Intel XENIX 286 Programmers Guide (86) - Tenox.tc

XENIX Programm ing cc: C Compiler
each routine in the program and copies this information to the mon.out file.
This file can be exam ined using the prof command. Profiling is supported only
in small model.
-pack Packs structure members. Caution should be taken when using the pack option
because structures are no longer word-aligned.
-i Creates separate instruction and data spaces for small model programs. When
the output file is executed, the program text and data areas are allocated
separate physical segments. The text portion will be read-only and may be
shared by all users executing the file. The option is implied when creating
middle, large, or huge model programs.
-F num
Sets the size of the program stack to num bytes. Default stack size if not given
is 4K bytes.
-K Removes stack probes from a program. Stack probes are used to detect stack
overflow on entry to program routines.
-nl num
Sets the maximum length of external symbols to num. Names longer than num
are truncated before being copied to the external symbol table.
-Alfu Same as -Ml, plus saves/restores the value of the ds register before and after
procedure calls. The value is saved on the stack.
-Alhu Same as -Mh, plus saves/restores the value of the ds register before and after
procedure calls. The value is saved on the stack.
-M string
Sets the program configuration. This configuration defines the program's
memory model, word order, and data threshold. It also enables C language
enhancements such as advanced instruction sets and keywords. string may be
any combination of the following (except that the s, m, I, and h options are
mutually exclusive, as are 0, 1, and 2).
s Creates a small model program (default).
m Creates a middle model program.
1 Creates a large model program.
h Creates a huge model program.
e Enables these keywords: far, near, pascal, and fortran.
0 Enables 86 code generation.
1 Enables 186 code generation.
2 Enables 286 code generation (default).
b Reverses the word order for long types. High order word is first.
Default is low order word first.
t num Sets the size of the largest data item in the data group to num. Default
is 32,767. Items larger than this threshold are placed in another
segment.
2-2 1