Support bias, display library name on breakpoint

- syscall support very hacky right now
diff --git a/sysdeps/linux-gnu/proc.c b/sysdeps/linux-gnu/proc.c
index 4592924..fb43dca 100644
--- a/sysdeps/linux-gnu/proc.c
+++ b/sysdeps/linux-gnu/proc.c
@@ -429,7 +429,7 @@
 	void *addr;
 	{
 		struct library_symbol libsym;
-		library_symbol_init(&libsym, rdbg->r_brk, NULL, 0,
+		library_symbol_init(&libsym, NULL, rdbg->r_brk, NULL, 0,
 				    LS_TOPLT_NONE, 0);
 		addr = sym2addr(proc, &libsym);
 		library_symbol_destroy(&libsym);