diff options
Diffstat (limited to 'source/Plugins/ABI/SysV-arm/ABISysV_arm.h')
| -rw-r--r-- | source/Plugins/ABI/SysV-arm/ABISysV_arm.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/source/Plugins/ABI/SysV-arm/ABISysV_arm.h b/source/Plugins/ABI/SysV-arm/ABISysV_arm.h new file mode 100644 index 000000000000..69becd6ec0c2 --- /dev/null +++ b/source/Plugins/ABI/SysV-arm/ABISysV_arm.h @@ -0,0 +1,121 @@ +//===-- ABISysV_arm.h ----------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#ifndef liblldb_ABISysV_arm_h_ +#define liblldb_ABISysV_arm_h_ + +// C Includes +// C++ Includes +// Other libraries and framework includes +// Project includes +#include "lldb/lldb-private.h" +#include "lldb/Target/ABI.h" + +class ABISysV_arm : public lldb_private::ABI +{ +public: + ~ABISysV_arm() { } + + size_t + GetRedZoneSize () const override; + + bool + PrepareTrivialCall (lldb_private::Thread &thread, + lldb::addr_t sp, + lldb::addr_t func_addr, + lldb::addr_t returnAddress, + llvm::ArrayRef<lldb::addr_t> args) const override; + + bool + GetArgumentValues (lldb_private::Thread &thread, + lldb_private::ValueList &values) const override; + + lldb_private::Error + SetReturnValueObject(lldb::StackFrameSP &frame_sp, lldb::ValueObjectSP &new_value) override; + +protected: + lldb::ValueObjectSP + GetReturnValueObjectImpl (lldb_private::Thread &thread, + lldb_private::ClangASTType &ast_type) const override; + +public: + bool + CreateFunctionEntryUnwindPlan (lldb_private::UnwindPlan &unwind_plan) override; + + bool + CreateDefaultUnwindPlan (lldb_private::UnwindPlan &unwind_plan) override; + + bool + RegisterIsVolatile (const lldb_private::RegisterInfo *reg_info) override; + + bool + CallFrameAddressIsValid (lldb::addr_t cfa) override + { + // Make sure the stack call frame addresses are are 4 byte aligned + if (cfa & (4ull - 1ull)) + return false; // Not 4 byte aligned + if (cfa == 0) + return false; // Zero is not a valid stack address + return true; + } + + bool + CodeAddressIsValid (lldb::addr_t pc) override + { + // Just make sure the address is a valid 32 bit address. Bit zero + // might be set due to Thumb function calls, so don't enforce 2 byte + // alignment + return pc <= UINT32_MAX; + } + + lldb::addr_t + FixCodeAddress (lldb::addr_t pc) override + { + // ARM uses bit zero to signify a code address is thumb, so we must + // strip bit zero in any code addresses. + return pc & ~(lldb::addr_t)1; + } + + const lldb_private::RegisterInfo * + GetRegisterInfoArray (uint32_t &count) override; + + //------------------------------------------------------------------ + // Static Functions + //------------------------------------------------------------------ + static void + Initialize(); + + static void + Terminate(); + + static lldb::ABISP + CreateInstance (const lldb_private::ArchSpec &arch); + + static lldb_private::ConstString + GetPluginNameStatic(); + + //------------------------------------------------------------------ + // PluginInterface protocol + //------------------------------------------------------------------ + lldb_private::ConstString + GetPluginName() override; + + uint32_t + GetPluginVersion() override; + +protected: +private: + ABISysV_arm() : + lldb_private::ABI() + { + // Call CreateInstance instead. + } +}; + +#endif // liblldb_ABISysV_arm_h_ |
