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-rw-r--r--scripts/data/localplt-generic.data3
1 files changed, 3 insertions, 0 deletions
diff --git a/scripts/data/localplt-generic.data b/scripts/data/localplt-generic.data
index 2219aa9048..d2965199f3 100644
--- a/scripts/data/localplt-generic.data
+++ b/scripts/data/localplt-generic.data
@@ -1,3 +1,6 @@
+# See scripts/check-localplt.awk for how this file is processed.
+# PLT use is required for the malloc family and for matherr because
+# users can define their own functions and have library internals call them.
 libc.so: calloc
 libc.so: free
 libc.so: malloc