- optional operands
- directives:
- .alias
.eb
.estate
.lb
extern int target_big_endian;
+void (*ia64_number_to_chars) PARAMS ((char *, valueT, int));
+
+static void ia64_float_to_chars_bigendian
+ PARAMS ((char *, LITTLENUM_TYPE *, int));
+static void ia64_float_to_chars_littleendian
+ PARAMS ((char *, LITTLENUM_TYPE *, int));
+static void (*ia64_float_to_chars)
+ PARAMS ((char *, LITTLENUM_TYPE *, int));
+
+static struct hash_control *alias_hash;
+static struct hash_control *alias_name_hash;
+static struct hash_control *secalias_hash;
+static struct hash_control *secalias_name_hash;
+
/* Characters which always start a comment. */
const char comment_chars[] = "";
{ "pause", PSEUDO_FUNC_CONST, { 0x0 } },
/* unwind-related constants: */
- { "svr4", PSEUDO_FUNC_CONST, { 0 } },
- { "hpux", PSEUDO_FUNC_CONST, { 1 } },
- { "nt", PSEUDO_FUNC_CONST, { 2 } },
+ { "svr4", PSEUDO_FUNC_CONST, { ELFOSABI_NONE } },
+ { "hpux", PSEUDO_FUNC_CONST, { ELFOSABI_HPUX } },
+ { "nt", PSEUDO_FUNC_CONST, { 2 } }, /* conflicts w/ELFOSABI_NETBSD */
+ { "linux", PSEUDO_FUNC_CONST, { ELFOSABI_LINUX } },
+ { "freebsd", PSEUDO_FUNC_CONST, { ELFOSABI_FREEBSD } },
+ { "openvms", PSEUDO_FUNC_CONST, { ELFOSABI_OPENVMS } },
+ { "nsk", PSEUDO_FUNC_CONST, { ELFOSABI_NSK } },
/* unwind-related registers: */
{ "priunat",PSEUDO_FUNC_REG, { REG_PRIUNAT } }
{
if (letter == 's')
return SHF_IA_64_SHORT;
+ else if (letter == 'o')
+ return SHF_LINK_ORDER;
- *ptr_msg = _("Bad .section directive: want a,s,w,x,M,S,G,T in string");
- return 0;
+ *ptr_msg = _("Bad .section directive: want a,o,s,w,x,M,S,G,T in string");
+ return -1;
}
/* Map SHF_IA_64_SHORT to SEC_SMALL_DATA. */
if (STREQ (ELF_STRING_ia64_unwind_once))
return SHT_IA_64_UNWIND;
+ if (STREQ ("unwind"))
+ return SHT_IA_64_UNWIND;
+
if (STREQ ("init_array"))
return SHT_INIT_ARRAY;
dot_byteorder (byteorder)
int byteorder;
{
- target_big_endian = byteorder;
+ segment_info_type *seginfo = seg_info (now_seg);
+
+ if (byteorder == -1)
+ {
+ if (seginfo->tc_segment_info_data.endian == 0)
+ seginfo->tc_segment_info_data.endian
+ = TARGET_BYTES_BIG_ENDIAN ? 1 : 2;
+ byteorder = seginfo->tc_segment_info_data.endian == 1;
+ }
+ else
+ seginfo->tc_segment_info_data.endian = byteorder ? 1 : 2;
+
+ if (target_big_endian != byteorder)
+ {
+ target_big_endian = byteorder;
+ if (target_big_endian)
+ {
+ ia64_number_to_chars = number_to_chars_bigendian;
+ ia64_float_to_chars = ia64_float_to_chars_bigendian;
+ }
+ else
+ {
+ ia64_number_to_chars = number_to_chars_littleendian;
+ ia64_float_to_chars = ia64_float_to_chars_littleendian;
+ }
+ }
}
static void
demand_empty_rest_of_line ();
}
-static void
-dot_alias (dummy)
- int dummy ATTRIBUTE_UNUSED;
-{
- as_bad (".alias not implemented yet");
-}
-
static void
dot_ln (dummy)
int dummy ATTRIBUTE_UNUSED;
{ "body", dot_body, 0 },
{ "prologue", dot_prologue, 0 },
{ "endp", dot_endp, 0 },
- { "file", (void (*) PARAMS ((int))) dwarf2_directive_file, 0 },
- { "loc", dwarf2_directive_loc, 0 },
{ "fframe", dot_fframe, 0 },
{ "vframe", dot_vframe, 0 },
{ "msb", dot_byteorder, 1 },
{ "psr", dot_psr, 0 },
{ "alias", dot_alias, 0 },
+ { "secalias", dot_alias, 1 },
{ "ln", dot_ln, 0 }, /* source line info (for debugging) */
{ "xdata1", dot_xdata, 1 },
bfd_set_section_alignment (stdoutput, text_section, 4);
- target_big_endian = TARGET_BYTES_BIG_ENDIAN;
+ /* Make sure fucntion pointers get initialized. */
+ target_big_endian = -1;
+ dot_byteorder (TARGET_BYTES_BIG_ENDIAN);
+
+ alias_hash = hash_new ();
+ alias_name_hash = hash_new ();
