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-rw-r--r--lldb/source/Plugins/Process/Linux/CMakeLists.txt1
-rw-r--r--lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp11
-rw-r--r--lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_s390x.cpp716
-rw-r--r--lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_s390x.h141
-rw-r--r--lldb/source/Plugins/Process/Utility/CMakeLists.txt2
-rw-r--r--lldb/source/Plugins/Process/Utility/RegisterContextLinux_s390x.cpp98
-rw-r--r--lldb/source/Plugins/Process/Utility/RegisterContextLinux_s390x.h42
-rw-r--r--lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_s390x.cpp265
-rw-r--r--lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_s390x.h103
-rw-r--r--lldb/source/Plugins/Process/Utility/RegisterContext_s390x.h93
-rw-r--r--lldb/source/Plugins/Process/Utility/RegisterInfos_s390x.h132
-rw-r--r--lldb/source/Plugins/Process/Utility/lldb-s390x-register-enums.h94
-rw-r--r--lldb/source/Plugins/Process/elf-core/CMakeLists.txt1
-rw-r--r--lldb/source/Plugins/Process/elf-core/RegisterContextPOSIXCore_s390x.cpp115
-rw-r--r--lldb/source/Plugins/Process/elf-core/RegisterContextPOSIXCore_s390x.h65
-rw-r--r--lldb/source/Plugins/Process/elf-core/ThreadElfCore.cpp10
-rw-r--r--lldb/source/Plugins/Process/elf-core/ThreadElfCore.h2
17 files changed, 1891 insertions, 0 deletions
diff --git a/lldb/source/Plugins/Process/Linux/CMakeLists.txt b/lldb/source/Plugins/Process/Linux/CMakeLists.txt
index bfbfb2ff707..8291fef467e 100644
--- a/lldb/source/Plugins/Process/Linux/CMakeLists.txt
+++ b/lldb/source/Plugins/Process/Linux/CMakeLists.txt
@@ -9,6 +9,7 @@ add_lldb_library(lldbPluginProcessLinux
NativeRegisterContextLinux_arm64.cpp
NativeRegisterContextLinux_x86_64.cpp
NativeRegisterContextLinux_mips64.cpp
+ NativeRegisterContextLinux_s390x.cpp
NativeThreadLinux.cpp
ProcFileReader.cpp
SingleStepCheck.cpp
diff --git a/lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp b/lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp
index ea0972cf58c..15498eab838 100644
--- a/lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp
+++ b/lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp
@@ -2247,6 +2247,7 @@ NativeProcessLinux::GetSoftwareBreakpointPCOffset(uint32_t &actual_opcode_size)
// FIXME put this behind a breakpoint protocol class that can be
// set per architecture. Need ARM, MIPS support here.
static const uint8_t g_i386_opcode [] = { 0xCC };
+ static const uint8_t g_s390x_opcode[] = { 0x00, 0x01 };
switch (m_arch.GetMachine ())
{
@@ -2255,6 +2256,10 @@ NativeProcessLinux::GetSoftwareBreakpointPCOffset(uint32_t &actual_opcode_size)
actual_opcode_size = static_cast<uint32_t> (sizeof(g_i386_opcode));
return Error ();
+ case llvm::Triple::systemz:
+ actual_opcode_size = static_cast<uint32_t> (sizeof(g_s390x_opcode));
+ return Error ();
+
case llvm::Triple::arm:
case llvm::Triple::aarch64:
case llvm::Triple::mips64:
@@ -2294,6 +2299,7 @@ NativeProcessLinux::GetSoftwareBreakpointTrapOpcode (size_t trap_opcode_size_hin
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_s390x_opcode[] = { 0x00, 0x01 };
static const uint8_t g_thumb_breakpoint_opcode[] = { 0x01, 0xde };
switch (m_arch.GetMachine ())
@@ -2337,6 +2343,11 @@ NativeProcessLinux::GetSoftwareBreakpointTrapOpcode (size_t trap_opcode_size_hin
actual_opcode_size = sizeof(g_mips64el_opcode);
return Error ();
+ case llvm::Triple::systemz:
+ trap_opcode_bytes = g_s390x_opcode;
+ actual_opcode_size = sizeof(g_s390x_opcode);
+ return Error ();
+
default:
assert(false && "CPU type not supported!");
return Error ("CPU type not supported");
diff --git a/lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_s390x.cpp b/lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_s390x.cpp
new file mode 100644
index 00000000000..b09ad400d90
--- /dev/null
+++ b/lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_s390x.cpp
@@ -0,0 +1,716 @@
+//===-- NativeRegisterContextLinux_s390x.cpp --------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#if defined(__s390x__) && defined(__linux__)
+
+#include "NativeRegisterContextLinux_s390x.h"
+
+#include "lldb/Core/DataBufferHeap.h"
+#include "lldb/Core/Error.h"
+#include "lldb/Core/Log.h"
+#include "lldb/Core/RegisterValue.h"
+#include "lldb/Host/HostInfo.h"
+
+#include "Plugins/Process/Utility/RegisterContextLinux_s390x.h"
+
+#include <asm/ptrace.h>
+#include <linux/uio.h>
+#include <sys/ptrace.h>
+
+using namespace lldb_private;
+using namespace lldb_private::process_linux;
+
+// ----------------------------------------------------------------------------
+// Private namespace.
+// ----------------------------------------------------------------------------
+
+namespace
+{
+ // s390x 64-bit general purpose registers.
+ static const uint32_t g_gpr_regnums_s390x[] =
+ {
+ lldb_r0_s390x,
+ lldb_r1_s390x,
+ lldb_r2_s390x,
+ lldb_r3_s390x,
+ lldb_r4_s390x,
+ lldb_r5_s390x,
+ lldb_r6_s390x,
+ lldb_r7_s390x,
+ lldb_r8_s390x,
+ lldb_r9_s390x,
+ lldb_r10_s390x,
+ lldb_r11_s390x,
+ lldb_r12_s390x,
+ lldb_r13_s390x,
+ lldb_r14_s390x,
+ lldb_r15_s390x,
+ lldb_acr0_s390x,
+ lldb_acr1_s390x,
+ lldb_acr2_s390x,
+ lldb_acr3_s390x,
+ lldb_acr4_s390x,
+ lldb_acr5_s390x,
+ lldb_acr6_s390x,
+ lldb_acr7_s390x,
+ lldb_acr8_s390x,
+ lldb_acr9_s390x,
+ lldb_acr10_s390x,
+ lldb_acr11_s390x,
+ lldb_acr12_s390x,
+ lldb_acr13_s390x,
+ lldb_acr14_s390x,
+ lldb_acr15_s390x,
+ lldb_pswm_s390x,
+ lldb_pswa_s390x,
+ LLDB_INVALID_REGNUM // register sets need to end with this flag
+ };
+ static_assert((sizeof(g_gpr_regnums_s390x) / sizeof(g_gpr_regnums_s390x[0])) - 1 == k_num_gpr_registers_s390x,
+ "g_gpr_regnums_s390x has wrong number of register infos");
+
+ // s390x 64-bit floating point registers.
+ static const uint32_t g_fpu_regnums_s390x[] =
+ {
+ lldb_f0_s390x,
+ lldb_f1_s390x,
+ lldb_f2_s390x,
+ lldb_f3_s390x,
+ lldb_f4_s390x,
+ lldb_f5_s390x,
+ lldb_f6_s390x,
+ lldb_f7_s390x,
+ lldb_f8_s390x,
+ lldb_f9_s390x,
+ lldb_f10_s390x,
+ lldb_f11_s390x,
+ lldb_f12_s390x,
+ lldb_f13_s390x,
+ lldb_f14_s390x,
+ lldb_f15_s390x,
+ lldb_fpc_s390x,
+ LLDB_INVALID_REGNUM // register sets need to end with this flag
+ };
+ static_assert((sizeof(g_fpu_regnums_s390x) / sizeof(g_fpu_regnums_s390x[0])) - 1 == k_num_fpr_registers_s390x,
+ "g_fpu_regnums_s390x has wrong number of register infos");
+
+ // s390x Linux operating-system information.
+ static const uint32_t g_linux_regnums_s390x[] =
+ {
+ lldb_orig_r2_s390x,
+ lldb_last_break_s390x,
+ lldb_system_call_s390x,
+ LLDB_INVALID_REGNUM // register sets need to end with this flag
+ };
+ static_assert((sizeof(g_linux_regnums_s390x) / sizeof(g_linux_regnums_s390x[0])) - 1 == k_num_linux_registers_s390x,
+ "g_linux_regnums_s390x has wrong number of register infos");
+
+ // Number of register sets provided by this context.
+ enum
+ {
+ k_num_register_sets = 3
+ };
+
+ // Register sets for s390x 64-bit.
+ static const RegisterSet g_reg_sets_s390x[k_num_register_sets] =
+ {
+ { "General Purpose Registers", "gpr", k_num_gpr_registers_s390x, g_gpr_regnums_s390x },
+ { "Floating Point Registers", "fpr", k_num_fpr_registers_s390x, g_fpu_regnums_s390x },
+ { "Linux Operating System Data", "linux", k_num_linux_registers_s390x, g_linux_regnums_s390x },
+ };
+}
+
+#define REG_CONTEXT_SIZE (sizeof(s390_regs) + sizeof(s390_fp_regs) + 4)
+
+// ----------------------------------------------------------------------------
+// Required ptrace defines.
+// ----------------------------------------------------------------------------
+
+#define NT_S390_LAST_BREAK 0x306 /* s390 breaking event address */
+#define NT_S390_SYSTEM_CALL 0x307 /* s390 system call restart data */
+
+NativeRegisterContextLinux *
+NativeRegisterContextLinux::CreateHostNativeRegisterContextLinux(const ArchSpec &target_arch,
+ NativeThreadProtocol &native_thread,
+ uint32_t concrete_frame_idx)
+{
+ return new NativeRegisterContextLinux_s390x(target_arch, native_thread, concrete_frame_idx);
+}
+
+// ----------------------------------------------------------------------------
+// NativeRegisterContextLinux_s390x members.
