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Remove objfile parameter from abbrev_table::read

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In a longer series that I am working on, I needed to remove the
objfile parameter from abbrev_table::read.  It seemed to me that this
was a simple and relatively harmless patch, so I'm sending it now.

gdb/ChangeLog
2020-11-05  Tom Tromey  <tom@tromey.com>

	* dwarf2/read.c (read_cutu_die_from_dwo)
	(cutu_reader::cutu_reader, cutu_reader::cutu_reader)
	(build_type_psymtabs_1): Update.
	* dwarf2/abbrev.h (struct abbrev_table): Remove objfile
	parameter.
	* dwarf2/abbrev.c (abbrev_table::read): Remove objfile parameter.
	Don't read section.  Add assert.
This commit is contained in:
Tom Tromey 2020-11-05 18:27:43 -07:00
parent 7ef63c9507
commit 606decb27e
4 changed files with 26 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
gdb/ChangeLog
View File

@ -1,3 +1,13 @@
2020-11-05 Tom Tromey <tom@tromey.com>
* dwarf2/read.c (read_cutu_die_from_dwo)
(cutu_reader::cutu_reader, cutu_reader::cutu_reader)
(build_type_psymtabs_1): Update.
* dwarf2/abbrev.h (struct abbrev_table): Remove objfile
parameter.
* dwarf2/abbrev.c (abbrev_table::read): Remove objfile parameter.
Don't read section. Add assert.
2020-11-04 Tom Tromey <tromey@adacore.com>
* ada-typeprint.c (ada_print_type): Handle __XVL fields.

6
gdb/dwarf2/abbrev.c
View File

@ -91,8 +91,7 @@ abbrev_table::add_abbrev (struct abbrev_info *abbrev)
/* Read in an abbrev table. */
abbrev_table_up
abbrev_table::read (struct objfile *objfile,
struct dwarf2_section_info *section,
abbrev_table::read (struct dwarf2_section_info *section,
sect_offset sect_off)
{
bfd *abfd = section->get_bfd_owner ();
@ -104,7 +103,8 @@ abbrev_table::read (struct objfile *objfile,
abbrev_table_up abbrev_table (new struct abbrev_table (sect_off));
section->read (objfile);
/* Caller must ensure this. */
gdb_assert (section->readin);
abbrev_ptr = section->buffer + to_underlying (sect_off);
abbrev_number = read_unsigned_leb128 (abfd, abbrev_ptr, &bytes_read);
abbrev_ptr += bytes_read;

7
gdb/dwarf2/abbrev.h
View File

@ -55,8 +55,11 @@ typedef std::unique_ptr<struct abbrev_table> abbrev_table_up;
struct abbrev_table
{
static abbrev_table_up read (struct objfile *objfile,
struct dwarf2_section_info *section,
/* Read an abbrev table from the indicated section, at the given
offset. The caller is responsible for ensuring that the section
has already been read. */
static abbrev_table_up read (struct dwarf2_section_info *section,
sect_offset sect_off);
/* Look up an abbrev in the table.

16
gdb/dwarf2/read.c
View File

@ -6926,9 +6926,9 @@ read_cutu_die_from_dwo (dwarf2_cu *cu,
dwo_unit->length = cu->header.get_length ();
}
dwo_abbrev_section->read (objfile);
*result_dwo_abbrev_table
= abbrev_table::read (objfile, dwo_abbrev_section,
cu->header.abbrev_sect_off);
= abbrev_table::read (dwo_abbrev_section, cu->header.abbrev_sect_off);
init_cu_die_reader (result_reader, cu, section, dwo_unit->dwo_file,
result_dwo_abbrev_table->get ());
@ -7216,9 +7216,9 @@ cutu_reader::cutu_reader (dwarf2_per_cu_data *this_cu,
gdb_assert (cu->header.abbrev_sect_off == abbrev_table->sect_off);
else
{
abbrev_section->read (objfile);
m_abbrev_table_holder
= abbrev_table::read (objfile, abbrev_section,
cu->header.abbrev_sect_off);
= abbrev_table::read (abbrev_section, cu->header.abbrev_sect_off);
abbrev_table = m_abbrev_table_holder.get ();
}
@ -7360,9 +7360,9 @@ cutu_reader::cutu_reader (dwarf2_per_cu_data *this_cu,
return;
}
abbrev_section->read (objfile);
m_abbrev_table_holder
= abbrev_table::read (objfile, abbrev_section,
m_new_cu->header.abbrev_sect_off);
= abbrev_table::read (abbrev_section, m_new_cu->header.abbrev_sect_off);
init_cu_die_reader (this, m_new_cu.get (), section, dwo_file,
m_abbrev_table_holder.get ());
@ -7862,9 +7862,9 @@ build_type_psymtabs_1 (dwarf2_per_objfile *per_objfile)
|| tu.abbrev_offset != abbrev_offset)
{
abbrev_offset = tu.abbrev_offset;
per_objfile->per_bfd->abbrev.read (per_objfile->objfile);
abbrev_table =
abbrev_table::read (per_objfile->objfile,
&per_objfile->per_bfd->abbrev, abbrev_offset);
abbrev_table::read (&per_objfile->per_bfd->abbrev, abbrev_offset);
++tu_stats->nr_uniq_abbrev_tables;
}