[lldb] Add support for MSP430 in LLDB.

Add MSP430 to the list of available targets, implement MSP430 ABI, add support for debugging targets with 16-bit address size.

The update is intended for use with MSPDebug, a GDB server implementation for MSP430.

Reviewed By: bulbazord, DavidSpickett

Differential Revision: https://reviews.llvm.org/D146965

1 files changed, 6 insertions, 0 deletions

diff --git a/lldb/unittests/Utility/ArchSpecTest.cpp b/lldb/unittests/Utility/ArchSpecTest.cpp
index 43cec1f735cc..de3590b73bba 100644
--- a/lldb/unittests/Utility/ArchSpecTest.cpp
+++ b/lldb/unittests/Utility/ArchSpecTest.cpp
@@ -123,6 +123,12 @@ TEST(ArchSpecTest, TestSetTriple) {
   EXPECT_STREQ("i686", AS.GetArchitectureName());
   EXPECT_EQ(ArchSpec::eCore_x86_32_i686, AS.GetCore());
 
+  AS = ArchSpec();
+  EXPECT_TRUE(AS.SetTriple("msp430---elf"));
+  EXPECT_EQ(llvm::Triple::msp430, AS.GetTriple().getArch());
+  EXPECT_STREQ("msp430", AS.GetArchitectureName());
+  EXPECT_EQ(ArchSpec::eCore_msp430, AS.GetCore());
+
   // Various flavors of invalid triples.
   AS = ArchSpec();
   EXPECT_FALSE(AS.SetTriple("unknown-unknown-unknown"));