From b2b84cb0104bce65c8de118093438d8d62a1aac0 Mon Sep 17 00:00:00 2001
From: YAMAMOTO Takashi <yamamoto@midokura.com>
Date: Wed, 29 Jan 2020 15:54:31 +0900
Subject: [PATCH] sim: Update documentation for macOS

---
 boards/sim/sim/sim/README.txt | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/boards/sim/sim/sim/README.txt b/boards/sim/sim/sim/README.txt
index 2bd1240728..18a352e869 100644
--- a/boards/sim/sim/sim/README.txt
+++ b/boards/sim/sim/sim/README.txt
@@ -181,6 +181,10 @@ which version of strlen() you call.  Other times, it can cause subtle,
 mysterious errors.  Usually, however, callng the wrong function in the wrong
 OS results in a fatal crash.
 
+On macOS, instead of objcopy, -unexported_symbols_list linker option is
+used to hide symbols in the NuttX domain, using the same list of symbols
+from nuttx-name.dat.
+
 Networking Issues
 -----------------
 I never did get networking to work on the sim target.  It tries to use the
@@ -487,6 +491,17 @@ Common Configuration Information
         CONFIG_SIM_X8664_SYSTEMV=n
         CONFIG_SIM_M32=n
 
+     g. macOS, 64-bit, 64-bit build
+
+        CONFIG_HOST_LINUX=n
+        CONFIG_HOST_MACOS=y
+        CONFIG_HOST_WINDOWS=n
+        CONFIG_HOST_X86=n
+        CONFIG_HOST_X86_64=y
+        CONFIG_SIM_X8664_MICROSOFT=n
+        CONFIG_SIM_X8664_SYSTEMV=y
+        CONFIG_SIM_M32=n
+
 Configuration Sub-Directories
 -----------------------------