From 85ca0df98988cdb235e1d0cb9b156affc5afc80e Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen@gmail.com>
Date: Mon, 25 Oct 2021 06:53:45 +0100
Subject: frida mode musl build fix

---
 frida_mode/src/seccomp/seccomp_callback.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'frida_mode/src/seccomp/seccomp_callback.c')

diff --git a/frida_mode/src/seccomp/seccomp_callback.c b/frida_mode/src/seccomp/seccomp_callback.c
index a88196ac..bc488489 100644
--- a/frida_mode/src/seccomp/seccomp_callback.c
+++ b/frida_mode/src/seccomp/seccomp_callback.c
@@ -1,6 +1,8 @@
 #if defined(__linux__) && !defined(__ANDROID__)
 
+#if !defined(__MUSL__)
   #include <execinfo.h>
+#endif
   #include <fcntl.h>
 
   #include "seccomp.h"
@@ -29,6 +31,7 @@ static void seccomp_callback_filter(struct seccomp_notif *     req,
       req->data.args[0], req->data.args[1], req->data.args[2],
       req->data.args[3], req->data.args[4], req->data.args[5]);
 
+#if !defined(__MUSL__)
   seccomp_print("FRAMES: (%u)\n", frames->len);
   char **syms = backtrace_symbols(frames->items, frames->len);
   if (syms == NULL) { FATAL("Failed to get symbols"); }
@@ -49,6 +52,7 @@ static void seccomp_callback_filter(struct seccomp_notif *     req,
   }
 
   free(syms);
+#endif
 
   resp->error = 0;
   resp->val = 0;
-- 
cgit 1.4.1


From 7407e2fb11675261173c625c3010ce9571a7d6f6 Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen@gmail.com>
Date: Mon, 25 Oct 2021 09:37:51 +0100
Subject: frida mode musl further changes display stack trace

---
 frida_mode/src/seccomp/seccomp_callback.c | 16 ++++++++++++++++
 frida_mode/src/seccomp/seccomp_filter.c   |  2 ++
 2 files changed, 18 insertions(+)

(limited to 'frida_mode/src/seccomp/seccomp_callback.c')

diff --git a/frida_mode/src/seccomp/seccomp_callback.c b/frida_mode/src/seccomp/seccomp_callback.c
index bc488489..4232d842 100644
--- a/frida_mode/src/seccomp/seccomp_callback.c
+++ b/frida_mode/src/seccomp/seccomp_callback.c
@@ -52,6 +52,22 @@ static void seccomp_callback_filter(struct seccomp_notif *     req,
   }
 
   free(syms);
+#else
+  void **syms = (void **)__builtin_frame_address(0);
+  void *framep = __builtin_frame_address(1);
+  int i = 0;
+
+  syms = framep;
+  while (syms) {
+   
+    framep = *syms;   
+    syms = framep;
+
+    if (!syms) break;
+
+    seccomp_print("\%3d. %s\n", i ++, (char *)framep);
+
+  }
 #endif
 
   resp->error = 0;
diff --git a/frida_mode/src/seccomp/seccomp_filter.c b/frida_mode/src/seccomp/seccomp_filter.c
index 8d56c367..7ee5ead1 100644
--- a/frida_mode/src/seccomp/seccomp_filter.c
+++ b/frida_mode/src/seccomp/seccomp_filter.c
@@ -2,7 +2,9 @@
 
   #include <alloca.h>
   #include <errno.h>
+#if !defined(__MUSL__)
   #include <execinfo.h>
+#endif
   #include <linux/filter.h>
   #include <sys/ioctl.h>
   #include <sys/prctl.h>
-- 
cgit 1.4.1