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ABIMacOSX_arm.h
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1//===-- ABIMacOSX_arm.h ----------------------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef LLDB_SOURCE_PLUGINS_ABI_ARM_ABIMACOSX_ARM_H
10#define LLDB_SOURCE_PLUGINS_ABI_ARM_ABIMACOSX_ARM_H
11
12#include "lldb/Target/ABI.h"
13#include "lldb/lldb-private.h"
14
16public:
17 ~ABIMacOSX_arm() override = default;
18
19 size_t GetRedZoneSize() const override;
20
22 lldb::addr_t func_addr, lldb::addr_t returnAddress,
23 llvm::ArrayRef<lldb::addr_t> args) const override;
24
26 lldb_private::ValueList &values) const override;
27
30 lldb::ValueObjectSP &new_value) override;
31
33
35
36 bool RegisterIsVolatile(const lldb_private::RegisterInfo *reg_info) override;
37
39 // Make sure the stack call frame addresses are 4 byte aligned
40 if (cfa & (4ull - 1ull))
41 return false; // Not 4 byte aligned
42 if (cfa == 0)
43 return false; // Zero is not a valid stack address
44 return true;
45 }
46
48 // Just make sure the address is a valid 32 bit address. Bit zero
49 // might be set due to Thumb function calls, so don't enforce 2 byte
50 // alignment
51 return pc <= UINT32_MAX;
52 }
53
55 // ARM uses bit zero to signify a code address is thumb, so we must
56 // strip bit zero in any code addresses.
57 return pc & ~(lldb::addr_t)1;
58 }
59
61 GetRegisterInfoArray(uint32_t &count) override;
62
63 bool IsArmv7kProcess() const;
64
65 // Static Functions
66
67 static void Initialize();
68
69 static void Terminate();
70
72
73 static llvm::StringRef GetPluginNameStatic() { return "macosx-arm"; }
74
75 // PluginInterface protocol
76
77 llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }
78
79protected:
82 lldb_private::CompilerType &ast_type) const override;
83
84private:
85 using lldb_private::RegInfoBasedABI::RegInfoBasedABI; // Call CreateInstance instead.
86};
87
88#endif // LLDB_SOURCE_PLUGINS_ABI_ARM_ABIMACOSX_ARM_H
static void Initialize()
lldb::ValueObjectSP GetReturnValueObjectImpl(lldb_private::Thread &thread, lldb_private::CompilerType &ast_type) const override
lldb_private::Status SetReturnValueObject(lldb::StackFrameSP &frame_sp, lldb::ValueObjectSP &new_value) override
bool CallFrameAddressIsValid(lldb::addr_t cfa) override
size_t GetRedZoneSize() const override
bool IsArmv7kProcess() const
const lldb_private::RegisterInfo * GetRegisterInfoArray(uint32_t &count) override
bool GetArgumentValues(lldb_private::Thread &thread, lldb_private::ValueList &values) const override
bool CodeAddressIsValid(lldb::addr_t pc) 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 RegisterIsVolatile(const lldb_private::RegisterInfo *reg_info) override
lldb::UnwindPlanSP CreateDefaultUnwindPlan() override
static llvm::StringRef GetPluginNameStatic()
lldb::UnwindPlanSP CreateFunctionEntryUnwindPlan() override
static void Terminate()
~ABIMacOSX_arm() override=default
static lldb::ABISP CreateInstance(lldb::ProcessSP process_sp, const lldb_private::ArchSpec &arch)
lldb::addr_t FixCodeAddress(lldb::addr_t pc) override
Some targets might use bits in a code address to indicate a mode switch.
llvm::StringRef GetPluginName() override
An architecture specification class.
Definition ArchSpec.h:31
Generic representation of a type in a programming language.
An error handling class.
Definition Status.h:118
#define UINT32_MAX
std::shared_ptr< lldb_private::ABI > ABISP
std::shared_ptr< lldb_private::StackFrame > StackFrameSP
std::shared_ptr< lldb_private::ValueObject > ValueObjectSP
std::shared_ptr< lldb_private::Process > ProcessSP
std::shared_ptr< lldb_private::UnwindPlan > UnwindPlanSP
uint64_t addr_t
Definition lldb-types.h:80
Every register is described in detail including its name, alternate name (optional),...