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-rw-r--r--libguile/frames.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libguile/frames.c b/libguile/frames.c
index cf9648d57..2162f49ce 100644
--- a/libguile/frames.c
+++ b/libguile/frames.c
@@ -277,7 +277,7 @@ SCM_DEFINE (scm_frame_address, "frame-address", 1, 0, 0,
#define FUNC_NAME s_scm_frame_address
{
SCM_VALIDATE_VM_FRAME (1, frame);
- return scm_from_uintptr_t ((scm_t_uintptr) SCM_VM_FRAME_FP (frame));
+ return scm_from_ptrdiff_t (SCM_VM_FRAME_FP_OFFSET (frame));
}
#undef FUNC_NAME
@@ -288,7 +288,7 @@ SCM_DEFINE (scm_frame_stack_pointer, "frame-stack-pointer", 1, 0, 0,
{
SCM_VALIDATE_VM_FRAME (1, frame);
- return scm_from_uintptr_t ((scm_t_uintptr) SCM_VM_FRAME_SP (frame));
+ return scm_from_ptrdiff_t (SCM_VM_FRAME_SP_OFFSET (frame));
}
#undef FUNC_NAME