kuilpd created this revision.
kuilpd added a reviewer: asl.
kuilpd added a project: LLDB.
Herald added subscribers: Michael137, JDevlieghere.
Herald added a project: All.
kuilpd requested review of this revision.
Herald added a subscriber: lldb-commits.
Add MSP430 to the list of available targets, implement MSP430 ABI, add support
for debugging targets with 16-bit address size.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D146965
Files:
lldb/include/lldb/Utility/ArchSpec.h
lldb/include/lldb/Utility/DataExtractor.h
lldb/source/Expression/IRMemoryMap.cpp
lldb/source/Expression/LLVMUserExpression.cpp
lldb/source/Host/common/NativeProcessProtocol.cpp
lldb/source/Plugins/ABI/CMakeLists.txt
lldb/source/Plugins/ABI/MSP430/ABISysV_msp430.cpp
lldb/source/Plugins/ABI/MSP430/ABISysV_msp430.h
lldb/source/Plugins/ABI/MSP430/CMakeLists.txt
lldb/source/Plugins/ObjectFile/Breakpad/BreakpadRecords.cpp
lldb/source/Plugins/Platform/Linux/PlatformLinux.cpp
lldb/source/Plugins/Process/gdb-remote/GDBRemoteRegisterFallback.cpp
lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp
lldb/source/Target/Platform.cpp
lldb/source/Utility/ArchSpec.cpp
Index: lldb/source/Utility/ArchSpec.cpp
===================================================================
--- lldb/source/Utility/ArchSpec.cpp
+++ lldb/source/Utility/ArchSpec.cpp
@@ -154,6 +154,10 @@
{eByteOrderLittle, 8, 2, 4, llvm::Triple::mips64el,
ArchSpec::eCore_mips64r6el, "mips64r6el"},
+ // MSP430
+ {eByteOrderLittle, 2, 2, 4, llvm::Triple::msp430, ArchSpec::eCore_msp430,
+ "msp430"},
+
{eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_generic,
"powerpc"},
{eByteOrderBig, 4, 4, 4, llvm::Triple::ppc, ArchSpec::eCore_ppc_ppc601,
@@ -402,6 +406,8 @@
ArchSpec::eMIPSSubType_mips64r2el, 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips64r2el
{ArchSpec::eCore_mips64r6el, llvm::ELF::EM_MIPS,
ArchSpec::eMIPSSubType_mips64r6el, 0xFFFFFFFFu, 0xFFFFFFFFu}, // mips64r6el
+ {ArchSpec::eCore_msp430, llvm::ELF::EM_MSP430, LLDB_INVALID_CPUTYPE,
+ 0xFFFFFFFFu, 0xFFFFFFFFu}, // MSP430
{ArchSpec::eCore_hexagon_generic, llvm::ELF::EM_HEXAGON,
LLDB_INVALID_CPUTYPE, 0xFFFFFFFFu, 0xFFFFFFFFu}, // HEXAGON
{ArchSpec::eCore_arc, llvm::ELF::EM_ARC_COMPACT2, LLDB_INVALID_CPUTYPE,
@@ -899,6 +905,9 @@
case llvm::ELF::ELFOSABI_SOLARIS:
m_triple.setOS(llvm::Triple::OSType::Solaris);
break;
+ case llvm::ELF::ELFOSABI_STANDALONE:
+ m_triple.setOS(llvm::Triple::OSType::UnknownOS);
+ break;
}
} else if (arch_type == eArchTypeCOFF && os == llvm::Triple::Win32) {
m_triple.setVendor(llvm::Triple::PC);
Index: lldb/source/Target/Platform.cpp
===================================================================
--- lldb/source/Target/Platform.cpp
+++ lldb/source/Target/Platform.cpp
@@ -1895,6 +1895,12 @@
trap_opcode_size = sizeof(g_hex_opcode);
} break;
+ case llvm::Triple::msp430: {
+ static const uint8_t g_msp430_opcode[] = {0x43, 0x43};
+ trap_opcode = g_msp430_opcode;
+ trap_opcode_size = sizeof(g_msp430_opcode);
+ } break;
+
case llvm::Triple::systemz: {
