From e23aefe2888d59763b013eeb491026a2ffc8930b Mon Sep 17 00:00:00 2001
From: k0kubun <k0kubun@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 5 Feb 2018 15:39:55 +0000
Subject: transform_mjit_header.rb: restrict transformation

to whitelisted patterns. This fix is for NetBSD.

[Bug #14439]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62235 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 tool/transform_mjit_header.rb | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'tool')

diff --git a/tool/transform_mjit_header.rb b/tool/transform_mjit_header.rb
index c27f9ea8f6..d844b5a2ac 100644
--- a/tool/transform_mjit_header.rb
+++ b/tool/transform_mjit_header.rb
@@ -11,6 +11,7 @@ module MJITHeader
   ATTR_VALUE_REGEXP  = /[^()]|\([^()]*\)/
   ATTR_REGEXP        = /__attribute__\s*\(\((#{ATTR_VALUE_REGEXP})*\)\)/
   FUNC_HEADER_REGEXP = /\A(\s*#{ATTR_REGEXP})*[^\[{(]*\((#{ATTR_REGEXP}|[^()])*\)(\s*#{ATTR_REGEXP})*\s*/
+  TARGET_NAME_REGEXP = /\A(rb|ruby|vm|insn|attr)_/
 
   # For MinGW's ras.h. Those macros have its name in its definition and can't be preprocessed multiple times.
   RECURSIVE_MACROS = %w[
@@ -167,6 +168,11 @@ while (decl_range = MJITHeader.find_decl(code, stop_pos))
 
     code[decl_range] = "static inline #{decl}"
   elsif (match = /#{MJITHeader::FUNC_HEADER_REGEXP}{/.match(decl)) && (header = match[0]) !~ /static/
+    unless decl_name.match(MJITHeader::TARGET_NAME_REGEXP)
+      puts "#{PROGRAM}: SKIPPED to transform #{decl_name}"
+      next
+    end
+
     extern_names << decl_name
     decl[match.begin(0)...match.end(0)] = ''
 
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