Merge remote branch 'linus/master' into x86/bootmem

1 files changed, 33 insertions, 0 deletions

diff --git a/arch/x86/tools/chkobjdump.awk b/arch/x86/tools/chkobjdump.awk
new file mode 100644
index 000000000000..fd1ab80be0de
--- /dev/null
+++ b/arch/x86/tools/chkobjdump.awk
@@ -0,0 +1,33 @@
+# GNU objdump version checker
+#
+# Usage:
+# objdump -v | awk -f chkobjdump.awk
+BEGIN {
+        # objdump version 2.19 or later is OK for the test.
+        od_ver = 2;
+        od_sver = 19;
+}
+
+/^GNU objdump/ {
+        verstr = ""
+        for (i = 3; i <= NF; i++)
+                if (match($(i), "^[0-9]")) {
+                        verstr = $(i);
+                        break;
+                }
+        if (verstr == "") {
+                printf("Warning: Failed to find objdump version number.\n");
+                exit 0;
+        }
+        split(verstr, ver, ".");
+        if (ver[1] > od_ver ||
+            (ver[1] == od_ver && ver[2] >= od_sver)) {
+                exit 1;
+        } else {
+                printf("Warning: objdump version %s is older than %d.%d\n",
+                       verstr, od_ver, od_sver);
+                print("Warning: Skipping posttest.");
+                # Logic is inverted, because we just skip test without error.
+                exit 0;
+        }
+}