github.com/goplus/llgo@v0.8.3/chore/nmdump/nmdump.go (about)

     1  /*
     2   * Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package main
    18  
    19  import (
    20  	"fmt"
    21  	"log"
    22  	"os"
    23  
    24  	"github.com/goplus/llgo/xtool/env/llvm"
    25  )
    26  
    27  func main() {
    28  	if len(os.Args) != 2 {
    29  		fmt.Fprintln(os.Stderr, "Usage: nmdump xxx.a")
    30  		return
    31  	}
    32  
    33  	nm := llvm.New().Nm()
    34  	items, err := nm.List(os.Args[1])
    35  	for _, item := range items {
    36  		if item.File != "" {
    37  			fmt.Printf("\n%s:\n", item.File)
    38  		}
    39  		for _, sym := range item.Symbols {
    40  			if sym.FAddr {
    41  				fmt.Printf("%016x %c %s\n", sym.Addr, sym.Type, sym.Name)
    42  			} else {
    43  				fmt.Printf("%16s %c %s\n", "", sym.Type, sym.Name)
    44  			}
    45  		}
    46  	}
    47  	if err != nil {
    48  		log.Println(err)
    49  	}
    50  }