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binutils-gdb
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Remove lookup_objfile_from_block 

lookup_objfile_from_block mostly duplicates the functionality of
block_objfile, but in a less efficient way.  This patch removes this
function and changes the callers to use block_objfile instead.

Tested by the buildbot.

gdb/ChangeLog
2020-05-15  Tom Tromey  <tom@tromey.com>

	* symtab.c (lookup_language_this, lookup_symbol_aux): Use
	block_objfile.
	(lookup_objfile_from_block): Remove.
	(lookup_symbol_in_block, lookup_symbol_in_static_block)
	(lookup_global_symbol): Use block_objfile.
	* symtab.h (lookup_objfile_from_block): Don't declare.
	* printcmd.c (clear_dangling_display_expressions): Use
	block_objfile.
	* parse.c (operator_check_standard): Use block_objfile.
This commit is contained in:
Tom Tromey 2020-05-15 16:24:07 -06:00
parent 8c14c3a373
commit d6bc0792ed
5 changed files with 41 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
gdb/ChangeLog
View File

@ -1,3 +1,15 @@
2020-05-15 Tom Tromey <tom@tromey.com>
* symtab.c (lookup_language_this, lookup_symbol_aux): Use
block_objfile.
(lookup_objfile_from_block): Remove.
(lookup_symbol_in_block, lookup_symbol_in_static_block)
(lookup_global_symbol): Use block_objfile.
* symtab.h (lookup_objfile_from_block): Don't declare.
* printcmd.c (clear_dangling_display_expressions): Use
block_objfile.
* parse.c (operator_check_standard): Use block_objfile.
2020-05-15 Tom Tromey <tom@tromey.com>
* language.c (language_alloc_type_symbol): Set

2
gdb/parse.c
View File

@ -1340,7 +1340,7 @@ operator_check_standard (struct expression *exp, int pos,
return 1;
/* Check objfile where is placed the code touching the variable. */
objfile = lookup_objfile_from_block (block);
objfile = block_objfile (block);
type = SYMBOL_TYPE (symbol);
}

18
gdb/printcmd.c
View File

@ -2128,12 +2128,20 @@ clear_dangling_display_expressions (struct objfile *objfile)
if (d->pspace != pspace)
continue;
if (lookup_objfile_from_block (d->block) == objfile
struct objfile *bl_objf = nullptr;
if (d->block != nullptr)
{
bl_objf = block_objfile (d->block);
if (bl_objf->separate_debug_objfile_backlink != nullptr)
bl_objf = bl_objf->separate_debug_objfile_backlink;
}
if (bl_objf == objfile
|| (d->exp != NULL && exp_uses_objfile (d->exp.get (), objfile)))
{
d->exp.reset ();
d->block = NULL;
}
{
d->exp.reset ();
d->block = NULL;
}
}
}

46
gdb/symtab.c
View File

@ -1917,7 +1917,7 @@ lookup_language_this (const struct language_defn *lang,
if (symbol_lookup_debug > 1)
{
struct objfile *objfile = lookup_objfile_from_block (block);
struct objfile *objfile = block_objfile (block);
fprintf_unfiltered (gdb_stdlog,
"lookup_language_this (%s, %s (objfile %s))",
@ -2012,7 +2012,8 @@ lookup_symbol_aux (const char *name, symbol_name_match_type match_type,
if (symbol_lookup_debug)
{
struct objfile *objfile = lookup_objfile_from_block (block);
struct objfile *objfile = (block == nullptr
? nullptr : block_objfile (block));
fprintf_unfiltered (gdb_stdlog,
"lookup_symbol_aux (%s, %s (objfile %s), %s, %s)\n",
@ -2157,32 +2158,6 @@ lookup_local_symbol (const char *name,
/* See symtab.h. */
struct objfile *
lookup_objfile_from_block (const struct block *block)
{
if (block == NULL)
return NULL;
block = block_global_block (block);
/* Look through all blockvectors. */
for (objfile *obj : current_program_space->objfiles ())
{
for (compunit_symtab *cust : obj->compunits ())
if (block == BLOCKVECTOR_BLOCK (COMPUNIT_BLOCKVECTOR (cust),
GLOBAL_BLOCK))
{
if (obj->separate_debug_objfile_backlink)
obj = obj->separate_debug_objfile_backlink;
return obj;
}
}
return NULL;
}
/* See symtab.h. */
struct symbol *
lookup_symbol_in_block (const char *name, symbol_name_match_type match_type,
const struct block *block,
@ -2192,7 +2167,8 @@ lookup_symbol_in_block (const char *name, symbol_name_match_type match_type,
if (symbol_lookup_debug > 1)
{
struct objfile *objfile = lookup_objfile_from_block (block);
struct objfile *objfile = (block == nullptr
? nullptr : block_objfile (block));
fprintf_unfiltered (gdb_stdlog,
"lookup_symbol_in_block (%s, %s (objfile %s), %s)",
@ -2482,7 +2458,8 @@ lookup_symbol_in_static_block (const char *name,
if (symbol_lookup_debug)
{
struct objfile *objfile = lookup_objfile_from_block (static_block);
struct objfile *objfile = (block == nullptr
? nullptr : block_objfile (block));
fprintf_unfiltered (gdb_stdlog,
"lookup_symbol_in_static_block (%s, %s (objfile %s),"
@ -2704,7 +2681,14 @@ lookup_global_symbol (const char *name,
return { sym, global_block };
}
struct objfile *objfile = lookup_objfile_from_block (block);
struct objfile *objfile = nullptr;
if (block != nullptr)
{
objfile = block_objfile (block);
if (objfile->separate_debug_objfile_backlink != nullptr)
objfile = objfile->separate_debug_objfile_backlink;
}
block_symbol bs
= lookup_global_or_static_symbol (name, GLOBAL_BLOCK, objfile, domain);
if (better_symbol (sym, bs.symbol, domain) == sym)

4
gdb/symtab.h
View File

@ -2238,10 +2238,6 @@ bool producer_is_realview (const char *producer);
void fixup_section (struct general_symbol_info *ginfo,
CORE_ADDR addr, struct objfile *objfile);
/* Look up objfile containing BLOCK. */
struct objfile *lookup_objfile_from_block (const struct block *block);
extern unsigned int symtab_create_debug;
extern unsigned int symbol_lookup_debug;