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[gdb/symtab] C++-ify call_site

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- add constructor
- add member function call_site::pc ()

Tested on x86_64-linux.

Co-Authored-By: Tom de Vries <tdevries@suse.de>
This commit is contained in:
Simon Marchi 2021-10-04 18:16:40 +02:00 • committed by Tom de Vries
parent 0dd8295da2
commit b84aaadaf8
6 changed files with 76 additions and 50 deletions
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27
gdb/dwarf2/read.c
View file

@ -13341,7 +13341,6 @@ read_call_site_scope (struct die_info *die, struct dwarf2_cu *cu)
struct gdbarch *gdbarch = objfile->arch ();
CORE_ADDR pc, baseaddr;
struct attribute *attr;
struct call_site *call_site, call_site_local;
void **slot;
int nparams;
struct die_info *child_die;
@ -13366,10 +13365,11 @@ read_call_site_scope (struct die_info *die, struct dwarf2_cu *cu)
pc = gdbarch_adjust_dwarf2_addr (gdbarch, pc);
if (cu->call_site_htab == NULL)
cu->call_site_htab = htab_create_alloc_ex (16, call_site_hash, call_site_eq,
NULL, &objfile->objfile_obstack,
cu->call_site_htab = htab_create_alloc_ex (16, call_site::hash,
call_site::eq, NULL,
&objfile->objfile_obstack,
hashtab_obstack_allocate, NULL);
call_site_local.pc = pc;
struct call_site call_site_local (pc, nullptr, nullptr);
slot = htab_find_slot (cu->call_site_htab, &call_site_local, INSERT);
if (*slot != NULL)
{
@ -13399,14 +13399,16 @@ read_call_site_scope (struct die_info *die, struct dwarf2_cu *cu)
nparams++;
}
call_site
= ((struct call_site *)
obstack_alloc (&objfile->objfile_obstack,
sizeof (*call_site)
+ (sizeof (*call_site->parameter) * (nparams - 1))));
struct call_site *call_site
= new (XOBNEWVAR (&objfile->objfile_obstack,
struct call_site,
sizeof (*call_site) + sizeof (call_site->parameter[0]) * nparams))
struct call_site (pc, cu->per_cu, per_objfile);
*slot = call_site;
memset (call_site, 0, sizeof (*call_site) - sizeof (*call_site->parameter));
call_site->pc = pc;
/* We never call the destructor of call_site, so we must ensure it is
trivially destructible. */
gdb_static_assert(std::is_trivially_destructible<struct call_site>::value);
if (dwarf2_flag_true_p (die, DW_AT_call_tail_call, cu)
|| dwarf2_flag_true_p (die, DW_AT_GNU_tail_call, cu))
@ -13527,9 +13529,6 @@ read_call_site_scope (struct die_info *die, struct dwarf2_cu *cu)
"block nor reference, for DIE %s [in module %s]"),
sect_offset_str (die->sect_off), objfile_name (objfile));
call_site->per_cu = cu->per_cu;
call_site->per_objfile = per_objfile;
for (child_die = die->child;
child_die && child_die->tag;
child_die = child_die->sibling)