From 3df4fc05449563f9f8d6335ce724fd55cc7aeaca Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Tue, 27 Sep 2016 10:05:08 -0400
Subject: [PATCH] Report caller address for missing functions.

---
 lx_loader.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lx_loader.c b/lx_loader.c
index f4c8c5a..a03b720 100644
--- a/lx_loader.c
+++ b/lx_loader.c
@@ -179,9 +179,13 @@ static int decompressExePack2(uint8 *dst, const uint32 dstlen, const uint8 *src,
 
 static void missingEntryPointCalled(const char *module, const char *entry)
 {
+    void ***ebp = NULL;
+    __asm__ __volatile__ ( "movl %%ebp, %%eax  \n\t" : "=a" (ebp) );
+    void *caller = ebp[0][1];
+
     fflush(stdout);
     fflush(stderr);
-    fprintf(stderr, "\n\nMissing entry point '%s' in module '%s' called!\n", entry, module);
+    fprintf(stderr, "\n\nMissing entry point '%s' in module '%s' called at %p!\n", entry, module, caller);
     fprintf(stderr, "Aborting.\n\n\n");
     //STUBBED("output backtrace");
     fflush(stderr);