Adapt some tests to work with PPC64le architecture

[anajuliapc]

Summary

Merge branch 'master' into adaptPPC64tests

[alexandreyy]

Hi, @clayborg @labath .

Could you please commit this patch?

lldb/trunk/packages/Python/lldbsuite/test/functionalities/watchpoint/multiple_hits/TestMultipleHits.py

 class MultipleHitsTestCase(TestBase):
 
     mydir = TestBase.compute_mydir(__file__)
     NO_DEBUG_INFO_TESTCASE = True
 
     @expectedFailureAll(
         oslist=["windows"],
         bugnumber="llvm.org/pr24446: WINDOWS XFAIL TRIAGE - Watchpoints not supported on Windows")
-    @skipIf(bugnumber="llvm.org/pr30758", oslist=["linux"], archs=["arm", "aarch64"])
+    @skipIf(bugnumber="llvm.org/pr30758", oslist=["linux"], archs=["arm", "aarch64", "powerpc64le"])
     def test(self):
         self.build()
         exe = self.getBuildArtifact("a.out")
         target = self.dbg.CreateTarget(exe)
         self.assertTrue(target and target.IsValid(), VALID_TARGET)
 
         bp = target.BreakpointCreateByName("main")
         self.assertTrue(bp and bp.IsValid(), "Breakpoint is valid")

lldb/trunk/packages/Python/lldbsuite/test/lang/c/register_variables/test.c

 #include <stdio.h>
 
-#if defined(__arm__) || defined(__aarch64__) || defined (__mips__)
+#if defined(__arm__) || defined(__aarch64__) || defined (__mips__) || defined(__powerpc64__)
 // Clang does not accept regparm attribute on these platforms.
 // Fortunately, the default calling convention passes arguments in registers
 // anyway.
 #define REGPARM(N)
 #else
 #define REGPARM(N) __attribute__((regparm(N)))
 #endif
 

lldb/trunk/packages/Python/lldbsuite/test/lldbplatformutil.py

def check_first_register_readable(test_case):
     elif arch in ['arm', 'armv7', 'armv7k']:
         test_case.expect("register read r0", substrs=['r0 = 0x'])
     elif arch in ['aarch64', 'arm64']:
         test_case.expect("register read x0", substrs=['x0 = 0x'])
     elif re.match("mips", arch):
         test_case.expect("register read zero", substrs=['zero = 0x'])
     elif arch in ['s390x']:
         test_case.expect("register read r0", substrs=['r0 = 0x'])
+    elif arch in ['powerpc64le']:
+        test_case.expect("register read r0", substrs=['r0 = 0x'])
     else:
         # TODO: Add check for other architectures
         test_case.fail(
             "Unsupported architecture for test case (arch: %s)" %
             test_case.getArchitecture())
 
 
 def _run_adb_command(cmd, device_id):

lldb/trunk/packages/Python/lldbsuite/test/tools/lldb-server/TestLldbGdbServer.py

def qRegisterInfo_contains_required_generics(self):
 
         # Collect all generic registers found.
         generic_regs = {
             reg_info['generic']: 1 for reg_info in reg_infos if 'generic' in reg_info}
 
         # Ensure we have a program counter register.
         self.assertTrue('pc' in generic_regs)
 
-        # Ensure we have a frame pointer register.
+        # Ensure we have a frame pointer register. PPC64le's FP is the same as SP
+        if(self.getArchitecture() != 'powerpc64le'):
             self.assertTrue('fp' in generic_regs)
 
         # Ensure we have a stack pointer register.
         self.assertTrue('sp' in generic_regs)
 
         # Ensure we have a flags register.
         self.assertTrue('flags' in generic_regs)
 
     @debugserver_test