On Mon, 20 Jan 2014 19:05:58 +0100 (CET)
[email protected] wrote:

> Is frame 0 available at crash point ?
> 

Oops, sorry.

(gdb) run --assert-level=note
Starting program: /home/hanzer/devel/dlx/dlx_test_behaviour
--assert-level=note 0 X"20020000"
4 X"AC020018"
8 X"20420001"
12 X"6441000A"
16 X"1420FFF0"
20 X"44000000"

Program received signal SIGSEGV, Segmentation fault.
0x00000000004299ac in work__dlx__ARCH__behaviour__interpreter__PROC
(INSTANCE=<error reading variable: Cannot access memory at address
0x80073bd88>) at dlx-behaviour.vhdl:143 143           mem_enable <= '0'
0x80073bd88>after Tpd_clk_out;

(gdb) bt
#0  0x00000000004299ac in work__dlx__ARCH__behaviour__interpreter__PROC
(INSTANCE=<error reading variable: Cannot access memory at address
0x80073bd88>) at dlx-behaviour.vhdl:143 #1  0x0000000000441cd4 in
0x80073bd88>grt_stack_loop ()
0x80073bd88>at 
/home/hanzer/ghdl_build/source/gcc-4.8-20130808/gcc/vhdl/grt/config/amd64.S:40
#2  0x00000008014fac00 in ?? ()
#3  0x0000000000429998 in
work__dlx__ARCH__behaviour__interpreter__bus_read (INSTANCE=0x0,
address=0x0, data_width=width_byte, instr_fetch=false, data=0x0,
phi1=0x0, phi2=0x2000, reset=<error reading variable: Cannot access
memory at address 0x80073e000>, a=<error reading variable: Cannot
access memory at address 0x80073e008>, d=<error reading variable:
Cannot access memory at address 0x80073e010>, width=<error reading
variable: Cannot access memory at address 0x80073e018>,
write_enable=<error reading variable: Cannot access memory at address
0x80073e020>, mem_enable=<error reading variable: Cannot access memory
0x80073e020>at address 0x80073e028>, ifetch=<error reading variable:
0x80073e020>Cannot access memory at address 0x80073e030>, ready=<error
0x80073e020>reading variable: Cannot access memory at address
0x80073e020>0x80073e038>, tpd_clk_out=<error reading variable: Cannot
0x80073e020>0x80073e038>access memory at address 0x80073e040>) at
0x80073e020>0x80073e038>dlx-behaviour.vhdl:143 #4  0x000000080073dfa8
0x80073e020>0x80073e038>in ?? ()
#5  0x0000000000002000 in ?? ()
Cannot access memory at address 0x80073e000

(gdb) frame 0
#0  0x00000000004299ac in work__dlx__ARCH__behaviour__interpreter__PROC
(INSTANCE=<error reading variable: Cannot access memory at address
0x80073bd88>) at dlx-behaviour.vhdl:143 143           mem_enable <= '0'
0x80073bd88>after Tpd_clk_out;

(gdb) info reg
rax            0x1      1
rbx            0x2      2
rcx            0x5      5
rdx            0x1      1
rsi            0x683f60 6831968
rdi            0x8014fac00      34381736960
rbp            0x80073dfd0      0x80073dfd0
rsp            0x80073bd30      0x80073bd30
r8             0x684ba0 6835104
r9             0x1      1
r10            0x1      1
r11            0x801407000      34380738560
r12            0x0      0
r13            0x8014fac00      34381736960
r14            0x429998 4364696
r15            0x0      0
rip            0x4299ac 0x4299ac
<work__dlx__ARCH__behaviour__interpreter__PROC+20> eflags
0x10206  [ PF IF RF ] cs             0x43     67
ss             0x3b     59
ds             *value not available*
es             *value not available*
fs             *value not available*
gs             *value not available*

(gdb) print /x $esp
$1 = 0x73bd30

(gdb) disassemble $pc,$pc+20
Dump of assembler code from 0x4299ac to 0x4299c0:
=> 0x00000000004299ac
<work__dlx__ARCH__behaviour__interpreter__PROC+20>:       mov
%rdi,-0x2248(%rbp) 0x00000000004299b3
<work__dlx__ARCH__behaviour__interpreter__PROC+27>:       mov
-0x2248(%rbp),%rax 0x00000000004299ba
<work__dlx__ARCH__behaviour__interpreter__PROC+34>:       add
$0x158,%rax End of assembler dump.

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