gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gold / dwarf_reader.h

diff --git a/gold/dwarf_reader.h b/gold/dwarf_reader.h
index 8dd62ad450dc4332bb892d80b4a0cb3424a6aa27..9b140e7878ebc2eda9f05ebfb73706a625b8427b 100644 (file)
--- a/gold/dwarf_reader.h
+++ b/gold/dwarf_reader.h
@@ -1,6 +1,6 @@
 // dwarf_reader.h -- parse dwarf2/3 debug information for gold  -*- C++ -*-
 
-// Copyright (C) 2007-2014 Free Software Foundation, Inc.
+// Copyright (C) 2007-2020 Free Software Foundation, Inc.
 // Written by Ian Lance Taylor <iant@google.com>.
 
 // This file is part of gold.
@@ -401,7 +401,7 @@ class Dwarf_pubnames_table
     : dwinfo_(dwinfo), buffer_(NULL), buffer_end_(NULL), owns_buffer_(false),
       offset_size_(0), pinfo_(NULL), end_of_table_(NULL),
       is_pubtypes_(is_pubtypes), is_gnu_style_(false),
-      output_section_offset_(0), unit_length_(0), cu_offset_(0)
+      unit_length_(0), cu_offset_(0)
   { }
 
   ~Dwarf_pubnames_table()
@@ -455,11 +455,6 @@ class Dwarf_pubnames_table
   // Gnu-style pubnames table. This style has an extra flag byte between the
   // offset and the name, and is used for generating version 7 of gdb-index.
   bool is_gnu_style_;
-  // For incremental update links, this will hold the offset of the
-  // input section within the output section.  Offsets read from
-  // relocated data will be relative to the output section, and need
-  // to be corrected before reading data from the input section.
-  uint64_t output_section_offset_;
   // Fields read from the header.
   uint64_t unit_length_;
   off_t cu_offset_;
@@ -769,6 +764,13 @@ class Dwarf_info_reader
   address_size() const
   { return this->address_size_; }
 
+  // Return the size of a DW_FORM_ref_addr.
+  // In DWARF v2, this was the size of an address; in DWARF v3 and later,
+  // it is the size of an DWARF offset.
+  unsigned int
+  ref_addr_size() const
+  { return this->cu_version_ > 2 ? this->offset_size_ : this->address_size_; }
+
   // Set the section index of the .debug_abbrev section.
   // We use this if there are no relocations for the .debug_info section.
   // If not set, the code parse() routine will search for the section by name.
@@ -1068,7 +1070,8 @@ class Sized_dwarf_line_info : public Dwarf_line_info
     off_t total_length;
     int version;
     off_t prologue_length;
-    int min_insn_length; // insn stands for instructin
+    int min_insn_length; // insn stands for instruction
+    int max_ops_per_insn; // Added in DWARF-4.
     bool default_is_stmt; // stmt stands for statement
     signed char line_base;
     int line_range;