diff --git a/lldb/include/lldb/Utility/ArchSpec.h b/lldb/include/lldb/Utility/ArchSpec.h
--- a/lldb/include/lldb/Utility/ArchSpec.h
+++ b/lldb/include/lldb/Utility/ArchSpec.h
@@ -92,6 +92,13 @@
eARM_abi_hard_float = 0x00000400
};
+ // RISCV specific flags
+ enum RISCVflags {
+ eRISCV_arch_c = 0x00000001,
+ eRISCV_abi_f = 0x00000010,
+ eRISCV_abi_d = 0x00000020
+ };
+
enum Core {
eCore_arm_generic,
eCore_arm_armv4,
@@ -184,6 +191,9 @@
eCore_hexagon_hexagonv4,
eCore_hexagon_hexagonv5,
+ eCore_riscv32,
+ eCore_riscv64,
+
eCore_uknownMach32,
eCore_uknownMach64,
diff --git a/lldb/source/Plugins/ABI/CMakeLists.txt b/lldb/source/Plugins/ABI/CMakeLists.txt
--- a/lldb/source/Plugins/ABI/CMakeLists.txt
+++ b/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 PowerPC RISCV SystemZ X86)
if (${target} IN_LIST LLVM_TARGETS_TO_BUILD)
add_subdirectory(${target})
endif()
diff --git a/lldb/source/Plugins/ABI/RISCV/ABISysV_riscv.h b/lldb/source/Plugins/ABI/RISCV/ABISysV_riscv.h
new file mode 100644
--- /dev/null
+++ b/lldb/source/Plugins/ABI/RISCV/ABISysV_riscv.h
@@ -0,0 +1,116 @@
+//===-- ABISysV_riscv.h -----------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef liblldb_ABISysV_riscv_h_
+#define liblldb_ABISysV_riscv_h_
+
+#include "lldb/Target/ABI.h"
+#include "lldb/lldb-private.h"
+
+class ABISysV_riscv : public lldb_private::RegInfoBasedABI {
+ bool isRV64;
+
+public:
+ size_t GetRedZoneSize() const override { return 0; }
+
+ 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 {
+ // TODO: Implement
+ return false;
+ }
+
+ bool GetArgumentValues(lldb_private::Thread &thread,
+ lldb_private::ValueList &values) const override {
+ // TODO: Implement
+ return false;
+ }
+
+ lldb_private::Status
+ SetReturnValueObject(lldb::StackFrameSP &frame_sp,
+ lldb::ValueObjectSP &new_value) override {
+ // TODO: Implement
+ lldb_private::Status error;
+ error.SetErrorString("Not yet implemented");
+ return error;
+ }
+
+ lldb::ValueObjectSP
+ GetReturnValueObjectImpl(lldb_private::Thread &thread,
+ lldb_private::CompilerType &type) const override {
+ // TODO: Implement
+ lldb::ValueObjectSP return_valobj;
+ return return_valobj;
+ }
+
+ 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 {
+ // Assume any address except zero is valid
+ if (cfa == 0)
+ return false;
+ return true;
+ }
+
+ bool CodeAddressIsValid(lldb::addr_t pc) override {
+ // Ensure addresses are smaller than XLEN bits wide. Calls can use the least
+ // significant bit to store auxiliary information, so no strict check is
+ // done for alignment.
+ if (!isRV64)
+ return (pc <= UINT32_MAX);
+ return (pc <= UINT64_MAX);
+ }
+
+ lldb::addr_t FixCodeAddress(lldb::addr_t pc) override {
+ // Since the least significant bit of a code address can be used to store
+ // auxiliary information, that bit must be zeroed in any 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(lldb::ProcessSP process_sp,
+ const lldb_private::ArchSpec &arch);
+
+ // PluginInterface protocol
+
+ static lldb_private::ConstString GetPluginNameStatic();
+
+ lldb_private::ConstString GetPluginName() override;
+
+ uint32_t GetPluginVersion() override { return 1; }
+
+protected:
+ bool RegisterIsCalleeSaved(const lldb_private::RegisterInfo *reg_info);
+
+ bool IsHardFloatProcess() const;
+
+private:
+ ABISysV_riscv(lldb::ProcessSP process_sp,
+ std::unique_ptr<llvm::MCRegisterInfo> info_up, bool _isRV64)
+ : lldb_private::RegInfoBasedABI(std::move(process_sp),
+ std::move(info_up)),
+ isRV64(_isRV64) {
+ // Call CreateInstance instead.
