15ffd83dbSDimitry Andric //===-- ABIMacOSX_arm.h ----------------------------------------*- C++ -*-===// 25ffd83dbSDimitry Andric // 35ffd83dbSDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 45ffd83dbSDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 55ffd83dbSDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 65ffd83dbSDimitry Andric // 75ffd83dbSDimitry Andric //===----------------------------------------------------------------------===// 85ffd83dbSDimitry Andric 95ffd83dbSDimitry Andric #ifndef LLDB_SOURCE_PLUGINS_ABI_ARM_ABIMACOSX_ARM_H 105ffd83dbSDimitry Andric #define LLDB_SOURCE_PLUGINS_ABI_ARM_ABIMACOSX_ARM_H 115ffd83dbSDimitry Andric 125ffd83dbSDimitry Andric #include "lldb/Target/ABI.h" 135ffd83dbSDimitry Andric #include "lldb/lldb-private.h" 145ffd83dbSDimitry Andric 155ffd83dbSDimitry Andric class ABIMacOSX_arm : public lldb_private::RegInfoBasedABI { 165ffd83dbSDimitry Andric public: 175ffd83dbSDimitry Andric ~ABIMacOSX_arm() override = default; 185ffd83dbSDimitry Andric 195ffd83dbSDimitry Andric size_t GetRedZoneSize() const override; 205ffd83dbSDimitry Andric 215ffd83dbSDimitry Andric bool PrepareTrivialCall(lldb_private::Thread &thread, lldb::addr_t sp, 225ffd83dbSDimitry Andric lldb::addr_t func_addr, lldb::addr_t returnAddress, 235ffd83dbSDimitry Andric llvm::ArrayRef<lldb::addr_t> args) const override; 245ffd83dbSDimitry Andric 255ffd83dbSDimitry Andric bool GetArgumentValues(lldb_private::Thread &thread, 265ffd83dbSDimitry Andric lldb_private::ValueList &values) const override; 275ffd83dbSDimitry Andric 285ffd83dbSDimitry Andric lldb_private::Status 295ffd83dbSDimitry Andric SetReturnValueObject(lldb::StackFrameSP &frame_sp, 305ffd83dbSDimitry Andric lldb::ValueObjectSP &new_value) override; 315ffd83dbSDimitry Andric 325ffd83dbSDimitry Andric bool 335ffd83dbSDimitry Andric CreateFunctionEntryUnwindPlan(lldb_private::UnwindPlan &unwind_plan) override; 345ffd83dbSDimitry Andric 355ffd83dbSDimitry Andric bool CreateDefaultUnwindPlan(lldb_private::UnwindPlan &unwind_plan) override; 365ffd83dbSDimitry Andric 375ffd83dbSDimitry Andric bool RegisterIsVolatile(const lldb_private::RegisterInfo *reg_info) override; 385ffd83dbSDimitry Andric CallFrameAddressIsValid(lldb::addr_t cfa)395ffd83dbSDimitry Andric bool CallFrameAddressIsValid(lldb::addr_t cfa) override { 40*5f757f3fSDimitry Andric // Make sure the stack call frame addresses are 4 byte aligned 415ffd83dbSDimitry Andric if (cfa & (4ull - 1ull)) 425ffd83dbSDimitry Andric return false; // Not 4 byte aligned 435ffd83dbSDimitry Andric if (cfa == 0) 445ffd83dbSDimitry Andric return false; // Zero is not a valid stack address 455ffd83dbSDimitry Andric return true; 465ffd83dbSDimitry Andric } 475ffd83dbSDimitry Andric CodeAddressIsValid(lldb::addr_t pc)485ffd83dbSDimitry Andric bool CodeAddressIsValid(lldb::addr_t pc) override { 495ffd83dbSDimitry Andric // Just make sure the address is a valid 32 bit address. Bit zero 505ffd83dbSDimitry Andric // might be set due to Thumb function calls, so don't enforce 2 byte 515ffd83dbSDimitry Andric // alignment 525ffd83dbSDimitry Andric return pc <= UINT32_MAX; 535ffd83dbSDimitry Andric } 545ffd83dbSDimitry Andric FixCodeAddress(lldb::addr_t pc)555ffd83dbSDimitry Andric lldb::addr_t FixCodeAddress(lldb::addr_t pc) override { 565ffd83dbSDimitry Andric // ARM uses bit zero to signify a code address is thumb, so we must 575ffd83dbSDimitry Andric // strip bit zero in any code addresses. 585ffd83dbSDimitry Andric return pc & ~(lldb::addr_t)1; 595ffd83dbSDimitry Andric } 605ffd83dbSDimitry Andric 615ffd83dbSDimitry Andric const lldb_private::RegisterInfo * 625ffd83dbSDimitry Andric GetRegisterInfoArray(uint32_t &count) override; 635ffd83dbSDimitry Andric 645ffd83dbSDimitry Andric bool IsArmv7kProcess() const; 655ffd83dbSDimitry Andric 665ffd83dbSDimitry Andric // Static Functions 675ffd83dbSDimitry Andric 685ffd83dbSDimitry Andric static void Initialize(); 695ffd83dbSDimitry Andric 705ffd83dbSDimitry Andric static void Terminate(); 715ffd83dbSDimitry Andric 725ffd83dbSDimitry Andric static lldb::ABISP CreateInstance(lldb::ProcessSP process_sp, const lldb_private::ArchSpec &arch); 735ffd83dbSDimitry Andric GetPluginNameStatic()74349cc55cSDimitry Andric static llvm::StringRef GetPluginNameStatic() { return "macosx-arm"; } 755ffd83dbSDimitry Andric 765ffd83dbSDimitry Andric // PluginInterface protocol 775ffd83dbSDimitry Andric GetPluginName()78349cc55cSDimitry Andric llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); } 795ffd83dbSDimitry Andric 805ffd83dbSDimitry Andric protected: 815ffd83dbSDimitry Andric lldb::ValueObjectSP 825ffd83dbSDimitry Andric GetReturnValueObjectImpl(lldb_private::Thread &thread, 835ffd83dbSDimitry Andric lldb_private::CompilerType &ast_type) const override; 845ffd83dbSDimitry Andric 855ffd83dbSDimitry Andric private: 865ffd83dbSDimitry Andric using lldb_private::RegInfoBasedABI::RegInfoBasedABI; // Call CreateInstance instead. 875ffd83dbSDimitry Andric }; 885ffd83dbSDimitry Andric 895ffd83dbSDimitry Andric #endif // LLDB_SOURCE_PLUGINS_ABI_ARM_ABIMACOSX_ARM_H 90