geode/loader/dobby/source/TrampolineBridge/ClosureTrampolineBridge/x64/X64AssemblyClosureTrampoline.cc
2022-07-30 19:24:03 +03:00

44 lines
No EOL
1.3 KiB
C++

#include "platform_macro.h"
#if defined(TARGET_ARCH_X64)
#include "dobby_internal.h"
#include "core/modules/assembler/assembler-x64.h"
#include "TrampolineBridge/ClosureTrampolineBridge/AssemblyClosureTrampoline.h"
using namespace zz;
using namespace zz::x64;
ClosureTrampolineEntry *ClosureTrampoline::CreateClosureTrampoline(void *carry_data, void *carry_handler) {
ClosureTrampolineEntry *entry = nullptr;
entry = new ClosureTrampolineEntry;
AssemblyCodeChunk *cchunk = MemoryArena::AllocateCodeChunk(32);
if (cchunk == nullptr) {
return NULL;
}
#define _ turbo_assembler_.
#define __ turbo_assembler_.GetCodeBuffer()->
TurboAssembler turbo_assembler_(0);
char *push_rip_6 = (char *)"\xff\x35\x06\x00\x00\x00";
char *jmp_rip_8 = (char *)"\xff\x25\x08\x00\x00\x00";
__ EmitBuffer(push_rip_6, 6);
__ EmitBuffer(jmp_rip_8, 6);
__ Emit64((uint64_t)entry);
__ Emit64((uint64_t)get_closure_bridge());
entry->address = (void *)cchunk->raw_instruction_start();
entry->size = cchunk->raw_instruction_size();
entry->carry_data = carry_data;
entry->carry_handler = carry_handler;
CodeBufferBase *buffer = reinterpret_cast<CodeBufferBase *>(turbo_assembler_.GetCodeBuffer());
CodePatch(cchunk->address, (uint8_t *)buffer->getRawBuffer(), buffer->getSize());
return entry;
}
#endif