/* read.c - read a source file -
- Copyright (C) 1986, 87, 90, 91, 92, 93, 94, 95, 96, 97, 1998
- Free Software Foundation, Inc.
+ Copyright 1986, 1987, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
+ 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
You should have received a copy of the GNU General Public License
along with GAS; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+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"
#define TC_START_LABEL(x,y) (x==':')
#endif
-/* The NOP_OPCODE is for the alignment fill value.
- * fill it a nop instruction so that the disassembler does not choke
- * on it
- */
-#ifndef NOP_OPCODE
-#define NOP_OPCODE 0x00
+/* 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)
#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_QM 0
#endif
+#ifndef LEX_HASH
+/* The IA-64 assembler uses # as a suffix designating a symbol. We include
+ it in the symbol and strip it out in tc_canonicalize_symbol_name. */
+#define LEX_HASH 0
+#endif
+
#ifndef LEX_DOLLAR
/* The a29k assembler does not permits labels to start with $. */
#define LEX_DOLLAR 3
#define LEX_TILDE 0
#endif
-/* used by is_... macros. our ctype[] */
-char lex_type[256] =
-{
+/* 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 */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* PQRSTUVWXYZ[\]^_ */
- 0, 0, 0, 0, LEX_DOLLAR, LEX_PCT, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, /* _!"#$%&'()*+,-./ */
+ 0, 0, 0, LEX_HASH, LEX_DOLLAR, LEX_PCT, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, /* _!"#$%&'()*+,-./ */
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, LEX_QM, /* 0123456789:;<=>? */
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{|}~. */
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 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,
+ 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.
- */
-#define Z_ (0)
-char is_end_of_line[256] =
-{
+/* In: a character.
+ Out: 1 if this character ends a line. */
+char is_end_of_line[256] = {
#ifdef CR_EOL
- 99, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, 99, Z_, Z_, 99, Z_, Z_, /* @abcdefghijklmno */
+ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, /* @abcdefghijklmno */
#else
- 99, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, 99, Z_, Z_, Z_, Z_, Z_, /* @abcdefghijklmno */
+ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, /* @abcdefghijklmno */
#endif
- Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, /* */
-#ifdef TC_HPPA
- Z_,99, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, /* _!"#$%&'()*+,-./ */
- Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, /* 0123456789:;<=>? */
-#else
- Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, /* */
- Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, 99, Z_, Z_, Z_, Z_, /* 0123456789:;<=>? */
-#endif
- Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, /* */
- Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, /* */
- Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, /* */
- Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, /* */
- Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, /* */
- Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, /* */
- Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, /* */
- Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, /* */
- Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, Z_, /* */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* _!"#$%&'()*+,-./ */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0123456789:;<=>? */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* */
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 /* */
};
-#undef Z_
-/* Functions private to this file. */
+#ifdef IGNORE_OPCODE_CASE
+char original_case_string[128];
+#endif
+
+/* 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;
#endif
static void cons_worker PARAMS ((int, int));
