From: Cary Coutant <ccoutant@google.com>
Date: Mon, 1 Jul 2013 20:12:11 +0000 (+0000)
Subject: gold/
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=267257d249baacd6ca4452a02abcbc0ca62e4ba6;p=binutils-gdb.git

gold/
	* dwarf_reader.cc (Dwarf_ranges_table::read_ranges_table): Save
	reloc_type_.
	(Dwarf_ranges_table::read_range_list): Call lookup_reloc.
	(Dwarf_ranges_table::lookup_reloc): New function.
	* dwarf_reader.h (Dwarf_ranges_table::Dwarf_ranges_table): Initialize
	reloc_type_.
	(Dwarf_ranges_table::lookup_reloc): New function.
	(Dwarf_ranges_table::reloc_type_): New data member.
---

diff --git a/gold/ChangeLog b/gold/ChangeLog
index d719df427b9..3ca1cf7fee4 100644
--- a/gold/ChangeLog
+++ b/gold/ChangeLog
@@ -1,3 +1,14 @@
+2013-07-01  Cary Coutant  <ccoutant@google.com>
+
+	* dwarf_reader.cc (Dwarf_ranges_table::read_ranges_table): Save
+	reloc_type_.
+	(Dwarf_ranges_table::read_range_list): Call lookup_reloc.
+	(Dwarf_ranges_table::lookup_reloc): New function.
+	* dwarf_reader.h (Dwarf_ranges_table::Dwarf_ranges_table): Initialize
+	reloc_type_.
+	(Dwarf_ranges_table::lookup_reloc): New function.
+	(Dwarf_ranges_table::reloc_type_): New data member.
+
 2013-06-27  Jing Yu  <jingyu@google.com>
 
 	PR gold/15662
diff --git a/gold/dwarf_reader.cc b/gold/dwarf_reader.cc
index 6b01b7fc95a..4233954d178 100644
--- a/gold/dwarf_reader.cc
+++ b/gold/dwarf_reader.cc
@@ -374,6 +374,7 @@ Dwarf_ranges_table::read_ranges_table(
   this->ranges_reloc_mapper_ = make_elf_reloc_mapper(object, symtab,
 						     symtab_size);
   this->ranges_reloc_mapper_->initialize(reloc_shndx, reloc_type);
+  this->reloc_type_ = reloc_type;
 
   return true;
 }
@@ -430,11 +431,8 @@ Dwarf_ranges_table::read_range_list(
       unsigned int shndx2 = 0;
       if (this->ranges_reloc_mapper_ != NULL)
         {
-	  shndx1 =
-	      this->ranges_reloc_mapper_->get_reloc_target(offset, &start);
-	  shndx2 =
-	      this->ranges_reloc_mapper_->get_reloc_target(offset + addr_size,
-							   &end);
+	  shndx1 = this->lookup_reloc(offset, &start);
+	  shndx2 = this->lookup_reloc(offset + addr_size, &end);
         }
 
       // End of list is marked by a pair of zeroes.
@@ -460,6 +458,24 @@ Dwarf_ranges_table::read_range_list(
   return ranges;
 }
 
+// Look for a relocation at offset OFF in the range table,
+// and return the section index and offset of the target.
+
+unsigned int
+Dwarf_ranges_table::lookup_reloc(off_t off, off_t* target_off)
+{
+  off_t value;
+  unsigned int shndx =
+      this->ranges_reloc_mapper_->get_reloc_target(off, &value);
+  if (shndx == 0)
+    return 0;
+  if (this->reloc_type_ == elfcpp::SHT_REL)
+    *target_off += value;
+  else
+    *target_off = value;
+  return shndx;
+}
+
 // class Dwarf_pubnames_table
 
 // Read the pubnames section SHNDX from the object file.
diff --git a/gold/dwarf_reader.h b/gold/dwarf_reader.h
index 13d278a8e24..9ee483c35c1 100644
--- a/gold/dwarf_reader.h
+++ b/gold/dwarf_reader.h
@@ -338,7 +338,7 @@ class Dwarf_ranges_table
   Dwarf_ranges_table(Dwarf_info_reader* dwinfo)
     : dwinfo_(dwinfo), ranges_shndx_(0), ranges_buffer_(NULL),
       ranges_buffer_end_(NULL), owns_ranges_buffer_(false),
-      ranges_reloc_mapper_(NULL), output_section_offset_(0)
+      ranges_reloc_mapper_(NULL), reloc_type_(0), output_section_offset_(0)
   { }
 
   ~Dwarf_ranges_table()
@@ -365,6 +365,11 @@ class Dwarf_ranges_table
 		  unsigned int ranges_shndx,
 		  off_t ranges_offset);
 
+  // Look for a relocation at offset OFF in the range table,
+  // and return the section index and offset of the target.
+  unsigned int
+  lookup_reloc(off_t off, off_t* target_off);
+
  private:
   // The Dwarf_info_reader, for reading data.
   Dwarf_info_reader* dwinfo_;
@@ -377,6 +382,8 @@ class Dwarf_ranges_table
   bool owns_ranges_buffer_;
   // Relocation mapper for the .debug_ranges section.
   Elf_reloc_mapper* ranges_reloc_mapper_;
+  // Type of the relocation section (SHT_REL or SHT_RELA).
+  unsigned int reloc_type_;
   // 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