unittests: fix -Wnarrowing build errors

src/common/dwarf_cu_to_module.h

 // -*- mode: c++ -*-
 
 // Copyright (c) 2010 Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
@@ skipping 21 matching lines @@
 // Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com>
 
 // Add DWARF debugging information to a Breakpad symbol file. This
 // file defines the DwarfCUToModule class, which accepts parsed DWARF
 // data and populates a google_breakpad::Module with the results; the
 // Module can then write its contents as a Breakpad symbol file.
 
 #ifndef COMMON_LINUX_DWARF_CU_TO_MODULE_H__
 #define COMMON_LINUX_DWARF_CU_TO_MODULE_H__
 
+#include <stdint.h>
+
 #include <string>
 
 #include "common/language.h"
 #include "common/module.h"
 #include "common/dwarf/bytereader.h"
 #include "common/dwarf/dwarf2diehandler.h"
 #include "common/dwarf/dwarf2reader.h"
 #include "common/scoped_ptr.h"
 #include "common/using_std_string.h"
 
@@ skipping 25 matching lines @@
   // to true to handle debugging symbols with DW_FORM_ref_addr entries.
   class FileContext {
    public:
     FileContext(const string &filename,
                 Module *module,
                 bool handle_inter_cu_refs);
     ~FileContext();
 
     // Add CONTENTS of size LENGTH to the section map as NAME.
     void AddSectionToSectionMap(const string& name,
-                                const char* contents,
+                                const uint8_t *contents,
                                 uint64 length);
 
     // Clear the section map for testing.
     void ClearSectionMapForTest();
 
     const dwarf2reader::SectionMap& section_map() const;
 
    private:
     friend class DwarfCUToModule;
 
@@ skipping 35 matching lines @@
     // Called at the beginning of a new compilation unit, prior to calling
     // ReadProgram(). compilation_dir will indicate the path that the
     // current compilation unit was compiled in, consistent with the
     // DW_AT_comp_dir DIE.
     virtual void StartCompilationUnit(const string& compilation_dir) = 0;
 
     // Populate MODULE and LINES with source file names and code/line
     // mappings, given a pointer to some DWARF line number data
     // PROGRAM, and an overestimate of its size. Add no zero-length
     // lines to LINES.
-    virtual void ReadProgram(const char *program, uint64 length,
+    virtual void ReadProgram(const uint8_t *program, uint64 length,
                              Module *module, vector<Module::Line> *lines) = 0;
   };
 
   // The interface DwarfCUToModule uses to report warnings. The member
   // function definitions for this class write messages to stderr, but
   // you can override them if you'd like to detect or report these
   // conditions yourself.
   class WarningReporter {
    public:
     // Warn about problems in the DWARF file FILENAME, in the
@@ skipping 155 matching lines @@
 
   // The line numbers we have seen thus far.  We accumulate these here
   // during parsing.  Then, in Finish, we call AssignLinesToFunctions
   // to dole them out to the appropriate functions.
   vector<Module::Line> lines_;
 };
 
 }  // namespace google_breakpad
 
 #endif  // COMMON_LINUX_DWARF_CU_TO_MODULE_H__