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lldb-netbsd: Detach support for watchpoint registers and *RegisterRaw
Module Name: pkgsrc-wip
Committed By: Kamil Rytarowski <n54%gmx.com@localhost>
Pushed By: kamil
Date: Wed Mar 1 22:45:34 2017 +0100
Changeset: 614e3cf38afe05f399eec7b48d818e9760e98984
Modified Files:
lldb-netbsd/distinfo
lldb-netbsd/patches/patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD.cpp
lldb-netbsd/patches/patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD.h
lldb-netbsd/patches/patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD__x86__64.cpp
lldb-netbsd/patches/patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD__x86__64.h
Log Message:
lldb-netbsd: Detach support for watchpoint registers and *RegisterRaw
Remove functions for watchpoint registers.
Focus currently on GPR and FPR ones.
Remove ReadRegisterRaw() and WriteRegisterRaw(). This function is a Linux
specific way to read User Data. On NetBSD we need to call directly PT_GETREGS
PT_GETPFPREGS or PT_GETDBREGS.
Sponsored by <The NetBSD Foundation>
To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=614e3cf38afe05f399eec7b48d818e9760e98984
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
diffstat:
lldb-netbsd/distinfo | 8 +-
..._Process_NetBSD_NativeRegisterContextNetBSD.cpp | 67 +-----
...ns_Process_NetBSD_NativeRegisterContextNetBSD.h | 7 +-
...NetBSD_NativeRegisterContextNetBSD__x86__64.cpp | 225 +--------------------
...s_NetBSD_NativeRegisterContextNetBSD__x86__64.h | 23 +--
5 files changed, 12 insertions(+), 318 deletions(-)
diffs:
diff --git a/lldb-netbsd/distinfo b/lldb-netbsd/distinfo
index 91da27e77b..d13bd0fd38 100644
--- a/lldb-netbsd/distinfo
+++ b/lldb-netbsd/distinfo
@@ -25,10 +25,10 @@ SHA1 (patch-source_Plugins_Process_CMakeLists.txt) = c689ff4ec455234f8d506dc9eb8
SHA1 (patch-source_Plugins_Process_NetBSD_CMakeLists.txt) = a77f397020ab752875813a7a93b53ccd3a130e6f
SHA1 (patch-source_Plugins_Process_NetBSD_NativeProcessNetBSD.cpp) = 037094d3eaa832eaf2b3719833d2d3c46101e03e
SHA1 (patch-source_Plugins_Process_NetBSD_NativeProcessNetBSD.h) = c48bb2dd45682164ab904b8b3f7664b91ac35d5b
-SHA1 (patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD.cpp) = ab854f2728f7dc8eee2cb7840d3f353893e5c245
-SHA1 (patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD.h) = 224983911b6cab8cd20abc3e26e1efe68cadee15
-SHA1 (patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD__x86__64.cpp) = 367d8ec4efdca3f4d0cf76288936f3fe8923a82a
-SHA1 (patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD__x86__64.h) = cafd43e1d98a2adaef41926d821bacbfa9db8614
+SHA1 (patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD.cpp) = 0e03b713b3b6f5aeda45ac641d20fe6f86cb85d5
+SHA1 (patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD.h) = 4ad37620c68d28d7a5a9fec99d7c64f496a1d330
+SHA1 (patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD__x86__64.cpp) = 2410f1f6861adf9ac43320827847ec070520ed5d
+SHA1 (patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD__x86__64.h) = 58803697f65411d1ad62e45c6af68c9271633bac
SHA1 (patch-source_Plugins_Process_NetBSD_NativeThreadNetBSD.cpp) = 0985eaefb605c06185cc14fa1c02c0b9f8318472
SHA1 (patch-source_Plugins_Process_NetBSD_NativeThreadNetBSD.h) = c675af8495a75f99bb60cb4ab3fa36223f1cb6f4
SHA1 (patch-tools_lldb-server_CMakeLists.txt) = 9804b083a1aa0cb7fa06b840a71c28424ad8e01d
diff --git a/lldb-netbsd/patches/patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD.cpp b/lldb-netbsd/patches/patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD.cpp
index 1e29c1c73e..59c8d56022 100644
--- a/lldb-netbsd/patches/patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD.cpp
+++ b/lldb-netbsd/patches/patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD.cpp
@@ -2,7 +2,7 @@ $NetBSD$
--- source/Plugins/Process/NetBSD/NativeRegisterContextNetBSD.cpp.orig 2017-03-01 11:04:39.184136620 +0000
+++ source/Plugins/Process/NetBSD/NativeRegisterContextNetBSD.cpp
-@@ -0,0 +1,200 @@
+@@ -0,0 +1,135 @@
+//===-- NativeRegisterContextNetBSD.cpp --------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
@@ -49,71 +49,6 @@ $NetBSD$
+ return byte_order;
+}
+
-+Error NativeRegisterContextNetBSD::ReadRegisterRaw(uint32_t reg_index,
-+ RegisterValue ®_value) {
-+ const RegisterInfo *const reg_info = GetRegisterInfoAtIndex(reg_index);
-+ if (!reg_info)
-+ return Error("register %" PRIu32 " not found", reg_index);
-+
-+ return DoReadRegisterValue(reg_info->byte_offset, reg_info->name,
-+ reg_info->byte_size, reg_value);
-+}
-+
-+Error NativeRegisterContextNetBSD::WriteRegisterRaw(
-+ uint32_t reg_index, const RegisterValue ®_value) {
-+ uint32_t reg_to_write = reg_index;
-+ RegisterValue value_to_write = reg_value;
-+
-+ // Check if this is a subregister of a full register.
