[LLVMbugs] [Bug 7877] New: "Dwarf Error: bad offset" when compiling with debugging symbols (-g)

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Thu Aug 12 13:03:16 PDT 2010


           Summary: "Dwarf Error: bad offset" when compiling with
                    debugging symbols (-g)
           Product: tools
           Version: 2.7
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: release blocker
          Priority: P
         Component: llvm-gcc
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: antonio at compleasy.com
                CC: llvmbugs at cs.uiuc.edu

Compiling this code

#include <stdio.h>
#include <stdlib.h>

int main()
 printf("Hello world!\n");
 return 0;

with these commands
llvm-gcc.exe -Wall  -g <a_dir>\main.c -o <a_dir>\main.o
llvm-g++.exe -o <a_dir>\main.exe <a_dir>\main.o    

on a Windows XP, generates a good executable that I am able to run without any
However I cannot debug it, and when I run this command
gdb main.exe
with a GNU gdb 7.1 I get this complain from gdb
This GDB was configured as "mingw32".
Reading symbols from <a_dir>/main.exe...Dwarf Error: bad offset (0x409000) in
compilation unit header (offset 0x0 + 6) [in module <a_dir>/firts.exe]

Please note, to keep this report more readable I replaced actual directories
with <a_dir>.

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