77 lines
3.4 KiB
C
77 lines
3.4 KiB
C
// Copyright 2019 Google
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include "Crashlytics/Crashlytics/Helpers/FIRCLSFeatures.h"
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#include "Crashlytics/Crashlytics/Unwind/Compact/FIRCLSCompactUnwind.h"
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// Add some abstraction to compact unwinding, because compact
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// unwinding is nearly identical between 32 and 64 bit
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#if CLS_CPU_X86_64
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#define CLS_X86_MODE_MASK UNWIND_X86_64_MODE_MASK
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#define CLS_X86_MODE_BP_FRAME UNWIND_X86_64_MODE_RBP_FRAME
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#define CLS_X86_MODE_STACK_IMMD UNWIND_X86_64_MODE_STACK_IMMD
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#define CLS_X86_MODE_STACK_IND UNWIND_X86_64_MODE_STACK_IND
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#define CLS_X86_MODE_DWARF UNWIND_X86_64_MODE_DWARF
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#define CLS_X86_BP_FRAME_REGISTERS UNWIND_X86_64_RBP_FRAME_REGISTERS
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#define CLS_X86_BP_FRAME_OFFSET UNWIND_X86_64_RBP_FRAME_OFFSET
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#define CLS_X86_FRAMELESS_STACK_SIZE UNWIND_X86_64_FRAMELESS_STACK_SIZE
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#define CLS_X86_FRAMELESS_STACK_ADJUST UNWIND_X86_64_FRAMELESS_STACK_ADJUST
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#define CLS_X86_FRAMELESS_STACK_REG_COUNT UNWIND_X86_64_FRAMELESS_STACK_REG_COUNT
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#define CLS_X86_FRAMELESS_STACK_REG_PERMUTATION UNWIND_X86_64_FRAMELESS_STACK_REG_PERMUTATION
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#define CLS_X86_DWARF_SECTION_OFFSET UNWIND_X86_64_DWARF_SECTION_OFFSET
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#define CLS_X86_REG_RBP UNWIND_X86_64_REG_RBP
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#else
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#define CLS_X86_MODE_MASK UNWIND_X86_MODE_MASK
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#define CLS_X86_MODE_BP_FRAME UNWIND_X86_MODE_EBP_FRAME
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#define CLS_X86_MODE_STACK_IMMD UNWIND_X86_MODE_STACK_IMMD
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#define CLS_X86_MODE_STACK_IND UNWIND_X86_MODE_STACK_IND
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#define CLS_X86_MODE_DWARF UNWIND_X86_MODE_DWARF
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#define CLS_X86_BP_FRAME_REGISTERS UNWIND_X86_RBP_FRAME_REGISTERS
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#define CLS_X86_BP_FRAME_OFFSET UNWIND_X86_RBP_FRAME_OFFSET
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#define CLS_X86_FRAMELESS_STACK_SIZE UNWIND_X86_FRAMELESS_STACK_SIZE
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#define CLS_X86_FRAMELESS_STACK_ADJUST UNWIND_X86_FRAMELESS_STACK_ADJUST
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#define CLS_X86_FRAMELESS_STACK_REG_COUNT UNWIND_X86_FRAMELESS_STACK_REG_COUNT
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#define CLS_X86_FRAMELESS_STACK_REG_PERMUTATION UNWIND_X86_FRAMELESS_STACK_REG_PERMUTATION
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#define CLS_X86_DWARF_SECTION_OFFSET UNWIND_X86_DWARF_SECTION_OFFSET
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#define CLS_X86_REG_RBP UNWIND_X86_REG_EBP
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#endif
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#if CLS_COMPACT_UNWINDING_SUPPORTED
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bool FIRCLSCompactUnwindComputeStackSize(const compact_unwind_encoding_t encoding,
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const uintptr_t functionStart,
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const bool indirect,
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uint32_t* const stackSize);
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bool FIRCLSCompactUnwindDecompressPermutation(const compact_unwind_encoding_t encoding,
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uintptr_t permutatedRegisters[const static 6]);
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bool FIRCLSCompactUnwindRestoreRegisters(compact_unwind_encoding_t encoding,
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FIRCLSThreadContext* registers,
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uint32_t stackSize,
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const uintptr_t savedRegisters[const static 6],
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uintptr_t* address);
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#endif
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