-static int scrub_from_string PARAMS ((char **));
+static int scrub_from_string PARAMS ((char *, int));
static void do_align PARAMS ((int, char *, int, int));
static void s_align PARAMS ((int, int));
+static void s_lcomm_internal PARAMS ((int, int));
static int hex_float PARAMS ((int, char *));
+static inline int sizeof_sleb128 PARAMS ((offsetT));
+static inline int sizeof_uleb128 PARAMS ((valueT));
+static inline int output_sleb128 PARAMS ((char *, offsetT));
+static inline int output_uleb128 PARAMS ((char *, valueT));
+static inline int output_big_sleb128 PARAMS ((char *, LITTLENUM_TYPE *, int));
+static inline int output_big_uleb128 PARAMS ((char *, LITTLENUM_TYPE *, int));
+static int output_big_leb128 PARAMS ((char *, LITTLENUM_TYPE *, int, int));
static void do_org PARAMS ((segT, expressionS *, int));
char *demand_copy_string PARAMS ((int *lenP));
static segT get_segmented_expression PARAMS ((expressionS *expP));
static segT get_known_segmented_expression PARAMS ((expressionS * expP));
static void pobegin PARAMS ((void));
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;
-static const pseudo_typeS potable[] =
-{
+static const pseudo_typeS potable[] = {
{"abort", s_abort, 0},
{"align", s_align_ptwo, 0},
{"ascii", stringer, 0},
{"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},
{"end", s_end, 0},
{"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},
{"fill", s_fill, 0},
{"float", float_cons, 'f'},
{"format", s_ignore, 0},
+ {"func", s_func, 0},
{"global", s_globl, 0},
{"globl", s_globl, 0},
{"hword", cons, 2},
{"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} /* 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. */
static char *scrub_string_end;
static int
-scrub_from_string (from)
- char **from;
+scrub_from_string (buf, buflen)
+ char *buf;
+ int buflen;
{
- int size;
-
- *from = scrub_string;
- size = scrub_string_end - scrub_string;
- scrub_string = scrub_string_end;
- return size;
+ int copy;
+
+ copy = scrub_string_end - scrub_string;
+ if (copy > buflen)
+ copy = buflen;
+ memcpy (buf, scrub_string, copy);
+ scrub_string += copy;
+ 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;
+#ifdef WARN_COMMENTS
+ found_comment = 0;
+#endif
+
buffer = input_scrub_new_file (name);
listing_file (name);
listing_newline (NULL);
register_dependency (name);
+ /* Generate debugging information before we've read anything in to denote
+ this file as the "main" source file and not a subordinate one
+ (e.g. N_SO vs N_SOL in stabs). */
+ 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 ();
line_label = NULL;
- if (flag_m68k_mri
-#ifdef LABELS_WITHOUT_COLONS
- || 1
-#endif
- )
+ if (LABELS_WITHOUT_COLONS || flag_m68k_mri)
{
/* Text at the start of a line must be a label, we
run down and stick a colon in. */
/* 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,
+ input_line_pointer)
+#endif
+ )
line_label = colon (line_start);
else
line_label = symbol_create (line_start,
}
}
- /*
- * 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 it for safe keeping. Also give an indication of
how much macro nesting is involved at this point. */
- len = s - (input_line_pointer-1);
+ len = s - (input_line_pointer - 1);
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
#ifdef IGNORE_OPCODE_CASE
{
char *s2 = s;
+
+ strncpy (original_case_string, s2, sizeof (original_case_string));
+ original_case_string[sizeof (original_case_string) - 1] = 0;
+
while (*s2)
{
if (isupper ((unsigned char) *s2))
}
}
#endif
-
- if (flag_m68k_mri
-#ifdef NO_PSEUDO_DOT
- || 1
-#endif
- )
+ if (NO_PSEUDO_DOT || flag_m68k_mri)
{
/* The MRI assembler and the m88k use pseudo-ops
without a period. */
}
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)
{
- line_label->sy_frag = frag_now;
+ symbol_set_frag (line_label, frag_now);
S_SET_VALUE (line_label, frag_now_fix ());
}
}
