02111-1307, USA. */
#if 0
-#define MASK_CHAR (0xFF) /* If your chars aren't 8 bits, you will
- change this a bit. But then, GNU isn't
- spozed to run on your machine anyway.
- (RMS is so shortsighted sometimes.)
- */
+/* If your chars aren't 8 bits, you will change this a bit.
+ But then, GNU isn't spozed to run on your machine anyway.
+ (RMS is so shortsighted sometimes.) */
+#define MASK_CHAR (0xFF)
#else
-#define MASK_CHAR ((int)(unsigned char)-1)
+#define MASK_CHAR ((int)(unsigned char) -1)
#endif
-
/* This is the largest known floating point format (for now). It will
- grow when we do 4361 style flonums. */
-
+ grow when we do 4361 style flonums. */
#define MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT (16)
/* Routines that read assembler source text to build spagetti in memory.
Another group of these functions is in the expr.c module. */
-/* for isdigit() */
+/* For isdigit (). */
#include <ctype.h>
#include "as.h"
/* Set by the object-format or the target. */
#ifndef TC_IMPLICIT_LCOMM_ALIGNMENT
-#define TC_IMPLICIT_LCOMM_ALIGNMENT(SIZE, P2VAR) \
- do { \
- if ((SIZE) >= 8) \
- (P2VAR) = 3; \
- else if ((SIZE) >= 4) \
- (P2VAR) = 2; \
- else if ((SIZE) >= 2) \
- (P2VAR) = 1; \
- else \
- (P2VAR) = 0; \
- } while (0)
+#define TC_IMPLICIT_LCOMM_ALIGNMENT(SIZE, P2VAR) \
+ do \
+ { \
+ if ((SIZE) >= 8) \
+ (P2VAR) = 3; \
+ else if ((SIZE) >= 4) \
+ (P2VAR) = 2; \
+ else if ((SIZE) >= 2) \
+ (P2VAR) = 1; \
+ else \
+ (P2VAR) = 0; \
+ } \
+ while (0)
#endif
/* The NOP_OPCODE is for the alignment fill value.
- * fill it a nop instruction so that the disassembler does not choke
- * on it
- */
+ Fill it a nop instruction so that the disassembler does not choke
+ on it. */
#ifndef NOP_OPCODE
#define NOP_OPCODE 0x00
#endif
-char *input_line_pointer; /*->next char of source file to parse. */
+char *input_line_pointer; /*->next char of source file to parse. */
#if BITS_PER_CHAR != 8
/* The following table is indexed by[(char)] and will break if
#define LEX_TILDE 0
#endif
-/* used by is_... macros. our ctype[] */
+/* Used by is_... macros. our ctype[]. */
char lex_type[256] =
{
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* @ABCDEFGHIJKLMNO */
LEX_AT, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, /* @ABCDEFGHIJKLMNO */
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, LEX_BR, 0, LEX_BR, 0, 3, /* PQRSTUVWXYZ[\]^_ */
0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, /* `abcdefghijklmno */
- 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, LEX_BR, 0, LEX_BR, LEX_TILDE, 0, /* pqrstuvwxyz{|}~. */
+ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, LEX_BR, 0, LEX_BR, LEX_TILDE, 0, /* pqrstuvwxyz{|}~. */
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3
};
-
-/*
- * In: a character.
- * Out: 1 if this character ends a line.
- */
+/* In: a character.
+ Out: 1 if this character ends a line. */
char is_end_of_line[256] =
{
#ifdef CR_EOL
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 /* */
};
-/* Functions private to this file. */
+/* Functions private to this file. */
-static char *buffer; /* 1st char of each buffer of lines is here. */
-static char *buffer_limit; /*->1 + last char in buffer. */
+static char *buffer; /* 1st char of each buffer of lines is here. */
+static char *buffer_limit; /*->1 + last char in buffer. */
-/* TARGET_BYTES_BIG_ENDIAN is required to be defined to either 0 or 1 in the
- tc-<CPU>.h file. See the "Porting GAS" section of the internals manual. */
+/* TARGET_BYTES_BIG_ENDIAN is required to be defined to either 0 or 1
+ in the tc-<CPU>.h file. See the "Porting GAS" section of the
+ internals manual. */
int target_big_endian = TARGET_BYTES_BIG_ENDIAN;
-static char *old_buffer; /* JF a hack */
+static char *old_buffer; /* JF a hack. */
static char *old_input;
static char *old_limit;
-/* Variables for handling include file directory table. */
+/* Variables for handling include file directory table. */
-char **include_dirs; /* Table of pointers to directories to
- search for .include's */
-int include_dir_count; /* How many are in the table */
-int include_dir_maxlen = 1;/* Length of longest in table */
+/* Table of pointers to directories to search for .include's. */
+char **include_dirs;
+
+/* How many are in the table. */
+int include_dir_count;
+
+/* Length of longest in table. */
+int include_dir_maxlen = 1;
#ifndef WORKING_DOT_WORD
struct broken_word *broken_words;
static int get_line_sb PARAMS ((sb *));
static void generate_file_debug PARAMS ((void));
\f
-
void
read_begin ()
{
obstack_begin (¬es, chunksize);
obstack_begin (&cond_obstack, chunksize);
- /* Use machine dependent syntax */
+ /* Use machine dependent syntax. */
for (p = line_separator_chars; *p; p++)
is_end_of_line[(unsigned char) *p] = 1;
- /* Use more. FIXME-SOMEDAY. */
+ /* Use more. FIXME-SOMEDAY. */
if (flag_mri)
lex_type['?'] = 3;
}
\f
-/* set up pseudo-op tables */
+/* Set up pseudo-op tables. */
static struct hash_control *po_hash;
{"balign", s_align_bytes, 0},
{"balignw", s_align_bytes, -2},
{"balignl", s_align_bytes, -4},
-/* block */
+/* block */
{"byte", cons, 1},
{"comm", s_comm, 0},
{"common", s_mri_common, 0},
#ifdef S_SET_DESC
{"desc", s_desc, 0},
#endif
-/* dim */
+/* dim */
{"double", float_cons, 'd'},
-/* dsect */
- {"eject", listing_eject, 0}, /* Formfeed listing */
+/* dsect */
+ {"eject", listing_eject, 0}, /* Formfeed listing. */
{"else", s_else, 0},
{"elsec", s_else, 0},
{"elseif", s_elseif, (int) O_ne},
{"endc", s_endif, 0},
{"endfunc", s_func, 1},
{"endif", s_endif, 0},
-/* endef */
+/* endef */
{"equ", s_set, 0},
{"equiv", s_set, 1},
{"err", s_err, 0},
{"exitm", s_mexit, 0},
-/* extend */
- {"extern", s_ignore, 0}, /* We treat all undef as ext */
+/* extend */
+ {"extern", s_ignore, 0}, /* We treat all undef as ext. */
{"appfile", s_app_file, 1},
{"appline", s_app_line, 0},
{"fail", s_fail, 0},
{"irpc", s_irp, 1},
{"irepc", s_irp, 1},
{"lcomm", s_lcomm, 0},
- {"lflags", listing_flags, 0}, /* Listing flags */
+ {"lflags", listing_flags, 0}, /* Listing flags. */
{"linkonce", s_linkonce, 0},
- {"list", listing_list, 1}, /* Turn listing on */
+ {"list", listing_list, 1}, /* Turn listing on. */
{"llen", listing_psize, 1},
{"long", cons, 4},
{"lsym", s_lsym, 0},
{".mri", s_mri, 0}, /* Special case so .mri works in MRI mode. */
{"name", s_ignore, 0},
{"noformat", s_ignore, 0},
- {"nolist", listing_list, 0}, /* Turn listing off */
+ {"nolist", listing_list, 0}, /* Turn listing off. */
{"nopage", listing_nopage, 0},
{"octa", cons, 16},
{"offset", s_struct, 0},
{"page", listing_eject, 0},
{"plen", listing_psize, 0},
{"print", s_print, 0},
- {"psize", listing_psize, 0}, /* set paper size */
+ {"psize", listing_psize, 0}, /* Set paper size. */
{"purgem", s_purgem, 0},
{"quad", cons, 8},
{"rep", s_rept, 0},
{"rept", s_rept, 0},
{"rva", s_rva, 4},
- {"sbttl", listing_title, 1}, /* Subtitle of listing */
-/* scl */
-/* sect */
+ {"sbttl", listing_title, 1}, /* Subtitle of listing. */
+/* scl */
+/* sect */
{"set", s_set, 0},
{"short", cons, 2},
{"single", float_cons, 'f'},
-/* size */
+/* size */
{"space", s_space, 0},
{"skip", s_space, 0},
{"sleb128", s_leb128, 1},
{"stabs", s_stab, 's'},
{"string", stringer, 1},
{"struct", s_struct, 0},
-/* tag */
+/* tag */
{"text", s_text, 0},
/* This is for gcc to use. It's only just been added (2/94), so gcc
this one. Match it either way... */
{"this_gcc_requires_the_gnu_assembler", s_ignore, 0},
- {"title", listing_title, 0}, /* Listing title */
+ {"title", listing_title, 0}, /* Listing title. */
{"ttl", listing_title, 0},
-/* type */
+/* type */
{"uleb128", s_leb128, 0},
-/* use */
-/* val */
+/* use */
+/* val */
{"xcom", s_comm, 0},
{"xdef", s_globl, 0},
{"xref", s_ignore, 0},
{"xstabs", s_xstab, 's'},
{"word", cons, 2},
{"zero", s_space, 0},
- {NULL, NULL, 0} /* end sentinel */
+ {NULL, NULL, 0} /* End sentinel. */
};
static int pop_override_ok = 0;
#define obj_pop_insert() pop_insert(obj_pseudo_table)
#endif
-static void
+static void
pobegin ()
{
po_hash = hash_new ();
- /* Do the target-specific pseudo ops. */
+ /* Do the target-specific pseudo ops. */
pop_table_name = "md";
md_pop_insert ();
- /* Now object specific. Skip any that were in the target table. */
+ /* Now object specific. Skip any that were in the target table. */
pop_table_name = "obj";
pop_override_ok = 1;
obj_pop_insert ();
- /* Now portable ones. Skip any that we've seen already. */
+ /* Now portable ones. Skip any that we've seen already. */
pop_table_name = "standard";
pop_insert (potable);
}
#define HANDLE_CONDITIONAL_ASSEMBLY() \
if (ignore_input ()) \
{ \
- while (! is_end_of_line[(unsigned char) *input_line_pointer++]) \
+ while (!is_end_of_line[(unsigned char) *input_line_pointer++]) \
if (input_line_pointer == buffer_limit) \
break; \
continue; \
}
-
/* This function is used when scrubbing the characters between #APP
and #NO_APP. */
return copy;
}
-/* read_a_source_file()
- *
- * We read the file, putting things into a web that
- * represents what we have been reading.
