Signature information bytes

The tables in this topic show program signature information that is part of the listing of program initialization code provided when you use the LIST compiler option.

Table 1. **Compiler options in the INFO BYTE section**
Offset in decimal	Option	Value
00	`CODEPAGE`	CCSID value specified for EBCDIC code page
02	`ARCH`	8
		9
		10
		11
		12
		13
03	`OPTIMIZE`	0
		1
		2

The INFO BYTE section of the listing also provides the following values:

The number of DATA DIVISION statements
The number of PROCEDURE DIVISION statements

In the following table, different signature bytes represent different information:

Signature bytes 1-5, and 26-35 refer to compiler options
Signature bytes 6-7 refer to DATA DIVISION items
Signature byte 8 refers to ENVIRONMENT DIVISION items
Signature bytes 9-25 refer to PROCEDURE DIVISION statements and items

Table 2. **Signature information bytes**
Offset in decimal	Signature byte	Bit	Item
Offset in decimal	Signature byte	Bit	On	Off
04	28	0	`SQL`	`NOSQL`
		1	`CICS`	`NOCICS`
		2	`MDECK`	`NOMDECK`
		3	`SQLCCSID`	`NOSQLCCSID`
		4	`OPTFILE`	`NOOPTFILE`
		5	`XMLPARSE(XMLSS)`	`XMLPARSE(COMPAT)`
		6	`BLOCK0`	`NOBLOCK0`
		7	`DISPSIGN(SEP)`	`DISPSIGN(COMPAT)`
05	29	0	Program uses Java™-based OO syntax
		1	Program uses `RANDOM` function
		2	Program uses `NATIONAL` data (Unicode)
		3	`XML PARSE` with schema validation
		4	`STGOPT`	`NOSTGOPT`
		5	`AFP(VOLATILE)`	`AFP(NOVOLATILE)`
		6	`HGPR(PRESERVE)`	`HGPR(NOPRESERVE)`
		7	`NOTEST(DWARF)`	Not `NOTEST(DWARF)`
06	30	0	`QUALIFY(EXTEND)`	`QUALIFY(COMPAT)`
		1	`VLR(COMPAT)`	`VLR(STANDARD)`
		2	COPYRIGHT string specified	COPYRIGHT string not specified
		3	SERVICE string specified	SERVICE string not specified
		4	`INVDATA(FNC,x)`	Not `INVDATA(FNC,x)` Note: When bits 4 and 5 are both off, `NOINVDATA` is in effect.
		5	`INVDATA(NOFNC,x)`	Not `INVDATA(NOFNC,x)` Note: When bits 4 and 5 are both off, `NOINVDATA` is in effect
		6	`INVDATA(x,NOCS)`	INVDATA(x,CS), should be zero when bits 4 and 5 are zero.
		7	`NUMCHECK(ZON(LAX))`	`NUMCHECK(ZON(STRICT))`
07	31	0	`NUMCHECK(ZON)`	Not `NUMCHECK(ZON)`
		1	`NUMCHECK(PAC)`	Not `NUMCHECK(PAC)`
		2	`NUMCHECK(BIN)`	Not `NUMCHECK(BIN)`
				`NONUMCHECK` is in effect if bits 0, 1, and 2 are off
		3	`NUMCHECK(ABD)`	`NUMCHECK(MSG)` (if any bit of 0, 1, or 2 is on)
		4	`PARMCHECK`	`NOPARMCHECK`
		5	`PARMCHECK(ABD)` (if bit 4 is on)	`PARMCHECK(MSG)` (if bit 4 is on)
		6	`NUMCHECK(ZON(NOALPHNUM))`	`NUMCHECK(ZON(ALPHNUM))`
		7	`TEST\|NOTEST(SEPARATE(DSNAME))`	`TEST\|NOTEST(SEPARATE(NODSNAME))`
08	1	0	`ADV`	`NOADV`
		1	`APOST`	`QUOTE`
