Update cheatsheets

linux/addr2line

@@ -0,0 +1,21 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# addr2line
+
+> Convert addresses of a binary into file names and line numbers.
+> More information: <https://manned.org/addr2line>.
+
+- Display the filename and line number of the source code from an instruction address of an executable:
+
+`addr2line --exe={{path/to/executable}} {{address}}`
+
+- Display the function name, filename and line number:
+
+`addr2line --exe={{path/to/executable}} --functions {{address}}`
+
+- Demangle the function name for C++ code:
+
+`addr2line --exe={{path/to/executable}} --functions --demangle {{address}}`