aboutsummaryrefslogtreecommitdiff
path: root/gas/symbols.c
diff options
context:
space:
mode:
authorKazu Hirata <kazu@codesourcery.com>2000-08-10 19:00:08 +0000
committerKazu Hirata <kazu@codesourcery.com>2000-08-10 19:00:08 +0000
commit7c743825ea4a910e73672628fe2fc5aef60608d5 (patch)
tree400f900da5334f71065d9eb159d8e98d89e0dea7 /gas/symbols.c
parentf1d7622b957e12c8130c24fe4c46882f70b59b1c (diff)
downloadgdb-7c743825ea4a910e73672628fe2fc5aef60608d5.zip
gdb-7c743825ea4a910e73672628fe2fc5aef60608d5.tar.gz
gdb-7c743825ea4a910e73672628fe2fc5aef60608d5.tar.bz2
2000-08-10 Kazu Hirata <kazu@hxi.com>
* symbols.c: Fix formatting.
Diffstat (limited to 'gas/symbols.c')
-rw-r--r--gas/symbols.c409
1 files changed, 188 insertions, 221 deletions
diff --git a/gas/symbols.c b/gas/symbols.c
index 68c50bb..a9dac42 100644
--- a/gas/symbols.c
+++ b/gas/symbols.c
@@ -19,7 +19,7 @@
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
-/* #define DEBUG_SYMS / * to debug symbol list maintenance */
+/* #define DEBUG_SYMS / * to debug symbol list maintenance. */
#include <ctype.h>
@@ -44,7 +44,7 @@ static struct hash_control *sy_hash;
/* Table of local symbols. */
static struct hash_control *local_hash;
-/* Below are commented in "symbols.h". */
+/* Below are commented in "symbols.h". */
symbolS *symbol_rootP;
symbolS *symbol_lastP;
symbolS abs_symbol;
@@ -63,12 +63,10 @@ static long fb_label_instance PARAMS ((long));
static void print_binary PARAMS ((FILE *, const char *, expressionS *));
-/* symbol_new()
-
- Return a pointer to a new symbol. Die if we can't make a new
+/* Return a pointer to a new symbol. Die if we can't make a new
symbol. Fill in the symbol's values. Add symbol to end of symbol
chain.
-
+
This function should be called in the general case of creating a
symbol. However, if the output file symbol table has already been
set, and you are certain that this symbol won't be wanted in the
@@ -83,9 +81,7 @@ symbol_new (name, segment, valu, frag)
{
symbolS *symbolP = symbol_create (name, segment, valu, frag);
- /*
- * Link to end of symbol chain.
- */
+ /* Link to end of symbol chain. */
#ifdef BFD_ASSEMBLER
{
extern int symbol_table_frozen;
@@ -108,7 +104,7 @@ save_symbol_name (name)
unsigned int name_length;
char *ret;
- name_length = strlen (name) + 1; /* +1 for \0 */
+ name_length = strlen (name) + 1; /* +1 for \0. */
obstack_grow (&notes, name, name_length);
ret = obstack_finish (&notes);
@@ -135,10 +131,10 @@ save_symbol_name (name)
symbolS *
symbol_create (name, segment, valu, frag)
- const char *name; /* It is copied, the caller can destroy/modify */
- segT segment; /* Segment identifier (SEG_<something>) */
- valueT valu; /* Symbol value */
- fragS *frag; /* Associated fragment */
+ const char *name; /* It is copied, the caller can destroy/modify. */
+ segT segment; /* Segment identifier (SEG_<something>). */
+ valueT valu; /* Symbol value. */
+ fragS *frag; /* Associated fragment. */
{
char *preserved_copy_of_name;
symbolS *symbolP;
@@ -147,7 +143,7 @@ symbol_create (name, segment, valu, frag)
symbolP = (symbolS *) obstack_alloc (&notes, sizeof (symbolS));
- /* symbol must be born in some fixed state. This seems as good as any. */
+ /* symbol must be born in some fixed state. This seems as good as any. */
memset (symbolP, 0, sizeof (symbolS));
#ifdef BFD_ASSEMBLER
@@ -272,22 +268,17 @@ local_symbol_convert (locsym)
#endif /* ! BFD_ASSEMBLER */
+/* We have just seen "<name>:".