- */
-void
+/* We read the file, putting things into a web that represents what we
+ have been reading. */
+void
read_a_source_file (name)
char *name;
{
register char c;
- register char *s; /* string of symbol, '\0' appended */
+ register char *s; /* String of symbol, '\0' appended. */
register int temp;
pseudo_typeS *pop;
generate_file_debug ();
while ((buffer_limit = input_scrub_next_buffer (&input_line_pointer)) != 0)
- { /* We have another line to parse. */
- know (buffer_limit[-1] == '\n'); /* Must have a sentinel. */
+ { /* We have another line to parse. */
+ know (buffer_limit[-1] == '\n'); /* Must have a sentinel. */
contin: /* JF this goto is my fault I admit it.
Someone brave please re-write the whole
input section here? Pleeze??? */
while (input_line_pointer < buffer_limit)
{
- /* We have more of this buffer to parse. */
+ /* We have more of this buffer to parse. */
- /*
- * We now have input_line_pointer->1st char of next line.
- * If input_line_pointer [-1] == '\n' then we just
- * scanned another line: so bump line counters.
- */
+ /* We now have input_line_pointer->1st char of next line.
+ If input_line_pointer [-1] == '\n' then we just
+ scanned another line: so bump line counters. */
if (is_end_of_line[(unsigned char) input_line_pointer[-1]])
{
#ifdef md_start_line_hook
md_start_line_hook ();
#endif
-
if (input_line_pointer[-1] == '\n')
bump_line_counters ();
/* In MRI mode, we need to handle the MACRO
pseudo-op specially: we don't want to put the
symbol in the symbol table. */
- if (! mri_line_macro
+ if (!mri_line_macro
#ifdef TC_START_LABEL_WITHOUT_COLON
- && TC_START_LABEL_WITHOUT_COLON(c,
+ && TC_START_LABEL_WITHOUT_COLON(c,
input_line_pointer)
#endif
)
}
}
- /*
- * We are at the begining of a line, or similar place.
- * We expect a well-formed assembler statement.
- * A "symbol-name:" is a statement.
- *
- * Depending on what compiler is used, the order of these tests
- * may vary to catch most common case 1st.
- * Each test is independent of all other tests at the (top) level.
- * PLEASE make a compiler that doesn't use this assembler.
- * It is crufty to waste a compiler's time encoding things for this
- * assembler, which then wastes more time decoding it.
- * (And communicating via (linear) files is silly!
- * If you must pass stuff, please pass a tree!)
- */
+ /* We are at the begining of a line, or similar place.
+ We expect a well-formed assembler statement.
+ A "symbol-name:" is a statement.
+
+ Depending on what compiler is used, the order of these tests
+ may vary to catch most common case 1st.
+ Each test is independent of all other tests at the (top) level.
+ PLEASE make a compiler that doesn't use this assembler.
+ It is crufty to waste a compiler's time encoding things for this
+ assembler, which then wastes more time decoding it.
+ (And communicating via (linear) files is silly!
+ If you must pass stuff, please pass a tree!) */
if ((c = *input_line_pointer++) == '\t'
|| c == ' '
|| c == '\f'
|| c == 0)
- {
- c = *input_line_pointer++;
- }
- know (c != ' '); /* No further leading whitespace. */
+ c = *input_line_pointer++;
+
+ know (c != ' '); /* No further leading whitespace. */
#ifndef NO_LISTING
/* If listing is on, and we are expanding a macro, then give
int len;
/* Find the end of the current expanded macro line. */
- for (s = input_line_pointer-1; *s ; ++s)
+ for (s = input_line_pointer - 1; *s ; ++s)
if (is_end_of_line[(unsigned char) *s])
break;
copy = (char *) xmalloc (len + macro_nest + 2);
memset (copy, '>', macro_nest);
copy[macro_nest] = ' ';
- memcpy (copy + macro_nest + 1, input_line_pointer-1, len);
- copy[macro_nest+1+len] = '\0';
+ memcpy (copy + macro_nest + 1, input_line_pointer - 1, len);
+ copy[macro_nest + 1 + len] = '\0';
/* Install the line with the listing facility. */
listing_newline (copy);
listing_newline (NULL);
}
#endif
-
- /*
- * C is the 1st significant character.
- * Input_line_pointer points after that character.
- */
+ /* C is the 1st significant character.
+ Input_line_pointer points after that character. */
if (is_name_beginner (c))
{
- /* want user-defined label or pseudo/opcode */
+ /* Want user-defined label or pseudo/opcode. */
HANDLE_CONDITIONAL_ASSEMBLY ();
s = --input_line_pointer;
- c = get_symbol_end (); /* name's delimiter */
- /*
- * C is character after symbol.
- * That character's place in the input line is now '\0'.
- * S points to the beginning of the symbol.
- * [In case of pseudo-op, s->'.'.]
- * Input_line_pointer->'\0' where c was.
- */
- if (TC_START_LABEL(c, input_line_pointer))
+ c = get_symbol_end (); /* name's delimiter. */
+
+ /* C is character after symbol.
+ That character's place in the input line is now '\0'.
+ S points to the beginning of the symbol.
+ [In case of pseudo-op, s->'.'.]
+ Input_line_pointer->'\0' where c was. */
+ if (TC_START_LABEL (c, input_line_pointer))
{
if (flag_m68k_mri)
{
char *rest = input_line_pointer + 1;
/* In MRI mode, \tsym: set 0 is permitted. */
-
if (*rest == ':')
++rest;
+
if (*rest == ' ' || *rest == '\t')
++rest;
+
if ((strncasecmp (rest, "EQU", 3) == 0
|| strncasecmp (rest, "SET", 3) == 0)
&& (rest[3] == ' ' || rest[3] == '\t'))
}
}
- line_label = colon (s); /* user-defined label */
- *input_line_pointer++ = ':'; /* Put ':' back for error messages' sake. */
- /* Input_line_pointer->after ':'. */
+ line_label = colon (s); /* User-defined label. */
+ /* Put ':' back for error messages' sake. */
+ *input_line_pointer++ = ':';
+ /* Input_line_pointer->after ':'. */
SKIP_WHITESPACE ();
-
-
}
else if (c == '='
|| ((c == ' ' || c == '\t')
&& input_line_pointer[1] == '='
#ifdef TC_EQUAL_IN_INSN
- && ! TC_EQUAL_IN_INSN (c, input_line_pointer)
+ && !TC_EQUAL_IN_INSN (c, input_line_pointer)
#endif
))
{
demand_empty_rest_of_line ();
}
else
- { /* expect pseudo-op or machine instruction */
+ {
+ /* Expect pseudo-op or machine instruction. */
pop = NULL;
#define IGNORE_OPCODE_CASE
}
}
#endif
-
if (NO_PSEUDO_DOT || flag_m68k_mri)
{
/* The MRI assembler and the m88k use pseudo-ops
}
if (pop != NULL
- || (! flag_m68k_mri && *s == '.'))
+ || (!flag_m68k_mri && *s == '.'))
{
- /*
- * PSEUDO - OP.
- *
- * WARNING: c has next char, which may be end-of-line.
- * We lookup the pseudo-op table with s+1 because we
- * already know that the pseudo-op begins with a '.'.
