/* tc-arm.c -- Assemble for the ARM
Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
- 2004, 2005, 2006
+ 2004, 2005, 2006, 2007
Free Software Foundation, Inc.
Contributed by Richard Earnshaw (rwe@pegasus.esprit.ec.org)
Modified by David Taylor (dtaylor@armltd.co.uk)
GAS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
+ the Free Software Foundation; either version 3, or (at your option)
any later version.
GAS is distributed in the hope that it will be useful,
#ifdef OBJ_ELF
#include "elf/arm.h"
-#include "dwarf2dbg.h"
#include "dw2gencfi.h"
#endif
-/* XXX Set this to 1 after the next binutils release. */
-#define WARN_DEPRECATED 0
+#include "dwarf2dbg.h"
+
+#define WARN_DEPRECATED 1
#ifdef OBJ_ELF
/* Must be at least the size of the largest unwind opcode (currently two). */
static const arm_feature_set *march_cpu_opt = NULL;
static const arm_feature_set *march_fpu_opt = NULL;
static const arm_feature_set *mfpu_opt = NULL;
+static const arm_feature_set *object_arch = NULL;
/* Constants for known architecture features. */
static const arm_feature_set fpu_default = FPU_DEFAULT;
static const arm_feature_set arm_arch_t2 = ARM_ARCH_THUMB2;
static const arm_feature_set arm_arch_none = ARM_ARCH_NONE;
+static const arm_feature_set arm_cext_iwmmxt2 =
+ ARM_FEATURE (0, ARM_CEXT_IWMMXT2);
static const arm_feature_set arm_cext_iwmmxt =
ARM_FEATURE (0, ARM_CEXT_IWMMXT);
static const arm_feature_set arm_cext_xscale =
# else
static int meabi_flags = EF_ARM_EABI_UNKNOWN;
# endif
+
+bfd_boolean
+arm_is_eabi(void)
+{
+ return (EF_ARM_EABI_VERSION (meabi_flags) >= EF_ARM_EABI_VER4);
+}
#endif
#ifdef OBJ_ELF
unsigned immisreg : 1; /* .imm field is a second register. */
unsigned isscalar : 1; /* Operand is a (Neon) scalar. */
unsigned immisalign : 1; /* Immediate is an alignment specifier. */
+ unsigned immisfloat : 1; /* Immediate was parsed as a float. */
/* Note: we abuse "regisimm" to mean "is Neon register" in VMOV
instructions. This allows us to disambiguate ARM <-> vector insns. */
unsigned regisimm : 1; /* 64-bit immediate, reg forms high 32 bits. */
#define INDEX_UP 0x00800000
#define WRITE_BACK 0x00200000
#define LDM_TYPE_2_OR_3 0x00400000
+#define CPSI_MMOD 0x00020000
#define LITERAL_MASK 0xf000f000
#define OPCODE_MASK 0xfe1fffff
#define V4_STR_BIT 0x00000020
+#define T2_SUBS_PC_LR 0xf3de8f00
+
#define DATA_OP_SHIFT 21
#define T2_OPCODE_MASK 0xfe1fffff
case 'x':
case 'X':
- prec = 6;
+ prec = 5;
break;
case 'p':
case 'P':
- prec = 6;
+ prec = 5;
break;
default:
*sizeP = 0;
- return _("bad call to MD_ATOF()");
+ return _("Unrecognized or unsupported floating point constant");
}
t = atof_ieee (input_line_pointer, type, words);
if (t)
input_line_pointer = t;
- *sizeP = prec * 2;
+ *sizeP = prec * sizeof (LITTLENUM_TYPE);
if (target_big_endian)
{
for (i = 0; i < prec; i++)
{
- md_number_to_chars (litP, (valueT) words[i], 2);
- litP += 2;
+ md_number_to_chars (litP, (valueT) words[i], sizeof (LITTLENUM_TYPE));
+ litP += sizeof (LITTLENUM_TYPE);
}
}
else
if (ARM_CPU_HAS_FEATURE (cpu_variant, fpu_endian_pure))
for (i = prec - 1; i >= 0; i--)
{
- md_number_to_chars (litP, (valueT) words[i], 2);
- litP += 2;
+ md_number_to_chars (litP, (valueT) words[i], sizeof (LITTLENUM_TYPE));
+ litP += sizeof (LITTLENUM_TYPE);
}
else
/* For a 4 byte float the order of elements in `words' is 1 0.
For an 8 byte float the order is 1 0 3 2. */
for (i = 0; i < prec; i += 2)
{
- md_number_to_chars (litP, (valueT) words[i + 1], 2);
- md_number_to_chars (litP + 2, (valueT) words[i], 2);
- litP += 4;
+ md_number_to_chars (litP, (valueT) words[i + 1],
+ sizeof (LITTLENUM_TYPE));
+ md_number_to_chars (litP + sizeof (LITTLENUM_TYPE),
+ (valueT) words[i], sizeof (LITTLENUM_TYPE));
+ litP += 2 * sizeof (LITTLENUM_TYPE);
}
}
- return 0;
+ return NULL;
}
/* We handle all bad expressions here, so that we can report the faulty
&& (reg->type == REG_TYPE_VFS || reg->type == REG_TYPE_VFD))
|| (type == REG_TYPE_NSDQ
&& (reg->type == REG_TYPE_VFS || reg->type == REG_TYPE_VFD
- || reg->type == REG_TYPE_NQ)))
+ || reg->type == REG_TYPE_NQ))
+ || (type == REG_TYPE_MMXWC
+ && (reg->type == REG_TYPE_MMXWCG)))
type = reg->type;
if (type != reg->type)
else if (new->number != number || new->type != type)
as_warn (_("ignoring redefinition of register alias '%s'"), str);
- return 0;
+ return NULL;
}
name = xstrdup (str);
new_register_name .req existing_register_name
If we find one, or if it looks sufficiently like one that we want to
- handle any error here, return non-zero. Otherwise return zero. */
+ handle any error here, return TRUE. Otherwise return FALSE. */
-static int
+static bfd_boolean
create_register_alias (char * newname, char *p)
{
struct reg_entry *old;
collapsed to single spaces. */
oldname = p;
if (strncmp (oldname, " .req ", 6) != 0)
- return 0;
+ return FALSE;
oldname += 6;
if (*oldname == '\0')
- return 0;
+ return FALSE;
old = hash_find (arm_reg_hsh, oldname);
if (!old)
{
as_warn (_("unknown register '%s' -- .req ignored"), oldname);
- return 1;
+ return TRUE;
}
/* If TC_CASE_SENSITIVE is defined, then newname already points to
/* Create aliases under the new name as stated; an all-lowercase
version of the new name; and an all-uppercase version of the new
name. */
- insert_reg_alias (nbuf, old->number, old->type);
-
- for (p = nbuf; *p; p++)
- *p = TOUPPER (*p);
+ if (insert_reg_alias (nbuf, old->number, old->type) != NULL)
+ {
+ for (p = nbuf; *p; p++)
+ *p = TOUPPER (*p);
- if (strncmp (nbuf, newname, nlen))
- insert_reg_alias (nbuf, old->number, old->type);
+ if (strncmp (nbuf, newname, nlen))
+ {
+ /* If this attempt to create an additional alias fails, do not bother
+ trying to create the all-lower case alias. We will fail and issue
+ a second, duplicate error message. This situation arises when the
+ programmer does something like:
+ foo .req r0
+ Foo .req r1
+ The second .req creates the "Foo" alias but then fails to create
+ the artifical FOO alias because it has already been created by the
+ first .req. */
+ if (insert_reg_alias (nbuf, old->number, old->type) == NULL)
+ return TRUE;
+ }
- for (p = nbuf; *p; p++)
- *p = TOLOWER (*p);
+ for (p = nbuf; *p; p++)
+ *p = TOLOWER (*p);
- if (strncmp (nbuf, newname, nlen))
- insert_reg_alias (nbuf, old->number, old->type);
+ if (strncmp (nbuf, newname, nlen))
+ insert_reg_alias (nbuf, old->number, old->type);
+ }
- return 1;
+ return TRUE;
}
/* Create a Neon typed/indexed register alias using directives, e.g.:
name);
else
{
+ char * p;
+ char * nbuf;
+
hash_delete (arm_reg_hsh, name);
free ((char *) reg->name);
if (reg->neon)
free (reg->neon);
free (reg);
+
+ /* Also locate the all upper case and all lower case versions.
+ Do not complain if we cannot find one or the other as it
+ was probably deleted above. */
+
+ nbuf = strdup (name);
+ for (p = nbuf; *p; p++)
+ *p = TOUPPER (*p);
+ reg = hash_find (arm_reg_hsh, nbuf);
+ if (reg)
+ {
+ hash_delete (arm_reg_hsh, nbuf);
+ free ((char *) reg->name);
+ if (reg->neon)
+ free (reg->neon);
+ free (reg);
+ }
+
+ for (p = nbuf; *p; p++)
+ *p = TOLOWER (*p);
+ reg = hash_find (arm_reg_hsh, nbuf);
+ if (reg)
+ {
+ hash_delete (arm_reg_hsh, nbuf);
+ free ((char *) reg->name);
+ if (reg->neon)
+ free (reg->neon);
+ free (reg);
+ }
+
+ free (nbuf);
}
}
static enum mstate mapstate = MAP_UNDEFINED;
-static void
+void
mapping_state (enum mstate state)
{
symbolS * symbolP;
if (new_target == NULL)
{
- as_warn ("Failed to find real start of function: %s\n", name);
+ as_warn (_("Failed to find real start of function: %s\n"), name);
new_target = symbolP;
}
s_align (int unused ATTRIBUTE_UNUSED)
{
int temp;
+ bfd_boolean fill_p;
long temp_fill;
long max_alignment = 15;
{
input_line_pointer++;
temp_fill = get_absolute_expression ();
+ fill_p = TRUE;
}
else
- temp_fill = 0;
+ {
+ fill_p = FALSE;
+ temp_fill = 0;
+ }
if (!temp)
temp = 2;
/* Only make a frag if we HAVE to. */
if (temp && !need_pass_2)
- frag_align (temp, (int) temp_fill, 0);
+ {
+ if (!fill_p && subseg_text_p (now_seg))
+ frag_align_code (temp, 0);
+ else
+ frag_align (temp, (int) temp_fill, 0);
+ }
demand_empty_rest_of_line ();
record_alignment (now_seg, temp);
{
demand_empty_rest_of_line ();
if (unwind.table_entry)
- as_bad (_("dupicate .handlerdata directive"));
+ as_bad (_("duplicate .handlerdata directive"));
create_unwind_entry (1);
}
}
-/* Parse a directive saving VFP registers. */
+/* Parse a directive saving VFP registers for ARMv6 and above. */
+
+static void
+s_arm_unwind_save_vfp_armv6 (void)
+{
+ int count;
+ unsigned int start;
+ valueT op;
+ int num_vfpv3_regs = 0;
+ int num_regs_below_16;
+
+ count = parse_vfp_reg_list (&input_line_pointer, &start, REGLIST_VFP_D);
+ if (count == FAIL)
+ {
+ as_bad (_("expected register list"));
+ ignore_rest_of_line ();
+ return;
+ }
+
+ demand_empty_rest_of_line ();
+
+ /* We always generate FSTMD/FLDMD-style unwinding opcodes (rather
+ than FSTMX/FLDMX-style ones). */
+
+ /* Generate opcode for (VFPv3) registers numbered in the range 16 .. 31. */
+ if (start >= 16)
+ num_vfpv3_regs = count;
+ else if (start + count > 16)
+ num_vfpv3_regs = start + count - 16;
+
+ if (num_vfpv3_regs > 0)
+ {
+ int start_offset = start > 16 ? start - 16 : 0;
+ op = 0xc800 | (start_offset << 4) | (num_vfpv3_regs - 1);
+ add_unwind_opcode (op, 2);
+ }
+
+ /* Generate opcode for registers numbered in the range 0 .. 15. */
+ num_regs_below_16 = num_vfpv3_regs > 0 ? 16 - (int) start : count;
+ assert (num_regs_below_16 + num_vfpv3_regs == count);
+ if (num_regs_below_16 > 0)
+ {
+ op = 0xc900 | (start << 4) | (num_regs_below_16 - 1);
+ add_unwind_opcode (op, 2);
+ }
+
+ unwind.frame_size += count * 8;
+}
+
+
+/* Parse a directive saving VFP registers for pre-ARMv6. */
static void
s_arm_unwind_save_vfp (void)
op = 0xffff << (reg - 1);
if (reg > 0
- || ((mask & op) == (1u << (reg - 1))))
+ && ((mask & op) == (1u << (reg - 1))))
{
op = (1 << (reg + i + 1)) - 1;
op &= ~((1 << reg) - 1);
}
-/* Parse an unwind_save directive. */
+/* Parse an unwind_save directive.
