From a9f555d91653b0eddabbd46783896d91cd4aaf2d Mon Sep 17 00:00:00 2001
From: kamkow1 <ikamileq@gmail.com>
Date: Wed, 12 Mar 2025 20:52:02 +0100
Subject: [PATCH] Print source on SIGSEGV

---
 debugus.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/debugus.c b/debugus.c
index 00d35ce..fc72b45 100644
--- a/debugus.c
+++ b/debugus.c
@@ -54,6 +54,8 @@ int msleep(long msec)
 #define INIT_SCRIPT ".debugusrc.js"
 #define MAX_JS_FUNCS 100
 
+#define SOURCE_EXPANSION 4
+
 void print_source(const char *file, size_t line)
 {
     FILE *src = fopen(file, "r");
@@ -69,7 +71,7 @@ void print_source(const char *file, size_t line)
     fread(srcbuf, sz, 1, src);
     srcbuf[sz] = '\0';                    
 
-    const int expand = 4;
+    const int expand = SOURCE_EXPANSION;
 
     char *p = srcbuf;
     size_t i = 0;
@@ -257,6 +259,11 @@ void dbg_handle_sigsegv(Dbg *dbg, siginfo_t info)
             AddrInfo *ai = libelfin_wrap_info_from_rip(dbg->plibelfin, (uint64_t)(addr - dbg->program_load_offset));
             if (ai != NULL) {
                 LOG_INF("%s:%zu in function %s()\n", ai->file, (size_t)ai->line, dbg->symbols.items[i].name);
+                AddrInfo *ai2 = libelfin_wrap_info_from_rip(dbg->plibelfin, (uint64_t)(rip - dbg->program_load_offset));
+                if (ai2 != NULL) {
+                    print_source(ai2->file, ai2->line);
+                    libelfin_wrap_free_info(ai2);
+                }
                 libelfin_wrap_free_info(ai);
             }
             break;