- */
+ /* PSEUDO - OP.
+
+ WARNING: c has next char, which may be end-of-line.
+ We lookup the pseudo-op table with s+1 because we
+ already know that the pseudo-op begins with a '.'. */
if (pop == NULL)
pop = (pseudo_typeS *) hash_find (po_hash, s + 1);
this is. */
if (mri_pending_align
&& (pop == NULL
- || ! ((pop->poc_handler == cons
- && pop->poc_val == 1)
- || (pop->poc_handler == s_space
- && pop->poc_val == 1)
+ || !((pop->poc_handler == cons
+ && pop->poc_val == 1)
+ || (pop->poc_handler == s_space
+ && pop->poc_val == 1)
#ifdef tc_conditional_pseudoop
- || tc_conditional_pseudoop (pop)
+ || tc_conditional_pseudoop (pop)
#endif
- || pop->poc_handler == s_if
- || pop->poc_handler == s_ifdef
- || pop->poc_handler == s_ifc
- || pop->poc_handler == s_ifeqs
- || pop->poc_handler == s_else
- || pop->poc_handler == s_endif
- || pop->poc_handler == s_globl
- || pop->poc_handler == s_ignore)))
+ || pop->poc_handler == s_if
+ || pop->poc_handler == s_ifdef
+ || pop->poc_handler == s_ifc
+ || pop->poc_handler == s_ifeqs
+ || pop->poc_handler == s_else
+ || pop->poc_handler == s_endif
+ || pop->poc_handler == s_globl
+ || pop->poc_handler == s_ignore)))
{
do_align (1, (char *) NULL, 0, 0);
mri_pending_align = 0;
+
if (line_label != NULL)
{
symbol_set_frag (line_label, frag_now);
}
}
- /* Print the error msg now, while we still can */
+ /* Print the error msg now, while we still can. */
if (pop == NULL)
{
as_bad (_("Unknown pseudo-op: `%s'"), s);
continue;
}
- /* Put it back for error messages etc. */
+ /* Put it back for error messages etc. */
*input_line_pointer = c;
/* The following skip of whitespace is compulsory.
A well shaped space is sometimes all that separates
- keyword from operands. */
+ keyword from operands. */
if (c == ' ' || c == '\t')
input_line_pointer++;
- /*
- * Input_line is restored.
- * Input_line_pointer->1st non-blank char
- * after pseudo-operation.
- */
+
+ /* Input_line is restored.
+ Input_line_pointer->1st non-blank char
+ after pseudo-operation. */
(*pop->poc_handler) (pop->poc_val);
/* If that was .end, just get out now. */
int inescape = 0;
#endif
- /* WARNING: c has char, which may be end-of-line. */
- /* Also: input_line_pointer->`\0` where c was. */
+ /* WARNING: c has char, which may be end-of-line. */
+ /* Also: input_line_pointer->`\0` where c was. */
*input_line_pointer = c;
while (!is_end_of_line[(unsigned char) *input_line_pointer]
|| inquote
)
{
if (flag_m68k_mri && *input_line_pointer == '\'')
- inquote = ! inquote;
+ inquote = !inquote;
#ifdef QUOTES_IN_INSN
if (inescape)
inescape = 0;
else if (*input_line_pointer == '"')
- inquote = ! inquote;
+ inquote = !inquote;
else if (*input_line_pointer == '\\')
inescape = 1;
#endif
{
sb out;
const char *err;
- macro_entry *macro;
+ macro_entry *macro;
if (check_macro (s, &out, '\0', &err, ¯o))
{
buffer_limit =
input_scrub_next_buffer (&input_line_pointer);
#ifdef md_macro_info
- md_macro_info (macro);
+ md_macro_info (macro);
#endif
continue;
}
}
}
- md_assemble (s); /* Assemble 1 instruction. */
+ md_assemble (s); /* Assemble 1 instruction. */
*input_line_pointer++ = c;
/* We resume loop AFTER the end-of-line from
- this instruction. */
- } /* if (*s=='.') */
- } /* if c==':' */
+ this instruction. */
+ }
+ }
continue;
- } /* if (is_name_beginner(c) */
-
+ }
/* Empty statement? */
if (is_end_of_line[(unsigned char) c])
if ((LOCAL_LABELS_DOLLAR || LOCAL_LABELS_FB)
&& isdigit ((unsigned char) c))
{
- /* local label ("4:") */
+ /* local label ("4:") */
char *backup = input_line_pointer;
HANDLE_CONDITIONAL_ASSEMBLY ();
temp = c - '0';
+ /* Read the whole number. */
while (isdigit ((unsigned char) *input_line_pointer))
{
temp = (temp * 10) + *input_line_pointer - '0';
++input_line_pointer;
- } /* read the whole number */
+ }
if (LOCAL_LABELS_DOLLAR
&& *input_line_pointer == '$'
} /* local label ("4:") */
if (c && strchr (line_comment_chars, c))
- { /* Its a comment. Better say APP or NO_APP */
+ { /* Its a comment. Better say APP or NO_APP. */
char *ends;
char *new_buf;
char *new_tmp;
/* The end of the #APP wasn't in this buffer. We
keep reading in buffers until we find the #NO_APP
that goes with this #APP There is one. The specs
- guarentee it. . . */
+ guarentee it... */
tmp_len = buffer_limit - s;
tmp_buf = xmalloc (tmp_len + 1);
memcpy (tmp_buf, s, tmp_len);
buffer = new_buf;
input_line_pointer = new_buf;
buffer_limit = new_tmp;
+
continue;
}
if (tc_unrecognized_line (c))
continue;
#endif
-
- /* as_warn("Junk character %d.",c); Now done by ignore_rest */
- input_line_pointer--; /* Report unknown char as ignored. */
+ /* as_warn (_("Junk character %d."),c); Now done by ignore_rest. */
+ input_line_pointer--; /* Report unknown char as ignored. */
ignore_rest_of_line ();
- } /* while (input_line_pointer<buffer_limit) */
+ }
#ifdef md_after_pass_hook
md_after_pass_hook ();
goto contin;
}
}
- } /* while (more buffers to scan) */
+ }
quit:
#ifdef md_cleanup
- md_cleanup();
+ md_cleanup ();
#endif
- input_scrub_close (); /* Close the input file */
+ /* Close the input file. */
+ input_scrub_close ();
}
/* For most MRI pseudo-ops, the line actually ends at the first
mri_comment_field (stopcp)
char *stopcp;
{
-#ifdef TC_M68K
-
char *s;
+#ifdef TC_M68K
int inquote = 0;
know (flag_m68k_mri);
for (s = input_line_pointer;
- ((! is_end_of_line[(unsigned char) *s] && *s != ' ' && *s != '\t')
+ ((!is_end_of_line[(unsigned char) *s] && *s != ' ' && *s != '\t')
|| inquote);
s++)
{
if (*s == '\'')
- inquote = ! inquote;
+ inquote = !inquote;
}
- *stopcp = *s;
- *s = '\0';
- return s;
-
#else
-
- char *s;
-
- for (s = input_line_pointer; ! is_end_of_line[(unsigned char) *s]; s++)
+ for (s = input_line_pointer;
+ !is_end_of_line[(unsigned char) *s];
+ s++)
;
+#endif
*stopcp = *s;
*s = '\0';
+
return s;
-
-#endif
-
}
/* Skip to the end of an MRI comment field. */
input_line_pointer = stop;
*stop = stopc;
- while (! is_end_of_line[(unsigned char) *input_line_pointer])
+ while (!is_end_of_line[(unsigned char) *input_line_pointer])
++input_line_pointer;
}
-void
+void
s_abort (ignore)
int ignore ATTRIBUTE_UNUSED;
{
the maximum number of characters to skip when doing the alignment,
or 0 if there is no maximum. */
-static void
+static void
do_align (n, fill, len, max)
int n;
char *fill;
len = 1;
}
- /* Only make a frag if we HAVE to. . . */
+ /* Only make a frag if we HAVE to... */
if (n != 0 && !need_pass_2)
{
if (len <= 1)
if (arg < 0)
align = 0;
else
- align = arg; /* Default value from pseudo-op table */
+ align = arg; /* Default value from pseudo-op table. */
}
else
{
;
if (align != 1)
as_bad (_("Alignment not a power of 2"));
+
align = i;
}
}
}
}
- if (! fill_p)
+ if (!fill_p)
{
if (arg < 0)
as_warn (_("expected fill pattern missing"));
if (arg >= 0)
fill_len = 1;
else
- fill_len = - arg;
+ fill_len = -arg;
if (fill_len <= 1)
{
char fill_char;
/* Handle the .align pseudo-op on machines where ".align 4" means
align to a 4 byte boundary. */
-void
+void
s_align_bytes (arg)
int arg;
{
/* Handle the .align pseudo-op on machines where ".align 4" means align
to a 2**4 boundary. */
-void
+void
s_align_ptwo (arg)
int arg;
{
s_align (arg, 0);
}
-void
+void
s_comm (ignore)
int ignore ATTRIBUTE_UNUSED;
{
name = input_line_pointer;
c = get_symbol_end ();
- /* just after name is now '\0' */
+ /* Just after name is now '\0'. */
p = input_line_pointer;
*p = c;
SKIP_WHITESPACE ();
+
if (*input_line_pointer != ',')
{
as_bad (_("Expected comma after symbol-name: rest of line ignored."));
mri_comment_end (stop, stopc);
return;
}
+
input_line_pointer++; /* skip ',' */
+
if ((temp = get_absolute_expression ()) < 0)
{
as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) temp);
mri_comment_end (stop, stopc);
return;
}
+
*p = 0;
symbolP = symbol_find_or_make (name);
*p = c;
- if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP))
+
+ if (S_IS_DEFINED (symbolP) && !S_IS_COMMON (symbolP))
{
as_bad (_("Ignoring attempt to re-define symbol `%s'."),
S_GET_NAME (symbolP));
mri_comment_end (stop, stopc);
return;
}
+
if (S_GET_VALUE (symbolP))
{
if (S_GET_VALUE (symbolP) != (valueT) temp)
#ifdef OBJ_VMS
{
extern int flag_one;
- if ( (!temp) || !flag_one)
+ if (!temp || !flag_one)
S_GET_OTHER(symbolP) = const_flag;
}
#endif /* not OBJ_VMS */
char *stop = NULL;
char stopc;
- if (! flag_mri)
+ if (!flag_mri)
{
s_comm (0);
return;
SKIP_WHITESPACE ();
name = input_line_pointer;
- if (! isdigit ((unsigned char) *name))
+ if (!isdigit ((unsigned char) *name))
c = get_symbol_end ();
else
{
++input_line_pointer;
}
while (isdigit ((unsigned char) *input_line_pointer));
+
c = *input_line_pointer;
*input_line_pointer = '\0';
align = get_absolute_expression ();
}
- if (S_IS_DEFINED (sym) && ! S_IS_COMMON (sym))
+ if (S_IS_DEFINED (sym) && !S_IS_COMMON (sym))
{
as_bad (_("attempt to re-define symbol `%s'"), S_GET_NAME (sym));
ignore_rest_of_line ();
definition for .file; the APPFILE argument is 1 for .appfile, 0 for
.file. */
-void
+void
s_app_file (appfile)
int appfile;
{
register char *s;
int length;
- /* Some assemblers tolerate immediately following '"' */
+ /* Some assemblers tolerate immediately following '"'. */
if ((s = demand_copy_string (&length)) != 0)
{
/* If this is a fake .appfile, a fake newline was inserted into
the buffer. Passing -2 to new_logical_line tells it to
account for it. */
int may_omit
- = (! new_logical_line (s, appfile ? -2 : -1) && appfile);
+ = (!new_logical_line (s, appfile ? -2 : -1) && appfile);
/* In MRI mode, the preprocessor may have inserted an extraneous
backquote. */
++input_line_pointer;
demand_empty_rest_of_line ();
- if (! may_omit)
+ if (!may_omit)
{
#ifdef LISTING
if (listing)
if (l < 0)
/* Some of the back ends can't deal with non-positive line numbers.
Besides, it's silly. */
- as_warn (_("Line numbers must be positive; line number %d rejected."), l+1);
+ as_warn (_("Line numbers must be positive; line number %d rejected."),
+ l + 1);
else
{
new_logical_line ((char *) NULL, l);
/* The MRI assembler permits the start symbol to follow .end,
but we don't support that. */
SKIP_WHITESPACE ();
- if (! is_end_of_line[(unsigned char) *input_line_pointer]
+ if (!is_end_of_line[(unsigned char) *input_line_pointer]
&& *input_line_pointer != '*'
&& *input_line_pointer != '!')
as_warn (_("start address not supported"));
mri_comment_end (stop, stopc);
}
-void
+void
s_fill (ignore)
int ignore ATTRIBUTE_UNUSED;
{
p = frag_var (rs_space, (int) size, (int) size,
(relax_substateT) 0, rep_sym, (offsetT) 0, (char *) 0);
}
+
memset (p, 0, (unsigned int) size);
+
/* The magic number BSD_FILL_SIZE_CROCK_4 is from BSD 4.2 VAX
- * flavoured AS. The following bizzare behaviour is to be
- * compatible with above. I guess they tried to take up to 8
- * bytes from a 4-byte expression and they forgot to sign
- * extend. Un*x Sux. */
+ flavoured AS. The following bizzare behaviour is to be
+ compatible with above. I guess they tried to take up to 8
+ bytes from a 4-byte expression and they forgot to sign
+ extend. Un*x Sux. */
#define BSD_FILL_SIZE_CROCK_4 (4)
md_number_to_chars (p, (valueT) fill,
(size > BSD_FILL_SIZE_CROCK_4
? BSD_FILL_SIZE_CROCK_4
: (int) size));
/* Note: .fill (),0 emits no frag (since we are asked to .fill 0 bytes)
- * but emits no error message because it seems a legal thing to do.
- * It is a degenerate case of .fill but could be emitted by a compiler.
- */
+ but emits no error message because it seems a legal thing to do.
+ It is a degenerate case of .fill but could be emitted by a
+ compiler. */
}
demand_empty_rest_of_line ();
}
-void
+void
s_globl (ignore)
int ignore ATTRIBUTE_UNUSED;
{
as_where (&file, &line);
sb_new (&s);
- while (! is_end_of_line[(unsigned char) *input_line_pointer])
+ while (!is_end_of_line[(unsigned char) *input_line_pointer])
sb_add_char (&s, *input_line_pointer++);
sb_new (&out);
type = LINKONCE_DISCARD;
- if (! is_end_of_line[(unsigned char) *input_line_pointer])
+ if (!is_end_of_line[(unsigned char) *input_line_pointer])
{
char *s;
char c;
flags |= SEC_LINK_DUPLICATES_SAME_CONTENTS;
break;
}
- if (! bfd_set_section_flags (stdoutput, now_seg, flags))
+ if (!bfd_set_section_flags (stdoutput, now_seg, flags))
as_bad (_("bfd_set_section_flags: %s"),
bfd_errmsg (bfd_get_error ()));
}
demand_empty_rest_of_line ();
}
-static void
+static void
s_lcomm_internal (needs_align, bytes_p)
/* 1 if this was a ".bss" directive, which may require a 3rd argument
- (alignment); 0 if it was an ".lcomm" (2 args only) */
+ (alignment); 0 if it was an ".lcomm" (2 args only). */
int needs_align;
/* 1 if the alignment value should be interpreted as the byte boundary,
- rather than the power of 2. */
+ rather than the power of 2. */
int bytes_p;
{
register char *name;
bss_seg = subseg_new (".sbss", 1);
seg_info (bss_seg)->bss = 1;
#ifdef BFD_ASSEMBLER
- if (! bfd_set_section_flags (stdoutput, bss_seg, SEC_ALLOC))
+ if (!bfd_set_section_flags (stdoutput, bss_seg, SEC_ALLOC))
as_warn (_("error setting flags for \".sbss\": %s"),
bfd_errmsg (bfd_get_error ()));
#endif
}
#endif
- if (!needs_align)
- {
- TC_IMPLICIT_LCOMM_ALIGNMENT (temp, align);
+ if (!needs_align)
+ {
+ TC_IMPLICIT_LCOMM_ALIGNMENT (temp, align);
- /* Still zero unless TC_IMPLICIT_LCOMM_ALIGNMENT set it. */
- if (align)
- record_alignment(bss_seg, align);
- }
+ /* Still zero unless TC_IMPLICIT_LCOMM_ALIGNMENT set it. */
+ if (align)
+ record_alignment (bss_seg, align);
+ }
if (needs_align)
{
align = 0;
SKIP_WHITESPACE ();
+
if (*input_line_pointer != ',')
{
as_bad (_("Expected comma after size"));
ignore_rest_of_line ();
return;
}
+
input_line_pointer++;
SKIP_WHITESPACE ();
+
if (*input_line_pointer == '\n')
{
as_bad (_("Missing alignment"));
return;
}
+
align = get_absolute_expression ();
+
if (bytes_p)
{
/* Convert to a power of 2. */
align = i;
}
}
+
if (align > max_alignment)
{
align = max_alignment;
align = 0;
as_warn (_("Alignment negative. 0 assumed."));
}
+
record_alignment (bss_seg, align);
- } /* if needs align */
+ }
else
{
/* Assume some objects may require alignment on some systems. */
if (align)
frag_align (align, 0, 0);
- /* detach from old frag */
+
+ /* Detach from old frag. */
if (S_GET_SEGMENT (symbolP) == bss_seg)
symbol_get_frag (symbolP)->fr_symbol = NULL;
symbol_set_frag (symbolP, frag_now);
- pfrag = frag_var (rs_org, 1, 1, (relax_substateT)0, symbolP,
+ pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP,
(offsetT) temp, (char *) 0);
*pfrag = 0;
#ifdef OBJ_COFF
/* The symbol may already have been created with a preceding
".globl" directive -- be careful not to step on storage class
- in that case. Otherwise, set it to static. */
+ in that case. Otherwise, set it to static. */
if (S_GET_STORAGE_CLASS (symbolP) != C_EXT)
{
S_SET_STORAGE_CLASS (symbolP, C_STAT);
subseg_set (current_seg, current_subseg);
demand_empty_rest_of_line ();
-} /* s_lcomm_internal() */
+}
void
s_lcomm (needs_align)
s_lcomm_internal (needs_align, 0);
}
-void s_lcomm_bytes (needs_align)
+void
+s_lcomm_bytes (needs_align)
int needs_align;
{
s_lcomm_internal (needs_align, 1);
}
-void
+void
s_lsym (ignore)
int ignore ATTRIBUTE_UNUSED;
{
expressionS exp;
register symbolS *symbolP;
- /* we permit ANY defined expression: BSD4.2 demands constants */
+ /* We permit ANY defined expression: BSD4.2 demands constants. */
name = input_line_pointer;
c = get_symbol_end ();
p = input_line_pointer;
*p = c;
SKIP_WHITESPACE ();
+
if (*input_line_pointer != ',')
{
*p = 0;
ignore_rest_of_line ();
return;
}
+
input_line_pointer++;
expression (&exp);
+
if (exp.X_op != O_constant
&& exp.X_op != O_register)
{
ignore_rest_of_line ();
return;
}
+
*p = 0;
symbolP = symbol_find_or_make (name);
those fields, and I can't see when they'd ever be tripped. I
