> -----Original Message-----
> From: Leopold Toetsch [mailto:[EMAIL PROTECTED]
> Sent: Thursday, October 02, 2003 1:35 AM
> To: [EMAIL PROTECTED]
> Subject: Re: [perl #24088] [PATCH] Parrot on AIX
>
> Does your debugger support stabs? You could try to enable the
> jit_debug
> stuff in jit.c and follow the hints in docs/jit.pod /Debugging.
gdb works, but ddd doesn't, so the snippet in jit.pod doesn't work. But with
JIT_DEBUG set, gdb becomes more helpful. It wipes out thusly on t/op/basic_1
with JIT_DEBUG==3:
******************************************************************************
$ gdb --args ./parrot -j t/op/basic_1.pasm
(...)
Section:
NOT JITTED block 0
OP0: ext 1 noop
map_branch: 00
begin: 0x200a1a98 (1)
end: 0x200a1a98 (1)
I registers used: 0
N registers used: 0
Jit opcodes: 0
Total opcodes: 1
Section:
JITTED block 1
OP1: ext 0 end
map_branch: 00
begin: 0x200a1a9c (0)
end: 0x200a1a9c (0)
I registers used: 0
N registers used: 0
Jit opcodes: 1
Total opcodes: 1
Total size 64 bytes
Program received signal SIGSEGV, Segmentation fault.
0x7c0802a4 in ?? ()
******************************************************************************
t/op/jit_1 does no better:
******************************************************************************
Section:
JITTED block 0
OP0: ext 0 set I0,0
map_branch: 00 10 00
OP3: ext 0 set I1,1
map_branch: 00 11 00
OP6: ext 0 set I2,2
map_branch: 00 12 00
OP9: ext 0 add I0,I1,I2
map_branch: 00 10 11 12
begin: 0x200a3f08 (848)
end: 0x200a3f2c (434)
I registers used: 3
I register count: 2 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0
I register usage: 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0
I register direction: 2 2 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0
N registers used: 0
Jit opcodes: 4
Total opcodes: 4
Section:
NOT JITTED block 1
OP13: ext 1 print I0
map_branch: 00 00
OP15: ext 1 print I1
map_branch: 00 00
OP17: ext 1 print I2
map_branch: 00 00
OP19: ext 1 print "\n"
map_branch: 00 00
begin: 0x200a3f3c (372)
end: 0x200a3f54 (377)
I registers used: 3
I register count: 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0
I register usage: 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0
I register direction: 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0
N registers used: 0
Jit opcodes: 0
Total opcodes: 4
Section:
JITTED block 2
OP21: ext 0 end
map_branch: 00
begin: 0x200a3f5c (0)
end: 0x200a3f5c (0)
I registers used: 0
N registers used: 0
Jit opcodes: 1
Total opcodes: 1
Total size 140 bytes
Program received signal SIGSEGV, Segmentation fault.
0x7c0802a4 in ?? ()
******************************************************************************
I'm not entirely sure what I'm looking at here. Is there anything I can do
without being a JIT or PPC guru?
Adam Thomason