+ If the argument is non-zero, this is a .vsave directive. */
static void
-s_arm_unwind_save (int ignored ATTRIBUTE_UNUSED)
+s_arm_unwind_save (int arch_v6)
{
char *peek;
struct reg_entry *reg;
return;
case REG_TYPE_RN: s_arm_unwind_save_core (); return;
- case REG_TYPE_VFD: s_arm_unwind_save_vfp (); return;
+ case REG_TYPE_VFD:
+ if (arch_v6)
+ s_arm_unwind_save_vfp_armv6 ();
+ else
+ s_arm_unwind_save_vfp ();
+ return;
case REG_TYPE_MMXWR: s_arm_unwind_save_mmxwr (); return;
case REG_TYPE_MMXWCG: s_arm_unwind_save_mmxwcg (); return;
{
int reg;
valueT op;
+ int offset;
reg = arm_reg_parse (&input_line_pointer, REG_TYPE_RN);
if (reg == FAIL)
ignore_rest_of_line ();
return;
}
+
+ /* Optional constant. */
+ if (skip_past_comma (&input_line_pointer) != FAIL)
+ {
+ if (immediate_for_directive (&offset) == FAIL)
+ return;
+ }
+ else
+ offset = 0;
+
demand_empty_rest_of_line ();
if (reg == REG_SP || reg == REG_PC)
/* Record the information for later. */
unwind.fp_reg = reg;
- unwind.fp_offset = unwind.frame_size;
+ unwind.fp_offset = unwind.frame_size - offset;
unwind.sp_restored = 1;
}
static void
s_arm_eabi_attribute (int ignored ATTRIBUTE_UNUSED)
{
- expressionS exp;
- bfd_boolean is_string;
- int tag;
- unsigned int i = 0;
- char *s = NULL;
- char saved_char;
+ s_vendor_attribute (OBJ_ATTR_PROC);
+}
+#endif /* OBJ_ELF */
- expression (& exp);
- if (exp.X_op != O_constant)
- goto bad;
+static void s_arm_arch (int);
+static void s_arm_object_arch (int);
+static void s_arm_cpu (int);
+static void s_arm_fpu (int);
- tag = exp.X_add_number;
- if (tag == 4 || tag == 5 || tag == 32 || (tag > 32 && (tag & 1) != 0))
- is_string = 1;
- else
- is_string = 0;
+#ifdef TE_PE
- if (skip_past_comma (&input_line_pointer) == FAIL)
- goto bad;
- if (tag == 32 || !is_string)
- {
- expression (& exp);
- if (exp.X_op != O_constant)
- {
- as_bad (_("expected numeric constant"));
- ignore_rest_of_line ();
- return;
- }
- i = exp.X_add_number;
- }
- if (tag == Tag_compatibility
- && skip_past_comma (&input_line_pointer) == FAIL)
- {
- as_bad (_("expected comma"));
- ignore_rest_of_line ();
- return;
- }
- if (is_string)
- {
- skip_whitespace(input_line_pointer);
- if (*input_line_pointer != '"')
- goto bad_string;
- input_line_pointer++;
- s = input_line_pointer;
- while (*input_line_pointer && *input_line_pointer != '"')
- input_line_pointer++;
- if (*input_line_pointer != '"')
- goto bad_string;
- saved_char = *input_line_pointer;
- *input_line_pointer = 0;
- }
- else
- {
- s = NULL;
- saved_char = 0;
- }
-
- if (tag == Tag_compatibility)
- elf32_arm_add_eabi_attr_compat (stdoutput, i, s);
- else if (is_string)
- elf32_arm_add_eabi_attr_string (stdoutput, tag, s);
- else
- elf32_arm_add_eabi_attr_int (stdoutput, tag, i);
+static void
+pe_directive_secrel (int dummy ATTRIBUTE_UNUSED)
+{
+ expressionS exp;
- if (s)
+ do
{
- *input_line_pointer = saved_char;
- input_line_pointer++;
+ expression (&exp);
+ if (exp.X_op == O_symbol)
+ exp.X_op = O_secrel;
+
+ emit_expr (&exp, 4);
}
+ while (*input_line_pointer++ == ',');
+
+ input_line_pointer--;
demand_empty_rest_of_line ();
- return;
-bad_string:
- as_bad (_("bad string constant"));
- ignore_rest_of_line ();
- return;
-bad:
- as_bad (_("expected <tag> , <value>"));
- ignore_rest_of_line ();
}
-#endif /* OBJ_ELF */
-
-static void s_arm_arch (int);
-static void s_arm_cpu (int);
-static void s_arm_fpu (int);
+#endif /* TE_PE */
/* This table describes all the machine specific pseudo-ops the assembler
has to support. The fields are:
{ "syntax", s_syntax, 0 },
{ "cpu", s_arm_cpu, 0 },
{ "arch", s_arm_arch, 0 },
+ { "object_arch", s_arm_object_arch, 0 },
{ "fpu", s_arm_fpu, 0 },
#ifdef OBJ_ELF
{ "word", s_arm_elf_cons, 4 },
{ "personalityindex", s_arm_unwind_personalityindex, 0 },
{ "handlerdata", s_arm_unwind_handlerdata, 0 },
{ "save", s_arm_unwind_save, 0 },
+ { "vsave", s_arm_unwind_save, 1 },
{ "movsp", s_arm_unwind_movsp, 0 },
{ "pad", s_arm_unwind_pad, 0 },
{ "setfp", s_arm_unwind_setfp, 0 },
{ "eabi_attribute", s_arm_eabi_attribute, 0 },
#else
{ "word", cons, 4},
+
+ /* These are used for dwarf. */
+ {"2byte", cons, 2},
+ {"4byte", cons, 4},
+ {"8byte", cons, 8},
+ /* These are used for dwarf2. */
+ { "file", (void (*) (int)) dwarf2_directive_file, 0 },
+ { "loc", dwarf2_directive_loc, 0 },
+ { "loc_mark_labels", dwarf2_directive_loc_mark_labels, 0 },
#endif
{ "extend", float_cons, 'x' },
{ "ldouble", float_cons, 'x' },
{ "packed", float_cons, 'p' },
+#ifdef TE_PE
+ {"secrel32", pe_directive_secrel, 0},
+#endif
{ 0, 0, 0 }
};
\f
}
/* Less-generic immediate-value read function with the possibility of loading a
- big (64-bit) immediate, as required by Neon VMOV and VMVN immediate
+ big (64-bit) immediate, as required by Neon VMOV, VMVN and logic immediate
instructions. Puts the result directly in inst.operands[i]. */
static int
my_get_expression (&exp, &ptr, GE_OPT_PREFIX_BIG);
if (exp.X_op == O_constant)
- inst.operands[i].imm = exp.X_add_number;
+ {
+ inst.operands[i].imm = exp.X_add_number & 0xffffffff;
+ /* If we're on a 64-bit host, then a 64-bit number can be returned using
+ O_constant. We have to be careful not to break compilation for
+ 32-bit X_add_number, though. */
+ if ((exp.X_add_number & ~0xffffffffl) != 0)
+ {
+ /* X >> 32 is illegal if sizeof (exp.X_add_number) == 4. */
+ inst.operands[i].reg = ((exp.X_add_number >> 16) >> 16) & 0xffffffff;
+ inst.operands[i].regisimm = 1;
+ }
+ }
else if (exp.X_op == O_big
&& LITTLENUM_NUMBER_OF_BITS * exp.X_add_number > 32
&& LITTLENUM_NUMBER_OF_BITS * exp.X_add_number <= 64)
/* Parse an 8-bit "quarter-precision" floating point number of the form:
0baBbbbbbc defgh000 00000000 00000000.
- The minus-zero case needs special handling, since it can't be encoded in the
- "quarter-precision" float format, but can nonetheless be loaded as an integer
- constant. */
+ The zero and minus-zero cases need special handling, since they can't be
+ encoded in the "quarter-precision" float format, but can nonetheless be
+ loaded as integer constants. */
static unsigned
parse_qfloat_immediate (char **ccp, int *immed)
{
char *str = *ccp;
+ char *fpnum;
LITTLENUM_TYPE words[MAX_LITTLENUMS];
+ int found_fpchar = 0;
skip_past_char (&str, '#');
+ /* We must not accidentally parse an integer as a floating-point number. Make
+ sure that the value we parse is not an integer by checking for special
+ characters '.' or 'e'.
+ FIXME: This is a horrible hack, but doing better is tricky because type
+ information isn't in a very usable state at parse time. */
+ fpnum = str;
+ skip_whitespace (fpnum);
+
+ if (strncmp (fpnum, "0x", 2) == 0)
+ return FAIL;
+ else
+ {
+ for (; *fpnum != '\0' && *fpnum != ' ' && *fpnum != '\n'; fpnum++)
+ if (*fpnum == '.' || *fpnum == 'e' || *fpnum == 'E')
+ {
+ found_fpchar = 1;
+ break;
+ }
+
+ if (!found_fpchar)
+ return FAIL;
+ }
+
if ((str = atof_ieee (str, 's', words)) != NULL)
{
unsigned fpword = 0;
fpword |= words[i];
}
- if (is_quarter_float (fpword) || fpword == 0x80000000)
+ if (is_quarter_float (fpword) || (fpword & 0x7fffffff) == 0)
*immed = fpword;
else
return FAIL;
Case 3: VMOV<c><q>.<dt> <Dd>, #<float-imm>
Case 10: VMOV.F32 <Sd>, #<imm>
Case 11: VMOV.F64 <Dd>, #<imm> */
- ;
+ inst.operands[i].immisfloat = 1;
else if (parse_big_immediate (&ptr, i) == SUCCESS)
/* Case 2: VMOV<c><q>.<dt> <Qd>, #<imm>
Case 3: VMOV<c><q>.<dt> <Dd>, #<imm> */
OP_VMOV, /* Neon VMOV operands. */
OP_RNDQ_IMVNb,/* Neon D or Q reg, or immediate good for VMVN. */
OP_RNDQ_I63b, /* Neon D or Q reg, or immediate for shift. */
+ OP_RIWR_I32z, /* iWMMXt wR register, or immediate 0 .. 32 for iWMMXt2. */
OP_I0, /* immediate zero */
OP_I7, /* immediate value 0 .. 7 */
OP_RR_EXi, /* ARM register or expression with imm prefix */
OP_RF_IF, /* FPA register or immediate */
OP_RIWR_RIWC, /* iWMMXt R or C reg */
+ OP_RIWC_RIWG, /* iWMMXt wC or wCG reg */
/* Optional operands. */
OP_oI7b, /* immediate, prefix optional, 0 .. 7 */
OP_oRR, /* ARM register */
OP_oRRnpc, /* ARM register, not the PC */
+ OP_oRRw, /* ARM register, not r15, optional trailing ! */
OP_oRND, /* Optional Neon double precision register */
OP_oRNQ, /* Optional Neon quad precision register */
OP_oRNDQ, /* Optional Neon double or quad precision register */
backtrack_index = i;
}
- if (i > 0)
+ if (i > 0 && (i > 1 || inst.operands[0].present))
po_char_or_fail (',');
switch (upat[i])
case OP_RVD: po_reg_or_fail (REG_TYPE_VFD); break;
case OP_oRND:
case OP_RND: po_reg_or_fail (REG_TYPE_VFD); break;
- case OP_RVC: po_reg_or_fail (REG_TYPE_VFC); break;
+ case OP_RVC:
+ po_reg_or_goto (REG_TYPE_VFC, coproc_reg);
+ break;
+ /* Also accept generic coprocessor regs for unknown registers. */
+ coproc_reg:
+ po_reg_or_fail (REG_TYPE_CN);
+ break;
case OP_RMF: po_reg_or_fail (REG_TYPE_MVF); break;
case OP_RMD: po_reg_or_fail (REG_TYPE_MVD); break;
case OP_RMFX: po_reg_or_fail (REG_TYPE_MVFX); break;
case OP_NILO:
{
po_reg_or_goto (REG_TYPE_NDQ, try_imm);
+ inst.operands[i].present = 1;
i++;
skip_past_comma (&str);
po_reg_or_goto (REG_TYPE_NDQ, one_reg_only);
inst.operands[i-1].present = 0;
break;
try_imm:
- /* Immediate gets verified properly later, so accept any now. */
- po_imm_or_fail (INT_MIN, INT_MAX, TRUE);
+ /* There's a possibility of getting a 64-bit immediate here, so
+ we need special handling. */
+ if (parse_big_immediate (&str, i) == FAIL)
+ {
+ inst.error = _("immediate value is out of range");
+ goto failure;
+ }
}
break;
break;
case OP_RRw:
+ case OP_oRRw:
po_reg_or_fail (REG_TYPE_RN);
if (skip_past_char (&str, '!') == SUCCESS)
inst.operands[i].writeback = 1;
inst.operands[i].isreg = 1;
break;
+ case OP_RIWR_I32z: po_reg_or_goto (REG_TYPE_MMXWR, I32z); break;
+ I32z: po_imm_or_fail (0, 32, FALSE); break;
+
/* Two kinds of register */
case OP_RIWR_RIWC:
{
struct reg_entry *rege = arm_reg_parse_multi (&str);
- if (rege->type != REG_TYPE_MMXWR
- && rege->type != REG_TYPE_MMXWC
- && rege->type != REG_TYPE_MMXWCG)
+ if (!rege
+ || (rege->type != REG_TYPE_MMXWR
+ && rege->type != REG_TYPE_MMXWC
+ && rege->type != REG_TYPE_MMXWCG))
{
inst.error = _("iWMMXt data or control register expected");
goto failure;
}
break;
+ case OP_RIWC_RIWG:
+ {
+ struct reg_entry *rege = arm_reg_parse_multi (&str);
+ if (!rege
+ || (rege->type != REG_TYPE_MMXWC
+ && rege->type != REG_TYPE_MMXWCG))
+ {
+ inst.error = _("iWMMXt control register expected");
+ goto failure;
+ }
+ inst.operands[i].reg = rege->number;
+ inst.operands[i].isreg = 1;
+ }
+ break;
+
/* Misc */
case OP_CPSF: val = parse_cps_flags (&str); break;
case OP_ENDI: val = parse_endian_specifier (&str); break;
break;
default:
- as_fatal ("unhandled operand code %d", upat[i]);
+ as_fatal (_("unhandled operand code %d"), upat[i]);
}
/* Various value-based sanity checks and shared operations. We
case OP_RRnpc:
case OP_RRnpcb:
case OP_RRw:
+ case OP_oRRw:
case OP_RRnpc_I0:
if (inst.operands[i].isreg && inst.operands[i].reg == REG_PC)
inst.error = BAD_PC;
{
constraint ((inst.instruction & 0xf0) != 0x40
&& inst.operands[0].imm != 0xf,
- "bad barrier type");
+ _("bad barrier type"));
inst.instruction |= inst.operands[0].imm;
}
else
do_cpsi (void)
{
inst.instruction |= inst.operands[0].imm << 6;
- inst.instruction |= inst.operands[1].imm;
+ if (inst.operands[1].present)
+ {
+ inst.instruction |= CPSI_MMOD;
+ inst.instruction |= inst.operands[1].imm;
+ }
}
static void
reject [Rn,...]. */
if (inst.operands[1].preind)
{
- constraint (inst.reloc.exp.X_op != O_constant ||
- inst.reloc.exp.X_add_number != 0,
+ constraint (inst.reloc.exp.X_op != O_constant
+ || inst.reloc.exp.X_add_number != 0,
_("this instruction requires a post-indexed address"));
inst.operands[1].preind = 0;
reject [Rn,...]. */
if (inst.operands[1].preind)
{
- constraint (inst.reloc.exp.X_op != O_constant ||
- inst.reloc.exp.X_add_number != 0,
+ constraint (inst.reloc.exp.X_op != O_constant
+ || inst.reloc.exp.X_add_number != 0,
_("this instruction requires a post-indexed address"));
inst.operands[1].preind = 0;
static void
do_mlas (void)
{
- /* This restriction does not apply to mls (nor to mla in v6, but
- that's hard to detect at present). */
+ /* This restriction does not apply to mls (nor to mla in v6 or later). */
if (inst.operands[0].reg == inst.operands[1].reg
+ && !ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v6)
&& !(inst.instruction & 0x00400000))
- as_tsktsk (_("rd and rm should be different in mla"));
+ as_tsktsk (_("Rd and Rm should be different in mla"));
inst.instruction |= inst.operands[0].reg << 16;
inst.instruction |= inst.operands[1].reg;
inst.instruction |= inst.operands[2].reg << 8;
inst.instruction |= inst.operands[3].reg << 12;
-
}
static void
inst.instruction |= inst.operands[1].reg;
inst.instruction |= inst.operands[2].reg << 8;
