| Index: src/IceAssembler.cpp
|
| diff --git a/src/assembler.cpp b/src/IceAssembler.cpp
|
| similarity index 66%
|
| rename from src/assembler.cpp
|
| rename to src/IceAssembler.cpp
|
| index 931998e2b72c73dae1732b32d0aa9df2b0a53e67..a0500d62bbda846787ceb4b455f345603a685135 100644
|
| --- a/src/assembler.cpp
|
| +++ b/src/IceAssembler.cpp
|
| @@ -1,4 +1,4 @@
|
| -//===- subzero/src/assembler.cpp - Assembler base class -------------------===//
|
| +//===- subzero/src/IceAssembler.cpp - Assembler base class ----------------===//
|
| // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
|
| // for details. All rights reserved. Use of this source code is governed by a
|
| // BSD-style license that can be found in the LICENSE file.
|
| @@ -18,81 +18,81 @@
|
| //
|
| //===----------------------------------------------------------------------===//
|
| //
|
| -// This file implements the Assembler class.
|
| +// This file implements the Assembler base class.
|
| //
|
| //===----------------------------------------------------------------------===//
|
|
|
| -#include "assembler.h"
|
| +#include "IceAssembler.h"
|
| #include "IceGlobalContext.h"
|
| #include "IceOperand.h"
|
|
|
| namespace Ice {
|
|
|
| -static uintptr_t NewContents(Assembler &assembler, intptr_t capacity) {
|
| - uintptr_t result = assembler.AllocateBytes(capacity);
|
| - return result;
|
| +static uintptr_t NewContents(Assembler &Assemblr, intptr_t Capacity) {
|
| + uintptr_t Result = Assemblr.allocateBytes(Capacity);
|
| + return Result;
|
| }
|
|
|
| AssemblerFixup *AssemblerBuffer::createFixup(FixupKind Kind,
|
| const Constant *Value) {
|
| AssemblerFixup *F =
|
| - new (assembler_.Allocate<AssemblerFixup>()) AssemblerFixup();
|
| + new (Assemblr.allocate<AssemblerFixup>()) AssemblerFixup();
|
| F->set_position(0);
|
| F->set_kind(Kind);
|
| F->set_value(Value);
|
| - if (!assembler_.getPreliminary())
|
| - fixups_.push_back(F);
|
| + if (!Assemblr.getPreliminary())
|
| + Fixups.push_back(F);
|
| return F;
|
| }
|
|
|
| #ifndef NDEBUG
|
| AssemblerBuffer::EnsureCapacity::EnsureCapacity(AssemblerBuffer *buffer) {
|
| if (buffer->cursor() >= buffer->limit())
|
| - buffer->ExtendCapacity();
|
| + buffer->extendCapacity();
|
| // In debug mode, we save the assembler buffer along with the gap
|
| // size before we start emitting to the buffer. This allows us to
|
| // check that any single generated instruction doesn't overflow the
|
| // limit implied by the minimum gap size.
|
| - buffer_ = buffer;
|
| - gap_ = ComputeGap();
|
| + Buffer = buffer;
|
| + Gap = computeGap();
|
| // Make sure that extending the capacity leaves a big enough gap
|
| // for any kind of instruction.
|
| - assert(gap_ >= kMinimumGap);
|
| + assert(Gap >= kMinimumGap);
|
| // Mark the buffer as having ensured the capacity.
|
| - assert(!buffer->HasEnsuredCapacity()); // Cannot nest.
|
| - buffer->has_ensured_capacity_ = true;
|
| + assert(!buffer->hasEnsuredCapacity()); // Cannot nest.
|
| + buffer->HasEnsuredCapacity = true;
|
| }
|
|
|
| AssemblerBuffer::EnsureCapacity::~EnsureCapacity() {
|
| // Unmark the buffer, so we cannot emit after this.
|
| - buffer_->has_ensured_capacity_ = false;
|
| + Buffer->HasEnsuredCapacity = false;
|
| // Make sure the generated instruction doesn't take up more
|
| // space than the minimum gap.
|
| - intptr_t delta = gap_ - ComputeGap();
|
| + intptr_t delta = Gap - computeGap();
|
| assert(delta <= kMinimumGap);
|
| }
|
| #endif // !NDEBUG
|
|
|
| -AssemblerBuffer::AssemblerBuffer(Assembler &assembler) : assembler_(assembler) {
|
| +AssemblerBuffer::AssemblerBuffer(Assembler &Asm) : Assemblr(Asm) {
|
| const intptr_t OneKB = 1024;
|
| static const intptr_t kInitialBufferCapacity = 4 * OneKB;
|
| - contents_ = NewContents(assembler_, kInitialBufferCapacity);
|
| - cursor_ = contents_;
|
| - limit_ = ComputeLimit(contents_, kInitialBufferCapacity);
|
| + Contents = NewContents(Assemblr, kInitialBufferCapacity);
|
| + Cursor = Contents;
|
| + Limit = computeLimit(Contents, kInitialBufferCapacity);
|
| #ifndef NDEBUG
|
| - has_ensured_capacity_ = false;
|
| + HasEnsuredCapacity = false;
|
| #endif // !NDEBUG
|
|
|
| // Verify internal state.