+ Creates a struct symbol unless it already exists.
+
+ Gripes if we are redefining a symbol incompatibly (and ignores it). */
-/*
- * colon()
- *
- * We have just seen "<name>:".
- * Creates a struct symbol unless it already exists.
- *
- * Gripes if we are redefining a symbol incompatibly (and ignores it).
- *
- */
symbolS *
-colon (sym_name) /* just seen "x:" - rattle symbols & frags */
- const char *sym_name; /* symbol name, as a cannonical string */
- /* We copy this string: OK to alter later. */
+colon (sym_name) /* Just seen "x:" - rattle symbols & frags. */
+ const char *sym_name; /* Symbol name, as a cannonical string. */
+ /* We copy this string: OK to alter later. */
{
- register symbolS *symbolP; /* symbol we are working with */
+ register symbolS *symbolP; /* Symbol we are working with. */
/* Sun local labels go out of scope whenever a non-local symbol is
defined. */
@@ -327,9 +318,9 @@ colon (sym_name) /* just seen "x:" - rattle symbols & frags */
(offsetT) 0,
NULL);
- /* We want to store the pointer to where to insert the jump table in the
- fr_opcode of the rs_broken_word frag. This requires a little
- hackery. */
+ /* We want to store the pointer to where to insert the jump
+ table in the fr_opcode of the rs_broken_word frag. This
+ requires a little hackery. */
while (frag_tmp
&& (frag_tmp->fr_type != rs_broken_word
|| frag_tmp->fr_opcode))
@@ -349,9 +340,7 @@ colon (sym_name) /* just seen "x:" - rattle symbols & frags */
if (RESOLVE_SYMBOL_REDEFINITION (symbolP))
return symbolP;
#endif
- /*
- * Now check for undefined symbols
- */
+ /* Now check for undefined symbols. */
if (LOCAL_SYMBOL_CHECK (symbolP))
{
#ifdef BFD_ASSEMBLER
@@ -377,27 +366,27 @@ colon (sym_name) /* just seen "x:" - rattle symbols & frags */
{
symbolP->sy_frag = frag_now;
#ifdef OBJ_VMS
- S_SET_OTHER(symbolP, const_flag);
+ S_SET_OTHER (symbolP, const_flag);
#endif
S_SET_VALUE (symbolP, (valueT) frag_now_fix ());
S_SET_SEGMENT (symbolP, now_seg);
#ifdef N_UNDF
know (N_UNDF == 0);
-#endif /* if we have one, it better be zero. */
+#endif /* if we have one, it better be zero. */
}
else
{
- /*
- * There are still several cases to check:
- * A .comm/.lcomm symbol being redefined as
- * initialized data is OK
- * A .comm/.lcomm symbol being redefined with
- * a larger size is also OK
- *
- * This only used to be allowed on VMS gas, but Sun cc
- * on the sparc also depends on it.
- */
+ /* There are still several cases to check:
+
+ A .comm/.lcomm symbol being redefined as initialized
+ data is OK
+
+ A .comm/.lcomm symbol being redefined with a larger
+ size is also OK
+
+ This only used to be allowed on VMS gas, but Sun cc
+ on the sparc also depends on it. */
if (((!S_IS_DEBUG (symbolP)
&& (!S_IS_DEFINED (symbolP) || S_IS_COMMON (symbolP))
@@ -406,17 +395,14 @@ colon (sym_name) /* just seen "x:" - rattle symbols & frags */
&& (now_seg == data_section
|| now_seg == S_GET_SEGMENT (symbolP)))
{
- /*
- * Select which of the 2 cases this is
- */
+ /* Select which of the 2 cases this is. */
if (now_seg != data_section)
{
- /*
- * New .comm for prev .comm symbol.
- * If the new size is larger we just
- * change its value. If the new size
- * is smaller, we ignore this symbol
- */
+ /* New .comm for prev .comm symbol.