+ }
+};
+
+#endif // liblldb_ABISysV_riscv_h_
diff --git a/lldb/source/Plugins/ABI/RISCV/ABISysV_riscv.cpp b/lldb/source/Plugins/ABI/RISCV/ABISysV_riscv.cpp
new file mode 100644
--- /dev/null
+++ b/lldb/source/Plugins/ABI/RISCV/ABISysV_riscv.cpp
@@ -0,0 +1,389 @@
+//===-- ABISysV_riscv.cpp ---------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//===----------------------------------------------------------------------===//
+
+#include "ABISysV_riscv.h"
+
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/StringSwitch.h"
+#include "llvm/ADT/Triple.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 "lldb/Utility/Status.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+LLDB_PLUGIN_DEFINE(ABISysV_riscv)
+
+enum riscv_dwarf_regnums {
+ dwarf_x0 = 0,
+ dwarf_x1,
+ dwarf_x2,
+ dwarf_x3,
+ dwarf_x4,
+ dwarf_x5,
+ dwarf_x6,
+ dwarf_x7,
+ dwarf_x8,
+ dwarf_x9,
+ dwarf_x10,
+ dwarf_x11,
+ dwarf_x12,
+ dwarf_x13,
+ dwarf_x14,
+ dwarf_x15,
+ dwarf_x16,
+ dwarf_x17,
+ dwarf_x18,
+ dwarf_x19,
+ dwarf_x20,
+ dwarf_x21,
+ dwarf_x22,
+ dwarf_x23,
+ dwarf_x24,
+ dwarf_x25,
+ dwarf_x26,
+ dwarf_x27,
+ dwarf_x28,
+ dwarf_x29,
+ dwarf_x30,
+ dwarf_x31,
+ dwarf_f0 = 32,
+ dwarf_f1,
+ dwarf_f2,
+ dwarf_f3,
+ dwarf_f4,
+ dwarf_f5,
+ dwarf_f6,
+ dwarf_f7,
+ dwarf_f8,
+ dwarf_f9,
+ dwarf_f10,
+ dwarf_f11,
+ dwarf_f12,
+ dwarf_f13,
+ dwarf_f14,
+ dwarf_f15,
+ dwarf_f16,
+ dwarf_f17,
+ dwarf_f18,
+ dwarf_f19,
+ dwarf_f20,
+ dwarf_f21,
+ dwarf_f22,
+ dwarf_f23,
+ dwarf_f24,
+ dwarf_f25,
+ dwarf_f26,
+ dwarf_f27,
+ dwarf_f28,
+ dwarf_f29,
+ dwarf_f30,
+ dwarf_f31
+};
+
+static RegisterInfo g_register_infos_rv32[] = {
+ // clang-format off
+ {"x0", "zero", 4, 0, eEncodingUint, eFormatHex, {dwarf_x0, dwarf_x0, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x1", "ra", 4, 0, eEncodingUint, eFormatHex, {dwarf_x1, dwarf_x1, LLDB_REGNUM_GENERIC_RA, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x2", "sp", 4, 0, eEncodingUint, eFormatHex, {dwarf_x2, dwarf_x2, LLDB_REGNUM_GENERIC_SP, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x3", "gp", 4, 0, eEncodingUint, eFormatHex, {dwarf_x3, dwarf_x3, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x4", "tp", 4, 0, eEncodingUint, eFormatHex, {dwarf_x4, dwarf_x4, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x5", "t0", 4, 0, eEncodingUint, eFormatHex, {dwarf_x5, dwarf_x5, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x6", "t1", 4, 0, eEncodingUint, eFormatHex, {dwarf_x6, dwarf_x6, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x7", "t2", 4, 0, eEncodingUint, eFormatHex, {dwarf_x7, dwarf_x7, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x8", "s0", 4, 0, eEncodingUint, eFormatHex, {dwarf_x8, dwarf_x8, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x9", "s1", 4, 0, eEncodingUint, eFormatHex, {dwarf_x9, dwarf_x9, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x10", "a0", 4, 0, eEncodingUint, eFormatHex, {dwarf_x10, dwarf_x10, LLDB_REGNUM_GENERIC_ARG1, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x11", "a1", 4, 0, eEncodingUint, eFormatHex, {dwarf_x11, dwarf_x11, LLDB_REGNUM_GENERIC_ARG2, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x12", "a2", 4, 0, eEncodingUint, eFormatHex, {dwarf_x12, dwarf_x12, LLDB_REGNUM_GENERIC_ARG3, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x13", "a3", 4, 0, eEncodingUint, eFormatHex, {dwarf_x13, dwarf_x13, LLDB_REGNUM_GENERIC_ARG4, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x14", "a4", 4, 0, eEncodingUint, eFormatHex, {dwarf_x14, dwarf_x14, LLDB_REGNUM_GENERIC_ARG5, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x15", "a5", 4, 0, eEncodingUint, eFormatHex, {dwarf_x15, dwarf_x15, LLDB_REGNUM_GENERIC_ARG6, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x16", "a6", 4, 0, eEncodingUint, eFormatHex, {dwarf_x16, dwarf_x16, LLDB_REGNUM_GENERIC_ARG7, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x17", "a7", 4, 0, eEncodingUint, eFormatHex, {dwarf_x17, dwarf_x17, LLDB_REGNUM_GENERIC_ARG8, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x18", "s2", 4, 0, eEncodingUint, eFormatHex, {dwarf_x18, dwarf_x18, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x19", "s3", 4, 0, eEncodingUint, eFormatHex, {dwarf_x19, dwarf_x19, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x20", "s4", 4, 0, eEncodingUint, eFormatHex, {dwarf_x20, dwarf_x20, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x21", "s5", 4, 0, eEncodingUint, eFormatHex, {dwarf_x21, dwarf_x21, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x22", "s6", 4, 0, eEncodingUint, eFormatHex, {dwarf_x22, dwarf_x22, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x23", "s7", 4, 0, eEncodingUint, eFormatHex, {dwarf_x23, dwarf_x23, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x24", "s8", 4, 0, eEncodingUint, eFormatHex, {dwarf_x24, dwarf_x24, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x25", "s9", 