You should have received a copy of the GNU General Public License
along with GAS; see the file COPYING. If not, write to the Free
- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
+ Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
#include "as.h"
#include "config.h"
/* True if this entry cannot be moved from its current position. */
unsigned int fixed_p : 1;
- /* True if this instruction occured in a .set noreorder block. */
+ /* True if this instruction occurred in a .set noreorder block. */
unsigned int noreorder_p : 1;
/* True for mips16 instructions that jump to an absolute address. */
command line options, and based on the default architecture. */
int ase_mips3d;
int ase_mdmx;
+ int ase_smartmips;
+ int ase_dsp;
+ int ase_mt;
/* Whether we are assembling for the mips16 processor. 0 if we are
not, 1 if we are, and -1 if the value has not been initialized.
Changed by `.set mips16' and `.set nomips16', and the -mips16 and
static struct mips_set_options mips_opts =
{
- ISA_UNKNOWN, -1, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0, CPU_UNKNOWN, FALSE
+ ISA_UNKNOWN, -1, -1, 0, -1, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0, CPU_UNKNOWN, FALSE
};
/* These variables are filled in with the masks of registers used.
command line (e.g., by -march). */
static int file_ase_mdmx;
+/* True if -msmartmips was passed or implied by arguments passed on the
+ command line (e.g., by -march). */
+static int file_ase_smartmips;
+
+#define ISA_SUPPORTS_SMARTMIPS (mips_opts.isa == ISA_MIPS32 \
+ || mips_opts.isa == ISA_MIPS32R2)
+
+/* True if -mdsp was passed or implied by arguments passed on the
+ command line (e.g., by -march). */
+static int file_ase_dsp;
+
+#define ISA_SUPPORTS_DSP_ASE (mips_opts.isa == ISA_MIPS32R2 \
+ || mips_opts.isa == ISA_MIPS64R2)
+
+/* True if -mmt was passed or implied by arguments passed on the
+ command line (e.g., by -march). */
+static int file_ase_mt;
+
+#define ISA_SUPPORTS_MT_ASE (mips_opts.isa == ISA_MIPS32R2 \
+ || mips_opts.isa == ISA_MIPS64R2)
+
/* The argument of the -march= flag. The architecture we are assembling. */
static int file_mips_arch = CPU_UNKNOWN;
static const char *mips_arch_string;
#define ABI_NEEDS_32BIT_REGS(ABI) ((ABI) == O32_ABI)
/* Likewise 64-bit registers. */
-#define ABI_NEEDS_64BIT_REGS(ABI) \
- ((ABI) == N32_ABI \
- || (ABI) == N64_ABI \
+#define ABI_NEEDS_64BIT_REGS(ABI) \
+ ((ABI) == N32_ABI \
+ || (ABI) == N64_ABI \
|| (ABI) == O64_ABI)
-/* Return true if ISA supports 64 bit gp register instructions. */
-#define ISA_HAS_64BIT_REGS(ISA) ( \
- (ISA) == ISA_MIPS3 \
- || (ISA) == ISA_MIPS4 \
- || (ISA) == ISA_MIPS5 \
- || (ISA) == ISA_MIPS64 \
- || (ISA) == ISA_MIPS64R2 \
- )
+/* Return true if ISA supports 64 bit wide gp registers. */
+#define ISA_HAS_64BIT_REGS(ISA) \
+ ((ISA) == ISA_MIPS3 \
+ || (ISA) == ISA_MIPS4 \
+ || (ISA) == ISA_MIPS5 \
+ || (ISA) == ISA_MIPS64 \
+ || (ISA) == ISA_MIPS64R2)
+
+/* Return true if ISA supports 64 bit wide float registers. */
+#define ISA_HAS_64BIT_FPRS(ISA) \
+ ((ISA) == ISA_MIPS3 \
+ || (ISA) == ISA_MIPS4 \
+ || (ISA) == ISA_MIPS5 \
+ || (ISA) == ISA_MIPS32R2 \
+ || (ISA) == ISA_MIPS64 \
+ || (ISA) == ISA_MIPS64R2)
/* Return true if ISA supports 64-bit right rotate (dror et al.)
instructions. */
-#define ISA_HAS_DROR(ISA) ( \
- (ISA) == ISA_MIPS64R2 \
- )
+#define ISA_HAS_DROR(ISA) \
+ ((ISA) == ISA_MIPS64R2)
/* Return true if ISA supports 32-bit right rotate (ror et al.)