don't think I understand why they were here so I may have
introduced a bug. As recently as 1.37 didn't have this test
- anyway. xoxorich. */
+ anyway. xoxorich. */
if (S_GET_SEGMENT (symbolP) == undefined_section
&& S_GET_VALUE (symbolP) == 0)
{
/* The name might be an undefined .global symbol; be sure to
- keep the "external" bit. */
+ keep the "external" bit. */
S_SET_SEGMENT (symbolP,
(exp.X_op == O_constant
? absolute_section
{
as_bad (_("Symbol %s already defined"), name);
}
+
*p = c;
demand_empty_rest_of_line ();
-} /* s_lsym() */
+}
/* Read a line into an sb. */
/* If app.c sets any other characters to LEX_IS_STRINGQUOTE, this
code needs to be changed. */
- if (! flag_m68k_mri)
+ if (!flag_m68k_mri)
quote1 = '"';
else
quote1 = '\0';
#endif
inquote = '\0';
- while (! is_end_of_line[(unsigned char) *input_line_pointer]
+
+ while (!is_end_of_line[(unsigned char) *input_line_pointer]
|| (inquote != '\0' && *input_line_pointer != '\n'))
{
if (inquote == *input_line_pointer)
else if (*input_line_pointer == quote2)
inquote = quote2;
}
+
sb_add_char (line, *input_line_pointer++);
}
+
while (input_line_pointer < buffer_limit
&& is_end_of_line[(unsigned char) *input_line_pointer])
{
bump_line_counters ();
++input_line_pointer;
}
+
return 1;
}
as_where (&file, &line);
sb_new (&s);
- while (! is_end_of_line[(unsigned char) *input_line_pointer])
+ while (!is_end_of_line[(unsigned char) *input_line_pointer])
sb_add_char (&s, *input_line_pointer++);
sb_new (&label);
if (((NO_PSEUDO_DOT || flag_m68k_mri)
&& hash_find (po_hash, name) != NULL)
- || (! flag_m68k_mri
+ || (!flag_m68k_mri
&& *name == '.'
&& hash_find (po_hash, name + 1) != NULL))
as_warn (_("attempt to redefine pseudo-op `%s' ignored"),
}
}
-void
+void
s_org (ignore)
int ignore ATTRIBUTE_UNUSED;
{
do_org (segment, &exp, temp_fill);
demand_empty_rest_of_line ();
-} /* s_org() */
+}
/* Handle parsing for the MRI SECT/SECTION pseudo-op. This should be
called by the obj-format routine which handles section changing
segT seg;
SKIP_WHITESPACE ();
-
+
name = input_line_pointer;
- if (! isdigit ((unsigned char) *name))
+ if (!isdigit ((unsigned char) *name))
c = get_symbol_end ();
else
{
++input_line_pointer;
}
while (isdigit ((unsigned char) *input_line_pointer));
+
c = *input_line_pointer;
*input_line_pointer = '\0';
}
flags = SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_READONLY | SEC_ROM;
if (flags != SEC_NO_FLAGS)
{
- if (! bfd_set_section_flags (stdoutput, seg, flags))
+ if (!bfd_set_section_flags (stdoutput, seg, flags))
as_warn (_("error setting flags for \"%s\": %s"),
bfd_section_name (stdoutput, seg),
bfd_errmsg (bfd_get_error ()));
}
}
- demand_empty_rest_of_line ();
+ demand_empty_rest_of_line ();
#else /* ! TC_I960 */
/* The MRI assembler seems to use different forms of .sect for
count = get_absolute_expression ();
- do_repeat(count, "REPT", "ENDR");
+ do_repeat (count, "REPT", "ENDR");
}
/* This function provides a generic repeat block implementation. It allows
- different directives to be used as the start/end keys. */
+ different directives to be used as the start/end keys. */
void
do_repeat (count, start, end)
- int count;
- const char *start;
- const char *end;
+ int count;
+ const char *start;
+ const char *end;
{
sb one;
sb many;
sb_new (&one);
- if (! buffer_and_nest (start, end, &one, get_line_sb))
+ if (!buffer_and_nest (start, end, &one, get_line_sb))
{
as_bad (_("%s without %s"), start, end);
return;
/* Skip to end of current repeat loop; EXTRA indicates how many additional
input buffers to skip. Assumes that conditionals preceding the loop end
- are properly nested.
+ are properly nested.
This function makes it easier to implement a premature "break" out of the
loop. The EXTRA arg accounts for other buffers we might have inserted,
- such as line substitutions. */
+ such as line substitutions. */
void
end_repeat (extra)
- int extra;
+ int extra;
{
cond_exit_macro (macro_nest);
while (extra-- >= 0)
this is .equiv, and it is an error if the symbol is already
defined. */
-void
+void
s_set (equiv)
int equiv;
{
register char *end_name;
register symbolS *symbolP;
- /*
- * Especial apologies for the random logic:
- * this just grew, and could be parsed much more simply!
- * Dean in haste.
- */
+ /* Especial apologies for the random logic:
+ this just grew, and could be parsed much more simply!
+ Dean in haste. */
name = input_line_pointer;
delim = get_symbol_end ();
end_name = input_line_pointer;
if (name[0] == '.' && name[1] == '\0')
{
- /* Turn '. = mumble' into a .org mumble */
+ /* Turn '. = mumble' into a .org mumble. */
register segT segment;
expressionS exp;
if (listing & LISTING_SYMBOLS)
{
extern struct list_info_struct *listing_tail;
- fragS *dummy_frag = (fragS *) xmalloc (sizeof(fragS));
- memset (dummy_frag, 0, sizeof(fragS));
+ fragS *dummy_frag = (fragS *) xmalloc (sizeof (fragS));
+ memset (dummy_frag, 0, sizeof (fragS));
dummy_frag->fr_type = rs_fill;
dummy_frag->line = listing_tail;
symbolP = symbol_new (name, undefined_section, 0, dummy_frag);
}
else
#endif
- symbolP = symbol_new (name, undefined_section, 0, &zero_address_frag);
-
+ symbolP = symbol_new (name, undefined_section, 0, &zero_address_frag);
+
#ifdef OBJ_COFF
- /* "set" symbols are local unless otherwise specified. */
+ /* "set" symbols are local unless otherwise specified. */
SF_SET_LOCAL (symbolP);
#endif /* OBJ_COFF */
-
- } /* make a new symbol */
+ }
symbol_table_insert (symbolP);
pseudo_set (symbolP);
demand_empty_rest_of_line ();
-} /* s_set() */
+}
-void
+void
s_space (mult)
int mult;
{
bytes = repeat;
if (repeat <= 0)
{
- if (! flag_mri)
+ if (!flag_mri)
as_warn (_(".space repeat count is zero, ignored"));
else if (repeat < 0)
as_warn (_(".space repeat count is negative, ignored"));
as_bad (_("space allocation too complex in absolute section"));
subseg_set (text_section, 0);
}
+
if (mri_common_symbol != NULL)
{
as_bad (_("space allocation too complex in common section"));
mri_common_symbol = NULL;
}
+
if (!need_pass_2)
p = frag_var (rs_space, 1, 1, (relax_substateT) 0,
make_expr_symbol (&exp), (offsetT) 0, (char *) 0);
#ifdef OBJ_VMS
const_flag &= ~IN_DEFAULT_SECTION;
#endif
-} /* s_text() */
+}
\f
-
-void
+void
demand_empty_rest_of_line ()
{
SKIP_WHITESPACE ();
if (is_end_of_line[(unsigned char) *input_line_pointer])
- {
- input_line_pointer++;
- }
+ input_line_pointer++;
else
- {
- ignore_rest_of_line ();
- }
- /* Return having already swallowed end-of-line. */
-} /* Return pointing just after end-of-line. */
+ ignore_rest_of_line ();
+
+ /* Return having already swallowed end-of-line. */
+}
void
-ignore_rest_of_line () /* For suspect lines: gives warning. */
+ignore_rest_of_line ()
{
+ /* For suspect lines: gives warning. */
if (!is_end_of_line[(unsigned char) *input_line_pointer])
{
if (isprint ((unsigned char) *input_line_pointer))
else
as_bad (_("Rest of line ignored. First ignored character valued 0x%x."),
*input_line_pointer);
+
while (input_line_pointer < buffer_limit
&& !is_end_of_line[(unsigned char) *input_line_pointer])
- {
- input_line_pointer++;
- }
+ input_line_pointer++;
}
- input_line_pointer++; /* Return pointing just after end-of-line. */
+
+ input_line_pointer++;
+
+ /* Return pointing just after end-of-line. */
know (is_end_of_line[(unsigned char) input_line_pointer[-1]]);
}
discard_rest_of_line ()
{
while (input_line_pointer < buffer_limit
- && !is_end_of_line[(unsigned char) *input_line_pointer])
- {
- input_line_pointer++;
- }
- input_line_pointer++; /* Return pointing just after end-of-line. */
+ && !is_end_of_line[(unsigned char) *input_line_pointer])
+ input_line_pointer++;
+
+ input_line_pointer++;
+
+ /* Return pointing just after end-of-line. */
know (is_end_of_line[(unsigned char) input_line_pointer[-1]]);
}
-/*
- * pseudo_set()
- *
- * In: Pointer to a symbol.
