02111-1307, USA. */
/* Main program for AS; a 32-bit assembler of GNU.
- * Understands command arguments.
- * Has a few routines that don't fit in other modules because they
- * are shared.
- *
- * bugs
- *
- * : initialisers
- * Since no-one else says they will support them in future: I
- * don't support them now.
- */
+ Understands command arguments.
+ Has a few routines that don't fit in other modules because they
+ are shared.
+
+ bugs
+
+ : initialisers
+ Since no-one else says they will support them in future: I
+ don't support them now. */
#include "ansidecl.h"
#endif
#endif
-static void show_usage PARAMS ((FILE *));
-static void parse_args PARAMS ((int *, char ***));
-static void dump_statistics PARAMS ((void));
-static void perform_an_assembly_pass PARAMS ((int argc, char **argv));
-static int macro_expr PARAMS ((const char *, int, sb *, int *));
#ifdef USING_CGEN
/* Perform any cgen specific initialisation for gas. */
-extern void gas_cgen_begin PARAMS ((void));
+extern void gas_cgen_begin (void);
#endif
+/* Keep a record of the itbl files we read in. */
+struct itbl_file_list
+{
+ struct itbl_file_list *next;
+ char *name;
+};
+
+/* We build a list of defsyms as we read the options, and then define
+ them after we have initialized everything. */
+struct defsym_list
+{
+ struct defsym_list *next;
+ char *name;
+ valueT value;
+};
+
+
/* True if a listing is wanted. */
int listing;
-/* Name of listing file. */
-static char *listing_filename = NULL;
-
/* Type of debugging to generate. */
-
enum debug_info_type debug_type = DEBUG_UNSPECIFIED;
/* Maximum level of macro nesting. */
int max_macro_nest = 100;
/* argv[0] */
-char *myname;
-#ifdef BFD_ASSEMBLER
-segT reg_section, expr_section;
-segT text_section, data_section, bss_section;
-#endif
+char * myname;
/* The default obstack chunk size. If we set this to zero, the
obstack code will use whatever will fit in a 4096 byte block. */
/* Enable verbose mode. */
int verbose = 0;
-/* We build a list of defsyms as we read the options, and then define
- them after we have initialized everything. */
+#ifdef BFD_ASSEMBLER
+segT reg_section;
+segT expr_section;
+segT text_section;
+segT data_section;
+segT bss_section;
+#endif
-struct defsym_list {
- struct defsym_list *next;
- char *name;
- valueT value;
-};
+/* Name of listing file. */
+static char *listing_filename = NULL;
static struct defsym_list *defsyms;
-/* Keep a record of the itbl files we read in. */
+static struct itbl_file_list *itbl_files;
-struct itbl_file_list {
- struct itbl_file_list *next;
- char *name;
-};
+static long start_time;
-static struct itbl_file_list *itbl_files;
\f
#ifdef USE_EMULATIONS
#define EMULATION_ENVIRON "AS_EMULATION"
static struct emulation *const emulations[] = { EMULATIONS };
static const int n_emulations = sizeof (emulations) / sizeof (emulations[0]);
-static void select_emulation_mode PARAMS ((int, char **));
-
static void
-select_emulation_mode (argc, argv)
- int argc;
- char **argv;
+select_emulation_mode (int argc, char **argv)
{
int i;
char *p, *em = 0;
}
const char *
-default_emul_bfd_name ()
+default_emul_bfd_name (void)
{
abort ();
return NULL;
}
void
-common_emul_init ()
+common_emul_init (void)