4, 0, eEncodingUint, eFormatHex, {dwarf_x25, dwarf_x25, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x26", "s10", 4, 0, eEncodingUint, eFormatHex, {dwarf_x26, dwarf_x26, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x27", "s11", 4, 0, eEncodingUint, eFormatHex, {dwarf_x27, dwarf_x27, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x28", "t3", 4, 0, eEncodingUint, eFormatHex, {dwarf_x28, dwarf_x28, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x29", "t4", 4, 0, eEncodingUint, eFormatHex, {dwarf_x29, dwarf_x29, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x30", "t5", 4, 0, eEncodingUint, eFormatHex, {dwarf_x30, dwarf_x30, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x31", "t6", 4, 0, eEncodingUint, eFormatHex, {dwarf_x31, dwarf_x31, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"pc", nullptr, 4, 0, eEncodingUint, eFormatHex, {LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_REGNUM_GENERIC_PC, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f0", "ft0", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f0, dwarf_f0, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f1", "ft1", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f1, dwarf_f1, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f2", "ft2", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f2, dwarf_f2, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f3", "ft3", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f3, dwarf_f3, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f4", "ft4", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f4, dwarf_f4, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f5", "ft5", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f5, dwarf_f5, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f6", "ft6", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f6, dwarf_f6, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f7", "ft7", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f7, dwarf_f7, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f8", "fs0", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f8, dwarf_f8, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f9", "fs1", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f9, dwarf_f9, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f10", "fa0", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f10, dwarf_f10, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f11", "fa1", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f11, dwarf_f11, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f12", "fa2", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f12, dwarf_f12, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f13", "fa3", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f13, dwarf_f13, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f14", "fa4", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f14, dwarf_f14, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f15", "fa5", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f15, dwarf_f15, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f16", "fa6", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f16, dwarf_f16, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f17", "fa7", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f17, dwarf_f17, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f18", "fs2", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f18, dwarf_f18, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f19", "fs3", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f19, dwarf_f19, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f20", "fs4", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f20, dwarf_f20, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f21", "fs5", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f21, dwarf_f21, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f22", "fs6", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f22, dwarf_f22, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f23", "fs7", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f23, dwarf_f23, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f24", "fs8", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f24, dwarf_f24, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f25", "fs9", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f25, dwarf_f25, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f26", "fs10", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f26, dwarf_f26, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f27", "fs11", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f27, dwarf_f27, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f28", "ft8", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f28, dwarf_f28, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f29", "ft9", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f29, dwarf_f29, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f30", "ft10", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f30, dwarf_f30, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f31", "ft11", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f31, dwarf_f31, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ // clang-format on
