[lldb] Make process plugins check whether a hardware breakpoint is required

Remove @skipIfWindows as process should report the error correctly on Windows now.

Differential Revision: https://reviews.llvm.org/D84255

Author: tkrasnukha

lldb/source/Plugins/Process/FreeBSD/ProcessFreeBSD.cpp

@@ -683,6 +683,9 @@ ProcessFreeBSD::GetSoftwareBreakpointTrapOpcode(BreakpointSite *bp_site) {
 }
 
 Status ProcessFreeBSD::EnableBreakpointSite(BreakpointSite *bp_site) {
+  if (bp_site->HardwareRequired())
+    return Status("Hardware breakpoints are not supported.");
+
   return EnableSoftwareBreakpoint(bp_site);
 }
 

lldb/source/Plugins/Process/MacOSX-Kernel/ProcessKDP.cpp

@@ -644,6 +644,9 @@ Status ProcessKDP::DoDeallocateMemory(lldb::addr_t addr) {
 }
 
 Status ProcessKDP::EnableBreakpointSite(BreakpointSite *bp_site) {
+  if (bp_site->HardwareRequired())
+    return Status("Hardware breakpoints are not supported.");
+
   if (m_comm.LocalBreakpointsAreSupported()) {
     Status error;
     if (!bp_site->IsEnabled()) {

lldb/source/Plugins/Process/Windows/Common/ProcessWindows.cpp

@@ -150,6 +150,9 @@ lldb_private::ConstString ProcessWindows::GetPluginName() {
 uint32_t ProcessWindows::GetPluginVersion() { return 1; }
 
 Status ProcessWindows::EnableBreakpointSite(BreakpointSite *bp_site) {
+  if (bp_site->HardwareRequired())
+    return Status("Hardware breakpoints are not supported.");
+
   Log *log = ProcessWindowsLog::GetLogIfAny(WINDOWS_LOG_BREAKPOINTS);
   LLDB_LOG(log, "bp_site = {0:x}, id={1}, addr={2:x}", bp_site,
            bp_site->GetID(), bp_site->GetLoadAddress());

lldb/test/API/functionalities/breakpoint/hardware_breakpoints/require_hw_breakpoints/TestRequireHWBreakpoints.py

@@ -27,7 +27,6 @@ def test_breakpoint(self):
         breakpoint = target.BreakpointCreateByLocation("main.c", 1)
         self.assertTrue(breakpoint.IsHardware())
 
-    @skipIfWindows
     @expectedFailure(supports_hw_breakpoints)
     def test_step_range(self):
         """Test stepping when hardware breakpoints are required."""
@@ -49,7 +48,6 @@ def test_step_range(self):
         self.assertTrue("Could not create hardware breakpoint for thread plan"
                         in error.GetCString())
 
-    @skipIfWindows
     @expectedFailure(supports_hw_breakpoints)
     def test_step_out(self):
         """Test stepping out when hardware breakpoints are required."""
@@ -70,7 +68,6 @@ def test_step_out(self):
         self.assertTrue("Could not create hardware breakpoint for thread plan"
                         in error.GetCString())
 
-    @skipIfWindows
     @expectedFailure(supports_hw_breakpoints)
     def test_step_over(self):
         """Test stepping over when hardware breakpoints are required."""
@@ -89,7 +86,6 @@ def test_step_over(self):
                 'error: Could not create hardware breakpoint for thread plan.'
             ])
 
-    @skipIfWindows
     @expectedFailure(supports_hw_breakpoints)
     def test_step_until(self):
         """Test stepping until when hardware breakpoints are required."""