- if (inst.operands[0].reg == inst.operands[1].reg)
- as_tsktsk (_("rd and rm should be different in mul"));
+ if (inst.operands[0].reg == inst.operands[1].reg
+ && !ARM_CPU_HAS_FEATURE (selected_cpu, arm_ext_v6))
+ as_tsktsk (_("Rd and Rm should be different in mul"));
}
/* Long Multiply Parser
inst.instruction |= inst.operands[2].reg << 8;
}
-/* ARM V6 srs (argument parse). */
+/* ARM V6 srs (argument parse). The variable fields in the encoding are
+ the same for both ARM and Thumb-2. */
static void
do_srs (void)
{
- inst.instruction |= inst.operands[0].imm;
- if (inst.operands[0].writeback)
+ int reg;
+
+ if (inst.operands[0].present)
+ {
+ reg = inst.operands[0].reg;
+ constraint (reg != 13, _("SRS base register must be r13"));
+ }
+ else
+ reg = 13;
+
+ inst.instruction |= reg << 16;
+ inst.instruction |= inst.operands[1].imm;
+ if (inst.operands[0].writeback || inst.operands[1].writeback)
inst.instruction |= WRITE_BACK;
}
do_vfp_sp_const (void)
{
encode_arm_vfp_reg (inst.operands[0].reg, VFP_REG_Sd);
- inst.instruction |= (inst.operands[1].imm & 15) << 16;
- inst.instruction |= (inst.operands[1].imm >> 4);
+ inst.instruction |= (inst.operands[1].imm & 0xf0) << 12;
+ inst.instruction |= (inst.operands[1].imm & 0x0f);
}
static void
do_vfp_dp_const (void)
{
encode_arm_vfp_reg (inst.operands[0].reg, VFP_REG_Dd);
- inst.instruction |= (inst.operands[1].imm & 15) << 16;
- inst.instruction |= (inst.operands[1].imm >> 4);
+ inst.instruction |= (inst.operands[1].imm & 0xf0) << 12;
+ inst.instruction |= (inst.operands[1].imm & 0x0f);
}
static void
inst.instruction |= inst.operands[3].imm << 20;
}
+static void
+do_iwmmxt_wmerge (void)
+{
+ inst.instruction |= inst.operands[0].reg << 12;
+ inst.instruction |= inst.operands[1].reg << 16;
+ inst.instruction |= inst.operands[2].reg;
+ inst.instruction |= inst.operands[3].imm << 21;
+}
+
static void
do_iwmmxt_wmov (void)
{
do_iwmmxt_wldstd (void)
{
inst.instruction |= inst.operands[0].reg << 12;
- encode_arm_cp_address (1, TRUE, FALSE, 0);
+ if (ARM_CPU_HAS_FEATURE (cpu_variant, arm_cext_iwmmxt2)
+ && inst.operands[1].immisreg)
+ {
+ inst.instruction &= ~0x1a000ff;
+ inst.instruction |= (0xf << 28);
+ if (inst.operands[1].preind)
+ inst.instruction |= PRE_INDEX;
+ if (!inst.operands[1].negative)
+ inst.instruction |= INDEX_UP;
+ if (inst.operands[1].writeback)
+ inst.instruction |= WRITE_BACK;
+ inst.instruction |= inst.operands[1].reg << 16;
+ inst.instruction |= inst.reloc.exp.X_add_number << 4;
+ inst.instruction |= inst.operands[1].imm;
+ }
+ else
+ encode_arm_cp_address (1, TRUE, FALSE, 0);
}
static void
inst.instruction |= inst.operands[0].reg << 12;
inst.instruction |= inst.operands[0].reg << 16;
}
+
+static void
+do_iwmmxt_wrwrwr_or_imm5 (void)
+{
+ if (inst.operands[2].isreg)
+ do_rd_rn_rm ();
+ else {
+ constraint (!ARM_CPU_HAS_FEATURE (cpu_variant, arm_cext_iwmmxt2),
+ _("immediate operand requires iWMMXt2"));
+ do_rd_rn ();
+ if (inst.operands[2].imm == 0)
+ {
+ switch ((inst.instruction >> 20) & 0xf)
+ {
+ case 4:
+ case 5:
+ case 6:
+ case 7:
+ /* w...h wrd, wrn, #0 -> wrorh wrd, wrn, #16. */
+ inst.operands[2].imm = 16;
+ inst.instruction = (inst.instruction & 0xff0fffff) | (0x7 << 20);
+ break;
+ case 8:
+ case 9:
+ case 10:
+ case 11:
+ /* w...w wrd, wrn, #0 -> wrorw wrd, wrn, #32. */
+ inst.operands[2].imm = 32;
+ inst.instruction = (inst.instruction & 0xff0fffff) | (0xb << 20);
+ break;
+ case 12:
+ case 13:
+ case 14:
+ case 15:
+ {
+ /* w...d wrd, wrn, #0 -> wor wrd, wrn, wrn. */
+ unsigned long wrn;
+ wrn = (inst.instruction >> 16) & 0xf;
+ inst.instruction &= 0xff0fff0f;
+ inst.instruction |= wrn;
+ /* Bail out here; the instruction is now assembled. */
+ return;
+ }
+ }
+ }
+ /* Map 32 -> 0, etc. */
+ inst.operands[2].imm &= 0x1f;
+ inst.instruction |= (0xf << 28) | ((inst.operands[2].imm & 0x10) << 4) | (inst.operands[2].imm & 0xf);
+ }
+}
\f
/* Cirrus Maverick instructions. Simple 2-, 3-, and 4-register
operations first, then control, shift, and load/store. */
X(cpsie, b660, f3af8400), \
X(cpsid, b670, f3af8600), \
X(cpy, 4600, ea4f0000), \
- X(dec_sp,80dd, f1bd0d00), \
+ X(dec_sp,80dd, f1ad0d00), \
X(eor, 4040, ea800000), \
X(eors, 4040, ea900000), \
X(inc_sp,00dd, f10d0d00), \
narrow = (current_it_mask != 0);
if (!inst.operands[2].isreg)
{
+ int add;
+
+ add = (inst.instruction == T_MNEM_add
+ || inst.instruction == T_MNEM_adds);
opcode = 0;
if (inst.size_req != 4)
{
- int add;
-
- add = (inst.instruction == T_MNEM_add
- || inst.instruction == T_MNEM_adds);
/* Attempt to use a narrow opcode, with relaxation if
appropriate. */
if (Rd == REG_SP && Rs == REG_SP && !flags)
if (inst.size_req == 4
|| (inst.size_req != 2 && !opcode))
{
- /* ??? Convert large immediates to addw/subw. */
- inst.instruction = THUMB_OP32 (inst.instruction);
- inst.instruction = (inst.instruction & 0xe1ffffff) | 0x10000000;
- inst.instruction |= inst.operands[0].reg << 8;
- inst.instruction |= inst.operands[1].reg << 16;
- inst.reloc.type = BFD_RELOC_ARM_T32_IMMEDIATE;
+ if (Rd == REG_PC)
+ {
+ constraint (Rs != REG_LR || inst.instruction != T_MNEM_subs,
+ _("only SUBS PC, LR, #const allowed"));
+ constraint (inst.reloc.exp.X_op != O_constant,
+ _("expression too complex"));
+ constraint (inst.reloc.exp.X_add_number < 0
+ || inst.reloc.exp.X_add_number > 0xff,
+ _("immediate value out of range"));
+ inst.instruction = T2_SUBS_PC_LR
+ | inst.reloc.exp.X_add_number;
+ inst.reloc.type = BFD_RELOC_UNUSED;
+ return;
+ }
+ else if (Rs == REG_PC)
+ {
+ /* Always use addw/subw. */
+ inst.instruction = add ? 0xf20f0000 : 0xf2af0000;
+ inst.reloc.type = BFD_RELOC_ARM_T32_IMM12;
+ }
+ else
+ {
+ inst.instruction = THUMB_OP32 (inst.instruction);
+ inst.instruction = (inst.instruction & 0xe1ffffff)
+ | 0x10000000;
+ if (flags)
+ inst.reloc.type = BFD_RELOC_ARM_T32_IMMEDIATE;
+ else
+ inst.reloc.type = BFD_RELOC_ARM_T32_ADD_IMM;
+ }
+ inst.instruction |= Rd << 8;
+ inst.instruction |= Rs << 16;
}
}
else
{
constraint ((inst.instruction & 0xf0) != 0x40
&& inst.operands[0].imm != 0xf,
- "bad barrier type");
+ _("bad barrier type"));
inst.instruction |= inst.operands[0].imm;
}
else
}
static void
-do_t_czb (void)
+do_t_cbz (void)
{
constraint (current_it_mask, BAD_NOT_IT);
constraint (inst.operands[0].reg > 7, BAD_HIREG);
inst.instruction |= cond << 4;
}
+/* Helper function used for both push/pop and ldm/stm. */
+static void
+encode_thumb2_ldmstm (int base, unsigned mask, bfd_boolean writeback)
+{
+ bfd_boolean load;
+
+ load = (inst.instruction & (1 << 20)) != 0;
+
+ if (mask & (1 << 13))
+ inst.error = _("SP not allowed in register list");
+ if (load)
+ {
+ if (mask & (1 << 14)
+ && mask & (1 << 15))
+ inst.error = _("LR and PC should not both be in register list");
+
+ if ((mask & (1 << base)) != 0
+ && writeback)
+ as_warn (_("base register should not be in register list "
+ "when written back"));
+ }
+ else
+ {
+ if (mask & (1 << 15))
+ inst.error = _("PC not allowed in register list");
+
+ if (mask & (1 << base))
+ as_warn (_("value stored for r%d is UNPREDICTABLE"), base);
+ }
+
+ if ((mask & (mask - 1)) == 0)
+ {
+ /* Single register transfers implemented as str/ldr. */
+ if (writeback)
+ {
+ if (inst.instruction & (1 << 23))
+ inst.instruction = 0x00000b04; /* ia! -> [base], #4 */
+ else
+ inst.instruction = 0x00000d04; /* db! -> [base, #-4]! */
+ }
+ else
+ {
+ if (inst.instruction & (1 << 23))
+ inst.instruction = 0x00800000; /* ia -> [base] */
+ else
+ inst.instruction = 0x00000c04; /* db -> [base, #-4] */
+ }
+
+ inst.instruction |= 0xf8400000;
+ if (load)
+ inst.instruction |= 0x00100000;
+
+ mask = ffs(mask) - 1;
+ mask <<= 12;
+ }
+ else if (writeback)
+ inst.instruction |= WRITE_BACK;
+
+ inst.instruction |= mask;
+ inst.instruction |= base << 16;
+}
+
static void
do_t_ldmstm (void)
{
if (unified_syntax)
{
+ bfd_boolean narrow;
+ unsigned mask;
+
+ narrow = FALSE;
/* See if we can use a 16-bit instruction. */
if (inst.instruction < 0xffff /* not ldmdb/stmdb */
&& inst.size_req != 4
- && inst.operands[0].reg <= 7
- && !(inst.operands[1].imm & ~0xff)
- && (inst.instruction == T_MNEM_stmia
- ? inst.operands[0].writeback
- : (inst.operands[0].writeback
- == !(inst.operands[1].imm & (1 << inst.operands[0].reg)))))
+ && !(inst.operands[1].imm & ~0xff))
{
- if (inst.instruction == T_MNEM_stmia
- && (inst.operands[1].imm & (1 << inst.operands[0].reg))
- && (inst.operands[1].imm & ((1 << inst.operands[0].reg) - 1)))
- as_warn (_("value stored for r%d is UNPREDICTABLE"),
- inst.operands[0].reg);
+ mask = 1 << inst.operands[0].reg;
- inst.instruction = THUMB_OP16 (inst.instruction);
- inst.instruction |= inst.operands[0].reg << 8;
- inst.instruction |= inst.operands[1].imm;
- }
- else
- {
- if (inst.operands[1].imm & (1 << 13))
- as_warn (_("SP should not be in register list"));
- if (inst.instruction == T_MNEM_stmia)
+ if (inst.operands[0].reg <= 7
+ && (inst.instruction == T_MNEM_stmia
+ ? inst.operands[0].writeback
+ : (inst.operands[0].writeback
+ == !(inst.operands[1].imm & mask))))
{
- if (inst.operands[1].imm & (1 << 15))
- as_warn (_("PC should not be in register list"));
- if (inst.operands[1].imm & (1 << inst.operands[0].reg))
+ if (inst.instruction == T_MNEM_stmia
+ && (inst.operands[1].imm & mask)
+ && (inst.operands[1].imm & (mask - 1)))
as_warn (_("value stored for r%d is UNPREDICTABLE"),
inst.operands[0].reg);
+
+ inst.instruction = THUMB_OP16 (inst.instruction);
+ inst.instruction |= inst.operands[0].reg << 8;
+ inst.instruction |= inst.operands[1].imm;
+ narrow = TRUE;
}
- else
+ else if (inst.operands[0] .reg == REG_SP
+ && inst.operands[0].writeback)
{
- if (inst.operands[1].imm & (1 << 14)
- && inst.operands[1].imm & (1 << 15))
- as_warn (_("LR and PC should not both be in register list"));
- if ((inst.operands[1].imm & (1 << inst.operands[0].reg))
- && inst.operands[0].writeback)
- as_warn (_("base register should not be in register list "
- "when written back"));
+ inst.instruction = THUMB_OP16 (inst.instruction == T_MNEM_stmia
+ ? T_MNEM_push : T_MNEM_pop);
+ inst.instruction |= inst.operands[1].imm;
+ narrow = TRUE;
}
+ }
+
+ if (!narrow)
+ {
if (inst.instruction < 0xffff)
inst.instruction = THUMB_OP32 (inst.instruction);
- inst.instruction |= inst.operands[0].reg << 16;
- inst.instruction |= inst.operands[1].imm;
- if (inst.operands[0].writeback)
- inst.instruction |= WRITE_BACK;
+
+ encode_thumb2_ldmstm(inst.operands[0].reg, inst.operands[1].imm,
+ inst.operands[0].writeback);
}
}
else
{
constraint (inst.operands[0].reg > 7
|| (inst.operands[1].imm & ~0xff), BAD_HIREG);
+ constraint (inst.instruction != T_MNEM_ldmia
+ && inst.instruction != T_MNEM_stmia,
+ _("Thumb-2 instruction only valid in unified syntax"));
if (inst.instruction == T_MNEM_stmia)
{
if (!inst.operands[0].writeback)
|| inst.operands[1].shifted)
narrow = FALSE;
+ /* MOVS PC, LR is encoded as SUBS PC, LR, #0. */
+ if (opcode == T_MNEM_movs && inst.operands[1].isreg
+ && !inst.operands[1].shifted
+ && inst.operands[0].reg == REG_PC
+ && inst.operands[1].reg == REG_LR)
+ {
+ inst.instruction = T2_SUBS_PC_LR;
+ return;
+ }
+
if (!inst.operands[1].isreg)
{
/* Immediate operand. */
inst.reloc.type = BFD_RELOC_ARM_T32_IMMEDIATE;
}
}
+ else if (inst.operands[1].shifted && inst.operands[1].immisreg
+ && (inst.instruction == T_MNEM_mov
+ || inst.instruction == T_MNEM_movs))
+ {
+ /* Register shifts are encoded as separate shift instructions. */
+ bfd_boolean flags = (inst.instruction == T_MNEM_movs);
+
+ if (current_it_mask)
+ narrow = !flags;
+ else
+ narrow = flags;
+
+ if (inst.size_req == 4)
+ narrow = FALSE;
+
+ if (!low_regs || inst.operands[1].imm > 7)
+ narrow = FALSE;
+
+ if (inst.operands[0].reg != inst.operands[1].reg)
+ narrow = FALSE;
+
+ switch (inst.operands[1].shift_kind)
+ {
+ case SHIFT_LSL:
+ opcode = narrow ? T_OPCODE_LSL_R : THUMB_OP32 (T_MNEM_lsl);
+ break;
+ case SHIFT_ASR:
+ opcode = narrow ? T_OPCODE_ASR_R : THUMB_OP32 (T_MNEM_asr);
+ break;
+ case SHIFT_LSR:
+ opcode = narrow ? T_OPCODE_LSR_R : THUMB_OP32 (T_MNEM_lsr);
+ break;
+ case SHIFT_ROR:
+ opcode = narrow ? T_OPCODE_ROR_R : THUMB_OP32 (T_MNEM_ror);
+ break;
+ default:
+ abort();
+ }
+
+ inst.instruction = opcode;
+ if (narrow)
+ {
+ inst.instruction |= inst.operands[0].reg;
+ inst.instruction |= inst.operands[1].imm << 3;
+ }
+ else
+ {
+ if (flags)
+ inst.instruction |= CONDS_BIT;
+
+ inst.instruction |= inst.operands[0].reg << 8;
+ inst.instruction |= inst.operands[1].reg << 16;
+ inst.instruction |= inst.operands[1].imm;
+ }
+ }
else if (!narrow)
{
- inst.instruction = THUMB_OP32 (inst.instruction);
- inst.instruction |= inst.operands[0].reg << r0off;
- encode_thumb32_shifted_operand (1);
+ /* Some mov with immediate shift have narrow variants.
