mirror of
https://github.com/geode-sdk/geode.git
synced 2024-12-04 05:01:06 -05:00
63 lines
1.7 KiB
C++
63 lines
1.7 KiB
C++
#include "platform_macro.h"
|
|
#if defined(TARGET_ARCH_ARM64)
|
|
|
|
#include "dobby_internal.h"
|
|
|
|
#include "core/modules/assembler/assembler-arm64.h"
|
|
|
|
#include "TrampolineBridge/ClosureTrampolineBridge/AssemblyClosureTrampoline.h"
|
|
|
|
using namespace zz;
|
|
using namespace zz::arm64;
|
|
|
|
// // tips
|
|
// _ ldr(TMP_REG_1, OFFSETOF(ClosureTrampolineEntry, carry_data));
|
|
// _ ldr(TMP_REG_0, OFFSETOF(ClosureTrampolineEntry, carry_handler));
|
|
|
|
// use assembler and codegen modules instead of template_code
|
|
ClosureTrampolineEntry *ClosureTrampoline::CreateClosureTrampoline(void *carry_data, void *carry_handler) {
|
|
ClosureTrampolineEntry *entry = nullptr;
|
|
entry = new ClosureTrampolineEntry;
|
|
|
|
#define _ turbo_assembler_.
|
|
TurboAssembler turbo_assembler_(0);
|
|
|
|
PseudoLabel entry_label;
|
|
PseudoLabel forward_bridge_label;
|
|
|
|
// prologue: alloc stack, store lr
|
|
_ sub(SP, SP, 2 * 8);
|
|
_ str(x30, MemOperand(SP, 8));
|
|
|
|
// store data at stack
|
|
_ Ldr(TMP_REG_0, &entry_label);
|
|
_ str(TMP_REG_0, MemOperand(SP, 0));
|
|
|
|
_ Ldr(TMP_REG_0, &forward_bridge_label);
|
|
_ blr(TMP_REG_0);
|
|
|
|
// epilogue: release stack(won't restore lr)
|
|
_ ldr(x30, MemOperand(SP, 8));
|
|
_ add(SP, SP, 2 * 8);
|
|
|
|
// branch to next hop
|
|
_ br(TMP_REG_0);
|
|
|
|
_ PseudoBind(&entry_label);
|
|
_ EmitInt64((uint64_t)entry);
|
|
_ PseudoBind(&forward_bridge_label);
|
|
_ EmitInt64((uint64_t)get_closure_bridge());
|
|
|
|
AssemblyCodeChunk *code = nullptr;
|
|
code = AssemblyCodeBuilder::FinalizeFromTurboAssembler(reinterpret_cast<AssemblerBase *>(&turbo_assembler_));
|
|
|
|
entry->address = (void *)code->raw_instruction_start();
|
|
entry->size = code->raw_instruction_size();
|
|
entry->carry_data = carry_data;
|
|
entry->carry_handler = carry_handler;
|
|
|
|
delete code;
|
|
return entry;
|
|
}
|
|
|
|
#endif
|