{
this_format = this_emulation->format;
#endif
void
-print_version_id ()
+print_version_id (void)
{
static int printed;
+
if (printed)
return;
printed = 1;
}
static void
-show_usage (stream)
- FILE *stream;
+show_usage (FILE * stream)
{
fprintf (stream, _("Usage: %s [option...] [asmfile...]\n"), myname);
md_parse_option definitions in config/tc-*.c. */
static void
-parse_args (pargc, pargv)
- int *pargc;
- char ***pargv;
+parse_args (int * pargc, char *** pargv)
{
- int old_argc, new_argc;
- char **old_argv, **new_argv;
-
+ int old_argc;
+ int new_argc;
+ char ** old_argv;
+ char ** new_argv;
/* Starting the short option string with '-' is for programs that
expect options and other ARGV-elements in any order and that care about
the ordering of the two. We describe each non-option ARGV-element
as if it were the argument of an option with character code 1. */
-
char *shortopts;
extern const char *md_shortopts;
- static const char std_shortopts[] = {
+ static const char std_shortopts[] =
+ {
'-', 'J',
#ifndef WORKING_DOT_WORD
/* -K is not meaningful if .word is not being hacked. */
'v',
#endif
'w', 'X',
- /* New option for extending instruction set (see also --itbl below) */
+ /* New option for extending instruction set (see also --itbl below). */
't', ':',
'\0'
};
struct option *longopts;
extern struct option md_longopts[];
extern size_t md_longopts_size;
- static const struct option std_longopts[] = {
-#define OPTION_HELP (OPTION_STD_BASE)
+ /* Codes used for the long options with no short synonyms. */
+ enum option_values
+ {
+ OPTION_HELP = OPTION_STD_BASE,
+ OPTION_NOCPP,
+ OPTION_STATISTICS,
+ OPTION_VERSION,
+ OPTION_DUMPCONFIG,
+ OPTION_VERBOSE,
+ OPTION_EMULATION,
+ OPTION_DEFSYM,
+ OPTION_INSTTBL,
+ OPTION_LISTING_LHS_WIDTH,
+ OPTION_LISTING_LHS_WIDTH2,
+ OPTION_LISTING_RHS_WIDTH,
+ OPTION_LISTING_CONT_LINES,
+ OPTION_DEPFILE,
+ OPTION_GSTABS,
+ OPTION_STRIP_LOCAL_ABSOLUTE,
+ OPTION_TRADITIONAL_FORMAT,
+ OPTION_GDWARF2,
+ OPTION_WARN,
+ OPTION_TARGET_HELP,
+ OPTION_EXECSTACK,
+ OPTION_NOEXECSTACK,
+ OPTION_WARN_FATAL
+ };
+
+ static const struct option std_longopts[] =
+ {
{"help", no_argument, NULL, OPTION_HELP},
/* getopt allows abbreviations, so we do this to stop it from
treating -k as an abbreviation for --keep-locals. Some
{"keep-locals", no_argument, NULL, 'L'},
{"keep-locals", no_argument, NULL, 'L'},
{"mri", no_argument, NULL, 'M'},
-#define OPTION_NOCPP (OPTION_STD_BASE + 1)
{"nocpp", no_argument, NULL, OPTION_NOCPP},
-#define OPTION_STATISTICS (OPTION_STD_BASE + 2)
{"statistics", no_argument, NULL, OPTION_STATISTICS},
-#define OPTION_VERSION (OPTION_STD_BASE + 3)
{"version", no_argument, NULL, OPTION_VERSION},
-#define OPTION_DUMPCONFIG (OPTION_STD_BASE + 4)
{"dump-config", no_argument, NULL, OPTION_DUMPCONFIG},
-#define OPTION_VERBOSE (OPTION_STD_BASE + 5)
{"verbose", no_argument, NULL, OPTION_VERBOSE},
-#define OPTION_EMULATION (OPTION_STD_BASE + 6)
{"emulation", required_argument, NULL, OPTION_EMULATION},
-#define OPTION_DEFSYM (OPTION_STD_BASE + 7)
{"defsym", required_argument, NULL, OPTION_DEFSYM},
-#define OPTION_INSTTBL (OPTION_STD_BASE + 8)
/* New option for extending instruction set (see also -t above).