+};
+
+static RegisterInfo g_register_infos_rv64[] = {
+ // clang-format off
+ {"x0", "zero", 8, 0, eEncodingUint, eFormatHex, {dwarf_x0, dwarf_x0, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x1", "ra", 8, 0, eEncodingUint, eFormatHex, {dwarf_x1, dwarf_x1, LLDB_REGNUM_GENERIC_RA, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x2", "sp", 8, 0, eEncodingUint, eFormatHex, {dwarf_x2, dwarf_x2, LLDB_REGNUM_GENERIC_SP, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x3", "gp", 8, 0, eEncodingUint, eFormatHex, {dwarf_x3, dwarf_x3, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x4", "tp", 8, 0, eEncodingUint, eFormatHex, {dwarf_x4, dwarf_x4, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x5", "t0", 8, 0, eEncodingUint, eFormatHex, {dwarf_x5, dwarf_x5, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x6", "t1", 8, 0, eEncodingUint, eFormatHex, {dwarf_x6, dwarf_x6, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x7", "t2", 8, 0, eEncodingUint, eFormatHex, {dwarf_x7, dwarf_x7, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x8", "s0", 8, 0, eEncodingUint, eFormatHex, {dwarf_x8, dwarf_x8, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x9", "s1", 8, 0, eEncodingUint, eFormatHex, {dwarf_x9, dwarf_x9, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x10", "a0", 8, 0, eEncodingUint, eFormatHex, {dwarf_x10, dwarf_x10, LLDB_REGNUM_GENERIC_ARG1, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x11", "a1", 8, 0, eEncodingUint, eFormatHex, {dwarf_x11, dwarf_x11, LLDB_REGNUM_GENERIC_ARG2, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x12", "a2", 8, 0, eEncodingUint, eFormatHex, {dwarf_x12, dwarf_x12, LLDB_REGNUM_GENERIC_ARG3, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x13", "a3", 8, 0, eEncodingUint, eFormatHex, {dwarf_x13, dwarf_x13, LLDB_REGNUM_GENERIC_ARG4, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x14", "a4", 8, 0, eEncodingUint, eFormatHex, {dwarf_x14, dwarf_x14, LLDB_REGNUM_GENERIC_ARG5, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x15", "a5", 8, 0, eEncodingUint, eFormatHex, {dwarf_x15, dwarf_x15, LLDB_REGNUM_GENERIC_ARG6, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x16", "a6", 8, 0, eEncodingUint, eFormatHex, {dwarf_x16, dwarf_x16, LLDB_REGNUM_GENERIC_ARG7, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x17", "a7", 8, 0, eEncodingUint, eFormatHex, {dwarf_x17, dwarf_x17, LLDB_REGNUM_GENERIC_ARG8, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x18", "s2", 8, 0, eEncodingUint, eFormatHex, {dwarf_x18, dwarf_x18, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x19", "s3", 8, 0, eEncodingUint, eFormatHex, {dwarf_x19, dwarf_x19, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x20", "s4", 8, 0, eEncodingUint, eFormatHex, {dwarf_x20, dwarf_x20, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x21", "s5", 8, 0, eEncodingUint, eFormatHex, {dwarf_x21, dwarf_x21, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x22", "s6", 8, 0, eEncodingUint, eFormatHex, {dwarf_x22, dwarf_x22, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x23", "s7", 8, 0, eEncodingUint, eFormatHex, {dwarf_x23, dwarf_x23, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x24", "s8", 8, 0, eEncodingUint, eFormatHex, {dwarf_x24, dwarf_x24, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x25", "s9", 8, 0, eEncodingUint, eFormatHex, {dwarf_x25, dwarf_x25, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x26", "s10", 8, 0, eEncodingUint, eFormatHex, {dwarf_x26, dwarf_x26, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x27", "s11", 8, 0, eEncodingUint, eFormatHex, {dwarf_x27, dwarf_x27, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x28", "t3", 8, 0, eEncodingUint, eFormatHex, {dwarf_x28, dwarf_x28, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x29", "t4", 8, 0, eEncodingUint, eFormatHex, {dwarf_x29, dwarf_x29, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x30", "t5", 8, 0, eEncodingUint, eFormatHex, {dwarf_x30, dwarf_x30, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"x31", "t6", 8, 0, eEncodingUint, eFormatHex, {dwarf_x31, dwarf_x31, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"pc", nullptr, 8, 