From 6857e4f197e4f7a0799a82478dcaf5382498e14f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alexis=20Lothor=C3=A9?= <alexis.lothore@bootlin.com>
Date: Tue, 2 Apr 2024 10:26:21 +0200
Subject: [PATCH] common: gdb: add the display command
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Show how to automatically print a variable each time the program stops in
gdb

Fixes #229

Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com>
---
 common/gdb.tex | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/common/gdb.tex b/common/gdb.tex
index 24c6b27ebc..343318aa75 100644
--- a/common/gdb.tex
+++ b/common/gdb.tex
@@ -114,6 +114,8 @@
       Break only if the specified condition is true
     \item \code{watch <variable> if condition == value}\\
       Trigger the watchpoint only if the specified condition is true
+    \item \code{display <expr>}\\
+      Automatically prints expression each time program stops
     \item \code{x/<n><u> <address>}\\
       Display memory at the provided address. \code{n} is the amount of memory to
       display, \code{u} is the type of data to be displayed (\code{b/h/w/g}).