<rdar://problem/13020634>
Fixed the 32, 16, and 8 bit pseudo regs for x86_64 (real reg of "rax" which subvalues "eax", "ax", etc...) to correctly get updated when stepping. Also fixed it so actual registers can specify what other registers must be invalidated when a register is modified. Previously, only pseudo registers could invalidate other registers.
Modified the LLDB qRegisterInfo extension to the GDB remote interface to support specifying the containing registers with the new "container-regs" key whose value is a comma separated list of register numbers. Also added a "invalidate-regs" key whose value is also a comma separated list of register numbers.
Removed the hack GDBRemoteDynamicRegisterInfo::Addx86_64ConvenienceRegisters() function and modified "debugserver" to specify the registers correctly using the new "container-regs" and "invalidate-regs" keys.
llvm-svn: 173096
diff --git a/lldb/tools/debugserver/source/DNBDefs.h b/lldb/tools/debugserver/source/DNBDefs.h
index 9c07c1a..f582c9e 100644
--- a/lldb/tools/debugserver/source/DNBDefs.h
+++ b/lldb/tools/debugserver/source/DNBDefs.h
@@ -230,6 +230,8 @@
uint32_t reg_dwarf; // DWARF register number (INVALID_NUB_REGNUM when none)
uint32_t reg_generic; // Generic register number (INVALID_NUB_REGNUM when none)
uint32_t reg_gdb; // The GDB register number (INVALID_NUB_REGNUM when none)
+ uint32_t *pseudo_regs; // If this register is a part of another register, list the one or more registers
+ uint32_t *update_regs; // If modifying this register will invalidate other registers, list them here
};
struct DNBRegisterSetInfo