+// ----------------------------------------------------------------------------
+
+static RegisterInfoInterface *
+CreateRegisterInfoInterface(const ArchSpec &target_arch)
+{
+ assert((HostInfo::GetArchitecture().GetAddressByteSize() == 8) &&
+ "Register setting path assumes this is a 64-bit host");
+ return new RegisterContextLinux_s390x(target_arch);
+}
+
+NativeRegisterContextLinux_s390x::NativeRegisterContextLinux_s390x(const ArchSpec &target_arch,
+ NativeThreadProtocol &native_thread,
+ uint32_t concrete_frame_idx)
+ : NativeRegisterContextLinux(native_thread, concrete_frame_idx, CreateRegisterInfoInterface(target_arch))
+{
+ // Set up data about ranges of valid registers.
+ switch (target_arch.GetMachine())
+ {
+ case llvm::Triple::systemz:
+ m_reg_info.num_registers = k_num_registers_s390x;
+ m_reg_info.num_gpr_registers = k_num_gpr_registers_s390x;
+ m_reg_info.num_fpr_registers = k_num_fpr_registers_s390x;
+ m_reg_info.last_gpr = k_last_gpr_s390x;
+ m_reg_info.first_fpr = k_first_fpr_s390x;
+ m_reg_info.last_fpr = k_last_fpr_s390x;
+ break;
+ default:
+ assert(false && "Unhandled target architecture.");
+ break;
+ }
+
+ // Clear out the watchpoint state.
+ m_watchpoint_addr = LLDB_INVALID_ADDRESS;
+}
+
+uint32_t
+NativeRegisterContextLinux_s390x::GetRegisterSetCount() const
+{
+ uint32_t sets = 0;
+ for (uint32_t set_index = 0; set_index < k_num_register_sets; ++set_index)
+ {
+ if (IsRegisterSetAvailable(set_index))
+ ++sets;
+ }
+
+ return sets;
+}
+
+uint32_t
+NativeRegisterContextLinux_s390x::GetUserRegisterCount() const
+{
+ uint32_t count = 0;
+ for (uint32_t set_index = 0; set_index < k_num_register_sets; ++set_index)
+ {
+ const RegisterSet *set = GetRegisterSet(set_index);
+ if (set)
+ count += set->num_registers;
+ }
+ return count;
+}
+
+const RegisterSet *
+NativeRegisterContextLinux_s390x::GetRegisterSet(uint32_t set_index) const
+{
+ if (!IsRegisterSetAvailable(set_index))
+ return nullptr;
+
+ switch (GetRegisterInfoInterface().GetTargetArchitecture().GetMachine())
+ {
+ case llvm::Triple::systemz:
+ return &g_reg_sets_s390x[set_index];
+ default:
+ assert(false && "Unhandled target architecture.");
+ return nullptr;
+ }
+
+ return nullptr;
+}
+
+bool
+NativeRegisterContextLinux_s390x::IsRegisterSetAvailable(uint32_t set_index) const
+{
+ return set_index < k_num_register_sets;
+}
+
+bool
+NativeRegisterContextLinux_s390x::IsGPR(uint32_t reg_index) const
+{
+ // GPRs come first. "orig_r2" counts as GPR since it is part of the GPR register area.
+ return reg_index <= m_reg_info.last_gpr || reg_index == lldb_orig_r2_s390x;
+}
+
+bool
+NativeRegisterContextLinux_s390x::IsFPR(uint32_t reg_index) const
+{
+ return (m_reg_info.first_fpr <= reg_index && reg_index <= m_reg_info.last_fpr);
+}
+
+Error
+NativeRegisterContextLinux_s390x::ReadRegister(const RegisterInfo *reg_info, RegisterValue &reg_value)
+{
+ if (!reg_info)
+ return Error("reg_info NULL");
+
+ const uint32_t reg = reg_info->kinds[lldb::eRegisterKindLLDB];
+ if (reg == LLDB_INVALID_REGNUM)
+ return Error("register \"%s\" is an internal-only lldb register, cannot read directly", reg_info->name);
+
+ if (IsGPR(reg))
+ {
+ s390_regs regs;
+ Error error = DoReadGPR(&regs, sizeof(regs));
+ if (error.Fail())
+ return error;
+
+ uint8_t *src = (uint8_t *)&regs + reg_info->byte_offset;
+ assert(reg_info->byte_offset + reg_info->byte_size <= sizeof(regs));
+ switch (reg_info->byte_size)
+ {
+ case 4:
+ reg_value.SetUInt32(*(uint32_t *)src);
+ break;
+ case 8:
+ reg_value.SetUInt64(*(uint64_t *)src);
+ break;
+ default:
+ assert(false && "Unhandled data size.");
+ return Error("unhandled byte size: %" PRIu32, reg_info->byte_size);
+ }
+ return Error();
+ }
+
+ if (IsFPR(reg))
+ {
+ s390_fp_regs fp_regs;
+ Error error = DoReadFPR(&fp_regs, sizeof(fp_regs));
+ if (error.Fail())
+ return error;
+
+ // byte_offset is just the offset within FPR, not the whole user area.
+ uint8_t *src = (uint8_t *)&fp_regs + reg_info->byte_offset;
+ assert(reg_info->byte_offset + reg_info->byte_size <= sizeof(fp_regs));
+ switch (reg_info->byte_size)
+ {
+ case 4:
+ reg_value.SetUInt32(*(uint32_t *)src);
+ break;
+ case 8:
+ reg_value.SetUInt64(*(uint64_t *)src);
+ break;
+ default:
+ assert(false && "Unhandled data size.");
+ return Error("unhandled byte size: %" PRIu32, reg_info->byte_size);
+ }
+ return Error();
+ }
+
+ if (reg == lldb_last_break_s390x)
+ {
+ uint64_t last_break;
+ Error error = DoReadRegisterSet(NT_S390_LAST_BREAK, &last_break, 8);
+ if (error.Fail())
+ return error;
+
+ reg_value.SetUInt64(last_break);
+ return Error();
+ }
+
+ if (reg == lldb_system_call_s390x)
+ {
+ uint32_t system_call;
+ Error error = DoReadRegisterSet(NT_S390_SYSTEM_CALL, &system_call, 4);
+ if (error.Fail())
+ return error;
+
+ reg_value.SetUInt32(system_call);
+ return Error();
+ }
+
+ return Error("failed - register wasn't recognized");
+}
+
+Error
+NativeRegisterContextLinux_s390x::WriteRegister(const RegisterInfo *reg_info, const RegisterValue &reg_value)
+{
+ if (!reg_info)
+ return Error("reg_info NULL");
+
+ const uint32_t reg = reg_info->kinds[lldb::eRegisterKindLLDB];
+ if (reg == LLDB_INVALID_REGNUM)
+ return Error("register \"%s\" is an internal-only lldb register, cannot write directly", reg_info->name);
+
+ if (IsGPR(reg))
+ {
+ s390_regs regs;
+ Error error = DoReadGPR(&regs, sizeof(regs));
+ if (error.Fail())
+ return error;
+
+ uint8_t *dst = (uint8_t *)&regs + reg_info->byte_offset;
+ assert(reg_info->byte_offset + reg_info->byte_size <= sizeof(regs));
+ switch (reg_info->byte_size)
+ {
+ case 4:
+ *(uint32_t *)dst = reg_value.GetAsUInt32();
+ break;
+ case 8:
+ *(uint64_t *)dst = reg_value.GetAsUInt64();
+ break;
+ default:
+ assert(false && "Unhandled data size.");
+ return Error("unhandled byte size: %" PRIu32, reg_info->byte_size);
+ }
+ return DoWriteGPR(&regs, sizeof(regs));
+ }
+
+ if (IsFPR(reg))
+ {
+ s390_fp_regs fp_regs;
+ Error error = DoReadFPR(&fp_regs, sizeof(fp_regs));
+ if (error.Fail())
+ return error;
+
+ // byte_offset is just the offset within fp_regs, not the whole user area.
+ uint8_t *dst = (uint8_t *)&fp_regs + reg_info->byte_offset;
+ assert(reg_info->byte_offset + reg_info->byte_size <= sizeof(fp_regs));
+ switch (reg_info->byte_size)
+ {
+ case 4:
+ *(uint32_t *)dst = reg_value.GetAsUInt32();
+ break;
+ case 8:
+ *(uint64_t *)dst = reg_value.GetAsUInt64();
+ break;
+ default:
+ assert(false && "Unhandled data size.");
+ return Error("unhandled byte size: %" PRIu32, reg_info->byte_size);
+ }
+ return DoWriteFPR(&fp_regs, sizeof(fp_regs));
+ }
+
+ if (reg == lldb_last_break_s390x)
+ {
+ return Error("The last break address is read-only");
+ }
+
+ if (reg == lldb_system_call_s390x)
+ {
+ uint32_t system_call = reg_value.GetAsUInt32();
+ return DoWriteRegisterSet(NT_S390_SYSTEM_CALL, &system_call, 4);
+ }
+
+ return Error("failed - register wasn't recognized");
+}
+
+Error
+NativeRegisterContextLinux_s390x::ReadAllRegisterValues(lldb::DataBufferSP &data_sp)
+{
+ Error error;
+
+ data_sp.reset(new DataBufferHeap(REG_CONTEXT_SIZE, 0));
+ if (!data_sp)
+ {
+ error.SetErrorStringWithFormat("failed to allocate DataBufferHeap instance of size %" PRIu64, REG_CONTEXT_SIZE);
+ return error;
+ }
+
+ uint8_t *dst = data_sp->GetBytes();
+ if (dst == nullptr)
+ {
+ error.SetErrorStringWithFormat("DataBufferHeap instance of size %" PRIu64 " returned a null pointer",
+ REG_CONTEXT_SIZE);
+ return error;
+ }
+
+ error = DoReadGPR(dst, sizeof(s390_regs));
+ dst += sizeof(s390_regs);
+ if (error.Fail())
+ return error;
+
+ error = DoReadFPR(dst, sizeof(s390_fp_regs));
+ dst += sizeof(s390_fp_regs);
+ if (error.Fail())
+ return error;
+
+ // Ignore errors if the regset is unsupported (happens on older kernels).
