add binary readsyms

1 files changed, 92 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..ace1c8be3
--- /dev/null
+++ b/xmake/modules/utils/binary/readsyms.lua
@@ -0,0 +1,92 @@
+--!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)
+        
+    if binutils.readsyms then
+        local ok, symbols = binutils.readsyms(binaryfile)
+        if ok then
+            return symbols
+        else
+            raise("readsyms: %s", symbols or "unknown error")
+        end
+    else
+        raise("readsyms: binutils.readsyms not available (C implementation not compiled)")
+    end
+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
+        print("")
+        print("Symbols:")
+        for i, sym in ipairs(symbols) do
+            local value_str = ""
+            if sym.value then
+                value_str = string.format("0x%x", sym.value)
+            end
+            local size_str = ""
+            if sym.size then
+                size_str = string.format(" size=%d", sym.size)
+            end
+            local section_str = ""
+            if sym.section and sym.section > 0 then
+                section_str = string.format(" section=%d", sym.section)
+            end
+            local type_str = ""
+            if sym.type then
+                type_str = string.format(" type=%s", sym.type)
+            end
+            local bind_str = ""
+            if sym.bind then
+                bind_str = string.format(" bind=%s", sym.bind)
+            end
+            print(string.format("  %s %s%s%s%s%s", sym.name or "", value_str, size_str, section_str, type_str, bind_str))
+        end
+        print("")
+        cprint("${bright}%d symbols found!", #symbols)
+    else
+        print("")
+        cprint("${bright}No symbols found!")
+    end
+end
+
+-- read symbols from object file (auto-detect format: ELF, COFF, Mach-O)
+--
+-- @param binaryfile  the object file path (required)
+-- @return           the symbols table
+function main(binaryfile)
+    return _get_symbols(binaryfile)
+end
+