+++ /dev/null
-#!/usr/bin/env python
-# SPDX-License-Identifier: BSD-3-Clause
-# Copyright(c) 2019 Intel Corporation
-
-"""
-A Python program that updates and merges all available stable ABI versions into
-one ABI version, while leaving experimental ABI exactly as it is. The intended
-ABI version is supplied via command-line parameter. This script is to be called
-from the buildtools/update-abi.sh utility.
-"""
-
-from __future__ import print_function
-import argparse
-import sys
-import re
-
-
-def __parse_map_file(f_in):
- # match function name, followed by semicolon, followed by EOL, optionally
- # with whitespace in between each item
- func_line_regex = re.compile(r"\s*"
- r"(?P<func>[a-zA-Z_0-9]+)"
- r"\s*"
- r";"
- r"\s*"
- r"$")
- # match section name, followed by opening bracked, followed by EOL,
- # optionally with whitespace in between each item
- section_begin_regex = re.compile(r"\s*"
- r"(?P<version>[a-zA-Z0-9_\.]+)"
- r"\s*"
- r"{"
- r"\s*"
- r"$")
- # match closing bracket, optionally followed by section name (for when we
- # inherit from another ABI version), followed by semicolon, followed by
- # EOL, optionally with whitespace in between each item
- section_end_regex = re.compile(r"\s*"
- r"}"
- r"\s*"
- r"(?P<parent>[a-zA-Z0-9_\.]+)?"
- r"\s*"
- r";"
- r"\s*"
- r"$")
-
- # for stable ABI, we don't care about which version introduced which
- # function, we just flatten the list. there are dupes in certain files, so
- # use a set instead of a list
- stable_lines = set()
- # copy experimental section as is
- experimental_lines = []
- in_experimental = False
- has_stable = False
-
- # gather all functions
- for line in f_in:
- # clean up the line
- line = line.strip('\n').strip()
-
- # is this an end of section?
- match = section_end_regex.match(line)
- if match:
- # whatever section this was, it's not active any more
- in_experimental = False
- continue
-
- # if we're in the middle of experimental section, we need to copy
- # the section verbatim, so just add the line
- if in_experimental:
- experimental_lines += [line]
- continue
-
- # skip empty lines
- if not line:
- continue
-
- # is this a beginning of a new section?
- match = section_begin_regex.match(line)
- if match:
- cur_section = match.group("version")
- # is it experimental?
- in_experimental = cur_section == "EXPERIMENTAL"
- if not in_experimental:
- has_stable = True
- continue
-
- # is this a function?
- match = func_line_regex.match(line)
- if match:
- stable_lines.add(match.group("func"))
-
- return has_stable, stable_lines, experimental_lines
-
-
-def __generate_stable_abi(f_out, abi_version, lines):
- # print ABI version header
- print("DPDK_{} {{".format(abi_version), file=f_out)
-
- # print global section if it exists
- if lines:
- print("\tglobal:", file=f_out)
- # blank line
- print(file=f_out)
-
- # print all stable lines, alphabetically sorted
- for line in sorted(lines):
- print("\t{};".format(line), file=f_out)
-
- # another blank line
- print(file=f_out)
-
- # print local section
- print("\tlocal: *;", file=f_out)
-
- # end stable version
- print("};", file=f_out)
-
-
-def __generate_experimental_abi(f_out, lines):
- # start experimental section
- print("EXPERIMENTAL {", file=f_out)
-
- # print all experimental lines as they were
- for line in lines:
- # don't print empty whitespace
- if not line:
- print("", file=f_out)
- else:
- print("\t{}".format(line), file=f_out)
-
- # end section
- print("};", file=f_out)
-
-
-def __main():
- arg_parser = argparse.ArgumentParser(
- description='Merge versions in linker version script.')
-
- arg_parser.add_argument("map_file", type=str,
- help='path to linker version script file '
- '(pattern: *version.map)')
- arg_parser.add_argument("abi_version", type=str,
- help='target ABI version (pattern: MAJOR.MINOR)')
-
- parsed = arg_parser.parse_args()
-
- if not parsed.map_file.endswith('version.map'):
- print("Invalid input file: {}".format(parsed.map_file),
- file=sys.stderr)
- arg_parser.print_help()
- sys.exit(1)
-
- if not re.match(r"\d{1,2}\.\d{1,2}", parsed.abi_version):
- print("Invalid ABI version: {}".format(parsed.abi_version),
- file=sys.stderr)
- arg_parser.print_help()
- sys.exit(1)
-
- with open(parsed.map_file) as f_in:
- has_stable, stable_lines, experimental_lines = __parse_map_file(f_in)
-
- with open(parsed.map_file, 'w') as f_out:
- need_newline = has_stable and experimental_lines
- if has_stable:
- __generate_stable_abi(f_out, parsed.abi_version, stable_lines)
- if need_newline:
- # separate sections with a newline
- print(file=f_out)
- if experimental_lines:
- __generate_experimental_abi(f_out, experimental_lines)
-
-
-if __name__ == "__main__":
- __main()
git.droids-corp.org / dpdk.git / blobdiff