[Bug debug/34390] New: No source debugging information with relative path

["yang dot zengxu at zte dot com dot cn" <gcc-bugzilla at gcc dot gnu dot org>]

gcc -g -c ./src/hello.c -o ./obj/hello.o
cd obj
objdump -S hello.o
No source debugging information can be seen in hello.o
hello.o:     file format elf32-i386

Disassembly of section .text:

00000000 <main>:
   0:   55                      push   %ebp
   1:   89 e5                   mov    %esp,%ebp
   3:   83 ec 08                sub    $0x8,%esp
   6:   83 e4 f0                and    $0xfffffff0,%esp
   9:   b8 00 00 00 00          mov    $0x0,%eax
   e:   83 c0 0f                add    $0xf,%eax
  11:   83 c0 0f                add    $0xf,%eax
  14:   c1 e8 04                shr    $0x4,%eax
  17:   c1 e0 04                shl    $0x4,%eax
  1a:   29 c4                   sub    %eax,%esp
  1c:   83 ec 0c                sub    $0xc,%esp
  1f:   68 00 00 00 00          push   $0x0
  24:   e8 fc ff ff ff          call   25 <main+0x25>
  29:   83 c4 10                add    $0x10,%esp
  2c:   b8 00 00 00 00          mov    $0x0,%eax
  31:   c9                      leave
  32:   c3                      ret

gcc -g -c /home/yangzx/src/hello.c -o /home/yangzx/obj/hello.o
Source debugging information can be seen in hello.o
hello.o:     file format elf32-i386

Disassembly of section .text:

00000000 <main>:
#include <stdio.h>

int main(void)
{
   0:   55                      push   %ebp
   1:   89 e5                   mov    %esp,%ebp
   3:   83 ec 08                sub    $0x8,%esp
   6:   83 e4 f0                and    $0xfffffff0,%esp
   9:   b8 00 00 00 00          mov    $0x0,%eax
   e:   83 c0 0f                add    $0xf,%eax
  11:   83 c0 0f                add    $0xf,%eax
  14:   c1 e8 04                shr    $0x4,%eax
  17:   c1 e0 04                shl    $0x4,%eax
  1a:   29 c4                   sub    %eax,%esp
        printf("hello world\n");
  1c:   83 ec 0c                sub    $0xc,%esp
  1f:   68 00 00 00 00          push   $0x0
  24:   e8 fc ff ff ff          call   25 <main+0x25>
  29:   83 c4 10                add    $0x10,%esp
        return 0;
  2c:   b8 00 00 00 00          mov    $0x0,%eax
}
  31:   c9                      leave
  32:   c3                      ret

Tried gcc 3.4.6 and gcc 4.1.1 on a Fedora 6 i386 box, gnuarm 4.1.1 on cygwin,
all got the same result.


-- 
           Summary: No source debugging information with relative path
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: debug
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: yang dot zengxu at zte dot com dot cn


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34390