From 18b8b37ca3715abd7ea86295a9921d9391ce093b Mon Sep 17 00:00:00 2001
From: Nikolai Nosov <nnosov@gmail.com>
Date: Sat, 11 Jan 2020 14:54:57 +0400
Subject: [PATCH] added some useful info about compiler options

---
 README.md | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 04ebe3d..d5aee93 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,7 @@
-# pstrace
\ No newline at end of file
+# Pretty Stack Trace library
+
+# unwinding-related gcc options
+*-funwind-tables* tells linker to generate .eh_frame section containing CFI. enabled by default if gcc/g++ used for linking
+*-fexceptions* Enable exception handling. Generates extra code needed to propagate exceptions.
+*-rdynamic* exports the symbols of an executable, allows to print function names in backtrace
+*-fno-omit-frame-pointer* instructs the compiler to store the stack frame pointer in a register RBP for x86_64.
\ No newline at end of file