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gdb.py: Support dumping a dummy frame [ci skip]

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This commit is contained in:
Takashi Kokubun 2023-08-03 09:55:36 -07:00
parent c65856d44f
commit b35a222348
1 changed files with 13 additions and 10 deletions
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7
misc/gdb.py
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@ -56,16 +56,17 @@ class CFP(gdb.Command):
except SystemExit:
return
cfp = f'(ruby_current_ec->cfp + ({args.uplevel}))'
end_cfp = self.get_int('ruby_current_ec->vm_stack + ruby_current_ec->vm_stack_size')
cfp_index = int((end_cfp - self.get_int(cfp) - 1) / self.get_int('sizeof(rb_control_frame_t)'))
if args.all:
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)')) - 1 # exclude dummy CFP
for i in range(cfp_count):
print('-' * 80)
self.invoke(str(cfp_count - i - 1), from_tty)
return
print('CFP (addr=0x{:x}, uplevel={}):'.format(self.get_int(cfp), args.uplevel))
print('CFP (addr=0x{:x}, index={}):'.format(self.get_int(cfp), cfp_index))
gdb.execute(f'p *({cfp})')
print()
@ -91,6 +92,8 @@ class CFP(gdb.Command):
self.print_env(cfp, -1, self.frame_types(cfp, -1))
print()
# We can't calculate BP for the first frame
if cfp_index > 0:
if args.stack_size is not None:
stack_size = args.stack_size
else: