From 1659276beec2d8c06794d9805cf7be06dcd3b172 Mon Sep 17 00:00:00 2001 From: Jason Molenda Date: Wed, 26 Jun 2019 21:59:39 +0000 Subject: Support nested target.xml register definition files, lack of reg group markers. The qemu x86_64 target returns a target.xml register definition file which includes other xml files and they include others, etc. Also, the registers are not put in register groups like lldb wants to see. This patch (1) puts registers that aren't in a register group in a "general" register group, (2) change ProcessGDBRemote::GetGDBServerRegisterInfo to be a method that starts the parsing, asking a recurisve function to fetch and parse target.xml, (3) adds ProcessGDBRemote::GetGDBServerRegisterInfoXMLAndProcess which can recusively call itself to read and parse included xml files, (4) in addition to expecting the top-level element (which only happens in the top level xml file), also an xml file that consists of a node - read the register defintions and includes from that element. Differential revision: https://reviews.llvm.org/D63802 llvm-svn: 364484 --- .../gdb_remote_client/TestNestedRegDefinitions.py | 238 +++++++++++++++++++++ 1 file changed, 238 insertions(+) create mode 100644 lldb/packages/Python/lldbsuite/test/functionalities/gdb_remote_client/TestNestedRegDefinitions.py (limited to 'lldb/packages/Python/lldbsuite') diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/gdb_remote_client/TestNestedRegDefinitions.py b/lldb/packages/Python/lldbsuite/test/functionalities/gdb_remote_client/TestNestedRegDefinitions.py new file mode 100644 index 00000000000..4407e867e70 --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/functionalities/gdb_remote_client/TestNestedRegDefinitions.py @@ -0,0 +1,238 @@ +from __future__ import print_function +import lldb +from lldbsuite.test.lldbtest import * +from lldbsuite.test.decorators import * +from gdbclientutils import * + +class TestNestedRegDefinitions(GDBRemoteTestBase): + + @skipIfXmlSupportMissing + @skipIfRemote + def test(self): + """ + Test lldb's parsing of the tag in the target.xml register + description packet. + """ + class MyResponder(MockGDBServerResponder): + + def qXferRead(self, obj, annex, offset, length): + if annex == "target.xml": + return """i386:x86-64""", False + + if annex == "i386-64bit.xml": + return """ + + + + + + + + +""", False + + if annex == "i386-64bit-core.xml": + return """ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +""", False + + if annex == "i386-64bit-sse.xml": + return """ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +""", False + + return None, False + + def readRegister(self, regnum): + return "" + + def readRegisters(self): + return "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" + + def haltReason(self): + return "T02thread:dead;threads:dead;" + + def qfThreadInfo(self): + return "mdead" + + def qC(self): + return "" + + def qSupported(self, client_supported): + return "PacketSize=4000;qXfer:features:read+" + + def QThreadSuffixSupported(self): + return "OK" + + def QListThreadsInStopReply(self): + return "OK" + + self.server.responder = MyResponder() + if self.TraceOn(): + self.runCmd("log enable gdb-remote packets") + self.addTearDownHook( + lambda: self.runCmd("log disable gdb-remote packets")) + + target = self.dbg.CreateTargetWithFileAndArch(None, None) + + process = self.connect(target) + + if self.TraceOn(): + interp = self.dbg.GetCommandInterpreter() + result = lldb.SBCommandReturnObject() + interp.HandleCommand("target list", result) + print(result.GetOutput()) + + rip_valobj = process.GetThreadAtIndex(0).GetFrameAtIndex(0).FindRegister("rip") + self.assertEqual(rip_valobj.GetValueAsUnsigned(), 0x00ffff800041120e) + + r15_valobj = process.GetThreadAtIndex(0).GetFrameAtIndex(0).FindRegister("r15") + self.assertEqual(r15_valobj.GetValueAsUnsigned(), 0xffffff8000c0b778) + + mxcsr_valobj = process.GetThreadAtIndex(0).GetFrameAtIndex(0).FindRegister("mxcsr") + self.assertEqual(mxcsr_valobj.GetValueAsUnsigned(), 0x00001f80) + + gpr_reg_set_name = process.GetThreadAtIndex(0).GetFrameAtIndex(0).GetRegisters().GetValueAtIndex(0).GetName() + self.assertEqual(gpr_reg_set_name, "general") + + float_reg_set_name = process.GetThreadAtIndex(0).GetFrameAtIndex(0).GetRegisters().GetValueAtIndex(1).GetName() + self.assertEqual(float_reg_set_name, "float") + + vector_reg_set_name = process.GetThreadAtIndex(0).GetFrameAtIndex(0).GetRegisters().GetValueAtIndex(2).GetName() + self.assertEqual(vector_reg_set_name, "vector") + + if self.TraceOn(): + print("rip is 0x%x" % rip_valobj.GetValueAsUnsigned()) + print("r15 is 0x%x" % r15_valobj.GetValueAsUnsigned()) + print("mxcsr is 0x%x" % mxcsr_valobj.GetValueAsUnsigned()) -- cgit v1.2.3