CHAPTER 5: LINKER
S5U1C63000A MANUAL
EPSON
89
(S1C63 FAMILY ASSEMBLER PACKAGE)
CHAPTER
5 L
INKER
This chapter describes the functions of the linker, lk63.
5.1 Functions
The linker lk63 is a software that generates executable object files. It provides the following functions:
• Puts together multiple object modules to create one executable object file.
• Resolves external reference from one module to another.
• Relocates relative addresses to absolute addresses.
• Delivers debugging information, such as line numbers and symbol information, in the object file
created after linking.
• Capable of outputting a link map file, symbol file, absolute list file and a cross reference file.
• Automatic page correction function (insertion/removal/correction of the "ldb %ext, imm8" branch
extension instruction) for branch instructions.
5.2 Input/Output Files
Linker
lk63
file.o
Relocatable
object file(s)
Linker
command file
file.sym
file.xrf
file.cm
ICE
parameter file
file.par
file.abs
Absolute
object file
Cross
reference file
file.als
Absolute
list file
file.map
Link
map file
Symbol
file
Error file
lk63.err
to Debugger
from Assembler
Fig. 5.2.1 Flow chart
5.2.1 Input Files
Relocatable object file
∗
This file must always be specified in either a command line or a link command file.
File format: Binary file in IEEE-695 format
File name: <File name>.o
(A path can also be specified.)
Description: Object file of individual modules created by the assembler.
Linker command file
File format: Text file
File name: <File name>.cm
(A path can also be specified.)
Description: File to specify the linker options. This makes it possible to reduce typing in a command
line. This file is dispensable if all start-up options can be input in a command line.
ICE parameter file
∗
This file must always be specified in either a command line or a link command file.
File format: Binary file
File name: <File name>.par
(A path can also be specified.)
Description: File to specify the memory mapping and unsupported instruction information of each
S1C63 Family model. This file is provided for each model and commonly used with the
debugger and HEX converter.
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