instructions. */
-#define ISA_HAS_ROR(ISA) ( \
- (ISA) == ISA_MIPS32R2 \
- || (ISA) == ISA_MIPS64R2 \
- )
+#define ISA_HAS_ROR(ISA) \
+ ((ISA) == ISA_MIPS32R2 \
+ || (ISA) == ISA_MIPS64R2 \
+ || mips_opts.ase_smartmips)
+
+/* Return true if ISA supports single-precision floats in odd registers. */
+#define ISA_HAS_ODD_SINGLE_FPR(ISA) \
+ ((ISA) == ISA_MIPS32 \
+ || (ISA) == ISA_MIPS32R2 \
+ || (ISA) == ISA_MIPS64 \
+ || (ISA) == ISA_MIPS64R2)
+
+/* Return true if ISA supports move to/from high part of a 64-bit
+ floating-point register. */
+#define ISA_HAS_MXHC1(ISA) \
+ ((ISA) == ISA_MIPS32R2 \
+ || (ISA) == ISA_MIPS64R2)
#define HAVE_32BIT_GPRS \
- (mips_opts.gp32 || ! ISA_HAS_64BIT_REGS (mips_opts.isa))
+ (mips_opts.gp32 || !ISA_HAS_64BIT_REGS (mips_opts.isa))
#define HAVE_32BIT_FPRS \
- (mips_opts.fp32 || ! ISA_HAS_64BIT_REGS (mips_opts.isa))
+ (mips_opts.fp32 || !ISA_HAS_64BIT_FPRS (mips_opts.isa))
-#define HAVE_64BIT_GPRS (! HAVE_32BIT_GPRS)
-#define HAVE_64BIT_FPRS (! HAVE_32BIT_FPRS)
+#define HAVE_64BIT_GPRS (!HAVE_32BIT_GPRS)
+#define HAVE_64BIT_FPRS (!HAVE_32BIT_FPRS)
#define HAVE_NEWABI (mips_abi == N32_ABI || mips_abi == N64_ABI)
#define CPU_HAS_MDMX(cpu) (FALSE \
)
+/* Return true if the given CPU supports the DSP ASE. */
+#define CPU_HAS_DSP(cpu) (FALSE \
+ )
+
+/* Return true if the given CPU supports the MT ASE. */
+#define CPU_HAS_MT(cpu) (FALSE \
+ )
+
/* True if CPU has a dror instruction. */
#define CPU_HAS_DROR(CPU) ((CPU) == CPU_VR5400 || (CPU) == CPU_VR5500)
struct mips_cpu_info
{
const char *name; /* CPU or ISA name. */
- int is_isa; /* Is this an ISA? (If 0, a CPU.) */
+ int flags; /* ASEs available, or ISA flag. */
int isa; /* ISA level. */
int cpu; /* CPU number (default CPU if ISA). */
};
+#define MIPS_CPU_IS_ISA 0x0001 /* Is this an ISA? (If 0, a CPU.) */
+#define MIPS_CPU_ASE_SMARTMIPS 0x0002 /* CPU implements SmartMIPS ASE */
+#define MIPS_CPU_ASE_DSP 0x0004 /* CPU implements DSP ASE */
+#define MIPS_CPU_ASE_MT 0x0008 /* CPU implements MT ASE */
+#define MIPS_CPU_ASE_MIPS3D 0x0010 /* CPU implements MIPS-3D ASE */
+#define MIPS_CPU_ASE_MDMX 0x0020 /* CPU implements MDMX ASE */
+
static const struct mips_cpu_info *mips_parse_cpu (const char *, const char *);
static const struct mips_cpu_info *mips_cpu_info_from_isa (int);
static const struct mips_cpu_info *mips_cpu_info_from_arch (int);
