Differences From Artifact [70b0e206af]:
- File src/OFObject.m — part of check-in [26ddd2e4e4] at 2024-01-02 17:17:25 on branch trunk — Update copyright (user: js, size: 28712) [annotate] [blame] [check-ins using] [more...]
To Artifact [8335b4d9d4]:
- File
src/OFObject.m
— part of check-in
[2547c1c4ce]
at
2024-02-13 22:40:37
on branch trunk
— Make sure objects are correctly aligned on Windows
malloc() on Windows XP only aligns with 8 bytes, which is not enough for
SSE. (user: js, size: 29153) [annotate] [blame] [check-ins using] [more...]
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struct PreIvars {
int retainCount;
#if !defined(OF_HAVE_ATOMIC_OPS) && !defined(OF_AMIGAOS)
OFSpinlock retainCountSpinlock;
#endif
};
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struct PreIvars {
int retainCount;
#if !defined(OF_HAVE_ATOMIC_OPS) && !defined(OF_AMIGAOS)
OFSpinlock retainCountSpinlock;
#endif
};
#define PRE_IVARS_ALIGN \
OFRoundUpToPowerOf2(sizeof(struct PreIvars), OF_BIGGEST_ALIGNMENT)
#define PRE_IVARS ((struct PreIvars *)(void *)((char *)self - PRE_IVARS_ALIGN))
static struct {
Class isa;
} allocFailedException;
unsigned long OFHashSeed;
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instanceSize = class_getInstanceSize(class);
if OF_UNLIKELY (extraAlignment > 1)
extraAlignment = OFRoundUpToPowerOf2(extraAlignment,
PRE_IVARS_ALIGN + instanceSize) -
PRE_IVARS_ALIGN - instanceSize;
instance = calloc(1, PRE_IVARS_ALIGN + instanceSize +
extraAlignment + extraSize);
if OF_UNLIKELY (instance == nil) {
object_setClass((id)&allocFailedException,
[OFAllocFailedException class]);
@throw (id)&allocFailedException;
}
((struct PreIvars *)instance)->retainCount = 1;
#if !defined(OF_HAVE_ATOMIC_OPS) && !defined(OF_AMIGAOS)
if OF_UNLIKELY (OFSpinlockNew(
&((struct PreIvars *)instance)->retainCountSpinlock) != 0) {
free(instance);
@throw [OFInitializationFailedException
exceptionWithClass: class];
}
#endif
instance = (OFObject *)(void *)((char *)instance + PRE_IVARS_ALIGN);
if (!objc_constructInstance(class, instance)) {
#if !defined(OF_HAVE_ATOMIC_OPS) && !defined(OF_AMIGAOS)
OFSpinlockFree(&((struct PreIvars *)(void *)
((char *)instance - PRE_IVARS_ALIGN))->retainCountSpinlock);
#endif
free((char *)instance - PRE_IVARS_ALIGN);
@throw [OFInitializationFailedException
exceptionWithClass: class];
}
if OF_UNLIKELY (extra != NULL)
*extra = (char *)instance + instanceSize + extraAlignment;
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instanceSize = class_getInstanceSize(class);
if OF_UNLIKELY (extraAlignment > 1)
extraAlignment = OFRoundUpToPowerOf2(extraAlignment,
PRE_IVARS_ALIGN + instanceSize) -
PRE_IVARS_ALIGN - instanceSize;
#ifndef OF_WINDOWS
instance = calloc(1, PRE_IVARS_ALIGN + instanceSize +
extraAlignment + extraSize);
#else
instance = _aligned_malloc(PRE_IVARS_ALIGN + instanceSize +
extraAlignment + extraSize, OF_BIGGEST_ALIGNMENT);
memset(instance, 0, PRE_IVARS_ALIGN + instanceSize + extraAlignment +
extraSize);
#endif
if OF_UNLIKELY (instance == nil) {
object_setClass((id)&allocFailedException,
[OFAllocFailedException class]);
@throw (id)&allocFailedException;
}
((struct PreIvars *)instance)->retainCount = 1;
#if !defined(OF_HAVE_ATOMIC_OPS) && !defined(OF_AMIGAOS)
if OF_UNLIKELY (OFSpinlockNew(
&((struct PreIvars *)instance)->retainCountSpinlock) != 0) {
# ifndef OF_WINDOWS
free(instance);
# else
_aligned_free(instance);
# endif
@throw [OFInitializationFailedException
exceptionWithClass: class];
}
#endif
instance = (OFObject *)(void *)((char *)instance + PRE_IVARS_ALIGN);
if (!objc_constructInstance(class, instance)) {
#if !defined(OF_HAVE_ATOMIC_OPS) && !defined(OF_AMIGAOS)
OFSpinlockFree(&((struct PreIvars *)(void *)
((char *)instance - PRE_IVARS_ALIGN))->retainCountSpinlock);
#endif
#ifndef OF_WINDOWS
free((char *)instance - PRE_IVARS_ALIGN);
#else
_aligned_free((char *)instance - PRE_IVARS_ALIGN);
#endif
@throw [OFInitializationFailedException
exceptionWithClass: class];
}
if OF_UNLIKELY (extra != NULL)
*extra = (char *)instance + instanceSize + extraAlignment;
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{
objc_destructInstance(self);
#if !defined(OF_HAVE_ATOMIC_OPS) && !defined(OF_AMIGAOS)
OFSpinlockFree(&PRE_IVARS->retainCountSpinlock);
#endif
free((char *)self - PRE_IVARS_ALIGN);
}
/* Required to use properties with the Apple runtime */
- (id)copyWithZone: (void *)zone
{
if OF_UNLIKELY (zone != NULL) {
[self doesNotRecognizeSelector: _cmd];
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{
objc_destructInstance(self);
#if !defined(OF_HAVE_ATOMIC_OPS) && !defined(OF_AMIGAOS)
OFSpinlockFree(&PRE_IVARS->retainCountSpinlock);
#endif
#ifndef OF_WINDOWS
free((char *)self - PRE_IVARS_ALIGN);
#else
_aligned_free((char *)self - PRE_IVARS_ALIGN);
#endif
}
/* Required to use properties with the Apple runtime */
- (id)copyWithZone: (void *)zone
{
if OF_UNLIKELY (zone != NULL) {
[self doesNotRecognizeSelector: _cmd];
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