HLASM Language Reference

ENTRY Instruction
should be a date in the format “YYDDD.” It is intended to be the compile date.
For example:
END ENTRYPT,(MYCOMPILER,11,273)
Notes:
1. If the END instruction is omitted, one is generated by the assembler, and
message ASMA14W END record missing is issued.
2. Refer to the note on page 341 about lookahead processing, and the effect it
has on generated END statements.
3. If the END statement is not the last statement in the input stream, and the
BATCH option (see HLASM Programmer's Guide) has been specified, the
assembler will initiate assembly of a new source module when the current
assembly is completed.
ENTRY Instruction
The ENTRY instruction identifies symbols defined in one source module so that
they can be referred to in another source module. These symbols are entry
symbols.
┌─,───────────┐
►►──┬─────────────────┬──ENTRY─── ▼ ─entry_point─┴────────────────────►◄
└─sequence_symbol─┘
sequence_symbol
is a sequence symbol.
entry_point
is a relocatable symbol that:
Is a valid symbol
Is defined in an executable control section
Is not defined in a dummy control section, a common control section, or an
external control section
Up to 65535 individual control sections, external symbols, and external dummy
sections can be defined in a source module. However, the practical maximum
number depends on the amount of table storage available to the program that links
the object module.
The assembler lists each entry symbol of a source module in an external symbol
dictionary, along with entries for external symbols, common control sections, parts,
and external control sections.
A symbol used as the name entry of a START or CSECT instruction is also
automatically considered an entry symbol, and does not have to be identified by an
ENTRY instruction.
The length attribute value of entry symbols is the same as the length attribute value
of the symbol at its point of definition.
Chapter 5. Assembler Instruction Statements 183