summaryrefslogtreecommitdiff
path: root/arch/ia64/scripts/unwcheck.py
diff options
context:
space:
mode:
Diffstat (limited to 'arch/ia64/scripts/unwcheck.py')
-rw-r--r--arch/ia64/scripts/unwcheck.py65
1 files changed, 0 insertions, 65 deletions
diff --git a/arch/ia64/scripts/unwcheck.py b/arch/ia64/scripts/unwcheck.py
deleted file mode 100644
index c55276e31b6b..000000000000
--- a/arch/ia64/scripts/unwcheck.py
+++ /dev/null
@@ -1,65 +0,0 @@
-#!/usr/bin/python
-# SPDX-License-Identifier: GPL-2.0
-#
-# Usage: unwcheck.py FILE
-#
-# This script checks the unwind info of each function in file FILE
-# and verifies that the sum of the region-lengths matches the total
-# length of the function.
-#
-# Based on a shell/awk script originally written by Harish Patil,
-# which was converted to Perl by Matthew Chapman, which was converted
-# to Python by David Mosberger.
-#
-import os
-import re
-import sys
-
-if len(sys.argv) != 2:
- print("Usage: %s FILE" % sys.argv[0])
- sys.exit(2)
-
-readelf = os.getenv("READELF", "readelf")
-
-start_pattern = re.compile("<([^>]*)>: \[0x([0-9a-f]+)-0x([0-9a-f]+)\]")
-rlen_pattern = re.compile(".*rlen=([0-9]+)")
-
-def check_func (func, slots, rlen_sum):
- if slots != rlen_sum:
- global num_errors
- num_errors += 1
- if not func: func = "[%#x-%#x]" % (start, end)
- print("ERROR: %s: %lu slots, total region length = %lu" % (func, slots, rlen_sum))
- return
-
-num_funcs = 0
-num_errors = 0
-func = False
-slots = 0
-rlen_sum = 0
-for line in os.popen("%s -u %s" % (readelf, sys.argv[1])):
- m = start_pattern.match(line)
- if m:
- check_func(func, slots, rlen_sum)
-
- func = m.group(1)
- start = int(m.group(2), 16)
- end = int(m.group(3), 16)
- slots = 3 * (end - start) / 16
- rlen_sum = 0
- num_funcs += 1
- else:
- m = rlen_pattern.match(line)
- if m:
- rlen_sum += int(m.group(1))
-check_func(func, slots, rlen_sum)
-
-if num_errors == 0:
- print("No errors detected in %u functions." % num_funcs)
-else:
- if num_errors > 1:
- err="errors"
- else:
- err="error"
- print("%u %s detected in %u functions." % (num_errors, err, num_funcs))
- sys.exit(1)