import sys, os, re
-if len(sys.argv) != 3:
+def usage():
sys.stderr.write("usage: %s file1 file2\n" % sys.argv[0])
sys.exit(-1)
+if len(sys.argv) < 3:
+ usage()
+
+for f in sys.argv[1:3]:
+ if not os.path.exists(f):
+ sys.stderr.write("Error: file '%s' does not exist\n" % f)
+ usage()
+
+nm_args = " ".join(sys.argv[3:])
def getsizes(file):
sym = {}
- for l in os.popen("nm --size-sort " + file).readlines():
- size, type, name = l[:-1].split()
- if type in "tTdDbB":
+ for l in os.popen("nm --size-sort %s %s" % (nm_args, file)).readlines():
+ l = l.strip()
+ # Skip empty lines
+ if not len(l): continue
+ # Skip archive members
+ if len(l.split()) == 1 and l.endswith(':'):
+ continue
+ size, type, name = l.split()
+ if type in "tTdDbBrR":
if "." in name: name = "static." + name.split(".")[0]
sym[name] = sym.get(name, 0) + int(size, 16)
+ for l in os.popen("readelf -S " + file).readlines():
+ x = l.split()
+ if len(x)<6 or x[1] != ".rodata": continue
+ sym[".rodata"] = int(x[5], 16)
return sym
old = getsizes(sys.argv[1])
delta.sort()
delta.reverse()
-print "add/remove: %s/%s grow/shrink: %s/%s up/down: %s/%s (%s)" % \
- (add, remove, grow, shrink, up, -down, up-down)
-print "%-40s %7s %7s %+7s" % ("function", "old", "new", "delta")
+print "%-48s %7s %7s %+7s" % ("function", "old", "new", "delta")
for d, n in delta:
- if d: print "%-40s %7s %7s %+7d" % (n, old.get(n,"-"), new.get(n,"-"), d)
-print "----------------------------------------------------------------"
-s=")"
-if (up-down)>=0: s="("
-print "Result :-%s%+7d" % (s, up-down)
+ if d: print "%-48s %7s %7s %+7d" % (n, old.get(n,"-"), new.get(n,"-"), 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)))