+ DoReadRegisterSet(NT_S390_SYSTEM_CALL, dst, 4);
+ dst += 4;
+
+ // To enable inferior function calls while the process is stopped in
+ // an interrupted system call, we need to clear the system call flag.
+ // It will be restored to its original value by WriteAllRegisterValues.
+ // Again we ignore error if the regset is unsupported.
+ uint32_t system_call = 0;
+ DoWriteRegisterSet(NT_S390_SYSTEM_CALL, &system_call, 4);
+
+ return error;
+}
+
+Error
+NativeRegisterContextLinux_s390x::WriteAllRegisterValues(const lldb::DataBufferSP &data_sp)
+{
+ Error error;
+
+ if (!data_sp)
+ {
+ error.SetErrorStringWithFormat("NativeRegisterContextLinux_s390x::%s invalid data_sp provided", __FUNCTION__);
+ return error;
+ }
+
+ if (data_sp->GetByteSize() != REG_CONTEXT_SIZE)
+ {
+ error.SetErrorStringWithFormat(
+ "NativeRegisterContextLinux_s390x::%s data_sp contained mismatched data size, expected %" PRIu64
+ ", actual %" PRIu64,
+ __FUNCTION__, REG_CONTEXT_SIZE, data_sp->GetByteSize());
+ return error;
+ }
+
+ uint8_t *src = data_sp->GetBytes();
+ if (src == nullptr)
+ {
+ error.SetErrorStringWithFormat(
+ "NativeRegisterContextLinux_s390x::%s DataBuffer::GetBytes() returned a null pointer", __FUNCTION__);
+ return error;
+ }
+
+ error = DoWriteGPR(src, sizeof(s390_regs));
+ src += sizeof(s390_regs);
+ if (error.Fail())
+ return error;
+
+ error = DoWriteFPR(src, sizeof(s390_fp_regs));
+ src += sizeof(s390_fp_regs);
+ if (error.Fail())
+ return error;
+
+ // Ignore errors if the regset is unsupported (happens on older kernels).
+ DoWriteRegisterSet(NT_S390_SYSTEM_CALL, src, 4);
+ src += 4;
+
+ return error;
+}
+
+Error
+NativeRegisterContextLinux_s390x::DoReadRegisterValue(uint32_t offset, const char *reg_name, uint32_t size,
+ RegisterValue &value)
+{
+ return Error("DoReadRegisterValue unsupported");
+}
+
+Error
+NativeRegisterContextLinux_s390x::DoWriteRegisterValue(uint32_t offset, const char *reg_name,
+ const RegisterValue &value)
+{
+ return Error("DoWriteRegisterValue unsupported");
+}
+
+Error
+NativeRegisterContextLinux_s390x::PeekUserArea(uint32_t offset, void *buf, size_t buf_size)
+{
+ ptrace_area parea;
+ parea.len = buf_size;
+ parea.process_addr = (addr_t)buf;
+ parea.kernel_addr = offset;
+
+ return NativeProcessLinux::PtraceWrapper(PTRACE_PEEKUSR_AREA, m_thread.GetID(), &parea);
+}
+
+Error
+NativeRegisterContextLinux_s390x::PokeUserArea(uint32_t offset, const void *buf, size_t buf_size)
+{
+ ptrace_area parea;
+ parea.len = buf_size;
+ parea.process_addr = (addr_t)buf;
+ parea.kernel_addr = offset;
+
+ return NativeProcessLinux::PtraceWrapper(PTRACE_POKEUSR_AREA, m_thread.GetID(), &parea);
+}
+
+Error
+NativeRegisterContextLinux_s390x::DoReadGPR(void *buf, size_t buf_size)
+{
+ assert(buf_size == sizeof(s390_regs));
+ return PeekUserArea(offsetof(user_regs_struct, psw), buf, buf_size);
+}
+
+Error
+NativeRegisterContextLinux_s390x::DoWriteGPR(void *buf, size_t buf_size)
+{
+ assert(buf_size == sizeof(s390_regs));
+ return PokeUserArea(offsetof(user_regs_struct, psw), buf, buf_size);
+}
+
+Error
+NativeRegisterContextLinux_s390x::DoReadFPR(void *buf, size_t buf_size)
+{
+ assert(buf_size == sizeof(s390_fp_regs));
+ return PeekUserArea(offsetof(user_regs_struct, fp_regs), buf, buf_size);
+}
+
+Error
+NativeRegisterContextLinux_s390x::DoWriteFPR(void *buf, size_t buf_size)
+{
+ assert(buf_size == sizeof(s390_fp_regs));
+ return PokeUserArea(offsetof(user_regs_struct, fp_regs), buf, buf_size);
+}
+
+Error
+NativeRegisterContextLinux_s390x::DoReadRegisterSet(uint32_t regset, void *buf, size_t buf_size)
+{
+ struct iovec iov;
+ iov.iov_base = buf;
+ iov.iov_len = buf_size;
+
+ return ReadRegisterSet(&iov, buf_size, regset);
+}
+
+Error
+NativeRegisterContextLinux_s390x::DoWriteRegisterSet(uint32_t regset, const void *buf, size_t buf_size)
+{
+ struct iovec iov;
+ iov.iov_base = const_cast<void *>(buf);
+ iov.iov_len = buf_size;
+
+ return WriteRegisterSet(&iov, buf_size, regset);
+}
+
+Error
+NativeRegisterContextLinux_s390x::IsWatchpointHit(uint32_t wp_index, bool &is_hit)
+{
+ per_lowcore_bits per_lowcore;
+
+ if (wp_index >= NumSupportedHardwareWatchpoints())
+ return Error("Watchpoint index out of range");
+
+ if (m_watchpoint_addr == LLDB_INVALID_ADDRESS)
+ {
+ is_hit = false;
+ return Error();
+ }
+
+ Error error = PeekUserArea(offsetof(user_regs_struct, per_info.lowcore), &per_lowcore, sizeof(per_lowcore));
+ if (error.Fail())
+ {
+ is_hit = false;
+ return error;
+ }
+
+ is_hit = (per_lowcore.perc_storage_alteration == 1 && per_lowcore.perc_store_real_address == 0);
+
+ if (is_hit)
+ {
+ // Do not report this watchpoint again.
+ memset(&per_lowcore, 0, sizeof(per_lowcore));
+ PokeUserArea(offsetof(user_regs_struct, per_info.lowcore), &per_lowcore, sizeof(per_lowcore));
+ }
+
+ return Error();
+}
+
+Error
+NativeRegisterContextLinux_s390x::GetWatchpointHitIndex(uint32_t &wp_index, lldb::addr_t trap_addr)
+{
+ uint32_t num_hw_wps = NumSupportedHardwareWatchpoints();
+ for (wp_index = 0; wp_index < num_hw_wps; ++wp_index)
+ {
+ bool is_hit;
+ Error error = IsWatchpointHit(wp_index, is_hit);
+ if (error.Fail())
+ {
+ wp_index = LLDB_INVALID_INDEX32;
+ return error;
+ }
+ else if (is_hit)
+ {
+ return error;
+ }
+ }
+ wp_index = LLDB_INVALID_INDEX32;
+ return Error();
+}
+
+Error
+NativeRegisterContextLinux_s390x::IsWatchpointVacant(uint32_t wp_index, bool &is_vacant)
+{
+ if (wp_index >= NumSupportedHardwareWatchpoints())
+ return Error("Watchpoint index out of range");
+
+ is_vacant = m_watchpoint_addr == LLDB_INVALID_ADDRESS;
+
+ return Error();
+}
+
+bool
+NativeRegisterContextLinux_s390x::ClearHardwareWatchpoint(uint32_t wp_index)
+{
+ per_struct per_info;
+
+ if (wp_index >= NumSupportedHardwareWatchpoints())
+ return false;
+
+ Error error = PeekUserArea(offsetof(user_regs_struct, per_info), &per_info, sizeof(per_info));
+ if (error.Fail())
+ return false;
+
+ per_info.control_regs.bits.em_storage_alteration = 0;
+ per_info.control_regs.bits.storage_alt_space_ctl = 0;
+ per_info.starting_addr = 0;
+ per_info.ending_addr = 0;
+
+ error = PokeUserArea(offsetof(user_regs_struct, per_info), &per_info, sizeof(per_info));
+ if (error.Fail())
+ return false;
+
+ m_watchpoint_addr = LLDB_INVALID_ADDRESS;
+ return true;
+}
+
+Error
+NativeRegisterContextLinux_s390x::ClearAllHardwareWatchpoints()
+{
+ if (ClearHardwareWatchpoint(0))
+ return Error();
+ return Error("Clearing all hardware watchpoints failed.");
+}
+
+uint32_t
+NativeRegisterContextLinux_s390x::SetHardwareWatchpoint(lldb::addr_t addr, size_t size, uint32_t watch_flags)
+{
+ per_struct per_info;
+
+ if (watch_flags != 0x1)
+ return LLDB_INVALID_INDEX32;
+
+ if (m_watchpoint_addr != LLDB_INVALID_ADDRESS)
+ return LLDB_INVALID_INDEX32;
+
+ Error error = PeekUserArea(offsetof(user_regs_struct, per_info), &per_info, sizeof(per_info));
+ if (error.Fail())
+ return LLDB_INVALID_INDEX32;
+
+ per_info.control_regs.bits.em_storage_alteration = 1;
+ per_info.control_regs.bits.storage_alt_space_ctl = 1;
+ per_info.starting_addr = addr;
+ per_info.ending_addr = addr + size - 1;
+
+ error = PokeUserArea(offsetof(user_regs_struct, per_info), &per_info, sizeof(per_info));
+ if (error.Fail())
+ return LLDB_INVALID_INDEX32;
+
+ m_watchpoint_addr = addr;
+ return 0;
+}
+
+lldb::addr_t
+NativeRegisterContextLinux_s390x::GetWatchpointAddress(uint32_t wp_index)
+{
+ if (wp_index >= NumSupportedHardwareWatchpoints())
+ return LLDB_INVALID_ADDRESS;
+ return m_watchpoint_addr;
+}
+
+uint32_t
+NativeRegisterContextLinux_s390x::NumSupportedHardwareWatchpoints()
+{
+ return 1;
+}
+
+#endif // defined(__s390x__) && defined(__linux__)
diff --git a/lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_s390x.h b/lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_s390x.h
new file mode 100644
index 00000000000..8cd4ab7f124
--- /dev/null
+++ b/lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_s390x.h
@@ -0,0 +1,141 @@
+//===-- NativeRegisterContextLinux_s390x.h ----------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#if defined(__s390x__) && defined(__linux__)
+
+#ifndef lldb_NativeRegisterContextLinux_s390x_h
+#define lldb_NativeRegisterContextLinux_s390x_h
+
+#include "Plugins/Process/Linux/NativeRegisterContextLinux.h"
+#include "Plugins/Process/Utility/RegisterContext_s390x.h"
+#include "Plugins/Process/Utility/lldb-s390x-register-enums.h"
+
+namespace lldb_private