- * Input_line_pointer->expression.
- *
- * Out: Input_line_pointer->just after any whitespace after expression.
- * Tried to set symbol to value of expression.
- * Will change symbols type, value, and frag;
- */
+/* In: Pointer to a symbol.
+ Input_line_pointer->expression.
+
+ Out: Input_line_pointer->just after any whitespace after expression.
+ Tried to set symbol to value of expression.
+ Will change symbols type, value, and frag; */
+
void
pseudo_set (symbolP)
symbolS *symbolP;
int ext;
#endif /* OBJ_AOUT or OBJ_BOUT */
- know (symbolP); /* NULL pointer is logic error. */
+ know (symbolP); /* NULL pointer is logic error. */
#if (defined (OBJ_AOUT) || defined (OBJ_BOUT)) && ! defined (BFD_ASSEMBLER)
ext = S_IS_EXTERNAL (symbolP);
#endif /* OBJ_AOUT or OBJ_BOUT */
#endif /* OBJ_AOUT or OBJ_BOUT */
S_SET_VALUE (symbolP, (valueT) exp.X_add_number);
if (exp.X_op != O_constant)
- symbol_set_frag (symbolP, &zero_address_frag);
+ symbol_set_frag (symbolP, &zero_address_frag);
break;
case O_register:
}
}
\f
-/*
- * cons()
- *
- * CONStruct more frag of .bytes, or .words etc.
- * Should need_pass_2 be 1 then emit no frag(s).
- * This understands EXPRESSIONS.
- *
- * Bug (?)
- *
- * This has a split personality. We use expression() to read the
- * value. We can detect if the value won't fit in a byte or word.
- * But we can't detect if expression() discarded significant digits
- * in the case of a long. Not worth the crocks required to fix it.
- */
+/* cons()
+
+ CONStruct more frag of .bytes, or .words etc.
+ Should need_pass_2 be 1 then emit no frag(s).
+ This understands EXPRESSIONS.
+
+ Bug (?)
+
+ This has a split personality. We use expression() to read the
+ value. We can detect if the value won't fit in a byte or word.
+ But we can't detect if expression() discarded significant digits
+ in the case of a long. Not worth the crocks required to fix it. */
/* Select a parser for cons expressions. */
#ifndef TC_PARSE_CONS_EXPRESSION
#ifdef BITFIELD_CONS_EXPRESSIONS
#define TC_PARSE_CONS_EXPRESSION(EXP, NBYTES) parse_bitfield_cons (EXP, NBYTES)
-static void
+static void
parse_bitfield_cons PARAMS ((expressionS *exp, unsigned int nbytes));
#endif
#ifdef REPEAT_CONS_EXPRESSIONS
#endif
#endif
-/* worker to do .byte etc statements */
-/* clobbers input_line_pointer, checks */
-/* end-of-line. */
-static void
+/* Worker to do .byte etc statements.
+ Clobbers input_line_pointer and checks end-of-line. */
+
+static void
cons_worker (nbytes, rva)
- register int nbytes; /* 1=.byte, 2=.word, 4=.long */
+ register int nbytes; /* 1=.byte, 2=.word, 4=.long. */
int rva;
{
int c;
if (flag_mri && nbytes == 1 && (c & 1) != 0)
mri_pending_align = 1;
- input_line_pointer--; /* Put terminator back into stream. */
+ input_line_pointer--; /* Put terminator back into stream. */
demand_empty_rest_of_line ();
mri_comment_end (stop, stopc);
}
-
void
cons (size)
int size;
cons_worker (size, 0);
}
-void
+void
s_rva (size)
int size;
{
{
unsigned long next;
- next = (((~ (generic_bignum[i] & LITTLENUM_MASK))
+ next = (((~(generic_bignum[i] & LITTLENUM_MASK))
& LITTLENUM_MASK)
+ carry);
generic_bignum[i] = next & LITTLENUM_MASK;
valueT val;
int gencnt;
- if (! exp->X_unsigned && exp->X_add_number < 0)
+ if (!exp->X_unsigned && exp->X_add_number < 0)
extra_digit = (valueT) -1;
val = (valueT) exp->X_add_number;
gencnt = 0;
register valueT unmask;
/* JF << of >= number of bits in the object is undefined. In
- particular SPARC (Sun 4) has problems */
+ particular SPARC (Sun 4) has problems. */
if (nbytes >= sizeof (valueT))
{
mask = 0;
}
else
{
- /* Don't store these bits. */
+ /* Don't store these bits. */
mask = ~(valueT) 0 << (BITS_PER_CHAR * nbytes);
hibit = (valueT) 1 << (nbytes * BITS_PER_CHAR - 1);
}
- unmask = ~mask; /* Do store these bits. */
+ unmask = ~mask; /* Do store these bits. */
#ifdef NEVER
"Do this mod if you want every overflow check to assume SIGNED 2's complement data.";
- mask = ~(unmask >> 1); /* Includes sign bit now. */
+ mask = ~(unmask >> 1); /* Includes sign bit now. */
#endif
get = exp->X_add_number;
if ((get & mask) != 0
&& ((get & mask) != mask
|| (get & hibit) == 0))
- { /* Leading bits contain both 0s & 1s. */
+ { /* Leading bits contain both 0s & 1s. */
as_warn (_("Value 0x%lx truncated to 0x%lx."),
(unsigned long) get, (unsigned long) use);
}
- /* put bytes in right order. */
+ /* Put bytes in right order. */
md_number_to_chars (p, use, (int) nbytes);
}
else if (op == O_big)
To use this function the tc-XXX.h file should define
BITFIELD_CONS_EXPRESSIONS. */
-static void
+static void
parse_bitfield_cons (exp, nbytes)
expressionS *exp;
unsigned int nbytes;
(void) expression (exp);
if (*input_line_pointer == ':')
- { /* bitfields */
+ {
+ /* Bitfields. */
long value = 0;
for (;;)
{
input_line_pointer = hold;
break;
- } /* next piece is not a bitfield */
+ } /* Next piece is not a bitfield. */
/* In the general case, we can't allow
full expressions with symbol
backends. I'm lazy. I'll take any
SEG_ABSOLUTE. I think that means that
you can use a previous .set or
- .equ type symbol. xoxorich. */
+ .equ type symbol. xoxorich. */
if (exp->X_op == O_absent)
{
as_warn (_("using a bit field width of zero"));
exp->X_add_number = 0;
exp->X_op = O_constant;
- } /* implied zero width bitfield */
+ } /* Implied zero width bitfield. */
if (exp->X_op != O_constant)
{
*input_line_pointer = ':';
demand_empty_rest_of_line ();
return;
- } /* too complex */
+ } /* Too complex. */
if ((width = exp->X_add_number) > (BITS_PER_CHAR * nbytes))
{
as_warn (_("field width %lu too big to fit in %d bytes: truncated to %d bits"),
width, nbytes, (BITS_PER_CHAR * nbytes));
width = BITS_PER_CHAR * nbytes;
- } /* too big */
+ } /* Too big. */
if (width > bits_available)
{
input_line_pointer = hold;
exp->X_add_number = value;
break;
- } /* won't fit */
+ } /* Won't fit. */
hold = ++input_line_pointer; /* skip ':' */
*input_line_pointer = cache;
demand_empty_rest_of_line ();
return;
- } /* too complex */
+ } /* Too complex. */
value |= ((~(-1 << width) & exp->X_add_number)
<< ((BITS_PER_CHAR * nbytes) - bits_available));
|| *input_line_pointer != ',')
{
break;
- } /* all the bitfields we're gonna get */
+ } /* All the bitfields we're gonna get. */
hold = ++input_line_pointer;
(void) expression (exp);
- } /* forever loop */
+ }
exp->X_add_number = value;
exp->X_op = O_constant;
exp->X_unsigned = 1;
- } /* if looks like a bitfield */
-} /* parse_bitfield_cons() */
+ }
+}
#endif /* BITFIELD_CONS_EXPRESSIONS */
\f
result = (result << 8) | (*input_line_pointer++);
}
- /* Left justify */
+ /* Left justify. */
while (scan < nbytes)
{
result <<= 8;
scan++;
}
- /* Create correct expression */
+
+ /* Create correct expression. */
exp->X_op = O_constant;
exp->X_add_number = result;
- /* Fake it so that we can read the next char too */
+
+ /* Fake it so that we can read the next char too. */
if (input_line_pointer[0] != '\'' ||
(input_line_pointer[0] == '\'' && input_line_pointer[1] == '\''))
{
int d;
/* The MRI assembler accepts arbitrary underscores strewn about
- through the hex constant, so we ignore them as well. */
+ through the hex constant, so we ignore them as well. */
if (*input_line_pointer == '_')
{
++input_line_pointer;
return length;
}
-/*
- * float_cons()
- *
- * CONStruct some more frag chars of .floats .ffloats etc.
