supermin/0001-bin2s-Remove-_size-since-it-can-be-computed-from-_st.patch
2016-01-12 19:08:38 +00:00

76 lines
1.8 KiB
Diff

From 7cff794d82076df70dde7a851937fc7bf93fdf44 Mon Sep 17 00:00:00 2001
From: "Richard W.M. Jones" <rjones@redhat.com>
Date: Tue, 12 Jan 2016 11:07:57 +0000
Subject: [PATCH 1/2] bin2s: Remove _size, since it can be computed from _start
and _end.
Also declare the _start and _end as uint8_t instead of char, since
they refer to an array of bytes.
See discussion here:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=809185
---
src/bin2s.pl | 8 --------
src/ext2init-c.c | 5 +++--
2 files changed, 3 insertions(+), 10 deletions(-)
diff --git a/src/bin2s.pl b/src/bin2s.pl
index db6db26..8558126 100755
--- a/src/bin2s.pl
+++ b/src/bin2s.pl
@@ -39,7 +39,6 @@ print $ofh <<"EOF";
\t.globl\t_binary_${infile}_start
\t.globl\t_binary_${infile}_end
-\t.globl\t_binary_${infile}_size
\t.section\t.rodata
_binary_${infile}_start:
@@ -55,14 +54,7 @@ die "read $infile (at offset $sz): $!\n" if not defined $i;
close $ifh;
print $ofh <<"EOF";
-
_binary_${infile}_end:
-
-#if defined(__hppa__)
-\t_binary_${infile}_size: .equ $sz
-#else
-\t.equ _binary_${infile}_size, $sz
-#endif
EOF
close $ofh;
diff --git a/src/ext2init-c.c b/src/ext2init-c.c
index c310ed2..66ad254 100644
--- a/src/ext2init-c.c
+++ b/src/ext2init-c.c
@@ -20,6 +20,7 @@
#include <stdio.h>
#include <stdlib.h>
+#include <stdint.h>
#include <string.h>
#include <caml/alloc.h>
@@ -28,14 +29,14 @@
/* The init binary.
* See: bin2s.pl, init.c.
*/
-extern char _binary_init_start, _binary_init_end, _binary_init_size;
+extern uint8_t _binary_init_start, _binary_init_end;
value
supermin_binary_init (value unitv)
{
CAMLparam1 (unitv);
CAMLlocal1 (sv);
- size_t n = (size_t) &_binary_init_size;
+ size_t n = &_binary_init_end - &_binary_init_start;
sv = caml_alloc_string (n);
memcpy (String_val (sv), &_binary_init_start, n);
--
2.5.0