- /* 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. */
else
{
int inquote = 0;
+#ifdef QUOTES_IN_INSN
+ 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;
+ else if (*input_line_pointer == '\\')
+ inescape = 1;
+#endif
input_line_pointer++;
}
c = *input_line_pointer;
*input_line_pointer = '\0';
- if (debug_type == DEBUG_STABS)
- stabs_generate_asm_lineno ();
-
-#ifdef OBJ_GENERATE_ASM_LINENO
-#ifdef ECOFF_DEBUGGING
- /* ECOFF assemblers automatically generate
- debugging information. FIXME: This should
- probably be handled elsewhere. */
- if (debug_type == DEBUG_NONE)
- {
- if (ecoff_no_current_file ())
- debug_type = DEBUG_ECOFF;
- }
-
- if (debug_type == DEBUG_ECOFF)
- {
- unsigned int lineno;
- char *s;
-
- as_where (&s, &lineno);
- OBJ_GENERATE_ASM_LINENO (s, lineno);
- }
-#endif
-#endif
+ generate_lineno_debug ();
if (macro_defined)
{
sb out;
const char *err;
+ macro_entry *macro;
- if (check_macro (s, &out, '\0', &err))
+ if (check_macro (s, &out, '\0', &err, ¯o))
{
if (err != NULL)
- as_bad (err);
+ as_bad ("%s", err);
*input_line_pointer++ = c;
input_scrub_include_sb (&out,
- input_line_pointer);
+ input_line_pointer, 1);
sb_kill (&out);
buffer_limit =
input_scrub_next_buffer (&input_line_pointer);
+#ifdef md_macro_info
+ md_macro_info (macro);
+#endif
continue;
}
}
mri_pending_align = 0;
if (line_label != NULL)
{
- line_label->sy_frag = frag_now;
+ symbol_set_frag (line_label, frag_now);
S_SET_VALUE (line_label, frag_now_fix ());
}
}
- 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
+ /* Close the input file. */
+ input_scrub_close ();
+#ifdef WARN_COMMENTS
+ {
+ if (warn_comment && found_comment)
+ as_warn_where (found_comment_file, found_comment,
+ "first comment found here");
+ }
#endif
- input_scrub_close (); /* Close the input file */
}
/* 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
+ return s;
}
/* 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;
+ int ignore ATTRIBUTE_UNUSED;
{
as_fatal (_(".abort detected. Abandoning ship."));
}
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;
int len;
int max;
{
- char default_fill;
-
#ifdef md_do_align
md_do_align (n, fill, len, max, just_record_alignment);
#endif
- if (fill == NULL)
- {
- int maybe_text;
-
-#ifdef BFD_ASSEMBLER
- if ((bfd_get_section_flags (stdoutput, now_seg) & SEC_CODE) != 0)
- maybe_text = 1;
- else
- maybe_text = 0;
-#else
- if (now_seg != data_section && now_seg != bss_section)
- maybe_text = 1;
- else
- maybe_text = 0;
-#endif
-
- if (maybe_text)
- default_fill = NOP_OPCODE;
- else
- default_fill = 0;
- fill = &default_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 (fill == NULL)
+ {
+ if (subseg_text_p (now_seg))
+ frag_align_code (n, max);
+ else
+ frag_align (n, 0, max);
+ }
+ else if (len <= 1)
frag_align (n, *fill, max);
else
frag_align_pattern (n, fill, len, max);
just_record_alignment:
#endif
- record_alignment (now_seg, n);
+ record_alignment (now_seg, n - OCTETS_PER_BYTE_POWER);
}
/* Handle the .align pseudo-op. A positive ARG is a default alignment
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;
}
}
+ demand_empty_rest_of_line ();
+
if (flag_mri)
mri_comment_end (stop, stopc);
-
- demand_empty_rest_of_line ();
}
/* 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;
+ int ignore ATTRIBUTE_UNUSED;
{
register char *name;
register char c;
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."));
+ ignore_rest_of_line ();
if (flag_mri)
mri_comment_end (stop, stopc);
- ignore_rest_of_line ();
return;
}
+
input_line_pointer++; /* skip ',' */
+
if ((temp = get_absolute_expression ()) < 0)
{
as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) temp);
+ ignore_rest_of_line ();
if (flag_mri)
mri_comment_end (stop, stopc);
- ignore_rest_of_line ();
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));
+ ignore_rest_of_line ();
if (flag_mri)
mri_comment_end (stop, stopc);
- ignore_rest_of_line ();