- * Makes 0 or more new frags.
- * If need_pass_2 == 1, no frags are emitted.
- * This understands only floating literals, not expressions. Sorry.
- *
- * A floating constant is defined by atof_generic(), except it is preceded
- * by 0d 0f 0g or 0h. After observing the STRANGE way my BSD AS does its
- * reading, I decided to be incompatible. This always tries to give you
- * rounded bits to the precision of the pseudo-op. Former AS did premature
- * truncatation, restored noisy bits instead of trailing 0s AND gave you
- * a choice of 2 flavours of noise according to which of 2 floating-point
- * scanners you directed AS to use.
- *
- * In: input_line_pointer->whitespace before, or '0' of flonum.
- *
- */
+/* float_cons()
+
+ CONStruct some more frag chars of .floats .ffloats etc.
+ Makes 0 or more new frags.
+ If need_pass_2 == 1, no frags are emitted.
+ This understands only floating literals, not expressions. Sorry.
+
+ A floating constant is defined by atof_generic(), except it is preceded
+ by 0d 0f 0g or 0h. After observing the STRANGE way my BSD AS does its
+ reading, I decided to be incompatible. This always tries to give you
+ rounded bits to the precision of the pseudo-op. Former AS did premature
+ truncatation, restored noisy bits instead of trailing 0s AND gave you
+ a choice of 2 flavours of noise according to which of 2 floating-point
+ scanners you directed AS to use.
+
+ In: input_line_pointer->whitespace before, or '0' of flonum. */
void
float_cons (float_type)
- /* Clobbers input_line-pointer, checks end-of-line. */
- register int float_type; /* 'f':.ffloat ... 'F':.float ... */
+ /* Clobbers input_line-pointer, checks end-of-line. */
+ register int float_type; /* 'f':.ffloat ... 'F':.float ... */
{
register char *p;
- int length; /* Number of chars in an object. */
- register char *err; /* Error from scanning floating literal. */
+ int length; /* Number of chars in an object. */
+ register char *err; /* Error from scanning floating literal. */
char temp[MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT];
if (is_it_end_of_statement ())
do
{
- /* input_line_pointer->1st char of a flonum (we hope!). */
+ /* input_line_pointer->1st char of a flonum (we hope!). */
SKIP_WHITESPACE ();
/* Skip any 0{letter} that may be present. Don't even check if the
- * letter is legal. Someone may invent a "z" format and this routine
- * has no use for such information. Lusers beware: you get
- * diagnostics if your input is ill-conditioned.
- */
+ letter is legal. Someone may invent a "z" format and this routine
+ has no use for such information. Lusers beware: you get
+ diagnostics if your input is ill-conditioned. */
if (input_line_pointer[0] == '0'
&& isalpha ((unsigned char) input_line_pointer[1]))
input_line_pointer += 2;
++input_line_pointer;
expression (&count_exp);
+
if (count_exp.X_op != O_constant
|| count_exp.X_add_number <= 0)
- {
- as_warn (_("unresolvable or nonpositive repeat count; using 1"));
- }
+ as_warn (_("unresolvable or nonpositive repeat count; using 1"));
else
count = count_exp.X_add_number;
}
}
while (*input_line_pointer++ == ',');
- --input_line_pointer; /* Put terminator back into stream. */
+ /* Put terminator back into stream. */
+ --input_line_pointer;
demand_empty_rest_of_line ();
-} /* float_cons() */
+}
\f
-/* Return the size of a LEB128 value */
+/* Return the size of a LEB128 value. */
static inline int
sizeof_sleb128 (value)
unsigned byte;
/* Strip leading sign extensions off the bignum. */
- while (size > 0 && bignum[size-1] == (LITTLENUM_TYPE)-1)
+ while (size > 0 && bignum[size - 1] == (LITTLENUM_TYPE) -1)
size--;
do
if (size == 0)
{
if ((val == 0 && (byte & 0x40) == 0)
- || (~(val | ~(((valueT)1 << loaded) - 1)) == 0
+ || (~(val | ~(((valueT) 1 << loaded) - 1)) == 0
&& (byte & 0x40) != 0))
byte |= 0x80;
}
/* Strip leading zeros off the bignum. */
/* XXX: Is this needed? */
- while (size > 0 && bignum[size-1] == 0)
+ while (size > 0 && bignum[size - 1] == 0)
size--;
do
leb128 value. */
void
-emit_leb128_expr(exp, sign)
+emit_leb128_expr (exp, sign)
expressionS *exp;
int sign;
{
}
else
{
- /* Otherwise, we have to create a variable sized fragment and
+ /* Otherwise, we have to create a variable sized fragment and
resolve things later. */
- frag_var (rs_leb128, sizeof_uleb128 (~(valueT)0), 0, sign,
+ frag_var (rs_leb128, sizeof_uleb128 (~(valueT) 0), 0, sign,
make_expr_symbol (exp), 0, (char *) NULL);
}
}
{
expressionS exp;
- do {
- expression (&exp);
- emit_leb128_expr (&exp, sign);
- } while (*input_line_pointer++ == ',');
+ do
+ {
+ expression (&exp);
+ emit_leb128_expr (&exp, sign);
+ }
+ while (*input_line_pointer++ == ',');
input_line_pointer--;
demand_empty_rest_of_line ();
}
\f
-/*
- * stringer()
- *
- * We read 0 or more ',' separated, double-quoted strings.
- *
- * Caller should have checked need_pass_2 is FALSE because we don't check it.
- */
-
-
-void
-stringer (append_zero) /* Worker to do .ascii etc statements. */
- /* Checks end-of-line. */
- register int append_zero; /* 0: don't append '\0', else 1 */
+/* We read 0 or more ',' separated, double-quoted strings.
+ Caller should have checked need_pass_2 is FALSE because we don't
+ check it. */
+
+void
+stringer (append_zero) /* Worker to do .ascii etc statements. */
+ /* Checks end-of-line. */
+ register int append_zero; /* 0: don't append '\0', else 1. */
{
register unsigned int c;
char *start;
md_flush_pending_output ();
#endif
- /*
- * The following awkward logic is to parse ZERO or more strings,
- * comma separated. Recall a string expression includes spaces
- * before the opening '\"' and spaces after the closing '\"'.
- * We fake a leading ',' if there is (supposed to be)
- * a 1st, expression. We keep demanding expressions for each
- * ','.
- */
+ /* The following awkward logic is to parse ZERO or more strings,
+ comma separated. Recall a string expression includes spaces
+ before the opening '\"' and spaces after the closing '\"'.