The "-t file" or "--itbl file" option extends the basic set of
valid instructions by reading "file", a text file containing a
formats are added to the built-in set of instructions, and
mnemonics for new registers may also be defined. */
{"itbl", required_argument, NULL, OPTION_INSTTBL},
-#define OPTION_LISTING_LHS_WIDTH (OPTION_STD_BASE + 9)
{"listing-lhs-width", required_argument, NULL, OPTION_LISTING_LHS_WIDTH},
-#define OPTION_LISTING_LHS_WIDTH2 (OPTION_STD_BASE + 10)
{"listing-lhs-width2", required_argument, NULL, OPTION_LISTING_LHS_WIDTH2},
-#define OPTION_LISTING_RHS_WIDTH (OPTION_STD_BASE + 11)
{"listing-rhs-width", required_argument, NULL, OPTION_LISTING_RHS_WIDTH},
-#define OPTION_LISTING_CONT_LINES (OPTION_STD_BASE + 12)
{"listing-cont-lines", required_argument, NULL, OPTION_LISTING_CONT_LINES},
-#define OPTION_DEPFILE (OPTION_STD_BASE + 13)
{"MD", required_argument, NULL, OPTION_DEPFILE},
-#define OPTION_GSTABS (OPTION_STD_BASE + 14)
{"gstabs", no_argument, NULL, OPTION_GSTABS},
-#define OPTION_STRIP_LOCAL_ABSOLUTE (OPTION_STD_BASE + 15)
{"strip-local-absolute", no_argument, NULL, OPTION_STRIP_LOCAL_ABSOLUTE},
-#define OPTION_TRADITIONAL_FORMAT (OPTION_STD_BASE + 16)
{"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT},
-#define OPTION_GDWARF2 (OPTION_STD_BASE + 17)
{"gdwarf2", no_argument, NULL, OPTION_GDWARF2},
{"no-warn", no_argument, NULL, 'W'},
-#define OPTION_WARN (OPTION_STD_BASE + 18)
{"warn", no_argument, NULL, OPTION_WARN},
-#define OPTION_TARGET_HELP (OPTION_STD_BASE + 19)
{"target-help", no_argument, NULL, OPTION_TARGET_HELP},
#if defined BFD_ASSEMBLER && (defined OBJ_ELF || defined OBJ_MAYBE_ELF)
-#define OPTION_EXECSTACK (OPTION_STD_BASE + 20)
{"execstack", no_argument, NULL, OPTION_EXECSTACK},
-#define OPTION_NOEXECSTACK (OPTION_STD_BASE + 21)
{"noexecstack", no_argument, NULL, OPTION_NOEXECSTACK},
#endif
/* Treat '-f' as a long switch so that getopt will not accept
FIXME - should we handle other single character switches in the
same way ? */
{"f", no_argument, NULL, 'f'},
-#define OPTION_WARN_FATAL (OPTION_STD_BASE + 22)
+ {"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL},
{"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL}
/* When you add options here, check that they do not collide with
OPTION_MD_BASE. See as.h. */
dependent list. Include space for an extra NULL option and
always NULL terminate. */
shortopts = concat (std_shortopts, md_shortopts, (char *) NULL);
- longopts = (struct option *) xmalloc (sizeof (std_longopts)
- + md_longopts_size
- + sizeof (struct option));
+ longopts = xmalloc (sizeof (std_longopts) + md_longopts_size + sizeof (struct option));
memcpy (longopts, std_longopts, sizeof (std_longopts));
- memcpy ((char *) longopts + sizeof (std_longopts),
- md_longopts, md_longopts_size);
- memset ((char *) longopts + sizeof (std_longopts) + md_longopts_size,
+ memcpy (((char *) longopts) + sizeof (std_longopts), md_longopts, md_longopts_size);
+ memset (((char *) longopts) + sizeof (std_longopts) + md_longopts_size,
0, sizeof (struct option));
/* Make a local copy of the old argv. */
