Oracle Solaris supports the following ABI versions:
SPARC V8 ABI – Used for 32-bit SPARC systems
SPARC V9 ABI – Used for 64-bit SPARC systems
i386 ABI – Used for 32-bit x86 systems
amd64 ABI – Used for 64-bit x86 systems
For more information, see SPARC V9 ABI Features and AMD64 ABI Features.