#define SYSPROF_ELF_SYMBOLIZER(obj)         G_TYPE_CHECK_INSTANCE_CAST(obj, SYSPROF_TYPE_ELF_SYMBOLIZER, SysprofElfSymbolizer)
+#define SYSPROF_ELF_SYMBOLIZER_CLASS(klass) G_TYPE_CHECK_CLASS_CAST(klass, SYSPROF_TYPE_ELF_SYMBOLIZER, SysprofElfSymbolizerClass)
+
+typedef struct _SysprofElfSymbolizer      SysprofElfSymbolizer;
+typedef struct _SysprofElfSymbolizerClass SysprofElfSymbolizerClass;
+
+SYSPROF_AVAILABLE_IN_ALL
+GType              sysprof_elf_symbolizer_get_type (void) G_GNUC_CONST;
+SYSPROF_AVAILABLE_IN_ALL
+SysprofSymbolizer *sysprof_elf_symbolizer_new      (void);
+
+G_DEFINE_AUTOPTR_CLEANUP_FUNC (SysprofElfSymbolizer, g_object_unref)
+
+G_END_DECLS

src/libsysprof-analyze/tests/test-symbolize.c

@@ -132,7 +132,7 @@ main (int argc,
     {
       g_autoptr(SysprofMultiSymbolizer) multi = sysprof_multi_symbolizer_new ();
 
-      //sysprof_multi_symbolizer_take (multi, sysprof_bundled_symbolizer_new ());
+      sysprof_multi_symbolizer_take (multi, sysprof_elf_symbolizer_new ());
       sysprof_multi_symbolizer_take (multi, sysprof_kallsyms_symbolizer_new ());
 
       sysprof_document_loader_set_symbolizer (loader, SYSPROF_SYMBOLIZER (multi));