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ABISysV_s390x.h
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1 //===-- ABISysV_s390x.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_SYSTEMZ_ABISYSV_S390X_H
10 #define LLDB_SOURCE_PLUGINS_ABI_SYSTEMZ_ABISYSV_S390X_H
11 
12 #include "lldb/Target/ABI.h"
13 #include "lldb/lldb-private.h"
14 
16 public:
17  ~ABISysV_s390x() override = default;
18 
19  size_t GetRedZoneSize() const override;
20 
22  lldb::addr_t functionAddress,
23  lldb::addr_t returnAddress,
24  llvm::ArrayRef<lldb::addr_t> args) const override;
25 
27  lldb_private::ValueList &values) const override;
28 
30  SetReturnValueObject(lldb::StackFrameSP &frame_sp,
31  lldb::ValueObjectSP &new_value) override;
32 
33  lldb::ValueObjectSP
35  lldb_private::CompilerType &type) const override;
36 
37  bool
39 
40  bool CreateDefaultUnwindPlan(lldb_private::UnwindPlan &unwind_plan) override;
41 
42  bool RegisterIsVolatile(const lldb_private::RegisterInfo *reg_info) override;
43 
45  const lldb_private::RegisterInfo *reg_info,
46  lldb_private::UnwindPlan::Row::RegisterLocation &unwind_regloc) override;
47 
49  // Make sure the stack call frame addresses are 8 byte aligned
50  if (cfa & (8ull - 1ull))
51  return false; // Not 8 byte aligned
52  if (cfa == 0)
53  return false; // Zero is not a valid stack address
54  return true;
55  }
56 
58  // Code addressed must be 2 byte aligned
59  return (pc & 1ull) == 0;
60  }
61 
62  const lldb_private::RegisterInfo *
63  GetRegisterInfoArray(uint32_t &count) override;
64 
65  // Static Functions
66 
67  static void Initialize();
68 
69  static void Terminate();
70 
71  static lldb::ABISP CreateInstance(lldb::ProcessSP process_sp, const lldb_private::ArchSpec &arch);
72 
73  static llvm::StringRef GetPluginNameStatic() { return "sysv-s390x"; }
74 
75  // PluginInterface protocol
76 
77  llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }
78 
79 protected:
81 
82  lldb::ValueObjectSP
84  lldb_private::CompilerType &ast_type) const;
85 
86  bool RegisterIsCalleeSaved(const lldb_private::RegisterInfo *reg_info);
87 
88 private:
89  using lldb_private::RegInfoBasedABI::RegInfoBasedABI; // Call CreateInstance instead.
90 };
91 
92 #endif // LLDB_SOURCE_PLUGINS_ABI_SYSTEMZ_ABISYSV_S390X_H
ABISysV_s390x::CreateInstance
static lldb::ABISP CreateInstance(lldb::ProcessSP process_sp, const lldb_private::ArchSpec &arch)
Definition: ABISysV_s390x.cpp:188
ABISysV_s390x::GetReturnValueObjectSimple
lldb::ValueObjectSP GetReturnValueObjectSimple(lldb_private::Thread &thread, lldb_private::CompilerType &ast_type) const
Definition: ABISysV_s390x.cpp:473
lldb_private::ArchSpec
Definition: ArchSpec.h:33
ABISysV_s390x::GetRegisterInfoArray
const lldb_private::RegisterInfo * GetRegisterInfoArray(uint32_t &count) override
Definition: ABISysV_s390x.cpp:178
ABISysV_s390x::RegisterIsVolatile
bool RegisterIsVolatile(const lldb_private::RegisterInfo *reg_info) override
Definition: ABISysV_s390x.cpp:656
ABISysV_s390x::PrepareTrivialCall
bool PrepareTrivialCall(lldb_private::Thread &thread, lldb::addr_t sp, lldb::addr_t functionAddress, lldb::addr_t returnAddress, llvm::ArrayRef< lldb::addr_t > args) const override
Definition: ABISysV_s390x.cpp:195
lldb_private::ValueList
Definition: Value.h:157
ABISysV_s390x::SetReturnValueObject
lldb_private::Status SetReturnValueObject(lldb::StackFrameSP &frame_sp, lldb::ValueObjectSP &new_value) override
Definition: ABISysV_s390x.cpp:377
lldb::addr_t
uint64_t addr_t
Definition: lldb-types.h:83
pc
@ pc
Definition: CompactUnwindInfo.cpp:1250
ABISysV_s390x::CreateRegisterMapIfNeeded
void CreateRegisterMapIfNeeded()
ABI.h
ABISysV_s390x::GetPluginNameStatic
static llvm::StringRef GetPluginNameStatic()
Definition: ABISysV_s390x.h:73
ABISysV_s390x::GetReturnValueObjectImpl
lldb::ValueObjectSP GetReturnValueObjectImpl(lldb_private::Thread &thread, lldb_private::CompilerType &type) const override
Definition: ABISysV_s390x.cpp:582
ABISysV_s390x::~ABISysV_s390x
~ABISysV_s390x() override=default
ABISysV_s390x::CreateFunctionEntryUnwindPlan
bool CreateFunctionEntryUnwindPlan(lldb_private::UnwindPlan &unwind_plan) override
Definition: ABISysV_s390x.cpp:617
lldb_private::Thread
Definition: Thread.h:60
ABISysV_s390x::CodeAddressIsValid
bool CodeAddressIsValid(lldb::addr_t pc) override
Definition: ABISysV_s390x.h:57
ABISysV_s390x::CreateDefaultUnwindPlan
bool CreateDefaultUnwindPlan(lldb_private::UnwindPlan &unwind_plan) override
Definition: ABISysV_s390x.cpp:636
ABISysV_s390x::GetFallbackRegisterLocation
bool GetFallbackRegisterLocation(const lldb_private::RegisterInfo *reg_info, lldb_private::UnwindPlan::Row::RegisterLocation &unwind_regloc) override
Definition: ABISysV_s390x.cpp:642
sp
@ sp
Definition: CompactUnwindInfo.cpp:1249
ABISysV_s390x::GetRedZoneSize
size_t GetRedZoneSize() const override
Definition: ABISysV_s390x.cpp:183
lldb_private::RegInfoBasedABI
Definition: ABI.h:162
ABISysV_s390x
Definition: ABISysV_s390x.h:15
ABISysV_s390x::GetPluginName
llvm::StringRef GetPluginName() override
Definition: ABISysV_s390x.h:77
lldb-private.h
lldb_private::UnwindPlan::Row::RegisterLocation
Definition: UnwindPlan.h:57
ABISysV_s390x::CallFrameAddressIsValid
bool CallFrameAddressIsValid(lldb::addr_t cfa) override
Definition: ABISysV_s390x.h:48
lldb_private::Status
Definition: Status.h:44
uint32_t
ABISysV_s390x::Initialize
static void Initialize()
Definition: ABISysV_s390x.cpp:711
lldb_private::CompilerType
Generic representation of a type in a programming language.
Definition: CompilerType.h:33
ABISysV_s390x::Terminate
static void Terminate()
Definition: ABISysV_s390x.cpp:716
ABISysV_s390x::GetArgumentValues
bool GetArgumentValues(lldb_private::Thread &thread, lldb_private::ValueList &values) const override
Definition: ABISysV_s390x.cpp:308
lldb_private::UnwindPlan
Definition: UnwindPlan.h:53
ABISysV_s390x::RegisterIsCalleeSaved
bool RegisterIsCalleeSaved(const lldb_private::RegisterInfo *reg_info)
Definition: ABISysV_s390x.cpp:660