bitfield support

[m6w6/ext-psi] / src / libffi.c

diff --git a/src/libffi.c b/src/libffi.c
index 644b0fed5d8b6d70f64dd34205d62081653b34cd..f607c39a9c3ba15e049b294d06a7f8e602d052ee 100644 (file)
--- a/src/libffi.c
+++ b/src/libffi.c
@@ -300,14 +300,21 @@ static size_t psi_ffi_struct_type_pad(ffi_type **els, size_t padding) {
 }
 
 static ffi_type **psi_ffi_struct_type_elements(struct psi_decl_struct *strct) {
-       size_t i = 0, argc = psi_plist_count(strct->args), nels = 0, offset = 0, maxalign = 0;
+       size_t i = 0, argc = psi_plist_count(strct->args), nels = 0, offset = 0, maxalign = 0, last_arg_pos = -1;
        ffi_type **tmp, **els = calloc(argc + 1, sizeof(*els));
        struct psi_decl_arg *darg;
 
        while (psi_plist_get(strct->args, i++, &darg)) {
-               ffi_type *type = malloc(sizeof(*type));
+               ffi_type *type;
                size_t padding;
 
+               if (darg->layout->pos == last_arg_pos) {
+                       /* skip bit fields */
+                       continue;
+               }
+               last_arg_pos = darg->layout->pos;
+
+               type = malloc(sizeof(*type));
                *type = *psi_ffi_decl_arg_type(darg);
 
                if (type->alignment > maxalign) {