X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gas%2Fconfig%2Ftc-tic54x.c;h=72c8cf3967a24e34dcf33b59085ffcc95ff96e28;hb=fd3619828e94a24a92cddec42cbc0ab33352eeb4;hp=5dd772e015ad06be7b8d2b29f5565cdd6f2e46e1;hpb=325801bda4678d100721414300eb1170bfbc2e24;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/config/tc-tic54x.c b/gas/config/tc-tic54x.c index 5dd772e015..72c8cf3967 100644 --- a/gas/config/tc-tic54x.c +++ b/gas/config/tc-tic54x.c @@ -1,5 +1,5 @@ /* tc-tic54x.c -- Assembly code for the Texas Instruments TMS320C54X - Copyright (C) 1999-2016 Free Software Foundation, Inc. + Copyright (C) 1999-2019 Free Software Foundation, Inc. Contributed by Timothy Wall (twall@cygnus.com) This file is part of GAS, the GNU Assembler. @@ -50,7 +50,6 @@ #include "sb.h" #include "macro.h" #include "subsegs.h" -#include "struc-symbol.h" #include "opcode/tic54x.h" #include "obj-coff.h" #include @@ -161,7 +160,7 @@ size_t md_longopts_size = sizeof (md_longopts); static int assembly_begun = 0; /* Addressing mode is not entirely implemented; the latest rev of the Other assembler doesn't seem to make any distinction whatsoever; all relocations - are stored as extended relocatiosn. Older versions used REL16 vs RELEXT16, + are stored as extended relocations. Older versions used REL16 vs RELEXT16, but now it seems all relocations are RELEXT16. We use all RELEXT16. The cpu version is kind of a waste of time as well. There is one @@ -186,7 +185,8 @@ static struct hash_control *subsym_recurse_hash; /* Prevent infinite recurse. * static struct hash_control *math_hash; /* Built-in math functions. */ /* Allow maximum levels of macro nesting; level 0 is the main substitution symbol table. The other assembler only does 32 levels, so there! */ -static struct hash_control *subsym_hash[100]; +#define MAX_SUBSYM_HASH 100 +static struct hash_control *subsym_hash[MAX_SUBSYM_HASH]; /* Keep track of local labels so we can substitute them before GAS sees them since macros use their own 'namespace' for local labels, use a separate hash @@ -230,14 +230,14 @@ static char *subsym_substitute (char *, int); void md_show_usage (FILE *stream) { - fprintf (stream, _("C54x-specific command line options:\n")); + fprintf (stream, _("C54x-specific command line options:\n")); fprintf (stream, _("-mfar-mode | -mf Use extended addressing\n")); fprintf (stream, _("-mcpu= Specify the CPU version\n")); fprintf (stream, _("-merrors-to-file \n")); fprintf (stream, _("-me Redirect errors to a file\n")); } -/* Output a single character (upper octect is zero). */ +/* Output a single character (upper octet is zero). */ static void tic54x_emit_char (char c) @@ -337,7 +337,7 @@ tic54x_asg (int x ATTRIBUTE_UNUSED) str = input_line_pointer; while ((c = *input_line_pointer) != ',') { - if (is_end_of_line[(int) *input_line_pointer]) + if (is_end_of_line[(unsigned char) c]) break; ++input_line_pointer; } @@ -506,7 +506,7 @@ tic54x_bss (int x ATTRIBUTE_UNUSED) symbolP = symbol_find_or_make (name); if (S_GET_SEGMENT (symbolP) == bss_section) - symbolP->sy_frag->fr_symbol = (symbolS *) NULL; + symbol_get_frag (symbolP)->fr_symbol = (symbolS *) NULL; symbol_set_frag (symbolP, frag_now); p = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, @@ -646,7 +646,7 @@ tic54x_struct (int arg) { /* Offset is ignored in inner structs. */ SKIP_WHITESPACE (); - if (!is_end_of_line[(int) *input_line_pointer]) + if (!is_end_of_line[(unsigned char) *input_line_pointer]) start_offset = get_absolute_expression (); else start_offset = 0; @@ -836,7 +836,7 @@ tic54x_struct_field (int type) int