X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/catacomb/blobdiff_plain/00b52725bf15e844360d07248de1d8cbbc1e165e..c85d18294c18f1b4a80c535789b991f700ea1bd7:/base/regdump-arm64.S

diff --git a/base/regdump-arm64.S b/base/regdump-arm64.S
index 183d38f0..1dacf2c8 100644
--- a/base/regdump-arm64.S
+++ b/base/regdump-arm64.S
@@ -119,7 +119,8 @@ FUNC(regdump_xtsave)
   endprologue
 	// On entry, sp points to an extended save area, of size determined
 	// by `regdump_gpsave' above.  On exit, the save area is filled in
-	// and a handy map placed at its base.
+	// and a handy map placed at its base, and x21 is left pointing
+	// pointing to the register map.
 
 	// Set up the map/extended save area pointer.
 	mov	x21, sp