+
+ If the new size is larger we just change its
+ value. If the new size is smaller, we ignore
+ this symbol. */
if (S_GET_VALUE (symbolP)
< ((unsigned) frag_now_fix ()))
{
@@ -429,10 +415,10 @@ colon (sym_name) /* just seen "x:" - rattle symbols & frags */
data. */
symbolP->sy_frag = frag_now;
#ifdef OBJ_VMS
- S_SET_OTHER(symbolP, const_flag);
+ S_SET_OTHER (symbolP, const_flag);
#endif
S_SET_VALUE (symbolP, (valueT) frag_now_fix ());
- S_SET_SEGMENT (symbolP, now_seg); /* keep N_EXT bit */
+ S_SET_SEGMENT (symbolP, now_seg); /* Keep N_EXT bit. */
}
}
else
@@ -456,16 +442,16 @@ colon (sym_name) /* just seen "x:" - rattle symbols & frags */
od_buf,
(long) S_GET_VALUE (symbolP));
}
- } /* if the undefined symbol has no value */
+ } /* if the undefined symbol has no value */
}
else
{
- /* Don't blow up if the definition is the same */
+ /* Don't blow up if the definition is the same. */
if (!(frag_now == symbolP->sy_frag
&& S_GET_VALUE (symbolP) == frag_now_fix ()
&& S_GET_SEGMENT (symbolP) == now_seg))
as_fatal (_("Symbol %s already defined."), sym_name);
- } /* if this symbol is not yet defined */
+ } /* if this symbol is not yet defined */
}
#ifdef BFD_ASSEMBLER
@@ -485,7 +471,7 @@ colon (sym_name) /* just seen "x:" - rattle symbols & frags */
#endif /* OBJ_VMS */
symbol_table_insert (symbolP);
- } /* if we have seen this symbol before */
+ } /* if we have seen this symbol before */
if (mri_common_symbol != NULL)
{
@@ -511,15 +497,9 @@ colon (sym_name) /* just seen "x:" - rattle symbols & frags */
return symbolP;
}
+/* Die if we can't insert the symbol. */
-/*
- * symbol_table_insert()
- *
- * Die if we can't insert the symbol.
- *
- */
-
-void
+void
symbol_table_insert (symbolP)
symbolS *symbolP;
{
@@ -542,15 +522,12 @@ symbol_table_insert (symbolP)
{
as_fatal (_("Inserting \"%s\" into symbol table failed: %s"),
S_GET_NAME (symbolP), error_string);
- } /* on error */
-} /* symbol_table_insert() */
+ } /* on error */
+}
-/*
- * symbol_find_or_make()
- *
- * If a symbol name does not exist, create it as undefined, and insert
- * it into the symbol table. Return a pointer to it.
- */
+/* If a symbol name does not exist, create it as undefined, and insert
+ it into the symbol table. Return a pointer to it. */
+
symbolS *
symbol_find_or_make (name)
const char *name;
@@ -581,7 +558,7 @@ symbol_find_or_make (name)
} /* if symbol wasn't found */
return (symbolP);
-} /* symbol_find_or_make() */
+}
symbolS *
symbol_make (name)
@@ -589,23 +566,19 @@ symbol_make (name)
{
symbolS *symbolP;
- /* Let the machine description default it, e.g. for register names. */
+ /* Let the machine description default it, e.g. for register names. */
symbolP = md_undefined_symbol ((char *) name);
if (!symbolP)
symbolP = symbol_new (name, undefined_section, (valueT) 0, &zero_address_frag);
return (symbolP);
-} /* symbol_make() */
+}
-/*
- * symbol_find()
- *
- * Implement symbol table lookup.
- * In: A symbol's name as a string: '\0' can't be part of a symbol name.
- * Out: NULL if the name was not in the symbol table, else the address
- * of a struct symbol associated with that name.
- */
+/* Implement symbol table lookup.
+ In: A symbol's name as a string: '\0' can't be part of a symbol name.