+ Register shifts are handled above. */
+ if (low_regs && inst.operands[1].shifted
+ && (inst.instruction == T_MNEM_mov
+ || inst.instruction == T_MNEM_movs))
+ {
+ if (current_it_mask)
+ narrow = (inst.instruction == T_MNEM_mov);
+ else
+ narrow = (inst.instruction == T_MNEM_movs);
+ }
+
+ if (narrow)
+ {
+ switch (inst.operands[1].shift_kind)
+ {
+ case SHIFT_LSL: inst.instruction = T_OPCODE_LSL_I; break;
+ case SHIFT_LSR: inst.instruction = T_OPCODE_LSR_I; break;
+ case SHIFT_ASR: inst.instruction = T_OPCODE_ASR_I; break;
+ default: narrow = FALSE; break;
+ }
+ }
+
+ if (narrow)
+ {
+ inst.instruction |= inst.operands[0].reg;
+ inst.instruction |= inst.operands[1].reg << 3;
+ inst.reloc.type = BFD_RELOC_ARM_THUMB_SHIFT;
+ }
+ else
+ {
+ inst.instruction = THUMB_OP32 (inst.instruction);
+ inst.instruction |= inst.operands[0].reg << r0off;
+ encode_thumb32_shifted_operand (1);
+ }
}
else
switch (inst.instruction)
mask = inst.operands[0].imm;
if ((mask & ~0xff) == 0)
- inst.instruction = THUMB_OP16 (inst.instruction);
+ inst.instruction = THUMB_OP16 (inst.instruction) | mask;
else if ((inst.instruction == T_MNEM_push
&& (mask & ~0xff) == 1 << REG_LR)
|| (inst.instruction == T_MNEM_pop
{
inst.instruction = THUMB_OP16 (inst.instruction);
inst.instruction |= THUMB_PP_PC_LR;
- mask &= 0xff;
+ inst.instruction |= mask & 0xff;
}
else if (unified_syntax)
{
- if (mask & (1 << 13))
- inst.error = _("SP not allowed in register list");
- if (inst.instruction == T_MNEM_push)
- {
- if (mask & (1 << 15))
- inst.error = _("PC not allowed in register list");
- }
- else
- {
- if (mask & (1 << 14)
- && mask & (1 << 15))
- inst.error = _("LR and PC should not both be in register list");
- }
- if ((mask & (mask - 1)) == 0)
- {
- /* Single register push/pop implemented as str/ldr. */
- if (inst.instruction == T_MNEM_push)
- inst.instruction = 0xf84d0d04; /* str reg, [sp, #-4]! */
- else
- inst.instruction = 0xf85d0b04; /* ldr reg, [sp], #4 */
- mask = ffs(mask) - 1;
- mask <<= 12;
- }
- else
- inst.instruction = THUMB_OP32 (inst.instruction);
+ inst.instruction = THUMB_OP32 (inst.instruction);
+ encode_thumb2_ldmstm(13, mask, TRUE);
}
else
{
inst.error = _("invalid register list to push/pop instruction");
return;
}
-
- inst.instruction |= mask;
}
static void
inst.instruction |= Rs << 16;
if (!inst.operands[2].isreg)
{
- inst.instruction = (inst.instruction & 0xe1ffffff) | 0x10000000;
- inst.reloc.type = BFD_RELOC_ARM_T32_IMMEDIATE;
+ bfd_boolean narrow;
+
+ if ((inst.instruction & 0x00100000) != 0)
+ narrow = (current_it_mask == 0);
+ else
+ narrow = (current_it_mask != 0);
+
+ if (Rd > 7 || Rs > 7)
+ narrow = FALSE;
+
+ if (inst.size_req == 4 || !unified_syntax)
+ narrow = FALSE;
+
+ if (inst.reloc.exp.X_op != O_constant
+ || inst.reloc.exp.X_add_number != 0)
+ narrow = FALSE;
+
+ /* Turn rsb #0 into 16-bit neg. We should probably do this via
+ relaxation, but it doesn't seem worth the hassle. */
+ if (narrow)
+ {
+ inst.reloc.type = BFD_RELOC_UNUSED;
+ inst.instruction = THUMB_OP16 (T_MNEM_negs);
+ inst.instruction |= Rs << 3;
+ inst.instruction |= Rd;
+ }
+ else
+ {
+ inst.instruction = (inst.instruction & 0xe1ffffff) | 0x10000000;
+ inst.reloc.type = BFD_RELOC_ARM_T32_IMMEDIATE;
+ }
}
else
encode_thumb32_shifted_operand (2);
X(vcgt, 0x0000300, 0x1200e00, 0x1b10000), \
/* Register variants of the following two instructions are encoded as
vcge / vcgt with the operands reversed. */ \
- X(vclt, 0x0000310, 0x1000e00, 0x1b10200), \
- X(vcle, 0x0000300, 0x1200e00, 0x1b10180), \
+ X(vclt, 0x0000300, 0x1200e00, 0x1b10200), \
+ X(vcle, 0x0000310, 0x1000e00, 0x1b10180), \
X(vmla, 0x0000900, 0x0000d10, 0x0800040), \
X(vmls, 0x1000900, 0x0200d10, 0x0800440), \
X(vmul, 0x0000910, 0x1000d10, 0x0800840), \
{
nsyn_insert_sp ();
if (inst.operands[1].issingle)
- do_vfp_nsyn_opcode ("fldmdbs");
+ do_vfp_nsyn_opcode ("fldmias");
else
- do_vfp_nsyn_opcode ("fldmdbd");
+ do_vfp_nsyn_opcode ("fldmiad");
}
/* Fix up Neon data-processing instructions, ORing in the correct bits for
enum neon_shape rs = neon_select_shape (NS_DDD, NS_QQQ, NS_NULL);
struct neon_type_el et = neon_check_type (3, rs,
N_EQK, N_SU_ALL | N_KEY, N_EQK | N_SGN);
+ unsigned int tmp;
+
+ /* VSHL/VQSHL 3-register variants have syntax such as:
+ vshl.xx Dd, Dm, Dn
+ whereas other 3-register operations encoded by neon_three_same have
+ syntax like:
+ vadd.xx Dd, Dn, Dm
+ (i.e. with Dn & Dm reversed). Swap operands[1].reg and operands[2].reg
+ here. */
+ tmp = inst.operands[2].reg;
+ inst.operands[2].reg = inst.operands[1].reg;
+ inst.operands[1].reg = tmp;
inst.instruction = NEON_ENC_INTEGER (inst.instruction);
neon_three_same (neon_quad (rs), et.type == NT_unsigned, et.size);
}
{
enum neon_shape rs = neon_select_shape (NS_DDI, NS_QQI, NS_NULL);
struct neon_type_el et = neon_check_type (2, rs, N_EQK, N_SU_ALL | N_KEY);
+
inst.instruction = NEON_ENC_IMMED (inst.instruction);
neon_imm_shift (TRUE, et.type == NT_unsigned, neon_quad (rs), et,
inst.operands[2].imm);
enum neon_shape rs = neon_select_shape (NS_DDD, NS_QQQ, NS_NULL);
struct neon_type_el et = neon_check_type (3, rs,
N_EQK, N_SU_ALL | N_KEY, N_EQK | N_SGN);
+ unsigned int tmp;
+
+ /* See note in do_neon_shl_imm. */
+ tmp = inst.operands[2].reg;
+ inst.operands[2].reg = inst.operands[1].reg;
+ inst.operands[1].reg = tmp;
inst.instruction = NEON_ENC_INTEGER (inst.instruction);
neon_three_same (neon_quad (rs), et.type == NT_unsigned, et.size);
}
}
+static void
+do_neon_rshl (void)
+{
+ enum neon_shape rs = neon_select_shape (NS_DDD, NS_QQQ, NS_NULL);
+ struct neon_type_el et = neon_check_type (3, rs,
+ N_EQK, N_EQK, N_SU_ALL | N_KEY);
+ unsigned int tmp;
+
+ tmp = inst.operands[2].reg;
+ inst.operands[2].reg = inst.operands[1].reg;
+ inst.operands[1].reg = tmp;
+ neon_three_same (neon_quad (rs), et.type == NT_unsigned, et.size);
+}
+
static int
neon_cmode_for_logic_imm (unsigned immediate, unsigned *immbits, int size)
{
- /* Handle .I8 and .I64 as pseudo-instructions. */
- switch (size)
+ /* Handle .I8 pseudo-instructions. */
+ if (size == 8)
{
- case 8:
/* Unfortunately, this will make everything apart from zero out-of-range.
FIXME is this the intended semantics? There doesn't seem much point in
accepting .I8 if so. */
immediate |= immediate << 8;
size = 16;
- break;
- case 64:
- /* Similarly, anything other than zero will be replicated in bits [63:32],
- which probably isn't want we want if we specified .I64. */
- if (immediate != 0)
- goto bad_immediate;
- size = 32;
- break;
- default: ;
+ }
+
+ if (size >= 32)
+ {
+ if (immediate == (immediate & 0x000000ff))
+ {
+ *immbits = immediate;
+ return 0x1;
+ }
+ else if (immediate == (immediate & 0x0000ff00))
+ {
+ *immbits = immediate >> 8;
+ return 0x3;
+ }
+ else if (immediate == (immediate & 0x00ff0000))
+ {
+ *immbits = immediate >> 16;
+ return 0x5;
+ }
+ else if (immediate == (immediate & 0xff000000))
+ {
+ *immbits = immediate >> 24;
+ return 0x7;
+ }
+ if ((immediate & 0xffff) != (immediate >> 16))
+ goto bad_immediate;
+ immediate &= 0xffff;
}
if (immediate == (immediate & 0x000000ff))
{
*immbits = immediate;
- return (size == 16) ? 0x9 : 0x1;
+ return 0x9;
}
else if (immediate == (immediate & 0x0000ff00))
{
*immbits = immediate >> 8;
- return (size == 16) ? 0xb : 0x3;
- }
- else if (immediate == (immediate & 0x00ff0000))
- {
- *immbits = immediate >> 16;
- return 0x5;
- }
- else if (immediate == (immediate & 0xff000000))
- {
- *immbits = immediate >> 24;
- return 0x7;
+ return 0xb;
}
bad_immediate:
the instruction. *OP is passed as the initial value of the op field, and
may be set to a different value depending on the constant (i.e.
"MOV I64, 0bAAAAAAAABBBB..." which uses OP = 1 despite being MOV not
- MVN). */
+ MVN). If the immediate looks like a repeated parttern then also
+ try smaller element sizes. */
static int
-neon_cmode_for_move_imm (unsigned immlo, unsigned immhi, unsigned *immbits,
- int *op, int size, enum neon_el_type type)
+neon_cmode_for_move_imm (unsigned immlo, unsigned immhi, int float_p,
+ unsigned *immbits, int *op, int size,
+ enum neon_el_type type)
{
+ /* Only permit float immediates (including 0.0/-0.0) if the operand type is
+ float. */
+ if (type == NT_float && !float_p)
+ return FAIL;
+
if (type == NT_float && is_quarter_float (immlo) && immhi == 0)
{
if (size != 32 || *op == 1)
*immbits = neon_qfloat_bits (immlo);
return 0xf;
}
- else if (size == 64 && neon_bits_same_in_bytes (immhi)
- && neon_bits_same_in_bytes (immlo))
- {
- /* Check this one first so we don't have to bother with immhi in later
- tests. */
- if (*op == 1)
- return FAIL;
- *immbits = (neon_squash_bits (immhi) << 4) | neon_squash_bits (immlo);
- *op = 1;
- return 0xe;
- }
- else if (immhi != 0)
- return FAIL;
- else if (immlo == (immlo & 0x000000ff))
- {
- /* 64-bit case was already handled. Don't allow MVN with 8-bit
- immediate. */
- if ((size != 8 && size != 16 && size != 32)
- || (size == 8 && *op == 1))
- return FAIL;
- *immbits = immlo;
- return (size == 8) ? 0xe : (size == 16) ? 0x8 : 0x0;
- }
- else if (immlo == (immlo & 0x0000ff00))
- {
- if (size != 16 && size != 32)
- return FAIL;
- *immbits = immlo >> 8;
- return (size == 16) ? 0xa : 0x2;
- }
- else if (immlo == (immlo & 0x00ff0000))
+
+ if (size == 64)
{
- if (size != 32)
- return FAIL;
- *immbits = immlo >> 16;
- return 0x4;
+ if (neon_bits_same_in_bytes (immhi)
+ && neon_bits_same_in_bytes (immlo))
+ {
+ if (*op == 1)
+ return FAIL;
+ *immbits = (neon_squash_bits (immhi) << 4)
+ | neon_squash_bits (immlo);
+ *op = 1;
+ return 0xe;
+ }
+
+ if (immhi != immlo)
+ return FAIL;
}
- else if (immlo == (immlo & 0xff000000))
+
+ if (size >= 32)
{
- if (size != 32)
- return FAIL;
- *immbits = immlo >> 24;
- return 0x6;
+ if (immlo == (immlo & 0x000000ff))
+ {
+ *immbits = immlo;
+ return 0x0;
+ }
+ else if (immlo == (immlo & 0x0000ff00))
+ {
+ *immbits = immlo >> 8;
+ return 0x2;
+ }
+ else if (immlo == (immlo & 0x00ff0000))
+ {
+ *immbits = immlo >> 16;
+ return 0x4;
+ }
+ else if (immlo == (immlo & 0xff000000))
+ {
+ *immbits = immlo >> 24;
+ return 0x6;
+ }
+ else if (immlo == ((immlo & 0x0000ff00) | 0x000000ff))
+ {
+ *immbits = (immlo >> 8) & 0xff;
+ return 0xc;
+ }
+ else if (immlo == ((immlo & 0x00ff0000) | 0x0000ffff))
+ {
+ *immbits = (immlo >> 16) & 0xff;
+ return 0xd;
+ }
+
+ if ((immlo & 0xffff) != (immlo >> 16))
+ return FAIL;
+ immlo &= 0xffff;
}
- else if (immlo == ((immlo & 0x0000ff00) | 0x000000ff))
+
+ if (size >= 16)
{
- if (size != 32)
- return FAIL;
- *immbits = (immlo >> 8) & 0xff;
- return 0xc;
+ if (immlo == (immlo & 0x000000ff))
+ {
+ *immbits = immlo;
+ return 0x8;
+ }
+ else if (immlo == (immlo & 0x0000ff00))
+ {
+ *immbits = immlo >> 8;
+ return 0xa;
+ }
+
+ if ((immlo & 0xff) != (immlo >> 8))
+ return FAIL;
+ immlo &= 0xff;
}
- else if (immlo == ((immlo & 0x00ff0000) | 0x0000ffff))
+
+ if (immlo == (immlo & 0x000000ff))
{
- if (size != 32)
- return FAIL;
- *immbits = (immlo >> 16) & 0xff;
- return 0xd;
+ /* Don't allow MVN with 8-bit immediate. */
+ if (*op == 1)
+ return FAIL;
+ *immbits = immlo;
+ return 0xe;
}
return FAIL;
inst.instruction = NEON_ENC_IMMED (inst.instruction);
+ immbits = inst.operands[1].imm;
+ if (et.size == 64)
+ {
+ /* .i64 is a pseudo-op, so the immediate must be a repeating
+ pattern. */
+ if (immbits != (inst.operands[1].regisimm ?