old_argv = *pargv;
/* Initialize a new argv that contains no options. */
- new_argv = (char **) xmalloc (sizeof (char *) * (old_argc + 1));
+ new_argv = xmalloc (sizeof (char *) * (old_argc + 1));
new_argv[0] = old_argv[0];
new_argc = 1;
new_argv[new_argc] = NULL;
#else
i = strtol (s, (char **) NULL, 0);
#endif
- n = (struct defsym_list *) xmalloc (sizeof *n);
+ n = xmalloc (sizeof *n);
n->next = defsyms;
n->name = optarg;
n->value = i;
break;
}
- n = (struct itbl_file_list *) xmalloc (sizeof *n);
+ n = xmalloc (sizeof * n);
n->next = itbl_files;
n->name = optarg;
itbl_files = n;
flag_warn_displacement = 1;
break;
#endif
-
case 'L':
flag_keep_locals = 1;
break;
flag_execstack = 0;
break;
#endif
-
case 'Z':
flag_always_generate_output = 1;
break;
#endif
}
-static long start_time;
+static void
+dump_statistics (void)
+{
+#ifdef HAVE_SBRK
+ char *lim = (char *) sbrk (0);
+#endif
+ long run_time = get_run_time () - start_time;
+
+ fprintf (stderr, _("%s: total time in assembly: %ld.%06ld\n"),
+ myname, run_time / 1000000, run_time % 1000000);
+#ifdef HAVE_SBRK
+ fprintf (stderr, _("%s: data size %ld\n"),
+ myname, (long) (lim - (char *) &environ));
+#endif
-int main PARAMS ((int, char **));
+ subsegs_print_statistics (stderr);
+ write_print_statistics (stderr);
+ symbol_print_statistics (stderr);
+ read_print_statistics (stderr);
+
+#ifdef tc_print_statistics
+ tc_print_statistics (stderr);
+#endif
+
+#ifdef obj_print_statistics
+ obj_print_statistics (stderr);
+#endif
+}
+
+/* The interface between the macro code and gas expression handling. */
+
+static int
+macro_expr (const char *emsg, int idx, sb *in, int *val)
+{
+ char *hold;
+ expressionS ex;
+
+ sb_terminate (in);
+
+ hold = input_line_pointer;
+ input_line_pointer = in->ptr + idx;
+ expression (&ex);
+ idx = input_line_pointer - in->ptr;
+ input_line_pointer = hold;
+
+ if (ex.X_op != O_constant)
+ as_bad ("%s", emsg);
+
+ *val = (int) ex.X_add_number;
+
+ return idx;
+}
+\f
+/* Here to attempt 1 pass over each input file.
+ We scan argv[*] looking for filenames or exactly "" which is
+ shorthand for stdin. Any argv that is NULL is not a file-name.
+ We set need_pass_2 TRUE if, after this, we still have unresolved
+ expressions of the form (unknown value)+-(unknown value).
+
+ Note the un*x semantics: there is only 1 logical input file, but it
+ may be a catenation of many 'physical' input files. */
+
+static void
+perform_an_assembly_pass (int argc, char ** argv)
+{
+ int saw_a_file = 0;
+#ifdef BFD_ASSEMBLER
+ flagword applicable;
+#endif
+
+ need_pass_2 = 0;
+
+#ifndef BFD_ASSEMBLER
+#ifdef MANY_SEGMENTS
+ {
+ unsigned int i;
+ for (i = SEG_E0; i < SEG_UNKNOWN; i++)
+ segment_info[i].fix_root = 0;
+ }
+ /* Create the three fixed ones. */
+ {
+ segT seg;
+
+#ifdef TE_APOLLO
+ seg = subseg_new (".wtext", 0);
+#else
+ seg = subseg_new (".text", 0);
+#endif
+ assert (seg == SEG_E0);
+ seg = subseg_new (".data", 0);
+ assert (seg == SEG_E1);
+ seg = subseg_new (".bss", 0);
+ assert (seg == SEG_E2);
+#ifdef TE_APOLLO
+ create_target_segments ();
+#endif
+ }
+
