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60 Chapter 16. Selecting the Target System

16.1.3. objcopyand stripOutput Target

Ways to specify:

1. command line options: -O or -output-target, or -F or -target

2. the input target (see "objcopy and strip Input Target" above)

3. environment variable GNUTARGET

4. deduced from the input ﬁle

16.1.4. nm, size, and stringsTarget

Ways to specify:

1. command line option: -target

2. environment variable GNUTARGET

3. deduced from the input ﬁle

16.2. Architecture Selection

An architecture is a type of cpu on which an object ﬁle is to run. Its name may contain a colon,

separating the name of the processor family from the name of the particular cpu.

The command to list valid architecture values is objdump -i (the second column contains the rele-

vant information).

Sample values: m68k:68020, mips:3000, sparc.

16.2.1. objdumpArchitecture

Ways to specify:

1. command line option: -m or -architecture

2. deduced from the input ﬁle

16.2.2. objcopy, nm, size, stringsArchitecture

Ways to specify:

1. deduced from the input ﬁle

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Red Hat ENTERPRISE LINUX 4 - USING BINUTILS Manuale Utente Pagina 66