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Remove die_reader_specs::comp_dir

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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
This commit is contained in:
Tom Tromey
2020-02-08 13:40:54 -07:00
parent 1eba2311e1
commit 9e35d49961
2 changed files with 5 additions and 11 deletions
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5
gdb/ChangeLog
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@ -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> 2020-02-08 Tom Tromey <tom@tromey.com>
* dwarf2read.h (struct die_info): Don't declare. * dwarf2read.h (struct die_info): Don't declare.

11
gdb/dwarf2read.c
View File

@ -903,9 +903,6 @@ struct die_reader_specs
/* The end of the buffer. */ /* The end of the buffer. */
const gdb_byte *buffer_end; 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. */ /* The abbreviation table to use when reading the DIEs. */
struct abbrev_table *abbrev_table; struct abbrev_table *abbrev_table;
}; };
@ -6914,7 +6911,6 @@ init_cu_die_reader (struct die_reader_specs *reader,
reader->die_section = section; reader->die_section = section;
reader->buffer = section->buffer; reader->buffer = section->buffer;
reader->buffer_end = section->buffer + section->size; reader->buffer_end = section->buffer + section->size;
reader->comp_dir = NULL;
reader->abbrev_table = abbrev_table; 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); 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. */ /* Skip dummy compilation units. */
if (info_ptr >= begin_info_ptr + dwo_unit->length if (info_ptr >= begin_info_ptr + dwo_unit->length
|| peek_abbrev_code (abfd, info_ptr) == 0) || peek_abbrev_code (abfd, info_ptr) == 0)