-#!/usr/bin/env python
+#!/usr/bin/env python3
# SPDX-License-Identifier: BSD-3-Clause
# Copyright(c) 2016 Neil Horman <nhorman@tuxdriver.com>
# Utility to dump PMD_INFO_STRING support from an object file
#
# -------------------------------------------------------------------------
-from __future__ import print_function
-from __future__ import unicode_literals
import json
-import io
import os
import platform
-import string
import sys
+import argparse
from elftools.common.exceptions import ELFError
from elftools.common.py3compat import byte2int
from elftools.elf.elffile import ELFFile
-from optparse import OptionParser
+
# For running from development directory. It should take precedence over the
# installed pyelftools.
# ===========================================
-
class Vendor:
"""
Class for vendors. This is the top level class
except:
if (subven == "ffff" and subdev == "ffff"):
return SubDevice("ffff", "ffff", "(All Subdevices)")
- else:
- return SubDevice(subven, subdev, "(Unknown Subdevice)")
+ return SubDevice(subven, subdev, "(Unknown Subdevice)")
class SubDevice:
return None
def parse(self):
- if len(self.contents) < 1:
+ if not self.contents:
print("data/%s-pci.ids not found" % self.date)
else:
vendorID = ""
for l in self.contents:
if l[0] == "#":
continue
- elif len(l.strip()) == 0:
+ elif not l.strip():
continue
else:
if l.find("\t\t") == 0:
"""
Reads the local file
"""
- with io.open(filename, 'r', encoding='utf-8') as f:
+ with open(filename, 'r', encoding='utf-8') as f:
self.contents = f.readlines()
self.date = self.findDate(self.contents)
def search_file(filename, search_path):
""" Given a search path, find file with requested name """
- for path in string.split(search_path, ":"):
+ for path in search_path.split(':'):
candidate = os.path.join(path, filename)
if os.path.exists(candidate):
return os.path.abspath(candidate)
num = int(spec)
if num < self.elffile.num_sections():
return self.elffile.get_section(num)
- else:
- return None
+ return None
except ValueError:
# Not a number. Must be a name then
section = self.elffile.get_section_by_name(force_unicode(spec))
except KeyError:
continue
- if (len(pmdinfo["pci_ids"]) != 0):
+ if pmdinfo["pci_ids"]:
print("PMD HW SUPPORT:")
if pcidb is not None:
self.pretty_print_pmdinfo(pmdinfo)
while dataptr < len(data):
while (dataptr < len(data) and
- not (32 <= byte2int(data[dataptr]) <= 127)):
+ not 32 <= byte2int(data[dataptr]) <= 127):
dataptr += 1
if dataptr >= len(data):
# pyelftools may return byte-strings, force decode them
mystring = force_unicode(data[dataptr:endptr])
rc = mystring.find("PMD_INFO_STRING")
- if (rc != -1):
- self.parse_pmd_info_string(mystring)
+ if rc != -1:
+ self.parse_pmd_info_string(mystring[rc:])
dataptr = endptr
":/usr/lib64:/lib64:/usr/lib:/lib")
if library is None:
return (None, None)
- if raw_output is False:
+ if not raw_output:
print("Scanning for autoload path in %s" % library)
- scanfile = io.open(library, 'rb')
+ scanfile = open(library, 'rb')
scanelf = ReadElf(scanfile, sys.stdout)
except AttributeError:
# Not a dynamic binary
while dataptr < len(data):
while (dataptr < len(data) and
- not (32 <= byte2int(data[dataptr]) <= 127)):
+ not 32 <= byte2int(data[dataptr]) <= 127):
dataptr += 1
if dataptr >= len(data):
# pyelftools may return byte-strings, force decode them
mystring = force_unicode(data[dataptr:endptr])
rc = mystring.find("DPDK_PLUGIN_PATH")
- if (rc != -1):
+ if rc != -1:
rc = mystring.find("=")
return (mystring[rc + 1:], library)
""" Look to see if there are any DT_NEEDED entries in the binary
And process those if there are
"""
- global raw_output
runpath = ""
ldlibpath = os.environ.get('LD_LIBRARY_PATH')
if ldlibpath is None:
for tag in dynsec.iter_tags():
# pyelftools may return byte-strings, force decode them
if force_unicode(tag.entry.d_tag) == 'DT_NEEDED':
- if 'librte_pmd' in force_unicode(tag.needed):
+ if 'librte_' in force_unicode(tag.needed):
library = search_file(force_unicode(tag.needed),
runpath + ":" + ldlibpath +
":/usr/lib64:/lib64:/usr/lib:/lib")
if library is not None:
- if raw_output is False:
- print("Scanning %s for pmd information" % library)
- with io.open(library, 'rb') as file:
+ with open(library, 'rb') as file:
try:
libelf = ReadElf(file, sys.stdout)
except ELFError:
def scan_autoload_path(autoload_path):
global raw_output
- if os.path.exists(autoload_path) is False:
+ if not os.path.exists(autoload_path):
return
try:
scan_autoload_path(dpath)
if os.path.isfile(dpath):
try:
- file = io.open(dpath, 'rb')
+ file = open(dpath, 'rb')
