This revision was automatically updated to reflect the committed changes.
Closed by commit rGae376feb0b19: Modify all register values whose byte size
matches the address size to be… (authored by clayborg).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D129528/new/
https://reviews.llvm.org/D129528
Files:
lldb/packages/Python/lldbsuite/test/tools/lldb-vscode/vscode.py
lldb/test/API/tools/lldb-vscode/variables/TestVSCode_variables.py
lldb/tools/lldb-vscode/lldb-vscode.cpp
Index: lldb/tools/lldb-vscode/lldb-vscode.cpp
===================================================================
--- lldb/tools/lldb-vscode/lldb-vscode.cpp
+++ lldb/tools/lldb-vscode/lldb-vscode.cpp
@@ -2933,6 +2933,25 @@
int64_t start_idx = 0;
int64_t num_children = 0;
+ if (variablesReference == VARREF_REGS) {
+ // Change the default format of any pointer sized registers in the first
+ // register set to be the lldb::eFormatAddressInfo so we show the pointer
+ // and resolve what the pointer resolves to. Only change the format if the
+ // format was set to the default format or if it was hex as some registers
+ // have formats set for them.
+ const uint32_t addr_size = g_vsc.target.GetProcess().GetAddressByteSize();
+ lldb::SBValue reg_set = g_vsc.variables.registers.GetValueAtIndex(0);
+ const uint32_t num_regs = reg_set.GetNumChildren();
+ for (uint32_t reg_idx=0; reg_idx<num_regs; ++reg_idx) {
+ lldb::SBValue reg = reg_set.GetChildAtIndex(reg_idx);
+ const lldb::Format format = reg.GetFormat();
+ if (format == lldb::eFormatDefault || format == lldb::eFormatHex) {
+ if (reg.GetByteSize() == addr_size)
+ reg.SetFormat(lldb::eFormatAddressInfo);
+ }
+ }
+ }
+
num_children = top_scope->GetSize();
const int64_t end_idx = start_idx + ((count == 0) ? num_children : count);
Index: lldb/test/API/tools/lldb-vscode/variables/TestVSCode_variables.py
===================================================================
--- lldb/test/API/tools/lldb-vscode/variables/TestVSCode_variables.py
+++ lldb/test/API/tools/lldb-vscode/variables/TestVSCode_variables.py
@@ -459,3 +459,52 @@
"pt": {"missing": ["indexedVariables"]},
}
self.verify_variables(verify_locals, locals)
+
+ @skipIfWindows
+ @skipIfRemote
+ def test_registers(self):
+ '''
+ Test that registers whose byte size is the size of a pointer on
+ the current system get formatted as lldb::eFormatAddressInfo. This
+ will show the pointer value followed by a description of the address
+ itself. To test this we attempt to find the PC value in the general
+ purpose registers, and since we will be stopped in main.cpp, verify
+ that the value for the PC starts with a pointer and is followed by
+ a description that contains main.cpp.
+ '''
+ program = self.getBuildArtifact("a.out")
+ self.build_and_launch(program)
+ source = "main.cpp"
+ breakpoint1_line = line_number(source, "// breakpoint 1")
+ lines = [breakpoint1_line]
+ # Set breakpoint in the thread function so we can step the threads
+ breakpoint_ids = self.set_source_breakpoints(source, lines)
+ self.assertEqual(
+ len(breakpoint_ids), len(lines), "expect correct number of breakpoints"
+ )
+ self.continue_to_breakpoints(breakpoint_ids)
+
+
+ pc_name = None
+ arch = self.getArchitecture()
+ if arch == 'x86_64':
+ pc_name = 'rip'
+ elif arch == 'x86':
+ pc_name = 'rip'
+ elif arch.startswith('arm'):
+ pc_name = 'pc'
+
+ if pc_name is None:
+ return
+ # Verify locals
+ reg_sets = self.vscode.get_registers()
+ for reg_set in reg_sets:
+ if reg_set['name'] == 'General Purpose Registers':
+ varRef = reg_set['variablesReference']
+ regs = self.vscode.request_variables(varRef)['body']['variables']
+ for reg in regs:
+ if reg['name'] == pc_name:
+ value = reg['value']
+ self.assertTrue(value.startswith('0x'))
+ self.assertTrue('a.out`main + ' in value)
+ self.assertTrue('at main.cpp:' in value)
Index: lldb/packages/Python/lldbsuite/test/tools/lldb-vscode/vscode.py
===================================================================
--- lldb/packages/Python/lldbsuite/test/tools/lldb-vscode/vscode.py
+++ lldb/packages/Python/lldbsuite/test/tools/lldb-vscode/vscode.py
@@ -447,6 +447,10 @@
return self.get_scope_variables('Locals', frameIndex=frameIndex,
threadId=threadId)
+ def get_registers(self, frameIndex=0, threadId=None):
+ return self.get_scope_variables('Registers', frameIndex=frameIndex,
+ threadId=threadId)
+
def get_local_variable(self, name, frameIndex=0, threadId=None):
locals = self.get_local_variables(frameIndex=frameIndex,
threadId=threadId)
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