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Make free_pending_blocks static 

free_pending_blocks can be static because scoped_free_pendings (et al)
arrange for it to be NULL in the "steady state".  This removes a
couple of unnecessary calls to free_pending_blocks and changes it to
be static.

gdb/ChangeLog
2018-07-16  Tom Tromey  <tom@tromey.com>

	* xcoffread.c (xcoff_initial_scan): Don't call
	free_pending_blocks.
	* dbxread.c (dbx_symfile_read): Don't call free_pending_blocks.
	* buildsym.h (class scoped_free_pendings): Add constructor.
	(free_pending_blocks): Don't declare.
	* buildsym.c (scoped_free_pendings::scoped_free_pendings): New.
	(free_pending_blocks): Now static.
This commit is contained in:
Tom Tromey 2018-05-20 22:45:44 -06:00
parent 8419ee5331
commit 652788a731
5 changed files with 20 additions and 8 deletions
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10
gdb/ChangeLog
View File

@ -1,3 +1,13 @@
2018-07-16 Tom Tromey <tom@tromey.com>
* xcoffread.c (xcoff_initial_scan): Don't call
free_pending_blocks.
* dbxread.c (dbx_symfile_read): Don't call free_pending_blocks.
* buildsym.h (class scoped_free_pendings): Add constructor.
(free_pending_blocks): Don't declare.
* buildsym.c (scoped_free_pendings::scoped_free_pendings): New.
(free_pending_blocks): Now static.
2018-07-16 Tom Tromey <tom@tromey.com>
* buildsym.h (push_subfile, pop_subfile): Update declarations.

11
gdb/buildsym.c
View File

@ -263,6 +263,8 @@ static void record_pending_block (struct objfile *objfile,
struct block *block,
struct pending_block *opblock);
static void free_pending_blocks ();
/* Initial sizes of data structures. These are realloc'd larger if
needed, and realloc'd down to the size actually used, when
completed. */
@ -331,6 +333,11 @@ find_symbol_in_list (struct pending *list, char *name, int length)
return (NULL);
}
scoped_free_pendings::scoped_free_pendings ()
{
gdb_assert (pending_blocks == nullptr);
}
/* At end of reading syms, or in case of quit, ensure everything
associated with building symtabs is freed.
@ -373,8 +380,8 @@ scoped_free_pendings::~scoped_free_pendings ()
/* This function is called to discard any pending blocks. */
void
free_pending_blocks (void)
static void
free_pending_blocks ()
{
if (pending_blocks != NULL)
{

4
gdb/buildsym.h
View File

@ -176,7 +176,7 @@ class scoped_free_pendings
{
public:
scoped_free_pendings () = default;
scoped_free_pendings ();
~scoped_free_pendings ();
DISABLE_COPY_AND_ASSIGN (scoped_free_pendings);
@ -222,8 +222,6 @@ extern struct compunit_symtab *start_symtab (struct objfile *objfile,
extern void restart_symtab (struct compunit_symtab *cust,
const char *name, CORE_ADDR start_addr);
extern void free_pending_blocks (void);
/* Record the name of the debug format in the current pending symbol
table. FORMAT must be a string with a lifetime at least as long as
the symtab's objfile. */

1
gdb/dbxread.c
View File

@ -545,7 +545,6 @@ dbx_symfile_read (struct objfile *objfile, symfile_add_flags symfile_flags)
symbol_size = DBX_SYMBOL_SIZE (objfile);
symbol_table_offset = DBX_SYMTAB_OFFSET (objfile);
free_pending_blocks ();
scoped_free_pendings free_pending;
minimal_symbol_reader reader (objfile);

2
gdb/xcoffread.c
View File

@ -3018,8 +3018,6 @@ xcoff_initial_scan (struct objfile *objfile, symfile_add_flags symfile_flags)
include N_SLINE. */
init_psymbol_list (objfile, num_symbols);
free_pending_blocks ();
scoped_free_pendings free_pending;
minimal_symbol_reader reader (objfile);