-+ const RegisterInfo *reg_info = GetRegisterInfoAtIndex(reg_index);
-+ if (reg_info->invalidate_regs &&
-+ (reg_info->invalidate_regs[0] != LLDB_INVALID_REGNUM)) {
-+ Error error;
-+
-+ RegisterValue full_value;
-+ uint32_t full_reg = reg_info->invalidate_regs[0];
-+ const RegisterInfo *full_reg_info = GetRegisterInfoAtIndex(full_reg);
-+
-+ // Read the full register.
-+ error = ReadRegister(full_reg_info, full_value);
-+ if (error.Fail())
-+ return error;
-+
-+ lldb::ByteOrder byte_order = GetByteOrder();
-+ uint8_t dst[RegisterValue::kMaxRegisterByteSize];
-+
-+ // Get the bytes for the full register.
-+ const uint32_t dest_size = full_value.GetAsMemoryData(
-+ full_reg_info, dst, sizeof(dst), byte_order, error);
-+ if (error.Success() && dest_size) {
-+ uint8_t src[RegisterValue::kMaxRegisterByteSize];
-+
-+ // Get the bytes for the source data.
-+ const uint32_t src_size = reg_value.GetAsMemoryData(
-+ reg_info, src, sizeof(src), byte_order, error);
-+ if (error.Success() && src_size && (src_size < dest_size)) {
-+ // Copy the src bytes to the destination.
-+ memcpy(dst + (reg_info->byte_offset & 0x1), src, src_size);
-+ // Set this full register as the value to write.
-+ value_to_write.SetBytes(dst, full_value.GetByteSize(), byte_order);
-+ value_to_write.SetType(full_reg_info);
-+ reg_to_write = full_reg;
-+ }
-+ }
-+ }
-+
-+ const RegisterInfo *const register_to_write_info_p =
-+ GetRegisterInfoAtIndex(reg_to_write);
-+ assert(register_to_write_info_p &&
-+ "register to write does not have valid RegisterInfo");
-+ if (!register_to_write_info_p)
-+ return Error("NativeRegisterContextNetBSD::%s failed to get RegisterInfo "
-+ "for write register index %" PRIu32,
-+ __FUNCTION__, reg_to_write);
-+
-+ return DoWriteRegisterValue(reg_info->byte_offset, reg_info->name, reg_value);
-+}
-+
+Error NativeRegisterContextNetBSD::ReadGPR() {
+ void *buf = GetGPRBuffer();
+ if (!buf)
diff --git a/lldb-netbsd/patches/patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD.h b/lldb-netbsd/patches/patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD.h
index 4e65b4c3fe..844a093f92 100644
--- a/lldb-netbsd/patches/patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD.h
+++ b/lldb-netbsd/patches/patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD.h
@@ -2,7 +2,7 @@ $NetBSD$
--- source/Plugins/Process/NetBSD/NativeRegisterContextNetBSD.h.orig 2017-03-01 11:04:42.048407244 +0000
+++ source/Plugins/Process/NetBSD/NativeRegisterContextNetBSD.h
-@@ -0,0 +1,86 @@
+@@ -0,0 +1,81 @@
+//===-- NativeRegisterContextNetBSD.h ----------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
@@ -44,11 +44,6 @@ $NetBSD$
+protected:
+ lldb::ByteOrder GetByteOrder() const;
+
-+ virtual Error ReadRegisterRaw(uint32_t reg_index, RegisterValue ®_value);
-+
-+ virtual Error WriteRegisterRaw(uint32_t reg_index,
-+ const RegisterValue ®_value);
-+
+ virtual Error ReadGPR();
+
+ virtual Error WriteGPR();
diff --git a/lldb-netbsd/patches/patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD__x86__64.cpp b/lldb-netbsd/patches/patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD__x86__64.cpp
index 1e1834f7e4..4e6adb7b57 100644
--- a/lldb-netbsd/patches/patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD__x86__64.cpp
+++ b/lldb-netbsd/patches/patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD__x86__64.cpp
