Added a setting that enables saving all .o files from a given JIT expression.

This allows debugging of the JIT and other analyses of the internals of the
expression parser.  I've also added a testcase that verifies that the setting
works correctly when off and on.

llvm-svn: 282434

1 files changed, 9 insertions, 0 deletions

diff --git a/lldb/source/Target/Target.cpp b/lldb/source/Target/Target.cpp
index ee7eab71c6a..f4a91192cfd 100644
--- a/lldb/source/Target/Target.cpp
+++ b/lldb/source/Target/Target.cpp
@@ -3246,6 +3246,8 @@ static PropertyDefinition g_properties[] = {
      nullptr, "Automatically apply fix-it hints to expressions."},
     {"notify-about-fixits", OptionValue::eTypeBoolean, false, true, nullptr,
      nullptr, "Print the fixed expression text."},
+    {"save-jit-objects", OptionValue::eTypeBoolean, false, false, nullptr,
+     nullptr, "Save intermediate object files generated by the LLVM JIT"},
     {"max-children-count", OptionValue::eTypeSInt64, false, 256, nullptr,
      nullptr, "Maximum number of children to expand in any level of depth."},
     {"max-string-summary-length", OptionValue::eTypeSInt64, false, 1024,
@@ -3370,6 +3372,7 @@ enum {
   ePropertyAutoImportClangModules,
   ePropertyAutoApplyFixIts,
   ePropertyNotifyAboutFixIts,
+  ePropertySaveObjects,
   ePropertyMaxChildrenCount,
   ePropertyMaxSummaryLength,
   ePropertyMaxMemReadSize,
@@ -3788,6 +3791,12 @@ bool TargetProperties::GetEnableNotifyAboutFixIts() const {
       nullptr, idx, g_properties[idx].default_uint_value != 0);
 }
 
+bool TargetProperties::GetEnableSaveObjects() const {
+  const uint32_t idx = ePropertySaveObjects;
+  return m_collection_sp->GetPropertyAtIndexAsBoolean(
+      nullptr, idx, g_properties[idx].default_uint_value != 0);
+}
+
 bool TargetProperties::GetEnableSyntheticValue() const {
   const uint32_t idx = ePropertyEnableSynthetic;
   return m_collection_sp->GetPropertyAtIndexAsBoolean(