move source around in preparation to land sysprof2

lib/testelf.c

@@ -0,0 +1,100 @@
+#include <glib.h>
+#include "elfparser.h"
+#include <string.h>
+
+const char *n;
+
+static void
+check (ElfParser *elf, gulong addr)
+{
+    const ElfSym *sym = elf_parser_lookup_symbol (elf, addr);
+
+    if (!sym)
+    {
+	g_print ("not found\n");
+	return;
+    }
+    
+    n = elf_parser_get_sym_name (elf, sym);
+    
+    g_print ("%p  =>    ", (void *)addr);
+
+    if (sym)
+    {
+	g_print ("found: %s (%p)\n",
+		 elf_parser_get_sym_name (elf, sym),
+		 (void *)elf_parser_get_sym_address (elf, sym));
+    }
+    else
+    {
+ 	g_print ("not found\n");
+    }
+}
+
+int
+main (int argc, char **argv)
+{
+    ElfParser *elf;
+    ElfParser *debug = NULL;
+    const char *build_id;
+    const char *filename;
+    const char *dir;
+
+    if (argc == 1)
+	filename = "/usr/lib/libgtk-x11-2.0.so";
+    else
+	filename = argv[1];
+
+    elf = elf_parser_new (filename, NULL);
+
+    if (!elf)
+    {
+	g_print ("NO ELF!!!!\n");
+	return -1;
+    }
+
+    dir = g_path_get_dirname (filename);
+
+    build_id = elf_parser_get_build_id (elf);
+    
+    guint crc = elf_parser_get_crc32 (elf);
+
+    g_print ("build ID: %s crc: %x\n", build_id, crc);
+    filename = elf_parser_get_debug_link(elf, &crc);
+    if (filename)
+    {
+	filename = g_build_filename ("/usr", "lib", "debug", dir, filename, NULL);
+	g_print ("Debug link: %s crc: %x\n", filename, crc);
+	debug = elf_parser_new (filename, NULL);
+
+	if (debug)
+	{
+	    const char *build = elf_parser_get_build_id (debug);
+	    guint crc_debug = elf_parser_get_crc32 (debug);
+	    g_print ("Debug link build ID: %s crc: %x\n", build, crc_debug);
+	    if (strcmp(build, build_id) != 0 || crc_debug != crc)
+		g_print ("Build ID or crc not matching!\n");
+	}
+	else
+	{
+	    g_print ("Separate debug symbol file not found\n");
+	}
+
+    }
+    else
+    {
+	g_print ("No debug link\n");
+    }
+    
+#if 0
+    for (i = 0; i < 5000000; ++i)
+#endif
+    {
+	elf_parser_get_crc32 (elf);
+	check (elf, 0x077c80f0 - (0x07787000 - 0)); /* gtk_about_dialog_set_artists  (add - (map - offset)) */
+	
+	check (elf, 0x077c80f0 - (0x07787000 - 0)); /* same (but in the middle of the function */
+    }
+    return 0;
+}
+