+#else /* not MANY_SEGMENTS. */
+ text_fix_root = NULL;
+ data_fix_root = NULL;
+ bss_fix_root = NULL;
+#endif /* not MANY_SEGMENTS. */
+#else /* BFD_ASSEMBLER. */
+ /* Create the standard sections, and those the assembler uses
+ internally. */
+ text_section = subseg_new (TEXT_SECTION_NAME, 0);
+ data_section = subseg_new (DATA_SECTION_NAME, 0);
+ bss_section = subseg_new (BSS_SECTION_NAME, 0);
+ /* @@ FIXME -- we're setting the RELOC flag so that sections are assumed
+ to have relocs, otherwise we don't find out in time. */
+ applicable = bfd_applicable_section_flags (stdoutput);
+ bfd_set_section_flags (stdoutput, text_section,
+ applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC
+ | SEC_CODE | SEC_READONLY));
+ bfd_set_section_flags (stdoutput, data_section,
+ applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC
+ | SEC_DATA));
+ bfd_set_section_flags (stdoutput, bss_section, applicable & SEC_ALLOC);
+ seg_info (bss_section)->bss = 1;
+ subseg_new (BFD_ABS_SECTION_NAME, 0);
+ subseg_new (BFD_UND_SECTION_NAME, 0);
+ reg_section = subseg_new ("*GAS `reg' section*", 0);
+ expr_section = subseg_new ("*GAS `expr' section*", 0);
+
+#endif /* BFD_ASSEMBLER. */
+
+ subseg_set (text_section, 0);
+
+ /* This may add symbol table entries, which requires having an open BFD,
+ and sections already created, in BFD_ASSEMBLER mode. */
+ md_begin ();
+
+#ifdef USING_CGEN
+ gas_cgen_begin ();
+#endif
+#ifdef obj_begin
+ obj_begin ();
+#endif
+
+ /* Skip argv[0]. */
+ argv++;
+ argc--;
+
+ while (argc--)
+ {
+ if (*argv)
+ { /* Is it a file-name argument? */
+ PROGRESS (1);
+ saw_a_file++;
+ /* argv->"" if stdin desired, else->filename. */
+ read_a_source_file (*argv);
+ }
+ argv++; /* Completed that argv. */
+ }
+ if (!saw_a_file)
+ read_a_source_file ("");
+}
+\f
int
-main (argc, argv)
- int argc;
- char **argv;
+main (int argc, char ** argv)
{
int macro_alternate;
int macro_strip_at;
listing_print (listing_filename);
#endif
-#ifndef OBJ_VMS /* does its own file handling */
+#ifndef OBJ_VMS /* Does its own file handling. */
#ifndef BFD_ASSEMBLER
if (keep_it)
#endif
xexit (EXIT_SUCCESS);
}
-static void
-dump_statistics ()
-{
-#ifdef HAVE_SBRK
- char *lim = (char *) sbrk (0);
-#endif
- long run_time = get_run_time () - start_time;
-
- fprintf (stderr, _("%s: total time in assembly: %ld.%06ld\n"),
- myname, run_time / 1000000, run_time % 1000000);
-#ifdef HAVE_SBRK
- fprintf (stderr, _("%s: data size %ld\n"),
- myname, (long) (lim - (char *) &environ));
-#endif
-
- subsegs_print_statistics (stderr);
- write_print_statistics (stderr);
- symbol_print_statistics (stderr);
- read_print_statistics (stderr);
-
-#ifdef tc_print_statistics
- tc_print_statistics (stderr);
-#endif
-#ifdef obj_print_statistics
- obj_print_statistics (stderr);
-#endif
-}
-\f
-/* Here to attempt 1 pass over each input file.
- We scan argv[*] looking for filenames or exactly "" which is
- shorthand for stdin. Any argv that is NULL is not a file-name.
- We set need_pass_2 TRUE if, after this, we still have unresolved
- expressions of the form (unknown value)+-(unknown value).
