#undef AXP_REG_GP
#define AXP_REG_GP AXP_REG_PV
-static struct hash_control *alpha_evax_proc_hash;
-
#endif /* OBJ_EVAX */
/* The cpu for which we are generating code. */
/* Current procedure descriptor. */
static struct alpha_evax_procs *alpha_evax_proc;
+static struct alpha_evax_procs alpha_evax_proc_data;
static int alpha_flag_hash_long_names = 0; /* -+ */
static int alpha_flag_show_after_trunc = 0; /* -H */
static void assemble_tokens (const char *, const expressionS *, int, int);
#ifdef OBJ_EVAX
static char *s_alpha_section_name (void);
-static symbolS *add_to_link_pool (symbolS *, symbolS *, offsetT);
+static symbolS *add_to_link_pool (symbolS *, offsetT);
#endif
\f
static struct alpha_reloc_tag *
ptr1 = strstr (symname, "..") + 2;
if (ptr1 > ptr2)
ptr1 = symname;
- ensymname = (char *) xmalloc (ptr2 - ptr1 + 5);
+ ensymname = (char *) alloca (ptr2 - ptr1 + 5);
memcpy (ensymname, ptr1, ptr2 - ptr1);
memcpy (ensymname + (ptr2 - ptr1), "..en", 5);
ptr1 = strstr (symname, "..") + 2;
if (ptr1 > ptr2)
ptr1 = symname;
- psymname = (char *) xmalloc (ptr2 - ptr1 + 1);
+ psymname = (char *) alloca (ptr2 - ptr1 + 1);
memcpy (psymname, ptr1, ptr2 - ptr1);
psymname [ptr2 - ptr1] = 0;
if (!range_signed_32 (addend))
addend = sign_extend_32 (addend);
- linkexp = add_to_link_pool (alpha_evax_proc->symbol,
- exp->X_add_symbol, 0);
+ linkexp = add_to_link_pool (exp->X_add_symbol, 0);
set_tok_reg (newtok[0], targreg);
set_tok_sym (newtok[1], linkexp, 0);
set_tok_preg (newtok[2], basereg);
/* For 64-bit addends, just put it in the literal pool. */
#ifdef OBJ_EVAX
/* Emit "ldq targreg, lit(basereg)". */
- litexp = add_to_link_pool (alpha_evax_proc->symbol,
- section_symbol (absolute_section), addend);
+ litexp = add_to_link_pool (section_symbol (absolute_section), addend);
set_tok_reg (newtok[0], targreg);
set_tok_sym (newtok[1], litexp, 0);
set_tok_preg (newtok[2], alpha_gp_register);
char *ensymname;
/* Build the entry name as 'NAME..en'. */
- ensymname = (char *) xmalloc (symlen + 5);
+ ensymname = (char *) alloca (symlen + 5);
memcpy (ensymname, symname, symlen);
memcpy (ensymname + symlen, "..en", 5);
#ifdef OBJ_EVAX
/* Add sym+addend to link pool.
- Return offset from basesym to entry in link pool.
+ Return offset from curent procedure value (pv) to entry in link pool.
Add new fixup only if offset isn't 16bit. */
static symbolS *
-add_to_link_pool (symbolS *basesym,
- symbolS *sym,
- offsetT addend)
+add_to_link_pool (symbolS *sym, offsetT addend)
{
+ symbolS *basesym;
segT current_section = now_seg;
int current_subsec = now_subseg;
char *p;
symbolS *linksym, *expsym;
expressionS e;
+ basesym = alpha_evax_proc->symbol;
+
/* @@ This assumes all entries in a given section will be of the same
size... Probably correct, but unwise to rely on. */
/* This must always be called with the same subsegment. */
return fixp->tc_fix_data.info->sym;
}
- /* Not found in 16bit signed range. */
-
+ /* Not found, add a new entry. */
subseg_set (alpha_link_section, 0);
linksym = symbol_new
(FAKE_LABEL_NAME, now_seg, (valueT) frag_now_fix (), frag_now);
p = frag_more (8);
memset (p, 0, 8);
+ /* Create the basesym - linksym expression (offset of the added entry). */
e.X_op = O_subtract;
e.X_add_symbol = linksym;
e.X_op_symbol = basesym;
fixp->tc_fix_data.info->sym = expsym;
subseg_set (current_section, current_subsec);
- seginfo->literal_pool_size += 8;
return expsym;
}
#endif /* OBJ_EVAX */
symbolS *symbol;
expressionS symexpr;
- alpha_evax_proc
- = (struct alpha_evax_procs *) xmalloc (sizeof (struct alpha_evax_procs));
+ if (alpha_evax_proc != NULL)
+ as_bad (_("previous .ent not closed by a .end"));
+
+ alpha_evax_proc = &alpha_evax_proc_data;
alpha_evax_proc->pdsckind = 0;
alpha_evax_proc->framereg = -1;
symbol_get_bfdsym (symbol)->flags |= BSF_FUNCTION;
alpha_evax_proc->symbol = symbol;
- (void) hash_insert
- (alpha_evax_proc_hash,
- symbol_get_bfdsym (alpha_evax_proc->symbol)->name, (PTR)alpha_evax_proc);
-
demand_empty_rest_of_line ();
}
register char *p;
expressionS exp;
symbolS *entry_sym;
- fixS *fixp;
- segment_info_type *seginfo = seg_info (alpha_link_section);
const char *entry_sym_name;
- char *sym_name;
- int len;
+ const char *pdesc_sym_name;
+ fixS *fixp;
+ size_t len;