+ Out: NULL if the name was not in the symbol table, else the address
+ of a struct symbol associated with that name. */
symbolS *
symbol_find (name)
@@ -616,7 +589,7 @@ symbol_find (name)
#else /* STRIP_UNDERSCORE */
return (symbol_find_base (name, 0));
#endif /* STRIP_UNDERSCORE */
-} /* symbol_find() */
+}
symbolS *
symbol_find_base (name, strip_underscore)
@@ -668,16 +641,15 @@ symbol_find_base (name, strip_underscore)
return ((symbolS *) hash_find (sy_hash, name));
}
-/*
- * Once upon a time, symbols were kept in a singly linked list. At
- * least coff needs to be able to rearrange them from time to time, for
- * which a doubly linked list is much more convenient. Loic did these
- * as macros which seemed dangerous to me so they're now functions.
- * xoxorich.
- */
+/* Once upon a time, symbols were kept in a singly linked list. At
+ least coff needs to be able to rearrange them from time to time, for
+ which a doubly linked list is much more convenient. Loic did these
+ as macros which seemed dangerous to me so they're now functions.
+ xoxorich. */
+
+/* Link symbol ADDME after symbol TARGET in the chain. */
-/* Link symbol ADDME after symbol TARGET in the chain. */
-void
+void
symbol_append (addme, target, rootPP, lastPP)
symbolS *addme;
symbolS *target;
@@ -700,7 +672,7 @@ symbol_append (addme, target, rootPP, lastPP)
*rootPP = addme;
*lastPP = addme;
return;
- } /* if the list is empty */
+ } /* if the list is empty */
if (target->sy_next != NULL)
{
@@ -712,7 +684,7 @@ symbol_append (addme, target, rootPP, lastPP)
{
know (*lastPP == target);
*lastPP = addme;
- } /* if we have a next */
+ } /* if we have a next */
addme->sy_next = target->sy_next;
target->sy_next = addme;
@@ -724,8 +696,9 @@ symbol_append (addme, target, rootPP, lastPP)
debug_verify_symchain (symbol_rootP, symbol_lastP);
}
-/* Set the chain pointers of SYMBOL to null. */
-void
+/* Set the chain pointers of SYMBOL to null. */
+
+void
symbol_clear_list_pointers (symbolP)
symbolS *symbolP;
{
@@ -738,8 +711,9 @@ symbol_clear_list_pointers (symbolP)
}
#ifdef SYMBOLS_NEED_BACKPOINTERS
-/* Remove SYMBOLP from the list. */
-void
+/* Remove SYMBOLP from the list. */
+
+void
symbol_remove (symbolP, rootPP, lastPP)
symbolS *symbolP;
symbolS **rootPP;
@@ -751,28 +725,29 @@ symbol_remove (symbolP, rootPP, lastPP)
if (symbolP == *rootPP)
{
*rootPP = symbolP->sy_next;
- } /* if it was the root */
+ } /* if it was the root */
if (symbolP == *lastPP)
{
*lastPP = symbolP->sy_previous;
- } /* if it was the tail */
+ } /* if it was the tail */
if (symbolP->sy_next != NULL)
{
symbolP->sy_next->sy_previous = symbolP->sy_previous;
- } /* if not last */
+ } /* if not last */
if (symbolP->sy_previous != NULL)
{
symbolP->sy_previous->sy_next = symbolP->sy_next;
- } /* if not first */
+ } /* if not first */
debug_verify_symchain (*rootPP, *lastPP);
}
-/* Link symbol ADDME before symbol TARGET in the chain. */
-void
+/* Link symbol ADDME before symbol TARGET in the chain. */
+
+void
symbol_insert (addme, target, rootPP, lastPP)
symbolS *addme;
symbolS *target;
@@ -792,7 +767,7 @@ symbol_insert (addme, target, rootPP, lastPP)
{
know (*rootPP == target);
*rootPP = addme;
- } /* if not first */
+ } /* if not first */
addme->sy_previous = target->sy_previous;
target->sy_previous = addme;
@@ -803,7 +778,7 @@ symbol_insert (addme, target, rootPP, lastPP)
#endif /* SYMBOLS_NEED_BACKPOINTERS */
-void
+void
verify_symbol_chain (rootP, lastP)
symbolS *rootP;
symbolS *lastP;
