Remove die_reader_specs::comp_dir

die_reader_specs::comp_dir is assigned but never read; this patch
removes it.

gdb/ChangeLog
2020-02-08  Tom Tromey  <tom@tromey.com>

	* dwarf2read.c (struct die_reader_specs) <comp_dir>: Remove.
	(init_cu_die_reader, read_cutu_die_from_dwo): Update.

Change-Id: I9818a2593197a6972cddec23cd2f3dd0ce28f580

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index c3e86da09c21765a5ac03935cb060e2339127c77..15a85a6e35dc55b228533f80e3f727116e85e9b6 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2020-02-08  Tom Tromey  <tom@tromey.com>
+
+       * dwarf2read.c (struct die_reader_specs) <comp_dir>: Remove.
+       (init_cu_die_reader, read_cutu_die_from_dwo): Update.
+
 2020-02-08  Tom Tromey  <tom@tromey.com>
 
        * dwarf2read.h (struct die_info): Don't declare.

diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c
index 7a9de41e7d8357a185f52efdd5c258bf7e888fdf..05311974793754c4d5dc5583cd46f4214dc64d21 100644 (file)
--- a/gdb/dwarf2read.c
+++ b/gdb/dwarf2read.c
@@ -903,9 +903,6 @@ struct die_reader_specs
   /* The end of the buffer.  */
   const gdb_byte *buffer_end;
 
-  /* The value of the DW_AT_comp_dir attribute.  */
-  const char *comp_dir;
-
   /* The abbreviation table to use when reading the DIEs.  */
   struct abbrev_table *abbrev_table;
 };
@@ -6914,7 +6911,6 @@ init_cu_die_reader (struct die_reader_specs *reader,
   reader->die_section = section;
   reader->buffer = section->buffer;
   reader->buffer_end = section->buffer + section->size;
-  reader->comp_dir = NULL;
   reader->abbrev_table = abbrev_table;
 }
 
@@ -7096,13 +7092,6 @@ read_cutu_die_from_dwo (struct dwarf2_per_cu_data *this_cu,
       dump_die (comp_unit_die, dwarf_die_debug);
     }
 
-  /* Save the comp_dir attribute.  If there is no DWP file then we'll read
-     TUs by skipping the stub and going directly to the entry in the DWO file.
-     However, skipping the stub means we won't get DW_AT_comp_dir, so we have
-     to get it via circuitous means.  Blech.  */
-  if (comp_dir != NULL)
-    result_reader->comp_dir = DW_STRING (comp_dir);
-
   /* Skip dummy compilation units.  */
   if (info_ptr >= begin_info_ptr + dwo_unit->length
       || peek_abbrev_code (abfd, info_ptr) == 0)