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Constify main_name

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This patch constifies the return type of main_name.  There is a
comment indicating that this wasn't possible at some point in the
past, but whatever the barrier was, it is gone now.

Tested by rebuilding.

gdb/ChangeLog
2019-07-18  Tom Tromey  <tromey@adacore.com>

	* symtab.c (main_name): Constify return type.
	* symfile.c (set_initial_language): Update.
	* symtab.h (main_name): Constify return type.
This commit is contained in:
Tom Tromey
2019-07-18 09:29:15 -06:00
parent 54d7dae59a
commit cd215b2eb7
4 changed files with 13 additions and 8 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2019-07-18 Tom Tromey <tromey@adacore.com>
* symtab.c (main_name): Constify return type.
* symfile.c (set_initial_language): Update.
* symtab.h (main_name): Constify return type.
2019-07-17 Tom Tromey <tom@tromey.com> 2019-07-17 Tom Tromey <tom@tromey.com>
* tui/tui-winsource.c (tui_update_source_window) * tui/tui-winsource.c (tui_update_source_window)

2
gdb/symfile.c
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@ -1706,7 +1706,7 @@ set_initial_language (void)
if (lang == language_unknown) if (lang == language_unknown)
{ {
char *name = main_name (); const char *name = main_name ();
struct symbol *sym = lookup_symbol (name, NULL, VAR_DOMAIN, NULL).symbol; struct symbol *sym = lookup_symbol (name, NULL, VAR_DOMAIN, NULL).symbol;
if (sym != NULL) if (sym != NULL)

6
gdb/symtab.c
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@ -5741,8 +5741,10 @@ find_main_name (void)
set_main_name ("main", language_unknown); set_main_name ("main", language_unknown);
} }
char * /* See symtab.h. */
main_name (void)
const char *
main_name ()
{ {
struct main_info *info = get_main_info (); struct main_info *info = get_main_info ();

7
gdb/symtab.h
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@ -2041,11 +2041,8 @@ extern std::vector<symbol_search> search_symbols (const char *,
extern bool treg_matches_sym_type_name (const compiled_regex &treg, extern bool treg_matches_sym_type_name (const compiled_regex &treg,
const struct symbol *sym); const struct symbol *sym);
/* The name of the ``main'' function. /* The name of the ``main'' function. */
FIXME: cagney/2001-03-20: Can't make main_name() const since some extern const char *main_name ();
of the calling code currently assumes that the string isn't
const. */
extern /*const */ char *main_name (void);
extern enum language main_language (void); extern enum language main_language (void);
/* Lookup symbol NAME from DOMAIN in MAIN_OBJFILE's global blocks. /* Lookup symbol NAME from DOMAIN in MAIN_OBJFILE's global blocks.