scripts/checkstack.pl lacks support for the riscv architecture. Add
support to detect "addi sp,sp,-FRAME_SIZE" stack frame generation instruction
Signed-off-by: Wadim Mueller <[email protected]>
---
scripts/checkstack.pl | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
index d2c38584ece6..d48dfed6d3db 100755
--- a/scripts/checkstack.pl
+++ b/scripts/checkstack.pl
@@ -16,6 +16,7 @@
# AArch64, PARISC ports by Kyle McMartin
# sparc port by Martin Habets <[email protected]>
# ppc64le port by Breno Leitao <[email protected]>
+# riscv port by Wadim Mueller <[email protected]>
#
# Usage:
# objdump -d vmlinux | scripts/checkstack.pl [arch]
@@ -108,6 +109,9 @@ my (@stack, $re, $dre, $sub, $x, $xs, $funcre, $min_stack);
} elsif ($arch eq 'sparc' || $arch eq 'sparc64') {
# f0019d10: 9d e3 bf 90 save %sp, -112, %sp
$re = qr/.*save.*%sp, -(([0-9]{2}|[3-9])[0-9]{2}), %sp/o;
+ } elsif ($arch =~ /^riscv(64)?$/) {
+ #ffffffff8036e868: c2010113 addi sp,sp,-992
+ $re = qr/.*addi.*sp,sp,-(([0-9]{2}|[3-9])[0-9]{2})/o;
} else {
print("wrong or unknown architecture \"$arch\"\n");
exit
--
2.25.1
On 13/07/2022 20:41, Wadim Mueller wrote:
> [You don't often get email from [email protected]. Learn why this is important at https://aka.ms/LearnAboutSenderIdentification ]
>
I feel like you might've been mislead by get_maintainer for this
patch. It looks like the maintainer covering this is Masahiro
Yamada <[email protected]> (at least he's taken the last few
patches for it).
I'll be honest, I don't know how to verify that the output is
correct - but I did run it & it does output something that looks
sane /shrug
Thanks,
Conor.
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>
> scripts/checkstack.pl lacks support for the riscv architecture. Add
> support to detect "addi sp,sp,-FRAME_SIZE" stack frame generation instruction
>
> Signed-off-by: Wadim Mueller <[email protected]>
> ---
> scripts/checkstack.pl | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
> index d2c38584ece6..d48dfed6d3db 100755
> --- a/scripts/checkstack.pl
> +++ b/scripts/checkstack.pl
> @@ -16,6 +16,7 @@
> # AArch64, PARISC ports by Kyle McMartin
> # sparc port by Martin Habets <[email protected]>
> # ppc64le port by Breno Leitao <[email protected]>
> +# riscv port by Wadim Mueller <[email protected]>
> #
> # Usage:
> # objdump -d vmlinux | scripts/checkstack.pl [arch]
> @@ -108,6 +109,9 @@ my (@stack, $re, $dre, $sub, $x, $xs, $funcre, $min_stack);
> } elsif ($arch eq 'sparc' || $arch eq 'sparc64') {
> # f0019d10: 9d e3 bf 90 save %sp, -112, %sp
> $re = qr/.*save.*%sp, -(([0-9]{2}|[3-9])[0-9]{2}), %sp/o;
> + } elsif ($arch =~ /^riscv(64)?$/) {
> + #ffffffff8036e868: c2010113 addi sp,sp,-992
> + $re = qr/.*addi.*sp,sp,-(([0-9]{2}|[3-9])[0-9]{2})/o;
> } else {
> print("wrong or unknown architecture \"$arch\"\n");
> exit
> --
> 2.25.1
>
>
> _______________________________________________
> linux-riscv mailing list
> [email protected]
> http://lists.infradead.org/mailman/listinfo/linux-riscv
On Tue, Jul 26, 2022 at 2:40 AM <[email protected]> wrote:
>
> On 13/07/2022 20:41, Wadim Mueller wrote:
> > [You don't often get email from [email protected]. Learn why this is important at https://aka.ms/LearnAboutSenderIdentification ]
> >
>
> I feel like you might've been mislead by get_maintainer for this
> patch. It looks like the maintainer covering this is Masahiro
> Yamada <[email protected]> (at least he's taken the last few
> patches for it).
I can pick this up.
Applied to linux-kbuild. Thanks.
>
> I'll be honest, I don't know how to verify that the output is
> correct - but I did run it & it does output something that looks
> sane /shrug
>
> Thanks,
> Conor.