@@ -891,7 +866,8 @@ resolve_symbol_value (symp, finalize)
if (symp->sy_resolving)
{
if (finalize)
- as_bad (_("Symbol definition loop encountered at %s"), S_GET_NAME (symp));
+ as_bad (_("Symbol definition loop encountered at %s"),
+ S_GET_NAME (symp));
final_val = 0;
resolved = 1;
}
@@ -1076,7 +1052,8 @@ resolve_symbol_value (symp, finalize)
S_GET_NAME (symp->sy_value.X_op_symbol));
if (seg_left != undefined_section
&& seg_right != undefined_section)
- as_bad_where (file, line, _("invalid section for operation"));
+ as_bad_where (file, line,
+ _("invalid section for operation"));
}
else
{
@@ -1144,7 +1121,7 @@ resolve_symbol_value (symp, finalize)
final_seg = absolute_section;
resolved = (symbol_resolved_p (add_symbol)
&& symbol_resolved_p (op_symbol));
- break;
+ break;
case O_register:
case O_big:
@@ -1180,7 +1157,8 @@ exit_dont_set_value:
symp->sy_resolved = 1;
else if (S_GET_SEGMENT (symp) != expr_section)
{
- as_bad (_("can't resolve value for symbol \"%s\""), S_GET_NAME (symp));
+ as_bad (_("can't resolve value for symbol \"%s\""),
+ S_GET_NAME (symp));
symp->sy_resolved = 1;
}
}
@@ -1228,7 +1206,7 @@ static char *dollar_label_defines;
static unsigned long dollar_label_count;
static unsigned long dollar_label_max;
-int
+int
dollar_label_defined (label)
long label;
{
@@ -1240,9 +1218,9 @@ dollar_label_defined (label)
if (*i == label)
return dollar_label_defines[i - dollar_labels];
- /* if we get here, label isn't defined */
+ /* If we get here, label isn't defined. */
return 0;
-} /* dollar_label_defined() */
+}
static long
dollar_label_instance (label)
@@ -1256,12 +1234,12 @@ dollar_label_instance (label)
if (*i == label)
return (dollar_label_instances[i - dollar_labels]);
- /* If we get here, we haven't seen the label before, therefore its instance
- count is zero. */
+ /* If we get here, we haven't seen the label before.
+ Therefore its instance count is zero. */
return 0;
}
-void
+void
dollar_label_clear ()
{
memset (dollar_label_defines, '\0', (unsigned int) dollar_label_count);
@@ -1269,7 +1247,7 @@ dollar_label_clear ()
#define DOLLAR_LABEL_BUMP_BY 10
-void
+void
define_dollar_label (label)
long label;
{
@@ -1283,7 +1261,7 @@ define_dollar_label (label)
return;
}
- /* if we get to here, we don't have label listed yet. */
+ /* If we get to here, we don't have label listed yet. */
if (dollar_labels == NULL)
{
@@ -1301,7 +1279,7 @@ define_dollar_label (label)
dollar_label_instances = (long *) xrealloc ((char *) dollar_label_instances,
dollar_label_max * sizeof (long));
dollar_label_defines = xrealloc (dollar_label_defines, dollar_label_max);
- } /* if we needed to grow */
+ } /* if we needed to grow */
dollar_labels[dollar_label_count] = label;
dollar_label_instances[dollar_label_count] = 1;
@@ -1309,31 +1287,28 @@ define_dollar_label (label)
++dollar_label_count;
}
-/*
- * dollar_label_name()
- *
- * Caller must copy returned name: we re-use the area for the next name.
- *
- * The mth occurence of label n: is turned into the symbol "Ln^Am"
- * where n is the label number and m is the instance number. "L" makes
- * it a label discarded unless debugging and "^A"('\1') ensures no
- * ordinary symbol SHOULD get the same name as a local label
- * symbol. The first "4:" is "L4^A1" - the m numbers begin at 1.
- *
- * fb labels get the same treatment, except that ^B is used in place of ^A.
- */
-
-char * /* Return local label name. */
+/* Caller must copy returned name: we re-use the area for the next name.
