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Pre-read DWZ section data

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This changes the DWZ code to pre-read the section data and somewhat
simplify the DWZ API.  This makes it easier to add the bfd_cache_close
call to the new dwarf2_read_dwz_file function -- after this is done,
there shouldn't be a reason to keep the BFD's file descriptor open.
This commit is contained in:
Tom Tromey
2023-11-10 15:52:19 -07:00
parent 3c2f688e70
commit a37fbcfec5
6 changed files with 56 additions and 67 deletions
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13
gdb/dwarf2/read.c
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@@ -3201,7 +3201,7 @@ dwarf2_initialize_objfile (struct objfile *objfile)
main thread. */
try
{
dwarf2_get_dwz_file (per_bfd);
dwarf2_read_dwz_file (per_objfile);
}
catch (const gdb_exception_error &err)
{
@@ -5101,7 +5101,7 @@ finalize_all_units (dwarf2_per_bfd *per_bfd)
/* See read.h. */
void
create_all_units (dwarf2_per_objfile *per_objfile, bool pre_read_p)
create_all_units (dwarf2_per_objfile *per_objfile)
{
htab_up types_htab;
gdb_assert (per_objfile->per_bfd->all_units.empty ());
@@ -5117,15 +5117,6 @@ create_all_units (dwarf2_per_objfile *per_objfile, bool pre_read_p)
dwz_file *dwz = dwarf2_get_dwz_file (per_objfile->per_bfd);
if (dwz != NULL)
{
if (pre_read_p)
{
/* Pre-read the sections we'll need to construct an index. */
struct objfile *objfile = per_objfile->objfile;
dwz->abbrev.read (objfile);
dwz->info.read (objfile);
dwz->str.read (objfile);
dwz->line.read (objfile);
}
read_comp_units_from_section (per_objfile, &dwz->info, &dwz->abbrev, 1,
types_htab, rcuh_kind::COMPILE);