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 */
know (symbolP->sy_frag == &zero_address_frag);
+ demand_empty_rest_of_line ();
+
if (flag_mri)
mri_comment_end (stop, stopc);
-
- demand_empty_rest_of_line ();
} /* s_comm() */
/* The MRI COMMON pseudo-op. We handle this by creating a common
void
s_mri_common (small)
- int small;
+ int small ATTRIBUTE_UNUSED;
{
char *name;
char c;
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));
- mri_comment_end (stop, stopc);
ignore_rest_of_line ();
+ mri_comment_end (stop, stopc);
return;
}
if (line_label != NULL)
{
- line_label->sy_value.X_op = O_symbol;
- line_label->sy_value.X_add_symbol = sym;
- line_label->sy_value.X_add_number = S_GET_VALUE (sym);
- line_label->sy_frag = &zero_address_frag;
+ expressionS exp;
+ exp.X_op = O_symbol;
+ exp.X_add_symbol = sym;
+ exp.X_add_number = 0;
+ symbol_set_value_expression (line_label, &exp);
+ symbol_set_frag (line_label, &zero_address_frag);
S_SET_SEGMENT (line_label, expr_section);
}
if (*input_line_pointer == ',')
input_line_pointer += 2;
- mri_comment_end (stop, stopc);
-
demand_empty_rest_of_line ();
+
+ mri_comment_end (stop, stopc);
}
void
s_data (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
segT section;
register int temp;
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)
void
s_app_line (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
int l;
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);
void
s_end (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
if (flag_mri)
{
/* 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"));
void
s_err (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
as_bad (_(".err encountered"));
demand_empty_rest_of_line ();
void
s_fail (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
offsetT temp;
char *stop = NULL;
else
as_bad (_(".fail %ld encountered"), (long) temp);
+ demand_empty_rest_of_line ();
+
if (flag_mri)
mri_comment_end (stop, stopc);
-
- demand_empty_rest_of_line ();
}
-void
+void
s_fill (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
expressionS rep_exp;
long size = 1;
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;
+ int ignore ATTRIBUTE_UNUSED;
{
char *name;
int c;
name = input_line_pointer;
c = get_symbol_end ();
symbolP = symbol_find_or_make (name);
+ S_SET_EXTERNAL (symbolP);
+
*input_line_pointer = c;
SKIP_WHITESPACE ();
- S_SET_EXTERNAL (symbolP);
+ c = *input_line_pointer;
if (c == ',')
{
input_line_pointer++;
}
while (c == ',');
+ demand_empty_rest_of_line ();
+
if (flag_mri)
mri_comment_end (stop, stopc);
-
- demand_empty_rest_of_line ();
}
/* Handle the MRI IRP and IRPC pseudo-ops. */
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);
sb_kill (&s);
- input_scrub_include_sb (&out, input_line_pointer);
+ input_scrub_include_sb (&out, input_line_pointer, 1);
sb_kill (&out);
buffer_limit = input_scrub_next_buffer (&input_line_pointer);
}
void
s_linkonce (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
enum linkonce_type type;
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)
- {
- /* FIXME. This needs to be machine independent. */
- if (temp >= 8)
- align = 3;
- else if (temp >= 4)
- align = 2;
- else if (temp >= 2)
- align = 1;
- else
- align = 0;
-
-#ifdef OBJ_EVAX
- /* FIXME: This needs to be done in a more general fashion. */
- align = 3;
-#endif
- record_alignment(bss_seg, 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);
+ }
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. */
*p = c;
if (
-#if defined(OBJ_AOUT) | defined(OBJ_BOUT)
- S_GET_OTHER (symbolP) == 0 &&
- S_GET_DESC (symbolP) == 0 &&
-#endif /* OBJ_AOUT or OBJ_BOUT */
- (S_GET_SEGMENT (symbolP) == bss_seg
- || (!S_IS_DEFINED (symbolP) && S_GET_VALUE (symbolP) == 0)))
+#if (defined (OBJ_AOUT) || defined (OBJ_MAYBE_AOUT) \
+ || defined (OBJ_BOUT) || defined (OBJ_MAYBE_BOUT))
+#ifdef BFD_ASSEMBLER