+
+ The mth occurence of label n: is turned into the symbol "Ln^Am"
+ where n is the label number and m is the instance number. "L" makes
+ it a label discarded unless debugging and "^A"('\1') ensures no
+ ordinary symbol SHOULD get the same name as a local label
+ symbol. The first "4:" is "L4^A1" - the m numbers begin at 1.
+
+ fb labels get the same treatment, except that ^B is used in place
+ of ^A. */
+
+char * /* Return local label name. */
dollar_label_name (n, augend)
- register long n; /* we just saw "n$:" : n a number */
- register int augend; /* 0 for current instance, 1 for new instance */
+ register long n; /* we just saw "n$:" : n a number. */
+ register int augend; /* 0 for current instance, 1 for new instance. */
{
long i;
- /* Returned to caller, then copied. used for created names ("4f") */
+ /* Returned to caller, then copied. Used for created names ("4f"). */
static char symbol_name_build[24];
register char *p;
register char *q;
- char symbol_name_temporary[20]; /* build up a number, BACKWARDS */
+ char symbol_name_temporary[20]; /* Build up a number, BACKWARDS. */
know (n >= 0);
know (augend == 0 || augend == 1);
@@ -1343,8 +1318,8 @@ dollar_label_name (n, augend)
#endif
*p++ = 'L';
- /* Next code just does sprintf( {}, "%d", n); */
- /* label number */
+ /* Next code just does sprintf( {}, "%d", n); */
+ /* Label number. */
q = symbol_name_temporary;
for (*q++ = 0, i = n; i; ++q)
{
@@ -1354,9 +1329,9 @@ dollar_label_name (n, augend)
while ((*p = *--q) != '\0')
++p;
- *p++ = 1; /* ^A */
+ *p++ = 1; /* ^A */
- /* instance number */
+ /* Instance number. */
q = symbol_name_temporary;
for (*q++ = 0, i = dollar_label_instance (n) + augend; i; ++q)
{
@@ -1365,27 +1340,26 @@ dollar_label_name (n, augend)
}
while ((*p++ = *--q) != '\0');;
- /* The label, as a '\0' ended string, starts at symbol_name_build. */
+ /* The label, as a '\0' ended string, starts at symbol_name_build. */
return symbol_name_build;
}
-/*
- * Sombody else's idea of local labels. They are made by "n:" where n
- * is any decimal digit. Refer to them with
- * "nb" for previous (backward) n:
- * or "nf" for next (forward) n:.
- *
- * We do a little better and let n be any number, not just a single digit, but
- * since the other guy's assembler only does ten, we treat the first ten
- * specially.
- *
- * Like someone else's assembler, we have one set of local label counters for
- * entire assembly, not one set per (sub)segment like in most assemblers. This
- * implies that one can refer to a label in another segment, and indeed some
- * crufty compilers have done just that.
- *
- * Since there could be a LOT of these things, treat them as a sparse array.
- */
+/* Sombody else's idea of local labels. They are made by "n:" where n
+ is any decimal digit. Refer to them with
+ "nb" for previous (backward) n:
+ or "nf" for next (forward) n:.
+
+ We do a little better and let n be any number, not just a single digit, but
+ since the other guy's assembler only does ten, we treat the first ten
+ specially.
+
+ Like someone else's assembler, we have one set of local label counters for
+ entire assembly, not one set per (sub)segment like in most assemblers. This
+ implies that one can refer to a label in another segment, and indeed some
+ crufty compilers have done just that.
