From 3fd1dd33163b7a2b92543293aade0dcca2f626af Mon Sep 17 00:00:00 2001
From: gcxfd <i@rmw.link>
Date: Sat, 5 Mar 2022 00:56:18 +0800
Subject: [PATCH 1/4] need a a way to iter symbols from BacktraceFrame

---
 library/std/src/backtrace.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/std/src/backtrace.rs b/library/std/src/backtrace.rs
index 94e6070c0f794..bf7b691426bed 100644
--- a/library/std/src/backtrace.rs
+++ b/library/std/src/backtrace.rs
@@ -152,7 +152,7 @@ fn _assert_send_sync() {
 #[unstable(feature = "backtrace_frames", issue = "79676")]
 pub struct BacktraceFrame {
     frame: RawFrame,
-    symbols: Vec<BacktraceSymbol>,
+    pub symbols: Vec<BacktraceSymbol>,
 }
 
 #[derive(Debug)]

From 31e5fcc15e7147dcd0c2c59eb4dd6fc070662612 Mon Sep 17 00:00:00 2001
From: gcxfd <i@rmw.link>
Date: Sat, 5 Mar 2022 01:05:38 +0800
Subject: [PATCH 2/4] pub BacktraceSymbol feild

---
 library/std/src/backtrace.rs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/library/std/src/backtrace.rs b/library/std/src/backtrace.rs
index bf7b691426bed..bd2827351cb6f 100644
--- a/library/std/src/backtrace.rs
+++ b/library/std/src/backtrace.rs
@@ -163,10 +163,10 @@ enum RawFrame {
 }
 
 struct BacktraceSymbol {
-    name: Option<Vec<u8>>,
-    filename: Option<BytesOrWide>,
-    lineno: Option<u32>,
-    colno: Option<u32>,
+    pub name: Option<Vec<u8>>,
+    pub filename: Option<BytesOrWide>,
+    pub lineno: Option<u32>,
+    pub colno: Option<u32>,
 }
 
 enum BytesOrWide {

From d2a53ce08dd4ef043c5847017b7c2fe7076bd225 Mon Sep 17 00:00:00 2001
From: gcxfd <i@rmw.link>
Date: Sat, 5 Mar 2022 17:17:56 +0800
Subject: [PATCH 3/4] pub BacktraceSymbol

---
 library/std/src/backtrace.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/std/src/backtrace.rs b/library/std/src/backtrace.rs
index bd2827351cb6f..997d56791ad4f 100644
--- a/library/std/src/backtrace.rs
+++ b/library/std/src/backtrace.rs
@@ -162,7 +162,7 @@ enum RawFrame {
     Fake,
 }
 
-struct BacktraceSymbol {
+pub struct BacktraceSymbol {
     pub name: Option<Vec<u8>>,
     pub filename: Option<BytesOrWide>,
     pub lineno: Option<u32>,

From 1ad8a7ac471a0fd4e1dd3730ea6519b229d473d3 Mon Sep 17 00:00:00 2001
From: gcxfd <i@rmw.link>
Date: Sun, 6 Mar 2022 15:19:12 +0800
Subject: [PATCH 4/4] Update backtrace.rs

---
 library/std/src/backtrace.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/std/src/backtrace.rs b/library/std/src/backtrace.rs
index 997d56791ad4f..91ce447c3f672 100644
--- a/library/std/src/backtrace.rs
+++ b/library/std/src/backtrace.rs
@@ -169,7 +169,7 @@ pub struct BacktraceSymbol {
     pub colno: Option<u32>,
 }
 
-enum BytesOrWide {
+pub enum BytesOrWide {
     Bytes(Vec<u8>),
     Wide(Vec<u16>),
 }