static const uint8_t g_hex_opcode[] = {0x00, 0x01};
trap_opcode = g_hex_opcode;
Index: lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp
===================================================================
--- lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp
+++ lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp
@@ -940,7 +940,8 @@
bool length_OK = data.ValidOffset(header.GetNextUnitOffset() - 1);
bool version_OK = SymbolFileDWARF::SupportedVersion(header.m_version);
- bool addr_size_OK = (header.m_addr_size == 4) || (header.m_addr_size == 8);
+ bool addr_size_OK = (header.m_addr_size == 2) || (header.m_addr_size == 4) ||
+ (header.m_addr_size == 8);
bool type_offset_OK =
!header.IsTypeUnit() || (header.m_type_offset <= header.GetLength());
Index: lldb/source/Plugins/Process/gdb-remote/GDBRemoteRegisterFallback.cpp
===================================================================
--- lldb/source/Plugins/Process/gdb-remote/GDBRemoteRegisterFallback.cpp
+++ lldb/source/Plugins/Process/gdb-remote/GDBRemoteRegisterFallback.cpp
@@ -19,6 +19,7 @@
}
#define R64(name) REG(name, 8)
#define R32(name) REG(name, 4)
+#define R16(name) REG(name, 2)
static std::vector<DynamicRegisterInfo::Register> GetRegisters_aarch64() {
ConstString empty_alt_name;
@@ -35,6 +36,18 @@
return registers;
}
+static std::vector<DynamicRegisterInfo::Register> GetRegisters_msp430() {
+ ConstString empty_alt_name;
+ ConstString reg_set{"general purpose registers"};
+
+ std::vector<DynamicRegisterInfo::Register> registers{
+ R16(r0), R16(r1), R16(r2), R16(r3), R16(r4), R16(r5),
+ R16(r6), R16(r7), R16(r8), R16(r9), R16(r10), R16(r11),
+ R16(r12), R16(r13), R16(r14), R16(r15)};
+
+ return registers;
+}
+
static std::vector<DynamicRegisterInfo::Register> GetRegisters_x86() {
ConstString empty_alt_name;
ConstString reg_set{"general purpose registers"};
@@ -71,6 +84,8 @@
switch (arch_to_use.GetMachine()) {
case llvm::Triple::aarch64:
return GetRegisters_aarch64();
+ case llvm::Triple::msp430:
+ return GetRegisters_msp430();
case llvm::Triple::x86:
return GetRegisters_x86();
case llvm::Triple::x86_64:
Index: lldb/source/Plugins/Platform/Linux/PlatformLinux.cpp
===================================================================
--- lldb/source/Plugins/Platform/Linux/PlatformLinux.cpp
+++ lldb/source/Plugins/Platform/Linux/PlatformLinux.cpp
@@ -124,7 +124,7 @@
{llvm::Triple::x86_64, llvm::Triple::x86, llvm::Triple::arm,
llvm::Triple::aarch64, llvm::Triple::mips64, llvm::Triple::mips64,
llvm::Triple::hexagon, llvm::Triple::mips, llvm::Triple::mips64el,
- llvm::Triple::mipsel, llvm::Triple::systemz},
+ llvm::Triple::mipsel, llvm::Triple::msp430, llvm::Triple::systemz},
llvm::Triple::Linux);
}
}
Index: lldb/source/Plugins/ObjectFile/Breakpad/BreakpadRecords.cpp
===================================================================
--- lldb/source/Plugins/ObjectFile/Breakpad/BreakpadRecords.cpp
+++ lldb/source/Plugins/ObjectFile/Breakpad/BreakpadRecords.cpp
@@ -71,6 +71,7 @@
.Case("arm", Triple::arm)
.Cases("arm64", "arm64e", Triple::aarch64)
