https://sourceware.org/bugzilla/show_bug.cgi?id=29954
Bug ID: 29954
Summary: bpf sim tests fail due to linker triggering LOAD
segment with RWX permissions test by default
Product: binutils
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: ld
Assignee: unassigned at sourceware dot org
Reporter: vapier at gentoo dot org
CC: jose.marchesi at oracle dot com, nickc at redhat dot com
Target Milestone: ---
Target: bpf
using the bpf target, the sim testsuite fails now due to linker warnings ever
since this change:
https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=ba951afb99912da01a6e8434126b8fac7aa75107
Author: Nick Clifton <[email protected]>
Date: Tue May 3 11:42:24 2022 +0100
Add a linker warning when creating potentially dangerous executable segments.
Add tests, options to disabke and configure switches to choose defaults.
simple test:
$ cat test.s
.bss
.space 64
_stack:
.data
pass:
.string "pass\n"
.text
.global _start
_start:
.byte 0x00
$ ./gas/as-new test.s -o test.o
$ ./ld/ld-new test.o -Ttext=0x0 -o test
./ld/ld-new: warning: test has a LOAD segment with RWX permissions
i know the use of -Ttext=0 is a bit odd, but it's what the bpf sim testsuite is
doing. i'll leave it to Jose to figure out what the right approach is here.
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