Re: [Simulavr-devel] Crash after entering 'target remote localhost:1212' in avr-gdb

[Albrecht Frenzel]

Here is the tail of 'simulavr -G -d atmega328 -f boot.elf' output:

...
Sent: 
$ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff#00
 gdb -> Ack
Recv: "$m7cc0,40#2a"
 Ack -> gdb
Sent: 
$ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff#00
 gdb -> Ack
Recv: "$m7d00,40#f8"
 Ack -> gdb
Sent: 
$ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff#00
 gdb -> Ack
Recv: "$m7d40,40#fc"
 Ack -> gdb
Sent: 
$ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff#00
 gdb -> Ack
Recv: "$m7d80,40#00"
 Ack -> gdb
Sent: 
$ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff#00
 gdb -> Ack
Recv: "$m7dc0,40#2b"
 Ack -> gdb
Sent: 
$ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff#00
 gdb -> Ack
Recv: "$m7e00,40#f9"
 Ack -> gdb
Sent: 
$1f92cdb7deb71124b6d08b3119f084b714bee9d08be1bfd085e08093810082e08093c00088e18093c10086e08093c20080e18093c4008ee0c1d0259a26e080e3#c5
 gdb -> Ack
Recv: "$m7e40,40#fd"
 Ack -> gdb
Sent: 
$9cef31e0909385008093840036bbb09bfecf1d9aa8952150a9f7812c912c93e0f92eee24e39425e0d22e31e1c32e9ad0813479f497d08983a7d08981823811f4#3d
 gdb -> Ack
Recv: "$m7e80,40#01"
 Ack -> gdb
Sent: 
$82e005c0813811f486e001c083e083d06fc0823411f484e103c0853419f485e09bd066c0853541f47dd0882e7bd0912c982a880c991c5bc0863521f484e08cd0#29
 gdb -> Ack
Recv: "$m7ec0,40#2c"
 Ack -> gdb
Sent: 
$80e0e5cf843609f036c06cd06bd0b82e69d0a82e00e011e065d0f80181938f01be12facf71d0f5e4af1201c0ffcff401f7bee89507b600fcfdcfb401a0e0b1e0#b2
 gdb -> Ack
Recv: "$m7f00,40#fa"
 Ack -> gdb
Sent: 
$2c911296ad0141505109fa01808130e0382bfb010901e7bee89511246e5f7f4fba12eecff401d7bee89507b600fcfdcfc7bee8951dc0843769f434d033d0b82e#8b
 gdb -> Ack
Recv: "$m7f40,40#fe"
 Ack -> gdb
Sent: 
$31d042d08401f80185918f0124d0ba94d1f70ec0853739f437d08ee11cd085e91ad08fe094cf813511f488e027d02cd080e111d07ccf20e030e080e0a8959091#fd
 gdb -> Ack
Recv: "$m7f80,40#02"
 Ack -> gdb
Sent: 
$c00097fd8091c6002f5f3f4f20389ee33907a1f708959091c00095fffccf8093c60008958091c00087fffccf8091c00084fd01c0a8958091c6000895e0e6f0e0#f2
 gdb -> Ack
Recv: "$m7fc0,40#2d"
 Ack -> gdb
Sent: 
$98e1908380830895eddf803219f088e0f5dfffcf84e1dfcfcf93c82fe3dfc150e9f7cf91f1cf282e80e0e8dfe0e0ff270994ffffffffffffffffffffffff0206#fb
 gdb -> Ack
Recv: "$m8000,40#c5"
 Ack -> gdb
simulavr: cmd/gdbserver.cpp:320: word 
GdbServer::avr_core_flash_read(int): Assertion `0 <= addr && 
(unsigned) addr+1 < core->Flash->GetSize()' failed.
Aborted

---

The code is a bootloader.

Command sequence in ddd was:

(gdb) file boot.elf
Reading symbols from boot.elf...done.
(gdb) target remote localhost:1212
Remote debugging using localhost:1212
0x00000000 in ?? ()
(gdb)

Albrecht


On 31.01.2016 12:02, Albrecht Frenzel wrote:
> Output from simulavr:
>
> $ simulavr -g -d atmega328 -f boot.elf
> Waiting on port 1212 for gdb client to connect...
> Connection opened by host 127.0.0.1, port -10566.
> simulavr: cmd/gdbserver.cpp:320: word 
> GdbServer::avr_core_flash_read(int): Assertion `0 <= addr && 
> (unsigned) addr+1 < core->Flash->GetSize()' failed.
> Aborted
>
> Albrecht