From 1b6a04ca5504955c571d1c97504fb45ea0befee4 Mon Sep 17 00:00:00 2001
From: Valentin Popov <valentin@popov.link>
Date: Mon, 8 Jan 2024 01:21:28 +0400
Subject: Initial vendor packages
Signed-off-by: Valentin Popov <valentin@popov.link>
---
vendor/backtrace/examples/backtrace.rs | 5 ++++
vendor/backtrace/examples/raw.rs | 52 ++++++++++++++++++++++++++++++++++
2 files changed, 57 insertions(+)
create mode 100644 vendor/backtrace/examples/backtrace.rs
create mode 100644 vendor/backtrace/examples/raw.rs
(limited to 'vendor/backtrace/examples')
diff --git a/vendor/backtrace/examples/backtrace.rs b/vendor/backtrace/examples/backtrace.rs
new file mode 100644
index 0000000..7ff6cd3
--- /dev/null
+++ b/vendor/backtrace/examples/backtrace.rs
@@ -0,0 +1,5 @@
+use backtrace::Backtrace;
+
+fn main() {
+ println!("{:?}", Backtrace::new());
+}
diff --git a/vendor/backtrace/examples/raw.rs b/vendor/backtrace/examples/raw.rs
new file mode 100644
index 0000000..d96a127
--- /dev/null
+++ b/vendor/backtrace/examples/raw.rs
@@ -0,0 +1,52 @@
+fn main() {
+ foo();
+}
+
+fn foo() {
+ bar()
+}
+fn bar() {
+ baz()
+}
+fn baz() {
+ print()
+}
+
+#[cfg(target_pointer_width = "32")]
+const HEX_WIDTH: usize = 10;
+#[cfg(target_pointer_width = "64")]
+const HEX_WIDTH: usize = 20;
+
+fn print() {
+ let mut cnt = 0;
+ backtrace::trace(|frame| {
+ let ip = frame.ip();
+ print!("frame #{:<2} - {:#02$x}", cnt, ip as usize, HEX_WIDTH);
+ cnt += 1;
+
+ let mut resolved = false;
+ backtrace::resolve(frame.ip(), |symbol| {
+ if !resolved {
+ resolved = true;
+ } else {
+ print!("{}", vec![" "; 7 + 2 + 3 + HEX_WIDTH].join(""));
+ }
+
+ if let Some(name) = symbol.name() {
+ print!(" - {}", name);
+ } else {
+ print!(" - <unknown>");
+ }
+ if let Some(file) = symbol.filename() {
+ if let Some(l) = symbol.lineno() {
+ print!("\n{:13}{:4$}@ {}:{}", "", "", file.display(), l, HEX_WIDTH);
+ }
+ }
+ println!("");
+ });
+ if !resolved {
+ println!(" - <no info>");
+ }
+ true // keep going
+ });
+}
--
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