HP UX Software Transition Kit (STK) manual Changing a Programs Attributes with chatr1, Libname

3 Linker Tools for Itanium-Based Systems

This chapter describes the linker toolset for Itanium-based system. This toolset provides several tools to help you find symbols, display and modify object files, and determine link order. These tools are specific to ELF (executable and linking format) object file type. The following lists Table 5 (page 53).

Table 5 Linker toolset for Itanium-Based systems

Tool	Description
chatr	Displays or modifies the internal attributes of an object file. See “Changing a Program's Attributes
	with chatr(1)” (page 53)
nm	Displays the symbol table of an object file. See “Viewing Symbols in an Object file with nm(1)”
	(page 56)
elfdump	Displays the contents of an ELF object file. See “Viewing the Contents of an Object File with
	elfdump(1)” (page 58)
ldd	Lists dynamic dependencies of executable files and shared libraries. “Viewing Library Dependencies
	with ldd(1)” (page 60)
pldd	Lists the dynamic libraries linked into each process, including shared objects explicitly attached
	using dlopen/shl_load.See “Listing Dynamic Libraries with pldd(1)” (page 61)
pstack	Prints a stack trace (hex+symbolic) for each lwp in each process and core file. See “Printing a
	Stack Trace with pstack(1)” (page 62)Example 2 “Using the nm command”
size	Prints sizes of object file elements. See “ Viewing the Size of Object File Elements with size(1)”
	(page 65)
strip	Strips symbol and debugging information from an object file, executable, or archive library. See
	“Reducing Storage Space with strip(1)” (page 65)
fastbind	Improves start-up time of programs that use shared libraries. See“Improving Program Start-up with
	fastbind(1)” (page 66)
lorder	Finds ordering relationship for an object library. See “Finding Object Library Ordering Relationships
	with lorder(1)” (page 77)
ltrace	Traces inter-module procedure calls. See “Tracing Inter-Module Procedure Calls with ltrace(1)”
	(page 67)

Changing a Program's Attributes with chatr(1)

The chatr command (see chatr(1)) allows you to change various program attributes that were determined at link time. When run without any options, chatr displays the attributes of the specified file. The following summarizes the options you can use to change various attributes:

The chatr command supports two different command syntaxes. One is provided for the easy manipulation of simple files. Use it to modify files that have only a single text segment and data segment. The second command syntax allows you to specify selected segments to modify.

The following sections list the additional IPF/PA-64 mode options for the chatr command. See the chatr(1) manpage for more information about formats.

The following summarizes the options you can use to change various attributes:

Table 6 options to change various attributes

To do this	Use the option
Indicate that the specified shared library is subject to run-time path lookup if directory	-l libname
path lists are provided (see +s and +b).
Perform operations silently.	-s

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