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The dynamic stack records SP and FP values as offsets

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* libguile/dynstack.h:
* libguile/dynstack.c (PROMPT_FP, PROMPT_SP):
  (scm_dynstack_push_prompt, scm_dynstack_find_prompt): Prompts on the
  dynstack are recorded as offsets from the base stack address in this
  thread.

* libguile/control.c (scm_c_abort):
* libguile/eval.c (eval):
* libguile/stacks.c (find_prompt, narrow_stack):
* libguile/throw.c (pre_init_catch):
* libguile/vm-engine.c (prompt): Adapt.
This commit is contained in:
Andy Wingo 2013-11-21 12:12:38 +01:00
parent a3da449801
commit 0bca90aac9
8 changed files with 50 additions and 39 deletions
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10
libguile/frames.h
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@ -148,10 +148,12 @@ struct scm_frame
#define SCM_VM_FRAME_P(x) (SCM_HAS_TYP7 (x, scm_tc7_frame))
#define SCM_VM_FRAME_DATA(x) ((struct scm_frame*)SCM_CELL_WORD_1 (x))
#define SCM_VM_FRAME_STACK_HOLDER(f) SCM_VM_FRAME_DATA(f)->stack_holder
#define SCM_VM_FRAME_FP(f) (SCM_VM_FRAME_DATA(f)->fp_offset + scm_i_frame_stack_base(f))
#define SCM_VM_FRAME_SP(f) (SCM_VM_FRAME_DATA(f)->sp_offset + scm_i_frame_stack_base(f))
#define SCM_VM_FRAME_IP(f) SCM_VM_FRAME_DATA(f)->ip
#define SCM_VM_FRAME_STACK_HOLDER(f) SCM_VM_FRAME_DATA (f)->stack_holder
#define SCM_VM_FRAME_FP_OFFSET(f) SCM_VM_FRAME_DATA (f)->fp_offset
#define SCM_VM_FRAME_SP_OFFSET(f) SCM_VM_FRAME_DATA (f)->sp_offset
#define SCM_VM_FRAME_FP(f) (SCM_VM_FRAME_FP_OFFSET (f) + scm_i_frame_stack_base (f))
#define SCM_VM_FRAME_SP(f) (SCM_VM_FRAME_SP_OFFSET (f) + scm_i_frame_stack_base (f))
#define SCM_VM_FRAME_IP(f) SCM_VM_FRAME_DATA (f)->ip
#define SCM_VM_FRAME_OFFSET(f) scm_i_frame_offset (f)
#define SCM_VALIDATE_VM_FRAME(p,x) SCM_MAKE_VALIDATE (p, x, VM_FRAME_P)