Troubleshooting the linker, How do i speed up the linker, How much memory is my program using – Zilog ZUSBOPTS User Manual
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Troubleshooting the Linker
Zilog Developer Studio II – ZNEO™
User Manual
295
Troubleshooting the Linker
Review the following questions to learn more about common situations you may encoun-
ter when using the linker.
How do I speed up the linker?
Use the following tips to lower linker execution times:
•
If you do not need a link map file, deselect the
Generate Map File
checkbox in the
Project Settings
dialog box (
Output
page); see
•
Make sure that all DOS windows are minimized.
How do I generate debug information without generating
code?
Use the COPY or CHANGE command in the linker to copy or change a segment to the
predefined NULL space. If you copy the segment to the NULL space, the region is still
allocated but no data is written for it. If you change the segment to the NULL space, the
region is not allocated at all.
The following examples are of commands in the linker command file:
COPYmyseg NULL
CHANGE myseg = NULL
How much memory is my program using?
Unless the
Generate Map File
checkbox is unchecked in the
Project Settings
dialog box
(
Output
page), the linker creates a link map file each time it is run. The link map file name
is the same as your executable file with the
.map
extension and resides in the same direc-
tory as your project file. The link map has a wealth of information about the memory
requirements of your program. Views of memory usage from the space, segment, and
module perspective are given as are the names and locations of all public symbols. See the
How do I create a hex file?
Select
Intel Hex32 Records
from the
Executable Formats
area in the
Project Settings
dialog box (see the