+ inst.operands[1].reg : 0))
+ {
+ /* Set immbits to an invalid constant. */
+ immbits = 0xdeadbeef;
+ }
+ }
+
switch (opcode)
{
case N_MNEM_vbic:
- cmode = neon_cmode_for_logic_imm (inst.operands[1].imm, &immbits,
- et.size);
+ cmode = neon_cmode_for_logic_imm (immbits, &immbits, et.size);
break;
case N_MNEM_vorr:
- cmode = neon_cmode_for_logic_imm (inst.operands[1].imm, &immbits,
- et.size);
+ cmode = neon_cmode_for_logic_imm (immbits, &immbits, et.size);
break;
case N_MNEM_vand:
/* Pseudo-instruction for VBIC. */
- immbits = inst.operands[1].imm;
neon_invert_size (&immbits, 0, et.size);
cmode = neon_cmode_for_logic_imm (immbits, &immbits, et.size);
break;
case N_MNEM_vorn:
/* Pseudo-instruction for VORR. */
- immbits = inst.operands[1].imm;
neon_invert_size (&immbits, 0, et.size);
cmode = neon_cmode_for_logic_imm (immbits, &immbits, et.size);
break;
neon_dyadic_misc (NT_unsigned, N_SUF_32, 0);
}
-static void
-do_neon_dyadic_if_i (void)
-{
- neon_dyadic_misc (NT_unsigned, N_IF_32, 0);
-}
-
static void
do_neon_dyadic_if_i_d (void)
{
- neon_dyadic_misc (NT_unsigned, N_IF_32, 0);
+ /* The "untyped" case can't happen. Do this to stop the "U" bit being
+ affected if we specify unsigned args. */
+ neon_dyadic_misc (NT_untyped, N_IF_32, 0);
}
enum vfp_or_neon_is_neon_bits
neon_mul_mac (et, neon_quad (rs));
}
else
- do_neon_dyadic_if_i ();
+ {
+ /* The "untyped" case can't happen. Do this to stop the "U" bit being
+ affected if we specify unsigned args. */
+ neon_dyadic_misc (NT_untyped, N_IF_32, 0);
+ }
}
static void
struct neon_type_el et = neon_check_type (2, rs,
N_I8 | N_I16 | N_I32 | N_I64 | N_F32 | N_KEY, N_EQK);
unsigned immlo, immhi = 0, immbits;
- int op, cmode;
+ int op, cmode, float_p;
constraint (et.type == NT_invtype,
_("operand size must be specified for immediate VMOV"));
constraint (et.size < 32 && (immlo & ~((1 << et.size) - 1)) != 0,
_("immediate has bits set outside the operand size"));
- if ((cmode = neon_cmode_for_move_imm (immlo, immhi, &immbits, &op,
+ float_p = inst.operands[1].immisfloat;
+
+ if ((cmode = neon_cmode_for_move_imm (immlo, immhi, float_p, &immbits, &op,
et.size, et.type)) == FAIL)
{
/* Invert relevant bits only. */
with one or the other; those cases are caught by
neon_cmode_for_move_imm. */
op = !op;
- if ((cmode = neon_cmode_for_move_imm (immlo, immhi, &immbits, &op,
- et.size, et.type)) == FAIL)
+ if ((cmode = neon_cmode_for_move_imm (immlo, immhi, float_p, &immbits,
+ &op, et.size, et.type)) == FAIL)
{
first_error (_("immediate out of range"));
return;
{
struct neon_type_el et = neon_check_type (3, NS_QDD,
N_EQK | N_DBL, N_EQK, N_I16 | N_I32 | N_I64 | N_KEY);
+ /* Operand sign is unimportant, and the U bit is part of the opcode,
+ so force the operand type to integer. */
+ et.type = NT_integer;
neon_mixed_length (et, et.size / 2);
}
struct neon_type_el et = neon_check_type (3, rs,
N_EQK, N_EQK, N_8 | N_16 | N_32 | N_64 | N_KEY);
unsigned imm = (inst.operands[3].imm * et.size) / 8;
+ constraint (imm >= (neon_quad (rs) ? 16 : 8), _("shift out of range"));
inst.instruction |= LOW4 (inst.operands[0].reg) << 12;
inst.instruction |= HI1 (inst.operands[0].reg) << 22;
inst.instruction |= LOW4 (inst.operands[1].reg) << 16;
symbolS *sym;
int offset;
-#ifdef OBJ_ELF
/* The size of the instruction is unknown, so tie the debug info to the
start of the instruction. */
dwarf2_emit_insn (0);
-#endif
switch (inst.reloc.exp.X_op)
{
inst.size, & inst.reloc.exp, inst.reloc.pc_rel,
inst.reloc.type);
-#ifdef OBJ_ELF
dwarf2_emit_insn (inst.size);
-#endif
}
/* Tag values used in struct asm_opcode's tag field. */
const struct asm_opcode *opcode;
const struct asm_cond *cond;
char save[2];
+ bfd_boolean neon_supported;
+
+ neon_supported = ARM_CPU_HAS_FEATURE (cpu_variant, fpu_neon_ext_v1);
/* Scan up to the end of the mnemonic, which must end in white space,
- '.' (in unified mode only), or end of string. */
+ '.' (in unified mode, or for Neon instructions), or end of string. */
for (base = end = *str; *end != '\0'; end++)
- if (*end == ' ' || (unified_syntax && *end == '.'))
+ if (*end == ' ' || ((unified_syntax || neon_supported) && *end == '.'))
break;
if (end == base)
{
int offset = 2;
- if (end[1] == 'w')
+ /* The .w and .n suffixes are only valid if the unified syntax is in
+ use. */
+ if (unified_syntax && end[1] == 'w')
inst.size_req = 4;
- else if (end[1] == 'n')
+ else if (unified_syntax && end[1] == 'n')
inst.size_req = 2;
else
offset = 0;
if (end[offset] == '.')
{
- /* See if we have a Neon type suffix. */
+ /* See if we have a Neon type suffix (possible in either unified or
+ non-unified ARM syntax mode). */
if (parse_neon_type (&inst.vectype, str) == FAIL)
return 0;
}
return;
}
+ if (!ARM_CPU_HAS_FEATURE (variant, arm_ext_v6t2) && !inst.size_req)
+ {
+ /* Implicit require narrow instructions on Thumb-1. This avoids
+ relaxation accidentally introducing Thumb-2 instructions. */
+ if (opcode->tencode != do_t_blx && opcode->tencode != do_t_branch23)
+ inst.size_req = 2;
+ }
+
/* Check conditional suffixes. */
if (current_it_mask)
{
}
else if (inst.cond != COND_ALWAYS && opcode->tencode != do_t_branch)
{
- as_bad (_("thumb conditional instrunction not in IT block"));
+ as_bad (_("thumb conditional instruction not in IT block"));
return;
}
return;
}
}
+
+ /* Something has gone badly wrong if we try to relax a fixed size
+ instruction. */
+ assert (inst.size_req == 0 || !inst.relax);
+
ARM_MERGE_FEATURE_SETS (thumb_arch_used, thumb_arch_used,
*opcode->tvariant);
/* Many Thumb-2 instructions also have Thumb-1 variants, so explicitly
ARM_MERGE_FEATURE_SETS (thumb_arch_used, thumb_arch_used,
arm_ext_v6t2);
}
- else
+ else if (ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v1))
{
/* Check that this instruction is supported for this CPU. */
if (!opcode->avariant ||
ARM_MERGE_FEATURE_SETS (arm_arch_used, arm_arch_used,
*opcode->avariant);
}
+ else
+ {
+ as_bad (_("attempt to use an ARM instruction on a Thumb-only processor "
+ "-- `%s'"), str);
+ return;
+ }
output_inst (str);
}
label_is_thumb_function_name = FALSE;
}
-#ifdef OBJ_ELF
dwarf2_emit_label (sym);
-#endif
}
int
/* VFP control registers. */
REGDEF(fpsid,0,VFC), REGDEF(fpscr,1,VFC), REGDEF(fpexc,8,VFC),
REGDEF(FPSID,0,VFC), REGDEF(FPSCR,1,VFC), REGDEF(FPEXC,8,VFC),
+ REGDEF(fpinst,9,VFC), REGDEF(fpinst2,10,VFC),
+ REGDEF(FPINST,9,VFC), REGDEF(FPINST2,10,VFC),
+ REGDEF(mvfr0,7,VFC), REGDEF(mvfr1,6,VFC),
+ REGDEF(MVFR0,7,VFC), REGDEF(MVFR1,6,VFC),
/* Maverick DSP coprocessor registers. */
REGSET(mvf,MVF), REGSET(mvd,MVD), REGSET(mvfx,MVFX), REGSET(mvdx,MVDX),
/* Table of V7M psr names. */
static const struct asm_psr v7m_psrs[] =
{
- {"apsr", 0 },
- {"iapsr", 1 },
- {"eapsr", 2 },
- {"psr", 3 },
- {"ipsr", 5 },
- {"epsr", 6 },
- {"iepsr", 7 },
- {"msp", 8 },
- {"psp", 9 },
- {"primask", 16},
- {"basepri", 17},
- {"basepri_max", 18},
- {"faultmask", 19},
- {"control", 20}
+ {"apsr", 0 }, {"APSR", 0 },
+ {"iapsr", 1 }, {"IAPSR", 1 },
+ {"eapsr", 2 }, {"EAPSR", 2 },
+ {"psr", 3 }, {"PSR", 3 },
+ {"xpsr", 3 }, {"XPSR", 3 }, {"xPSR", 3 },
+ {"ipsr", 5 }, {"IPSR", 5 },
+ {"epsr", 6 }, {"EPSR", 6 },
+ {"iepsr", 7 }, {"IEPSR", 7 },
+ {"msp", 8 }, {"MSP", 8 },
+ {"psp", 9 }, {"PSP", 9 },
+ {"primask", 16}, {"PRIMASK", 16},
+ {"basepri", 17}, {"BASEPRI", 17},
+ {"basepri_max", 18}, {"BASEPRI_MAX", 18},
+ {"faultmask", 19}, {"FAULTMASK", 19},
+ {"control", 20}, {"CONTROL", 20}
};
/* Table of all shift-in-operand names. */
tCE(push, 92d0000, push, 1, (REGLST), push_pop, t_push_pop),
tCE(pop, 8bd0000, pop, 1, (REGLST), push_pop, t_push_pop),
+ /* These may simplify to neg. */
+ TCE(rsb, 0600000, ebc00000, 3, (RR, oRR, SH), arit, t_rsb),
+ TC3(rsbs, 0700000, ebd00000, 3, (RR, oRR, SH), arit, t_rsb),
+
#undef THUMB_VARIANT
#define THUMB_VARIANT &arm_ext_v6
TCE(cpy, 1a00000, 4600, 2, (RR, RR), rd_rm, t_cpy),
/* V1 instructions with no Thumb analogue prior to V6T2. */
#undef THUMB_VARIANT
#define THUMB_VARIANT &arm_ext_v6t2
- TCE(rsb, 0600000, ebc00000, 3, (RR, oRR, SH), arit, t_rsb),
- TC3(rsbs, 0700000, ebd00000, 3, (RR, oRR, SH), arit, t_rsb),
TCE(teq, 1300000, ea900f00, 2, (RR, SH), cmp, t_mvn_tst),
TC3w(teqs, 1300000, ea900f00, 2, (RR, SH), cmp, t_mvn_tst),
CL(teqp, 130f000, 2, (RR, SH), cmp),
#undef ARM_VARIANT
#define ARM_VARIANT &arm_ext_v5e /* ARM Architecture 5TE. */
TUF(pld, 450f000, f810f000, 1, (ADDR), pld, t_pld),
- TC3(ldrd, 00000d0, e9500000, 3, (RRnpc, oRRnpc, ADDRGLDRS), ldrd, t_ldstd),
- TC3(strd, 00000f0, e9400000, 3, (RRnpc, oRRnpc, ADDRGLDRS), ldrd, t_ldstd),
+ TC3(ldrd, 00000d0, e8500000, 3, (RRnpc, oRRnpc, ADDRGLDRS), ldrd, t_ldstd),
+ TC3(strd, 00000f0, e8400000, 3, (RRnpc, oRRnpc, ADDRGLDRS), ldrd, t_ldstd),
TCE(mcrr, c400000, ec400000, 5, (RCP, I15b, RRnpc, RRnpc, RCN), co_reg2c, co_reg2c),
TCE(mrrc, c500000, ec500000, 5, (RCP, I15b, RRnpc, RRnpc, RCN), co_reg2c, co_reg2c),
#undef THUMB_VARIANT
#define THUMB_VARIANT &arm_ext_v6t2
TCE(ldrex, 1900f9f, e8500f00, 2, (RRnpc, ADDR), ldrex, t_ldrex),
+ TCE(strex, 1800f90, e8400000, 3, (RRnpc, RRnpc, ADDR), strex, t_strex),
TUF(mcrr2, c400000, fc400000, 5, (RCP, I15b, RRnpc, RRnpc, RCN), co_reg2c, co_reg2c),
TUF(mrrc2, c500000, fc500000, 5, (RCP, I15b, RRnpc, RRnpc, RCN), co_reg2c, co_reg2c),
TCE(smuadx, 700f030, fb20f010, 3, (RRnpc, RRnpc, RRnpc), smul, t_simd),
TCE(smusd, 700f050, fb40f000, 3, (RRnpc, RRnpc, RRnpc), smul, t_simd),
TCE(smusdx, 700f070, fb40f010, 3, (RRnpc, RRnpc, RRnpc), smul, t_simd),
- TUF(srsia, 8cd0500, e980c000, 1, (I31w), srs, srs),
- UF(srsib, 9cd0500, 1, (I31w), srs),
- UF(srsda, 84d0500, 1, (I31w), srs),
- TUF(srsdb, 94d0500, e800c000, 1, (I31w), srs, srs),
+ TUF(srsia, 8c00500, e980c000, 2, (oRRw, I31w), srs, srs),
+ UF(srsib, 9c00500, 2, (oRRw, I31w), srs),
+ UF(srsda, 8400500, 2, (oRRw, I31w), srs),
+ TUF(srsdb, 9400500, e800c000, 2, (oRRw, I31w), srs, srs),
TCE(ssat16, 6a00f30, f3200000, 3, (RRnpc, I16, RRnpc), ssat16, t_ssat16),
- TCE(strex, 1800f90, e8400000, 3, (RRnpc, RRnpc, ADDR), strex, t_strex),
TCE(umaal, 0400090, fbe00060, 4, (RRnpc, RRnpc, RRnpc, RRnpc),smlal, t_mlal),
TCE(usad8, 780f010, fb70f000, 3, (RRnpc, RRnpc, RRnpc), smul, t_simd),
TCE(usada8, 7800010, fb700000, 4, (RRnpc, RRnpc, RRnpc, RRnpc),smla, t_mla),
TCE(mls, 0600090, fb000010, 4, (RRnpc, RRnpc, RRnpc, RRnpc), mlas, t_mla),
TCE(movw, 3000000, f2400000, 2, (RRnpc, HALF), mov16, t_mov16),
TCE(movt, 3400000, f2c00000, 2, (RRnpc, HALF), mov16, t_mov16),
- TCE(rbit, 3ff0f30, fa90f0a0, 2, (RR, RR), rd_rm, t_rbit),
+ TCE(rbit, 6ff0f30, fa90f0a0, 2, (RR, RR), rd_rm, t_rbit),
TC3(ldrht, 03000b0, f8300e00, 2, (RR, ADDR), ldsttv4, t_ldstt),
TC3(ldrsht, 03000f0, f9300e00, 2, (RR, ADDR), ldsttv4, t_ldstt),
TC3(ldrsbt, 03000d0, f9100e00, 2, (RR, ADDR), ldsttv4, t_ldstt),
TC3(strht, 02000b0, f8200e00, 2, (RR, ADDR), ldsttv4, t_ldstt),
- UT(cbnz, b900, 2, (RR, EXP), t_czb),
- UT(cbz, b100, 2, (RR, EXP), t_czb),
- /* ARM does not really have an IT instruction. */
+ UT(cbnz, b900, 2, (RR, EXP), t_cbz),
+ UT(cbz, b100, 2, (RR, EXP), t_cbz),
+ /* ARM does not really have an IT instruction, so always allow it. */
+#undef ARM_VARIANT
+#define ARM_VARIANT &arm_ext_v1
TUE(it, 0, bf08, 1, (COND), it, t_it),
TUE(itt, 0, bf0c, 1, (COND), it, t_it),
TUE(ite, 0, bf04, 1, (COND), it, t_it),
NUF(vqaddq, 0000010, 3, (RNQ, oRNQ, RNQ), neon_dyadic_i64_su),
NUF(vqsub, 0000210, 3, (RNDQ, oRNDQ, RNDQ), neon_dyadic_i64_su),
NUF(vqsubq, 0000210, 3, (RNQ, oRNQ, RNQ), neon_dyadic_i64_su),
- NUF(vrshl, 0000500, 3, (RNDQ, oRNDQ, RNDQ), neon_dyadic_i64_su),
- NUF(vrshlq, 0000500, 3, (RNQ, oRNQ, RNQ), neon_dyadic_i64_su),
- NUF(vqrshl, 0000510, 3, (RNDQ, oRNDQ, RNDQ), neon_dyadic_i64_su),
- NUF(vqrshlq, 0000510, 3, (RNQ, oRNQ, RNQ), neon_dyadic_i64_su),
+ NUF(vrshl, 0000500, 3, (RNDQ, oRNDQ, RNDQ), neon_rshl),
+ NUF(vrshlq, 0000500, 3, (RNQ, oRNQ, RNQ), neon_rshl),
+ NUF(vqrshl, 0000510, 3, (RNDQ, oRNDQ, RNDQ), neon_rshl),
+ NUF(vqrshlq, 0000510, 3, (RNQ, oRNQ, RNQ), neon_rshl),
/* If not immediate, fall back to neon_dyadic_i64_su.
