/* tc-ia64.c -- Assembler for the HP/Intel IA-64 architecture.
- Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+ Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004
+ Free Software Foundation, Inc.
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
This file is part of GAS, the GNU Assembler.
struct symbol *sym;
};
+/* This is the endianness of the current section. */
extern int target_big_endian;
+/* This is the default endianness. */
+static int default_big_endian = TARGET_BYTES_BIG_ENDIAN;
+
void (*ia64_number_to_chars) PARAMS ((char *, valueT, int));
static void ia64_float_to_chars_bigendian
struct label_prologue_count * saved_prologue_counts;
} unwind;
+/* The input value is a negated offset from psp, and specifies an address
+ psp - offset. The encoded value is psp + 16 - (4 * offset). Thus we
+ must add 16 and divide by 4 to get the encoded value. */
+
+#define ENCODED_PSP_OFFSET(OFFSET) (((OFFSET) + 16) / 4)
+
typedef void (*vbyte_func) PARAMS ((int, char *, char *));
/* Forward declarations: */
if (STREQ ("unwind"))
return SHT_IA_64_UNWIND;
- if (STREQ ("init_array"))
- return SHT_INIT_ARRAY;
-
- if (STREQ ("fini_array"))
- return SHT_FINI_ARRAY;
-
return -1;
#undef STREQ
}
unsigned int offset;
{
unw_rec_list *ptr = alloc_record (rp_psprel);
- ptr->r.record.p.pspoff = offset / 4;
+ ptr->r.record.p.pspoff = ENCODED_PSP_OFFSET (offset);
return ptr;
}
unsigned int offset;
{
unw_rec_list *ptr = alloc_record (pfs_psprel);
- ptr->r.record.p.pspoff = offset / 4;
+ ptr->r.record.p.pspoff = ENCODED_PSP_OFFSET (offset);
return ptr;
}
unsigned int offset;
{
unw_rec_list *ptr = alloc_record (preds_psprel);
- ptr->r.record.p.pspoff = offset / 4;
+ ptr->r.record.p.pspoff = ENCODED_PSP_OFFSET (offset);
return ptr;
}
unsigned int offset;
{
unw_rec_list *ptr = alloc_record (spill_base);
- ptr->r.record.p.pspoff = offset / 4;
+ ptr->r.record.p.pspoff = ENCODED_PSP_OFFSET (offset);
return ptr;
}
unsigned int offset;
{
unw_rec_list *ptr = alloc_record (unat_psprel);
- ptr->r.record.p.pspoff = offset / 4;
+ ptr->r.record.p.pspoff = ENCODED_PSP_OFFSET (offset);
return ptr;
}
unsigned int offset;
{
unw_rec_list *ptr = alloc_record (lc_psprel);
- ptr->r.record.p.pspoff = offset / 4;
+ ptr->r.record.p.pspoff = ENCODED_PSP_OFFSET (offset);
return ptr;
}
unsigned int offset;
{
unw_rec_list *ptr = alloc_record (fpsr_psprel);
- ptr->r.record.p.pspoff = offset / 4;
+ ptr->r.record.p.pspoff = ENCODED_PSP_OFFSET (offset);
return ptr;
}
unsigned int offset;
{
unw_rec_list *ptr = alloc_record (priunat_psprel);
- ptr->r.record.p.pspoff = offset / 4;
+ ptr->r.record.p.pspoff = ENCODED_PSP_OFFSET (offset);
return ptr;
}
unsigned int offset;
{
unw_rec_list *ptr = alloc_record (bsp_psprel);
- ptr->r.record.p.pspoff = offset / 4;
+ ptr->r.record.p.pspoff = ENCODED_PSP_OFFSET (offset);
return ptr;
}
unsigned int offset;
{
unw_rec_list *ptr = alloc_record (bspstore_psprel);
- ptr->r.record.p.pspoff = offset / 4;
+ ptr->r.record.p.pspoff = ENCODED_PSP_OFFSET (offset);
return ptr;
}
unsigned int offset;
{
unw_rec_list *ptr = alloc_record (rnat_psprel);
- ptr->r.record.p.pspoff = offset / 4;
+ ptr->r.record.p.pspoff = ENCODED_PSP_OFFSET (offset);
return ptr;
}
unw_rec_list *ptr = alloc_record (spill_psprel);
ptr->r.record.x.ab = ab;
ptr->r.record.x.reg = reg;
- ptr->r.record.x.pspoff = offset / 4;
+ ptr->r.record.x.pspoff = ENCODED_PSP_OFFSET (offset);
return ptr;
}
unw_rec_list *ptr = alloc_record (spill_psprel_p);
ptr->r.record.x.ab = ab;
ptr->r.record.x.reg = reg;
- ptr->r.record.x.pspoff = offset / 4;
+ ptr->r.record.x.pspoff = ENCODED_PSP_OFFSET (offset);
ptr->r.record.x.qp = predicate;
return ptr;
}
};
static void
-start_unwind_section (const segT text_seg, int sec_index)
+start_unwind_section (const segT text_seg, int sec_index, int linkonce_empty)
{
/*
Use a slightly ugly scheme to derive the unwind section names from
prefix = special_linkonce_name [sec_index - SPECIAL_SECTION_UNWIND];
suffix += sizeof (".gnu.linkonce.t.") - 1;
}
+ else if (linkonce_empty)
+ return;
prefix_len = strlen (prefix);
suffix_len = strlen (suffix);
bfd_set_section_flags (stdoutput, now_seg,
SEC_LOAD | SEC_ALLOC | SEC_READONLY);
}
+
+ elf_linked_to_section (now_seg) = text_seg;