case bfd_target_coff_flavour:
return "pe-mips";
case bfd_target_elf_flavour:
+#ifdef TE_VXWORKS
+ if (!HAVE_64BIT_OBJECTS && !HAVE_NEWABI)
+ return (target_big_endian
+ ? "elf32-bigmips-vxworks"
+ : "elf32-littlemips-vxworks");
+#endif
#ifdef TE_TMIPS
/* This is traditional mips. */
return (target_big_endian
#undef CONFLICT
}
-/* This function is called once, at assembler startup time. It should
- set up all the tables, etc. that the MD part of the assembler will need. */
+struct regname {
+ const char *name;
+ unsigned int num;
+};
+
+#define RTYPE_MASK 0x1ff00
+#define RTYPE_NUM 0x00100
+#define RTYPE_FPU 0x00200
+#define RTYPE_FCC 0x00400
+#define RTYPE_VEC 0x00800
+#define RTYPE_GP 0x01000
+#define RTYPE_CP0 0x02000
+#define RTYPE_PC 0x04000
+#define RTYPE_ACC 0x08000
+#define RTYPE_CCC 0x10000
+#define RNUM_MASK 0x000ff
+#define RWARN 0x80000
+
+#define GENERIC_REGISTER_NUMBERS \
+ {"$0", RTYPE_NUM | 0}, \
+ {"$1", RTYPE_NUM | 1}, \
+ {"$2", RTYPE_NUM | 2}, \
+ {"$3", RTYPE_NUM | 3}, \
+ {"$4", RTYPE_NUM | 4}, \
+ {"$5", RTYPE_NUM | 5}, \
+ {"$6", RTYPE_NUM | 6}, \
+ {"$7", RTYPE_NUM | 7}, \
+ {"$8", RTYPE_NUM | 8}, \
+ {"$9", RTYPE_NUM | 9}, \
+ {"$10", RTYPE_NUM | 10}, \
+ {"$11", RTYPE_NUM | 11}, \
+ {"$12", RTYPE_NUM | 12}, \
+ {"$13", RTYPE_NUM | 13}, \
+ {"$14", RTYPE_NUM | 14}, \
+ {"$15", RTYPE_NUM | 15}, \
+ {"$16", RTYPE_NUM | 16}, \
+ {"$17", RTYPE_NUM | 17}, \
+ {"$18", RTYPE_NUM | 18}, \
+ {"$19", RTYPE_NUM | 19}, \
+ {"$20", RTYPE_NUM | 20}, \
+ {"$21", RTYPE_NUM | 21}, \
+ {"$22", RTYPE_NUM | 22}, \
+ {"$23", RTYPE_NUM | 23}, \
+ {"$24", RTYPE_NUM | 24}, \
+ {"$25", RTYPE_NUM | 25}, \
+ {"$26", RTYPE_NUM | 26}, \
+ {"$27", RTYPE_NUM | 27}, \
+ {"$28", RTYPE_NUM | 28}, \
+ {"$29", RTYPE_NUM | 29}, \
+ {"$30", RTYPE_NUM | 30}, \
+ {"$31", RTYPE_NUM | 31}
+
+#define FPU_REGISTER_NAMES \
+ {"$f0", RTYPE_FPU | 0}, \
+ {"$f1", RTYPE_FPU | 1}, \
+ {"$f2", RTYPE_FPU | 2}, \
+ {"$f3", RTYPE_FPU | 3}, \
+ {"$f4", RTYPE_FPU | 4}, \
+ {"$f5", RTYPE_FPU | 5}, \
+ {"$f6", RTYPE_FPU | 6}, \
+ {"$f7", RTYPE_FPU | 7}, \
+ {"$f8", RTYPE_FPU | 8}, \
+ {"$f9", RTYPE_FPU | 9}, \
+ {"$f10", RTYPE_FPU | 10}, \
+ {"$f11", RTYPE_FPU | 11}, \
+ {"$f12", RTYPE_FPU | 12}, \
+ {"$f13", RTYPE_FPU | 13}, \
+ {"$f14", RTYPE_FPU | 14}, \
+ {"$f15", RTYPE_FPU | 15}, \
+ {"$f16", RTYPE_FPU | 16}, \
+ {"$f17", RTYPE_FPU | 17}, \
+ {"$f18", RTYPE_FPU | 18}, \