0, eEncodingUint, eFormatHex, {LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_REGNUM_GENERIC_PC, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f0", "ft0", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f0, dwarf_f0, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f1", "ft1", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f1, dwarf_f1, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f2", "ft2", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f2, dwarf_f2, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f3", "ft3", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f3, dwarf_f3, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f4", "ft4", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f4, dwarf_f4, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f5", "ft5", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f5, dwarf_f5, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f6", "ft6", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f6, dwarf_f6, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f7", "ft7", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f7, dwarf_f7, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f8", "fs0", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f8, dwarf_f8, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f9", "fs1", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f9, dwarf_f9, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f10", "fa0", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f10, dwarf_f10, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f11", "fa1", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f11, dwarf_f11, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f12", "fa2", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f12, dwarf_f12, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f13", "fa3", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f13, dwarf_f13, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f14", "fa4", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f14, dwarf_f14, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f15", "fa5", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f15, dwarf_f15, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f16", "fa6", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f16, dwarf_f16, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f17", "fa7", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f17, dwarf_f17, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f18", "fs2", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f18, dwarf_f18, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f19", "fs3", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f19, dwarf_f19, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f20", "fs4", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f20, dwarf_f20, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f21", "fs5", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f21, dwarf_f21, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f22", "fs6", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f22, dwarf_f22, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f23", "fs7", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f23, dwarf_f23, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f24", "fs8", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f24, dwarf_f24, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f25", "fs9", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f25, dwarf_f25, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f26", "fs10", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f26, dwarf_f26, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f27", "fs11", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f27, dwarf_f27, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f28", "ft8", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f28, dwarf_f28, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f29", "ft9", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f29, dwarf_f29, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f30", "ft10", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f30, dwarf_f30, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ {"f31", "ft11", 4, 0, eEncodingIEEE754, eFormatFloat, {dwarf_f31, dwarf_f31, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM}, nullptr, nullptr, nullptr, 0},
+ // clang-format on
+};
+
+static const uint32_t k_num_register_infos_rv32 =
+ llvm::array_lengthof(g_register_infos_rv32);
+static const uint32_t k_num_register_infos_rv64 =
+ llvm::array_lengthof(g_register_infos_rv64);
+static bool g_register_info_names_constified = false;
+
+static void ConstantifyTable(RegisterInfo *register_infos, uint32_t count) {
+ for (uint32_t i = 0; i < count; ++i) {
+ if (register_infos[i].name)
+ register_infos[i].name = ConstString(register_infos[i].name).GetCString();
+ if (register_infos[i].alt_name)
+ register_infos[i].alt_name =
+ ConstString(register_infos[i].alt_name).GetCString();
+ }
+}
+
+const lldb_private::RegisterInfo *
+ABISysV_riscv::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.
