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| author |   Wadim Mueller <wafgo01@gmail.com> | 2022-07-13 21:41:10 +0200 |
|---|---|---|
| committer |   Masahiro Yamada <masahiroy@kernel.org> | 2022-07-27 21:18:00 +0900 |
| commit | 1fd49a0b5c4330ceefef4de498cec271e240aaf1 (patch) | |
| tree | 6628e48f7b93692a901007987352f7b81769d679 | |
| parent | kconfig: shorten the temporary directory name for cc-option (diff) | |
| download | linux-dev-1fd49a0b5c4330ceefef4de498cec271e240aaf1.tar.xz linux-dev-1fd49a0b5c4330ceefef4de498cec271e240aaf1.zip | |
checkstack: add riscv support for scripts/checkstack.pl
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 <wafgo01@gmail.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
| -rwxr-xr-x | scripts/checkstack.pl | 4 |
1 files changed, 4 insertions, 0 deletions
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 <errandir_news@mph.eclipse.co.uk> # ppc64le port by Breno Leitao <leitao@debian.org> +# riscv port by Wadim Mueller <wafgo01@gmail.com> # # 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 |