.th AS I 1/15/73 .sh NAME as \*- assembler .sh SYNOPSIS .bd as [ .bd \*- ] name ... .sh DESCRIPTION .it As assembles the concatenation of the named files. If the optional first argument .bd \*- is used, all undefined symbols in the assembly are treated as global. .s3 The output of the assembly is left on the file .bd "a.out." It is executable if no errors occurred during the assembly, and if there were no unresolved external references. .sh FILES /lib/as2 pass 2 of the assembler .br /tmp/atm[1-3]? temporary .br a.out object .sh "SEE ALSO" ld (I), nm (I), db (I), a.out (V), `UNIX Assembler Manual'. .sh DIAGNOSTICS 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: .s3 .ta 3 ) Parentheses error .br ] Parentheses error .br < String not terminated properly .br * Indirection used illegally .br .li \fB.\fR Illegal assignment to `\fB.\fR' .br A Error in address .br B Branch instruction is odd or too remote .br E Error in expression .br F Error in local (`f' or `b') type symbol .br G Garbage (unknown) character .br I End of file inside an if .br M Multiply defined symbol as label .br O Word quantity assembled at odd address .br P `\fB.\fR' different in pass 1 and 2 .br R Relocation error .br U Undefined symbol .br X Syntax error .br .sh BUGS Symbol table overflow is not checked. \fBx\fR errors can cause incorrect line numbers in following diagnostics.
