Date: Mon, 22 Jun 1998 10:29:39 +0200
From: Xavier Leroy <Xavier.Leroy@inria.fr>
To: "Michael Sperber [Mr. Preprocessor]" <email@example.com>,
Subject: Re: Byterun question
In-Reply-To: <firstname.lastname@example.org>; from Michael Sperber [Mr. Preprocessor] on Tue, Jun 16, 1998 at 04:39:42PM +0200
> byterun/fix_code.c refers to STOP as the instructions with the highest
> opcode all over the place. Yet, byterun/instruct.h list EVENT and
> BREAK after STOP. Could someone illuminate?
My pleasure. The EVENT and BREAK opcodes never occur in a bytecode
executable file. They are inserted by the debugger by run-time
modification of the bytecode. Hence, the program loading code in
byterun/fix_code.c always sees opcodes that are <= STOP.
- Xavier Leroy
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