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[Runtime] Add compatibility override support for CVW runtime functions

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rdar://143429827
This commit is contained in:
Dario Rexin
2025-01-23 12:17:52 -08:00
parent 82d7260ee1
commit 92bebee121
4 changed files with 190 additions and 50 deletions
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71
stdlib/public/runtime/BytecodeLayouts.cpp
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@@ -38,6 +38,8 @@
#include <ptrauth.h>
#endif
#include "../CompatibilityOverride/CompatibilityOverride.h"
using namespace swift;
static Metadata *getExistentialTypeMetadata(OpaqueValue *object) {
@@ -897,8 +899,8 @@ static void handleRefCountsDestroy(const Metadata *metadata,
}
}
extern "C" void
swift_generic_destroy(swift::OpaqueValue *address, const Metadata *metadata) {
static void swift_generic_destroyImpl(swift::OpaqueValue *address,
const Metadata *metadata) {
const uint8_t *layoutStr = metadata->getLayoutString();
LayoutStringReader1 reader{layoutStr + layoutStringHeaderSize};
uintptr_t addrOffset = 0;
@@ -1157,9 +1159,10 @@ static void handleRefCountsInitWithCopy(const Metadata *metadata,
}
}
extern "C" swift::OpaqueValue *
swift_generic_initWithCopy(swift::OpaqueValue *_dest, swift::OpaqueValue *_src,
const Metadata *metadata) {
static swift::OpaqueValue *
swift_generic_initWithCopyImpl(swift::OpaqueValue *_dest,
swift::OpaqueValue *_src,
const Metadata *metadata) {
const uint8_t *layoutStr = metadata->getLayoutString();
LayoutStringReader1 reader{layoutStr + layoutStringHeaderSize};
uintptr_t addrOffset = 0;
@@ -1315,9 +1318,10 @@ static void handleRefCountsInitWithTake(const Metadata *metadata,
}
}
extern "C" swift::OpaqueValue *
swift_generic_initWithTake(swift::OpaqueValue *_dest, swift::OpaqueValue *_src,
const Metadata *metadata) {
static swift::OpaqueValue *
swift_generic_initWithTakeImpl(swift::OpaqueValue *_dest,
swift::OpaqueValue *_src,
const Metadata *metadata) {
if (SWIFT_LIKELY(metadata->getValueWitnesses()->isBitwiseTakable())) {
size_t size = metadata->vw_size();
memcpy(_dest, _src, size);
@@ -2067,10 +2071,10 @@ static void multiPayloadEnumFNAssignWithCopy(const Metadata *metadata,
addrOffset += enumSize;
}
extern "C" swift::OpaqueValue *
swift_generic_assignWithCopy(swift::OpaqueValue *_dest,
swift::OpaqueValue *_src,
const Metadata *metadata) {
static swift::OpaqueValue *
swift_generic_assignWithCopyImpl(swift::OpaqueValue *_dest,
swift::OpaqueValue *_src,
const Metadata *metadata) {
uint8_t *dest = (uint8_t *)_dest;
uint8_t *src = (uint8_t *)_src;
const uint8_t *layoutStr = metadata->getLayoutString();
@@ -2109,9 +2113,10 @@ void swift::swift_generic_arrayAssignWithCopy(swift::OpaqueValue *_dest,
}
}
extern "C" swift::OpaqueValue *
swift_generic_assignWithTake(swift::OpaqueValue *dest, swift::OpaqueValue *src,
const Metadata *metadata) {
static swift::OpaqueValue *
swift_generic_assignWithTakeImpl(swift::OpaqueValue *dest,
swift::OpaqueValue *src,
const Metadata *metadata) {
swift_generic_destroy(dest, metadata);
return swift_generic_initWithTake(dest, src, metadata);
}
@@ -2154,7 +2159,7 @@ static inline T handleSinglePayloadEnumSimpleTag(
xiTagBytesOffset, payloadSize, numExtraTagBytes);
}
extern "C" unsigned swift_enumSimple_getEnumTag(swift::OpaqueValue *address,
static unsigned swift_enumSimple_getEnumTagImpl(swift::OpaqueValue *address,
const Metadata *metadata) {
auto addr = reinterpret_cast<uint8_t *>(address);
LayoutStringReader reader{metadata->getLayoutString(),