+ We fake a leading ',' if there is (supposed to be)
+ a 1st, expression. We keep demanding expressions for each ','. */
if (is_it_end_of_statement ())
{
- c = 0; /* Skip loop. */
- ++input_line_pointer; /* Compensate for end of loop. */
+ c = 0; /* Skip loop. */
+ ++input_line_pointer; /* Compensate for end of loop. */
}
else
{
- c = ','; /* Do loop. */
+ c = ','; /* Do loop. */
}
while (c == ',' || c == '<' || c == '"')
{
switch (*input_line_pointer)
{
case '\"':
- ++input_line_pointer; /*->1st char of string. */
+ ++input_line_pointer; /*->1st char of string. */
start = input_line_pointer;
while (is_a_char (c = next_char_of_string ()))
{
/* FIXME-SOMEDAY: I had trouble here on characters with the
high bits set. We'll probably also have trouble with
multibyte chars, wide chars, etc. Also be careful about
- returning values bigger than 1 byte. xoxorich. */
+ returning values bigger than 1 byte. xoxorich. */
-unsigned int
+unsigned int
next_char_of_string ()
{
register unsigned int c;
case '\\':
case '"':
- break; /* As itself. */
+ break; /* As itself. */
case '0':
case '1':
long number;
int i;
- for (i = 0, number = 0; isdigit (c) && i < 3; c = *input_line_pointer++, i++)
+ for (i = 0, number = 0;
+ isdigit (c) && i < 3;
+ c = *input_line_pointer++, i++)
{
number = number * 8 + c - '0';
}
+
c = number & 0xff;
}
--input_line_pointer;
break;
case '\n':
- /* To be compatible with BSD 4.2 as: give the luser a linefeed!! */
+ /* To be compatible with BSD 4.2 as: give the luser a linefeed!! */
as_warn (_("Unterminated string: Newline inserted."));
c = '\n';
bump_line_counters ();
#endif /* ONLY_STANDARD_ESCAPES */
break;
- } /* switch on escaped char */
+ }
break;
#endif /* ! defined (NO_STRING_ESCAPES) */
default:
break;
- } /* switch on char */
+ }
return (c);
-} /* next_char_of_string() */
+}
\f
static segT
get_segmented_expression (expP)
return retval;
}
-static segT
+static segT
get_known_segmented_expression (expP)
register expressionS *expP;
{
}
know (retval == absolute_section || SEG_NORMAL (retval));
return (retval);
-} /* get_known_segmented_expression() */
+}
offsetT
get_absolute_expression ()
return exp.X_add_number;
}
-char /* return terminator */
+char /* Return terminator. */
get_absolute_expression_and_terminator (val_pointer)
- long *val_pointer; /* return value of expression */
+ long *val_pointer; /* Return value of expression. */
{
/* FIXME: val_pointer should probably be offsetT *. */
*val_pointer = (long) get_absolute_expression ();
return (*input_line_pointer++);
}
\f
-/*
- * demand_copy_C_string()
- *
- * Like demand_copy_string, but return NULL if the string contains any '\0's.
- * Give a warning if that happens.
- */
+/* Like demand_copy_string, but return NULL if the string contains any '\0's.
+ Give a warning if that happens. */
+
char *
demand_copy_C_string (len_pointer)
int *len_pointer;
}
}
}
+
return s;
}
\f
-/*
- * demand_copy_string()
- *
- * Demand string, but return a safe (=private) copy of the string.
- * Return NULL if we can't read a string here.
- */
+/* Demand string, but return a safe (=private) copy of the string.
+ Return NULL if we can't read a string here. */
+
char *
demand_copy_string (lenP)
int *lenP;
SKIP_WHITESPACE ();
if (*input_line_pointer == '\"')
{
- input_line_pointer++; /* Skip opening quote. */
+ input_line_pointer++; /* Skip opening quote. */
while (is_a_char (c = next_char_of_string ()))
{
len++;
}
/* JF this next line is so demand_copy_C_string will return a
- null terminated string. */
+ null terminated string. */
obstack_1grow (¬es, '\0');
retval = obstack_finish (¬es);
}
}
*lenP = len;
return (retval);
-} /* demand_copy_string() */
+}
\f
-/*
- * is_it_end_of_statement()
- *
- * In: Input_line_pointer->next character.
- *
- * Do: Skip input_line_pointer over all whitespace.
- *
- * Out: 1 if input_line_pointer->end-of-line.
-*/
-int
+/* In: Input_line_pointer->next character.
+
+ Do: Skip input_line_pointer over all whitespace.
+
+ Out: 1 if input_line_pointer->end-of-line. */
+
+int
is_it_end_of_statement ()
{
SKIP_WHITESPACE ();
return (is_end_of_line[(unsigned char) *input_line_pointer]);
-} /* is_it_end_of_statement() */
+}
-void
+void
equals (sym_name, reassign)
char *sym_name;
int reassign;
{
- register symbolS *symbolP; /* symbol we are working with */
+ register symbolS *symbolP; /* Symbol we are working with. */
char *stop = NULL;
char stopc;
if (sym_name[0] == '.' && sym_name[1] == '\0')
{
- /* Turn '. = mumble' into a .org mumble */
+ /* Turn '. = mumble' into a .org mumble. */
register segT segment;
expressionS exp;
{
symbolP = symbol_find_or_make (sym_name);
/* Permit register names to be redefined. */
- if (! reassign
+ if (!reassign
&& S_IS_DEFINED (symbolP)
&& S_GET_SEGMENT (symbolP) != reg_section)
as_bad (_("symbol `%s' already defined"), S_GET_NAME (symbolP));
}
if (flag_mri)
- {
- ignore_rest_of_line (); /* check garbage after the expression */
- mri_comment_end (stop, stopc);
- }
-} /* equals() */
+ {
+ /* Check garbage after the expression. */
+ ignore_rest_of_line ();
+ mri_comment_end (stop, stopc);
+ }
+}
-/* .include -- include a file at this point. */
+/* .include -- include a file at this point. */
-/* ARGSUSED */
-void
+void
s_include (arg)
int arg ATTRIBUTE_UNUSED;
{
FILE *try;
char *path;
- if (! flag_m68k_mri)
+ if (!flag_m68k_mri)
{
filename = demand_copy_string (&i);
if (filename == NULL)
{
SKIP_WHITESPACE ();
i = 0;
- while (! is_end_of_line[(unsigned char) *input_line_pointer]
+ while (!is_end_of_line[(unsigned char) *input_line_pointer]
&& *input_line_pointer != ' '
&& *input_line_pointer != '\t')
{
++input_line_pointer;
++i;
}
+
obstack_1grow (¬es, '\0');
filename = obstack_finish (¬es);
- while (! is_end_of_line[(unsigned char) *input_line_pointer])
+ while (!is_end_of_line[(unsigned char) *input_line_pointer])
++input_line_pointer;
}
+
demand_empty_rest_of_line ();
path = xmalloc ((unsigned long) i + include_dir_maxlen + 5 /* slop */ );
+
for (i = 0; i < include_dir_count; i++)
{
strcpy (path, include_dirs[i]);
goto gotit;
}
}
+
free (path);
path = filename;
gotit:
- /* malloc Storage leak when file is found on path. FIXME-SOMEDAY. */
+ /* malloc Storage leak when file is found on path. FIXME-SOMEDAY. */
register_dependency (path);
input_scrub_insert_file (path);
-} /* s_include() */
+}
-void
+void
add_include_dir (path)
char *path;
{
if (include_dir_count == 0)
{
include_dirs = (char **) xmalloc (2 * sizeof (*include_dirs));
- include_dirs[0] = "."; /* Current dir */
+ include_dirs[0] = "."; /* Current dir. */
include_dir_count = 2;
}
else
{
include_dir_count++;
- include_dirs = (char **) realloc (include_dirs,
- include_dir_count * sizeof (*include_dirs));
+ include_dirs =
+ (char **) realloc (include_dirs,
+ include_dir_count * sizeof (*include_dirs));
}
- include_dirs[include_dir_count - 1] = path; /* New one */
+ include_dirs[include_dir_count - 1] = path; /* New one. */
i = strlen (path);
if (i > include_dir_maxlen)
include_dir_maxlen = i;
-} /* add_include_dir() */
+}
\f
/* Output debugging information to denote the source file. */
generate_lineno_debug ()
{
#ifdef ECOFF_DEBUGGING
- /* ECOFF assemblers automatically generate debugging information.
+ /* ECOFF assemblers automatically generate debugging information.
FIXME: This should probably be handled elsewhere. */
if (debug_type == DEBUG_UNSPECIFIED)
{
if (ECOFF_DEBUGGING && ecoff_no_current_file ())
- debug_type = DEBUG_ECOFF;
+ debug_type = DEBUG_ECOFF;
else
debug_type = DEBUG_NONE;
}
}
else /* ! end_p */
{
- char *name,*label;
- char delim1,delim2;
+ char *name, *label;
+ char delim1, delim2;
if (current_name != NULL)
{
demand_empty_rest_of_line ();
}
\f
-void
+void
s_ignore (arg)
int arg ATTRIBUTE_UNUSED;
{
++input_line_pointer;
}
-
void
read_print_statistics (file)
FILE *file;
hash_print_statistics (file, "pseudo-op table", po_hash);
}
-/* Inserts the given line into the input stream.
-
+/* Inserts the given line into the input stream.
+
This call avoids macro/conditionals nesting checking, since the contents of
the line are assumed to replace the contents of a line already scanned.
void
input_scrub_insert_line (line)
- const char *line;
+ const char *line;
{
sb newline;
sb_new (&newline);
}
/* Insert a file into the input stream; the path must resolve to an actual
- file; no include path searching or dependency registering is performed. */
+ file; no include path searching or dependency registering is performed. */
void
input_scrub_insert_file (path)
- char *path;
+ char *path;
{
input_scrub_include_file (path, input_line_pointer);
buffer_limit = input_scrub_next_buffer (&input_line_pointer);
}
-
-/* end of read.c */
projects / deliverable / binutils-gdb.git / commitdiff