+{
+namespace process_linux
+{
+
+class NativeProcessLinux;
+
+class NativeRegisterContextLinux_s390x : public NativeRegisterContextLinux
+{
+public:
+ NativeRegisterContextLinux_s390x(const ArchSpec &target_arch, NativeThreadProtocol &native_thread,
+ uint32_t concrete_frame_idx);
+
+ uint32_t
+ GetRegisterSetCount() const override;
+
+ const RegisterSet *
+ GetRegisterSet(uint32_t set_index) const override;
+
+ uint32_t
+ GetUserRegisterCount() const override;
+
+ Error
+ ReadRegister(const RegisterInfo *reg_info, RegisterValue &reg_value) override;
+
+ Error
+ WriteRegister(const RegisterInfo *reg_info, const RegisterValue &reg_value) override;
+
+ Error
+ ReadAllRegisterValues(lldb::DataBufferSP &data_sp) override;
+
+ Error
+ WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override;
+
+ Error
+ IsWatchpointHit(uint32_t wp_index, bool &is_hit) override;
+
+ Error
+ GetWatchpointHitIndex(uint32_t &wp_index, lldb::addr_t trap_addr) override;
+
+ Error
+ IsWatchpointVacant(uint32_t wp_index, bool &is_vacant) override;
+
+ bool
+ ClearHardwareWatchpoint(uint32_t wp_index) override;
+
+ Error
+ ClearAllHardwareWatchpoints() override;
+
+ uint32_t
+ SetHardwareWatchpoint(lldb::addr_t addr, size_t size, uint32_t watch_flags) override;
+
+ lldb::addr_t
+ GetWatchpointAddress(uint32_t wp_index) override;
+
+ uint32_t
+ NumSupportedHardwareWatchpoints() override;
+
+protected:
+ Error
+ DoReadRegisterValue(uint32_t offset, const char *reg_name, uint32_t size, RegisterValue &value) override;
+
+ Error
+ DoWriteRegisterValue(uint32_t offset, const char *reg_name, const RegisterValue &value) override;
+
+ Error
+ DoReadGPR(void *buf, size_t buf_size) override;
+
+ Error
+ DoWriteGPR(void *buf, size_t buf_size) override;
+
+ Error
+ DoReadFPR(void *buf, size_t buf_size) override;
+
+ Error
+ DoWriteFPR(void *buf, size_t buf_size) override;
+
+private:
+ // Info about register ranges.
+ struct RegInfo
+ {
+ uint32_t num_registers;
+ uint32_t num_gpr_registers;
+ uint32_t num_fpr_registers;
+
+ uint32_t last_gpr;
+ uint32_t first_fpr;
+ uint32_t last_fpr;
+ };
+
+ // Private member variables.
+ RegInfo m_reg_info;
+ lldb::addr_t m_watchpoint_addr;
+
+ // Private member methods.
+ bool
+ IsRegisterSetAvailable(uint32_t set_index) const;
+
+ bool
+ IsGPR(uint32_t reg_index) const;
+
+ bool
+ IsFPR(uint32_t reg_index) const;
+
+ Error
+ PeekUserArea(uint32_t offset, void *buf, size_t buf_size);
+
+ Error
+ PokeUserArea(uint32_t offset, const void *buf, size_t buf_size);
+
+ Error
+ DoReadRegisterSet(uint32_t regset, void *buf, size_t buf_size);
+
+ Error
+ DoWriteRegisterSet(uint32_t regset, const void *buf, size_t buf_size);
+};
+
+} // namespace process_linux
+} // namespace lldb_private
+
+#endif // #ifndef lldb_NativeRegisterContextLinux_s390x_h
+
+#endif // defined(__s390x__) && defined(__linux__)
diff --git a/lldb/source/Plugins/Process/Utility/CMakeLists.txt b/lldb/source/Plugins/Process/Utility/CMakeLists.txt
index 28e789ad18d..eb0c81fd797 100644
--- a/lldb/source/Plugins/Process/Utility/CMakeLists.txt
+++ b/lldb/source/Plugins/Process/Utility/CMakeLists.txt
@@ -28,6 +28,7 @@ add_lldb_library(lldbPluginProcessUtility
RegisterContextLinux_x86_64.cpp
RegisterContextLinux_mips64.cpp
RegisterContextLinux_mips.cpp
+ RegisterContextLinux_s390x.cpp
RegisterContextLLDB.cpp
RegisterContextMacOSXFrameBackchain.cpp
RegisterContextMach_arm.cpp
@@ -39,6 +40,7 @@ add_lldb_library(lldbPluginProcessUtility
RegisterContextPOSIX_arm64.cpp
RegisterContextPOSIX_mips64.cpp
RegisterContextPOSIX_powerpc.cpp
+ RegisterContextPOSIX_s390x.cpp
RegisterContextPOSIX_x86.cpp
RegisterContextThreadMemory.cpp
StopInfoMachException.cpp
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextLinux_s390x.cpp b/lldb/source/Plugins/Process/Utility/RegisterContextLinux_s390x.cpp
new file mode 100644
index 00000000000..9aef1e9830e
--- /dev/null
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextLinux_s390x.cpp
@@ -0,0 +1,98 @@
+//===-- RegisterContextLinux_s390x.cpp --------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "RegisterContextPOSIX_s390x.h"
+#include "RegisterContextLinux_s390x.h"
+
+using namespace lldb_private;
+using namespace lldb;
+
+//---------------------------------------------------------------------------
+// Include RegisterInfos_s390x to declare our g_register_infos_s390x structure.
+//---------------------------------------------------------------------------
+#define DECLARE_REGISTER_INFOS_S390X_STRUCT
+#include "RegisterInfos_s390x.h"
+#undef DECLARE_REGISTER_INFOS_S390X_STRUCT
+
+static const RegisterInfo *
+GetRegisterInfoPtr(const ArchSpec &target_arch)
+{
+ switch (target_arch.GetMachine())
+ {
+ case llvm::Triple::systemz:
+ return g_register_infos_s390x;
+ default:
+ assert(false && "Unhandled target architecture.");
+ return nullptr;
+ }
+}
+
+static uint32_t
+GetRegisterInfoCount(const ArchSpec &target_arch)
+{
+ switch (target_arch.GetMachine())
+ {
+ case llvm::Triple::systemz:
+ return k_num_registers_s390x;
+ default:
+ assert(false && "Unhandled target architecture.");
+ return 0;
+ }
+}
+
+static uint32_t
+GetUserRegisterInfoCount(const ArchSpec &target_arch)
+{
+ switch (target_arch.GetMachine())
+ {
+ case llvm::Triple::systemz:
+ return k_num_user_registers_s390x + k_num_linux_registers_s390x;
+ default:
+ assert(false && "Unhandled target architecture.");
+ return 0;
+ }
+}
+
+RegisterContextLinux_s390x::RegisterContextLinux_s390x(const ArchSpec &target_arch)
+ : lldb_private::RegisterInfoInterface(target_arch),
+ m_register_info_p(GetRegisterInfoPtr(target_arch)),
+ m_register_info_count(GetRegisterInfoCount(target_arch)),
+ m_user_register_count(GetUserRegisterInfoCount(target_arch))
+{
+}
+
+const std::vector<lldb_private::RegisterInfo> *
+RegisterContextLinux_s390x::GetDynamicRegisterInfoP() const
+{
+ return &d_register_infos;
+}
+
+const RegisterInfo *
+RegisterContextLinux_s390x::GetRegisterInfo() const
+{
+ return m_register_info_p;
+}
+
+uint32_t
+RegisterContextLinux_s390x::GetRegisterCount() const
+{
+ return m_register_info_count;
+}
+
+uint32_t
+RegisterContextLinux_s390x::GetUserRegisterCount() const
+{
+ return m_user_register_count;
+}
+
+size_t
+RegisterContextLinux_s390x::GetGPRSize() const
+{
+ return 0;
+}
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextLinux_s390x.h b/lldb/source/Plugins/Process/Utility/RegisterContextLinux_s390x.h
new file mode 100644
index 00000000000..bdc7f34f62e
--- /dev/null
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextLinux_s390x.h
@@ -0,0 +1,42 @@
+//===-- RegisterContextLinux_s390x.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_RegisterContextLinux_s390x_h_
+#define liblldb_RegisterContextLinux_s390x_h_
+
+#include "RegisterInfoInterface.h"
+
+class RegisterContextLinux_s390x : public lldb_private::RegisterInfoInterface
+{
+public:
+ RegisterContextLinux_s390x(const lldb_private::ArchSpec &target_arch);
+
+ size_t
+ GetGPRSize() const override;
+
+ const lldb_private::RegisterInfo *
+ GetRegisterInfo() const override;
+
+ uint32_t
+ GetRegisterCount() const override;
+
+ uint32_t
+ GetUserRegisterCount() const override;
+
+ const std::vector<lldb_private::RegisterInfo> *
+ GetDynamicRegisterInfoP() const override;
+
+private:
+ const lldb_private::RegisterInfo *m_register_info_p;
+ uint32_t m_register_info_count;
+ uint32_t m_user_register_count;
+ std::vector<lldb_private::RegisterInfo> d_register_infos;
+};
+
+#endif
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_s390x.cpp b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_s390x.cpp
new file mode 100644
index 00000000000..960be50c7be
--- /dev/null
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_s390x.cpp
@@ -0,0 +1,265 @@
+//===-- RegisterContextPOSIX_x86.cpp ----------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include <cstring>
+#include <errno.h>
+#include <stdint.h>
+
+#include "lldb/Core/DataBufferHeap.h"
+#include "lldb/Core/DataExtractor.h"
+#include "lldb/Core/RegisterValue.h"
+#include "lldb/Core/Scalar.h"
+#include "lldb/Host/Endian.h"
+#include "lldb/Target/Process.h"
+#include "lldb/Target/Target.h"
+#include "lldb/Target/Thread.h"
+#include "llvm/Support/Compiler.h"
+
+#include "RegisterContext_s390x.h"
+#include "RegisterContextPOSIX_s390x.h"
+
+using namespace lldb_private;
+using namespace lldb;
+
+// s390x 64-bit general purpose registers.
