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a bit step towards removing obsolete mframe code.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@28774 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
rfm 2009-10-04 15:26:07 +00:00
parent a3f90412f0
commit 2fc494c446
18 changed files with 134 additions and 1987 deletions
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25
Source/callframe.m
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@ -42,11 +42,12 @@ typedef int smallret_t;
#endif
callframe_t *
callframe_from_info (NSArgumentInfo *info, int numargs, void **retval)
callframe_from_signature (NSMethodSignature *info, void **retval)
{
unsigned size = sizeof(callframe_t);
unsigned align = __alignof(double);
unsigned offset = 0;
unsigned numargs = [info numberOfArguments];
void *buf;
int i;
callframe_t *cframe;
@ -65,8 +66,9 @@ callframe_from_info (NSArgumentInfo *info, int numargs, void **retval)
}
for (i = 0; i < numargs; i++)
{
size += info[i+1].size;
const char *type = [info getArgumentTypeAtIndex: i];
size += objc_sizeof_type (type);
if (size % align != 0)
{
size += (align - size % align);
@ -81,15 +83,26 @@ callframe_from_info (NSArgumentInfo *info, int numargs, void **retval)
*/
if (retval)
{
unsigned full = size;
unsigned pos;
const char *type = [info methodReturnType];
unsigned full = size;
unsigned pos;
unsigned ret;
if (full % align != 0)
{
full += (align - full % align);
}
if (full % 8 != 0)
{
full += (8 - full % 8);
}
pos = full;
full += MAX(info[0].size, sizeof(smallret_t));
ret = MAX(objc_sizeof_type (type), sizeof(double));
/* The addition of a constant '8' is a fudge applied simply because
* some return values write beynd the end of the memory if the buffer
* is sized exactly ... don't know why.
*/
full += ret + 8;
#if GS_WITH_GC
cframe = buf = NSAllocateCollectable(full, NSScannedOption);
#else
@ -122,7 +135,7 @@ callframe_from_info (NSArgumentInfo *info, int numargs, void **retval)
{
cframe->args[i] = buf + offset;
offset += info[i+1].size;
offset += objc_sizeof_type ([info getArgumentTypeAtIndex: i]);
if (offset % align != 0)
{