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Subject[RFC PATCH v2 2/3] kbuild: Sort ORC unwind tables in vmlinux link phase
Date
From: Shile Zhang <shile.zhang@linux.alibaba.com>

Sort the ORC unwind tables in vmlinux link phase, only for ORC unwinder.

Signed-off-by: Shile Zhang <shile.zhang@linux.alibaba.com>
---
scripts/link-vmlinux.sh | 14 ++++++++++++++
1 file changed, 14 insertions(+)

diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index 06495379fcd8..dea7797fcbdc 100755
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
@@ -183,6 +183,11 @@ sortextable()
${objtree}/scripts/sortextable ${1}
}

+sortorctable()
+{
+ ${objtree}/scripts/sortorctable ${1}
+}
+
# Delete output files in case of error
cleanup()
{
@@ -303,6 +308,15 @@ if [ -n "${CONFIG_BUILDTIME_EXTABLE_SORT}" ]; then
sortextable vmlinux
fi

+if [ -n "${CONFIG_UNWINDER_ORC}" ]; then
+ info SORTORC vmlinux
+ if ! sortorctable vmlinux; then
+ echo >&2 Failed to sort ORC unwind tables
+ echo >&2 Check what is wrong and try again
+ exit 1
+ fi
+fi
+
info SYSMAP System.map
mksysmap vmlinux System.map

--
2.24.0.rc2
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