shl_imm should accept I8 I16 I32 I64,
qshl_imm should accept S8 S16 S32 S64 U8 U16 U32 U64. */
nUF(vcltq, vclt, 3, (RNQ, oRNQ, RNDQ_I0), neon_cmp_inv),
nUF(vcle, vcle, 3, (RNDQ, oRNDQ, RNDQ_I0), neon_cmp_inv),
nUF(vcleq, vcle, 3, (RNQ, oRNQ, RNDQ_I0), neon_cmp_inv),
- /* Comparison. Type I8 I16 I32 F32. Non-immediate -> neon_dyadic_if_i. */
+ /* Comparison. Type I8 I16 I32 F32. */
nUF(vceq, vceq, 3, (RNDQ, oRNDQ, RNDQ_I0), neon_ceq),
nUF(vceqq, vceq, 3, (RNQ, oRNQ, RNDQ_I0), neon_ceq),
/* As above, D registers only. */
nUF(vpmax, vpmax, 3, (RND, oRND, RND), neon_dyadic_if_su_d),
nUF(vpmin, vpmin, 3, (RND, oRND, RND), neon_dyadic_if_su_d),
/* Int and float variants, signedness unimportant. */
- /* If not scalar, fall back to neon_dyadic_if_i. */
nUF(vmlaq, vmla, 3, (RNQ, oRNQ, RNDQ_RNSC), neon_mac_maybe_scalar),
nUF(vmlsq, vmls, 3, (RNQ, oRNQ, RNDQ_RNSC), neon_mac_maybe_scalar),
nUF(vpadd, vpadd, 3, (RND, oRND, RND), neon_dyadic_if_i_d),
NUF(vacgeq, 0000e10, 3, (RNQ, oRNQ, RNQ), neon_fcmp_absolute),
NUF(vacgt, 0200e10, 3, (RNDQ, oRNDQ, RNDQ), neon_fcmp_absolute),
NUF(vacgtq, 0200e10, 3, (RNQ, oRNQ, RNQ), neon_fcmp_absolute),
- NUF(vaclt, 0000e10, 3, (RNDQ, oRNDQ, RNDQ), neon_fcmp_absolute_inv),
- NUF(vacltq, 0000e10, 3, (RNQ, oRNQ, RNQ), neon_fcmp_absolute_inv),
- NUF(vacle, 0200e10, 3, (RNDQ, oRNDQ, RNDQ), neon_fcmp_absolute_inv),
- NUF(vacleq, 0200e10, 3, (RNQ, oRNQ, RNQ), neon_fcmp_absolute_inv),
+ NUF(vaclt, 0200e10, 3, (RNDQ, oRNDQ, RNDQ), neon_fcmp_absolute_inv),
+ NUF(vacltq, 0200e10, 3, (RNQ, oRNQ, RNQ), neon_fcmp_absolute_inv),
+ NUF(vacle, 0000e10, 3, (RNDQ, oRNDQ, RNDQ), neon_fcmp_absolute_inv),
+ NUF(vacleq, 0000e10, 3, (RNQ, oRNQ, RNQ), neon_fcmp_absolute_inv),
NUF(vrecps, 0000f10, 3, (RNDQ, oRNDQ, RNDQ), neon_step),
NUF(vrecpsq, 0000f10, 3, (RNQ, oRNQ, RNQ), neon_step),
NUF(vrsqrts, 0200f10, 3, (RNDQ, oRNDQ, RNDQ), neon_step),
nUF(vmull, vmull, 3, (RNQ, RND, RND_RNSC), neon_vmull),
/* Extract. Size 8. */
- NUF(vext, 0b00000, 4, (RNDQ, oRNDQ, RNDQ, I7), neon_ext),
- NUF(vextq, 0b00000, 4, (RNQ, oRNQ, RNQ, I7), neon_ext),
+ NUF(vext, 0b00000, 4, (RNDQ, oRNDQ, RNDQ, I15), neon_ext),
+ NUF(vextq, 0b00000, 4, (RNQ, oRNQ, RNQ, I15), neon_ext),
/* Two registers, miscellaneous. */
/* Reverse. Sizes 8 16 32 (must be < size in opcode). */
cCE(tinsrb, e600010, 3, (RIWR, RR, I7), iwmmxt_tinsr),
cCE(tinsrh, e600050, 3, (RIWR, RR, I7), iwmmxt_tinsr),
cCE(tinsrw, e600090, 3, (RIWR, RR, I7), iwmmxt_tinsr),
- cCE(tmcr, e000110, 2, (RIWC, RR), rn_rd),
+ cCE(tmcr, e000110, 2, (RIWC_RIWG, RR), rn_rd),
cCE(tmcrr, c400000, 3, (RIWR, RR, RR), rm_rd_rn),
cCE(tmia, e200010, 3, (RIWR, RR, RR), iwmmxt_tmia),
cCE(tmiaph, e280010, 3, (RIWR, RR, RR), iwmmxt_tmia),
cCE(tmovmskb, e100030, 2, (RR, RIWR), rd_rn),
cCE(tmovmskh, e500030, 2, (RR, RIWR), rd_rn),
cCE(tmovmskw, e900030, 2, (RR, RIWR), rd_rn),
- cCE(tmrc, e100110, 2, (RR, RIWC), rd_rn),
+ cCE(tmrc, e100110, 2, (RR, RIWC_RIWG), rd_rn),
cCE(tmrrc, c500000, 3, (RR, RR, RIWR), rd_rn_rm),
cCE(torcb, e13f150, 1, (RR), iwmmxt_tandorc),
cCE(torch, e53f150, 1, (RR), iwmmxt_tandorc),
cCE(wpackwus, e900080, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
cCE(wpackdss, ef00080, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
cCE(wpackdus, ed00080, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
- cCE(wrorh, e700040, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wrorh, e700040, 3, (RIWR, RIWR, RIWR_I32z),iwmmxt_wrwrwr_or_imm5),
cCE(wrorhg, e700148, 3, (RIWR, RIWR, RIWG), rd_rn_rm),
- cCE(wrorw, eb00040, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wrorw, eb00040, 3, (RIWR, RIWR, RIWR_I32z),iwmmxt_wrwrwr_or_imm5),
cCE(wrorwg, eb00148, 3, (RIWR, RIWR, RIWG), rd_rn_rm),
- cCE(wrord, ef00040, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wrord, ef00040, 3, (RIWR, RIWR, RIWR_I32z),iwmmxt_wrwrwr_or_imm5),
cCE(wrordg, ef00148, 3, (RIWR, RIWR, RIWG), rd_rn_rm),
cCE(wsadb, e000120, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
cCE(wsadbz, e100120, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
cCE(wsadh, e400120, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
cCE(wsadhz, e500120, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
cCE(wshufh, e0001e0, 3, (RIWR, RIWR, I255), iwmmxt_wshufh),
- cCE(wsllh, e500040, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wsllh, e500040, 3, (RIWR, RIWR, RIWR_I32z),iwmmxt_wrwrwr_or_imm5),
cCE(wsllhg, e500148, 3, (RIWR, RIWR, RIWG), rd_rn_rm),
- cCE(wsllw, e900040, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wsllw, e900040, 3, (RIWR, RIWR, RIWR_I32z),iwmmxt_wrwrwr_or_imm5),
cCE(wsllwg, e900148, 3, (RIWR, RIWR, RIWG), rd_rn_rm),
- cCE(wslld, ed00040, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wslld, ed00040, 3, (RIWR, RIWR, RIWR_I32z),iwmmxt_wrwrwr_or_imm5),
cCE(wslldg, ed00148, 3, (RIWR, RIWR, RIWG), rd_rn_rm),
- cCE(wsrah, e400040, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wsrah, e400040, 3, (RIWR, RIWR, RIWR_I32z),iwmmxt_wrwrwr_or_imm5),
cCE(wsrahg, e400148, 3, (RIWR, RIWR, RIWG), rd_rn_rm),
- cCE(wsraw, e800040, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wsraw, e800040, 3, (RIWR, RIWR, RIWR_I32z),iwmmxt_wrwrwr_or_imm5),
cCE(wsrawg, e800148, 3, (RIWR, RIWR, RIWG), rd_rn_rm),
- cCE(wsrad, ec00040, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wsrad, ec00040, 3, (RIWR, RIWR, RIWR_I32z),iwmmxt_wrwrwr_or_imm5),
cCE(wsradg, ec00148, 3, (RIWR, RIWR, RIWG), rd_rn_rm),
- cCE(wsrlh, e600040, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wsrlh, e600040, 3, (RIWR, RIWR, RIWR_I32z),iwmmxt_wrwrwr_or_imm5),
cCE(wsrlhg, e600148, 3, (RIWR, RIWR, RIWG), rd_rn_rm),
- cCE(wsrlw, ea00040, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wsrlw, ea00040, 3, (RIWR, RIWR, RIWR_I32z),iwmmxt_wrwrwr_or_imm5),
cCE(wsrlwg, ea00148, 3, (RIWR, RIWR, RIWG), rd_rn_rm),
- cCE(wsrld, ee00040, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wsrld, ee00040, 3, (RIWR, RIWR, RIWR_I32z),iwmmxt_wrwrwr_or_imm5),
cCE(wsrldg, ee00148, 3, (RIWR, RIWR, RIWG), rd_rn_rm),
cCE(wstrb, c000000, 2, (RIWR, ADDR), iwmmxt_wldstbh),
cCE(wstrh, c400000, 2, (RIWR, ADDR), iwmmxt_wldstbh),
cCE(wxor, e100000, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
cCE(wzero, e300000, 1, (RIWR), iwmmxt_wzero),
+#undef ARM_VARIANT
+#define ARM_VARIANT &arm_cext_iwmmxt2 /* Intel Wireless MMX technology, version 2. */
+ cCE(torvscb, e13f190, 1, (RR), iwmmxt_tandorc),
+ cCE(torvsch, e53f190, 1, (RR), iwmmxt_tandorc),
+ cCE(torvscw, e93f190, 1, (RR), iwmmxt_tandorc),
+ cCE(wabsb, e2001c0, 2, (RIWR, RIWR), rd_rn),
+ cCE(wabsh, e6001c0, 2, (RIWR, RIWR), rd_rn),
+ cCE(wabsw, ea001c0, 2, (RIWR, RIWR), rd_rn),
+ cCE(wabsdiffb, e1001c0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wabsdiffh, e5001c0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wabsdiffw, e9001c0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(waddbhusl, e2001a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(waddbhusm, e6001a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(waddhc, e600180, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(waddwc, ea00180, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(waddsubhx, ea001a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wavg4, e400000, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wavg4r, e500000, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmaddsn, ee00100, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmaddsx, eb00100, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmaddun, ec00100, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmaddux, e900100, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmerge, e000080, 4, (RIWR, RIWR, RIWR, I7), iwmmxt_wmerge),
+ cCE(wmiabb, e0000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmiabt, e1000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmiatb, e2000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmiatt, e3000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmiabbn, e4000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmiabtn, e5000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmiatbn, e6000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmiattn, e7000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmiawbb, e800120, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmiawbt, e900120, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmiawtb, ea00120, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmiawtt, eb00120, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmiawbbn, ec00120, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmiawbtn, ed00120, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmiawtbn, ee00120, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmiawttn, ef00120, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmulsmr, ef00100, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmulumr, ed00100, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmulwumr, ec000c0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmulwsmr, ee000c0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmulwum, ed000c0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmulwsm, ef000c0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wmulwl, eb000c0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wqmiabb, e8000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wqmiabt, e9000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wqmiatb, ea000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wqmiatt, eb000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wqmiabbn, ec000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wqmiabtn, ed000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wqmiatbn, ee000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wqmiattn, ef000a0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wqmulm, e100080, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wqmulmr, e300080, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wqmulwm, ec000e0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wqmulwmr, ee000e0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+ cCE(wsubaddhx, ed001c0, 3, (RIWR, RIWR, RIWR), rd_rn_rm),
