Enable breakpoints and read/write GPRs for ppc64le
Add support for ppc64le to create breakpoints and read/write
general purpose registers.
Other features for ppc64le and functions to read/write
other registers are being implemented.
Patch by Alexandre Yukio Yamashita (alexandreyy)
Differential Revision: https://reviews.llvm.org/D38323
llvm-svn: 315008
diff --git a/lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp b/lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp
index 170d3b1..a5dac2a 100644
--- a/lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp
+++ b/lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp
@@ -1078,7 +1078,8 @@
} else if (m_arch.GetMachine() == llvm::Triple::mips64 ||
m_arch.GetMachine() == llvm::Triple::mips64el ||
m_arch.GetMachine() == llvm::Triple::mips ||
- m_arch.GetMachine() == llvm::Triple::mipsel)
+ m_arch.GetMachine() == llvm::Triple::mipsel ||
+ m_arch.GetMachine() == llvm::Triple::ppc64le)
error = SetSoftwareBreakpoint(next_pc, 4);
else {
// No size hint is given for the next breakpoint
@@ -1579,6 +1580,7 @@
// 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};
+ static const uint8_t g_ppc64le_opcode[] = {0x08, 0x00, 0xe0, 0x7f}; // trap
switch (m_arch.GetMachine()) {
case llvm::Triple::x86:
@@ -1590,6 +1592,10 @@
actual_opcode_size = static_cast<uint32_t>(sizeof(g_s390x_opcode));
return Status();
+ case llvm::Triple::ppc64le:
+ actual_opcode_size = static_cast<uint32_t>(sizeof(g_ppc64le_opcode));
+ return Status();
+
case llvm::Triple::arm:
case llvm::Triple::aarch64:
case llvm::Triple::mips64:
@@ -1635,6 +1641,7 @@
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};
+ static const uint8_t g_ppc64le_opcode[] = {0x08, 0x00, 0xe0, 0x7f}; // trap
switch (m_arch.GetMachine()) {
case llvm::Triple::aarch64:
@@ -1680,6 +1687,11 @@
actual_opcode_size = sizeof(g_s390x_opcode);
return Status();
+ case llvm::Triple::ppc64le:
+ trap_opcode_bytes = g_ppc64le_opcode;
+ actual_opcode_size = sizeof(g_ppc64le_opcode);
+ return Status();
+
default:
assert(false && "CPU type not supported!");
return Status("CPU type not supported");