if (now_seg != alpha_link_section)
{
as_bad (_(".pdesc directive not in link (.link) section"));
- demand_empty_rest_of_line ();
return;
}
expression (&exp);
if (exp.X_op != O_symbol)
{
- as_warn (_(".pdesc directive has no entry symbol"));
- demand_empty_rest_of_line ();
+ as_bad (_(".pdesc directive has no entry symbol"));
return;
}
entry_sym = make_expr_symbol (&exp);
- entry_sym_name = symbol_get_bfdsym (entry_sym)->name;
+ entry_sym_name = S_GET_NAME (entry_sym);
+ /* Strip "..en". */
len = strlen (entry_sym_name);
- sym_name = (char *) xmalloc (len - 4 + 1);
- strncpy (sym_name, entry_sym_name, len - 4);
- sym_name [len - 4] = 0;
-
- alpha_evax_proc = (struct alpha_evax_procs *)
- hash_find (alpha_evax_proc_hash, sym_name);
-
- if (!alpha_evax_proc || !S_IS_DEFINED (alpha_evax_proc->symbol))
+ if (len < 4 || strcmp (entry_sym_name + len - 4, "..en") != 0)
{
- as_fatal (_(".pdesc has no matching .ent"));
- demand_empty_rest_of_line ();
+ as_bad (_(".pdesc has a bad entry symbol"));
return;
}
+ len -= 4;
+ pdesc_sym_name = S_GET_NAME (alpha_evax_proc->symbol);
- *symbol_get_obj (alpha_evax_proc->symbol) =
- (valueT) seginfo->literal_pool_size;
+ if (!alpha_evax_proc
+ || !S_IS_DEFINED (alpha_evax_proc->symbol)
+ || strlen (pdesc_sym_name) != len
+ || memcmp (entry_sym_name, pdesc_sym_name, len) != 0)
+ {
+ as_fatal (_(".pdesc doesn't match with last .ent"));
+ return;
+ }
- alpha_evax_proc->symbol->sy_obj = (valueT)seginfo->literal_pool_size;
+ /* Define pdesc symbol. */
+ symbol_set_value_now (alpha_evax_proc->symbol);
/* Save bfd symbol of proc entry in function symbol. */
((struct evax_private_udata_struct *)
p = frag_more (16);
fixp = fix_new (frag_now, p - frag_now->fr_literal, 8, 0, 0, 0, 0);
fixp->fx_done = 1;
- seginfo->literal_pool_size += 16;
*p = alpha_evax_proc->pdsckind
| ((alpha_evax_proc->framereg == 29) ? PDSC_S_M_BASE_REG_IS_FP : 0)
/* Signature offset. */
md_number_to_chars (p + 6, (valueT) 0, 2);
- fix_new_exp (frag_now, p - frag_now->fr_literal+8, 8, &exp, 0, BFD_RELOC_64);
+ fix_new_exp (frag_now, p - frag_now->fr_literal + 8,
+ 8, &exp, 0, BFD_RELOC_64);
if (alpha_evax_proc->pdsckind == PDSC_S_K_KIND_NULL)
return;
- /* Add dummy fix to make add_to_link_pool work. */
- p = frag_more (6);
- fixp = fix_new (frag_now, p - frag_now->fr_literal, 6, 0, 0, 0, 0);
- fixp->fx_done = 1;
- seginfo->literal_pool_size += 6;
-
/* pdesc+16: Size. */
+ p = frag_more (6);
md_number_to_chars (p, (valueT) alpha_evax_proc->framesize, 4);
-
md_number_to_chars (p + 4, (valueT) 0, 2);
/* Entry length. */
if (alpha_evax_proc->pdsckind == PDSC_S_K_KIND_FP_REGISTER)
return;
- /* Add dummy fix to make add_to_link_pool work. */
- p = frag_more (8);
- fixp = fix_new (frag_now, p - frag_now->fr_literal, 8, 0, 0, 0, 0);
- fixp->fx_done = 1;
- seginfo->literal_pool_size += 8;
-
/* pdesc+24: register masks. */
-
+ p = frag_more (8);
md_number_to_chars (p, alpha_evax_proc->imask, 4);
md_number_to_chars (p + 4, alpha_evax_proc->fmask, 4);
if (alpha_evax_proc->handler_data)
{
- /* Add dummy fix to make add_to_link_pool work. */
p = frag_more (8);
- fixp = fix_new (frag_now, p - frag_now->fr_literal, 8, 0, 0, 0, 0);
- fixp->fx_done = 1;
- seginfo->literal_pool_size += 8;
md_number_to_chars (p, alpha_evax_proc->handler_data, 8);
}
}
{
char *p;
expressionS exp;
- segment_info_type *seginfo = seg_info (alpha_link_section);
if (now_seg != alpha_link_section)
{
frag_align (3, 0, 0);
p = frag_more (8);
- seginfo->literal_pool_size += 8;
fix_new_exp (frag_now, p - frag_now->fr_literal, 8, &exp, 0, BFD_RELOC_64);
}
c = get_symbol_end ();
*input_line_pointer = c;
demand_empty_rest_of_line ();
- alpha_evax_proc = 0;
+ alpha_evax_proc = NULL;
}
static void
#ifdef OBJ_EVAX
create_literal_section (".link", &alpha_link_section, &alpha_link_symbol);
- alpha_evax_proc_hash = hash_new ();
#endif
#ifdef OBJ_ELF
if (pname_len > 4 && strcmp (pname + pname_len - 4, "..en") == 0)
{
symbolS *sym;
- char *my_pname = xstrdup (pname);
+ char *my_pname = (char *) alloca (pname_len - 4 + 1);
+
+ memcpy (my_pname, pname, pname_len - 4);
my_pname [pname_len - 4] = 0;
sym = symbol_find (my_pname);
if (sym == NULL)
abort ();
+
while (symbol_equated_reloc_p (sym))
{
symbolS *n = symbol_get_value_expression (sym)->X_add_symbol;