+ (OUTPUT_FLAVOR != bfd_target_aout_flavour
+ || (S_GET_OTHER (symbolP) == 0 && S_GET_DESC (symbolP) == 0)) &&
+#else
+ (S_GET_OTHER (symbolP) == 0 && S_GET_DESC (symbolP) == 0) &&
+#endif
+#endif
+ (S_GET_SEGMENT (symbolP) == bss_seg
+ || (!S_IS_DEFINED (symbolP) && S_GET_VALUE (symbolP) == 0)))
{
char *pfrag;
if (align)
frag_align (align, 0, 0);
- /* detach from old frag */
+
+ /* Detach from old frag. */
if (S_GET_SEGMENT (symbolP) == bss_seg)
- symbolP->sy_frag->fr_symbol = NULL;
+ symbol_get_frag (symbolP)->fr_symbol = NULL;
- symbolP->sy_frag = frag_now;
- pfrag = frag_var (rs_org, 1, 1, (relax_substateT)0, symbolP,
+ symbol_set_frag (symbolP, frag_now);
+ 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;
+ int ignore ATTRIBUTE_UNUSED;
{
register char *name;
register char c;
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;
}
void
s_macro (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
char *file;
unsigned int line;
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);
{
S_SET_SEGMENT (line_label, undefined_section);
S_SET_VALUE (line_label, 0);
- line_label->sy_frag = &zero_address_frag;
+ symbol_set_frag (line_label, &zero_address_frag);
}
- if (((flag_m68k_mri
-#ifdef NO_PSEUDO_DOT
- || 1
-#endif
- )
+ 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
s_mexit (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
cond_exit_macro (macro_nest);
buffer_limit = input_scrub_next_buffer (&input_line_pointer);
void
s_mri (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
int on, old_flag;
#ifdef TC_M68K
flag_m68k_mri = 1;
#endif
+ macro_mri_mode (1);
}
else
{
flag_mri = 0;
+#ifdef TC_M68K
flag_m68k_mri = 0;
+#endif
+ macro_mri_mode (0);
}
+ /* Operator precedence changes in m68k MRI mode, so we need to
+ update the operator rankings. */
+ expr_set_precedence ();
+
#ifdef MRI_MODE_CHANGE
if (on != old_flag)
MRI_MODE_CHANGE (on);
else
{
char *p;
+ symbolS *sym = exp->X_add_symbol;
+ offsetT off = exp->X_add_number * OCTETS_PER_BYTE;
+
+ if (exp->X_op != O_constant && exp->X_op != O_symbol)
+ {
+ /* Handle complex expressions. */
+ sym = make_expr_symbol (exp);
+ off = 0;
+ }
- p = frag_var (rs_org, 1, 1, (relax_substateT) 0, exp->X_add_symbol,
- exp->X_add_number, (char *) NULL);
+ p = frag_var (rs_org, 1, 1, (relax_substateT) 0, sym, off, (char *) 0);
*p = fill;
}
}
-void
+void
s_org (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
register segT segment;
expressionS exp;
register long temp_fill;
+#ifdef md_flush_pending_output
+ md_flush_pending_output ();
+#endif
+
/* The m68k MRI assembler has a different meaning for .org. It
means to create an absolute section at a given address. We can't
support that--use a linker script instead. */
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
void
s_mri_sect (type)
- char *type;
+ char *type ATTRIBUTE_UNUSED;
{
#ifdef TC_M68K
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
void
s_print (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
char *s;
int len;
void
s_purgem (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
if (is_it_end_of_statement ())
{
void
s_rept (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
int count;
- sb one;
- sb many;
count = get_absolute_expression ();
+ 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. */
+
+void
+do_repeat (count, start, end)
+ int count;
+ const char *start;
+ const char *end;
+{
+ sb one;
+ sb many;
+
sb_new (&one);
- if (! buffer_and_nest ("REPT", "ENDR", &one, get_line_sb))
+ if (!buffer_and_nest (start, end, &one, get_line_sb))
{
- as_bad (_("rept without endr"));
+ as_bad (_("%s without %s"), start, end);
return;
}
sb_kill (&one);
- input_scrub_include_sb (&many, input_line_pointer);
+ input_scrub_include_sb (&many, input_line_pointer, 1);
sb_kill (&many);
buffer_limit = input_scrub_next_buffer (&input_line_pointer);
}
+/* 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.