+ secalias_hash = hash_new ();
+ secalias_name_hash = hash_new ();
+
pseudo_func[FUNC_DTP_MODULE].u.sym =
symbol_new (".<dtpmod>", undefined_section, FUNC_DTP_MODULE,
&zero_address_frag);
else if (idesc->operands[i] == IA64_OPND_PR_ROT)
{
if (idesc->operands[1] & ((valueT) 1 << 43))
- qp_changemask = ~(valueT) 0xFFFFFFFFFFF | idesc->operands[1];
+ qp_changemask = -((valueT) 1 << 44) | idesc->operands[1];
else
qp_changemask = idesc->operands[1];
qp_changemask &= ~(valueT) 0xFFFF;
int *size;
{
LITTLENUM_TYPE words[MAX_LITTLENUMS];
- LITTLENUM_TYPE *word;
char *t;
int prec;
t = atof_ieee (input_line_pointer, type, words);
if (t)
input_line_pointer = t;
- *size = prec * sizeof (LITTLENUM_TYPE);
- for (word = words + prec - 1; prec--;)
- {
- md_number_to_chars (lit, (long) (*word--), sizeof (LITTLENUM_TYPE));
- lit += sizeof (LITTLENUM_TYPE);
- }
+ (*ia64_float_to_chars) (lit, words, prec);
+
if (type == 'X')
{
/* It is 10 byte floating point with 6 byte padding. */
- memset (lit, 0, 6);
+ memset (&lit [10], 0, 6);
*size = 8 * sizeof (LITTLENUM_TYPE);
}
- return 0;
-}
-
-/* Round up a section's size to the appropriate boundary. */
-valueT
-md_section_align (seg, size)
- segT seg;
- valueT size;
-{
- int align = bfd_get_section_alignment (stdoutput, seg);
- valueT mask = ((valueT) 1 << align) - 1;
+ else
+ *size = prec * sizeof (LITTLENUM_TYPE);
- return (size + mask) & ~mask;
+ return 0;
}
/* Handle ia64 specific semantics of the align directive. */
memcpy (p, (target_big_endian ? be_nop : le_nop), 16);
fragp->fr_var = 16;
}
+
+static void
+ia64_float_to_chars_bigendian (char *lit, LITTLENUM_TYPE *words,
+ int prec)
+{
+ while (prec--)
+ {
+ number_to_chars_bigendian (lit, (long) (*words++),
+ sizeof (LITTLENUM_TYPE));
+ lit += sizeof (LITTLENUM_TYPE);
+ }
+}
+
+static void
+ia64_float_to_chars_littleendian (char *lit, LITTLENUM_TYPE *words,
+ int prec)
+{
+ while (prec--)
+ {
+ number_to_chars_littleendian (lit, (long) (words[prec]),
+ sizeof (LITTLENUM_TYPE));
+ lit += sizeof (LITTLENUM_TYPE);
+ }
+}
+
+void
+ia64_elf_section_change_hook (void)
+{
+ dot_byteorder (-1);
+}
+
+/* Check if a label should be made global. */
+void
+ia64_check_label (symbolS *label)
+{
+ if (*input_line_pointer == ':')
+ {
+ S_SET_EXTERNAL (label);
+ input_line_pointer++;
+ }
+}
+
+/* Used to remember where .alias and .secalias directives are seen. We
+ will rename symbol and section names when we are about to output
+ the relocatable file. */
+struct alias
+{
+ char *file; /* The file where the directive is seen. */
+ unsigned int line; /* The line number the directive is at. */
+ const char *name; /* The orignale name of the symbol. */
+};
+
+/* Called for .alias and .secalias directives. If SECTION is 1, it is
+ .secalias. Otherwise, it is .alias. */
+static void
+dot_alias (int section)
+{
+ char *name, *alias;
+ char delim;
+ char *end_name;
+ int len;
+ const char *error_string;
+ struct alias *h;
+ const char *a;
+ struct hash_control *ahash, *nhash;
+ const char *kind;
+
+ name = input_line_pointer;
+ delim = get_symbol_end ();
+ end_name = input_line_pointer;
+ *end_name = delim;
+
+ if (name == end_name)
+ {
+ as_bad (_("expected symbol name"));
+ discard_rest_of_line ();
+ return;
+ }
+
+ SKIP_WHITESPACE ();
+
+ if (*input_line_pointer != ',')
+ {
+ *end_name = 0;
+ as_bad (_("expected comma after \"%s\""), name);
+ *end_name = delim;
+ ignore_rest_of_line ();
+ return;
+ }
+
+ input_line_pointer++;
+ *end_name = 0;
+
+ /* We call demand_copy_C_string to check if alias string is valid.
