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Parenthesize and type SCM_FRAME' macros; check layout of scm_vm_frame'.

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* libguile/frames.c: Add compile-time assertions on the layout of
  `struct scm_vm_frame'.
  (RELOC): Parenthesize and type VAL.

* libguile/frames.h (SCM_FRAME_STRUCT): Write in terms of
  `SCM_FRAME_DATA_ADDRESS'.
  (SCM_FRAME_DATA_ADDRESS): Parenthesize and type FP.
  (SCM_FRAME_SET_DYNAMIC_LINK): Write in terms of
  `SCM_FRAME_DYNAMIC_LINK'.

* libguile/vm.c (RELOC): Parenthesize and type SCM_P.
This commit is contained in:
Ludovic Courtès 2012-01-22 23:20:50 +01:00
parent 17cc6e40a9
commit 0fc9040fa2
3 changed files with 16 additions and 7 deletions
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7
libguile/frames.h
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@ -70,9 +70,10 @@ struct scm_vm_frame
SCM stack[1]; /* Variable-length */
};
#define SCM_FRAME_STRUCT(fp) ((struct scm_vm_frame*)(((SCM*)(fp)) - 4))
#define SCM_FRAME_STRUCT(fp) \
((struct scm_vm_frame *) SCM_FRAME_DATA_ADDRESS (fp))
#define SCM_FRAME_DATA_ADDRESS(fp) (fp - 4)
#define SCM_FRAME_DATA_ADDRESS(fp) (((SCM *) (fp)) - 4)
#define SCM_FRAME_STACK_ADDRESS(fp) (SCM_FRAME_STRUCT (fp)->stack)
#define SCM_FRAME_UPPER_ADDRESS(fp) ((SCM*)&SCM_FRAME_STRUCT (fp)->return_address)
#define SCM_FRAME_LOWER_ADDRESS(fp) ((SCM*)SCM_FRAME_STRUCT (fp))
@ -91,7 +92,7 @@ struct scm_vm_frame
#define SCM_FRAME_DYNAMIC_LINK(fp) \
(SCM_FRAME_STRUCT (fp)->dynamic_link)
#define SCM_FRAME_SET_DYNAMIC_LINK(fp, dl) \
SCM_FRAME_STRUCT (fp)->dynamic_link = (dl)
SCM_FRAME_DYNAMIC_LINK (fp) = (dl)
#define SCM_FRAME_VARIABLE(fp,i) \
(SCM_FRAME_STRUCT (fp)->stack[i])
#define SCM_FRAME_PROGRAM(fp) \