-#!/usr/bin/python
+#!/usr/bin/env python
#
# Copyright 2004 Matt Mackall <mpm@selenic.com>
#
-# inspired by perl Bloat-O-Meter (c) 1997 by Andi Kleen
+# Inspired by perl Bloat-O-Meter (c) 1997 by Andi Kleen
#
# This software may be used and distributed according to the terms
# of the GNU General Public License, incorporated herein by reference.
-import sys, os#, re
+import sys, os
def usage():
- sys.stderr.write("usage: %s [-t] file1 file2\n" % sys.argv[0])
- sys.exit(-1)
+ sys.stderr.write("usage: %s [-t] file1 file2 [-- <readelf options>]\n"
+ % sys.argv[0])
+ sys.stderr.write("\t-t\tShow time spent on parsing/processing\n")
+ sys.stderr.write("\t--\tPass additional parameters to readelf\n")
+ sys.exit(1)
f1, f2 = (None, None)
flag_timing, dashes = (False, False)
f1 = f
elif f2 is None:
f2 = f
+ else:
+ usage()
if flag_timing:
import time
if f1 is None or f2 is None:
sym_args = " ".join(sys.argv[3 + flag_timing + dashes:])
def getsizes(file):
sym, alias, lut = {}, {}, {}
- #dynsym_filter = re.compile("^\d+:\s+[\dA-Fa-f]+\s+\d+\s+\w+\s+\w+\s+\w+\s+\w+\s+\w+$")
for l in os.popen("readelf -W -s %s %s" % (sym_args, file)).readlines():
- if True:
- l = l.strip()
- if not (len(l) and l[0].isdigit() and len(l.split()) == 8):
- continue
- num, value, size, typ, bind, vis, ndx, name = l.split()
- if ndx == "UND": continue # skip undefined
- if typ in ["SECTION", "FILES"]: continue # skip sections and files
- #else:
- # l = l.strip()
- # match = dynsym_filter.match(l)
- # if not match: continue
- # x, value, size, typ, bind, x, ndx, name = l.split()
- # if ndx == "UND": continue # skip undefined
- # if typ in ["SECTION", "FILES"]: continue # skip sections and files
+ l = l.strip()
+ if not (len(l) and l[0].isdigit() and len(l.split()) == 8):
+ continue
+ num, value, size, typ, bind, vis, ndx, name = l.split()
+ if ndx == "UND": continue # skip undefined
+ if typ in ["SECTION", "FILES"]: continue # skip sections and files
if "." in name: name = "static." + name.split(".")[0]
value = int(value, 16)
- size = int(size)
+ size = int(size, 16) if size.startswith('0x') else int(size)
if vis != "DEFAULT" and bind != "GLOBAL": # see if it is an alias
alias[(value, size)] = {"name" : name}
else:
sym[name] = {"addr" : value, "size": size}
lut[(value, size)] = 0
- for addr, sz in alias.iterkeys():
+ for addr, sz in iter(alias.keys()):
# If the non-GLOBAL sym has an implementation elsewhere then
# it's an alias, disregard it.
if not (addr, sz) in lut:
grow, shrink, add, remove, up, down = 0, 0, 0, 0, 0, 0
delta, common = [], {}
-for name in old.iterkeys():
+for name in iter(old.keys()):
if name in new:
common[name] = 1
if flag_timing:
end_t3 = int(time.time() * 1e9)
-print "%-48s %7s %7s %+7s" % ("function", "old", "new", "delta")
+print("%-48s %7s %7s %+7s" % ("function", "old", "new", "delta"))
for d, n in delta:
if d:
old_sz = old.get(n, {}).get("size", "-")
new_sz = new.get(n, {}).get("size", "-")
- print "%-48s %7s %7s %+7d" % (n, old_sz, new_sz, d)
-print "-"*78
+ print("%-48s %7s %7s %+7d" % (n, old_sz, new_sz, d))
+print("-"*78)
total="(add/remove: %s/%s grow/shrink: %s/%s up/down: %s/%s)%%sTotal: %s bytes"\
% (add, remove, grow, shrink, up, -down, up-down)
-print total % (" "*(80-len(total)))
+print(total % (" "*(80-len(total))))
if flag_timing:
print("\n%d/%d; %d Parse origin/new; processing nsecs" %
(end_t1-start_t1, end_t2-start_t2, end_t3-start_t3))