diff options
Diffstat (limited to 'gcc/toplev.c')
| -rw-r--r-- | gcc/toplev.c | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/gcc/toplev.c b/gcc/toplev.c index 9d6899d..7d7b346 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -104,7 +104,7 @@ extern void reg_alloc PARAMS ((void)); static void general_init PARAMS ((char *)); static void parse_options_and_default_flags PARAMS ((int, char **)); -static void do_compile PARAMS ((int)); +static void do_compile PARAMS ((void)); static void process_options PARAMS ((void)); static void backend_init PARAMS ((void)); static int lang_dependent_init PARAMS ((const char *)); @@ -135,6 +135,9 @@ static void print_switch_values PARAMS ((FILE *, int, int, const char *, /* Nonzero to dump debug info whilst parsing (-dy option). */ static int set_yydebug; +/* True if we don't need a backend (e.g. preprocessing only). */ +static bool no_backend; + /* Length of line when printing switch values. */ #define MAX_LINE 75 @@ -5169,6 +5172,13 @@ parse_options_and_default_flags (argc, argv) static void process_options () { + /* Allow the front end to perform consistency checks and do further + initialization based on the command line options. This hook also + sets the original filename if appropriate (e.g. foo.i -> foo.c) + so we can correctly initialize debug output. */ + no_backend = (*lang_hooks.post_options) (&filename); + main_input_filename = input_filename = filename; + #ifdef OVERRIDE_OPTIONS /* Some machines may reject certain combinations of options. */ OVERRIDE_OPTIONS; @@ -5411,15 +5421,10 @@ lang_dependent_init (name) if (dump_base_name == 0) dump_base_name = name ? name : "gccdump"; - /* Front-end initialization. This hook can assume that GC, - identifier hashes etc. are set up, but debug initialization is - not done yet. This routine must return the original filename - (e.g. foo.i -> foo.c) so can correctly initialize debug output. */ - name = (*lang_hooks.init) (name); - if (name == NULL) + /* Other front-end initialization. */ + if ((*lang_hooks.init) () == 0) return 0; - main_input_filename = input_filename = name; init_asm_output (name); /* These create various _DECL nodes, so need to be called after the @@ -5513,8 +5518,7 @@ finalize () /* Initialize the compiler, and compile the input file. */ static void -do_compile (no_backend) - int no_backend; +do_compile () { /* We cannot start timing until after options are processed since that says if we run timers or not. */ @@ -5558,16 +5562,11 @@ toplev_main (argc, argv) /* Exit early if we can (e.g. -help). */ if (!exit_after_options) { - /* All command line options have been parsed; allow the front - end to perform consistency checks, etc. */ - bool no_backend = (*lang_hooks.post_options) (); - - /* The bulk of command line switch processing. */ process_options (); /* Don't do any more if an error has already occurred. */ if (!errorcount) - do_compile (no_backend); + do_compile (); } if (errorcount || sorrycount) |