+
#undef ARM_VARIANT
#define ARM_VARIANT &arm_cext_maverick /* Cirrus Maverick instructions. */
cCE(cfldrs, c100400, 2, (RMF, ADDRGLDC), rd_cpaddr),
insn = THUMB_OP32 (opcode);
insn |= (old_op & 0xf0) << 4;
put_thumb32_insn (buf, insn);
- reloc_type = BFD_RELOC_ARM_T32_IMMEDIATE;
+ if (opcode == T_MNEM_add_pc)
+ reloc_type = BFD_RELOC_ARM_T32_IMM12;
+ else
+ reloc_type = BFD_RELOC_ARM_T32_ADD_IMM;
}
else
reloc_type = BFD_RELOC_ARM_THUMB_ADD;
insn |= (old_op & 0xf0) << 4;
insn |= (old_op & 0xf) << 16;
put_thumb32_insn (buf, insn);
- reloc_type = BFD_RELOC_ARM_T32_IMMEDIATE;
+ if (insn & (1 << 20))
+ reloc_type = BFD_RELOC_ARM_T32_ADD_IMM;
+ else
+ reloc_type = BFD_RELOC_ARM_T32_IMMEDIATE;
}
else
reloc_type = BFD_RELOC_ARM_THUMB_ADD;
offset = fragp->fr_offset;
/* Force misaligned offsets to 32-bit variant. */
if (offset & low)
- return -4;
+ return 4;
if (offset & ~mask)
return 4;
return 2;
}
+/* Get the address of a symbol during relaxation. */
+static addressT
+relaxed_symbol_addr(fragS *fragp, long stretch)
+{
+ fragS *sym_frag;
+ addressT addr;
+ symbolS *sym;
+
+ sym = fragp->fr_symbol;
+ sym_frag = symbol_get_frag (sym);
+ know (S_GET_SEGMENT (sym) != absolute_section
+ || sym_frag == &zero_address_frag);
+ addr = S_GET_VALUE (sym) + fragp->fr_offset;
+
+ /* If frag has yet to be reached on this pass, assume it will
+ move by STRETCH just as we did. If this is not so, it will
+ be because some frag between grows, and that will force
+ another pass. */
+
+ if (stretch != 0
+ && sym_frag->relax_marker != fragp->relax_marker)
+ {
+ fragS *f;
+
+ /* Adjust stretch for any alignment frag. Note that if have
+ been expanding the earlier code, the symbol may be
+ defined in what appears to be an earlier frag. FIXME:
+ This doesn't handle the fr_subtype field, which specifies
+ a maximum number of bytes to skip when doing an
+ alignment. */
+ for (f = fragp; f != NULL && f != sym_frag; f = f->fr_next)
+ {
+ if (f->fr_type == rs_align || f->fr_type == rs_align_code)
+ {
+ if (stretch < 0)
+ stretch = - ((- stretch)
+ & ~ ((1 << (int) f->fr_offset) - 1));
+ else
+ stretch &= ~ ((1 << (int) f->fr_offset) - 1);
+ if (stretch == 0)
+ break;
+ }
+ }
+ if (f != NULL)
+ addr += stretch;
+ }
+
+ return addr;
+}
+
/* Return the size of a relaxable adr pseudo-instruction or PC-relative
load. */
static int
-relax_adr (fragS *fragp, asection *sec)
+relax_adr (fragS *fragp, asection *sec, long stretch)
{
addressT addr;
offsetT val;
|| sec != S_GET_SEGMENT (fragp->fr_symbol))
return 4;
- val = S_GET_VALUE(fragp->fr_symbol) + fragp->fr_offset;
+ val = relaxed_symbol_addr(fragp, stretch);
addr = fragp->fr_address + fragp->fr_fix;
addr = (addr + 4) & ~3;
- /* Fix the insn as the 4-byte version if the target address is not
- sufficiently aligned. This is prevents an infinite loop when two
- instructions have contradictory range/alignment requirements. */
+ /* Force misaligned targets to 32-bit variant. */
if (val & 3)
- return -4;
+ return 4;
val -= addr;
if (val < 0 || val > 1020)
return 4;
size of the offset field in the narrow instruction. */
static int
-relax_branch (fragS *fragp, asection *sec, int bits)
+relax_branch (fragS *fragp, asection *sec, int bits, long stretch)
{
addressT addr;
offsetT val;
|| sec != S_GET_SEGMENT (fragp->fr_symbol))
return 4;
- val = S_GET_VALUE(fragp->fr_symbol) + fragp->fr_offset;
+ val = relaxed_symbol_addr(fragp, stretch);
addr = fragp->fr_address + fragp->fr_fix + 4;
val -= addr;
the current size of the frag should change. */
int
-arm_relax_frag (asection *sec, fragS *fragp, long stretch ATTRIBUTE_UNUSED)
+arm_relax_frag (asection *sec, fragS *fragp, long stretch)
{
int oldsize;
int newsize;
switch (fragp->fr_subtype)
{
case T_MNEM_ldr_pc2:
- newsize = relax_adr(fragp, sec);
+ newsize = relax_adr(fragp, sec, stretch);
break;
case T_MNEM_ldr_pc:
case T_MNEM_ldr_sp:
newsize = relax_immediate(fragp, 5, 0);
break;
case T_MNEM_adr:
- newsize = relax_adr(fragp, sec);
+ newsize = relax_adr(fragp, sec, stretch);
break;
case T_MNEM_mov:
case T_MNEM_movs:
newsize = relax_immediate(fragp, 8, 0);
break;
case T_MNEM_b:
- newsize = relax_branch(fragp, sec, 11);
+ newsize = relax_branch(fragp, sec, 11, stretch);
break;
case T_MNEM_bcond:
- newsize = relax_branch(fragp, sec, 8);
+ newsize = relax_branch(fragp, sec, 8, stretch);
break;
case T_MNEM_add_sp:
case T_MNEM_add_pc:
default:
abort();
}
- if (newsize < 0)
+
+ fragp->fr_var = newsize;
+ /* Freeze wide instructions that are at or before the same location as
+ in the previous pass. This avoids infinite loops.
+ Don't freeze them unconditionally because targets may be artificialy
+ misaligned by the expansion of preceeding frags. */
+ if (stretch <= 0 && newsize > 2)
{
- fragp->fr_var = -newsize;
md_convert_frag (sec->owner, sec, fragp);
frag_wane(fragp);
- return -(newsize + oldsize);
}
- fragp->fr_var = newsize;
+
return newsize - oldsize;
}
md_section_align (segT segment ATTRIBUTE_UNUSED,
valueT size)
{
-#ifdef OBJ_ELF
- return size;
-#else
- /* Round all sects to multiple of 4. */
- return (size + 3) & ~3;
+#if (defined (OBJ_AOUT) || defined (OBJ_MAYBE_AOUT))
+ if (OUTPUT_FLAVOR == bfd_target_aout_flavour)
+ {
+ /* For a.out, force the section size to be aligned. If we don't do
+ this, BFD will align it for us, but it will not write out the
+ final bytes of the section. This may be a bug in BFD, but it is
+ easier to fix it here since that is how the other a.out targets
+ work. */
+ int align;
+
+ align = bfd_get_section_alignment (stdoutput, segment);
+ size = ((size + (1 << align) - 1) & ((valueT) -1 << align));
+ }
#endif
+
+ return size;
}
/* This is called from HANDLE_ALIGN in write.c. Fill in the contents
group_name = elf_group_name (text_seg);
if (group_name == NULL)
{
- as_bad ("Group section `%s' has no group signature",
+ as_bad (_("Group section `%s' has no group signature"),
segment_name (text_seg));
ignore_rest_of_line ();
return;
return 0;
}
+
+/* Initialize the DWARF-2 unwind information for this procedure. */
+
+void
+tc_arm_frame_initial_instructions (void)
+{
+ cfi_add_CFA_def_cfa (REG_SP, 0);
+}
+#endif /* OBJ_ELF */
+
/* Convert REGNAME to a DWARF-2 register number. */
int
return reg;
}
-/* Initialize the DWARF-2 unwind information for this procedure. */
-
+#ifdef TE_PE
void
-tc_arm_frame_initial_instructions (void)
+tc_pe_dwarf2_emit_offset (symbolS *symbol, unsigned int size)
{
- cfi_add_CFA_def_cfa (REG_SP, 0);
-}
-#endif /* OBJ_ELF */
+ expressionS expr;
+ expr.X_op = O_secrel;
+ expr.X_add_symbol = symbol;
+ expr.X_add_number = 0;
+ emit_expr (&expr, size);
+}
+#endif
/* MD interface: Symbol and relocation handling. */
if (!GOT_symbol)
{
if (symbol_find (name))
- as_bad ("GOT already in the symbol table");
+ as_bad (_("GOT already in the symbol table"));
GOT_symbol = symbol_new (name, undefined_section,
(valueT) 0, & zero_address_frag);
/* Like negate_data_op, but for Thumb-2. */
static unsigned int
-thumb32_negate_data_op (offsetT *instruction, offsetT value)
+thumb32_negate_data_op (offsetT *instruction, unsigned int value)
{
int op, new_inst;
int rd;
- offsetT negated, inverted;
+ unsigned int negated, inverted;
negated = encode_thumb32_immediate (-value);
inverted = encode_thumb32_immediate (~value);
return FAIL;
}
- if (value == FAIL)
+ if (value == (unsigned int)FAIL)
return FAIL;
*instruction &= T2_OPCODE_MASK;
as_bad_where (fixP->fx_file, fixP->fx_line,
_("invalid literal constant: pool needs to be closer"));
else
- as_bad (_("bad immediate value for half-word offset (%ld)"),
+ as_bad (_("bad immediate value for 8-bit offset (%ld)"),
(long) value);
break;
}
break;
case BFD_RELOC_ARM_T32_IMMEDIATE:
+ case BFD_RELOC_ARM_T32_ADD_IMM:
case BFD_RELOC_ARM_T32_IMM12:
case BFD_RELOC_ARM_T32_ADD_PC12:
/* We claim that this fixup has been processed here,
newval <<= 16;
newval |= md_chars_to_number (buf+2, THUMB_SIZE);
- /* FUTURE: Implement analogue of negate_data_op for T32. */
- if (fixP->fx_r_type == BFD_RELOC_ARM_T32_IMMEDIATE)
+ newimm = FAIL;
+ if (fixP->fx_r_type == BFD_RELOC_ARM_T32_IMMEDIATE
+ || fixP->fx_r_type == BFD_RELOC_ARM_T32_ADD_IMM)
{
newimm = encode_thumb32_immediate (value);
if (newimm == (unsigned int) FAIL)
newimm = thumb32_negate_data_op (&newval, value);
}
- else
+ if (fixP->fx_r_type != BFD_RELOC_ARM_T32_IMMEDIATE
+ && newimm == (unsigned int) FAIL)
{
+ /* Turn add/sum into addw/subw. */
+ if (fixP->fx_r_type == BFD_RELOC_ARM_T32_ADD_IMM)
+ newval = (newval & 0xfeffffff) | 0x02000000;
+
/* 12 bit immediate for addw/subw. */
if (value < 0)
{
}
break;
- case BFD_RELOC_THUMB_PCREL_BRANCH7: /* CZB */
- /* CZB can only branch forward. */
- if (value & ~0x7e)
- as_bad_where (fixP->fx_file, fixP->fx_line,
- _("branch out of range"));
+ case BFD_RELOC_THUMB_PCREL_BRANCH7: /* CBZ */
+ /* CBZ can only branch forward. */
- if (fixP->fx_done || !seg->use_rela_p)
+ /* Attempts to use CBZ to branch to the next instruction
+ (which, strictly speaking, are prohibited) will be turned into
+ no-ops.
