rename subprogram_low_pc to function_file_addr, to match the name in the caller

Author: labath

lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp

@@ -1323,7 +1323,7 @@ bool SymbolFileDWARF::ParseDebugMacros(CompileUnit &comp_unit) {
 
 size_t SymbolFileDWARF::ParseBlocksRecursive(CompileUnit &comp_unit,
                                              Block *parent_block, DWARFDIE die,
-                                             addr_t subprogram_low_pc) {
+                                             addr_t function_file_addr) {
   size_t blocks_added = 0;
   for (; die; die = die.GetSibling()) {
     dw_tag_t tag = die.Tag();
@@ -1347,7 +1347,7 @@ size_t SymbolFileDWARF::ParseBlocksRecursive(CompileUnit &comp_unit,
                                  call_column, nullptr)) {
       for (const llvm::DWARFAddressRange &range : ranges) {
         if (range.valid() && range.LowPC >= m_first_code_address)
-          block->AddRange(Block::Range(range.LowPC - subprogram_low_pc,
+          block->AddRange(Block::Range(range.LowPC - function_file_addr,
                                        range.HighPC - range.LowPC));
       }
       block->FinalizeRanges();
@@ -1376,7 +1376,7 @@ size_t SymbolFileDWARF::ParseBlocksRecursive(CompileUnit &comp_unit,
 
       if (die.HasChildren()) {
         blocks_added += ParseBlocksRecursive(
-            comp_unit, block, die.GetFirstChild(), subprogram_low_pc);
+            comp_unit, block, die.GetFirstChild(), function_file_addr);
       }
     }
   }

lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h

@@ -391,7 +391,7 @@ class SymbolFileDWARF : public SymbolFileCommon {
   Function *ParseFunction(CompileUnit &comp_unit, const DWARFDIE &die);
 
   size_t ParseBlocksRecursive(CompileUnit &comp_unit, Block *parent_block,
-                              DWARFDIE die, lldb::addr_t subprogram_low_pc);
+                              DWARFDIE die, lldb::addr_t function_file_addr);
 
   size_t ParseTypes(const SymbolContext &sc, const DWARFDIE &die,
                     bool parse_siblings, bool parse_children);