+ {"$f19", RTYPE_FPU | 19}, \
+ {"$f20", RTYPE_FPU | 20}, \
+ {"$f21", RTYPE_FPU | 21}, \
+ {"$f22", RTYPE_FPU | 22}, \
+ {"$f23", RTYPE_FPU | 23}, \
+ {"$f24", RTYPE_FPU | 24}, \
+ {"$f25", RTYPE_FPU | 25}, \
+ {"$f26", RTYPE_FPU | 26}, \
+ {"$f27", RTYPE_FPU | 27}, \
+ {"$f28", RTYPE_FPU | 28}, \
+ {"$f29", RTYPE_FPU | 29}, \
+ {"$f30", RTYPE_FPU | 30}, \
+ {"$f31", RTYPE_FPU | 31}
+
+#define FPU_CONDITION_CODE_NAMES \
+ {"$fcc0", RTYPE_FCC | 0}, \
+ {"$fcc1", RTYPE_FCC | 1}, \
+ {"$fcc2", RTYPE_FCC | 2}, \
+ {"$fcc3", RTYPE_FCC | 3}, \
+ {"$fcc4", RTYPE_FCC | 4}, \
+ {"$fcc5", RTYPE_FCC | 5}, \
+ {"$fcc6", RTYPE_FCC | 6}, \
+ {"$fcc7", RTYPE_FCC | 7}
+
+#define COPROC_CONDITION_CODE_NAMES \
+ {"$cc0", RTYPE_FCC | RTYPE_CCC | 0}, \
+ {"$cc1", RTYPE_FCC | RTYPE_CCC | 1}, \
+ {"$cc2", RTYPE_FCC | RTYPE_CCC | 2}, \
+ {"$cc3", RTYPE_FCC | RTYPE_CCC | 3}, \
+ {"$cc4", RTYPE_FCC | RTYPE_CCC | 4}, \
+ {"$cc5", RTYPE_FCC | RTYPE_CCC | 5}, \
+ {"$cc6", RTYPE_FCC | RTYPE_CCC | 6}, \
+ {"$cc7", RTYPE_FCC | RTYPE_CCC | 7}
+
+#define N32N64_SYMBOLIC_REGISTER_NAMES \
+ {"$a4", RTYPE_GP | 8}, \
+ {"$a5", RTYPE_GP | 9}, \
+ {"$a6", RTYPE_GP | 10}, \
+ {"$a7", RTYPE_GP | 11}, \
+ {"$ta0", RTYPE_GP | 8}, /* alias for $a4 */ \
+ {"$ta1", RTYPE_GP | 9}, /* alias for $a5 */ \
+ {"$ta2", RTYPE_GP | 10}, /* alias for $a6 */ \
+ {"$ta3", RTYPE_GP | 11}, /* alias for $a7 */ \
+ {"$t0", RTYPE_GP | 12}, \
+ {"$t1", RTYPE_GP | 13}, \
+ {"$t2", RTYPE_GP | 14}, \
+ {"$t3", RTYPE_GP | 15}
+
+#define O32_SYMBOLIC_REGISTER_NAMES \
+ {"$t0", RTYPE_GP | 8}, \
+ {"$t1", RTYPE_GP | 9}, \
+ {"$t2", RTYPE_GP | 10}, \
+ {"$t3", RTYPE_GP | 11}, \
+ {"$t4", RTYPE_GP | 12}, \
+ {"$t5", RTYPE_GP | 13}, \
+ {"$t6", RTYPE_GP | 14}, \
+ {"$t7", RTYPE_GP | 15}, \
+ {"$ta0", RTYPE_GP | 12}, /* alias for $t4 */ \
+ {"$ta1", RTYPE_GP | 13}, /* alias for $t5 */ \
+ {"$ta2", RTYPE_GP | 14}, /* alias for $t6 */ \
+ {"$ta3", RTYPE_GP | 15} /* alias for $t7 */
+
+/* Remaining symbolic register names */
+#define SYMBOLIC_REGISTER_NAMES \
+ {"$zero", RTYPE_GP | 0}, \
+ {"$at", RTYPE_GP | 1}, \
+ {"$AT", RTYPE_GP | 1}, \
+ {"$v0", RTYPE_GP | 2}, \
+ {"$v1", RTYPE_GP | 3}, \
+ {"$a0", RTYPE_GP | 4}, \
+ {"$a1", RTYPE_GP | 5}, \
+ {"$a2", RTYPE_GP | 6}, \
+ {"$a3", RTYPE_GP | 7}, \
+ {"$s0", RTYPE_GP | 16}, \
+ {"$s1", RTYPE_GP | 17}, \
+ {"$s2", RTYPE_GP | 18}, \
