/* tc-alpha.c - Processor-specific code for the DEC Alpha AXP CPU.
- Copyright 1989, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010
- Free Software Foundation, Inc.
+ Copyright (C) 1989-2015 Free Software Foundation, Inc.
Contributed by Carnegie Mellon University, 1993.
Written by Alessandro Forin, based on earlier gas-1.38 target CPU files.
Modified by Ken Raeburn for gas-2.x and ECOFF support.
#define OPTION_REPLACE (OPTION_RELAX + 1)
#define OPTION_NOREPLACE (OPTION_REPLACE+1)
{ "replace", no_argument, NULL, OPTION_REPLACE },
- { "noreplace", no_argument, NULL, OPTION_NOREPLACE },
+ { "noreplace", no_argument, NULL, OPTION_NOREPLACE },
#endif
{ NULL, no_argument, NULL, 0 }
};
gas_assert (insn.nfixups + 1 <= MAX_INSN_FIXUPS);
insn.fixups[insn.nfixups].reloc = BFD_RELOC_ALPHA_NOP;
ensym = symbol_find_or_make (ensymname);
- ensym->sy_used = 1;
+ symbol_mark_used (ensym);
/* The fixup must be the same as the BFD_RELOC_ALPHA_BOH
case in emit_jsrjmp. See B.4.5.2 of the OpenVMS Linker
Utility Manual. */
gas_assert (insn.nfixups + 1 <= MAX_INSN_FIXUPS);
insn.fixups[insn.nfixups].reloc = BFD_RELOC_ALPHA_LDA;
psym = symbol_find_or_make (psymname);
- psym->sy_used = 1;
+ symbol_mark_used (psym);
insn.fixups[insn.nfixups].exp.X_op = O_subtract;
insn.fixups[insn.nfixups].exp.X_add_symbol = psym;
insn.fixups[insn.nfixups].exp.X_op_symbol = alpha_evax_proc->symbol;
default:
gas_assert (size >= 1 && size <= 4);
}
-
+
pcrel = reloc_howto->pc_relative;
}
}
if (val < min || val > max)
- as_warn_value_out_of_range (_("operand"), val, min, max, file, line);
+ as_bad_value_out_of_range (_("operand"), val, min, max, file, line);
}
if (operand->insert)
/* If this is a real relocation (as opposed to a lituse hint), then
the relocation width should match the operand width.
- Take care of -MDISP in operand table. */
+ Take care of -MDISP in operand table. */
else if (reloc < BFD_RELOC_UNUSED && reloc > 0)
{
reloc_howto_type *reloc_howto
if (basereg == alpha_gp_register &&
(symlen > 4 && strcmp (&symname [symlen - 4], "..lk") == 0))
return;
-
+
newtok[0] = tok[0];
set_tok_preg (newtok[2], basereg);
if (alpha_noat_on)
as_bad (_("macro requires $at register while noat in effect"));
- lituse = load_expression (AXP_REG_AT, &tok[1],
+ lituse = load_expression (AXP_REG_AT, &tok[1],
&basereg, &newtok[1], (const char *) opname);
}
else
fixS *fixp;
symbolS *linksym, *expsym;
expressionS e;
-
+
basesym = alpha_evax_proc->symbol;
/* @@ This assumes all entries in a given section will be of the same
segT current_seg = now_seg;
subsegT current_subseg = now_subseg;
int cur_size;
-
+
input_line_pointer++;
SKIP_WHITESPACE ();
sec_name = s_alpha_section_name ();
frag_align (log_align, 0, 0);
record_alignment (bss_section, log_align);
- symbolP->sy_frag = frag_now;
+ symbol_set_frag (symbolP, frag_now);
pfrag = frag_var (rs_org, 1, 1, (relax_substateT)0, symbolP,
size, NULL);
*pfrag = 0;
subseg_set (current_seg, current_subseg);
}
#endif
-
+
if (S_GET_VALUE (symbolP))
{
if (S_GET_VALUE (symbolP) != (valueT) size)
#endif
S_SET_EXTERNAL (symbolP);
}
-
+
#ifndef OBJ_EVAX
know (symbolP->sy_frag == &zero_address_frag);
#endif
static struct alpha_elf_frame_data **plast_frame_data = &all_frame_data;
static struct alpha_elf_frame_data *cur_frame_data;
+extern int all_cfi_sections;
+
/* Handle the .section pseudo-op. This is like the usual one, but it
