From a3418944478afde0adbccea7428595c0bb617f95 Mon Sep 17 00:00:00 2001
From: "Yu-Cheng (Henry) Huang" <Happyholic1203@gmail.com>
Date: Wed, 13 Nov 2019 15:36:07 +0800
Subject: [PATCH] Add BUILD_VERSION load command

---
 macholibre/dictionary.py | 13 +++++++++++++
 macholibre/parser.py     | 22 ++++++++++++++++++++++
 2 files changed, 35 insertions(+)

diff --git a/macholibre/dictionary.py b/macholibre/dictionary.py
index 988f39e..b08a05f 100644
--- a/macholibre/dictionary.py
+++ b/macholibre/dictionary.py
@@ -538,3 +538,16 @@
         2147483648 + 100: 'POWERPC_970 (LIB64)'
     }
 }
+
+tools = {
+    1: 'CLANG',
+    2: 'SWIFT',
+    3: 'LD'
+}
+
+platforms = {
+    1: 'MACOS',
+    2: 'IOS',
+    3: 'TVOS',
+    4: 'WATCHOS'
+}
diff --git a/macholibre/parser.py b/macholibre/parser.py
index 7835843..2fb8c89 100644
--- a/macholibre/parser.py
+++ b/macholibre/parser.py
@@ -757,6 +757,26 @@ def parse_main(self, cmd, cmd_size):
 
         return output
 
+    def parse_build_version(self, cmd, cmd_size):
+        """Parse build version load command."""
+
+        output = {
+            'cmd': cmd,
+            'cmd_size': cmd_size,
+            'platform': dictionary.platforms[self.get_int()],
+            'minos': self.get_int(),
+            'sdk': self.get_int(),
+            'tools': []
+        }
+
+        for _ in range(self.get_int()):
+            output['tools'].append({
+                'tool': dictionary.tools[self.get_int()],
+                'version': self.get_int()
+            })
+
+        return output
+
     def parse_lcs(self, offset, size, nlcs, slcs):
         """Determine which load commands are present and parse each one
         accordingly. Return as a list.
@@ -855,6 +875,8 @@ def parse_lcs(self, offset, size, nlcs, slcs):
                 self.__macho['lcs'].append(self.parse_rpath(cmd, cmd_size))
             elif cmd == 'MAIN':
                 self.__macho['lcs'].append(self.parse_main(cmd, cmd_size))
+            elif cmd == 'BUILD_VERSION':
+                self.__macho['lcs'].append(self.parse_build_version(cmd, cmd_size))
 
     def parse_syms(self, offset, size, lc_symtab):
         """Parse symbol and string tables.