longword_align = 0; SKIP_WHITESPACE (); - if (!is_end_of_line[(int) *input_line_pointer]) + if (!is_end_of_line[(unsigned char) *input_line_pointer]) count = get_absolute_expression (); switch (type) @@ -1106,7 +1106,7 @@ tic54x_global (int type) if (c == ',') { input_line_pointer++; - if (is_end_of_line[(int) *input_line_pointer]) + if (is_end_of_line[(unsigned char) *input_line_pointer]) c = *input_line_pointer; } } @@ -1161,28 +1161,27 @@ tic54x_sect (int arg) { char *name = NULL; int len; + /* Make sure all named initialized sections flagged properly. If we + encounter instructions, we'll flag it with SEC_CODE as well. */ + const char *flags = ",\"w\"\n"; /* If there are quotes, remove them. */ if (*input_line_pointer == '"') { name = demand_copy_C_string (&len); demand_empty_rest_of_line (); - name = strcpy (xmalloc (len + 10), name); + name = concat (name, flags, (char *) NULL); } else { int c; c = get_symbol_name (&name); - len = strlen(name); - name = strcpy (xmalloc (len + 10), name); + name = concat (name, flags, (char *) NULL); (void) restore_line_pointer (c); demand_empty_rest_of_line (); } - /* Make sure all named initialized sections flagged properly. If we - encounter instructions, we'll flag it with SEC_CODE as well. */ - strcat (name, ",\"w\"\n"); input_scrub_insert_line (name); obj_coff_section (0); @@ -1392,7 +1391,7 @@ tic54x_usect (int x ATTRIBUTE_UNUSED) blocking_flag = alignment_flag = 0; seg = subseg_new (name, 0); - flags = bfd_get_section_flags (stdoutput, seg) | SEC_ALLOC; + flags = bfd_section_flags (seg) | SEC_ALLOC; if (alignment_flag) { @@ -1421,7 +1420,7 @@ tic54x_usect (int x ATTRIBUTE_UNUSED) if (blocking_flag) flags |= SEC_TIC54X_BLOCK; - if (!bfd_set_section_flags (stdoutput, seg, flags)) + if (!bfd_set_section_flags (seg, flags)) as_warn (_("Error setting flags for \"%s\": %s"), name, bfd_errmsg (bfd_get_error ())); @@ -1489,7 +1488,7 @@ tic54x_version (int x ATTRIBUTE_UNUSED) SKIP_WHITESPACE (); ver = input_line_pointer; - while (!is_end_of_line[(int) *input_line_pointer]) + while (!is_end_of_line[(unsigned char) *input_line_pointer]) ++input_line_pointer; c = *input_line_pointer; *input_line_pointer = 0; @@ -1647,7 +1646,7 @@ tic54x_align_words (int arg) /* Only ".align" with no argument is allowed within .struct/.union. */ int count = arg; - if (!is_end_of_line[(int) *input_line_pointer]) + if (!is_end_of_line[(unsigned char) *input_line_pointer]) { if (arg == 2) as_warn (_("Argument to .even ignored")); @@ -1671,7 +1670,7 @@ tic54x_align_words (int arg) s_align_bytes (count << 1); } -/* Initialize multiple-bit fields withing a single word of memory. */ +/* Initialize multiple-bit fields within a single word of memory. */ static void tic54x_field (int ignore ATTRIBUTE_UNUSED) @@ -1839,7 +1838,7 @@ tic54x_clink (int ignored ATTRIBUTE_UNUSED) { if (!tic54x_initialized_section (seg)) { - as_bad (_("Current section is unitialized, " + as_bad (_("Current section is uninitialized, " "section name required for .clink")); ignore_rest_of_line (); return; @@ -1856,20 +1855,15 @@ tic54x_clink (int ignored ATTRIBUTE_UNUSED) set to "." instead. */ static void -tic54x_set_default_include (int dot) +tic54x_set_default_include (void) { - const char *dir = "."; - char *tmp = NULL; + char *dir, *tmp = NULL; + const char *curfile; + unsigned lineno; - if (!dot) - { - const char *curfile; - unsigned lineno; - - curfile = as_where (&lineno); - dir = xstrdup (curfile); - tmp = strrchr (dir, '/'); - } + curfile = as_where (&lineno); + dir = xstrdup (curfile); + tmp = strrchr (dir, '/'); if (tmp != NULL) { int len; @@ -1920,7 +1914,7 @@ tic54x_include (int ignored ATTRIBUTE_UNUSED) else { filename = input_line_pointer; - while (!is_end_of_line[(int) *input_line_pointer]) + while (!is_end_of_line[(unsigned char) *input_line_pointer]) ++input_line_pointer; c = *input_line_pointer; *input_line_pointer = '\0'; @@ -1932,13 +1926,12 @@ tic54x_include (int ignored ATTRIBUTE_UNUSED) and a .newblock. The included file will be inserted before the newblock, so that the newblock is executed after the included file is processed. */ - input = xmalloc (sizeof (newblock) + strlen (filename) + 4); - sprintf (input, "\"%s\"\n%s", filename, newblock); + input = concat ("\"", filename, "\"\n", newblock, (char *) NULL); input_scrub_insert_line (input); tic54x_clear_local_labels (0); - tic54x_set_default_include (0); + tic54x_set_default_include (); s_include (0); } @@ -1957,7 +1950,7 @@ tic54x_message (int type) else { msg = input_line_pointer; - while (!is_end_of_line[(int) *input_line_pointer]) + while (!is_end_of_line[(unsigned char) *input_line_pointer]) ++input_line_pointer; c = *input_line_pointer; *input_line_pointer = 0; @@ -2013,11 +2006,11 @@ tic54x_label (int ignored ATTRIBUTE_UNUSED) static void tic54x_mmregs (int ignored ATTRIBUTE_UNUSED) { - symbol *sym; + tic54x_symbol *sym; ILLEGAL_WITHIN_STRUCT (); - for (sym = (symbol *) mmregs; sym->name; sym++) + for (sym = (tic54x_symbol *) mmregs; sym->name; sym++) { symbolS *symbolP = symbol_new (sym->name, absolute_section, (valueT) sym->value, &zero_address_frag); @@ -2035,10 +2028,10 @@ tic54x_loop (int count) ILLEGAL_WITHIN_STRUCT (); SKIP_WHITESPACE (); - if (!is_end_of_line[(int) *input_line_pointer]) + if (!is_end_of_line[(unsigned char) *input_line_pointer]) count = get_absolute_expression (); - do_repeat (count, "LOOP", "ENDLOOP"); + do_repeat ((size_t) count, "LOOP", "ENDLOOP"); } /* Normally, endloop gets eaten by the preceding loop. */ @@ -2060,7 +2053,7 @@ tic54x_break (int ignore ATTRIBUTE_UNUSED) ILLEGAL_WITHIN_STRUCT (); SKIP_WHITESPACE (); - if (!is_end_of_line[(int) *input_line_pointer]) + if (!is_end_of_line[(unsigned char) *input_line_pointer]) cond = get_absolute_expression (); if (cond) @@ -2148,7 +2141,7 @@ tic54x_sblock (int ignore ATTRIBUTE_UNUSED) seg->flags |= SEC_TIC54X_BLOCK; c = *input_line_pointer; - if (!is_end_of_line[(int) c]) + if (!is_end_of_line[(unsigned char) c]) ++input_line_pointer; } @@ -2247,7 +2240,7 @@ tic54x_var (int ignore ATTRIBUTE_UNUSED) if (c == ',') { ++input_line_pointer; - if (is_end_of_line[(int) *input_line_pointer]) + if (is_end_of_line[(unsigned char) *input_line_pointer]) c = *input_line_pointer; } } @@ -2283,7 +2276,7 @@ tic54x_mlib (int ignore ATTRIBUTE_UNUSED) { SKIP_WHITESPACE (); len = 0; - while (!is_end_of_line[(int) *input_line_pointer] + while (!is_end_of_line[(unsigned char) *input_line_pointer] && !ISSPACE (*input_line_pointer)) { obstack_1grow (¬es, *input_line_pointer); @@ -2295,7 +2288,7 @@ tic54x_mlib (int ignore ATTRIBUTE_UNUSED) } demand_empty_rest_of_line (); - tic54x_set_default_include (0); + tic54x_set_default_include (); path = XNEWVEC (char, (unsigned long) len + include_dir_maxlen + 5); for (i = 0; i < include_dir_count; i++) @@ -2505,7 +2498,11 @@ md_parse_option (int c, const char *arg) void tic54x_macro_start (void) { - ++macro_level; + if (++macro_level >= MAX_SUBSYM_HASH) + { + as_fatal (_("Macro nesting is too deep")); + return; + } subsym_hash[macro_level] = hash_new (); local_label_hash[macro_level] = hash_new (); } @@ -2518,10 +2515,8 @@ tic54x_macro_info (const macro_entry *macro) /* Put