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Split off gas init to functions

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With some slight reordering.

	* as.c (gas_early_init, gas_late_init): New functions, split..
	(main): ..from here.
This commit is contained in:
Alan Modra 2023-02-13 20:24:52 +10:30
parent f9767e607d
commit 103357fb75
1 changed files with 89 additions and 74 deletions
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163
gas/as.c
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@ -1267,14 +1267,11 @@ free_notes (void)
_obstack_free (&notes, NULL);
}
int
main (int argc, char ** argv)
/* Early initialisation, before gas prints messages. */
static void
gas_early_init (int *argcp, char ***argvp)
{
char ** argv_orig = argv;
struct stat sob;
int macro_strip_at;
start_time = get_run_time ();
signal_init ();
@ -1288,17 +1285,6 @@ main (int argc, char ** argv)
if (debug_memory)
chunksize = 64;
#ifdef HOST_SPECIAL_INIT
HOST_SPECIAL_INIT (argc, argv);
#endif
myname = argv[0];
xmalloc_set_program_name (myname);
expandargv (&argc, &argv);
START_PROGRESS (myname, 0);
#ifndef OBJ_DEFAULT_OUTPUT_FILE_NAME
#define OBJ_DEFAULT_OUTPUT_FILE_NAME "a.out"
#endif
@ -1308,18 +1294,95 @@ main (int argc, char ** argv)
hex_init ();
if (bfd_init () != BFD_INIT_MAGIC)
as_fatal (_("libbfd ABI mismatch"));
bfd_set_error_program_name (myname);
#ifdef USE_EMULATIONS
select_emulation_mode (argc, argv);
#endif
obstack_begin (&notes, chunksize);
xatexit (free_notes);
myname = **argvp;
xmalloc_set_program_name (myname);
bfd_set_error_program_name (myname);
START_PROGRESS (myname, 0);
expandargv (argcp, argvp);
#ifdef HOST_SPECIAL_INIT
HOST_SPECIAL_INIT (*argcp, *argvp);
#endif
#ifdef USE_EMULATIONS
select_emulation_mode (*argcp, *argvp);
#endif
}
/* Init things that might depend on program args. */
static void
gas_late_init (void)
{
symbol_begin ();
frag_init ();
subsegs_begin ();
read_begin ();
input_scrub_begin ();
expr_begin ();
int macro_strip_at = 0;
#ifdef TC_I960
macro_strip_at = flag_mri;
#endif
macro_init (flag_macro_alternate, flag_mri, macro_strip_at, macro_expr);
dwarf2_init ();
/* Somewhat arbitrary division into initialisation above that
doesn't need stdoutput open (even though it is open), and below
where things might be put on stdoutput memory, eg. symbols. */
PROGRESS (1);
/* Call parse_args before any of the init/begin functions
so that switches like --hash-size can be honored. */
dot_symbol_init ();
#ifdef tc_init_after_args
tc_init_after_args ();
#endif
itbl_init ();
local_symbol_make (".gasversion.", absolute_section,
&predefined_address_frag, BFD_VERSION / 10000UL);
/* Now that we have fully initialized, and have created the output
file, define any symbols requested by --defsym command line
arguments. */
while (defsyms != NULL)
{
symbolS *sym;
struct defsym_list *next;
sym = symbol_new (defsyms->name, absolute_section,
&zero_address_frag, defsyms->value);
/* Make symbols defined on the command line volatile, so that they
can be redefined inside a source file. This makes this assembler's
behaviour compatible with earlier versions, but it may not be
completely intuitive. */
S_SET_VOLATILE (sym);
symbol_table_insert (sym);
next = defsyms->next;
free (defsyms);
defsyms = next;
}
}
int
main (int argc, char ** argv)
{
char ** argv_orig = argv;
struct stat sob;
gas_early_init (&argc, &argv);
PROGRESS (1);
/* Call parse_args before gas_late_init so that switches like
--hash-size can be honored. */
parse_args (&argc, &argv);
if (argc > 1 && stat (out_file_name, &sob) == 0)
@ -1361,64 +1424,16 @@ main (int argc, char ** argv)
}
}
symbol_begin ();
frag_init ();
subsegs_begin ();
read_begin ();
input_scrub_begin ();
expr_begin ();
/* It has to be called after dump_statistics (). */
xatexit (output_file_close);
if (flag_print_statistics)
xatexit (dump_statistics);
macro_strip_at = 0;
#ifdef TC_I960
macro_strip_at = flag_mri;
#endif
macro_init (flag_macro_alternate, flag_mri, macro_strip_at, macro_expr);
PROGRESS (1);
output_file_create (out_file_name);
gas_assert (stdoutput != 0);
dot_symbol_init ();
#ifdef tc_init_after_args
tc_init_after_args ();
#endif
itbl_init ();
dwarf2_init ();
local_symbol_make (".gasversion.", absolute_section,
&predefined_address_frag, BFD_VERSION / 10000UL);
/* Now that we have fully initialized, and have created the output
file, define any symbols requested by --defsym command line
arguments. */
while (defsyms != NULL)
{
symbolS *sym;
struct defsym_list *next;
sym = symbol_new (defsyms->name, absolute_section,
&zero_address_frag, defsyms->value);
/* Make symbols defined on the command line volatile, so that they
can be redefined inside a source file. This makes this assembler's
behaviour compatible with earlier versions, but it may not be
completely intuitive. */
S_SET_VOLATILE (sym);
symbol_table_insert (sym);
next = defsyms->next;
free (defsyms);
defsyms = next;
}
gas_late_init ();
PROGRESS (1);