Cary Coutant ccoutant@google.com
Wed Nov 26 22:48:00 GMT 2014

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This patch adds .debug_gdb_scripts, .debug_gnu_pubnames,
.debug_gnu_pubtypes, and .debug_str_offsets to the lists of sections
to strip or keep when stripping debug info.

When using --strip-debug-gdb, we want to keep .debug_gdb_scripts and
.debug_str_offsets, but we want to strip .debug_gnu_pubnames and
.debug_gnu_pubtypes.

When using --strip-debug-non-line, we want to keep .debug_str_offsets
(a new section in DWARF v5, not yet used in any .o files). I've added
the other sections, commented out, to the list for completeness.

-cary


2014-11-26  Cary Coutant  <ccoutant@google.com>

gold/
        * layout.cc (gdb_sections): Keep .debug_gdb_scripts and
        .debug_str_offsets; strip .debug_gnu_pubnames and
        .debug_gnu_pubtypes.
        (lines_only_debug_sections): Strip all four new sections.


diff --git a/gold/layout.cc b/gold/layout.cc
index 7cbbe39..4e60f8e 100644
--- a/gold/layout.cc
+++ b/gold/layout.cc
@@ -524,6 +524,7 @@ static const char* gdb_sections[] =
   "addr",         // Fission extension
   // "aranges",   // not used by gdb as of 7.4
   "frame",
+  "gdb_scripts",
   "info",
   "types",
   "line",
@@ -532,8 +533,11 @@ static const char* gdb_sections[] =
   "macro",
   // "pubnames",  // not used by gdb as of 7.4
   // "pubtypes",  // not used by gdb as of 7.4
+  // "gnu_pubnames",  // Fission extension
+  // "gnu_pubtypes",  // Fission extension
   "ranges",
   "str",
+  "str_offsets",
 };

 // This is the minimum set of sections needed for line numbers.
@@ -544,6 +548,7 @@ static const char* lines_only_debug_sections[] =
   // "addr",      // Fission extension
   // "aranges",   // not used by gdb as of 7.4
   // "frame",
+  // "gdb_scripts",
   "info",
   // "types",
   "line",
@@ -552,8 +557,11 @@ static const char* lines_only_debug_sections[] =
   // "macro",
   // "pubnames",  // not used by gdb as of 7.4
   // "pubtypes",  // not used by gdb as of 7.4
+  // "gnu_pubnames",  // Fission extension
+  // "gnu_pubtypes",  // Fission extension
   // "ranges",
   "str",
+  "str_offsets",  // Fission extension
 };

 // These sections are the DWARF fast-lookup tables, and are not needed

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