From d5a3e1bccc54036e8b659f22dc704fa257f5734d Mon Sep 17 00:00:00 2001
From: notaz <notasas@gmail.com>
Date: Sun, 10 Jan 2016 03:34:08 +0200
Subject: [PATCH] fix missing syms in ginge_dyn

---
 loader/Makefile   |  1 +
 loader/host.c     | 14 +++++++++-----
 loader/override.c |  2 ++
 3 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/loader/Makefile b/loader/Makefile
index f326814..85c25ba 100644
--- a/loader/Makefile
+++ b/loader/Makefile
@@ -47,6 +47,7 @@ all: $(TARGET_S) $(TARGET_D)
 
 $(TARGET_S): LDFLAGS += -Wl,-T script_$(ARCH).lds
 $(TARGET_D): LDFLAGS += -ldl -Wl,--version-script=ginge_dyn.symver
+$(TARGET_D): LDFLAGS += -Wl,--no-undefined
 
 $(TARGET_S): $(OBJ_S)
 	$(CC) -o $@ $^ -static $(LDFLAGS)
diff --git a/loader/host.c b/loader/host.c
index a6c2856..796d980 100644
--- a/loader/host.c
+++ b/loader/host.c
@@ -26,6 +26,8 @@
 #include "host_wiz.c"
 #endif
 
+char **g_argv;
+
 int host_init(void)
 {
   in_init();
@@ -54,11 +56,13 @@ void host_forced_exit(int status)
 
   printf("forced exit...\n");
 
-  snprintf(cmd, sizeof(cmd), "killall %s", g_argv[0]);
-  system(cmd);
-  usleep(300000);
-  snprintf(cmd, sizeof(cmd), "killall -9 %s", g_argv[0]);
-  system(cmd);
+  if (g_argv != NULL) {
+    snprintf(cmd, sizeof(cmd), "killall %s", g_argv[0]);
+    system(cmd);
+    usleep(300000);
+    snprintf(cmd, sizeof(cmd), "killall -9 %s", g_argv[0]);
+    system(cmd);
+  }
   exit(status);
 }
 
diff --git a/loader/override.c b/loader/override.c
index 1e0d415..c5b0a09 100644
--- a/loader/override.c
+++ b/loader/override.c
@@ -282,6 +282,7 @@ static ssize_t w_readlink(const char *path, char *buf, size_t bufsiz)
 {
   long ret;
 
+#ifndef DL
   if (path != NULL && strncmp(path, "/proc/", 6) == 0
       && strcmp(strrchr(path, '/'), "/exe") == 0)
   {
@@ -290,6 +291,7 @@ static ssize_t w_readlink(const char *path, char *buf, size_t bufsiz)
       ret = bufsiz;
   }
   else
+#endif
     ret = g_readlink_raw(path, buf, bufsiz);
 
   strace("readlink(%s, %s, %zd) = %ld\n", path, buf, bufsiz, ret);
-- 
2.39.5