@@ -2,7 +2,7 @@ $NetBSD$
--- source/Plugins/Process/NetBSD/NativeRegisterContextNetBSD_x86_64.cpp.orig 2017-03-01 11:04:48.447830223 +0000
+++ source/Plugins/Process/NetBSD/NativeRegisterContextNetBSD_x86_64.cpp
-@@ -0,0 +1,1227 @@
+@@ -0,0 +1,1012 @@
+//===-- NativeRegisterContextNetBSD_x86_64.cpp ---------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
@@ -214,20 +214,6 @@ $NetBSD$
+#define REG_CONTEXT_SIZE (GetRegisterInfoInterface().GetGPRSize() + sizeof(FPR))
+
+// ----------------------------------------------------------------------------
-+// Required ptrace defines.
-+// ----------------------------------------------------------------------------
-+
-+// On x86_64 NT_PRFPREG is used to access the FXSAVE area. On i386, we need to
-+// use NT_PRXFPREG.
-+static inline unsigned int fxsr_regset(const ArchSpec &arch) {
-+#if 0
-+ return arch.GetAddressByteSize() == 8 ? NT_PRFPREG : NT_PRXFPREG;
-+#else
-+ return 0;
-+#endif
-+}
-+
-+// ----------------------------------------------------------------------------
+// Required MPX define.
+// ----------------------------------------------------------------------------
+
@@ -423,6 +409,7 @@ $NetBSD$
+ full_reg = reg_info->invalidate_regs[0];
+ }
+
++#if 0
+ error = ReadRegisterRaw(full_reg, reg_value);
+
+ if (error.Success()) {
@@ -438,6 +425,7 @@ $NetBSD$
+ reg_value.SetType(reg_info);
+ }
+ return error;
++#endif
+ }
+
+ if (reg_info->encoding == lldb::eEncodingVector) {
@@ -544,8 +532,10 @@ $NetBSD$
+ ? reg_info->name
+ : "<unknown register>");
+
++#if 0
+ if (IsGPR(reg_index))
+ return WriteRegisterRaw(reg_index, reg_value);
++#endif
+
+ if (IsFPR(reg_index) || IsAVX(reg_index) || IsMPX(reg_index)) {
+ if (reg_info->encoding == lldb::eEncodingVector) {
@@ -1024,209 +1014,4 @@ $NetBSD$
+ return true;
+}
+
-+Error NativeRegisterContextNetBSD_x86_64::IsWatchpointHit(uint32_t wp_index,
-+ bool &is_hit) {
-+ if (wp_index >= NumSupportedHardwareWatchpoints())
-+ return Error("Watchpoint index out of range");
-+
-+ RegisterValue reg_value;
-+ Error error = ReadRegisterRaw(m_reg_info.first_dr + 6, reg_value);
-+ if (error.Fail()) {
-+ is_hit = false;
-+ return error;
-+ }
-+
-+ uint64_t status_bits = reg_value.GetAsUInt64();
-+
-+ is_hit = status_bits & (1 << wp_index);
-+
-+ return error;
-+}
-+
-+Error NativeRegisterContextNetBSD_x86_64::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 NativeRegisterContextNetBSD_x86_64::IsWatchpointVacant(uint32_t wp_index,
-+ bool &is_vacant) {
-+ if (wp_index >= NumSupportedHardwareWatchpoints())
-+ return Error("Watchpoint index out of range");
-+
-+ RegisterValue reg_value;
-+ Error error = ReadRegisterRaw(m_reg_info.first_dr + 7, reg_value);
-+ if (error.Fail()) {
-+ is_vacant = false;
-+ return error;
-+ }
-+
-+ uint64_t control_bits = reg_value.GetAsUInt64();
-+
-+ is_vacant = !(control_bits & (1 << (2 * wp_index)));
-+
-+ return error;
-+}
-+
-+Error NativeRegisterContextNetBSD_x86_64::SetHardwareWatchpointWithIndex(
-+ lldb::addr_t addr, size_t size, uint32_t watch_flags, uint32_t wp_index) {
-+
-+ if (wp_index >= NumSupportedHardwareWatchpoints())
-+ return Error("Watchpoint index out of range");
-+
-+ // Read only watchpoints aren't supported on x86_64. Fall back to read/write
-+ // waitchpoints instead.