readelf = ReadElf(file, sys.stdout)
except ELFError:
# this is likely not an elf file, skip it
# No permission to read the file, skip it
continue
- if raw_output is False:
+ if not raw_output:
print("Hw Support for library %s" % d)
readelf.display_pmd_info_strings(".rodata")
file.close()
"""
global raw_output
- if (os.path.isfile(dpdk_path) is False):
- if raw_output is False:
+ if not os.path.isfile(dpdk_path):
+ if not raw_output:
print("Must specify a file name")
return
- file = io.open(dpdk_path, 'rb')
+ file = open(dpdk_path, 'rb')
try:
readelf = ReadElf(file, sys.stdout)
except ElfError:
- if raw_output is False:
+ if not raw_output:
print("Unable to parse %s" % file)
return
(autoload_path, scannedfile) = readelf.search_for_autoload_path()
- if (autoload_path is None or autoload_path is ""):
- if (raw_output is False):
+ if not autoload_path:
+ if not raw_output:
print("No autoload path configured in %s" % dpdk_path)
return
- if (raw_output is False):
- if (scannedfile is None):
+ if not raw_output:
+ if scannedfile is None:
scannedfile = dpdk_path
print("Found autoload path %s in %s" % (autoload_path, scannedfile))
file.close()
- if (raw_output is False):
+ if not raw_output:
print("Discovered Autoload HW Support:")
scan_autoload_path(autoload_path)
return
pcifile_default = "./pci.ids" # For unknown OS's assume local file
if platform.system() == 'Linux':
- pcifile_default = "/usr/share/hwdata/pci.ids"
+ # hwdata is the legacy location, misc is supported going forward
+ pcifile_default = "/usr/share/misc/pci.ids"
+ if not os.path.exists(pcifile_default):
+ pcifile_default = "/usr/share/hwdata/pci.ids"
elif platform.system() == 'FreeBSD':
pcifile_default = "/usr/local/share/pciids/pci.ids"
if not os.path.exists(pcifile_default):
pcifile_default = "/usr/share/misc/pci_vendors"
- optparser = OptionParser(
- usage='usage: %prog [-hrtp] [-d <pci id file] <elf-file>',
- description="Dump pmd hardware support info",
- add_help_option=True)
- optparser.add_option('-r', '--raw',
- action='store_true', dest='raw_output',
- help='Dump raw json strings')
- optparser.add_option("-d", "--pcidb", dest="pcifile",
- help="specify a pci database "
- "to get vendor names from",
- default=pcifile_default, metavar="FILE")
- optparser.add_option("-t", "--table", dest="tblout",
- help="output information on hw support as a "
- "hex table",
- action='store_true')
- optparser.add_option("-p", "--plugindir", dest="pdir",
- help="scan dpdk for autoload plugins",
- action='store_true')
-
- options, args = optparser.parse_args()
-
- if options.raw_output:
+ parser = argparse.ArgumentParser(
+ usage='usage: %(prog)s [-hrtp] [-d <pci id file>] elf_file',
+ description="Dump pmd hardware support info")
+ group = parser.add_mutually_exclusive_group()
+ group.add_argument('-r', '--raw',
+ action='store_true', dest='raw_output',
+ help='dump raw json strings')
+ group.add_argument("-t", "--table", dest="tblout",
+ help="output information on hw support as a hex table",
+ action='store_true')
+ parser.add_argument("-d", "--pcidb", dest="pcifile",
+ help="specify a pci database to get vendor names from",
+ default=pcifile_default, metavar="FILE")
+ parser.add_argument("-p", "--plugindir", dest="pdir",
+ help="scan dpdk for autoload plugins",
+ action='store_true')
+ parser.add_argument("elf_file", help="driver shared object file")
+ args = parser.parse_args()
+
+ if args.raw_output:
raw_output = True
- if options.pcifile:
- pcidb = PCIIds(options.pcifile)
+ if args.tblout:
+ args.pcifile = None
+
+ if args.pcifile:
+ pcidb = PCIIds(args.pcifile)
if pcidb is None:
print("Pci DB file not found")
exit(1)
- if options.tblout:
- options.pcifile = None
- pcidb = None
-
- if (len(args) == 0):
- optparser.print_usage()
- exit(1)
-
- if options.pdir is True:
+ if args.pdir:
exit(scan_for_autoload_pmds(args[0]))
ldlibpath = os.environ.get('LD_LIBRARY_PATH')
- if (ldlibpath is None):
+ if ldlibpath is None:
ldlibpath = ""
- if (os.path.exists(args[0]) is True):
- myelffile = args[0]
+ if os.path.exists(args.elf_file):
+ myelffile = args.elf_file
else:
- myelffile = search_file(
- args[0], ldlibpath + ":/usr/lib64:/lib64:/usr/lib:/lib")
+ myelffile = search_file(args.elf_file,
+ ldlibpath + ":/usr/lib64:/lib64:/usr/lib:/lib")
- if (myelffile is None):
+ if myelffile is None:
print("File not found")
sys.exit(1)
- with io.open(myelffile, 'rb') as file:
+ with open(myelffile, 'rb') as file:
try:
readelf = ReadElf(file, sys.stdout)
readelf.process_dt_needed_entries()
git.droids-corp.org / dpdk.git / blobdiff