		2	`DATA(31)`	`DATA(24)`
		3	`DECK`	`NODECK`
		4	`DUMP`	`NODUMP`
		5	`DYNAM`	`NODYNAM`
		6	`FASTSRT`	`NOFASTSRT`
		7	`SQLIMS`	`NOSQLIMS`
09	2	0	`LIB` (always on)
		1	`LIST`	`NOLIST`
		2	`MAP(HEX)`, `MAP(DEC)`	`NOMAP`
		3	`NUM`	`NONUM`
		4	`OBJECT`	`NOOBJECT`
		5	`OFFSET`	`NOOFFSET`
		6	`OPT(1)`, `OPT(2)`	`NOOPT`, `OPT(0)`
		7	`OUTDD`	`NOOUTDD`
10	3	0	`NUMPROC(PFD)`	`NUMPROC(NOPFD)`
		1	`RENT`	`NORENT`
		2	`RESIDENT` (always on)
		3	`SEQUENCE`	`NOSEQUENCE`
		4	Reserved
		5	`SOURCE`	`NOSOURCE`
		6	Not `NOSSRANGE`	`NOSSRANGE`
		7	`TERM`	`NOTERM`
11	4	0	`TEST`	`NOTEST`
		1	`TRUNC(STD)`	Not `TRUNC(STD)`
		2	`WORD`	`NOWORD`
		3	`VBREF`	`NOVBREF`
		4	`XREF`	`NOXREF`
		5	`ZWB`	`NOZWB`
		6	`NAME`	`NONAME`
		7		`NOCMPR2` (always off)
12	5	0	Reserved
		1	`NUMCLS=ALT`	`NUMCLS=PRIM`
		2	`DBCS`	`NODBCS`
		3	`AWO`	`NOAWO`
		4	`TRUNC(BIN)`	Not `TRUNC(BIN)`
		5	`ADATA`	`NOADATA`
		6	`CURRENCY`	`NOCURRENCY`
		7	Compilation unit is a class	Compilation unit is a program
13	6	0	QSAM file descriptor
		1	VSAM sequential file descriptor
		2	VSAM indexed file descriptor
		3	VSAM relative file descriptor
		4	`CODE-SET` clause (ASCII files) in file descriptor
		5	Spanned records
		6	`PIC G` or `PIC N` (DBCS data item)
		7	`OCCURS DEPENDING ON` clause in data description entry
14	7	0	`SYNCHRONIZED` clause in data description entry
		1	`JUSTIFIED` clause in data description entry
		2	`USAGE IS POINTER` item
		3	Complex `OCCURS DEPENDING ON` clause
		4	External floating-point items in the `DATA DIVISION`
		5	Internal floating-point items in the `DATA DIVISION`
		6	Line-sequential file
		7	`USAGE IS PROCEDURE-POINTER` or `FUNCTION-POINTER` item
15	8	0	`FILE STATUS` clause in `FILE-CONTROL` paragraph
		1	`RERUN` clause in `I-O-CONTROL` paragraph of `INPUT-OUTPUT SECTION`
		2	`UPSI` switch defined in `SPECIAL-NAMES` paragraph
		3	WSOPT: Bit to indicate the method used by the compiler to manage `WORKING-STORAGE SECTION`. For more information, see COBOL-specific vendor interfaces in the z/OS® Language Environment® Vendor Interfaces.
		4	`VSAMOPENFS`
		5	1=`NUMCHECK(BIN(NOTRUNCBIN))` 0=`NUMCHECK(BIN(TRUNCBIN))`
16	9	0	`ACCEPT`
		1	`ADD`
		2	`ALTER`
		3	`CALL`
		4	`CANCEL`
		6	`CLOSE`
17	10	0	`COMPUTE`
		2	`DELETE`
		4	`DISPLAY`
		5	`DIVIDE`
18	11	1	`END-PERFORM`
		2	`ENTER`
		3	`ENTRY`
		4	`EXIT`
		5	`EXEC`
		6	`GO TO`
		7	`IF`
19	12	0	`INITIALIZE`
		1	`INVOKE`
		2	`INSPECT`
		3	`MERGE`
		4	`MOVE`
		5	`MULTIPLY`
		6	`OPEN`
		7	`PERFORM`
20	13	0	`READ`
		2	`RELEASE`
		3	`RETURN`
		4	`REWRITE`
		5	`SEARCH`
		7	`SET`
21	14	0	`SORT`
		1	`START`
		2	`STOP`
		3	`STRING`
		4	`SUBTRACT`
