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51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
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#include "platform_macro.h"
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#if defined(TARGET_ARCH_ARM)
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#include "dobby_internal.h"
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#include "core/modules/assembler/assembler-arm.h"
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#include "TrampolineBridge/ClosureTrampolineBridge/AssemblyClosureTrampoline.h"
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using namespace zz;
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using namespace zz::arm;
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ClosureTrampolineEntry *ClosureTrampoline::CreateClosureTrampoline(void *carry_data, void *carry_handler) {
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ClosureTrampolineEntry *entry = nullptr;
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entry = new ClosureTrampolineEntry;
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#ifdef ENABLE_CLOSURE_TRAMPOLINE_TEMPLATE
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#define CLOSURE_TRAMPOLINE_SIZE (7 * 4)
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// use closure trampoline template code, find the executable memory and patch it.
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Code *code = Code::FinalizeCodeFromAddress(closure_trampoline_template, CLOSURE_TRAMPOLINE_SIZE);
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#else
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// use assembler and codegen modules instead of template_code
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#include "TrampolineBridge/ClosureTrampolineBridge/AssemblyClosureTrampoline.h"
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#define _ turbo_assembler_.
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TurboAssembler turbo_assembler_(0);
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PseudoLabel entry_label;
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PseudoLabel forward_bridge_label;
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_ Ldr(r12, &entry_label);
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_ Ldr(pc, &forward_bridge_label);
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_ PseudoBind(&entry_label);
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_ EmitAddress((uint32_t)entry);
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_ PseudoBind(&forward_bridge_label);
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_ EmitAddress((uint32_t)get_closure_bridge());
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AssemblyCodeChunk *code = nullptr;
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code = AssemblyCodeBuilder::FinalizeFromTurboAssembler(&turbo_assembler_);
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entry->address = (void *)code->raw_instruction_start();
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entry->size = code->raw_instruction_size();
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entry->carry_data = carry_data;
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entry->carry_handler = carry_handler;
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delete code;
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return entry;
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#endif
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}
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#endif
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