.Case("mips", Triple::mips)
+ .Case("msp430", Triple::msp430)
.Case("ppc", Triple::ppc)
.Case("ppc64", Triple::ppc64)
.Case("s390", Triple::systemz)
Index: lldb/source/Plugins/ABI/MSP430/CMakeLists.txt
===================================================================
--- /dev/null
+++ lldb/source/Plugins/ABI/MSP430/CMakeLists.txt
@@ -0,0 +1,12 @@
+add_lldb_library(lldbPluginABIMSP430 PLUGIN
+ ABISysV_msp430.cpp
+
+ LINK_LIBS
+ lldbCore
+ lldbSymbol
+ lldbTarget
+ LINK_COMPONENTS
+ Support
+ TargetParser
+ )
+
Index: lldb/source/Plugins/ABI/MSP430/ABISysV_msp430.h
===================================================================
--- /dev/null
+++ lldb/source/Plugins/ABI/MSP430/ABISysV_msp430.h
@@ -0,0 +1,93 @@
+//===-- ABISysV_msp430.h ----------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDB_SOURCE_PLUGINS_ABI_MSP430_ABISYSV_MSP430_H
+#define LLDB_SOURCE_PLUGINS_ABI_MSP430_ABISYSV_MSP430_H
+
+// C Includes
+// C++ Includes
+// Other libraries and framework includes
+// Project includes
+#include "lldb/Target/ABI.h"
+#include "lldb/lldb-private.h"
+
+class ABISysV_msp430 : public lldb_private::RegInfoBasedABI {
+public:
+ ~ABISysV_msp430() override = default;
+
+ size_t GetRedZoneSize() const override;
+
+ 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;
+
+ bool GetArgumentValues(lldb_private::Thread &thread,
+ lldb_private::ValueList &values) const override;
+
+ lldb_private::Status
+ SetReturnValueObject(lldb::StackFrameSP &frame_sp,
+ lldb::ValueObjectSP &new_value) override;
+
+ lldb::ValueObjectSP
+ GetReturnValueObjectImpl(lldb_private::Thread &thread,
+ lldb_private::CompilerType &type) const override;
+
+ 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 2 byte aligned
+ if (cfa & 0x01)
+ return false; // Not 2 byte aligned
+ if (cfa == 0)
+ return false; // Zero is not a valid stack address
+ return true;
+ }
+
+ bool CodeAddressIsValid(lldb::addr_t pc) override { return true; }
+
+ const lldb_private::RegisterInfo *
+ GetRegisterInfoArray(uint32_t &count) override;
+
+ //------------------------------------------------------------------
+ // Static Functions
+ //------------------------------------------------------------------
+
+ static void Initialize();
+
+ static void Terminate();
+
+ static lldb::ABISP CreateInstance(lldb::ProcessSP process_sp,
+ const lldb_private::ArchSpec &arch);
+
+ static llvm::StringRef GetPluginNameStatic() { return "sysv-msp430"; }
+
+ // PluginInterface protocol
+
+ llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }
+
+protected:
+ void CreateRegisterMapIfNeeded();
+
+ lldb::ValueObjectSP
+ GetReturnValueObjectSimple(lldb_private::Thread &thread,
+ lldb_private::CompilerType &ast_type) const;
+
+ bool RegisterIsCalleeSaved(const lldb_private::RegisterInfo *reg_info);
+
+private:
+ using lldb_private::RegInfoBasedABI::RegInfoBasedABI;
+};
+
+#endif // LLDB_SOURCE_PLUGINS_ABI_MSP430_ABISYSV_MSP430_H
Index: lldb/source/Plugins/ABI/MSP430/ABISysV_msp430.cpp
===================================================================
