diff options
Diffstat (limited to 'libguile/frames.h')
-rw-r--r-- | libguile/frames.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/libguile/frames.h b/libguile/frames.h index cae2bd0c0..71d5b124d 100644 --- a/libguile/frames.h +++ b/libguile/frames.h @@ -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) \ |