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[Bug-mit-scheme] [bug #29288] .note.GNU-stack ELF section missing from c
From: |
William Throwe |
Subject: |
[Bug-mit-scheme] [bug #29288] .note.GNU-stack ELF section missing from cmpauxmd.o |
Date: |
Sun, 21 Mar 2010 20:40:02 +0000 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2) Gecko/20100309 Gentoo IceCat/3.6 (like Firefox/3.6) |
URL:
<http://savannah.gnu.org/bugs/?29288>
Summary: .note.GNU-stack ELF section missing from cmpauxmd.o
Project: MIT/GNU Scheme
Submitted by: wthrowe
Submitted on: Sun 21 Mar 2010 08:40:00 PM GMT
Category: microcode
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Originator Name:
Originator Email:
Open/Closed: Open
Discussion Lock: Any
Keywords:
_______________________________________________________
Details:
The hand-crafted assembly code used to generate cmpauxmd.o does not specify a
.note.GNU-stack section, leading to a scheme binary with executable stack.
Executable stack does not seem to be needed for proper functioning of the
binary.
I'm attaching a patch against version 9.0.1 for x86-64. I haven't tried to
address other architectures, but I assume they would have similar fixes. The
main change is adding a few lines at the end of x86-64.m4 and then
preprocessing the assembly code.
_______________________________________________________
File Attachments:
-------------------------------------------------------
Date: Sun 21 Mar 2010 08:40:00 PM GMT Name: 05_amd64_gnu-stack.patch Size:
1kB By: wthrowe
patch for x86-64
<http://savannah.gnu.org/bugs/download.php?file_id=19998>
_______________________________________________________
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