>
> > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> >
> > scripts/checkstack.pl lacks support for the riscv architecture. Add
> > support to detect "addi sp,sp,-FRAME_SIZE" stack frame generation instruction
> >
> > Signed-off-by: Wadim Mueller <[email protected]>
> > ---
> > scripts/checkstack.pl | 4 ++++
> > 1 file changed, 4 insertions(+)
> >
> > diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
> > index d2c38584ece6..d48dfed6d3db 100755
> > --- a/scripts/checkstack.pl
> > +++ b/scripts/checkstack.pl
> > @@ -16,6 +16,7 @@
> > # AArch64, PARISC ports by Kyle McMartin
> > # sparc port by Martin Habets <[email protected]>
> > # ppc64le port by Breno Leitao <[email protected]>
> > +# riscv port by Wadim Mueller <[email protected]>
> > #
> > # Usage:
> > # objdump -d vmlinux | scripts/checkstack.pl [arch]
> > @@ -108,6 +109,9 @@ my (@stack, $re, $dre, $sub, $x, $xs, $funcre, $min_stack);
> > } elsif ($arch eq 'sparc' || $arch eq 'sparc64') {
> > # f0019d10: 9d e3 bf 90 save %sp, -112, %sp
> > $re = qr/.*save.*%sp, -(([0-9]{2}|[3-9])[0-9]{2}), %sp/o;
> > + } elsif ($arch =~ /^riscv(64)?$/) {
> > + #ffffffff8036e868: c2010113 addi sp,sp,-992
> > + $re = qr/.*addi.*sp,sp,-(([0-9]{2}|[3-9])[0-9]{2})/o;
> > } else {
> > print("wrong or unknown architecture \"$arch\"\n");
> > exit
> > --
> > 2.25.1
> >
> >
> > _______________________________________________
> > linux-riscv mailing list
> > [email protected]
> > http://lists.infradead.org/mailman/listinfo/linux-riscv
>
--
Best Regards
Masahiro Yamada
Hi Conor, Hi Masahiro,
thank you for your support. Your help is much appreciated.
Best Regards
Wadim
On Tue, Jul 26, 2022 at 01:47:47PM +0900, Masahiro Yamada wrote:
> On Tue, Jul 26, 2022 at 2:40 AM <[email protected]> wrote:
> >
> > On 13/07/2022 20:41, Wadim Mueller wrote:
> > > [You don't often get email from [email protected]. Learn why this is important at https://aka.ms/LearnAboutSenderIdentification ]
> > >
> >
> > I feel like you might've been mislead by get_maintainer for this
> > patch. It looks like the maintainer covering this is Masahiro
> > Yamada <[email protected]> (at least he's taken the last few
> > patches for it).
>
>
> I can pick this up.
>
> Applied to linux-kbuild. Thanks.
>
>
> >
> > I'll be honest, I don't know how to verify that the output is
> > correct - but I did run it & it does output something that looks
> > sane /shrug
> >
> > Thanks,
> > Conor.
> >
> > > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> > >
> > > scripts/checkstack.pl lacks support for the riscv architecture. Add
> > > support to detect "addi sp,sp,-FRAME_SIZE" stack frame generation instruction
> > >
> > > Signed-off-by: Wadim Mueller <[email protected]>
> > > ---
> > > scripts/checkstack.pl | 4 ++++
> > > 1 file changed, 4 insertions(+)
> > >
> > > diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
> > > index d2c38584ece6..d48dfed6d3db 100755
> > > --- a/scripts/checkstack.pl
> > > +++ b/scripts/checkstack.pl
> > > @@ -16,6 +16,7 @@
> > > # AArch64, PARISC ports by Kyle McMartin
> > > # sparc port by Martin Habets <[email protected]>
> > > # ppc64le port by Breno Leitao <[email protected]>
> > > +# riscv port by Wadim Mueller <[email protected]>
> > > #
> > > # Usage:
> > > # objdump -d vmlinux | scripts/checkstack.pl [arch]
> > > @@ -108,6 +109,9 @@ my (@stack, $re, $dre, $sub, $x, $xs, $funcre, $min_stack);
> > > } elsif ($arch eq 'sparc' || $arch eq 'sparc64') {
> > > # f0019d10: 9d e3 bf 90 save %sp, -112, %sp
> > > $re = qr/.*save.*%sp, -(([0-9]{2}|[3-9])[0-9]{2}), %sp/o;
> > > + } elsif ($arch =~ /^riscv(64)?$/) {
> > > + #ffffffff8036e868: c2010113 addi sp,sp,-992
> > > + $re = qr/.*addi.*sp,sp,-(([0-9]{2}|[3-9])[0-9]{2})/o;
> > > } else {
> > > print("wrong or unknown architecture \"$arch\"\n");
> > > exit
> > > --
> > > 2.25.1
> > >
> > >
> > > _______________________________________________
> > > linux-riscv mailing list
> > > [email protected]
> > > http://lists.infradead.org/mailman/listinfo/linux-riscv
> >
>
>
> --
> Best Regards
> Masahiro Yamada