Instruction manual

ManualsBrandsVax ManualsHousehold Appliances613 0S

PRODUCT

PERFORMANCE

Issue 3 - Vol 2 USER

GROUP

NEWS

PROBLE"M

Only

root

can execute

the

directory

or

contents

of

/usr/include/sys.

CO}'1"~'1ENTS

\Vorkaround--change

attributes

of

/usr/include/sys

from 644 (drw-r--r--)

to

755 (drwxr-xr-x).

68000 :MOVEM

INST

ERROR

IN

ASSEMBLER

PRODUCT

68000 assembler

and

the

movem

with long

displacement

CONFIGURATION

8560

TNIX

version 1.4, 68000 assembler version 2.01-08

PROBLE"M

The

following movem

instruction

(an

undocumented

extension

of

the

instruction)

does

not

produce

correct

object

code

movem.l

- value (an),

#imm

movem.l-

value

(An,Xi),#imm

movem.l

- value

(pi),#imm

movem.1 - value

(pc,xi)#imm

The

object

code does

not

include the

displacement

value.

co~rMENTS

Workaround--use

register list form of

instruction

NON-CODE

GENERATING

SECTIONS

PRODUCT

Assembler

with

non code

generating

sections

CONFIGURATION

8560

TNIX

1.3 and 6801 assembler version 01.03-18

PROBLE}'1

After

linking,

the

assembler inserts

the

header

data

before the

actual

executable code.

The

load address will be

incorrect

if any section

contains

only non- code

generating

statements

(such as block

statement).

CO:M~IENTS

Avoid

the

use of sections which do

not

generate

any code; i.e. those which

contain

only block directives.

FIND

EXAMPLE

DANGEROUS

52

TEKTRONIX

December

1983