+
+ 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. */
+
+void
+end_repeat (extra)
+ int extra;
+{
+ cond_exit_macro (macro_nest);
+ while (extra-- >= 0)
+ buffer_limit = input_scrub_next_buffer (&input_line_pointer);
+}
+
/* Handle the .equ, .equiv and .set directives. If EQUIV is 1, then
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 = 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;
{
S_SET_VALUE (mri_common_symbol, val + 1);
if (line_label != NULL)
{
- know (line_label->sy_value.X_op == O_symbol);
- know (line_label->sy_value.X_add_symbol == mri_common_symbol);
- line_label->sy_value.X_add_number += 1;
+ expressionS *symexp;
+
+ symexp = symbol_get_value_expression (line_label);
+ know (symexp->X_op == O_symbol);
+ know (symexp->X_add_symbol == mri_common_symbol);
+ symexp->X_add_number += 1;
}
}
}
do_align (1, (char *) NULL, 0, 0);
if (line_label != NULL)
{
- line_label->sy_frag = frag_now;
+ symbol_set_frag (line_label, frag_now);
S_SET_VALUE (line_label, frag_now_fix ());
}
}
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);
if (flag_mri && (bytes & 1) != 0)
mri_pending_align = 1;
+ demand_empty_rest_of_line ();
+
if (flag_mri)
mri_comment_end (stop, stopc);
-
- demand_empty_rest_of_line ();
}
/* This is like s_space, but the value is a floating point number with
if (*input_line_pointer != ',')
{
as_bad (_("missing value"));
+ ignore_rest_of_line ();
if (flag_mri)
mri_comment_end (stop, stopc);
- ignore_rest_of_line ();
return;
}
flen = hex_float (float_type, temp);
if (flen < 0)
{
+ ignore_rest_of_line ();
if (flag_mri)
mri_comment_end (stop, stopc);
- ignore_rest_of_line ();
return;
}
}
if (err)
{
as_bad (_("Bad floating literal: %s"), err);
+ ignore_rest_of_line ();
if (flag_mri)
mri_comment_end (stop, stopc);
- ignore_rest_of_line ();
return;
}
}
memcpy (p, temp, (unsigned int) flen);
}
+ demand_empty_rest_of_line ();
+
if (flag_mri)
mri_comment_end (stop, stopc);
-
- demand_empty_rest_of_line ();
}
/* Handle the .struct pseudo-op, as found in MIPS assemblers. */
void
s_struct (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
char *stop = NULL;
char stopc;
stop = mri_comment_field (&stopc);
abs_section_offset = get_absolute_expression ();
subseg_set (absolute_section, 0);
+ demand_empty_rest_of_line ();
if (flag_mri)
mri_comment_end (stop, stopc);
- demand_empty_rest_of_line ();
}
void
s_text (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
register int temp;
#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]]);
+}
+
+void
+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. */
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 */
&& (S_GET_SEGMENT (exp.X_add_symbol)
== S_GET_SEGMENT (exp.X_op_symbol))
&& SEG_NORMAL (S_GET_SEGMENT (exp.X_add_symbol))
- && exp.X_add_symbol->sy_frag == exp.X_op_symbol->sy_frag)
+ && (symbol_get_frag (exp.X_add_symbol)
+ == symbol_get_frag (exp.X_op_symbol)))
{
exp.X_op = O_constant;
exp.X_add_number = (S_GET_VALUE (exp.X_add_symbol)
#endif /* OBJ_AOUT or OBJ_BOUT */
S_SET_VALUE (symbolP, (valueT) exp.X_add_number);
if (exp.X_op != O_constant)
- symbolP->sy_frag = &zero_address_frag;
+ symbol_set_frag (symbolP, &zero_address_frag);
break;
case O_register:
S_SET_SEGMENT (symbolP, reg_section);
S_SET_VALUE (symbolP, (valueT) exp.X_add_number);
- symbolP->sy_frag = &zero_address_frag;
+ symbol_set_frag (symbolP, &zero_address_frag);
break;
case O_symbol:
if (S_GET_SEGMENT (exp.X_add_symbol) == undefined_section
|| exp.X_add_number != 0)
- symbolP->sy_value = exp;
+ symbol_set_value_expression (symbolP, &exp);
+ else if (symbol_section_p (symbolP))
+ as_bad ("invalid attempt to set value of section symbol");
else
{
symbolS *s = exp.X_add_symbol;
#endif /* OBJ_AOUT or OBJ_BOUT */
S_SET_VALUE (symbolP,
exp.X_add_number + S_GET_VALUE (s));
- symbolP->sy_frag = s->sy_frag;
+ symbol_set_frag (symbolP, symbol_get_frag (s));
copy_symbol_attributes (symbolP, s);
}
break;
default:
/* The value is some complex expression.
