build: support debugging/testing object internals

Add a hack so we can build individual objects as standalone programs.
This way we can more easily poke internal static funcs to aid in the
overall debugging/development process.

Bug: https://bugs.gentoo.org/739014
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

1 files changed, 18 insertions, 0 deletions

diff --git a/paxldso.c b/paxldso.c
index 2d8ddea..d89210d 100644
--- a/paxldso.c
+++ b/paxldso.c
@@ -371,3 +371,21 @@ void paxldso_cleanup(void)
 #endif
 
 const char * ldcache_path = "/etc/ld.so.cache";
+
+#ifdef MAIN
+
+const char argv0[] = "paxldso";
+
+int main(int argc, char *argv[])
+{
+	elfobj *elf = readelf(argv[0]);
+	for (int i = 1; i < argc; ++i) {
+		const char *search = argv[i];
+		const char *lib = ldso_cache_lookup_lib(elf, search);
+		printf("%s -> %s\n", search, lib);
+	}
+	unreadelf(elf);
+	paxldso_cleanup();
+}
+
+#endif