+
+ Since there could be a LOT of these things, treat them as a sparse
+ array. */
#define FB_LABEL_SPECIAL (10)
@@ -1395,17 +1369,18 @@ static long *fb_label_instances;
static long fb_label_count;
static long fb_label_max;
-/* this must be more than FB_LABEL_SPECIAL */
+/* This must be more than FB_LABEL_SPECIAL. */
#define FB_LABEL_BUMP_BY (FB_LABEL_SPECIAL + 6)
-static void
+static void
fb_label_init ()
{
memset ((void *) fb_low_counter, '\0', sizeof (fb_low_counter));
-} /* fb_label_init() */
+}
-/* add one to the instance number of this fb label */
-void
+/* Add one to the instance number of this fb label. */
+
+void
fb_label_instance_inc (label)
long label;
{
@@ -1426,11 +1401,11 @@ fb_label_instance_inc (label)
{
++fb_label_instances[i - fb_labels];
return;
- } /* if we find it */
- } /* for each existing label */
+ } /* if we find it */
+ } /* for each existing label */
}
- /* if we get to here, we don't have label listed yet. */
+ /* If we get to here, we don't have label listed yet. */
if (fb_labels == NULL)
{
@@ -1447,14 +1422,14 @@ fb_label_instance_inc (label)
fb_label_max * sizeof (long));
fb_label_instances = (long *) xrealloc ((char *) fb_label_instances,
fb_label_max * sizeof (long));
- } /* if we needed to grow */
+ } /* if we needed to grow */
fb_labels[fb_label_count] = label;
fb_label_instances[fb_label_count] = 1;
++fb_label_count;
}
-static long
+static long
fb_label_instance (label)
long label;
{
@@ -1473,8 +1448,8 @@ fb_label_instance (label)
if (*i == label)
{
return (fb_label_instances[i - fb_labels]);
- } /* if we find it */
- } /* for each existing label */
+ } /* if we find it */
+ } /* for each existing label */
}
/* We didn't find the label, so this must be a reference to the
@@ -1482,38 +1457,36 @@ fb_label_instance (label)
return 0;
}
-/*
- * fb_label_name()
- *
- * Caller must copy returned name: we re-use the area for the next name.
- *
- * The mth occurence of label n: is turned into the symbol "Ln^Bm"
- * where n is the label number and m is the instance number. "L" makes
- * it a label discarded unless debugging and "^B"('\2') ensures no
- * ordinary symbol SHOULD get the same name as a local label
- * symbol. The first "4:" is "L4^B1" - the m numbers begin at 1.
- *
- * dollar labels get the same treatment, except that ^A is used in place of ^B. */
-
-char * /* Return local label name. */
+/* Caller must copy returned name: we re-use the area for the next name.
+
+ The mth occurence of label n: is turned into the symbol "Ln^Bm"
+ where n is the label number and m is the instance number. "L" makes
+ it a label discarded unless debugging and "^B"('\2') ensures no
+ ordinary symbol SHOULD get the same name as a local label
+ symbol. The first "4:" is "L4^B1" - the m numbers begin at 1.
+
+ dollar labels get the same treatment, except that ^A is used in
+ place of ^B. */
+
+char * /* Return local label name. */
fb_label_name (n, augend)
- long n; /* we just saw "n:", "nf" or "nb" : n a number */
- long augend; /* 0 for nb, 1 for n:, nf */
+ long n; /* We just saw "n:", "nf" or "nb" : n a number. */
+ long augend; /* 0 for nb, 1 for n:, nf. */
{
long i;
- /* Returned to caller, then copied. used for created names ("4f") */
+ /* Returned to caller, then copied. Used for created names ("4f"). */
static char symbol_name_build[24];
register char *p;
register char *q;
- char symbol_name_temporary[20]; /* build up a number, BACKWARDS */
+ char symbol_name_temporary[20]; /* Build up a number, BACKWARDS. */
know (n >= 0);
know (augend == 0 || augend == 1);
p = symbol_name_build;
*p++ = 'L';
- /* Next code just does sprintf( {}, "%d", n); */
- /* label number */
+ /* Next code just does sprintf( {}, "%d", n); */
+ /* Label number. */
q = symbol_name_temporary;
for (*q++ = 0, i = n; i; ++q)
{
@@ -1523,9 +1496,9 @@ fb_label_name (n, augend)
while ((*p = *--q) != '\0')
++p;
- *p++ = 2; /* ^B */
+ *p++ = 2; /* ^B */
- /* instance number */
+ /* Instance number. */
q = symbol_name_temporary;
for (*q++ = 0, i = fb_label_instance (n) + augend; i; ++q)
{
@@ -1534,15 +1507,13 @@ fb_label_name (n, augend)
}
while ((*p++ = *--q) != '\0');;
- /* The label, as a '\0' ended string, starts at symbol_name_build. */
+ /* The label, as a '\0' ended string, starts at symbol_name_build. */
return (symbol_name_build);
-} /* fb_label_name() */
+}
-/*
- * decode name that may have been generated by foo_label_name() above. If
- * the name wasn't generated by foo_label_name(), then return it unaltered.
