https://sourceware.org/bugzilla/show_bug.cgi?id=16744
Bug ID: 16744
Summary: '-z noexecstack' does not add .note.GNU-stack for
relocatables
Product: binutils
Version: 2.24
Status: NEW
Severity: normal
Priority: P2
Component: ld
Assignee: unassigned at sourceware dot org
Reporter: dh.herrmann at gmail dot com
Hi
I use the following two lines to convert a binary file into an object file:
>
> ld -r -o file.o -z noexecstack --format=binary file.bin
> objcopy --rename-section .data=.rodata,alloc,load,readonly,data,contents
> file.o
>
That used to work well until someone reported that recent binutils versions no
longer honor the "-z noexecstack" flag in this example. I can do a bisect if
needed, all I know is that it doesn't work with >=2.23.
As a workaround, adding '--section-start=.note.GNU-stack=0' works, but isn't
that what "-z noexecstack" is supposed to do in that case?
If that change was intentional, what am I supposed to pass to "ld" with
"--format=binary" to mark it as not requiring an executable stack?
Thanks
David
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