+static const uint32_t g_gpr_regnums_s390x[] =
+{
+ lldb_r0_s390x,
+ lldb_r1_s390x,
+ lldb_r2_s390x,
+ lldb_r3_s390x,
+ lldb_r4_s390x,
+ lldb_r5_s390x,
+ lldb_r6_s390x,
+ lldb_r7_s390x,
+ lldb_r8_s390x,
+ lldb_r9_s390x,
+ lldb_r10_s390x,
+ lldb_r11_s390x,
+ lldb_r12_s390x,
+ lldb_r13_s390x,
+ lldb_r14_s390x,
+ lldb_r15_s390x,
+ lldb_acr0_s390x,
+ lldb_acr1_s390x,
+ lldb_acr2_s390x,
+ lldb_acr3_s390x,
+ lldb_acr4_s390x,
+ lldb_acr5_s390x,
+ lldb_acr6_s390x,
+ lldb_acr7_s390x,
+ lldb_acr8_s390x,
+ lldb_acr9_s390x,
+ lldb_acr10_s390x,
+ lldb_acr11_s390x,
+ lldb_acr12_s390x,
+ lldb_acr13_s390x,
+ lldb_acr14_s390x,
+ lldb_acr15_s390x,
+ lldb_pswm_s390x,
+ lldb_pswa_s390x,
+ LLDB_INVALID_REGNUM // register sets need to end with this flag
+};
+static_assert((sizeof(g_gpr_regnums_s390x) / sizeof(g_gpr_regnums_s390x[0])) - 1 == k_num_gpr_registers_s390x,
+ "g_gpr_regnums_s390x has wrong number of register infos");
+
+// s390x 64-bit floating point registers.
+static const uint32_t g_fpu_regnums_s390x[] =
+{
+ lldb_f0_s390x,
+ lldb_f1_s390x,
+ lldb_f2_s390x,
+ lldb_f3_s390x,
+ lldb_f4_s390x,
+ lldb_f5_s390x,
+ lldb_f6_s390x,
+ lldb_f7_s390x,
+ lldb_f8_s390x,
+ lldb_f9_s390x,
+ lldb_f10_s390x,
+ lldb_f11_s390x,
+ lldb_f12_s390x,
+ lldb_f13_s390x,
+ lldb_f14_s390x,
+ lldb_f15_s390x,
+ lldb_fpc_s390x,
+ LLDB_INVALID_REGNUM // register sets need to end with this flag
+};
+static_assert((sizeof(g_fpu_regnums_s390x) / sizeof(g_fpu_regnums_s390x[0])) - 1 == k_num_fpr_registers_s390x,
+ "g_fpu_regnums_s390x has wrong number of register infos");
+
+// Number of register sets provided by this context.
+enum
+{
+ k_num_register_sets = 2
+};
+
+// Register sets for s390x 64-bit.
+static const RegisterSet g_reg_sets_s390x[k_num_register_sets] =
+{
+ { "General Purpose Registers", "gpr", k_num_gpr_registers_s390x, g_gpr_regnums_s390x },
+ { "Floating Point Registers", "fpr", k_num_fpr_registers_s390x, g_fpu_regnums_s390x },
+};
+
+bool
+RegisterContextPOSIX_s390x::IsGPR(unsigned reg)
+{
+ return reg <= m_reg_info.last_gpr; // GPRs come first.
+}
+
+bool
+RegisterContextPOSIX_s390x::IsFPR(unsigned reg)
+{
+ return (m_reg_info.first_fpr <= reg && reg <= m_reg_info.last_fpr);
+}
+
+RegisterContextPOSIX_s390x::RegisterContextPOSIX_s390x(Thread &thread, uint32_t concrete_frame_idx,
+ RegisterInfoInterface *register_info)
+ : RegisterContext(thread, concrete_frame_idx)
+{
+ m_register_info_ap.reset(register_info);
+
+ switch (register_info->m_target_arch.GetMachine())
+ {
+ case llvm::Triple::systemz:
+ m_reg_info.num_registers = k_num_registers_s390x;
+ m_reg_info.num_gpr_registers = k_num_gpr_registers_s390x;
+ m_reg_info.num_fpr_registers = k_num_fpr_registers_s390x;
+ m_reg_info.last_gpr = k_last_gpr_s390x;
+ m_reg_info.first_fpr = k_first_fpr_s390x;
+ m_reg_info.last_fpr = k_last_fpr_s390x;
+ break;
+ default:
+ assert(false && "Unhandled target architecture.");
+ break;
+ }
+}
+
+RegisterContextPOSIX_s390x::~RegisterContextPOSIX_s390x()
+{
+}
+
+void
+RegisterContextPOSIX_s390x::Invalidate()
+{
+}
+
+void
+RegisterContextPOSIX_s390x::InvalidateAllRegisters()
+{
+}
+
+const RegisterInfo *
+RegisterContextPOSIX_s390x::GetRegisterInfo()
+{
+ return m_register_info_ap->GetRegisterInfo();
+}
+
+const RegisterInfo *
+RegisterContextPOSIX_s390x::GetRegisterInfoAtIndex(size_t reg)
+{
+ if (reg < m_reg_info.num_registers)
+ return &GetRegisterInfo()[reg];
+ else
+ return NULL;
+}
+
+size_t
+RegisterContextPOSIX_s390x::GetRegisterCount()
+{
+ return m_reg_info.num_registers;
+}
+
+unsigned
+RegisterContextPOSIX_s390x::GetRegisterOffset(unsigned reg)
+{
+ assert(reg < m_reg_info.num_registers && "Invalid register number.");
+ return GetRegisterInfo()[reg].byte_offset;
+}
+
+unsigned
+RegisterContextPOSIX_s390x::GetRegisterSize(unsigned reg)
+{
+ assert(reg < m_reg_info.num_registers && "Invalid register number.");
+ return GetRegisterInfo()[reg].byte_size;
+}
+
+const char *
+RegisterContextPOSIX_s390x::GetRegisterName(unsigned reg)
+{
+ assert(reg < m_reg_info.num_registers && "Invalid register offset.");
+ return GetRegisterInfo()[reg].name;
+}
+
+bool
+RegisterContextPOSIX_s390x::IsRegisterSetAvailable(size_t set_index)
+{
+ return set_index < k_num_register_sets;
+}
+
+size_t
+RegisterContextPOSIX_s390x::GetRegisterSetCount()
+{
+ size_t sets = 0;
+ for (size_t set = 0; set < k_num_register_sets; ++set)
+ {
+ if (IsRegisterSetAvailable(set))
+ ++sets;
+ }
+
+ return sets;
+}
+
+const RegisterSet *
+RegisterContextPOSIX_s390x::GetRegisterSet(size_t set)
+{
+ if (IsRegisterSetAvailable(set))
+ {
+ switch (m_register_info_ap->m_target_arch.GetMachine())
+ {
+ case llvm::Triple::systemz:
+ return &g_reg_sets_s390x[set];
+ default:
+ assert(false && "Unhandled target architecture.");
+ return NULL;
+ }
+ }
+ return NULL;
+}
+
+lldb::ByteOrder
+RegisterContextPOSIX_s390x::GetByteOrder()
+{
+ // Get the target process whose privileged thread was used for the register read.
+ lldb::ByteOrder byte_order = eByteOrderInvalid;
+ Process *process = CalculateProcess().get();
+
+ if (process)
+ byte_order = process->GetByteOrder();
+ return byte_order;
+}
+
+// Used when parsing DWARF and EH frame information and any other
+// object file sections that contain register numbers in them.
