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in debug mode, make sure that calls to the vm can be captured via make-stack

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* libguile/vm-engine.c (VM_PUSH_DEBUG_FRAMES): New knob, if true we much
  with the scm_i_last_debug_frame when entering the VM, because sometimes
  the evaluator doesn't do it for us.
  (VM_ENGINE): Plug through debug frame fondling. Now, program exit comes
  back to the main text. Rename err_args to finish_args, and reuse for
  the return value.

* libguile/vm-engine.h (PUSH_LIST):
* libguile/vm-i-loader.c:
* libguile/vm-i-scheme.c:
* libguile/vm-i-system.c: Update for finish_args.
  (halt): goto vm_done, now, instead of returning directly.
This commit is contained in:
Andy Wingo 2009-02-05 12:28:19 +01:00
parent 4abef68f61
commit e06e857c8d
5 changed files with 64 additions and 30 deletions
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2
libguile/vm-i-loader.c
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@ -122,7 +122,7 @@ VM_DEFINE_INSTRUCTION (66, link_now, "link-now", 0, 1, 1)
mod = scm_module_public_interface (mod);
if (SCM_FALSEP (mod))
{
err_args = SCM_LIST1 (SCM_CAR (what));
finish_args = SCM_LIST1 (SCM_CAR (what));
goto vm_error_no_such_module;
}
/* might longjmp */