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fix a number of assumptions that a pointer could fit into a long

Browse source 
* libguile/debug.c:
* libguile/eval.c:
* libguile/frames.c:
* libguile/objcodes.c:
* libguile/print.c:
* libguile/programs.c:
* libguile/read.c:
* libguile/struct.c:
* libguile/vm.c: Fix a number of instances in which we assumed we could
  fit a pointer into a long.
This commit is contained in:
Andy Wingo 2010-11-18 22:30:27 +01:00
parent f0c56cadfd
commit 3d27ef4bd3
9 changed files with 28 additions and 27 deletions
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11
libguile/objcodes.c
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@ -123,11 +123,12 @@ scm_c_make_objcode_slice (SCM parent, const scm_t_uint8 *ptr)
if (ptr < parent_base
|| ptr >= (parent_base + parent_data->len + parent_data->metalen
- sizeof (struct scm_objcode)))
scm_misc_error (FUNC_NAME, "offset out of bounds (~a vs ~a + ~a + ~a)",
scm_list_4 (scm_from_ulong ((unsigned long) ptr),
scm_from_ulong ((unsigned long) parent_base),
scm_from_uint32 (parent_data->len),
scm_from_uint32 (parent_data->metalen)));
scm_misc_error
(FUNC_NAME, "offset out of bounds (~a vs ~a + ~a + ~a)",
scm_list_4 (scm_from_unsigned_integer ((scm_t_bits) ptr),
scm_from_unsigned_integer ((scm_t_bits) parent_base),
scm_from_uint32 (parent_data->len),
scm_from_uint32 (parent_data->metalen)));
/* Make sure bytecode for the objcode-meta is suitable aligned. Failing to
do so leads to SIGBUS/SIGSEGV on some arches (e.g., SPARC). */