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Re: [Xen-devel] [PATCH 1/4] xen: build infrastructure for generating hypercall depending symbols
- To: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, konrad.wilk@xxxxxxxxxx, david.vrabel@xxxxxxxxxx, tglx@xxxxxxxxxxxxx, mingo@xxxxxxxxxx, hpa@xxxxxxxxx, mmarek@xxxxxxx, linux-kbuild@xxxxxxxxxxxxxxx
- From: Juergen Gross <jgross@xxxxxxxx>
- Date: Mon, 15 Dec 2014 06:20:42 +0100
- Delivery-date: Mon, 15 Dec 2014 05:21:20 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
On 12/12/2014 11:48 PM, Boris Ostrovsky wrote:
On 12/11/2014 01:04 PM, Juergen Gross wrote:
diff --git a/scripts/xen-hypercalls.sh b/scripts/xen-hypercalls.sh
new file mode 100644
index 0000000..e6447b7
--- /dev/null
+++ b/scripts/xen-hypercalls.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+out="$1"
+shift
+in="$@"
+
+for i in $in; do
+ eval $CPP $LINUXINCLUDE -dD -imacros "$i" -x c /dev/null
+done | \
+awk '$1 == "#define" && $2 ~ /__HYPERVISOR_[a-z][a-z_0-9]*/ { v[$3] =
$2 }
+ END {for (i in v) if (!(v[i] in v))
+ print "HYPERCALL("substr(v[i], 14)")"}' | sort -u >$out
Why do you 'sort -u'? Do you expect multiple definitions of the same
hypercall?
Paranoia related to the use of wildcards for files scanned:
$(srctree)/include/xen/interface/xen*.h
Juergen
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