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![Liam Appelbe](/assets/img/avatar_default.png)
Patchset 1 contains just the usings I deleted (<100 lines). All the other diffs in the rest of the CL are just fixing all the places that were broken by this. Bug: https://github.com/dart-lang/sdk/issues/36839 Change-Id: I3bb4fa62ab4363ded81fd7c2815b857f91886dd6 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/108502 Commit-Queue: Liam Appelbe <liama@google.com> Reviewed-by: Siva Annamalai <asiva@google.com>
76 lines
2.8 KiB
C++
76 lines
2.8 KiB
C++
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/globals.h"
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#if defined(TARGET_ARCH_ARM)
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#include "vm/runtime_entry.h"
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#include "vm/compiler/assembler/assembler.h"
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#include "vm/simulator.h"
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#include "vm/stub_code.h"
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namespace dart {
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#define __ assembler->
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uword RuntimeEntry::GetEntryPoint() const {
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// Compute the effective address. When running under the simulator,
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// this is a redirection address that forces the simulator to call
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// into the runtime system.
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uword entry = reinterpret_cast<uword>(function());
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#if defined(USING_SIMULATOR)
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// Redirection to leaf runtime calls supports a maximum of 4 arguments passed
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// in registers (maximum 2 double arguments for leaf float runtime calls).
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ASSERT(argument_count() >= 0);
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ASSERT(!is_leaf() || (!is_float() && (argument_count() <= 4)) ||
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(argument_count() <= 2));
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Simulator::CallKind call_kind =
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is_leaf() ? (is_float() ? Simulator::kLeafFloatRuntimeCall
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: Simulator::kLeafRuntimeCall)
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: Simulator::kRuntimeCall;
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entry =
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Simulator::RedirectExternalReference(entry, call_kind, argument_count());
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#endif
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return entry;
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}
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#if !defined(DART_PRECOMPILED_RUNTIME)
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// Generate code to call into the stub which will call the runtime
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// function. Input for the stub is as follows:
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// SP : points to the arguments and return value array.
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// R9 : address of the runtime function to call.
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// R4 : number of arguments to the call.
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void RuntimeEntry::CallInternal(const RuntimeEntry* runtime_entry,
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compiler::Assembler* assembler,
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intptr_t argument_count) {
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if (runtime_entry->is_leaf()) {
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ASSERT(argument_count == runtime_entry->argument_count());
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__ LoadFromOffset(
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kWord, TMP, THR,
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compiler::target::Thread::OffsetFromThread(runtime_entry));
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__ str(TMP,
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compiler::Address(THR, compiler::target::Thread::vm_tag_offset()));
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__ blx(TMP);
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__ LoadImmediate(TMP, VMTag::kDartCompiledTagId);
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__ str(TMP,
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compiler::Address(THR, compiler::target::Thread::vm_tag_offset()));
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ASSERT((kAbiPreservedCpuRegs & (1 << THR)) != 0);
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ASSERT((kAbiPreservedCpuRegs & (1 << PP)) != 0);
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} else {
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// Argument count is not checked here, but in the runtime entry for a more
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// informative error message.
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__ LoadFromOffset(
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kWord, R9, THR,
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compiler::target::Thread::OffsetFromThread(runtime_entry));
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__ LoadImmediate(R4, argument_count);
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__ BranchLinkToRuntime();
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}
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}
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#endif // !defined(DART_PRECOMPILED_RUNTIME)
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} // namespace dart
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#endif // defined TARGET_ARCH_ARM
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