Initial Contribution

tools/lsd/main.c

@@ -0,0 +1,67 @@
+/* TODO:
+   1. check the ARM EABI version--this works for versions 1 and 2.
+   2. use a more-intelligent approach to finding the symbol table, symbol-string
+      table, and the .dynamic section.
+   3. fix the determination of the host and ELF-file endianness
+   4. write the help screen
+*/
+
+#include <stdio.h>
+#include <common.h>
+#include <debug.h>
+#include <libelf.h>
+#include <elf.h>
+#include <gelf.h>
+#include <cmdline.h>
+#include <string.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <lsd.h>
+
+/* Flag set by --verbose.  This variable is global as it is accessed by the
+   macro INFO() in multiple compilation unites. */
+int verbose_flag = 0;
+/* Flag set by --quiet.  This variable is global as it is accessed by the
+   macro PRINT() in multiple compilation unites. */
+int quiet_flag = 0;
+
+int main(int argc, char **argv)
+{
+    char **lookup_dirs = NULL;
+    int num_lookup_dirs;
+	int print_info;
+	int list_needed_libs;
+
+    /* Do not issue INFO() statements before you call get_options() to set 
+       the verbose flag as necessary.
+    */
+
+    int first = get_options(argc, argv,
+							&list_needed_libs,
+							&print_info,
+                            &lookup_dirs,
+                            &num_lookup_dirs,
+                            &verbose_flag);
+
+    if (first == argc) {
+        print_help();
+        FAILIF(1,  "You must specify at least one input ELF file!\n");
+    }
+
+    /* Check to see whether the ELF library is current. */
+    FAILIF (elf_version(EV_CURRENT) == EV_NONE, "libelf is out of date!\n");
+
+    /* List symbol dependencies... */
+    lsd(&argv[first], argc - first, 
+		list_needed_libs, print_info, 
+		lookup_dirs, num_lookup_dirs);
+
+    FREE(lookup_dirs);
+
+    return 0;
+} 
+