}
static void
expressionS exp;
bfd_reloc_code_real_type reloc;
- start_unwind_section (text_seg, SPECIAL_SECTION_UNWIND_INFO);
+ start_unwind_section (text_seg, SPECIAL_SECTION_UNWIND_INFO, 0);
/* Make sure the section has 4 byte alignment for ILP32 and
8 byte alignment for LP64. */
unwind.personality_routine = 0;
}
}
+ else
+ start_unwind_section (text_seg, SPECIAL_SECTION_UNWIND_INFO, 1);
free_saved_prologue_counts ();
unwind.list = unwind.tail = unwind.current_entry = NULL;
subseg_set (md.last_text_seg, 0);
unwind.proc_end = expr_build_dot ();
- start_unwind_section (saved_seg, SPECIAL_SECTION_UNWIND);
+ start_unwind_section (saved_seg, SPECIAL_SECTION_UNWIND, 0);
/* Make sure that section has 4 byte alignment for ILP32 and
8 byte alignment for LP64. */
bytes_per_address);
}
+ else
+ start_unwind_section (saved_seg, SPECIAL_SECTION_UNWIND, 1);
+
subseg_set (saved_seg, saved_subseg);
/* Parse names of main and alternate entry points and set symbol sizes. */
if (byteorder == -1)
{
if (seginfo->tc_segment_info_data.endian == 0)
- seginfo->tc_segment_info_data.endian
- = TARGET_BYTES_BIG_ENDIAN ? 1 : 2;
+ seginfo->tc_segment_info_data.endian = default_big_endian ? 1 : 2;
byteorder = seginfo->tc_segment_info_data.endian == 1;
}
else
char mnemonic[16];
fixS *fix;
char *f;
+ int addr_mod;
first = (md.curr_slot + NUM_SLOTS - md.num_slots_in_use) % NUM_SLOTS;
know (first >= 0 & first < NUM_SLOTS);
f = frag_more (16);
+ /* Check to see if this bundle is at an offset that is a multiple of 16-bytes
+ from the start of the frag. */
+ addr_mod = frag_now_fix () & 15;
+ if (frag_now->has_code && frag_now->insn_addr != addr_mod)
+ as_bad (_("instruction address is not a multiple of 16"));
+ frag_now->insn_addr = addr_mod;
+ frag_now->has_code = 1;
+
/* now fill in slots with as many insns as possible: */
curr = first;
idesc = md.slot[curr].idesc;
if (manual_bundling)
{
if (md.num_slots_in_use > 0)
- as_bad_where (md.slot[curr].src_file, md.slot[curr].src_line,
- "`%s' does not fit into %s template",
- idesc->name, ia64_templ_desc[template].name);
+ {
+ as_bad_where (md.slot[curr].src_file, md.slot[curr].src_line,
+ "`%s' does not fit into %s template",
+ idesc->name, ia64_templ_desc[template].name);
+ --md.num_slots_in_use;
+ }
else
as_bad_where (md.slot[curr].src_file, md.slot[curr].src_line,
"Missing '}' at end of file");
else if (strcmp (arg, "le") == 0)
{
md.flags &= ~EF_IA_64_BE;
+ default_big_endian = 0;
}
else if (strcmp (arg, "be") == 0)
{
md.flags |= EF_IA_64_BE;
+ default_big_endian = 1;
}
else
return 0;
/* Make sure function pointers get initialized. */
target_big_endian = -1;
- dot_byteorder (TARGET_BYTES_BIG_ENDIAN);
+ dot_byteorder (default_big_endian);
alias_hash = hash_new ();
alias_name_hash = hash_new ();
insn_group_break (1, 0, 0);
if (rs->insn_srlz < STATE_SRLZ)
{
- int oldqp = CURR_SLOT.qp_regno;
- struct ia64_opcode *oldidesc = CURR_SLOT.idesc;
+ struct slot oldslot = CURR_SLOT;
/* Manually jam a srlz.i insn into the stream */
- CURR_SLOT.qp_regno = 0;
+ memset (&CURR_SLOT, 0, sizeof (CURR_SLOT));
CURR_SLOT.idesc = ia64_find_opcode ("srlz.i");
instruction_serialization ();
md.curr_slot = (md.curr_slot + 1) % NUM_SLOTS;
if (++md.num_slots_in_use >= NUM_SLOTS)
emit_one_bundle ();
- CURR_SLOT.qp_regno = oldqp;
- CURR_SLOT.idesc = oldidesc;
+ CURR_SLOT = oldslot;
}
insn_group_break (1, 0, 0);
break;
if (rs->data_srlz < STATE_STOP)
insn_group_break (1, 0, 0);
{
- int oldqp = CURR_SLOT.qp_regno;
- struct ia64_opcode *oldidesc = CURR_SLOT.idesc;
+ struct slot oldslot = CURR_SLOT;
/* Manually jam a srlz.d insn into the stream */
- CURR_SLOT.qp_regno = 0;
+ memset (&CURR_SLOT, 0, sizeof (CURR_SLOT));
CURR_SLOT.idesc = ia64_find_opcode ("srlz.d");
data_serialization ();
md.curr_slot = (md.curr_slot + 1) % NUM_SLOTS;
if (++md.num_slots_in_use >= NUM_SLOTS)
emit_one_bundle ();
- CURR_SLOT.qp_regno = oldqp;
- CURR_SLOT.idesc = oldidesc;
+ CURR_SLOT = oldslot;
}
break;
case IA64_DVS_IMPLIED:
void
ia64_elf_section_change_hook (void)
{
+ if (elf_section_type (now_seg) == SHT_IA_64_UNWIND
+ && elf_linked_to_section (now_seg) == NULL)
+ elf_linked_to_section (now_seg) = text_section;
dot_byteorder (-1);
}
projects / binutils-gdb.git / blobdiff