the formal args into the substitution symbol table. */ for (entry = macro->formals; entry; entry = entry->next) { - char *name = strncpy (xmalloc (entry->name.len + 1), - entry->name.ptr, entry->name.len); - char *value = strncpy (xmalloc (entry->actual.len + 1), - entry->actual.ptr, entry->actual.len); + char *name = xstrndup (entry->name.ptr, entry->name.len); + char *value = xstrndup (entry->actual.ptr, entry->actual.len); name[entry->name.len] = '\0'; value[entry->actual.len] = '\0'; @@ -2967,7 +2962,7 @@ void md_begin (void) { insn_template *tm; - symbol *sym; + tic54x_symbol *sym; const subsym_proc_entry *subsym_proc; const math_proc_entry *math_proc; const char *hash_err; @@ -3015,7 +3010,7 @@ md_begin (void) tm->name, hash_err); } reg_hash = hash_new (); - for (sym = (symbol *) regs; sym->name; sym++) + for (sym = (tic54x_symbol *) regs; sym->name; sym++) { /* Add basic registers to the symbol table. */ symbolS *symbolP = symbol_new (sym->name, absolute_section, @@ -3024,26 +3019,26 @@ md_begin (void) symbol_table_insert (symbolP); hash_err = hash_insert (reg_hash, sym->name, (char *) sym); } - for (sym = (symbol *) mmregs; sym->name; sym++) + for (sym = (tic54x_symbol *) mmregs; sym->name; sym++) hash_err = hash_insert (reg_hash, sym->name, (char *) sym); mmreg_hash = hash_new (); - for (sym = (symbol *) mmregs; sym->name; sym++) + for (sym = (tic54x_symbol *) mmregs; sym->name; sym++) hash_err = hash_insert (mmreg_hash, sym->name, (char *) sym); cc_hash = hash_new (); - for (sym = (symbol *) condition_codes; sym->name; sym++) + for (sym = (tic54x_symbol *) condition_codes; sym->name; sym++) hash_err = hash_insert (cc_hash, sym->name, (char *) sym); cc2_hash = hash_new (); - for (sym = (symbol *) cc2_codes; sym->name; sym++) + for (sym = (tic54x_symbol *) cc2_codes; sym->name; sym++) hash_err = hash_insert (cc2_hash, sym->name, (char *) sym); cc3_hash = hash_new (); - for (sym = (symbol *) cc3_codes; sym->name; sym++) + for (sym = (tic54x_symbol *) cc3_codes; sym->name; sym++) hash_err = hash_insert (cc3_hash, sym->name, (char *) sym); sbit_hash = hash_new (); - for (sym = (symbol *) status_bits; sym->name; sym++) + for (sym = (tic54x_symbol *) status_bits; sym->name; sym++) hash_err = hash_insert (sbit_hash, sym->name, (char *) sym); misc_symbol_hash = hash_new (); @@ -3091,7 +3086,7 @@ get_operands (struct opstruct operands[], char *line) int expecting_operand = 0; int i; - while (numexp < MAX_OPERANDS && !is_end_of_line[(int) *lptr]) + while (numexp < MAX_OPERANDS && !is_end_of_line[(unsigned char) *lptr]) { int paren_not_balanced = 0; char *op_start, *op_end; @@ -3153,7 +3148,7 @@ get_operands (struct opstruct operands[], char *line) while (*lptr && ISSPACE (*lptr++)) ; - if (!is_end_of_line[(int) *lptr]) + if (!is_end_of_line[(unsigned char) *lptr]) { as_bad (_("Extra junk on line")); return -1; @@ -3654,7 +3649,7 @@ encode_integer (tic54x_insn *insn, static int encode_condition (tic54x_insn *insn, struct opstruct *operand) { - symbol *cc = (symbol *) hash_find (cc_hash, operand->buf); + tic54x_symbol *cc = (tic54x_symbol *) hash_find (cc_hash, operand->buf); if (!cc) { as_bad (_("Unrecognized condition code \"%s\""), operand->buf); @@ -3714,7 +3709,7 @@ encode_condition (tic54x_insn *insn, struct opstruct *operand) static int encode_cc3 (tic54x_insn *insn, struct opstruct *operand) { - symbol *cc3 = (symbol *) hash_find (cc3_hash, operand->buf); + tic54x_symbol *cc3 = (tic54x_symbol *) hash_find (cc3_hash, operand->buf); int value = cc3 ? cc3->value : operand->exp.X_add_number << 8; if ((value & 0x0300) != value) @@ -3743,7 +3738,7 @@ encode_arx (tic54x_insn *insn, struct opstruct *operand) static int encode_cc2 (tic54x_insn *insn, struct opstruct *operand) { - symbol *cc2 = (symbol *) hash_find (cc2_hash, operand->buf); + tic54x_symbol *cc2 = (tic54x_symbol *) hash_find (cc2_hash, operand->buf); if (!cc2) { @@ -3902,7 +3897,8 @@ encode_operand (tic54x_insn *insn, enum optype type, struct opstruct *operand) 0, 65535, 0xFFFF); case OP_SBIT: { - symbol *sbit = (symbol *) hash_find (sbit_hash, operand->buf); + tic54x_symbol *sbit = (tic54x_symbol *) + hash_find (sbit_hash, operand->buf); int value = is_absolute (operand) ? operand->exp.X_add_number : (sbit ? sbit->value : -1); int reg = 0; @@ -3916,7 +3912,7 @@ encode_operand (tic54x_insn *insn, enum optype type, struct opstruct *operand) } /* Guess the register based on the status bit; "ovb" is the last status bit defined for st0. */ - if (sbit > (symbol *) hash_find (sbit_hash, "ovb")) + if (sbit > (tic54x_symbol *) hash_find (sbit_hash, "ovb")) reg = 1; } if (value == -1) @@ -3981,12 +3977,12 @@ static void emit_insn (tic54x_insn *insn) { int i; - flagword oldflags = bfd_get_section_flags (stdoutput, now_seg); + flagword oldflags = bfd_section_flags (now_seg); flagword flags = oldflags | SEC_CODE; - if (! bfd_set_section_flags (stdoutput, now_seg, flags)) + if (!bfd_set_section_flags (now_seg, flags)) as_warn (_("error setting flags for \"%s\": %s"), - bfd_section_name (stdoutput, now_seg), + bfd_section_name (now_seg), bfd_errmsg (bfd_get_error ())); for (i = 0; i < insn->words; i++) @@ -4204,7 +4200,7 @@ static int next_line_shows_parallel (char *next_line) { /* Look for the second half. */ - while (ISSPACE (*next_line)) + while (*next_line != 0 && ISSPACE (*next_line)) ++next_line; return (next_line[0] == PARALLEL_SEPARATOR @@ -4293,9 +4289,7 @@ subsym_get_arg (char *line, const char *terminators, char **str, int nosub) while (ISDIGIT (*ptr)) ++ptr; endp = ptr; - *str = xmalloc (ptr - line + 1); - strncpy (*str, line, ptr - line); - (*str)[ptr - line] = 0; + *str = xmemdup0 (line, ptr - line); } else if (is_string) { @@ -4327,9 +4321,7 @@ subsym_get_arg (char *line, const char *terminators, char **str, int nosub) ++term; } endp = ptr; - *str = xmalloc (ptr - line + 1); - strncpy (*str, line, ptr - line); - (*str)[ptr - line] = 0; + *str = xmemdup0 (line, ptr - line); /* Do simple substitution, if available. */ if (!nosub && (value = subsym_lookup (*str, macro_level)) != NULL) *str = value; @@ -4424,10 +4416,9 @@ subsym_substitute (char *line, int forced) if (strstr (line, ".macro")) return line; - while (!is_end_of_line[(int) *ptr]) + unsigned char current_char; + while (!is_end_of_line[(current_char = * (unsigned char *) ptr)]) { - int current_char = *ptr; - /* Need to update this since LINE may have been modified. */ if (eval_line) eval_end = strrchr (ptr, ','); @@ -4452,8 +4443,7 @@ subsym_substitute (char *line, int forced) continue; } *ptr++ = '\0'; - tmp = xmalloc (strlen (head) + 2 + strlen (ptr) + 1); - sprintf (tmp, "%s==%s", head, ptr); + tmp = concat (head, "==", ptr, (char *) NULL); /* Continue examining after the '=='. */ ptr = tmp + strlen (head) + 2; free (replacement); @@ -4674,7 +4664,7 @@ subsym_substitute (char *line, int forced) len = get_absolute_expression (); if (beg + len > strlen (value)) { - as_bad (_("Invalid length (use 0 to %d"), + as_bad (_("Invalid length (use 0 to %d)"), (int) strlen (value) - beg); break; } @@ -4748,12 +4738,11 @@ tic54x_start_line_hook (void) char *replacement = NULL; /* Work with a copy of the