From f03f70daa59157adcab807b393db21d57da33e23 Mon Sep 17 00:00:00 2001
Date: Tue, 26 Oct 2021 15:49:42 +0800
Subject: [PATCH] downgrade the glibc symver of log2f & posix_spawn
---
 src/hotspot/share/opto/parse2.cpp                  | 8 ++++++++
 src/java.base/unix/native/libjava/ProcessImpl_md.c | 4 ++++
 2 files changed, 12 insertions(+)

diff --git a/src/hotspot/share/opto/parse2.cpp b/src/hotspot/share/opto/parse2.cpp
index becd187a5..9bbcb0cb8 100644
--- a/src/hotspot/share/opto/parse2.cpp
+++ b/src/hotspot/share/opto/parse2.cpp
@@ -45,6 +45,14 @@
 #include "runtime/deoptimization.hpp"
 #include "runtime/sharedRuntime.hpp"
 
+#ifdef AARCH64
+  __asm__(".symver log2f,log2f@GLIBC_2.17");
+#endif
+
+#ifdef AMD64
+  __asm__(".symver log2f,log2f@GLIBC_2.2.5");
+#endif
+
 #ifndef PRODUCT
 extern int explicit_null_checks_inserted,
            explicit_null_checks_elided;
diff --git a/src/java.base/unix/native/libjava/ProcessImpl_md.c b/src/java.base/unix/native/libjava/ProcessImpl_md.c
index 3854f36da..26cf41cbb 100644
--- a/src/java.base/unix/native/libjava/ProcessImpl_md.c
+++ b/src/java.base/unix/native/libjava/ProcessImpl_md.c
@@ -48,6 +48,10 @@
 
 #include "childproc.h"
 
+#if defined(amd64)
+  __asm__(".symver posix_spawn,posix_spawn@GLIBC_2.2.5");
+#endif
+
 /*
  *
  * When starting a child on Unix, we need to do three things:
-- 
2.19.0