--- /dev/null
+++ lldb/source/Plugins/ABI/MSP430/ABISysV_msp430.cpp
@@ -0,0 +1,334 @@
+//===-- ABISysV_msp430.cpp --------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ABISysV_msp430.h"
+
+#include "lldb/Core/Module.h"
+#include "lldb/Core/PluginManager.h"
+#include "lldb/Core/Value.h"
+#include "lldb/Core/ValueObjectConstResult.h"
+#include "lldb/Core/ValueObjectMemory.h"
+#include "lldb/Core/ValueObjectRegister.h"
+#include "lldb/Symbol/UnwindPlan.h"
+#include "lldb/Target/Process.h"
+#include "lldb/Target/RegisterContext.h"
+#include "lldb/Target/StackFrame.h"
+#include "lldb/Target/Target.h"
+#include "lldb/Target/Thread.h"
+#include "lldb/Utility/ConstString.h"
+#include "lldb/Utility/DataExtractor.h"
+#include "lldb/Utility/Log.h"
+#include "lldb/Utility/RegisterValue.h"
+
+#include "llvm/ADT/Triple.h"
+
+#include "llvm/IR/DerivedTypes.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+LLDB_PLUGIN_DEFINE_ADV(ABISysV_msp430, ABIMSP430)
+
+enum dwarf_regnums {
+ dwarf_pc = 0,
+ dwarf_sp,
+ dwarf_r2,
+ dwarf_r3,
+ dwarf_fp,
+ dwarf_r5,
+ dwarf_r6,
+ dwarf_r7,
+ dwarf_r8,
+ dwarf_r9,
+ dwarf_r10,
+ dwarf_r11,
+ dwarf_r12,
+ dwarf_r13,
+ dwarf_r14,
+ dwarf_r15,
+};
+
+static RegisterInfo g_register_infos[] = {
+ {"r0",
+ "pc",
+ 2,
+ 0,
+ eEncodingUint,
+ eFormatHex,
+ {dwarf_pc, dwarf_pc, LLDB_REGNUM_GENERIC_PC, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM},
+ nullptr,
+ nullptr},
+ {"r1",
+ "sp",
+ 2,
+ 0,
+ eEncodingUint,
+ eFormatHex,
+ {dwarf_sp, dwarf_sp, LLDB_REGNUM_GENERIC_SP, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM},
+ nullptr,
+ nullptr},
+ {"r2",
+ "",
+ 2,
+ 0,
+ eEncodingUint,
+ eFormatHex,
+ {dwarf_r2, dwarf_r2, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM},
+ nullptr,
+ nullptr},
+ {"r3",
+ "",
+ 2,
+ 0,
+ eEncodingUint,
+ eFormatHex,
+ {dwarf_r3, dwarf_r3, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM},
+ nullptr,
+ nullptr},
+ {"r4",
+ "fp",
+ 2,
+ 0,
+ eEncodingUint,
+ eFormatHex,
+ {dwarf_fp, dwarf_fp, LLDB_REGNUM_GENERIC_FP, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM},
+ nullptr,
+ nullptr},
+ {"r5",
+ "",
+ 2,
+ 0,
+ eEncodingUint,
+ eFormatHex,
+ {dwarf_r5, dwarf_r5, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM},
+ nullptr,
+ nullptr},
+ {"r6",
+ "",
+ 2,
+ 0,
+ eEncodingUint,
+ eFormatHex,
+ {dwarf_r6, dwarf_r6, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM},
+ nullptr,
+ nullptr},
+ {"r7",
+ "",
+ 2,
+ 0,
+ eEncodingUint,
+ eFormatHex,
+ {dwarf_r7, dwarf_r7, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM},
+ nullptr,
+ nullptr},
+ {"r8",
+ "",
+ 2,
+ 0,
+ eEncodingUint,
+ eFormatHex,
+ {dwarf_r8, dwarf_r8, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM},
+ nullptr,
+ nullptr},
+ {"r9",
+ "",
+ 2,
+ 0,
+ eEncodingUint,
+ eFormatHex,
+ {dwarf_r9, dwarf_r9, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM},
+ nullptr,
+ nullptr},
+ {"r10",
+ "",
+ 2,
+ 0,
+ eEncodingUint,
+ eFormatHex,
+ {dwarf_r10, dwarf_r10, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM},