-
- Note the un*x semantics: there is only 1 logical input file, but it
- may be a catenation of many 'physical' input files. */
-
-static void
-perform_an_assembly_pass (argc, argv)
- int argc;
- char **argv;
-{
- int saw_a_file = 0;
-#ifdef BFD_ASSEMBLER
- flagword applicable;
-#endif
-
- need_pass_2 = 0;
-
-#ifndef BFD_ASSEMBLER
-#ifdef MANY_SEGMENTS
- {
- unsigned int i;
- for (i = SEG_E0; i < SEG_UNKNOWN; i++)
- segment_info[i].fix_root = 0;
- }
- /* Create the three fixed ones. */
- {
- segT seg;
-
-#ifdef TE_APOLLO
- seg = subseg_new (".wtext", 0);
-#else
- seg = subseg_new (".text", 0);
-#endif
- assert (seg == SEG_E0);
- seg = subseg_new (".data", 0);
- assert (seg == SEG_E1);
- seg = subseg_new (".bss", 0);
- assert (seg == SEG_E2);
-#ifdef TE_APOLLO
- create_target_segments ();
-#endif
- }
-
-#else /* not MANY_SEGMENTS */
- text_fix_root = NULL;
- data_fix_root = NULL;
- bss_fix_root = NULL;
-#endif /* not MANY_SEGMENTS */
-#else /* BFD_ASSEMBLER */
- /* Create the standard sections, and those the assembler uses
- internally. */
- text_section = subseg_new (TEXT_SECTION_NAME, 0);
- data_section = subseg_new (DATA_SECTION_NAME, 0);
- bss_section = subseg_new (BSS_SECTION_NAME, 0);
- /* @@ FIXME -- we're setting the RELOC flag so that sections are assumed
- to have relocs, otherwise we don't find out in time. */
- applicable = bfd_applicable_section_flags (stdoutput);
- bfd_set_section_flags (stdoutput, text_section,
- applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC
- | SEC_CODE | SEC_READONLY));
- bfd_set_section_flags (stdoutput, data_section,
- applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC
- | SEC_DATA));
- bfd_set_section_flags (stdoutput, bss_section, applicable & SEC_ALLOC);
- seg_info (bss_section)->bss = 1;
- subseg_new (BFD_ABS_SECTION_NAME, 0);
- subseg_new (BFD_UND_SECTION_NAME, 0);
- reg_section = subseg_new ("*GAS `reg' section*", 0);
- expr_section = subseg_new ("*GAS `expr' section*", 0);
-
-#endif /* BFD_ASSEMBLER */
-
- subseg_set (text_section, 0);
-
- /* This may add symbol table entries, which requires having an open BFD,
- and sections already created, in BFD_ASSEMBLER mode. */
- md_begin ();
-
-#ifdef USING_CGEN
- gas_cgen_begin ();
-#endif
-#ifdef obj_begin
- obj_begin ();
-#endif
-
- /* Skip argv[0]. */
- argv++;
- argc--;
-
- while (argc--)
- {
- if (*argv)
- { /* Is it a file-name argument? */
- PROGRESS (1);
- saw_a_file++;
- /* argv->"" if stdin desired, else->filename */
- read_a_source_file (*argv);
- }
- argv++; /* completed that argv */
- }
- if (!saw_a_file)
- read_a_source_file ("");
-}
-
-/* The interface between the macro code and gas expression handling. */
-
-static int
-macro_expr (emsg, idx, in, val)
- const char *emsg;
- int idx;
- sb *in;
- int *val;
-{
- char *hold;
- expressionS ex;
-
- sb_terminate (in);
-
- hold = input_line_pointer;
- input_line_pointer = in->ptr + idx;
- expression (&ex);
- idx = input_line_pointer - in->ptr;
- input_line_pointer = hold;
-
- if (ex.X_op != O_constant)
- as_bad ("%s", emsg);
-
- *val = (int) ex.X_add_number;
-
- return idx;
-}
projects / deliverable / binutils-gdb.git / commitdiff