+
+ FIXME: It may be better to remove the instruction completely and
+ perform relaxation. */
+ if (value == -2)
{
newval = md_chars_to_number (buf, THUMB_SIZE);
- newval |= ((value & 0x3e) << 2) | ((value & 0x40) << 3);
+ newval = 0xbf00; /* NOP encoding T1 */
md_number_to_chars (buf, newval, THUMB_SIZE);
}
+ else
+ {
+ if (value & ~0x7e)
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("branch out of range"));
+
+ if (fixP->fx_done || !seg->use_rela_p)
+ {
+ newval = md_chars_to_number (buf, THUMB_SIZE);
+ newval |= ((value & 0x3e) << 2) | ((value & 0x40) << 3);
+ md_number_to_chars (buf, newval, THUMB_SIZE);
+ }
+ }
break;
case BFD_RELOC_THUMB_PCREL_BRANCH9: /* Conditional branch. */
case BFD_RELOC_ARM_ROSEGREL32:
case BFD_RELOC_ARM_SBREL32:
case BFD_RELOC_32_PCREL:
+#ifdef TE_PE
+ case BFD_RELOC_32_SECREL:
+#endif
if (fixP->fx_done || !seg->use_rela_p)
#ifdef TE_WINCE
/* For WinCE we only do this for pcrel fixups. */
newval = get_thumb32_insn (buf);
newval &= 0xff7fff00;
newval |= (value >> 2) | (sign ? INDEX_UP : 0);
- if (value == 0)
- newval &= ~WRITE_BACK;
if (fixP->fx_r_type == BFD_RELOC_ARM_CP_OFF_IMM
|| fixP->fx_r_type == BFD_RELOC_ARM_CP_OFF_IMM_S2)
md_number_to_chars (buf, newval, INSN_SIZE);
newval = md_chars_to_number (buf, THUMB_SIZE);
if (value < 0 || value > 255)
as_bad_where (fixP->fx_file, fixP->fx_line,
- _("invalid immediate: %ld is too large"),
+ _("invalid immediate: %ld is out of range"),
(long) value);
newval |= value;
md_number_to_chars (buf, newval, THUMB_SIZE);
{
if (value < -0x1000 || value > 0xffff)
as_bad_where (fixP->fx_file, fixP->fx_line,
- _("offset too big"));
+ _("offset out of range"));
}
else if (fixP->fx_r_type == BFD_RELOC_ARM_MOVT
|| fixP->fx_r_type == BFD_RELOC_ARM_THUMB_MOVT)
if (encoded_addend == (unsigned int) FAIL)
as_bad_where (fixP->fx_file, fixP->fx_line,
_("the offset 0x%08lX is not representable"),
- addend_abs);
+ (unsigned long) addend_abs);
/* Extract the instruction. */
insn = md_chars_to_number (buf, INSN_SIZE);
if (addend_abs >= 0x1000)
as_bad_where (fixP->fx_file, fixP->fx_line,
_("bad offset 0x%08lX (only 12 bits available for the magnitude)"),
- addend_abs);
+ (unsigned long) addend_abs);
/* Extract the instruction. */
insn = md_chars_to_number (buf, INSN_SIZE);
if (addend_abs >= 0x100)
as_bad_where (fixP->fx_file, fixP->fx_line,
_("bad offset 0x%08lX (only 8 bits available for the magnitude)"),
- addend_abs);
+ (unsigned long) addend_abs);
/* Extract the instruction. */
insn = md_chars_to_number (buf, INSN_SIZE);
if (addend_abs & 0x3)
as_bad_where (fixP->fx_file, fixP->fx_line,
_("bad offset 0x%08lX (must be word-aligned)"),
- addend_abs);
+ (unsigned long) addend_abs);
if ((addend_abs >> 2) > 0xff)
as_bad_where (fixP->fx_file, fixP->fx_line,
_("bad offset 0x%08lX (must be an 8-bit number of words)"),
- addend_abs);
+ (unsigned long) addend_abs);
/* Extract the instruction. */
insn = md_chars_to_number (buf, INSN_SIZE);
case BFD_RELOC_THUMB_PCREL_BLX:
case BFD_RELOC_VTABLE_ENTRY:
case BFD_RELOC_VTABLE_INHERIT:
+#ifdef TE_PE
+ case BFD_RELOC_32_SECREL:
+#endif
code = fixp->fx_r_type;
break;
break;
}
+#ifdef TE_PE
+ if (exp->X_op == O_secrel)
+ {
+ exp->X_op = O_symbol;
+ type = BFD_RELOC_32_SECREL;
+ }
+#endif
+
fix_new_exp (frag, where, (int) size, exp, pcrel, type);
}
if (fixp->fx_r_type == BFD_RELOC_ARM_IMMEDIATE
|| fixp->fx_r_type == BFD_RELOC_ARM_OFFSET_IMM
|| fixp->fx_r_type == BFD_RELOC_ARM_ADRL_IMMEDIATE
+ || fixp->fx_r_type == BFD_RELOC_ARM_T32_ADD_IMM
|| fixp->fx_r_type == BFD_RELOC_ARM_T32_IMMEDIATE
|| fixp->fx_r_type == BFD_RELOC_ARM_T32_IMM12
|| fixp->fx_r_type == BFD_RELOC_ARM_T32_ADD_PC12)
|| fixp->fx_r_type == BFD_RELOC_ARM_LDR_PC_G0)
return 1;
- return generic_force_reloc (fixp);
-}
-
-#ifdef OBJ_COFF
-bfd_boolean
-arm_fix_adjustable (fixS * fixP)
-{
- /* This is a little hack to help the gas/arm/adrl.s test. It prevents
- local labels from being added to the output symbol table when they
- are used with the ADRL pseudo op. The ADRL relocation should always
- be resolved before the binbary is emitted, so it is safe to say that
- it is adjustable. */
- if (fixP->fx_r_type == BFD_RELOC_ARM_ADRL_IMMEDIATE)
+ /* Always generate relocations against function symbols. */
+ if (fixp->fx_r_type == BFD_RELOC_32
+ && fixp->fx_addsy
+ && (symbol_get_bfdsym (fixp->fx_addsy)->flags & BSF_FUNCTION))
return 1;
- /* This is a hack for the gas/all/redef2.s test. This test causes symbols
- to be cloned, and without this test relocs would still be generated
- against the original, pre-cloned symbol. Such symbols would not appear
- in the symbol table however, and so a valid reloc could not be
- generated. So check to see if the fixup is against a symbol which has
- been removed from the symbol chain, and if it is, then allow it to be
- adjusted into a reloc against a section symbol. */
- if (fixP->fx_addsy != NULL
- && ! S_IS_LOCAL (fixP->fx_addsy)
- && symbol_next (fixP->fx_addsy) == NULL
- && symbol_next (fixP->fx_addsy) == symbol_previous (fixP->fx_addsy))
- return 1;
-
- return 0;
+ return generic_force_reloc (fixp);
}
-#endif
-#ifdef OBJ_ELF
+#if defined (OBJ_ELF) || defined (OBJ_COFF)
/* Relocations against function names must be left unadjusted,
so that the linker can use this information to generate interworking
stubs. The MIPS version of this function
return 1;
}
+#endif /* defined (OBJ_ELF) || defined (OBJ_COFF) */
+
+#ifdef OBJ_ELF
const char *
elf32_arm_target_format (void)
if (THUMB_IS_FUNC (sym))
elf_sym->internal_elf_sym.st_info =
ELF_ST_INFO (bind, STT_ARM_TFUNC);
- else
+ else if (EF_ARM_EABI_VERSION (meabi_flags) < EF_ARM_EABI_VER4)
elf_sym->internal_elf_sym.st_info =
ELF_ST_INFO (bind, STT_ARM_16BIT);
}
abort ();
}
+/* Auto-select Thumb mode if it's the only available instruction set for the
+ given architecture. */
+
+static void
+autoselect_thumb_from_cpu_variant (void)
+{
+ if (!ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v1))
+ opcode_select (16);
+}
+
void
md_begin (void)
{
if (!mfpu_opt)
{
- if (!mcpu_cpu_opt)
+ if (mcpu_cpu_opt != NULL)
mfpu_opt = &fpu_default;
- else if (ARM_CPU_HAS_FEATURE (*mcpu_fpu_opt, arm_ext_v5))
+ else if (mcpu_fpu_opt != NULL && ARM_CPU_HAS_FEATURE (*mcpu_fpu_opt, arm_ext_v5))
mfpu_opt = &fpu_arch_vfp_v2;
else
mfpu_opt = &fpu_arch_fpa;
ARM_MERGE_FEATURE_SETS (cpu_variant, *mcpu_cpu_opt, *mfpu_opt);
+ autoselect_thumb_from_cpu_variant ();
+
arm_arch_used = thumb_arch_used = arm_arch_none;
#if defined OBJ_COFF || defined OBJ_ELF
#endif
/* Record the CPU type as well. */
- if (ARM_CPU_HAS_FEATURE (cpu_variant, arm_cext_iwmmxt))
+ if (ARM_CPU_HAS_FEATURE (cpu_variant, arm_cext_iwmmxt2))
+ mach = bfd_mach_arm_iWMMXt2;
+ else if (ARM_CPU_HAS_FEATURE (cpu_variant, arm_cext_iwmmxt))
mach = bfd_mach_arm_iWMMXt;
else if (ARM_CPU_HAS_FEATURE (cpu_variant, arm_cext_xscale))
mach = bfd_mach_arm_XScale;
{"xscale", ARM_ARCH_XSCALE, FPU_ARCH_VFP_V2, NULL},
/* ??? iwmmxt is not a processor. */
{"iwmmxt", ARM_ARCH_IWMMXT, FPU_ARCH_VFP_V2, NULL},
+ {"iwmmxt2", ARM_ARCH_IWMMXT2,FPU_ARCH_VFP_V2, NULL},
{"i80200", ARM_ARCH_XSCALE, FPU_ARCH_VFP_V2, NULL},
/* Maverick */
{"ep9312", ARM_FEATURE(ARM_AEXT_V4T, ARM_CEXT_MAVERICK), FPU_ARCH_MAVERICK, "ARM920T"},
{"armv6zt2", ARM_ARCH_V6ZT2, FPU_ARCH_VFP},
{"armv6zkt2", ARM_ARCH_V6ZKT2, FPU_ARCH_VFP},
{"armv7", ARM_ARCH_V7, FPU_ARCH_VFP},
+ /* The official spelling of the ARMv7 profile variants is the dashed form.
+ Accept the non-dashed form for compatibility with old toolchains. */
{"armv7a", ARM_ARCH_V7A, FPU_ARCH_VFP},
{"armv7r", ARM_ARCH_V7R, FPU_ARCH_VFP},
{"armv7m", ARM_ARCH_V7M, FPU_ARCH_VFP},
+ {"armv7-a", ARM_ARCH_V7A, FPU_ARCH_VFP},
+ {"armv7-r", ARM_ARCH_V7R, FPU_ARCH_VFP},
+ {"armv7-m", ARM_ARCH_V7M, FPU_ARCH_VFP},
{"xscale", ARM_ARCH_XSCALE, FPU_ARCH_VFP},
{"iwmmxt", ARM_ARCH_IWMMXT, FPU_ARCH_VFP},
+ {"iwmmxt2", ARM_ARCH_IWMMXT2,FPU_ARCH_VFP},
{NULL, ARM_ARCH_NONE, ARM_ARCH_NONE}
};
{"maverick", ARM_FEATURE (0, ARM_CEXT_MAVERICK)},
{"xscale", ARM_FEATURE (0, ARM_CEXT_XSCALE)},
{"iwmmxt", ARM_FEATURE (0, ARM_CEXT_IWMMXT)},
+ {"iwmmxt2", ARM_FEATURE (0, ARM_CEXT_IWMMXT2)},
{NULL, ARM_ARCH_NONE}
};
ARM_MERGE_FEATURE_SETS (flags, arm_arch_used, thumb_arch_used);
ARM_MERGE_FEATURE_SETS (flags, flags, *mfpu_opt);
ARM_MERGE_FEATURE_SETS (flags, flags, selected_cpu);
-
+ /*Allow the user to override the reported architecture. */
+ if (object_arch)
+ {
+ ARM_CLEAR_FEATURE (flags, flags, arm_arch_any);
+ ARM_MERGE_FEATURE_SETS (flags, flags, *object_arch);
+ }
+
tmp = flags;
arch = 0;
for (p = cpu_arch_ver; p->val; p++)
for (i = 0; p[i]; i++)
p[i] = TOUPPER (p[i]);
}
- elf32_arm_add_eabi_attr_string (stdoutput, 5, p);
+ bfd_elf_add_proc_attr_string (stdoutput, 5, p);
}
/* Tag_CPU_arch. */
- elf32_arm_add_eabi_attr_int (stdoutput, 6, arch);
+ bfd_elf_add_proc_attr_int (stdoutput, 6, arch);
/* Tag_CPU_arch_profile. */
if (ARM_CPU_HAS_FEATURE (flags, arm_ext_v7a))
- elf32_arm_add_eabi_attr_int (stdoutput, 7, 'A');
+ bfd_elf_add_proc_attr_int (stdoutput, 7, 'A');
else if (ARM_CPU_HAS_FEATURE (flags, arm_ext_v7r))
- elf32_arm_add_eabi_attr_int (stdoutput, 7, 'R');
+ bfd_elf_add_proc_attr_int (stdoutput, 7, 'R');
else if (ARM_CPU_HAS_FEATURE (flags, arm_ext_v7m))
- elf32_arm_add_eabi_attr_int (stdoutput, 7, 'M');
+ bfd_elf_add_proc_attr_int (stdoutput, 7, 'M');
/* Tag_ARM_ISA_use. */
if (ARM_CPU_HAS_FEATURE (arm_arch_used, arm_arch_full))
- elf32_arm_add_eabi_attr_int (stdoutput, 8, 1);
+ bfd_elf_add_proc_attr_int (stdoutput, 8, 1);
/* Tag_THUMB_ISA_use. */
if (ARM_CPU_HAS_FEATURE (thumb_arch_used, arm_arch_full))
- elf32_arm_add_eabi_attr_int (stdoutput, 9,
+ bfd_elf_add_proc_attr_int (stdoutput, 9,
ARM_CPU_HAS_FEATURE (thumb_arch_used, arm_arch_t2) ? 2 : 1);
/* Tag_VFP_arch. */
if (ARM_CPU_HAS_FEATURE (thumb_arch_used, fpu_vfp_ext_v3)
|| ARM_CPU_HAS_FEATURE (arm_arch_used, fpu_vfp_ext_v3))
- elf32_arm_add_eabi_attr_int (stdoutput, 10, 3);
+ bfd_elf_add_proc_attr_int (stdoutput, 10, 3);
else if (ARM_CPU_HAS_FEATURE (thumb_arch_used, fpu_vfp_ext_v2)
|| ARM_CPU_HAS_FEATURE (arm_arch_used, fpu_vfp_ext_v2))
- elf32_arm_add_eabi_attr_int (stdoutput, 10, 2);
+ bfd_elf_add_proc_attr_int (stdoutput, 10, 2);
else if (ARM_CPU_HAS_FEATURE (thumb_arch_used, fpu_vfp_ext_v1)
|| ARM_CPU_HAS_FEATURE (arm_arch_used, fpu_vfp_ext_v1)
|| ARM_CPU_HAS_FEATURE (thumb_arch_used, fpu_vfp_ext_v1xd)
|| ARM_CPU_HAS_FEATURE (arm_arch_used, fpu_vfp_ext_v1xd))
- elf32_arm_add_eabi_attr_int (stdoutput, 10, 1);
+ bfd_elf_add_proc_attr_int (stdoutput, 10, 1);
/* Tag_WMMX_arch. */
if (ARM_CPU_HAS_FEATURE (thumb_arch_used, arm_cext_iwmmxt)
|| ARM_CPU_HAS_FEATURE (arm_arch_used, arm_cext_iwmmxt))
- elf32_arm_add_eabi_attr_int (stdoutput, 11, 1);
+ bfd_elf_add_proc_attr_int (stdoutput, 11, 1);
/* Tag_NEON_arch. */
if (ARM_CPU_HAS_FEATURE (thumb_arch_used, fpu_neon_ext_v1)
|| ARM_CPU_HAS_FEATURE (arm_arch_used, fpu_neon_ext_v1))
- elf32_arm_add_eabi_attr_int (stdoutput, 12, 1);
+ bfd_elf_add_proc_attr_int (stdoutput, 12, 1);
}
-/* Add the .ARM.attributes section. */
+/* Add the default contents for the .ARM.attributes section. */
void
arm_md_end (void)
{
- segT s;
- char *p;
- addressT addr;
- offsetT size;
-
if (EF_ARM_EABI_VERSION (meabi_flags) < EF_ARM_EABI_VER4)
return;
aeabi_set_public_attributes ();
- size = elf32_arm_eabi_attr_size (stdoutput);
- s = subseg_new (".ARM.attributes", 0);
- bfd_set_section_flags (stdoutput, s, SEC_READONLY | SEC_DATA);
- addr = frag_now_fix ();
- p = frag_more (size);
- elf32_arm_set_eabi_attr_contents (stdoutput, (bfd_byte *)p, size);
}
#endif /* OBJ_ELF */
}
+/* Parse a .object_arch directive. */
+
+static void
+s_arm_object_arch (int ignored ATTRIBUTE_UNUSED)
+{
+ const struct arm_arch_option_table *opt;
+ char saved_char;
+ char *name;
+
+ name = input_line_pointer;
+ while (*input_line_pointer && !ISSPACE(*input_line_pointer))
+ input_line_pointer++;
+ saved_char = *input_line_pointer;
+ *input_line_pointer = 0;
+
+ /* Skip the first "all" entry. */
+ for (opt = arm_archs + 1; opt->name != NULL; opt++)
+ if (streq (opt->name, name))
+ {
+ object_arch = &opt->value;
+ *input_line_pointer = saved_char;
+ demand_empty_rest_of_line ();
+ return;
+ }
+
+ as_bad (_("unknown architecture `%s'\n"), name);
+ *input_line_pointer = saved_char;
+ ignore_rest_of_line ();
+}
+
+
/* Parse a .fpu directive. */
static void
ignore_rest_of_line ();
}
+/* Copy symbol information. */
+void
+arm_copy_symbol_attributes (symbolS *dest, symbolS *src)
+{
+ ARM_GET_FLAG (dest) = ARM_GET_FLAG (src);
+}
projects / deliverable / binutils-gdb.git / blobdiff