@@ -2197,7 +2202,7 @@ extern "C" unsigned swift_enumSimple_getEnumTag(swift::OpaqueValue *address,
reader, addr, extraTagBytesHandler, xihandler);
}
extern "C" void swift_enumSimple_destructiveInjectEnumTag(
static void swift_enumSimple_destructiveInjectEnumTagImpl(
swift::OpaqueValue *address, unsigned tag, const Metadata *metadata) {
auto addr = reinterpret_cast<uint8_t *>(address);
LayoutStringReader reader{metadata->getLayoutString(),
@@ -2255,9 +2260,8 @@ extern "C" void swift_enumSimple_destructiveInjectEnumTag(
xihandler);
}
extern "C"
unsigned swift_enumFn_getEnumTag(swift::OpaqueValue *address,
const Metadata *metadata) {
static unsigned swift_enumFn_getEnumTagImpl(swift::OpaqueValue *address,
const Metadata *metadata) {
auto addr = reinterpret_cast<const uint8_t *>(address);
LayoutStringReader reader{metadata->getLayoutString(),
layoutStringHeaderSize + sizeof(uint64_t)};
@@ -2266,9 +2270,9 @@ unsigned swift_enumFn_getEnumTag(swift::OpaqueValue *address,
return getEnumTag(addr);
}
extern "C" unsigned
swift_multiPayloadEnumGeneric_getEnumTag(swift::OpaqueValue *address,
const Metadata *metadata) {
static unsigned
swift_multiPayloadEnumGeneric_getEnumTagImpl(swift::OpaqueValue *address,
const Metadata *metadata) {
auto addr = reinterpret_cast<const uint8_t *>(address);
LayoutStringReader1 reader{metadata->getLayoutString() +
layoutStringHeaderSize + sizeof(uint64_t)};
@@ -2295,7 +2299,7 @@ swift_multiPayloadEnumGeneric_getEnumTag(swift::OpaqueValue *address,
}
}
extern "C" void swift_multiPayloadEnumGeneric_destructiveInjectEnumTag(
static void swift_multiPayloadEnumGeneric_destructiveInjectEnumTagImpl(
swift::OpaqueValue *address, unsigned tag, const Metadata *metadata) {
auto addr = reinterpret_cast<uint8_t *>(address);
LayoutStringReader reader{metadata->getLayoutString(),
@@ -2358,9 +2362,9 @@ static inline T handleSinglePayloadEnumGenericTag(
numExtraTagBytes);
}
extern "C" unsigned
swift_singlePayloadEnumGeneric_getEnumTag(swift::OpaqueValue *address,
const Metadata *metadata) {
static unsigned
swift_singlePayloadEnumGeneric_getEnumTagImpl(swift::OpaqueValue *address,
const Metadata *metadata) {
auto addr = reinterpret_cast<uint8_t *>(address);
LayoutStringReader reader{metadata->getLayoutString(),
layoutStringHeaderSize + sizeof(uint64_t)};
@@ -2400,7 +2404,7 @@ swift_singlePayloadEnumGeneric_getEnumTag(swift::OpaqueValue *address,
reader, addr, extraTagBytesHandler, xihandler);
}
extern "C" void swift_singlePayloadEnumGeneric_destructiveInjectEnumTag(
static void swift_singlePayloadEnumGeneric_destructiveInjectEnumTagImpl(
swift::OpaqueValue *address, unsigned tag, const Metadata *metadata) {
auto addr = reinterpret_cast<uint8_t *>(address);
LayoutStringReader reader{metadata->getLayoutString(),
@@ -2458,10 +2462,10 @@ extern "C" void swift_singlePayloadEnumGeneric_destructiveInjectEnumTag(
xihandler);
}
extern "C" swift::OpaqueValue *
swift_generic_initializeBufferWithCopyOfBuffer(swift::ValueBuffer *dest,
swift::ValueBuffer *src,
const Metadata *metadata) {
static swift::OpaqueValue *
swift_generic_initializeBufferWithCopyOfBufferImpl(swift::ValueBuffer *dest,
swift::ValueBuffer *src,
const Metadata *metadata) {
if (metadata->getValueWitnesses()->isValueInline()) {
return swift_generic_initWithCopy((swift::OpaqueValue *)dest,
(swift::OpaqueValue *)src, metadata);
@@ -2591,3 +2595,6 @@ void swift_generic_instantiateLayoutString(const uint8_t* layoutStr,
Metadata* type) {
type->setLayoutString(layoutStr);
}
#define OVERRIDE_CVW COMPATIBILITY_OVERRIDE
#include "../CompatibilityOverride/CompatibilityOverrideIncludePath.h"