-+ // TODO: Add logic to detect when a write happens and ignore that watchpoint
-+ // hit.
-+ if (watch_flags == 0x2)
-+ watch_flags = 0x3;
-+
-+ if (watch_flags != 0x1 && watch_flags != 0x3)
-+ return Error("Invalid read/write bits for watchpoint");
-+
-+ if (size != 1 && size != 2 && size != 4 && size != 8)
-+ return Error("Invalid size for watchpoint");
-+
-+ bool is_vacant;
-+ Error error = IsWatchpointVacant(wp_index, is_vacant);
-+ if (error.Fail())
-+ return error;
-+ if (!is_vacant)
-+ return Error("Watchpoint index not vacant");
-+
-+ RegisterValue reg_value;
-+ error = ReadRegisterRaw(m_reg_info.first_dr + 7, reg_value);
-+ if (error.Fail())
-+ return error;
-+
-+ // for watchpoints 0, 1, 2, or 3, respectively,
-+ // set bits 1, 3, 5, or 7
-+ uint64_t enable_bit = 1 << (2 * wp_index);
-+
-+ // set bits 16-17, 20-21, 24-25, or 28-29
-+ // with 0b01 for write, and 0b11 for read/write
-+ uint64_t rw_bits = watch_flags << (16 + 4 * wp_index);
-+
-+ // set bits 18-19, 22-23, 26-27, or 30-31
-+ // with 0b00, 0b01, 0b10, or 0b11
-+ // for 1, 2, 8 (if supported), or 4 bytes, respectively
-+ uint64_t size_bits = (size == 8 ? 0x2 : size - 1) << (18 + 4 * wp_index);
-+
-+ uint64_t bit_mask = (0x3 << (2 * wp_index)) | (0xF << (16 + 4 * wp_index));
-+
-+ uint64_t control_bits = reg_value.GetAsUInt64() & ~bit_mask;
-+
-+ control_bits |= enable_bit | rw_bits | size_bits;
-+
-+ error = WriteRegisterRaw(m_reg_info.first_dr + wp_index, RegisterValue(addr));
-+ if (error.Fail())
-+ return error;
-+
-+ error =
-+ WriteRegisterRaw(m_reg_info.first_dr + 7, RegisterValue(control_bits));
-+ if (error.Fail())
-+ return error;
-+
-+ error.Clear();
-+ return error;
-+}
-+
-+bool NativeRegisterContextNetBSD_x86_64::ClearHardwareWatchpoint(
-+ uint32_t wp_index) {
-+ if (wp_index >= NumSupportedHardwareWatchpoints())
-+ return false;
-+
-+ RegisterValue reg_value;
-+
-+ // for watchpoints 0, 1, 2, or 3, respectively,
-+ // clear bits 0, 1, 2, or 3 of the debug status register (DR6)
-+ Error error = ReadRegisterRaw(m_reg_info.first_dr + 6, reg_value);
-+ if (error.Fail())
-+ return false;
-+ uint64_t bit_mask = 1 << wp_index;
-+ uint64_t status_bits = reg_value.GetAsUInt64() & ~bit_mask;
-+ error = WriteRegisterRaw(m_reg_info.first_dr + 6, RegisterValue(status_bits));
-+ if (error.Fail())
-+ return false;
-+
-+ // for watchpoints 0, 1, 2, or 3, respectively,
-+ // clear bits {0-1,16-19}, {2-3,20-23}, {4-5,24-27}, or {6-7,28-31}
-+ // of the debug control register (DR7)
-+ error = ReadRegisterRaw(m_reg_info.first_dr + 7, reg_value);
-+ if (error.Fail())
-+ return false;
-+ bit_mask = (0x3 << (2 * wp_index)) | (0xF << (16 + 4 * wp_index));
-+ uint64_t control_bits = reg_value.GetAsUInt64() & ~bit_mask;
-+ return WriteRegisterRaw(m_reg_info.first_dr + 7, RegisterValue(control_bits))
-+ .Success();
-+}
-+
-+Error NativeRegisterContextNetBSD_x86_64::ClearAllHardwareWatchpoints() {
-+ RegisterValue reg_value;
-+
-+ // clear bits {0-4} of the debug status register (DR6)
-+ Error error = ReadRegisterRaw(m_reg_info.first_dr + 6, reg_value);
-+ if (error.Fail())
