[Lldb-commits] [PATCH] D139066: [lldb] Make sure the value of `eSymbolContextVariable` is not conflicting with `RESOLVED_FRAME_CODE_ADDR`

[Argyrios Kyrtzidis via Phabricator via lldb-commits]

akyrtzi created this revision.
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akyrtzi requested review of this revision.
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Herald added a subscriber: lldb-commits.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D139066

Files:
  lldb/include/lldb/lldb-enumerations.h
  lldb/source/Target/StackFrame.cpp


Index: lldb/source/Target/StackFrame.cpp
===================================================================
--- lldb/source/Target/StackFrame.cpp
+++ lldb/source/Target/StackFrame.cpp
@@ -44,7 +44,7 @@
 // The first bits in the flags are reserved for the SymbolContext::Scope bits
 // so we know if we have tried to look up information in our internal symbol
 // context (m_sc) already.
-#define RESOLVED_FRAME_CODE_ADDR (uint32_t(eSymbolContextEverything + 1))
+#define RESOLVED_FRAME_CODE_ADDR (uint32_t(eSymbolContextLastItem) << 1)
 #define RESOLVED_FRAME_ID_SYMBOL_SCOPE (RESOLVED_FRAME_CODE_ADDR << 1)
 #define GOT_FRAME_BASE (RESOLVED_FRAME_ID_SYMBOL_SCOPE << 1)
 #define RESOLVED_VARIABLES (GOT_FRAME_BASE << 1)
Index: lldb/include/lldb/lldb-enumerations.h
===================================================================
--- lldb/include/lldb/lldb-enumerations.h
+++ lldb/include/lldb/lldb-enumerations.h
@@ -375,6 +375,9 @@
     /// from being used during frame PC lookups and many other
     /// potential address to symbol context lookups.
     eSymbolContextVariable = (1u << 7),
+
+    // Keep this last and up-to-date for what the last enum value is.
+    eSymbolContextLastItem = eSymbolContextVariable,
 };
 LLDB_MARK_AS_BITMASK_ENUM(SymbolContextItem)
 



Index: lldb/source/Target/StackFrame.cpp
===================================================================
--- lldb/source/Target/StackFrame.cpp
+++ lldb/source/Target/StackFrame.cpp
@@ -44,7 +44,7 @@
 // The first bits in the flags are reserved for the SymbolContext::Scope bits
 // so we know if we have tried to look up information in our internal symbol
 // context (m_sc) already.
-#define RESOLVED_FRAME_CODE_ADDR (uint32_t(eSymbolContextEverything + 1))
+#define RESOLVED_FRAME_CODE_ADDR (uint32_t(eSymbolContextLastItem) << 1)
 #define RESOLVED_FRAME_ID_SYMBOL_SCOPE (RESOLVED_FRAME_CODE_ADDR << 1)
 #define GOT_FRAME_BASE (RESOLVED_FRAME_ID_SYMBOL_SCOPE << 1)
 #define RESOLVED_VARIABLES (GOT_FRAME_BASE << 1)
Index: lldb/include/lldb/lldb-enumerations.h
===================================================================
--- lldb/include/lldb/lldb-enumerations.h
+++ lldb/include/lldb/lldb-enumerations.h
@@ -375,6 +375,9 @@
     /// from being used during frame PC lookups and many other
     /// potential address to symbol context lookups.
     eSymbolContextVariable = (1u << 7),
+
+    // Keep this last and up-to-date for what the last enum value is.
+    eSymbolContextLastItem = eSymbolContextVariable,
 };
 LLDB_MARK_AS_BITMASK_ENUM(SymbolContextItem)
 

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