+ nullptr,
+ nullptr},
+ {"r11",
+ "",
+ 2,
+ 0,
+ eEncodingUint,
+ eFormatHex,
+ {dwarf_r11, dwarf_r11, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM},
+ nullptr,
+ nullptr},
+ {"r12",
+ "",
+ 2,
+ 0,
+ eEncodingUint,
+ eFormatHex,
+ {dwarf_r12, dwarf_r12, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM},
+ nullptr,
+ nullptr},
+ {"r13",
+ "",
+ 2,
+ 0,
+ eEncodingUint,
+ eFormatHex,
+ {dwarf_r13, dwarf_r13, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM},
+ nullptr,
+ nullptr},
+ {"r14",
+ "",
+ 2,
+ 0,
+ eEncodingUint,
+ eFormatHex,
+ {dwarf_r14, dwarf_r14, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM},
+ nullptr,
+ nullptr},
+ {"r15",
+ "",
+ 2,
+ 0,
+ eEncodingUint,
+ eFormatHex,
+ {dwarf_r15, dwarf_r15, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM,
+ LLDB_INVALID_REGNUM},
+ nullptr,
+ nullptr}};
+
+static const uint32_t k_num_register_infos =
+ sizeof(g_register_infos) / sizeof(RegisterInfo);
+
+const lldb_private::RegisterInfo *
+ABISysV_msp430::GetRegisterInfoArray(uint32_t &count) {
+ // Make the C-string names and alt_names for the register infos into const
+ // C-string values by having the ConstString unique the names in the global
+ // constant C-string pool.
+ count = k_num_register_infos;
+ return g_register_infos;
+}
+
+size_t ABISysV_msp430::GetRedZoneSize() const { return 0; }
+
+//------------------------------------------------------------------
+// Static Functions
+//------------------------------------------------------------------
+
+ABISP
+ABISysV_msp430::CreateInstance(lldb::ProcessSP process_sp,
+ const ArchSpec &arch) {
+ if (arch.GetTriple().getArch() == llvm::Triple::msp430) {
+ return ABISP(
+ new ABISysV_msp430(std::move(process_sp), MakeMCRegisterInfo(arch)));
+ }
+ return ABISP();
+}
+
+bool ABISysV_msp430::PrepareTrivialCall(Thread &thread, lldb::addr_t sp,
+ lldb::addr_t pc, lldb::addr_t ra,
+ llvm::ArrayRef<addr_t> args) const {
+ // we don't use the traditional trivial call specialized for jit
+ return false;
+}
+
+bool ABISysV_msp430::GetArgumentValues(Thread &thread,
+ ValueList &values) const {
+ return false;
+}
+
+Status ABISysV_msp430::SetReturnValueObject(lldb::StackFrameSP &frame_sp,
+ lldb::ValueObjectSP &new_value_sp) {
+ return Status();
+}
+
+ValueObjectSP ABISysV_msp430::GetReturnValueObjectSimple(
+ Thread &thread, CompilerType &return_compiler_type) const {
+ ValueObjectSP return_valobj_sp;
+ return return_valobj_sp;
+}
+
+ValueObjectSP ABISysV_msp430::GetReturnValueObjectImpl(
+ Thread &thread, CompilerType &return_compiler_type) const {
+ ValueObjectSP return_valobj_sp;
+ return return_valobj_sp;
+}
+
+// called when we are on the first instruction of a new function
+bool ABISysV_msp430::CreateFunctionEntryUnwindPlan(UnwindPlan &unwind_plan) {
+ unwind_plan.Clear();
+ unwind_plan.SetRegisterKind(eRegisterKindDWARF);
+
+ uint32_t sp_reg_num = dwarf_sp;
+ uint32_t pc_reg_num = dwarf_pc;
+
+ UnwindPlan::RowSP row(new UnwindPlan::Row);
+ row->GetCFAValue().SetIsRegisterPlusOffset(sp_reg_num, 2);
