Texas Instruments TMS320C54x, User Manual

Page: 361 / 469

Section Header Structure
A-7 Common Object File Format
A.4 Section Header Structure
COFF object files contain a table of section headers that define where each
section begins in the object file. Each section has its own section header. The
COFF1 and COFF2 file types contain different section header information.
Table A–4 shows the section header contents for COFF1 files. Table A–5
shows the section header contents for COFF2 files.
Table A–4. Section Header Contents for COFF1 Files
Byte Type Description
0–7 Character 8-character section name, padded with nulls
8–11 Long integer Section’s physical address
12–15 Long integer Section’s virtual address
16–19 Long integer Section size in words
20–23 Long integer File pointer to raw data
24–27 Long integer File pointer to relocation entries
28–31 Long integer File pointer to line-number entries
32–33 Unsigned short integer Number of relocation entries
34–35 Unsigned short integer Number of line-number entries
36–37 Unsigned short integer Flags (see Table A–6)
38 Character Reserved
39 Character Memory page number
Table A–5. Section Header Contents for COFF2 Files
Byte Type Description
0–7 Character 8-character section name, padded with nulls
8–11 Long integer Section’s physical address
12–15 Long integer Section’s virtual address
16–19 Long integer Section size in words
20–23 Long integer File pointer to raw data
24–27 Long integer File pointer to relocation entries
28–31 Long integer File pointer to line-number entries
32–35 Unsigned long Number of relocation entries
36–39 Unsigned long Number of line-number entries
40–43 Unsigned long Flags (see Table A–6)
44–45 Short Reserved
46–47 Short Memory page number