|
| - assert(Capacity() == kInitialBufferCapacity);
|
| - assert(Size() == 0);
|
| + assert(capacity() == kInitialBufferCapacity);
|
| + assert(size() == 0);
|
| }
|
|
|
| AssemblerBuffer::~AssemblerBuffer() {}
|
|
|
| -void AssemblerBuffer::ExtendCapacity() {
|
| - intptr_t old_size = Size();
|
| - intptr_t old_capacity = Capacity();
|
| +void AssemblerBuffer::extendCapacity() {
|
| + intptr_t old_size = size();
|
| + intptr_t old_capacity = capacity();
|
| const intptr_t OneMB = 1 << 20;
|
| intptr_t new_capacity = std::min(old_capacity * 2, old_capacity + OneMB);
|
| if (new_capacity < old_capacity) {
|
| @@ -101,42 +101,42 @@ void AssemblerBuffer::ExtendCapacity() {
|
| }
|
|
|
| // Allocate the new data area and copy contents of the old one to it.
|
| - uintptr_t new_contents = NewContents(assembler_, new_capacity);
|
| + uintptr_t new_contents = NewContents(Assemblr, new_capacity);
|
| memmove(reinterpret_cast<void *>(new_contents),
|
| - reinterpret_cast<void *>(contents_), old_size);
|
| + reinterpret_cast<void *>(Contents), old_size);
|
|
|
| // Compute the relocation delta and switch to the new contents area.
|
| - intptr_t delta = new_contents - contents_;
|
| - contents_ = new_contents;
|
| + intptr_t delta = new_contents - Contents;
|
| + Contents = new_contents;
|
|
|
| // Update the cursor and recompute the limit.
|
| - cursor_ += delta;
|
| - limit_ = ComputeLimit(new_contents, new_capacity);
|
| + Cursor += delta;
|
| + Limit = computeLimit(new_contents, new_capacity);
|
|
|
| // Verify internal state.
|
| - assert(Capacity() == new_capacity);
|
| - assert(Size() == old_size);
|
| + assert(capacity() == new_capacity);
|
| + assert(size() == old_size);
|
| }
|
|
|
| llvm::StringRef Assembler::getBufferView() const {
|
| - return llvm::StringRef(reinterpret_cast<const char *>(buffer_.contents()),
|
| - buffer_.Size());
|
| + return llvm::StringRef(reinterpret_cast<const char *>(Buffer.contents()),
|
| + Buffer.size());
|
| }
|
|
|
| void Assembler::emitIASBytes(GlobalContext *Ctx) const {
|
| Ostream &Str = Ctx->getStrEmit();
|
| - intptr_t EndPosition = buffer_.Size();
|
| + intptr_t EndPosition = Buffer.size();
|
| intptr_t CurPosition = 0;
|
| const intptr_t FixupSize = 4;
|
| for (const AssemblerFixup *NextFixup : fixups()) {
|
| intptr_t NextFixupLoc = NextFixup->position();
|
| for (intptr_t i = CurPosition; i < NextFixupLoc; ++i) {
|
| Str << "\t.byte 0x";
|
| - Str.write_hex(buffer_.Load<uint8_t>(i));
|
| + Str.write_hex(Buffer.load<uint8_t>(i));
|
| Str << "\n";
|
| }
|
| Str << "\t.long ";
|
| - NextFixup->emit(Ctx, buffer_.Load<RelocOffsetT>(NextFixupLoc));
|
| + NextFixup->emit(Ctx, Buffer.load<RelocOffsetT>(NextFixupLoc));
|
| if (fixupIsPCRel(NextFixup->kind()))
|
| Str << " - .";
|
| Str << "\n";
|
| @@ -146,7 +146,7 @@ void Assembler::emitIASBytes(GlobalContext *Ctx) const {
|
| // Handle any bytes that are not prefixed by a fixup.
|
| for (intptr_t i = CurPosition; i < EndPosition; ++i) {
|
| Str << "\t.byte 0x";
|
| - Str.write_hex(buffer_.Load<uint8_t>(i));
|
| + Str.write_hex(Buffer.load<uint8_t>(i));
|
| Str << "\n";
|
| }
|
| }
|
|
|