MatCat.OpenSource/8sa1-binutils-gdb
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Change how DWARF index writer finds address map

Browse Source 
This changes the DWARF index writer to find the psymtab address map in
the per_bfd object, rather than go via the objfile.

gdb/ChangeLog
2021-03-20  Tom Tromey  <tom@tromey.com>

	* dwarf2/index-write.c (struct addrmap_index_data) <objfile>:
	Remove.
	(add_address_entry): Remove objfile parameter.
	(add_address_entry_worker): Update.
	(write_address_map): Replace objfile parameter with per_bfd.
	(write_gdbindex, write_psymtabs_to_index): Update.
This commit is contained in:
Tom Tromey 2021-03-20 17:23:40 -06:00
parent 4829711b6b
commit 79cc99f69b
2 changed files with 19 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
gdb/ChangeLog
View File

@ -1,3 +1,12 @@
2021-03-20 Tom Tromey <tom@tromey.com>
* dwarf2/index-write.c (struct addrmap_index_data) <objfile>:
Remove.
(add_address_entry): Remove objfile parameter.
(add_address_entry_worker): Update.
(write_address_map): Replace objfile parameter with per_bfd.
(write_gdbindex, write_psymtabs_to_index): Update.
2021-03-20 Tom Tromey <tom@tromey.com>
* dwarf2/read.c (dwarf2_base_index_functions::print_stats): Add

21
gdb/dwarf2/index-write.c
View File

@ -413,7 +413,6 @@ struct addrmap_index_data
: addr_vec (addr_vec_), cu_index_htab (cu_index_htab_)
{}
struct objfile *objfile;
data_buf &addr_vec;
psym_index_map &cu_index_htab;
@ -430,7 +429,7 @@ struct addrmap_index_data
/* Write an address entry to ADDR_VEC. */
static void
add_address_entry (struct objfile *objfile, data_buf &addr_vec,
add_address_entry (data_buf &addr_vec,
CORE_ADDR start, CORE_ADDR end, unsigned int cu_index)
{
addr_vec.append_uint (8, BFD_ENDIAN_LITTLE, start);
@ -447,7 +446,7 @@ add_address_entry_worker (void *datap, CORE_ADDR start_addr, void *obj)
partial_symtab *pst = (partial_symtab *) obj;
if (data->previous_valid)
add_address_entry (data->objfile, data->addr_vec,
add_address_entry (data->addr_vec,
data->previous_cu_start, start_addr,
data->previous_cu_index);
@ -465,12 +464,12 @@ add_address_entry_worker (void *datap, CORE_ADDR start_addr, void *obj)
return 0;
}
/* Write OBJFILE's address map to ADDR_VEC.
/* Write PER_BFD's address map to ADDR_VEC.
CU_INDEX_HTAB is used to map addrmap entries to their CU indices
in the index file. */
static void
write_address_map (struct objfile *objfile, data_buf &addr_vec,
write_address_map (dwarf2_per_bfd *per_bfd, data_buf &addr_vec,
psym_index_map &cu_index_htab)
{
struct addrmap_index_data addrmap_index_data (addr_vec, cu_index_htab);
@ -479,10 +478,9 @@ write_address_map (struct objfile *objfile, data_buf &addr_vec,
the addrmap iterator only provides the start of a region; we have to
wait until the next invocation to get the start of the next region. */
addrmap_index_data.objfile = objfile;
addrmap_index_data.previous_valid = 0;
addrmap_foreach (objfile->partial_symtabs->psymtabs_addrmap,
addrmap_foreach (per_bfd->partial_symtabs->psymtabs_addrmap,
add_address_entry_worker, &addrmap_index_data);
/* It's highly unlikely the last entry (end address = 0xff...ff)
@ -491,7 +489,7 @@ write_address_map (struct objfile *objfile, data_buf &addr_vec,
doesn't work here. To cope we pass 0xff...ff, this is a rare situation
anyway. */
if (addrmap_index_data.previous_valid)
add_address_entry (objfile, addr_vec,
add_address_entry (addr_vec,
addrmap_index_data.previous_cu_start, (CORE_ADDR) -1,
addrmap_index_data.previous_cu_index);
}
@ -1463,7 +1461,7 @@ write_gdbindex (dwarf2_per_objfile *per_objfile, FILE *out_file,
/* Dump the address map. */
data_buf addr_vec;
write_address_map (objfile, addr_vec, cu_index_htab);
write_address_map (per_objfile->per_bfd, addr_vec, cu_index_htab);
/* Write out the .debug_type entries, if any. */
data_buf types_cu_list;
@ -1686,6 +1684,7 @@ write_psymtabs_to_index (dwarf2_per_objfile *per_objfile, const char *dir,
const char *basename, const char *dwz_basename,
dw_index_kind index_kind)
{
dwarf2_per_bfd *per_bfd = per_objfile->per_bfd;
struct objfile *objfile = per_objfile->objfile;
if (per_objfile->per_bfd->using_index)
@ -1694,8 +1693,8 @@ write_psymtabs_to_index (dwarf2_per_objfile *per_objfile, const char *dir,
if (per_objfile->per_bfd->types.size () > 1)
error (_("Cannot make an index when the file has multiple .debug_types sections"));
if (!objfile->partial_symtabs->psymtabs
|| !objfile->partial_symtabs->psymtabs_addrmap)
if (!per_bfd->partial_symtabs->psymtabs
|| !per_bfd->partial_symtabs->psymtabs_addrmap)
return;
struct stat st;