+uint32_t
+RegisterContextPOSIX_s390x::ConvertRegisterKindToRegisterNumber(lldb::RegisterKind kind, uint32_t num)
+{
+ const uint32_t num_regs = GetRegisterCount();
+
+ assert(kind < kNumRegisterKinds);
+ for (uint32_t reg_idx = 0; reg_idx < num_regs; ++reg_idx)
+ {
+ const RegisterInfo *reg_info = GetRegisterInfoAtIndex(reg_idx);
+
+ if (reg_info->kinds[kind] == num)
+ return reg_idx;
+ }
+
+ return LLDB_INVALID_REGNUM;
+}
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_s390x.h b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_s390x.h
new file mode 100644
index 00000000000..4904b2857c4
--- /dev/null
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_s390x.h
@@ -0,0 +1,103 @@
+//===-- RegisterContextPOSIX_s390x.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_RegisterContextPOSIX_s390x_h_
+#define liblldb_RegisterContextPOSIX_s390x_h_
+
+// C Includes
+// C++ Includes
+// Other libraries and framework includes
+// Project includes
+#include "lldb/Core/Log.h"
+#include "lldb/Target/RegisterContext.h"
+#include "RegisterInfoInterface.h"
+#include "RegisterContext_s390x.h"
+#include "lldb-s390x-register-enums.h"
+
+class ProcessMonitor;
+
+class RegisterContextPOSIX_s390x : public lldb_private::RegisterContext
+{
+public:
+ RegisterContextPOSIX_s390x(lldb_private::Thread &thread, uint32_t concrete_frame_idx,
+ lldb_private::RegisterInfoInterface *register_info);
+
+ ~RegisterContextPOSIX_s390x() override;
+
+ void
+ Invalidate();
+
+ void
+ InvalidateAllRegisters() override;
+
+ size_t
+ GetRegisterCount() override;
+
+ virtual unsigned
+ GetRegisterSize(unsigned reg);
+
+ virtual unsigned
+ GetRegisterOffset(unsigned reg);
+
+ const lldb_private::RegisterInfo *
+ GetRegisterInfoAtIndex(size_t reg) override;
+
+ size_t
+ GetRegisterSetCount() override;
+
+ const lldb_private::RegisterSet *
+ GetRegisterSet(size_t set) override;
+
+ const char *
+ GetRegisterName(unsigned reg);
+
+ uint32_t
+ ConvertRegisterKindToRegisterNumber(lldb::RegisterKind kind, uint32_t num) override;
+
+protected:
+ struct RegInfo
+ {
+ uint32_t num_registers;
+ uint32_t num_gpr_registers;
+ uint32_t num_fpr_registers;
+
+ uint32_t last_gpr;
+ uint32_t first_fpr;
+ uint32_t last_fpr;
+ };
+
+ RegInfo m_reg_info;
+ std::unique_ptr<lldb_private::RegisterInfoInterface> m_register_info_ap;
+
+ virtual bool
+ IsRegisterSetAvailable(size_t set_index);
+
+ virtual const lldb_private::RegisterInfo *
+ GetRegisterInfo();
+
+ bool
+ IsGPR(unsigned reg);
+
+ bool
+ IsFPR(unsigned reg);
+
+ lldb::ByteOrder
+ GetByteOrder();
+
+ virtual bool
+ ReadGPR() = 0;
+ virtual bool
+ ReadFPR() = 0;
+ virtual bool
+ WriteGPR() = 0;
+ virtual bool
+ WriteFPR() = 0;
+};
+
+#endif // liblldb_RegisterContextPOSIX_s390x_h_
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContext_s390x.h b/lldb/source/Plugins/Process/Utility/RegisterContext_s390x.h
new file mode 100644
index 00000000000..9777c774440
--- /dev/null
+++ b/lldb/source/Plugins/Process/Utility/RegisterContext_s390x.h
@@ -0,0 +1,93 @@
+//===-- RegisterContext_s390x.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_RegisterContext_s390x_h_
+#define liblldb_RegisterContext_s390x_h_
+
+//---------------------------------------------------------------------------
+// SystemZ ehframe, dwarf regnums
+//---------------------------------------------------------------------------
+
+// EHFrame and DWARF Register numbers (eRegisterKindEHFrame & eRegisterKindDWARF)
+enum
+{
+ // General Purpose Registers
+ dwarf_r0_s390x = 0,
+ dwarf_r1_s390x,
+ dwarf_r2_s390x,
+ dwarf_r3_s390x,
+ dwarf_r4_s390x,
+ dwarf_r5_s390x,
+ dwarf_r6_s390x,
+ dwarf_r7_s390x,
+ dwarf_r8_s390x,
+ dwarf_r9_s390x,
+ dwarf_r10_s390x,
+ dwarf_r11_s390x,
+ dwarf_r12_s390x,
+ dwarf_r13_s390x,
+ dwarf_r14_s390x,
+ dwarf_r15_s390x,
+ // Floating Point Registers / Vector Registers 0-15
+ dwarf_f0_s390x = 16,
+ dwarf_f2_s390x,
+ dwarf_f4_s390x,
+ dwarf_f6_s390x,
+ dwarf_f1_s390x,
+ dwarf_f3_s390x,
+ dwarf_f5_s390x,
+ dwarf_f7_s390x,
+ dwarf_f8_s390x,
+ dwarf_f10_s390x,
+ dwarf_f12_s390x,
+ dwarf_f14_s390x,
+ dwarf_f9_s390x,
+ dwarf_f11_s390x,
+ dwarf_f13_s390x,
+ dwarf_f15_s390x,
+ // Access Registers
+ dwarf_acr0_s390x = 48,
+ dwarf_acr1_s390x,
+ dwarf_acr2_s390x,
+ dwarf_acr3_s390x,
+ dwarf_acr4_s390x,
+ dwarf_acr5_s390x,
+ dwarf_acr6_s390x,
+ dwarf_acr7_s390x,
+ dwarf_acr8_s390x,
+ dwarf_acr9_s390x,
+ dwarf_acr10_s390x,
+ dwarf_acr11_s390x,
+ dwarf_acr12_s390x,
+ dwarf_acr13_s390x,
+ dwarf_acr14_s390x,
+ dwarf_acr15_s390x,
+ // Program Status Word
+ dwarf_pswm_s390x = 64,
+ dwarf_pswa_s390x,
+ // Vector Registers 16-31
+ dwarf_v16_s390x = 68,
+ dwarf_v18_s390x,
+ dwarf_v20_s390x,
+ dwarf_v22_s390x,
+ dwarf_v17_s390x,
+ dwarf_v19_s390x,
+ dwarf_v21_s390x,
+ dwarf_v23_s390x,
+ dwarf_v24_s390x,
+ dwarf_v26_s390x,
+ dwarf_v28_s390x,
+ dwarf_v30_s390x,
+ dwarf_v25_s390x,
+ dwarf_v27_s390x,
+ dwarf_v29_s390x,
+ dwarf_v31_s390x,
+};
+
+#endif
diff --git a/lldb/source/Plugins/Process/Utility/RegisterInfos_s390x.h b/lldb/source/Plugins/Process/Utility/RegisterInfos_s390x.h
new file mode 100644
index 00000000000..43152640297
--- /dev/null
+++ b/lldb/source/Plugins/Process/Utility/RegisterInfos_s390x.h
@@ -0,0 +1,132 @@
+//===-- RegisterInfos_s390x.h -----------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// C Includes
+#include <stddef.h>
+
+// C++ Includes
+// Other libraries and framework includes
+#include "llvm/Support/Compiler.h"
+
+// Project includes
+
+#ifdef DECLARE_REGISTER_INFOS_S390X_STRUCT
+
+// Computes the offset of the given GPR in the user data area.
+#define GPR_OFFSET(num) (16 + 8 * num)
+// Computes the offset of the given ACR in the user data area.
+#define ACR_OFFSET(num) (16 + 8 * 16 + 4 * num)
+// Computes the offset of the given FPR in the extended data area.
+#define FPR_OFFSET(num) (8 + 8 * num)
+
+// RegisterKind: EHFrame, DWARF, Generic, Process Plugin, LLDB
+
+#define DEFINE_GPR(name, size, offset, alt, generic) \
+ { \
+ #name, alt, size, offset, eEncodingUint, eFormatHex, \
+ { dwarf_##name##_s390x, dwarf_##name##_s390x, generic, LLDB_INVALID_REGNUM, lldb_##name##_s390x }, \
+ NULL, NULL, \
+ }
+
+#define DEFINE_GPR_NODWARF(name, size, offset, alt, generic) \
+ { \
+ #name, alt, size, offset, eEncodingUint, eFormatHex, \
+ { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, generic, LLDB_INVALID_REGNUM, lldb_##name##_s390x }, \
+ NULL, NULL, \
+ }
+
+#define DEFINE_FPR(name, size, offset) \
+ { \
+ #name, NULL, size, offset, eEncodingUint, eFormatHex, \
+ { dwarf_##name##_s390x, dwarf_##name##_s390x, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, lldb_##name##_s390x }, \
+ NULL, NULL, \
+ }
+
+#define DEFINE_FPR_NODWARF(name, size, offset) \
+ { \
+ #name, NULL, size, offset, eEncodingUint, eFormatHex, \
+ { LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, lldb_##name##_s390x }, \
+ NULL, NULL, \
+ }
+
+static RegisterInfo g_register_infos_s390x[] =
+{
+ // General purpose registers.
