mirror/guile
mirror/guile
1
Fork 0
mirror of https://git.savannah.gnu.org/git/guile.git synced 2025-04-30 11:50:28 +02:00
Code Activity

Use Gnulib's `alignof' module.

Browse source 
* m4/gnulib-cache.m4: Use `alignof'.

* libguile/objcodes.c (scm_c_make_objcode_slice): Use `alignof_type'.
This commit is contained in:
Ludovic Courtès 2009-11-15 20:53:21 +01:00
parent 3452e6667f
commit 1119e49368
3 changed files with 6 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

6
libguile/objcodes.c
View file

@ -27,6 +27,7 @@
#include <sys/stat.h>
#include <sys/types.h>
#include <assert.h>
#include <alignof.h>
#include "_scm.h"
#include "vm-bootstrap.h"
@ -119,11 +120,10 @@ scm_c_make_objcode_slice (SCM parent, const scm_t_uint8 *ptr)
scm_from_uint32 (parent_data->len),
scm_from_uint32 (parent_data->metalen)));
#ifdef __GNUC__ /* we need `__alignof__' */
/* Make sure bytecode for the objcode-meta is suitable aligned. Failing to
do so leads to SIGBUS/SIGSEGV on some arches (e.g., SPARC). */
assert ((((scm_t_bits) ptr) & (__alignof__ (struct scm_objcode) - 1UL)) == 0);
#endif
assert ((((scm_t_bits) ptr) &
(alignof_type (struct scm_objcode) - 1UL)) == 0);
data = (struct scm_objcode*)ptr;
if (data->base + data->len + data->metalen > parent_data->base + parent_data->len + parent_data->metalen)