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Move die_type_hash to dwarf2_per_objfile

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The die_type_hash field can't be shared between multiple obfiles, as it
holds `struct type` objects, which are objfile-specific.  Move it from
dwarf2_per_bfd to dwarf2_per_objfile and update all references.

gdb/ChangeLog:

	* dwarf2/read.h (struct dwarf2_per_bfd) <die_type_hash>: Move to
	struct dwarf2_per_objfile.
	(struct dwarf2_per_objfile) <die_type_hash>: Move from struct
	dwarf2_per_bfd.
	* dwarf2/read.c (set_die_type): Update.
	(get_die_type_at_offset): Update.
This commit is contained in:
Simon Marchi
2020-02-24 23:39:47 -05:00
parent 60684704c1
commit 35f1c44ab7
2 changed files with 10 additions and 10 deletions
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10
gdb/dwarf2/read.c
View File

@@ -23717,8 +23717,8 @@ set_die_type (struct die_info *die, struct type *type, struct dwarf2_cu *cu)
cu->per_cu->addr_type ()))
type->add_dyn_prop (DYN_PROP_DATA_LOCATION, prop);
if (dwarf2_per_objfile->per_bfd->die_type_hash == NULL)
dwarf2_per_objfile->per_bfd->die_type_hash
if (dwarf2_per_objfile->die_type_hash == NULL)
dwarf2_per_objfile->die_type_hash
= htab_up (htab_create_alloc (127,
per_cu_offset_and_type_hash,
per_cu_offset_and_type_eq,
@@ -23728,7 +23728,7 @@ set_die_type (struct die_info *die, struct type *type, struct dwarf2_cu *cu)
ofs.sect_off = die->sect_off;
ofs.type = type;
slot = (struct dwarf2_per_cu_offset_and_type **)
htab_find_slot (dwarf2_per_objfile->per_bfd->die_type_hash.get (), &ofs, INSERT);
htab_find_slot (dwarf2_per_objfile->die_type_hash.get (), &ofs, INSERT);
if (*slot)
complaint (_("A problem internal to GDB: DIE %s has type already set"),
sect_offset_str (die->sect_off));
@@ -23748,13 +23748,13 @@ get_die_type_at_offset (sect_offset sect_off,
struct dwarf2_per_cu_offset_and_type *slot, ofs;
struct dwarf2_per_objfile *dwarf2_per_objfile = per_cu->dwarf2_per_objfile;
if (dwarf2_per_objfile->per_bfd->die_type_hash == NULL)
if (dwarf2_per_objfile->die_type_hash == NULL)
return NULL;
ofs.per_cu = per_cu;
ofs.sect_off = sect_off;
slot = ((struct dwarf2_per_cu_offset_and_type *)
htab_find (dwarf2_per_objfile->per_bfd->die_type_hash.get (), &ofs));
htab_find (dwarf2_per_objfile->die_type_hash.get (), &ofs));
if (slot)
return slot->type;
else

10
gdb/dwarf2/read.h
View File

@@ -229,11 +229,6 @@ public:
symbols. */
bool reading_partial_symbols = false;
/* Table mapping type DIEs to their struct type *.
This is NULL if not allocated yet.
The mapping is done via (CU/TU + DIE offset) -> type. */
htab_up die_type_hash;
/* The CUs we recently read. */
std::vector<dwarf2_per_cu_data *> just_read_cus;
@@ -310,6 +305,11 @@ struct dwarf2_per_objfile
other objfiles backed by the same BFD. */
struct dwarf2_per_bfd *per_bfd;
/* Table mapping type DIEs to their struct type *.
This is nullptr if not allocated yet.
The mapping is done via (CU/TU + DIE offset) -> type. */
htab_up die_type_hash;
private:
/* Hold the corresponding compunit_symtab for each CU or TU. This
is indexed by dwarf2_per_cu_data::index. A NULL value means