From: Mark Wielaard <mjw@redhat.com>
Date: Sun, 3 Apr 2011 18:14:50 +0000 (+0200)
Subject: Add minimal support for DW_TAG_GNU_template.
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=08d9e8df629fc5553af7df32e82a56a7542ad03b;p=thirdparty%2Felfutils.git

Add minimal support for DW_TAG_GNU_template.

http://gcc.gnu.org/wiki/TemplateParmsDwarf describes
DW_TAG_GNU_template_template_param, DW_TAG_GNU_template_parameter_pack,
DW_TAG_GNU_formal_parameter_pack and DW_AT_GNU_template_name.
Added to libdw/c++/dwarf-knowledge.cc, dwarflint/expected-at.cc and
dwarflint/dwarf_gnu.cc
---

diff --git a/dwarflint/dwarf_gnu.cc b/dwarflint/dwarf_gnu.cc
index b70a6d2d5..2d29f1184 100644
--- a/dwarflint/dwarf_gnu.cc
+++ b/dwarflint/dwarf_gnu.cc
@@ -68,7 +68,8 @@ namespace
       // http://gcc.gnu.org/wiki/DwarfSeparateTypeInfo
       add (const_attribute (DW_AT_GNU_odr_signature));
 
-      add (string_attribute (DW_AT_GNU_template_name)); // xxx ???
+      // http://gcc.gnu.org/wiki/TemplateParmsDwarf
+      add (string_attribute (DW_AT_GNU_template_name));
 
       // GNU extensions for representation of call sites
       // http://www.dwarfstd.org/ShowIssue.php?issue=100909.2
diff --git a/dwarflint/expected-at.cc b/dwarflint/expected-at.cc
index 70f139088..7a433c722 100644
--- a/dwarflint/expected-at.cc
+++ b/dwarflint/expected-at.cc
@@ -788,4 +788,23 @@ expected_at_map::expected_at_map ()
     .optional (DW_AT_sibling)
     .optional (DW_AT_type)
     ;
+
+  // http://gcc.gnu.org/wiki/TemplateParmsDwarf
+  m_map [DW_TAG_GNU_template_template_param]
+    .required (DW_AT_name)
+    .required (DW_AT_GNU_template_name)
+    ;
+
+  m_map [DW_TAG_GNU_template_parameter_pack]
+    .optional (at_set_decl)
+    .optional (DW_AT_name)
+    .optional (DW_AT_sibling)
+    ;
+
+  m_map [DW_TAG_GNU_formal_parameter_pack]
+    .optional (at_set_decl)
+    .optional (DW_AT_name)
+    .optional (DW_AT_sibling)
+    ;
+
 }
diff --git a/libdw/c++/dwarf-knowledge.cc b/libdw/c++/dwarf-knowledge.cc
index c38a1691d..c49e6189b 100644
--- a/libdw/c++/dwarf-knowledge.cc
+++ b/libdw/c++/dwarf-knowledge.cc
@@ -162,6 +162,7 @@ expected_value_space (int attr, int tag)
 
     case DW_AT_linkage_name:
     case DW_AT_MIPS_linkage_name:
+    case DW_AT_GNU_template_name:
       return VS(identifier);
 
     case DW_AT_GNU_odr_signature: