openjdk-21/add-downgrade-the-glibc-symver-of-log2f-posix_spawn.patch

From 9b51dcde590d8e93dfcd92ee6e37d19f72ce9138 Mon Sep 17 00:00:00 2001
Subject: add 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 bb21f48f6..072e07706 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 9ed0ed309..64671d975 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:
-- 
2.19.1