FIXME: Should we set the segment to anything? */
- symbolP->sy_value = exp;
+ symbol_set_value_expression (symbolP, &exp);
break;
}
}
\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. */
are defined, which is the normal case, then only simple expressions
are permitted. */
+#ifdef TC_M68K
static void
parse_mri_cons PARAMS ((expressionS *exp, unsigned int nbytes));
+#endif
#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 (is_it_end_of_statement ())
{
+ demand_empty_rest_of_line ();
if (flag_mri)
mri_comment_end (stop, stopc);
- demand_empty_rest_of_line ();
return;
}
c = 0;
do
{
+#ifdef TC_M68K
if (flag_m68k_mri)
parse_mri_cons (&exp, (unsigned int) nbytes);
else
+#endif
TC_PARSE_CONS_EXPRESSION (&exp, (unsigned int) nbytes);
if (rva)
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 ();
if (flag_mri)
mri_comment_end (stop, stopc);
-
- demand_empty_rest_of_line ();
}
-
void
cons (size)
int size;
cons_worker (size, 0);
}
-void
+void
s_rva (size)
int size;
{
/* Handle a negative bignum. */
if (op == O_uminus
&& exp->X_add_number == 0
- && exp->X_add_symbol->sy_value.X_op == O_big
- && exp->X_add_symbol->sy_value.X_add_number > 0)
+ && symbol_get_value_expression (exp->X_add_symbol)->X_op == O_big
+ && symbol_get_value_expression (exp->X_add_symbol)->X_add_number > 0)
{
int i;
unsigned long carry;
- exp = &exp->X_add_symbol->sy_value;
+ exp = symbol_get_value_expression (exp->X_add_symbol);
/* Negate the bignum: one's complement each digit and add 1. */
carry = 1;
{
unsigned long next;
- next = (((~ (generic_bignum[i] & LITTLENUM_MASK))
+ next = (((~(generic_bignum[i] & LITTLENUM_MASK))
& LITTLENUM_MASK)
+ carry);
generic_bignum[i] = next & LITTLENUM_MASK;
x = (struct broken_word *) xmalloc (sizeof (struct broken_word));
x->next_broken_word = broken_words;
broken_words = x;
+ x->seg = now_seg;
+ x->subseg = now_subseg;
x->frag = frag_now;
x->word_goes_here = p;
x->dispfrag = 0;
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 ':' */
+ /* Skip ':'. */
+ hold = ++input_line_pointer;
(void) expression (exp);
if (exp->X_op != O_constant)
*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
/* Handle an MRI style string expression. */
+#ifdef TC_M68K
static void
parse_mri_cons (exp, nbytes)
expressionS *exp;
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] == '\''))
{
input_line_pointer++;
}
}
+#endif /* TC_M68K */
\f
#ifdef REPEAT_CONS_EXPRESSIONS
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)
return size;
}
-inline int
+int
sizeof_leb128 (value, sign)
valueT value;
int sign;
return p - orig;
}
-inline int
+int
output_leb128 (p, value, sign)
char *p;
valueT value;
we don't output for NULL values of P. It isn't really as critical as
for "normal" values that this be streamlined. */
-static int
+static inline int
output_big_sleb128 (p, bignum, size)
char *p;
LITTLENUM_TYPE *bignum;
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;
}
return p - orig;
}
-static int
+static inline int
output_big_uleb128 (p, bignum, size)
char *p;
LITTLENUM_TYPE *bignum;
/* 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
return p - orig;
}
-static inline int
+static int
output_big_leb128 (p, bignum, size, sign)
char *p;
LITTLENUM_TYPE *bignum;
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 ',' seperated, 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 seperated. 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;
}
else
{
+#ifdef OBJ_COFF
+ int local;
+
+ symbolP = symbol_find (sym_name);
+ local = symbolP == NULL;
+ if (local)
+#endif /* OBJ_COFF */
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));
+
+#ifdef OBJ_COFF
+ /* "set" symbols are local unless otherwise specified. */
+ if (local)
+ SF_SET_LOCAL (symbolP);
+#endif /* OBJ_COFF */
+
pseudo_set (symbolP);
}
if (flag_mri)
- 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;
+ int arg ATTRIBUTE_UNUSED;
{
- char *newbuf;
char *filename;
int i;
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);
- newbuf = input_scrub_include_file (path, input_line_pointer);
- buffer_limit = input_scrub_next_buffer (&input_line_pointer);
-} /* s_include() */
+ input_scrub_insert_file (path);
+}
-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. */
+
+static void
+generate_file_debug ()
+{
+ if (debug_type == DEBUG_STABS)
+ stabs_generate_asm_file ();
+}
+
+/* Output line number debugging information for the current source line. */
+
+void
+generate_lineno_debug ()
+{
+ switch (debug_type)
+ {
+ case DEBUG_UNSPECIFIED:
+ case DEBUG_NONE:
+ case DEBUG_DWARF:
+ break;
+ case DEBUG_STABS:
+ stabs_generate_asm_lineno ();
+ break;
+ case DEBUG_ECOFF:
+ ecoff_generate_asm_lineno ();
+ break;
+ case DEBUG_DWARF2:
+ /* ??? We could here indicate to dwarf2dbg.c that something
+ has changed. However, since there is additional backend
+ support that is required (calling dwarf2_emit_insn), we
+ let dwarf2dbg.c call as_where on its own. */
+ break;
+ }
+}
+
+/* Output debugging information to mark a function entry point or end point.