+ if (!g_register_info_names_constified) {
+ g_register_info_names_constified = true;
+ ConstantifyTable(g_register_infos_rv32, k_num_register_infos_rv32);
+ ConstantifyTable(g_register_infos_rv64, k_num_register_infos_rv64);
+ }
+
+ if (isRV64) {
+ count = k_num_register_infos_rv64;
+ return g_register_infos_rv64;
+ }
+ count = k_num_register_infos_rv32;
+ return g_register_infos_rv32;
+}
+
+bool ABISysV_riscv::CreateFunctionEntryUnwindPlan(UnwindPlan &unwind_plan) {
+ unwind_plan.Clear();
+ unwind_plan.SetRegisterKind(eRegisterKindGeneric);
+
+ uint32_t pc_reg_num = LLDB_REGNUM_GENERIC_PC;
+ uint32_t sp_reg_num = LLDB_REGNUM_GENERIC_SP;
+ uint32_t ra_reg_num = LLDB_REGNUM_GENERIC_RA;
+
+ UnwindPlan::RowSP row(new UnwindPlan::Row);
+
+ // Define CFA as the stack pointer
+ row->GetCFAValue().SetIsRegisterPlusOffset(sp_reg_num, 0);
+
+ // Previous frames pc is in ra
+ row->SetRegisterLocationToRegister(pc_reg_num, ra_reg_num, true);
+
+ unwind_plan.AppendRow(row);
+ unwind_plan.SetSourceName("riscv function-entry unwind plan");
+ unwind_plan.SetSourcedFromCompiler(eLazyBoolNo);
+ return true;
+}
+
+bool ABISysV_riscv::CreateDefaultUnwindPlan(UnwindPlan &unwind_plan) {
+ unwind_plan.Clear();
+ unwind_plan.SetRegisterKind(eRegisterKindGeneric);
+
+ uint32_t pc_reg_num = LLDB_REGNUM_GENERIC_PC;
+ uint32_t sp_reg_num = LLDB_REGNUM_GENERIC_SP;
+ uint32_t ra_reg_num = LLDB_REGNUM_GENERIC_RA;
+
+ UnwindPlan::RowSP row(new UnwindPlan::Row);
+
+ // Define the CFA as the current stack pointer.
+ row->GetCFAValue().SetIsRegisterPlusOffset(sp_reg_num, 0);
+ row->SetOffset(0);
+
+ // The previous frames pc is stored in ra.