clears alpha_insn_label and restores auto alignment. */
char *name, name_end;
name = input_line_pointer;
name_end = get_symbol_end ();
+ /* CFI_EMIT_eh_frame is the default. */
+ all_cfi_sections = CFI_EMIT_eh_frame;
if (! is_name_beginner (*name))
{
S_GET_VALUE (p->func_sym),
symbol_get_frag (p->func_sym)));
+ cfi_set_sections ();
cfi_set_return_column (p->ra_regno);
cfi_add_CFA_def_cfa_register (30);
if (p->fp_regno != 30 || p->mask || p->fmask || p->frame_size)
{
no = 1;
str += 2;
- len -= 2;
+ len -= 2;
}
if (len == 3)
s_alpha_frame (int ignore ATTRIBUTE_UNUSED)
{
long val;
+ int ra;
alpha_evax_proc->framereg = tc_get_register (1);
alpha_evax_proc->framesize = val;
- (void) tc_get_register (1);
+ ra = tc_get_register (1);
+ if (ra != AXP_REG_RA)
+ as_warn (_("Bad RA (%d) register for .frame"), ra);
+
SKIP_WHITESPACE ();
if (*input_line_pointer++ != ',')
{
static void
s_alpha_prologue (int ignore ATTRIBUTE_UNUSED)
{
- get_absolute_expression ();
demand_empty_rest_of_line ();
alpha_prologue_label = symbol_new
(FAKE_LABEL_NAME, now_seg, (valueT) frag_now_fix (), frag_now);
}
-/* Parse .pdesc <entry_name>.
+/* Parse .pdesc <entry_name>,{null|stack|reg}
Insert a procedure descriptor. */
static void
{
char *name;
char name_end;
- register char *p;
+ char *p;
expressionS exp;
symbolS *entry_sym;
const char *entry_sym_name;
as_bad (_(".pdesc directive has no entry symbol"));
return;
}
-
+
entry_sym = make_expr_symbol (&exp);
entry_sym_name = S_GET_NAME (entry_sym);
-
+
/* Strip "..en". */
len = strlen (entry_sym_name);
if (len < 4 || strcmp (entry_sym_name + len - 4, "..en") != 0)
/* 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 *)
symbol_get_bfdsym (alpha_evax_proc->symbol)->udata.p)->enbsym
= symbol_get_bfdsym (entry_sym);
-
+
SKIP_WHITESPACE ();
if (*input_line_pointer++ != ',')
{
else
{
struct alpha_linkage_fixups *linkage_fixup;
-
+
p = frag_more (LKP_S_K_SIZE);
memset (p, 0, LKP_S_K_SIZE);
fixp = fix_new_exp
- (frag_now, p - frag_now->fr_literal, LKP_S_K_SIZE, &exp, 0,\
+ (frag_now, p - frag_now->fr_literal, LKP_S_K_SIZE, &exp, 0,
BFD_RELOC_ALPHA_LINKAGE);
+ if (alpha_insn_label == NULL)
+ alpha_insn_label = symbol_new
+ (FAKE_LABEL_NAME, now_seg, (valueT) frag_now_fix (), frag_now);
+
+ /* Create a linkage element. */
linkage_fixup = (struct alpha_linkage_fixups *)
xmalloc (sizeof (struct alpha_linkage_fixups));
-
linkage_fixup->fixp = fixp;
- linkage_fixup->next = 0;
-
- if (alpha_insn_label == 0)
- alpha_insn_label = symbol_new
- (FAKE_LABEL_NAME, now_seg, (valueT) frag_now_fix (), frag_now);
+ linkage_fixup->next = NULL;
linkage_fixup->label = alpha_insn_label;
- if (alpha_linkage_fixup_root == 0)
- {
- alpha_linkage_fixup_root = alpha_linkage_fixup_tail = linkage_fixup;
- alpha_linkage_fixup_tail->next = 0;
- }
+ /* Append it to the list. */
+ if (alpha_linkage_fixup_root == NULL)
+ alpha_linkage_fixup_root = linkage_fixup;
else
- {
- alpha_linkage_fixup_tail->next = linkage_fixup;
- alpha_linkage_fixup_tail = linkage_fixup;
- alpha_linkage_fixup_tail->next = 0;
- }
+ alpha_linkage_fixup_tail->next = linkage_fixup;
+ alpha_linkage_fixup_tail = linkage_fixup;
}
demand_empty_rest_of_line ();
}
if (!sec)
return;
- vma = bfd_get_section_vma (foo, sec);
+ vma = bfd_get_section_vma (sec->owner, sec);
if (vma && vma < alpha_gp_value)
alpha_gp_value = vma;
}
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