+ DEFINE_GPR(r0, 8, GPR_OFFSET(0), nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r1, 8, GPR_OFFSET(1), nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r2, 8, GPR_OFFSET(2), "arg1", LLDB_REGNUM_GENERIC_ARG1),
+ DEFINE_GPR(r3, 8, GPR_OFFSET(3), "arg2", LLDB_REGNUM_GENERIC_ARG2),
+ DEFINE_GPR(r4, 8, GPR_OFFSET(4), "arg3", LLDB_REGNUM_GENERIC_ARG3),
+ DEFINE_GPR(r5, 8, GPR_OFFSET(5), "arg4", LLDB_REGNUM_GENERIC_ARG4),
+ DEFINE_GPR(r6, 8, GPR_OFFSET(6), "arg5", LLDB_REGNUM_GENERIC_ARG5),
+ DEFINE_GPR(r7, 8, GPR_OFFSET(7), nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r8, 8, GPR_OFFSET(8), nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r9, 8, GPR_OFFSET(9), nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r10, 8, GPR_OFFSET(10), nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r11, 8, GPR_OFFSET(11), "fp", LLDB_REGNUM_GENERIC_FP),
+ DEFINE_GPR(r12, 8, GPR_OFFSET(12), nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r13, 8, GPR_OFFSET(13), nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r14, 8, GPR_OFFSET(14), nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR(r15, 8, GPR_OFFSET(15), "sp", LLDB_REGNUM_GENERIC_SP),
+ DEFINE_GPR(acr0, 4, ACR_OFFSET(0), nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR(acr1, 4, ACR_OFFSET(1), nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR(acr2, 4, ACR_OFFSET(2), nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR(acr3, 4, ACR_OFFSET(3), nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR(acr4, 4, ACR_OFFSET(4), nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR(acr5, 4, ACR_OFFSET(5), nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR(acr6, 4, ACR_OFFSET(6), nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR(acr7, 4, ACR_OFFSET(7), nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR(acr8, 4, ACR_OFFSET(8), nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR(acr9, 4, ACR_OFFSET(9), nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR(acr10, 4, ACR_OFFSET(10), nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR(acr11, 4, ACR_OFFSET(11), nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR(acr12, 4, ACR_OFFSET(12), nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR(acr13, 4, ACR_OFFSET(13), nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR(acr14, 4, ACR_OFFSET(14), nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR(acr15, 4, ACR_OFFSET(15), nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR(pswm, 8, 0, "flags", LLDB_REGNUM_GENERIC_FLAGS),
+ DEFINE_GPR(pswa, 8, 8, "pc", LLDB_REGNUM_GENERIC_PC),
+
+ // Floating point registers.
+ DEFINE_FPR(f0, 8, FPR_OFFSET(0)),
+ DEFINE_FPR(f1, 8, FPR_OFFSET(1)),
+ DEFINE_FPR(f2, 8, FPR_OFFSET(2)),
+ DEFINE_FPR(f3, 8, FPR_OFFSET(3)),
+ DEFINE_FPR(f4, 8, FPR_OFFSET(4)),
+ DEFINE_FPR(f5, 8, FPR_OFFSET(5)),
+ DEFINE_FPR(f6, 8, FPR_OFFSET(6)),
+ DEFINE_FPR(f7, 8, FPR_OFFSET(7)),
+ DEFINE_FPR(f8, 8, FPR_OFFSET(8)),
+ DEFINE_FPR(f9, 8, FPR_OFFSET(9)),
+ DEFINE_FPR(f10, 8, FPR_OFFSET(10)),
+ DEFINE_FPR(f11, 8, FPR_OFFSET(11)),
+ DEFINE_FPR(f12, 8, FPR_OFFSET(12)),
+ DEFINE_FPR(f13, 8, FPR_OFFSET(13)),
+ DEFINE_FPR(f14, 8, FPR_OFFSET(14)),
+ DEFINE_FPR(f15, 8, FPR_OFFSET(15)),
+ DEFINE_FPR_NODWARF(fpc, 4, 0),
+
+ // Linux operating-specific info.
+ DEFINE_GPR_NODWARF(orig_r2, 8, 16 + 16 * 8 + 16 * 4, nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR_NODWARF(last_break, 8, 0, nullptr, LLDB_INVALID_REGNUM),
+ DEFINE_GPR_NODWARF(system_call, 4, 0, nullptr, LLDB_INVALID_REGNUM),
+};
+
+static_assert((sizeof(g_register_infos_s390x) / sizeof(g_register_infos_s390x[0])) == k_num_registers_s390x,
+ "g_register_infos_s390x has wrong number of register infos");
+
+#undef GPR_OFFSET
+#undef ACR_OFFSET
+#undef FPR_OFFSET
+#undef DEFINE_GPR
+#undef DEFINE_GPR_NODWARF
+#undef DEFINE_FPR
+#undef DEFINE_FPR_NODWARF
+
+#endif // DECLARE_REGISTER_INFOS_S390X_STRUCT
diff --git a/lldb/source/Plugins/Process/Utility/lldb-s390x-register-enums.h b/lldb/source/Plugins/Process/Utility/lldb-s390x-register-enums.h
new file mode 100644
index 00000000000..174daa25e21
--- /dev/null
+++ b/lldb/source/Plugins/Process/Utility/lldb-s390x-register-enums.h
@@ -0,0 +1,94 @@
+//===-- lldb-s390x-register-enums.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_s390x_register_enums_h
+#define lldb_s390x_register_enums_h
+
+namespace lldb_private
+{
+// LLDB register codes (e.g. RegisterKind == eRegisterKindLLDB)
+
+//---------------------------------------------------------------------------
+// Internal codes for all s390x registers.
+//---------------------------------------------------------------------------
+enum
+{
+ k_first_gpr_s390x,
+ lldb_r0_s390x = k_first_gpr_s390x,
+ lldb_r1_s390x,
+ lldb_r2_s390x,
+ lldb_r3_s390x,
+ lldb_r4_s390x,
+ lldb_r5_s390x,
+ lldb_r6_s390x,
+ lldb_r7_s390x,
+ lldb_r8_s390x,
+ lldb_r9_s390x,
+ lldb_r10_s390x,
+ lldb_r11_s390x,
+ lldb_r12_s390x,
+ lldb_r13_s390x,
+ lldb_r14_s390x,
+ lldb_r15_s390x,
+ lldb_acr0_s390x,
+ lldb_acr1_s390x,
+ lldb_acr2_s390x,
+ lldb_acr3_s390x,
+ lldb_acr4_s390x,
+ lldb_acr5_s390x,
+ lldb_acr6_s390x,
+ lldb_acr7_s390x,
+ lldb_acr8_s390x,
+ lldb_acr9_s390x,
+ lldb_acr10_s390x,
+ lldb_acr11_s390x,
+ lldb_acr12_s390x,
+ lldb_acr13_s390x,
+ lldb_acr14_s390x,
+ lldb_acr15_s390x,
+ lldb_pswm_s390x,
+ lldb_pswa_s390x,
+ k_last_gpr_s390x = lldb_pswa_s390x,
+
+ k_first_fpr_s390x,
+ lldb_f0_s390x = k_first_fpr_s390x,
+ lldb_f1_s390x,
+ lldb_f2_s390x,
+ lldb_f3_s390x,
+ lldb_f4_s390x,
+ lldb_f5_s390x,
+ lldb_f6_s390x,
+ lldb_f7_s390x,
+ lldb_f8_s390x,
+ lldb_f9_s390x,
+ lldb_f10_s390x,
+ lldb_f11_s390x,
+ lldb_f12_s390x,
+ lldb_f13_s390x,
+ lldb_f14_s390x,
+ lldb_f15_s390x,
+ lldb_fpc_s390x,
+ k_last_fpr_s390x = lldb_fpc_s390x,
+
+ // These are only available on Linux.