+ row->SetRegisterLocationToRegister(pc_reg_num, ra_reg_num, true);
+
+ unwind_plan.AppendRow(row);
+ unwind_plan.SetSourceName("riscv default unwind plan");
+ unwind_plan.SetSourcedFromCompiler(eLazyBoolNo);
+ unwind_plan.SetUnwindPlanValidAtAllInstructions(eLazyBoolNo);
+ return true;
+}
+
+bool ABISysV_riscv::RegisterIsVolatile(
+ const lldb_private::RegisterInfo *reg_info) {
+ return !RegisterIsCalleeSaved(reg_info);
+}
+
+// See "Register Convention" in the RISC-V psABI documentation, which is
+// maintained at https://github.com/riscv/riscv-elf-psabi-doc
+bool ABISysV_riscv::RegisterIsCalleeSaved(
+ const lldb_private::RegisterInfo *reg_info) {
+ if (!reg_info)
+ return false;
+
+ bool IsCalleeSaved =
+ llvm::StringSwitch<bool>(reg_info->name)
+ .Cases("x1", "x2", "x8", "x9", "x18", "x19", "x20", "x21", true)
+ .Cases("x22", "x23", "x24", "x25", "x26", "x27", true)
+ .Cases("f8", "f9", "f18", "f19", "f20", "f21", IsHardFloatProcess())
+ .Cases("f22", "f23", "f24", "f25", "f26", "f27", IsHardFloatProcess())
+ .Default(false);
+ return IsCalleeSaved;
+}
+
+bool ABISysV_riscv::IsHardFloatProcess() const {
+ bool is_hardfloat = false;
+ ProcessSP process_sp(GetProcessSP());
+ if (process_sp) {
+ const ArchSpec &arch(process_sp->GetTarget().GetArchitecture());
+ if (arch.GetFlags() & ArchSpec::eRISCV_abi_f ||
+ arch.GetFlags() & ArchSpec::eRISCV_abi_d)
+ is_hardfloat = true;
+ }
+ return is_hardfloat;
+}
+
+ABISP
+ABISysV_riscv::CreateInstance(lldb::ProcessSP process_sp,
+ const ArchSpec &arch) {
+ if (arch.GetTriple().getArch() == llvm::Triple::riscv32 ||
+ arch.GetTriple().getArch() == llvm::Triple::riscv64) {
+ return ABISP(
+ new ABISysV_riscv(std::move(process_sp), MakeMCRegisterInfo(arch),
+ arch.GetTriple().getArch() == llvm::Triple::riscv64));
+ }
+ return ABISP();
+}
+
+void ABISysV_riscv::Initialize() {
+ PluginManager::RegisterPlugin(
+ GetPluginNameStatic(), "System V ABI for riscv targets", CreateInstance);
+}
+
+void ABISysV_riscv::Terminate() {
+ PluginManager::UnregisterPlugin(CreateInstance);
+}
+
+// PluginInterface protocol
+
+lldb_private::ConstString ABISysV_riscv::GetPluginNameStatic() {
+ static ConstString g_name("sysv-riscv");
+ return g_name;
+}
+
+lldb_private::ConstString ABISysV_riscv::GetPluginName() {
+ return GetPluginNameStatic();
+}
diff --git a/lldb/source/Plugins/ABI/RISCV/CMakeLists.txt b/lldb/source/Plugins/ABI/RISCV/CMakeLists.txt
new file mode 100644
--- /dev/null
+++ b/lldb/source/Plugins/ABI/RISCV/CMakeLists.txt
@@ -0,0 +1,10 @@
+add_lldb_library(lldbPluginABISysV_riscv PLUGIN
+ ABISysV_riscv.cpp
+
+ LINK_LIBS
+ lldbCore
+ lldbSymbol
+ lldbTarget
+ LINK_COMPONENTS
+ Support
+ )
diff --git a/lldb/source/Plugins/Disassembler/LLVMC/DisassemblerLLVMC.cpp b/lldb/source/Plugins/Disassembler/LLVMC/DisassemblerLLVMC.cpp
--- a/lldb/source/Plugins/Disassembler/LLVMC/DisassemblerLLVMC.cpp
+++ b/lldb/source/Plugins/Disassembler/LLVMC/DisassemblerLLVMC.cpp
@@ -1149,6 +1149,11 @@
cpu = "apple-latest";
}
+ // For RISC-V, enable all standard extensions so these can be disassembled.
