Unix |
Unix v6 |
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as(1) |
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as assembler [ ] name ... assembles the concatenation of
the named files. If the optional first argument is used, all
undefined symbols in the assembly are treated as global. The
output of the assembly is left on the file It is executable
if no errors occurred during the assembly, and if there were
no unresolved external references. /lib/as2 pass 2 of the
assembler
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/tmp/atm[1-3]? |
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temporary
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a.out |
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object ld (I), nm (I), db (I), a.out (V), ‘UNIX
Assembler Manual’. When an input file cannot be read,
its name followed by a question mark is typed and assembly
ceases. When syntactic or semantic errors occur, a
single-character diagnostic is typed out together with the
line number and the file name in which it occurred. Errors
in pass 1 cause cancellation of pass 2. The possible errors
are: |
) Parentheses error
] Parentheses error
< String not terminated properly
* Indirection used illegally
. Illegal assignment to ‘.’
A Error in address
B Branch instruction is odd or too remote
E Error in expression
F Error in local (‘f’ or ‘b’) type
symbol
G Garbage (unknown) character
I End of file inside an if
M Multiply defined symbol as label
O Word quantity assembled at odd address
P ‘.’ different in pass 1 and 2
R Relocation error
U Undefined symbol
X Syntax error
Symbol table overflow is not checked. x errors
can cause incorrect line numbers in following
diagnostics. |
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as(1) |
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