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Diffstat (limited to 'xmake/modules/utils/binary/readsyms.lua')
| -rw-r--r-- | xmake/modules/utils/binary/readsyms.lua | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/xmake/modules/utils/binary/readsyms.lua b/xmake/modules/utils/binary/readsyms.lua new file mode 100644 index 000000000..6058e8121 --- /dev/null +++ b/xmake/modules/utils/binary/readsyms.lua @@ -0,0 +1,106 @@ +--!A cross-platform build utility based on Lua +-- +-- Licensed under the Apache License, Version 2.0 (the "License"); +-- you may not use this file except in compliance with the License. +-- You may obtain a copy of the License at +-- +-- http://www.apache.org/licenses/LICENSE-2.0 +-- +-- Unless required by applicable law or agreed to in writing, software +-- distributed under the License is distributed on an "AS IS" BASIS, +-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +-- See the License for the specific language governing permissions and +-- limitations under the License. +-- +-- Copyright (C) 2015-present, Xmake Open Source Community. +-- +-- @author ruki +-- @file readsyms.lua +-- + +-- imports +import("core.base.binutils") + +-- get symbols from binary file (auto-detect format: ELF, COFF, Mach-O) +-- +-- @param binaryfile the binary file path (required) +-- @return the symbols table +function _get_symbols(binaryfile) + assert(binaryfile, "usage: xmake l utils.binary.readsyms <binaryfile>") + + binaryfile = path.absolute(binaryfile) + assert(os.isfile(binaryfile), "%s not found!", binaryfile) + + return binutils.readsyms(binaryfile) +end + +-- dump symbols to console +-- +-- @param binaryfile the object file path (required) +function dump(binaryfile) + local symbols = _get_symbols(binaryfile) + if symbols and #symbols > 0 then + -- calculate column widths for alignment + local max_name_len = 0 + local max_type_len = 0 + + for i, sym in ipairs(symbols) do + if sym.name then + max_name_len = math.max(max_name_len, #sym.name) + end + if sym.type then + max_type_len = math.max(max_type_len, #sym.type) + end + end + + -- calculate column widths + local type_width = math.max(max_type_len, 4) + local name_width = math.max(max_name_len, 4) + + -- print header + print("") + print("Symbols:") + local header_format = " %-" .. type_width .. "s %s" + print(string.format(header_format, "TYPE", "NAME")) + print(string.rep("-", 80)) + + -- print symbols + local format_str = " %-" .. type_width .. "s %s" + + for i, sym in ipairs(symbols) do + local type_str = sym.type or "unknown" + local name_str = sym.name or "" + + print(string.format(format_str, type_str, name_str)) + end + print("") + cprint("${bright}%d symbols found!", #symbols) + else + print("") + cprint("${bright}No symbols found!") + end +end + +-- read symbols from object file(s) (auto-detect format: ELF, COFF, Mach-O) +-- +-- @param binaryfiles the object file path or table of object files (required) +-- @return the symbols table (all symbols from all files if table is provided) +function main(binaryfiles) + assert(binaryfiles, "usage: xmake l utils.binary.readsyms <binaryfile> or readsyms(binaryfiles)") + + local all_symbols = {} + if type(binaryfiles) == "string" then + return _get_symbols(binaryfiles) + else + for _, binaryfile in ipairs(binaryfiles) do + local symbols = _get_symbols(binaryfile) + if symbols then + for _, sym in ipairs(symbols) do + table.insert(all_symbols, sym) + end + end + end + return all_symbols + end +end + |
