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-rwxr-xr-xscripts/check-software-div.sh22
1 files changed, 22 insertions, 0 deletions
diff --git a/scripts/check-software-div.sh b/scripts/check-software-div.sh
new file mode 100755
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--- /dev/null
+++ b/scripts/check-software-div.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+# Check if a binary appears to have a software library divide operator
+
+CFGFILE="$1"
+ELFOBJ="$2"
+OBJDUMP=objdump
+
+objdump -t ${ELFOBJ} | grep -Eq '\<(__[a-z0-9]*div|__[a-z0-9]*mod)'
+if [ $? -eq 0 ]; then
+
+ if grep -Eq '^CONFIG_HAVE_SOFTWARE_DIVIDE_REQUIRED=y$' ${CFGFILE}; then
+ echo ""
+ echo "Software divide detected and that is normal for this chip"
+ echo ""
+ exit 0
+ fi
+
+ echo ""
+ echo "ERROR: A software run-time divide operation was found"
+ echo ""
+ exit 99
+fi