gdb.py: Support dumping a dummy frame [ci skip]
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c65856d44f
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23
misc/gdb.py
23
misc/gdb.py
@ -56,16 +56,17 @@ class CFP(gdb.Command):
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except SystemExit:
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return
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cfp = f'(ruby_current_ec->cfp + ({args.uplevel}))'
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end_cfp = self.get_int('ruby_current_ec->vm_stack + ruby_current_ec->vm_stack_size')
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cfp_index = int((end_cfp - self.get_int(cfp) - 1) / self.get_int('sizeof(rb_control_frame_t)'))
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if args.all:
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end_cfp = self.get_int('ruby_current_ec->vm_stack + ruby_current_ec->vm_stack_size')
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cfp_count = int((end_cfp - self.get_int('ruby_current_ec->cfp')) / self.get_int('sizeof(rb_control_frame_t)')) - 1 # exclude dummy CFP
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for i in range(cfp_count):
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print('-' * 80)
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self.invoke(str(cfp_count - i - 1), from_tty)
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return
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print('CFP (addr=0x{:x}, uplevel={}):'.format(self.get_int(cfp), args.uplevel))
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print('CFP (addr=0x{:x}, index={}):'.format(self.get_int(cfp), cfp_index))
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gdb.execute(f'p *({cfp})')
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print()
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@ -91,14 +92,16 @@ class CFP(gdb.Command):
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self.print_env(cfp, -1, self.frame_types(cfp, -1))
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print()
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if args.stack_size is not None:
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stack_size = args.stack_size
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else:
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stack_size = int((self.get_int(f'{cfp}->sp') - self.get_int(f'vm_base_ptr({cfp})')) / 8)
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print(f'Stack (size={stack_size}):')
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for i in range(0, stack_size):
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self.print_stack(cfp, i, self.rp(cfp, i))
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print(self.regs(cfp, stack_size))
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# We can't calculate BP for the first frame
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if cfp_index > 0:
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if args.stack_size is not None:
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stack_size = args.stack_size
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else:
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stack_size = int((self.get_int(f'{cfp}->sp') - self.get_int(f'vm_base_ptr({cfp})')) / 8)
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print(f'Stack (size={stack_size}):')
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for i in range(0, stack_size):
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self.print_stack(cfp, i, self.rp(cfp, i))
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print(self.regs(cfp, stack_size))
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def print_env(self, cfp, bp_index, content):
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ep_index = bp_index + 1
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