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gdb: Show params and locals in cfp

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This commit is contained in:
Takashi Kokubun 2023-03-31 03:05:29 -07:00
parent 98347c251a
commit 0f368bfb7b
1 changed files with 12 additions and 1 deletions
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13
misc/gdb.py
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@ -40,11 +40,22 @@ class CFP(gdb.Command):
end_cfp = self.get_int('ruby_current_ec->vm_stack + ruby_current_ec->vm_stack_size')
cfp_count = int((end_cfp - self.get_int('ruby_current_ec->cfp')) / self.get_int('sizeof(rb_control_frame_t)'))
print('CFP (count={}, addr=0x{:x}):'.format(cfp_count, self.get_int(cfp)))
gdb.execute(f'p *({cfp})')
print()
local_size = self.get_int(f'{cfp}->iseq->body->local_table_size - {cfp}->iseq->body->param.size')
param_size = self.get_int(f'{cfp}->iseq->body->param.size')
print(f'Params (size={param_size}):')
for i in range(-3 - local_size - param_size, -3 - local_size):
self.print_stack(cfp, i, self.rp(cfp, i))
print()
print(f'Locals (size={local_size}):')
for i in range(-3 - local_size, -3):
self.print_stack(cfp, i, self.rp(cfp, i))
print()
print('Env:')
self.print_stack(cfp, -3, self.rp(cfp, -3))
self.print_stack(cfp, -2, self.specval(cfp, -2))