+ END_P is zero for .func, and non-zero for .endfunc. */
+
+void
+s_func (end_p)
+ int end_p;
+{
+ do_s_func (end_p, NULL);
+}
+
+/* Subroutine of s_func so targets can choose a different default prefix.
+ If DEFAULT_PREFIX is NULL, use the target's "leading char". */
+
+void
+do_s_func (end_p, default_prefix)
+ int end_p;
+ const char *default_prefix;
+{
+ /* Record the current function so that we can issue an error message for
+ misplaced .func,.endfunc, and also so that .endfunc needs no
+ arguments. */
+ static char *current_name;
+ static char *current_label;
-void
+ if (end_p)
+ {
+ if (current_name == NULL)
+ {
+ as_bad (_("missing .func"));
+ ignore_rest_of_line ();
+ return;
+ }
+
+ if (debug_type == DEBUG_STABS)
+ stabs_generate_asm_endfunc (current_name, current_label);
+
+ current_name = current_label = NULL;
+ }
+ else /* ! end_p */
+ {
+ char *name, *label;
+ char delim1, delim2;
+
+ if (current_name != NULL)
+ {
+ as_bad (_(".endfunc missing for previous .func"));
+ ignore_rest_of_line ();
+ return;
+ }
+
+ name = input_line_pointer;
+ delim1 = get_symbol_end ();
+ name = xstrdup (name);
+ *input_line_pointer = delim1;
+ SKIP_WHITESPACE ();
+ if (*input_line_pointer != ',')
+ {
+ if (default_prefix)
+ asprintf (&label, "%s%s", default_prefix, name);
+ else
+ {
+ char leading_char = 0;
+#ifdef BFD_ASSEMBLER
+ leading_char = bfd_get_symbol_leading_char (stdoutput);
+#endif
+ /* Missing entry point, use function's name with the leading
+ char prepended. */
+ if (leading_char)
+ asprintf (&label, "%c%s", leading_char, name);
+ else
+ label = name;
+ }
+ }
+ else
+ {
+ ++input_line_pointer;
+ SKIP_WHITESPACE ();
+ label = input_line_pointer;
+ delim2 = get_symbol_end ();
+ label = xstrdup (label);
+ *input_line_pointer = delim2;
+ }
+
+ if (debug_type == DEBUG_STABS)
+ stabs_generate_asm_func (name, label);
+
+ current_name = name;
+ current_label = label;
+ }
+
+ demand_empty_rest_of_line ();
+}
+\f
+void
s_ignore (arg)
- int arg;
+ int arg ATTRIBUTE_UNUSED;
{
while (!is_end_of_line[(unsigned char) *input_line_pointer])
{
++input_line_pointer;
}
-
void
read_print_statistics (file)
FILE *file;
hash_print_statistics (file, "pseudo-op table", po_hash);
}
-/* end of read.c */
+/* 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.
+
+ An appropriate use of this function would be substition of input lines when
+ called by md_start_line_hook(). The given line is assumed to already be
+ properly scrubbed. */
+
+void
+input_scrub_insert_line (line)
+ const char *line;
+{
+ sb newline;
+ sb_new (&newline);
+ sb_add_string (&newline, line);
+ input_scrub_include_sb (&newline, input_line_pointer, 0);
+ sb_kill (&newline);
+ buffer_limit = input_scrub_next_buffer (&input_line_pointer);
+}
+
+/* Insert a file into the input stream; the path must resolve to an actual
+ file; no include path searching or dependency registering is performed. */
+
+void
+input_scrub_insert_file (path)
+ char *path;
+{
+ input_scrub_include_file (path, input_line_pointer);
+ buffer_limit = input_scrub_next_buffer (&input_line_pointer);
+}
projects / deliverable / binutils-gdb.git / blobdiff