Chapter 1 What's New in Recent Releases

Table of Contents

This section contains information about recent releases of the HP-UX linker toolset:

For This Release

The HP-UX 11.00 linker toolset contains new features:

If you use the 32-bit mode linker toolset, see the following items:

If you use the 64-bit mode linker toolset, see the following items:

“PA-RISC Changes in Hardware Compatibility ” updated in this chapter.
“64-bit Mode Linker Toolset Compatibility with De Facto Industry Standards” described in this chapter.
“64-bit Mode ELF Object File Format” described in this chapter.
“Dynamic Path Searching for Shared Libraries” describes differences in the run time searching of shared libraries.
“Shared Library Symbol Binding Semantics ” describes differences in shared library binding semantics.
New 64-bit mode linker options, symbols, and features, described in“New Features for 64-bit Mode Linking” in this chapter.
Unsupported 32-bit mode features, behavior, and linker options, described in “64-bit Mode Link-time Differences” and “64-bit Mode Run Time Differences” in this chapter.
“64-bit Mode Initializers” describes the init/fini support for 64-bit mode shared libraries.
“The dlopen Shared Library Management Routines” describes the dl* family of shared library management routines for 64-bit mode.
“BIND_BREADTH_FIRST Modifier” describes the flag added to the shl_load routine to modify search behavior.
“Changes in Future Releases” updated in this chapter.

The following items were added in the HP-UX 10.30 release:

“Linker Thread-Safe Features”.
“Options to Improve TLB Hit Rates ”.
The +k linker option (see ld(1)) to remove an executable if the link fails.
The +k chatr option (see chatr(1)) to improve branch prediction on PA-RISC 2.0.

The following items were added in the HP-UX 10.20 release: