mirror of
https://github.com/corda/corda.git
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87b02eb949
Previously, I used a shell script to extract modification date ranges from the Git history, but that was complicated and unreliable, so now every file just gets the same year range in its copyright header. If someone needs to know when a specific file was modified and by whom, they can look at the Git history themselves; no need to include it redundantly in the header.
114 lines
3.1 KiB
C++
114 lines
3.1 KiB
C++
/* Copyright (c) 2008-2013, Avian Contributors
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Permission to use, copy, modify, and/or distribute this software
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for any purpose with or without fee is hereby granted, provided
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that the above copyright notice and this permission notice appear
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in all copies.
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There is NO WARRANTY for this software. See license.txt for
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details. */
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#ifndef AVIAN_CODEGEN_ASSEMBLER_H
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#define AVIAN_CODEGEN_ASSEMBLER_H
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#include <avian/vm/system/system.h>
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#include "avian/zone.h"
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#include <avian/vm/codegen/lir.h>
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#include <avian/vm/codegen/promise.h>
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namespace avian {
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namespace codegen {
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class Architecture;
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class OperandInfo {
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public:
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const unsigned size;
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const lir::OperandType type;
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lir::Operand* const operand;
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inline OperandInfo(unsigned size, lir::OperandType type, lir::Operand* operand):
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size(size),
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type(type),
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operand(operand)
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{ }
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};
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#ifdef AVIAN_TAILS
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const bool TailCalls = true;
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#else
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const bool TailCalls = false;
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#endif
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#if (defined AVIAN_USE_FRAME_POINTER) || (defined ARCH_powerpc)
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const bool UseFramePointer = true;
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#else
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const bool UseFramePointer = false;
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#endif
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class Assembler {
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public:
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class Client {
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public:
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virtual int acquireTemporary
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(uint32_t mask = ~static_cast<uint32_t>(0)) = 0;
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virtual void releaseTemporary(int r) = 0;
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virtual void save(int r) = 0;
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};
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class Block {
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public:
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virtual unsigned resolve(unsigned start, Block* next) = 0;
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};
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virtual void setClient(Client* client) = 0;
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virtual Architecture* arch() = 0;
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virtual void checkStackOverflow(uintptr_t handler,
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unsigned stackLimitOffsetFromThread) = 0;
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virtual void saveFrame(unsigned stackOffset, unsigned ipOffset) = 0;
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virtual void pushFrame(unsigned argumentCount, ...) = 0;
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virtual void allocateFrame(unsigned footprint) = 0;
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virtual void adjustFrame(unsigned difference) = 0;
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virtual void popFrame(unsigned footprint) = 0;
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virtual void popFrameForTailCall(unsigned footprint, int offset,
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int returnAddressSurrogate,
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int framePointerSurrogate) = 0;
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virtual void popFrameAndPopArgumentsAndReturn(unsigned frameFootprint,
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unsigned argumentFootprint)
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= 0;
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virtual void popFrameAndUpdateStackAndReturn(unsigned frameFootprint,
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unsigned stackOffsetFromThread)
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= 0;
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virtual void apply(lir::Operation op) = 0;
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virtual void apply(lir::UnaryOperation op, OperandInfo a) = 0;
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virtual void apply(lir::BinaryOperation op, OperandInfo a, OperandInfo b) = 0;
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virtual void apply(lir::TernaryOperation op, OperandInfo a, OperandInfo b, OperandInfo c) = 0;
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virtual void setDestination(uint8_t* dst) = 0;
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virtual void write() = 0;
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virtual Promise* offset(bool forTrace = false) = 0;
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virtual Block* endBlock(bool startNew) = 0;
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virtual void endEvent() = 0;
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virtual unsigned length() = 0;
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virtual unsigned footerSize() = 0;
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virtual void dispose() = 0;
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};
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} // namespace codegen
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} // namespace avian
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#endif // AVIAN_CODEGEN_ASSEMBLER_H
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