From 682f5938e8fc26fb9b2561cfa08b472b9b6995ae Mon Sep 17 00:00:00 2001
From: Yuri Edward <yuri6037@outlook.com>
Date: Sat, 13 Jul 2024 10:14:10 +0200
Subject: [PATCH] Added extern functions

---
 core/src/logger.rs          | 4 ++++
 core/src/trace/interface.rs | 8 ++++++++
 2 files changed, 12 insertions(+)

diff --git a/core/src/logger.rs b/core/src/logger.rs
index 577e116..4b9f1cd 100644
--- a/core/src/logger.rs
+++ b/core/src/logger.rs
@@ -48,6 +48,10 @@ pub trait Logger {
     fn log(&self, callsite: &'static Callsite, msg: Arguments, fields: &FieldSet);
 }
 
+extern "Rust" {
+    pub fn logger_log(callsite: &'static Callsite, msg: Arguments, fields: &FieldSet);
+}
+
 #[cfg(test)]
 mod tests {
     use bp3d_logger::Level;
diff --git a/core/src/trace/interface.rs b/core/src/trace/interface.rs
index c78f393..67d7df2 100644
--- a/core/src/trace/interface.rs
+++ b/core/src/trace/interface.rs
@@ -37,3 +37,11 @@ pub trait Tracer {
     fn span_record(&self, id: NonZeroU32, fields: &FieldSet);
     fn span_exit(&self, id: NonZeroU32);
 }
+
+extern "Rust" {
+    pub fn tracer_register_callsite(callsite: &'static Callsite) -> NonZeroU32;
+    pub fn tracer_span_create(callsite: NonZeroU32, fields: &FieldSet) -> NonZeroU32;
+    pub fn tracer_span_enter(id: NonZeroU32);
+    pub fn tracer_span_record(id: NonZeroU32, fields: &FieldSet);
+    pub fn tracer_span_exit(id: NonZeroU32);
+}