HP-UX Linker and Libraries User's Guide

Linking in PA-64 Mode with +std..........................................................................................48
Linking in PA-32 Mode with +compat...................................................................................48
Changing Mapfiles with -k and +nodefaultmap......................................................................48
Selecting Verbose Output with +vtype...................................................................................48
Turning on the linkage table protection with +protect..............................................................50
Creating read-only text segment in MPAS executable..............................................................50
Allocating Storage for Uninitialized Data with +nobss.............................................................50
Initializing Floating Point Environment with +FP .....................................................................50
Allocating Storage for Hidden Common Symbols with +alloc_hidden_commons.........................51
Turn Off Linker Warnings with -w.........................................................................................52
Preserving Compiler Generated Relocation Sections with -emit_relocs........................................52
3 Linker Tools for Itanium-Based Systems.........................................................53
Changing a Program's Attributes with chatr(1)............................................................................53
Viewing Symbols in an Object file with nm(1).............................................................................56
Viewing the Contents of an Object File with elfdump(1)................................................................58
Viewing Library Dependencies with ldd(1)..................................................................................60
Listing Dynamic Libraries with pldd(1)........................................................................................61
Printing a Stack Trace with pstack(1)..........................................................................................62
Viewing the Size of Object File Elements with size(1)....................................................................65
Reducing Storage Space with strip(1).........................................................................................65
Improving Program Start-up with fastbind(1)................................................................................66
Finding Object Library Ordering Relationships with lorder(1).........................................................67
Tracing Inter-Module Procedure Calls with ltrace(1)......................................................................67
4 Linker Tools for PA-RISC Systems.................................................................69
Changing a Program's Attributes with chatr(1)............................................................................69
Using chatr for 32-bit Program Attributes...............................................................................69
Using chatr for 64-bit Program Attributes...............................................................................70
Viewing Symbols in an Object file with nm(1).............................................................................71
Viewing the Contents of an Object File with elfdump(1)................................................................72
Viewing library dependencies with ldd(1)...................................................................................74
Viewing the Size of Object File Elements with size(1)....................................................................75
Reducing Storage Space with strip(1).........................................................................................76
Improving Program Start-up with fastbind(1)................................................................................76
Finding Object Library Ordering Relationships with lorder(1).........................................................77
5 Linker Toolset Differences Between PA-RISC and Itanium-Based Systems............79
Linker Toolset Compatibility with De Facto Industry Standards.......................................................79
ELF Object File Format .......................................................................................................79
PA-RISC Changes in Hardware Compatibility.............................................................................79
PA-RISC 2.0 Compatibility...................................................................................................80
PA-RISC Architectures and Their System Models......................................................................80
Link-time Differences Between SOM (PA32) and ELF (PA64 and Itanium)........................................80
Run-time Differences Between SOM (PA32) and ELF (PA64 and Itanium)........................................82
PA64 Mode Linker Options......................................................................................................82
Linker-Defined Symbols............................................................................................................82
Dynamic Path Searching for Shared Libraries..............................................................................83
Symbol Searching in Dependent Libraries..............................................................................86
System Libraries - Locations and Library Name Extension..............................................................87
System Library Location.......................................................................................................87
Shared Library Extension (suffix)...........................................................................................87
Statically-bound programs (archive-bound programs)..............................................................88
6 Creating and Using Libraries......................................................................89
Overview of Shared and Archive Libraries..................................................................................89
What are Archive Libraries?.....................................................................................................90
Contents 5