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Ticket #369 (new defect)

Opened 2 years ago

Last modified 1 year ago

gdb: static arrays are not properly printed (debug info not present)

Reported by: llucax Assigned to: ChristianK
Priority: major Milestone:
Component: unspecified Version: hg tip
Keywords: gdb,debug,dwarf Cc:

Description

I can't print static arrays in LDC:

luca@homero:/tmp$ cat -n dbg.d
     1	
     2	void main()
     3	{
     4		int[2] int_sarray;
     5		int_sarray[0] = 1;
     6		int_sarray[1] = -1;
     7	}
     8	
luca@homero:/tmp$ ldc -gc dbg.d
luca@homero:/tmp$ gdb --quiet ./dbg
Reading symbols from /tmp/dbg...done.
(gdb) break Dmain
Breakpoint 1 at 0x80495e6: file dbg.d, line 5.
(gdb) run
Starting program: /tmp/dbg 
[Thread debugging using libthread_db enabled]

Breakpoint 1, _Dmain () at dbg.d:5
5		int_sarray[0] = 1;
(gdb) print int_sarray
No symbol "int_sarray" in current context.
(gdb) 

DMD 1.x (svn rev 215) can do it (but can't print dynamic arrays while LDC can):

luca@homero:/tmp$ dmd -gc dbg.d
luca@homero:/tmp$ gdb --quiet ./dbg
Reading symbols from /tmp/dbg...done.
(gdb) break Dmain
Breakpoint 1 at 0x8049b9a: file dbg.d, line 2.
(gdb) run
Starting program: /tmp/dbg 
[Thread debugging using libthread_db enabled]

Breakpoint 1, _Dmain () at dbg.d:4
4		int[2] int_sarray;
Current language:  auto
The current source language is "auto; currently d".
(gdb) n
5		int_sarray[0] = 1;
(gdb) n
6		int_sarray[1] = -1;
(gdb) n
4		int[2] int_sarray;
(gdb) print int_sarray
$2 = {1, -1}
(gdb) 

I'm using LDC r1580 and LLVM prerelease1. I will attach objdump -W for both binaries (LDC and DMD).

Attachments

dbg.ldc.dump (5.9 kB) - added by llucax on 10/19/09 20:55:09.
objdump -W dbg.o for LDC
dbg.dmd.dump (7.3 kB) - added by llucax on 10/19/09 20:55:43.
objdump -W dbg.o for DMD

Change History

10/19/09 20:55:09 changed by llucax

  • attachment dbg.ldc.dump added.

objdump -W dbg.o for LDC

10/19/09 20:55:43 changed by llucax

  • attachment dbg.dmd.dump added.

objdump -W dbg.o for DMD

11/21/10 21:23:22 changed by bioinfornatics

same problem here

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