valgrind不显示行号

ljl

如下，t是我编写的一个存在内存泄露的小程序，用valgrind成功检测到了，但是没有显示行号，在3399的ubuntu系统和buildroot系统下均是如此：

1. root@firefly:~# valgrind --leak-check=full ./t
   
2. ==2693== Memcheck, a memory error detector
   
3. ==2693== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
   
4. ==2693== Using Valgrind-3.13.0 and LibVEX; rerun with -h for copyright info
   
5. ==2693== Command: ./t
   
6. ==2693==
   
7. hi
   
8. ==2693==
   
9. ==2693== HEAP SUMMARY:
   
10. ==2693==     in use at exit: 1 bytes in 1 blocks
    
11. ==2693==   total heap usage: 2 allocs, 1 frees, 1,025 bytes allocated
    
12. ==2693==
    
13. ==2693== 1 bytes in 1 blocks are definitely lost in loss record 1 of 1
    
14. ==2693==    at 0x4845BFC: malloc (in /usr/lib/valgrind/vgpreload_memcheck-arm64-linux.so)
    
15. ==2693==
    
16. ==2693== LEAK SUMMARY:
    
17. ==2693==    definitely lost: 1 bytes in 1 blocks
    
18. ==2693==    indirectly lost: 0 bytes in 0 blocks
    
19. ==2693==      possibly lost: 0 bytes in 0 blocks
    
20. ==2693==    still reachable: 0 bytes in 0 blocks
    
21. ==2693==         suppressed: 0 bytes in 0 blocks
    
22. ==2693==
    
23. ==2693== For counts of detected and suppressed errors, rerun with: -v
    
24. ==2693== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)
    
25. root@firefly:~#

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而检测相同的程序t，在x86下就会显示行号，如下：

1. ==17689== Memcheck, a memory error detector
   
2. ==17689== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
   
3. ==17689== Using Valgrind-3.13.0 and LibVEX; rerun with -h for copyright info
   
4. ==17689== Command: ./t
   
5. ==17689==
   
6. hi
   
7. ==17689==
   
8. ==17689== HEAP SUMMARY:
   
9. ==17689==     in use at exit: 1 bytes in 1 blocks
   
10. ==17689==   total heap usage: 2 allocs, 1 frees, 1,025 bytes allocated
    
11. ==17689==
    
12. ==17689== 1 bytes in 1 blocks are definitely lost in loss record 1 of 1
    
13. ==17689==    at 0x4C2FB0F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
    
14. ==17689==    [color=Red]by 0x10869B: main (t.c:6)[/color]
    
15. ==17689==
    
16. ==17689== LEAK SUMMARY:
    
17. ==17689==    definitely lost: 1 bytes in 1 blocks
    
18. ==17689==    indirectly lost: 0 bytes in 0 blocks
    
19. ==17689==      possibly lost: 0 bytes in 0 blocks
    
20. ==17689==    still reachable: 0 bytes in 0 blocks
    
21. ==17689==         suppressed: 0 bytes in 0 blocks
    
22. ==17689==
    
23. ==17689== For counts of detected and suppressed errors, rerun with: -v
    
24. ==17689== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)

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