Input Files; Output Files - Epson S5U1C17001C Manual

7 Linker
7.2.1

Input Files

 Object file

File format: Binary file in elf format
File name:
<filename>.o
Description: Object file of individual modules created by the as assembler.
 Library file

File format: Binary file in library format
File name: <filename>.a
Description: ANSI library files, emulation library files and user library files.
 Linker script file

File format: Text file
File name: <filename>.x
Description: File to specify the start address of each section and other information for linkage.
It is input to the ld linker when the -T option is specified.
 Linker symbol file

File format: Text file
File name:
ldsyms.ini
Description: File to specify the address corresponding to the symbol name.
This is input to the ld linker when the -R option is specified.
7.2.2

Output Files

 Executable object file

File format: Binary file in elf format
File name: <filename>.elf
Description: Description: Object file in executable format that can be input in the gdb debugger. All the modules
comprising one program are linked together in the file, and the absolute addresses that all the codes will be
mapped are determined. It also contains the necessary debugging information in elf format.
The default file name is a.out when no output file name is specified using the -o option.
 Link map file

File format: Text file
File name:
<filename>.map
Description: Mapping information file showing from which address of a section each input file was mapped.
The file is delivered when the -M or -Map option is specified.
7-2 Seiko Epson Corporation S5U1C17001C Manual
(Rev. 1.0)