+ k_first_linux_s390x,
+ lldb_orig_r2_s390x = k_first_linux_s390x,
+ lldb_last_break_s390x,
+ lldb_system_call_s390x,
+ k_last_linux_s390x = lldb_system_call_s390x,
+
+ k_num_registers_s390x,
+ k_num_gpr_registers_s390x = k_last_gpr_s390x - k_first_gpr_s390x + 1,
+ k_num_fpr_registers_s390x = k_last_fpr_s390x - k_first_fpr_s390x + 1,
+ k_num_linux_registers_s390x = k_last_linux_s390x - k_first_linux_s390x + 1,
+ k_num_user_registers_s390x = k_num_gpr_registers_s390x + k_num_fpr_registers_s390x,
+};
+}
+
+#endif // #ifndef lldb_s390x_register_enums_h
diff --git a/lldb/source/Plugins/Process/elf-core/CMakeLists.txt b/lldb/source/Plugins/Process/elf-core/CMakeLists.txt
index 1a4dd7e9d33..b9f0b6cdfb7 100644
--- a/lldb/source/Plugins/Process/elf-core/CMakeLists.txt
+++ b/lldb/source/Plugins/Process/elf-core/CMakeLists.txt
@@ -7,5 +7,6 @@ add_lldb_library(lldbPluginProcessElfCore
RegisterContextPOSIXCore_arm64.cpp
RegisterContextPOSIXCore_mips64.cpp
RegisterContextPOSIXCore_powerpc.cpp
+ RegisterContextPOSIXCore_s390x.cpp
RegisterContextPOSIXCore_x86_64.cpp
)
diff --git a/lldb/source/Plugins/Process/elf-core/RegisterContextPOSIXCore_s390x.cpp b/lldb/source/Plugins/Process/elf-core/RegisterContextPOSIXCore_s390x.cpp
new file mode 100644
index 00000000000..d2f0a8dd367
--- /dev/null
+++ b/lldb/source/Plugins/Process/elf-core/RegisterContextPOSIXCore_s390x.cpp
@@ -0,0 +1,115 @@
+//===-- RegisterContextCorePOSIX_s390x.cpp ----------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Core/DataExtractor.h"
+#include "lldb/Core/RegisterValue.h"
+#include "lldb/Target/Thread.h"
+#include "RegisterContextPOSIXCore_s390x.h"
+
+using namespace lldb_private;
+
+RegisterContextCorePOSIX_s390x::RegisterContextCorePOSIX_s390x(Thread &thread, RegisterInfoInterface *register_info,
+ const DataExtractor &gpregset,
+ const DataExtractor &fpregset)
+ : RegisterContextPOSIX_s390x(thread, 0, register_info)
+{
+ m_gpr_buffer.reset(new DataBufferHeap(gpregset.GetDataStart(), gpregset.GetByteSize()));
+ m_gpr.SetData(m_gpr_buffer);
+ m_gpr.SetByteOrder(gpregset.GetByteOrder());
+
+ m_fpr_buffer.reset(new DataBufferHeap(fpregset.GetDataStart(), fpregset.GetByteSize()));
+ m_fpr.SetData(m_fpr_buffer);
+ m_fpr.SetByteOrder(fpregset.GetByteOrder());
+}
+
+RegisterContextCorePOSIX_s390x::~RegisterContextCorePOSIX_s390x()
+{
+}
+
+bool
+RegisterContextCorePOSIX_s390x::ReadGPR()
+{
+ return true;
+}
+
+bool
+RegisterContextCorePOSIX_s390x::ReadFPR()
+{
+ return true;
+}
+
+bool
+RegisterContextCorePOSIX_s390x::WriteGPR()
+{
+ assert(0);
+ return false;
+}
+
+bool
+RegisterContextCorePOSIX_s390x::WriteFPR()
+{
+ assert(0);
+ return false;
+}
+
+bool
+RegisterContextCorePOSIX_s390x::ReadRegister(const RegisterInfo *reg_info, RegisterValue &value)
+{
+ const uint32_t reg = reg_info->kinds[lldb::eRegisterKindLLDB];
+ if (reg == LLDB_INVALID_REGNUM)
+ return false;
+
+ if (IsGPR(reg))
+ {
+ lldb::offset_t offset = reg_info->byte_offset;
+ uint64_t v = m_gpr.GetMaxU64(&offset, reg_info->byte_size);
+ if (offset == reg_info->byte_offset + reg_info->byte_size)
+ {
+ value.SetUInt(v, reg_info->byte_size);
+ return true;
+ }
+ }
+
+ if (IsFPR(reg))
+ {
+ lldb::offset_t offset = reg_info->byte_offset;
+ uint64_t v = m_fpr.GetMaxU64(&offset, reg_info->byte_size);
+ if (offset == reg_info->byte_offset + reg_info->byte_size)
+ {
+ value.SetUInt(v, reg_info->byte_size);
+ return true;
+ }
+ }
+
+ return false;
+}
+
+bool
+RegisterContextCorePOSIX_s390x::ReadAllRegisterValues(lldb::DataBufferSP &data_sp)
+{
+ return false;
+}
+
+bool
+RegisterContextCorePOSIX_s390x::WriteRegister(const RegisterInfo *reg_info, const RegisterValue &value)
+{
+ return false;
+}
+
+bool
+RegisterContextCorePOSIX_s390x::WriteAllRegisterValues(const lldb::DataBufferSP &data_sp)
+{
+ return false;
+}
+
+bool
+RegisterContextCorePOSIX_s390x::HardwareSingleStep(bool enable)
+{
+ return false;
+}
diff --git a/lldb/source/Plugins/Process/elf-core/RegisterContextPOSIXCore_s390x.h b/lldb/source/Plugins/Process/elf-core/RegisterContextPOSIXCore_s390x.h
new file mode 100644
index 00000000000..8bb6fe1771e
--- /dev/null
+++ b/lldb/source/Plugins/Process/elf-core/RegisterContextPOSIXCore_s390x.h
@@ -0,0 +1,65 @@
+//===-- RegisterContextCorePOSIX_s390x.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_RegisterContextCorePOSIX_s390x_h_
+#define liblldb_RegisterContextCorePOSIX_s390x_h_
+
+// C Includes
+// C++ Includes
+// Other libraries and framework includes
+// Project includes
+#include "lldb/Core/DataBufferHeap.h"
+#include "Plugins/Process/Utility/RegisterContextPOSIX_s390x.h"
+
+class RegisterContextCorePOSIX_s390x : public RegisterContextPOSIX_s390x
+{
+public:
+ RegisterContextCorePOSIX_s390x(lldb_private::Thread &thread, lldb_private::RegisterInfoInterface *register_info,
+ const lldb_private::DataExtractor &gpregset,
+ const lldb_private::DataExtractor &fpregset);
+
+ ~RegisterContextCorePOSIX_s390x() override;
+
+ bool
+ ReadRegister(const lldb_private::RegisterInfo *reg_info, lldb_private::RegisterValue &value) override;
+
+ bool
+ WriteRegister(const lldb_private::RegisterInfo *reg_info, const lldb_private::RegisterValue &value) override;
+
+ bool
+ ReadAllRegisterValues(lldb::DataBufferSP &data_sp) override;
+
+ bool
+ WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override;
+
+ bool
+ HardwareSingleStep(bool enable) override;
+
+protected:
+ bool
+ ReadGPR() override;
+
+ bool
+ ReadFPR() override;
+
+ bool
+ WriteGPR() override;
+
+ bool
+ WriteFPR() override;
+
+private:
+ lldb::DataBufferSP m_gpr_buffer;
+ lldb_private::DataExtractor m_gpr;
+
+ lldb::DataBufferSP m_fpr_buffer;
+ lldb_private::DataExtractor m_fpr;
+};
+
+#endif // liblldb_RegisterContextCorePOSIX_s390x_h_
diff --git a/lldb/source/Plugins/Process/elf-core/ThreadElfCore.cpp b/lldb/source/Plugins/Process/elf-core/ThreadElfCore.cpp
index 9cc7829fc39..e4cfa68044f 100644
--- a/lldb/source/Plugins/Process/elf-core/ThreadElfCore.cpp
+++ b/lldb/source/Plugins/Process/elf-core/ThreadElfCore.cpp
@@ -18,6 +18,7 @@
#include "ProcessElfCore.h"
#include "Plugins/Process/Utility/RegisterContextLinux_arm.h"
#include "Plugins/Process/Utility/RegisterContextLinux_arm64.h"
+#include "Plugins/Process/Utility/RegisterContextLinux_s390x.h"
#include "Plugins/Process/Utility/RegisterContextLinux_x86_64.h"
#include "Plugins/Process/Utility/RegisterContextFreeBSD_arm.h"
#include "Plugins/Process/Utility/RegisterContextFreeBSD_arm64.h"
@@ -29,6 +30,7 @@
#include "RegisterContextPOSIXCore_arm64.h"
#include "RegisterContextPOSIXCore_mips64.h"
#include "RegisterContextPOSIXCore_powerpc.h"
+#include "RegisterContextPOSIXCore_s390x.h"
#include "RegisterContextPOSIXCore_x86_64.h"
using namespace lldb;
@@ -139,6 +141,9 @@ ThreadElfCore::CreateRegisterContextForFrame (StackFrame *frame)
case llvm::Triple::aarch64:
reg_interface = new RegisterContextLinux_arm64(arch);
break;
+ case llvm::Triple::systemz:
+ reg_interface = new RegisterContextLinux_s390x(arch);
+ break;
case llvm::Triple::x86_64:
reg_interface = new RegisterContextLinux_x86_64(arch);
break;
@@ -174,6 +179,9 @@ ThreadElfCore::CreateRegisterContextForFrame (StackFrame *frame)
case llvm::Triple::ppc64:
m_thread_reg_ctx_sp.reset(new RegisterContextCorePOSIX_powerpc (*this, reg_interface, m_gpregset_data, m_fpregset_data, m_vregset_data));
break;
+ case llvm::Triple::systemz:
+ m_thread_reg_ctx_sp.reset(new RegisterContextCorePOSIX_s390x (*this, reg_interface, m_gpregset_data, m_fpregset_data));
+ break;
case llvm::Triple::x86:
case llvm::Triple::x86_64:
m_thread_reg_ctx_sp.reset(new RegisterContextCorePOSIX_x86_64 (*this, reg_interface, m_gpregset_data, m_fpregset_data));
@@ -218,6 +226,7 @@ ELFLinuxPrStatus::Parse(DataExtractor &data, ArchSpec &arch)
size_t len;
switch(arch.GetCore())
{
+ case ArchSpec::eCore_s390x_generic:
case ArchSpec::eCore_x86_64_x86_64:
len = data.ExtractBytes(0, ELFLINUXPRSTATUS64_SIZE, byteorder, this);
return len == ELFLINUXPRSTATUS64_SIZE;
@@ -241,6 +250,7 @@ ELFLinuxPrPsInfo::Parse(DataExtractor &data, ArchSpec &arch)
size_t len;
switch(arch.GetCore())
{
+ case ArchSpec::eCore_s390x_generic:
case ArchSpec::eCore_x86_64_x86_64:
len = data.ExtractBytes(0, ELFLINUXPRPSINFO64_SIZE, byteorder, this);
return len == ELFLINUXPRPSINFO64_SIZE;
diff --git a/lldb/source/Plugins/Process/elf-core/ThreadElfCore.h b/lldb/source/Plugins/Process/elf-core/ThreadElfCore.h
index d3a42e0eb54..b4e99014067 100644
--- a/lldb/source/Plugins/Process/elf-core/ThreadElfCore.h
+++ b/lldb/source/Plugins/Process/elf-core/ThreadElfCore.h
@@ -68,6 +68,7 @@ struct ELFLinuxPrStatus
{
switch(arch.GetCore())
{
+ case lldb_private::ArchSpec::eCore_s390x_generic:
case lldb_private::ArchSpec::eCore_x86_64_x86_64:
return ELFLINUXPRSTATUS64_SIZE;
default:
@@ -102,6 +103,7 @@ struct ELFLinuxPrPsInfo
{
switch(arch.GetCore())
{
+ case lldb_private::ArchSpec::eCore_s390x_generic:
case lldb_private::ArchSpec::eCore_x86_64_x86_64:
return ELFLINUXPRPSINFO64_SIZE;
default:
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