+ row->SetRegisterLocationToAtCFAPlusOffset(pc_reg_num, -2, true);
+ row->SetRegisterLocationToIsCFAPlusOffset(sp_reg_num, 0, true);
+
+ unwind_plan.AppendRow(row);
+ unwind_plan.SetSourceName("msp430 at-func-entry default");
+ unwind_plan.SetSourcedFromCompiler(eLazyBoolNo);
+ return true;
+}
+
+bool ABISysV_msp430::CreateDefaultUnwindPlan(UnwindPlan &unwind_plan) {
+ unwind_plan.Clear();
+ unwind_plan.SetRegisterKind(eRegisterKindDWARF);
+
+ uint32_t fp_reg_num = dwarf_fp;
+ uint32_t sp_reg_num = dwarf_sp;
+ uint32_t pc_reg_num = dwarf_pc;
+
+ UnwindPlan::RowSP row(new UnwindPlan::Row);
+ row->GetCFAValue().SetIsRegisterPlusOffset(sp_reg_num, 2);
+ row->SetRegisterLocationToAtCFAPlusOffset(pc_reg_num, -2, true);
+ row->SetRegisterLocationToIsCFAPlusOffset(sp_reg_num, 0, true);
+ row->SetRegisterLocationToUnspecified(fp_reg_num, true);
+
+ unwind_plan.AppendRow(row);
+ unwind_plan.SetSourceName("msp430 default unwind plan");
+ unwind_plan.SetSourcedFromCompiler(eLazyBoolNo);
+ unwind_plan.SetUnwindPlanValidAtAllInstructions(eLazyBoolNo);
+ return true;
+}
+
+bool ABISysV_msp430::RegisterIsVolatile(const RegisterInfo *reg_info) {
+ return !RegisterIsCalleeSaved(reg_info);
+}
+
+bool ABISysV_msp430::RegisterIsCalleeSaved(const RegisterInfo *reg_info) {
+ int reg = ((reg_info->byte_offset) / 2);
+
+ bool save = (reg >= 4) && (reg <= 10);
+ return save;
+}
+
+void ABISysV_msp430::Initialize(void) {
+ PluginManager::RegisterPlugin(
+ GetPluginNameStatic(), "System V ABI for msp430 targets", CreateInstance);
+}
+
+void ABISysV_msp430::Terminate(void) {
+ PluginManager::UnregisterPlugin(CreateInstance);
+}
Index: lldb/source/Plugins/ABI/CMakeLists.txt
===================================================================
--- lldb/source/Plugins/ABI/CMakeLists.txt
+++ lldb/source/Plugins/ABI/CMakeLists.txt
@@ -1,4 +1,4 @@
-foreach(target AArch64 ARM ARC Hexagon Mips PowerPC SystemZ X86)
+foreach(target AArch64 ARM ARC Hexagon Mips MSP430 PowerPC SystemZ X86)
if (${target} IN_LIST LLVM_TARGETS_TO_BUILD)
add_subdirectory(${target})
endif()
Index: lldb/source/Host/common/NativeProcessProtocol.cpp
===================================================================
--- lldb/source/Host/common/NativeProcessProtocol.cpp
+++ lldb/source/Host/common/NativeProcessProtocol.cpp
@@ -503,6 +503,7 @@
static const uint8_t g_i386_opcode[] = {0xCC};
static const uint8_t g_mips64_opcode[] = {0x00, 0x00, 0x00, 0x0d};
static const uint8_t g_mips64el_opcode[] = {0x0d, 0x00, 0x00, 0x00};
+ static const uint8_t g_msp430_opcode[] = {0x43, 0x43};
static const uint8_t g_s390x_opcode[] = {0x00, 0x01};
static const uint8_t g_ppc_opcode[] = {0x7f, 0xe0, 0x00, 0x08}; // trap
static const uint8_t g_ppcle_opcode[] = {0x08, 0x00, 0xe0, 0x7f}; // trap
@@ -528,6 +529,9 @@
case llvm::Triple::mips64el:
return llvm::ArrayRef(g_mips64el_opcode);
+ case llvm::Triple::msp430:
+ return llvm::ArrayRef(g_msp430_opcode);
+
case llvm::Triple::systemz:
return llvm::ArrayRef(g_s390x_opcode);
Index: lldb/source/Expression/LLVMUserExpression.cpp