		7	`UNSTRING`
22	15	0	`USE`
		1	`WRITE`
		2	`CONTINUE`
		3	`END-ADD`
		4	`END-CALL`
		5	`END-COMPUTE`
		6	`END-DELETE`
		7	`END-DIVIDE`
23	16	0	`END-EVALUATE`
		1	`END-IF`
		2	`END-MULTIPLY`
		3	`END-READ`
		4	`END-RETURN`
		5	`END-REWRITE`
		6	`END-SEARCH`
		7	`END-START`
24	17	0	`END-STRING`
		1	`END-SUBTRACT`
		2	`END-UNSTRING`
		3	`END-WRITE`
		4	`GOBACK`
		5	`EVALUATE`
		7	`SERVICE`
25	18	0	`END-INVOKE`
		1	`END-EXEC`
		2	`XML`
		3	`END-XML`
		4	`ALLOCATE`
		5	`FREE`
		6	`JSON`
		7	`END-JSON`
26	19	0-7	Reserved
27	20	0-7	Reserved
28	21	0	Hexadecimal literal
		1	Altered `GO TO`
		2	`I-O ERROR` declarative
		3	`DECIMAL-POINT IS COMMA` clause
		4	`DEBUGGING` declarative
		5	Program segmentation
		6	`OPEN . . . EXTEND`
		7	`EXIT PROGRAM`
29	22	0	`CALL` literal
		1	`CALL` identifier
		2	`CALL . . . ON OVERFLOW`
		3	`CALL . . . LENGTH OF`
		4	`CALL . . . ADDRESS OF`
		5	`CLOSE . . . REEL/UNIT`
		6	Exponentiation used
		7	Floating-point items used
30	23	0	`COPY`
		1	`BASIS`
		2	DBCS name in program
		3	Shift-out and Shift-in in program
		4	`SUPPRESS\|NOSUPPRESS`
		5	`SSRANGE(ZLEN)` (if bit 6 in byte 3 is on)	`SSRANGE(NOZLEN)` (if bit 6 in byte 3 is on)
		6	`SSRANGE(ABD)` (if bit 6 in byte 3 is on)	`SSRANGE(MSG)` (if bit 6 in byte 3 is on)
		7	`INLINE\|NOINLINE`
40	24	0	DBCS literal
		1	`REPLACE`
		2	Reference modification was used.
		3	Nested program
		4	`INITIAL` (either `IS INITIAL` or compiler option `INITIAL`)
		5	`COMMON`
		6	`SELECT . . . OPTIONAL`
		7	`EXTERNAL`
41	25	0	`GLOBAL`
		1	`RECORD IS VARYING`
		2	`VOLATILE`
		3	Program uses UTF-8 data
		5	Intrinsic function was used
		6	Z-literal found
		7	RECURSIVE
42	26	0	`RMODE(ANY)`	Not `RMODE(ANY)`
		1-3	Reserved
		4	Reserved
		5	`INTDATE(LILIAN)`	`INTDATE(ANSI)`
		6	`TEST\|NOTEST(SEPARATE)`	`TEST\|NOTEST(NOSEPARATE)`
		7	Reserved
43	27	0	`PGMNAME(LONGUPPER)`	Not `PGMNAME(LONGUPPER)`
		1	`PGMNAME(LONGMIXED)`	Not `PGMNAME(LONGMIXED)`
		2	`DLL`	`NODLL`
		3	`EXPORTALL`	`NOEXPORTALL`
		4	`TEST\|NOTEST(SOURCE)`	`TEST\|NOTEST(NOSOURCE)`
		5	`ARITH(EXTEND)`	`ARITH(COMPAT)`
		6	`THREAD`	`NOTHREAD`
		7	`TEST(EJPD)`	`TEST(NOEJPD)`
44	28	0-7	Build level info
52	32	0	`LP(64)`	`LP(32)`
		1	Reserved
		2	`SOURCE(HEX)`	`SOURCE(DEC)`
		4-7	Reserved
53	33	0-7	Reserved
54	34	0-7	Reserved
55	35	0-7	`TUNE` architecture level

Check return code: A return code greater than 4 from the compiler could mean that some of the statements shown in the information bytes might have been discarded from the program.

Related references
LIST
z/OS Language Environment Vendor Interfaces (COBOL-specific vendor interfaces)