32 Bit Snow Leopard

Michael Hall mik3hall at gmail.com
Fri Apr 8 15:56:25 PDT 2011

To build 32 bit appears to require 
to be set up along the lines of the macosx-port one.
It seems to have a problem where a preprocessor check keeps it from defining .type, however a .type is always included farther on.
I believe the macosx-port version could just be dropped in.
However, I changed the bsd-port version like this...

cd hotspot
hg diff src/os_cpu/bsd_x86/vm/bsd_x86_32.s
diff --git a/src/os_cpu/bsd_x86/vm/bsd_x86_32.s b/src/os_cpu/bsd_x86/vm/bsd_x86_32.s
--- a/src/os_cpu/bsd_x86/vm/bsd_x86_32.s
+++ b/src/os_cpu/bsd_x86/vm/bsd_x86_32.s
@@ -689,8 +689,8 @@
         # Support for jlong Atomic::load and Atomic::store.
         # void _Atomic_move_long(volatile jlong* src, volatile jlong* dst)
         .p2align 4,,15
-	.type    _Atomic_move_long, at function
+	ELF_TYPE(_Atomic_move_long, at function)
         movl     4(%esp), %eax   # src
         fildll    (%eax)
         movl     8(%esp), %eax   # dest

Now I'm afraid the 'but'. This builds but the generated crashes.
./build/bsd-i586/j2sdk-image/bin/java -version
# A fatal error has been detected by the Java Runtime Environment:
#  SIGBUS (0xa) at pc=0x010495fd, pid=3946, tid=2953121792
# JRE version: 7.0
# Java VM: OpenJDK Client VM (21.0-b06 mixed mode bsd-x86 )
# Problematic frame:
# V  [libjvm.dylib+0x495fd]  reorder_based_on_method_index(objArrayOopDesc*, objArrayOopDesc*, GrowableArray<oopDesc*>*)+0x2d
# Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
# An error report file with more information is saved as:
# /Volumes/mbvol/bsd-port/hs_err_pid3946.log
# If you would like to submit a bug report, please visit:
#   http://java.sun.com/webapps/bugreport/crash.jsp
Abort trap

I currently have no idea on that?

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