-+ return error;
-+ uint64_t bit_mask = 0xF;
-+ uint64_t status_bits = reg_value.GetAsUInt64() & ~bit_mask;
-+ error = WriteRegisterRaw(m_reg_info.first_dr + 6, RegisterValue(status_bits));
-+ if (error.Fail())
-+ return error;
-+
-+ // clear bits {0-7,16-31} of the debug control register (DR7)
-+ error = ReadRegisterRaw(m_reg_info.first_dr + 7, reg_value);
-+ if (error.Fail())
-+ return error;
-+ bit_mask = 0xFF | (0xFFFF << 16);
-+ uint64_t control_bits = reg_value.GetAsUInt64() & ~bit_mask;
-+ return WriteRegisterRaw(m_reg_info.first_dr + 7, RegisterValue(control_bits));
-+}
-+
-+uint32_t NativeRegisterContextNetBSD_x86_64::SetHardwareWatchpoint(
-+ lldb::addr_t addr, size_t size, uint32_t watch_flags) {
-+ Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_WATCHPOINTS));
-+ const uint32_t num_hw_watchpoints = NumSupportedHardwareWatchpoints();
-+ for (uint32_t wp_index = 0; wp_index < num_hw_watchpoints; ++wp_index) {
-+ bool is_vacant;
-+ Error error = IsWatchpointVacant(wp_index, is_vacant);
-+ if (is_vacant) {
-+ error = SetHardwareWatchpointWithIndex(addr, size, watch_flags, wp_index);
-+ if (error.Success())
-+ return wp_index;
-+ }
-+ if (error.Fail() && log) {
-+ log->Printf("NativeRegisterContextNetBSD_x86_64::%s Error: %s",
-+ __FUNCTION__, error.AsCString());
-+ }
-+ }
-+ return LLDB_INVALID_INDEX32;
-+}
-+
-+lldb::addr_t
-+NativeRegisterContextNetBSD_x86_64::GetWatchpointAddress(uint32_t wp_index) {
-+ if (wp_index >= NumSupportedHardwareWatchpoints())
-+ return LLDB_INVALID_ADDRESS;
-+ RegisterValue reg_value;
-+ if (ReadRegisterRaw(m_reg_info.first_dr + wp_index, reg_value).Fail())
-+ return LLDB_INVALID_ADDRESS;
-+ return reg_value.GetAsUInt64();
-+}
-+
-+uint32_t NativeRegisterContextNetBSD_x86_64::NumSupportedHardwareWatchpoints() {
-+ // Available debug address registers: dr0, dr1, dr2, dr3
-+ return 4;
-+}
-+
+#endif // defined(__i386__) || defined(__x86_64__)
diff --git a/lldb-netbsd/patches/patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD__x86__64.h b/lldb-netbsd/patches/patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD__x86__64.h
index ecae83fd84..8627a386d6 100644
--- a/lldb-netbsd/patches/patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD__x86__64.h
+++ b/lldb-netbsd/patches/patch-source_Plugins_Process_NetBSD_NativeRegisterContextNetBSD__x86__64.h
@@ -2,7 +2,7 @@ $NetBSD$
--- source/Plugins/Process/NetBSD/NativeRegisterContextNetBSD_x86_64.h.orig 2017-03-01 11:04:51.743978339 +0000
+++ source/Plugins/Process/NetBSD/NativeRegisterContextNetBSD_x86_64.h
-@@ -0,0 +1,146 @@
+@@ -0,0 +1,125 @@
+//===-- NativeRegisterContextNetBSD_x86_64.h ---------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
@@ -48,27 +48,6 @@ $NetBSD$
+
+ 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;
-+
-+ Error SetHardwareWatchpointWithIndex(lldb::addr_t addr, size_t size,
-+ uint32_t watch_flags, uint32_t wp_index);
-+
-+ 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:
+ void *GetGPRBuffer() override { return &m_gpr_x86_64; }
+
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