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PDB: cache types

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This commit is contained in:
Hannes Domani
2022-04-11 17:27:46 +02:00
parent bf22f1d710
commit e4405d097d
1 changed files with 19 additions and 1 deletions
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20
gdb/windows-nat.c
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@@ -3297,6 +3297,7 @@ struct pdb_line_info
SymGetTypeInfo_ftype *fSymGetTypeInfo;
DWORD64 addr;
DWORD64 max_addr;
std::vector<type *> cache;
};
@@ -3315,7 +3316,9 @@ static const char *wchar_to_objfile (pdb_line_info *pli, WCHAR *nameW)
return pli->objfile->intern (name.get ());
}
static type *get_pdb_type (pdb_line_info *pli, DWORD type_index)
static type *get_pdb_type (pdb_line_info *pli, DWORD type_index);
static type *get_pdb_type_cached (pdb_line_info *pli, DWORD type_index)
{
const struct objfile_type *ot = objfile_type (pli->objfile);
@@ -3451,6 +3454,8 @@ static type *get_pdb_type (pdb_line_info *pli, DWORD type_index)
type *t = alloc_type (pli->objfile);
INIT_CPLUS_SPECIFIC (t);
pli->cache[type_index] = t;
t->set_name (wchar_to_objfile (pli, nameW));
if (udtkind == UdtUnion)
@@ -3517,6 +3522,19 @@ static type *get_pdb_type (pdb_line_info *pli, DWORD type_index)
return ot->builtin_void;
}
static type *get_pdb_type (pdb_line_info *pli, DWORD type_index)
{
if (type_index >= pli->cache.size ())
pli->cache.resize (type_index + 1, nullptr);
else if (pli->cache[type_index] != nullptr)
return pli->cache[type_index];
type *t = get_pdb_type_cached (pli, type_index);
pli->cache[type_index] = t;
return t;
}
static BOOL CALLBACK symbol_callback(PSYMBOL_INFO si,
ULONG /*SymbolSize*/, PVOID UserContext)
{