===================================================================
--- lldb/source/Expression/LLVMUserExpression.cpp
+++ lldb/source/Expression/LLVMUserExpression.cpp
@@ -333,7 +333,9 @@
if (m_can_interpret && m_stack_frame_bottom == LLDB_INVALID_ADDRESS) {
Status alloc_error;
- const size_t stack_frame_size = 512 * 1024;
+ const size_t stack_frame_size =
+ target->GetArchitecture().GetAddressByteSize() == 2 ? 512
+ : 512 * 1024;
const bool zero_memory = false;
Index: lldb/source/Expression/IRMemoryMap.cpp
===================================================================
--- lldb/source/Expression/IRMemoryMap.cpp
+++ lldb/source/Expression/IRMemoryMap.cpp
@@ -96,9 +96,19 @@
// regions, walk forward through memory until a region is found that has
// adequate space for our allocation.
if (process_is_alive) {
- const uint64_t end_of_memory = process_sp->GetAddressByteSize() == 8
- ? 0xffffffffffffffffull
- : 0xffffffffull;
+ uint64_t end_of_memory;
+ uint32_t address_byte_size = process_sp->GetAddressByteSize();
+ switch (address_byte_size) {
+ case 2:
+ end_of_memory = 0xffffull;
+ break;
+ case 4:
+ end_of_memory = 0xffffffffull;
+ break;
+ default:
+ end_of_memory = 0xffffffffffffffffull;
+ break;
+ }
lldbassert(process_sp->GetAddressByteSize() == 4 ||
end_of_memory != 0xffffffffull);
@@ -137,18 +147,18 @@
// We've tried our algorithm, and it didn't work. Now we have to reset back
// to the end of the allocations we've already reported, or use a 'sensible'
// default if this is our first allocation.
-
if (m_allocations.empty()) {
uint32_t address_byte_size = GetAddressByteSize();
if (address_byte_size != UINT32_MAX) {
switch (address_byte_size) {
- case 8:
- ret = 0xdead0fff00000000ull;
+ case 2:
+ ret = 0x8000ull;
break;
case 4:
ret = 0xee000000ull;
break;
default:
+ ret = 0xdead0fff00000000ull;
break;
}
}
@@ -156,7 +166,8 @@
auto back = m_allocations.rbegin();
lldb::addr_t addr = back->first;
size_t alloc_size = back->second.m_size;
- ret = llvm::alignTo(addr + alloc_size, 4096);
+ auto align = GetAddressByteSize() == 2 ? 512 : 4096;
+ ret = llvm::alignTo(addr + alloc_size, align);
}
return ret;
Index: lldb/include/lldb/Utility/DataExtractor.h
===================================================================
--- lldb/include/lldb/Utility/DataExtractor.h
+++ lldb/include/lldb/Utility/DataExtractor.h
@@ -844,7 +844,7 @@
/// The size in bytes to use when extracting addresses.
void SetAddressByteSize(uint32_t addr_size) {
#ifdef LLDB_CONFIGURATION_DEBUG
- assert(addr_size == 4 || addr_size == 8);
+ assert(addr_size == 2 || addr_size == 4 || addr_size == 8);
#endif
m_addr_size = addr_size;
}
Index: lldb/include/lldb/Utility/ArchSpec.h
===================================================================
--- lldb/include/lldb/Utility/ArchSpec.h
+++ lldb/include/lldb/Utility/ArchSpec.h
@@ -172,6 +172,8 @@
eCore_mips64r5el,
eCore_mips64r6el,
+ eCore_msp430,
+
eCore_ppc_generic,
eCore_ppc_ppc601,
eCore_ppc_ppc602,
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