From: jacob gw <jacoblevgw@gmail.com>
To: 9front@9front.org
Subject: [9front] [PATCH] update a.out manpage to be 64 bit inclusive
Date: Sat, 05 Jun 2021 18:48:10 +0000 [thread overview]
Message-ID: <33B60BAB203E253CB0ADF62326A8CB5D@gmail.com> (raw)
---
diff fd9679d97b0bb7b8849f84f50c708d5f733708e1 ea21c85c5ced615ab90d7efca9a100596cf71333
--- a/sys/man/6/a.out Sat Jun 5 09:40:28 2021
+++ b/sys/man/6/a.out Sat Jun 5 14:48:10 2021
@@ -52,6 +52,10 @@
Sizes are expressed in bytes.
The size of the header is not included in any of the other sizes.
.PP
+There may be an extra 8 bytes after the header on 64 bit systems.
+These bytes represent the entry point in a 64 bit address space.
+You can tell that these will be there if magic & HDR_MAGIC.
+.PP
When a Plan 9 binary file is executed,
a memory image of three segments is
set up: the text segment, the data segment, and the stack.
@@ -93,7 +97,7 @@
entries, each laid out as:
.IP
.EX
-uchar value[4];
+uchar value[4]; /* value[8] on 64 bit systems */
char type;
char name[\f2n\fP]; /* NUL-terminated */
.EE
@@ -141,6 +145,9 @@
.TP
.B p
function parameter symbol
+.TP
+.B m
+frame symbol
.RE
.PD
.PP
next reply other threads:[~2021-06-09 22:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-05 18:48 jacob gw [this message]
2021-06-10 3:05 ` ori
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