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-rw-r--r--libguile/dynstack.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/libguile/dynstack.c b/libguile/dynstack.c
index 2d8895e08..9235ec495 100644
--- a/libguile/dynstack.c
+++ b/libguile/dynstack.c
@@ -36,8 +36,8 @@
#define PROMPT_WORDS 5
#define PROMPT_KEY(top) (SCM_PACK ((top)[0]))
-#define PROMPT_FP(top) ((SCM *) ((top)[1]))
-#define PROMPT_SP(top) ((SCM *) ((top)[2]))
+#define PROMPT_FP(top) ((scm_t_ptrdiff) ((top)[1]))
+#define PROMPT_SP(top) ((scm_t_ptrdiff) ((top)[2]))
#define PROMPT_IP(top) ((scm_t_uint32 *) ((top)[3]))
#define PROMPT_JMPBUF(top) ((scm_i_jmp_buf *) ((top)[4]))
@@ -186,16 +186,16 @@ void
scm_dynstack_push_prompt (scm_t_dynstack *dynstack,
scm_t_dynstack_prompt_flags flags,
SCM key,
- SCM *fp, SCM *sp, scm_t_uint32 *ip,
- scm_i_jmp_buf *registers)
+ scm_t_ptrdiff fp_offset, scm_t_ptrdiff sp_offset,
+ scm_t_uint32 *ip, scm_i_jmp_buf *registers)
{
scm_t_bits *words;
words = push_dynstack_entry (dynstack, SCM_DYNSTACK_TYPE_PROMPT, flags,
PROMPT_WORDS);
words[0] = SCM_UNPACK (key);
- words[1] = (scm_t_bits) fp;
- words[2] = (scm_t_bits) sp;
+ words[1] = (scm_t_bits) fp_offset;
+ words[2] = (scm_t_bits) sp_offset;
words[3] = (scm_t_bits) ip;
words[4] = (scm_t_bits) registers;
}
@@ -442,8 +442,8 @@ scm_dynstack_unwind_fork (scm_t_dynstack *dynstack, scm_t_dynstack *branch)
scm_t_bits*
scm_dynstack_find_prompt (scm_t_dynstack *dynstack, SCM key,
scm_t_dynstack_prompt_flags *flags,
- SCM **fp, SCM **sp, scm_t_uint32 **ip,
- scm_i_jmp_buf **registers)
+ scm_t_ptrdiff *fp_offset, scm_t_ptrdiff *sp_offset,
+ scm_t_uint32 **ip, scm_i_jmp_buf **registers)
{
scm_t_bits *walk;
@@ -457,10 +457,10 @@ scm_dynstack_find_prompt (scm_t_dynstack *dynstack, SCM key,
{
if (flags)
*flags = SCM_DYNSTACK_TAG_FLAGS (tag);
- if (fp)
- *fp = PROMPT_FP (walk);
- if (sp)
- *sp = PROMPT_SP (walk);
+ if (fp_offset)
+ *fp_offset = PROMPT_FP (walk);
+ if (sp_offset)
+ *sp_offset = PROMPT_SP (walk);
if (ip)
*ip = PROMPT_IP (walk);
if (registers)