80 lines
2.0 KiB
C++
80 lines
2.0 KiB
C++
// vim: set sts=2 ts=8 sw=2 tw=99 et:
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//
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// Copyright (C) 2006-2015 AlliedModders LLC
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//
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// This file is part of SourcePawn. SourcePawn is free software: you can
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// redistribute it and/or modify it under the terms of the GNU General Public
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// License as published by the Free Software Foundation, either version 3 of
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// the License, or (at your option) any later version.
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//
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// You should have received a copy of the GNU General Public License along with
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// SourcePawn. If not, see http://www.gnu.org/licenses/.
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//
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#ifndef _INCLUDE_SOURCEPAWN_JIT2_FUNCTION_H_
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#define _INCLUDE_SOURCEPAWN_JIT2_FUNCTION_H_
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#include <sp_vm_types.h>
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#include <am-fixedarray.h>
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#include <am-refcounting.h>
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namespace sp {
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using namespace ke;
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struct LoopEdge
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{
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// Offset to the patchable jump instruction, such that (base + offset - 4)
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// yields a patchable location.
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uint32_t offset;
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// The displacement to either the timeout routine or the original
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// displacement, depending on the timeout state.
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int32_t disp32;
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};
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struct CipMapEntry {
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// Offset from the first cip of the function.
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uint32_t cipoffs;
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// Offset from the first pc of the function.
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uint32_t pcoffs;
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};
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static const ucell_t kInvalidCip = 0xffffffff;
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class CompiledFunction
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{
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public:
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CompiledFunction(void *entry_addr,
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size_t code_length,
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cell_t pcode_offs,
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FixedArray<LoopEdge> *edges,
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FixedArray<CipMapEntry> *cip_map);
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~CompiledFunction();
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public:
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void *GetEntryAddress() const {
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return entry_;
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}
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cell_t GetCodeOffset() const {
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return code_offset_;
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}
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uint32_t NumLoopEdges() const {
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return edges_->length();
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}
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LoopEdge &GetLoopEdge(size_t i) {
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return edges_->at(i);
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}
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ucell_t FindCipByPc(void *pc);
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private:
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void *entry_;
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size_t code_length_;
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cell_t code_offset_;
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AutoPtr<FixedArray<LoopEdge>> edges_;
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AutoPtr<FixedArray<CipMapEntry>> cip_map_;
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};
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}
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#endif //_INCLUDE_SOURCEPAWN_JIT2_FUNCTION_H_
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