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gdb: make dwarf2_find_containing_comp_unit take a dwarf2_per_bfd

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While reading another patch, I saw that this function didn't need to
take a dwarf2_per_objfile, but could take a dwarf2_per_bfd instead.
It doesn't change the behavior, but doing this shows that this function
is objfile-independent (can work with only the shared per-bfd data).

Change-Id: I58f9c9cef6688902e95226480285da2d0005d77f
This commit is contained in:
Simon Marchi 2021-11-08 16:40:59 -05:00
parent 313f3b21cb
commit d0490f89ad
1 changed files with 16 additions and 14 deletions
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30
gdb/dwarf2/read.c
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@ -1450,7 +1450,7 @@ static int partial_die_eq (const void *item_lhs, const void *item_rhs);
static struct dwarf2_per_cu_data *dwarf2_find_containing_comp_unit
(sect_offset sect_off, unsigned int offset_in_dwz,
dwarf2_per_objfile *per_objfile);
dwarf2_per_bfd *per_bfd);
static void prepare_one_comp_unit (struct dwarf2_cu *cu,
struct die_info *comp_unit_die,
@ -7732,7 +7732,8 @@ scan_partial_symbols (struct partial_die_info *first_die, CORE_ADDR *lowpc,
}
per_cu = dwarf2_find_containing_comp_unit
(pdi->d.sect_off, pdi->is_dwz, cu->per_objfile);
(pdi->d.sect_off, pdi->is_dwz,
cu->per_objfile->per_bfd);
/* Go read the partial unit, if needed. */
if (per_cu->v.psymtab == NULL)
@ -9612,7 +9613,8 @@ process_imported_unit_die (struct die_info *die, struct dwarf2_cu *cu)
bool is_dwz = (attr->form == DW_FORM_GNU_ref_alt || cu->per_cu->is_dwz);
dwarf2_per_objfile *per_objfile = cu->per_objfile;
dwarf2_per_cu_data *per_cu
= dwarf2_find_containing_comp_unit (sect_off, is_dwz, per_objfile);
= dwarf2_find_containing_comp_unit (sect_off, is_dwz,
per_objfile->per_bfd);
/* We're importing a C++ compilation unit with tag DW_TAG_compile_unit
into another compilation unit, at root level. Regard this as a hint,
@ -19542,7 +19544,7 @@ find_partial_die (sect_offset sect_off, int offset_in_dwz, struct dwarf2_cu *cu)
}
dwarf2_per_cu_data *per_cu
= dwarf2_find_containing_comp_unit (sect_off, offset_in_dwz,
per_objfile);
per_objfile->per_bfd);
cu = per_objfile->get_cu (per_cu);
if (cu == NULL || cu->partial_dies == NULL)
@ -22374,7 +22376,8 @@ lookup_die_type (struct die_info *die, const struct attribute *attr,
struct dwarf2_per_cu_data *per_cu;
sect_offset sect_off = attr->get_ref_die_offset ();
per_cu = dwarf2_find_containing_comp_unit (sect_off, 1, per_objfile);
per_cu = dwarf2_find_containing_comp_unit (sect_off, 1,
per_objfile->per_bfd);
this_type = get_die_type_at_offset (sect_off, per_cu, per_objfile);
}
else if (attr->form_is_ref ())
@ -23240,7 +23243,7 @@ follow_die_offset (sect_offset sect_off, int offset_in_dwz,
struct dwarf2_per_cu_data *per_cu;
per_cu = dwarf2_find_containing_comp_unit (sect_off, offset_in_dwz,
per_objfile);
per_objfile->per_bfd);
dwarf_read_debug_printf_v ("target CU offset: %s, "
"target CU DIEs loaded: %d",
@ -24472,12 +24475,11 @@ dwarf2_find_containing_comp_unit
static struct dwarf2_per_cu_data *
dwarf2_find_containing_comp_unit (sect_offset sect_off,
unsigned int offset_in_dwz,
dwarf2_per_objfile *per_objfile)
dwarf2_per_bfd *per_bfd)
{
int low = dwarf2_find_containing_comp_unit
(sect_off, offset_in_dwz, per_objfile->per_bfd->all_comp_units);
dwarf2_per_cu_data *this_cu
= per_objfile->per_bfd->all_comp_units[low].get ();
(sect_off, offset_in_dwz, per_bfd->all_comp_units);
dwarf2_per_cu_data *this_cu = per_bfd->all_comp_units[low].get ();
if (this_cu->is_dwz != offset_in_dwz || this_cu->sect_off > sect_off)
{
@ -24485,15 +24487,15 @@ dwarf2_find_containing_comp_unit (sect_offset sect_off,
error (_("Dwarf Error: could not find partial DIE containing "
"offset %s [in module %s]"),
sect_offset_str (sect_off),
bfd_get_filename (per_objfile->objfile->obfd));
bfd_get_filename (per_bfd->obfd));
gdb_assert (per_objfile->per_bfd->all_comp_units[low-1]->sect_off
gdb_assert (per_bfd->all_comp_units[low-1]->sect_off
<= sect_off);
return per_objfile->per_bfd->all_comp_units[low - 1].get ();
return per_bfd->all_comp_units[low - 1].get ();
}
else
{
if (low == per_objfile->per_bfd->all_comp_units.size () - 1
if (low == per_bfd->all_comp_units.size () - 1
&& sect_off >= this_cu->sect_off + this_cu->length)
error (_("invalid dwarf2 offset %s"), sect_offset_str (sect_off));
gdb_assert (sect_off < this_cu->sect_off + this_cu->length);