+ if (triple.getArch() == llvm::Triple::riscv32 ||
+ triple.getArch() == llvm::Triple::riscv64)
+ features_str += "+a,+c,+d,+f,+m";
+
// We use m_disasm_up.get() to tell whether we are valid or not, so if this
// isn't good for some reason, we won't be valid and FindPlugin will fail and
// we won't get used.
diff --git a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
--- a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
+++ b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
@@ -1364,6 +1364,18 @@
arch_spec.SetFlags(ArchSpec::eARM_abi_hard_float);
}
+ if (arch_spec.GetMachine() == llvm::Triple::riscv32 ||
+ arch_spec.GetMachine() == llvm::Triple::riscv64) {
+ if (header.e_flags & llvm::ELF::EF_RISCV_RVC)
+ arch_spec.SetFlags(ArchSpec::eRISCV_arch_c);
+ if ((header.e_flags & llvm::ELF::EF_RISCV_FLOAT_ABI) ==
+ llvm::ELF::EF_RISCV_FLOAT_ABI_SINGLE)
+ arch_spec.SetFlags(ArchSpec::eRISCV_abi_f);
+ if ((header.e_flags & llvm::ELF::EF_RISCV_FLOAT_ABI) ==
+ llvm::ELF::EF_RISCV_FLOAT_ABI_DOUBLE)
+ arch_spec.SetFlags(ArchSpec::eRISCV_abi_d);
+ }
+
// If there are no section headers we are done.
if (header.e_shnum == 0)
return 0;
diff --git a/lldb/source/Target/Platform.cpp b/lldb/source/Target/Platform.cpp
--- a/lldb/source/Target/Platform.cpp
+++ b/lldb/source/Target/Platform.cpp
@@ -1967,6 +1967,20 @@
trap_opcode_size = sizeof(g_i386_opcode);
} break;
+ case llvm::Triple::riscv32:
+ case llvm::Triple::riscv64: {
+ static const uint8_t g_riscv_c_opcode[] = {0x02, 0x90}; // c_ebreak
+ static const uint8_t g_riscv_opcode[] = {0x73, 0x00, 0x10, 0x00}; // ebreak
+ if (arch.GetFlags() & ArchSpec::eRISCV_arch_c) {
+ trap_opcode = g_riscv_c_opcode;
+ trap_opcode_size = sizeof(g_riscv_c_opcode);
+ } else {
+ trap_opcode = g_riscv_opcode;
+ trap_opcode_size = sizeof(g_riscv_opcode);
+ }
+ break;
+ }
+
default:
return 0;
}
diff --git a/lldb/source/Utility/ArchSpec.cpp b/lldb/source/Utility/ArchSpec.cpp
--- a/lldb/source/Utility/ArchSpec.cpp
+++ b/lldb/source/Utility/ArchSpec.cpp
@@ -212,6 +212,11 @@
{eByteOrderLittle, 4, 4, 4, llvm::Triple::hexagon,
ArchSpec::eCore_hexagon_hexagonv5, "hexagonv5"},
+ {eByteOrderLittle, 4, 2, 4, llvm::Triple::riscv32, ArchSpec::eCore_riscv32,
+ "riscv32"},
+ {eByteOrderLittle, 8, 2, 4, llvm::Triple::riscv64, ArchSpec::eCore_riscv64,
+ "riscv64"},
+
{eByteOrderLittle, 4, 4, 4, llvm::Triple::UnknownArch,
ArchSpec::eCore_uknownMach32, "unknown-mach-32"},
{eByteOrderLittle, 8, 4, 4, llvm::Triple::UnknownArch,
@@ -452,6 +457,10 @@
0xFFFFFFFFu, 0xFFFFFFFFu}, // ARC
{ArchSpec::eCore_avr, llvm::ELF::EM_AVR, LLDB_INVALID_CPUTYPE,
0xFFFFFFFFu, 0xFFFFFFFFu}, // AVR
+ {ArchSpec::eCore_riscv32, llvm::ELF::EM_RISCV, LLDB_INVALID_CPUTYPE,
+ 0xFFFFFFFFu, 0xFFFFFFFFu}, // riscv32
+ {ArchSpec::eCore_riscv64, llvm::ELF::EM_RISCV, LLDB_INVALID_CPUTYPE,
+ 0xFFFFFFFFu, 0xFFFFFFFFu}, // riscv64
};
static const ArchDefinition g_elf_arch_def = {