+ There should be a closing `"' and no `\0' in the string. */
+ alias = demand_copy_C_string (&len);
+ if (alias == NULL)
+ {
+ ignore_rest_of_line ();
+ return;
+ }
+
+ /* Make a copy of name string. */
+ len = strlen (name) + 1;
+ obstack_grow (¬es, name, len);
+ name = obstack_finish (¬es);
+
+ if (section)
+ {
+ kind = "section";
+ ahash = secalias_hash;
+ nhash = secalias_name_hash;
+ }
+ else
+ {
+ kind = "symbol";
+ ahash = alias_hash;
+ nhash = alias_name_hash;
+ }
+
+ /* Check if alias has been used before. */
+ h = (struct alias *) hash_find (ahash, alias);
+ if (h)
+ {
+ if (strcmp (h->name, name))
+ as_bad (_("`%s' is already the alias of %s `%s'"),
+ alias, kind, h->name);
+ goto out;
+ }
+
+ /* Check if name already has an alias. */
+ a = (const char *) hash_find (nhash, name);
+ if (a)
+ {
+ if (strcmp (a, alias))
+ as_bad (_("%s `%s' already has an alias `%s'"), kind, name, a);
+ goto out;
+ }
+
+ h = (struct alias *) xmalloc (sizeof (struct alias));
+ as_where (&h->file, &h->line);
+ h->name = name;
+
+ error_string = hash_jam (ahash, alias, (PTR) h);
+ if (error_string)
+ {
+ as_fatal (_("inserting \"%s\" into %s alias hash table failed: %s"),
+ alias, kind, error_string);
+ goto out;
+ }
+
+ error_string = hash_jam (nhash, name, (PTR) alias);
+ if (error_string)
+ {
+ as_fatal (_("inserting \"%s\" into %s name hash table failed: %s"),
+ alias, kind, error_string);
+out:
+ obstack_free (¬es, name);
+ obstack_free (¬es, alias);
+ }
+
+ demand_empty_rest_of_line ();
+}
+
+/* It renames the original symbol name to its alias. */
+static void
+do_alias (const char *alias, PTR value)
+{
+ struct alias *h = (struct alias *) value;
+ symbolS *sym = symbol_find (h->name);
+
+ if (sym == NULL)
+ as_warn_where (h->file, h->line,
+ _("symbol `%s' aliased to `%s' is not used"),
+ h->name, alias);
+ else
+ S_SET_NAME (sym, (char *) alias);
+}
+
+/* Called from write_object_file. */
+void
+ia64_adjust_symtab (void)
+{
+ hash_traverse (alias_hash, do_alias);
+}
+
+/* It renames the original section name to its alias. */
+static void
+do_secalias (const char *alias, PTR value)
+{
+ struct alias *h = (struct alias *) value;
+ segT sec = bfd_get_section_by_name (stdoutput, h->name);
+
+ if (sec == NULL)
+ as_warn_where (h->file, h->line,
+ _("section `%s' aliased to `%s' is not used"),
+ h->name, alias);
+ else
+ sec->name = alias;
+}
+
+/* Called from write_object_file. */
+void
+ia64_frob_file (void)
+{
+ hash_traverse (secalias_hash, do_secalias);
+}
projects / deliverable / binutils-gdb.git / blobdiff