[Vm-dev] Help Request: gdb usage et al [RV64]

Eliot Miranda eliot.miranda at gmail.com
Sun Jul 31 11:17:03 UTC 2022


Sorry Ken. Ignore me. I misread.  I do see the breakpoint.

_,,,^..^,,,_ (phone)

> On Jul 31, 2022, at 4:15 AM, Eliot Miranda <eliot.miranda at gmail.com> wrote:
> 
> 
> 
> _,,,^..^,,,_ (phone)
> 
>> On Jul 30, 2022, at 2:42 PM, Ken.Dickey at whidbey.com wrote:
>> 
>> Small progress.
>> 
>> I have gotten to the point where an Alien's byteVector looks well formed.
>> 
>> I am no longer getting a SIGILL, but now a Segfault.
>> 
>> I am still unable to get gdb to catch a breakpoint at either the trampoline or thunkEntry().
>> 
>> Details attached.
>> 
>> Help donated to my education is much appreciated,  ;^)
> 
> :-) 
> You’ve not set a breakpoint in a thunk.  You need to set one at 0x3ff6e60000, (assuming unchanged addresses).  IIRC you say
> (gdb) b * 0x3ff6e60000
> but it may be just
> (gdb) b 0x3ff6e60000
> 
>> -KenD
>> 
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