- * This is used for error messages.
- */
+/* Decode name that may have been generated by foo_label_name() above.
+ If the name wasn't generated by foo_label_name(), then return it
+ unaltered. This is used for error messages. */
char *
decode_local_label_name (s)
@@ -1678,7 +1649,7 @@ S_IS_EXTERNAL (s)
flags = s->bsym->flags;
- /* sanity check */
+ /* Sanity check. */
if ((flags & BSF_LOCAL) && (flags & BSF_GLOBAL))
abort ();
@@ -1735,7 +1706,7 @@ S_IS_LOCAL (s)
flags = s->bsym->flags;
- /* sanity check */
+ /* Sanity check. */
if ((flags & BSF_LOCAL) && (flags & BSF_GLOBAL))
abort ();
@@ -1814,7 +1785,7 @@ S_SET_SEGMENT (s, seg)
if (s->bsym->flags & BSF_SECTION_SYM)
{
if (s->bsym->section != seg)
- abort();
+ abort ();
}
else
s->bsym->section = seg;
@@ -1832,7 +1803,7 @@ S_SET_EXTERNAL (s)
return;
}
s->bsym->flags |= BSF_GLOBAL;
- s->bsym->flags &= ~(BSF_LOCAL|BSF_WEAK);
+ s->bsym->flags &= ~(BSF_LOCAL | BSF_WEAK);
}
void
@@ -1847,7 +1818,7 @@ S_CLEAR_EXTERNAL (s)
return;
}
s->bsym->flags |= BSF_LOCAL;
- s->bsym->flags &= ~(BSF_GLOBAL|BSF_WEAK);
+ s->bsym->flags &= ~(BSF_GLOBAL | BSF_WEAK);
}
void
@@ -1857,7 +1828,7 @@ S_SET_WEAK (s)
if (LOCAL_SYMBOL_CHECK (s))
s = local_symbol_convert ((struct local_symbol *) s);
s->bsym->flags |= BSF_WEAK;
- s->bsym->flags &= ~(BSF_GLOBAL|BSF_LOCAL);
+ s->bsym->flags &= ~(BSF_GLOBAL | BSF_LOCAL);
}
void
@@ -2125,7 +2096,7 @@ symbol_section_p (s)
#ifdef BFD_ASSEMBLER
return (s->bsym->flags & BSF_SECTION_SYM) != 0;
#else
- /* FIXME */
+ /* FIXME. */
return 0;
#endif
}
@@ -2237,7 +2208,7 @@ void
symbol_begin ()
{
symbol_lastP = NULL;
- symbol_rootP = NULL; /* In case we have 0 symbols (!!) */
+ symbol_rootP = NULL; /* In case we have 0 symbols (!!) */
sy_hash = hash_new ();
#ifdef BFD_ASSEMBLER
local_hash = hash_new ();
@@ -2249,7 +2220,7 @@ symbol_begin ()
abs_symbol.bsym = bfd_abs_section.symbol;
#endif
#else
- /* Can't initialise a union. Sigh. */
+ /* Can't initialise a union. Sigh. */
S_SET_SEGMENT (&abs_symbol, absolute_section);
#endif
abs_symbol.sy_value.X_op = O_constant;
@@ -2258,8 +2229,6 @@ symbol_begin ()
if (LOCAL_LABELS_FB)
fb_label_init ();
}
-
-
int indent_level;
@@ -2361,7 +2330,7 @@ print_symbol_value (sym)
static void
print_binary (file, name, exp)
FILE *file;
- const char * name;
+ const char *name;
expressionS *exp;
{
indent_level++;
@@ -2506,5 +2475,3 @@ symbol_print_statistics (file)
local_symbol_count, local_symbol_conversion_count);
#endif
}
-
-/* end of symbols.c */