input line, including EOL char. */ - endp = input_line_pointer; - while (!is_end_of_line[(int) *endp++]) - ; - line = xmalloc (endp - input_line_pointer + 1); - strncpy (line, input_line_pointer, endp - input_line_pointer + 1); - line[endp - input_line_pointer] = 0; + for (endp = input_line_pointer; *endp != 0; ) + if (is_end_of_line[(unsigned char) *endp++]) + break; + + line = xmemdup0 (input_line_pointer, endp - input_line_pointer); /* Scan ahead for parallel insns. */ parallel_on_next_line_hint = next_line_shows_parallel (endp); @@ -4858,8 +4847,11 @@ md_assemble (char *line) { if (words > delay_slots) { - as_bad (_("Instruction does not fit in available delay " - "slots (%d-word insn, %d slots left)"), + as_bad (ngettext ("Instruction does not fit in available " + "delay slots (%d-word insn, %d slot left)", + "Instruction does not fit in available " + "delay slots (%d-word insn, %d slots left)", + delay_slots), words, delay_slots); delay_slots = 0; return; @@ -4930,9 +4922,13 @@ md_assemble (char *line) { if (words > delay_slots) { - as_warn (_("Instruction does not fit in available delay " - "slots (%d-word insn, %d slots left). " - "Resulting behavior is undefined."), + as_warn (ngettext ("Instruction does not fit in available " + "delay slots (%d-word insn, %d slot left). " + "Resulting behavior is undefined.", + "Instruction does not fit in available " + "delay slots (%d-word insn, %d slots left). " + "Resulting behavior is undefined.", + delay_slots), words, delay_slots); delay_slots = 0; return; @@ -5023,22 +5019,22 @@ tic54x_define_label (symbolS *sym) symbolS * tic54x_undefined_symbol (char *name) { - symbol *sym; + tic54x_symbol *sym; /* Not sure how to handle predefined symbols. */ - if ((sym = (symbol *) hash_find (cc_hash, name)) != NULL || - (sym = (symbol *) hash_find (cc2_hash, name)) != NULL || - (sym = (symbol *) hash_find (cc3_hash, name)) != NULL || - (sym = (symbol *) hash_find (misc_symbol_hash, name)) != NULL || - (sym = (symbol *) hash_find (sbit_hash, name)) != NULL) + if ((sym = (tic54x_symbol *) hash_find (cc_hash, name)) != NULL || + (sym = (tic54x_symbol *) hash_find (cc2_hash, name)) != NULL || + (sym = (tic54x_symbol *) hash_find (cc3_hash, name)) != NULL || + (sym = (tic54x_symbol *) hash_find (misc_symbol_hash, name)) != NULL || + (sym = (tic54x_symbol *) hash_find (sbit_hash, name)) != NULL) { return symbol_new (name, reg_section, (valueT) sym->value, &zero_address_frag); } - if ((sym = (symbol *) hash_find (reg_hash, name)) != NULL || - (sym = (symbol *) hash_find (mmreg_hash, name)) != NULL || + if ((sym = (tic54x_symbol *) hash_find (reg_hash, name)) != NULL || + (sym = (tic54x_symbol *) hash_find (mmreg_hash, name)) != NULL || !strcasecmp (name, "a") || !strcasecmp (name, "b")) { return symbol_new (name, reg_section, @@ -5342,7 +5338,7 @@ tic54x_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, Don't allow labels to start with '.' */ int -tic54x_start_label (int nul_char, int next_char) +tic54x_start_label (char * label_start, int nul_char, int next_char) { char *rest; @@ -5353,18 +5349,14 @@ tic54x_start_label (int nul_char, int next_char) /* Disallow labels starting with "." */ if (next_char != ':') { - char *label = input_line_pointer; - - while (!is_end_of_line[(int) label[-1]]) - --label; - if (*label == '.') + if (*label_start == '.') { - as_bad (_("Invalid label '%s'"), label); + as_bad (_("Invalid label '%s'"), label_start); return 0; } } - if (is_end_of_line[(int) next_char]) + if (is_end_of_line[(unsigned char) next_char]) return 1; rest = input_line_pointer;