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Diffstat (limited to 'disas/libvixl/vixl/a64/disasm-a64.h')
| -rw-r--r-- | disas/libvixl/vixl/a64/disasm-a64.h | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/disas/libvixl/vixl/a64/disasm-a64.h b/disas/libvixl/vixl/a64/disasm-a64.h deleted file mode 100644 index 930df6ea6a..0000000000 --- a/disas/libvixl/vixl/a64/disasm-a64.h +++ /dev/null @@ -1,177 +0,0 @@ -// Copyright 2015, ARM Limited -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are met: -// -// * Redistributions of source code must retain the above copyright notice, -// this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above copyright notice, -// this list of conditions and the following disclaimer in the documentation -// and/or other materials provided with the distribution. -// * Neither the name of ARM Limited nor the names of its contributors may be -// used to endorse or promote products derived from this software without -// specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND -// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE -// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, -// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -#ifndef VIXL_A64_DISASM_A64_H -#define VIXL_A64_DISASM_A64_H - -#include "vixl/globals.h" -#include "vixl/utils.h" -#include "vixl/a64/instructions-a64.h" -#include "vixl/a64/decoder-a64.h" -#include "vixl/a64/assembler-a64.h" - -namespace vixl { - -class Disassembler: public DecoderVisitor { - public: - Disassembler(); - Disassembler(char* text_buffer, int buffer_size); - virtual ~Disassembler(); - char* GetOutput(); - - // Declare all Visitor functions. - #define DECLARE(A) virtual void Visit##A(const Instruction* instr); - VISITOR_LIST(DECLARE) - #undef DECLARE - - protected: - virtual void ProcessOutput(const Instruction* instr); - - // Default output functions. The functions below implement a default way of - // printing elements in the disassembly. A sub-class can override these to - // customize the disassembly output. - - // Prints the name of a register. - // TODO: This currently doesn't allow renaming of V registers. - virtual void AppendRegisterNameToOutput(const Instruction* instr, - const CPURegister& reg); - - // Prints a PC-relative offset. This is used for example when disassembling - // branches to immediate offsets. - virtual void AppendPCRelativeOffsetToOutput(const Instruction* instr, - int64_t offset); - - // Prints an address, in the general case. It can be code or data. This is - // used for example to print the target address of an ADR instruction. - virtual void AppendCodeRelativeAddressToOutput(const Instruction* instr, - const void* addr); - - // Prints the address of some code. - // This is used for example to print the target address of a branch to an - // immediate offset. - // A sub-class can for example override this method to lookup the address and - // print an appropriate name. - virtual void AppendCodeRelativeCodeAddressToOutput(const Instruction* instr, - const void* addr); - - // Prints the address of some data. - // This is used for example to print the source address of a load literal - // instruction. - virtual void AppendCodeRelativeDataAddressToOutput(const Instruction* instr, - const void* addr); - - // Same as the above, but for addresses that are not relative to the code - // buffer. They are currently not used by VIXL. - virtual void AppendAddressToOutput(const Instruction* instr, - const void* addr); - virtual void AppendCodeAddressToOutput(const Instruction* instr, - const void* addr); - virtual void AppendDataAddressToOutput(const Instruction* instr, - const void* addr); - - public: - // Get/Set the offset that should be added to code addresses when printing - // code-relative addresses in the AppendCodeRelative<Type>AddressToOutput() - // helpers. - // Below is an example of how a branch immediate instruction in memory at - // address 0xb010200 would disassemble with different offsets. - // Base address | Disassembly - // 0x0 | 0xb010200: b #+0xcc (addr 0xb0102cc) - // 0x10000 | 0xb000200: b #+0xcc (addr 0xb0002cc) - // 0xb010200 | 0x0: b #+0xcc (addr 0xcc) - void MapCodeAddress(int64_t base_address, const Instruction* instr_address); - int64_t CodeRelativeAddress(const void* instr); - - private: - void Format( - const Instruction* instr, const char* mnemonic, const char* format); - void Substitute(const Instruction* instr, const char* string); - int SubstituteField(const Instruction* instr, const char* format); - int SubstituteRegisterField(const Instruction* instr, const char* format); - int SubstituteImmediateField(const Instruction* instr, const char* format); - int SubstituteLiteralField(const Instruction* instr, const char* format); - int SubstituteBitfieldImmediateField( - const Instruction* instr, const char* format); - int SubstituteShiftField(const Instruction* instr, const char* format); - int SubstituteExtendField(const Instruction* instr, const char* format); - int SubstituteConditionField(const Instruction* instr, const char* format); - int SubstitutePCRelAddressField(const Instruction* instr, const char* format); - int SubstituteBranchTargetField(const Instruction* instr, const char* format); - int SubstituteLSRegOffsetField(const Instruction* instr, const char* format); - int SubstitutePrefetchField(const Instruction* instr, const char* format); - int SubstituteBarrierField(const Instruction* instr, const char* format); - int SubstituteSysOpField(const Instruction* instr, const char* format); - int SubstituteCrField(const Instruction* instr, const char* format); - bool RdIsZROrSP(const Instruction* instr) const { - return (instr->Rd() == kZeroRegCode); - } - - bool RnIsZROrSP(const Instruction* instr) const { - return (instr->Rn() == kZeroRegCode); - } - - bool RmIsZROrSP(const Instruction* instr) const { - return (instr->Rm() == kZeroRegCode); - } - - bool RaIsZROrSP(const Instruction* instr) const { - return (instr->Ra() == kZeroRegCode); - } - - bool IsMovzMovnImm(unsigned reg_size, uint64_t value); - - int64_t code_address_offset() const { return code_address_offset_; } - - protected: - void ResetOutput(); - void AppendToOutput(const char* string, ...) PRINTF_CHECK(2, 3); - - void set_code_address_offset(int64_t code_address_offset) { - code_address_offset_ = code_address_offset; - } - - char* buffer_; - uint32_t buffer_pos_; - uint32_t buffer_size_; - bool own_buffer_; - - int64_t code_address_offset_; -}; - - -class PrintDisassembler: public Disassembler { - public: - explicit PrintDisassembler(FILE* stream) : stream_(stream) { } - - protected: - virtual void ProcessOutput(const Instruction* instr); - - private: - FILE *stream_; -}; -} // namespace vixl - -#endif // VIXL_A64_DISASM_A64_H |