+ {"$s3", RTYPE_GP | 19}, \
+ {"$s4", RTYPE_GP | 20}, \
+ {"$s5", RTYPE_GP | 21}, \
+ {"$s6", RTYPE_GP | 22}, \
+ {"$s7", RTYPE_GP | 23}, \
+ {"$t8", RTYPE_GP | 24}, \
+ {"$t9", RTYPE_GP | 25}, \
+ {"$k0", RTYPE_GP | 26}, \
+ {"$kt0", RTYPE_GP | 26}, \
+ {"$k1", RTYPE_GP | 27}, \
+ {"$kt1", RTYPE_GP | 27}, \
+ {"$gp", RTYPE_GP | 28}, \
+ {"$sp", RTYPE_GP | 29}, \
+ {"$s8", RTYPE_GP | 30}, \
+ {"$fp", RTYPE_GP | 30}, \
+ {"$ra", RTYPE_GP | 31}
+
+#define MIPS16_SPECIAL_REGISTER_NAMES \
+ {"$pc", RTYPE_PC | 0}
+
+#define MDMX_VECTOR_REGISTER_NAMES \
+ /* {"$v0", RTYPE_VEC | 0}, clash with REG 2 above */ \
+ /* {"$v1", RTYPE_VEC | 1}, clash with REG 3 above */ \
+ {"$v2", RTYPE_VEC | 2}, \
+ {"$v3", RTYPE_VEC | 3}, \
+ {"$v4", RTYPE_VEC | 4}, \
+ {"$v5", RTYPE_VEC | 5}, \
+ {"$v6", RTYPE_VEC | 6}, \
+ {"$v7", RTYPE_VEC | 7}, \
+ {"$v8", RTYPE_VEC | 8}, \
+ {"$v9", RTYPE_VEC | 9}, \
+ {"$v10", RTYPE_VEC | 10}, \
+ {"$v11", RTYPE_VEC | 11}, \
+ {"$v12", RTYPE_VEC | 12}, \
+ {"$v13", RTYPE_VEC | 13}, \
+ {"$v14", RTYPE_VEC | 14}, \
+ {"$v15", RTYPE_VEC | 15}, \
+ {"$v16", RTYPE_VEC | 16}, \
+ {"$v17", RTYPE_VEC | 17}, \
+ {"$v18", RTYPE_VEC | 18}, \
+ {"$v19", RTYPE_VEC | 19}, \
+ {"$v20", RTYPE_VEC | 20}, \
+ {"$v21", RTYPE_VEC | 21}, \
+ {"$v22", RTYPE_VEC | 22}, \
+ {"$v23", RTYPE_VEC | 23}, \
+ {"$v24", RTYPE_VEC | 24}, \
+ {"$v25", RTYPE_VEC | 25}, \
+ {"$v26", RTYPE_VEC | 26}, \
+ {"$v27", RTYPE_VEC | 27}, \
+ {"$v28", RTYPE_VEC | 28}, \
+ {"$v29", RTYPE_VEC | 29}, \
+ {"$v30", RTYPE_VEC | 30}, \
+ {"$v31", RTYPE_VEC | 31}
+
+#define MIPS_DSP_ACCUMULATOR_NAMES \
+ {"$ac0", RTYPE_ACC | 0}, \
+ {"$ac1", RTYPE_ACC | 1}, \
+ {"$ac2", RTYPE_ACC | 2}, \
+ {"$ac3", RTYPE_ACC | 3}
+
+static const struct regname reg_names[] = {
+ GENERIC_REGISTER_NUMBERS,
+ FPU_REGISTER_NAMES,
+ FPU_CONDITION_CODE_NAMES,
+ COPROC_CONDITION_CODE_NAMES,
+
+ /* The $txx registers depends on the abi,
+ these will be added later into the symbol table from
+ one of the tables below once mips_abi is set after
+ parsing of arguments from the command line. */
+ SYMBOLIC_REGISTER_NAMES,
+
+ MIPS16_SPECIAL_REGISTER_NAMES,
+ MDMX_VECTOR_REGISTER_NAMES,
+ MIPS_DSP_ACCUMULATOR_NAMES,
+ {0, 0}
+};
+
+static const struct regname reg_names_o32[] = {
+ O32_SYMBOLIC_REGISTER_NAMES,
+ {0, 0}
+};
+
+static const struct regname reg_names_n32n64[] = {
+ N32N64_SYMBOLIC_REGISTER_NAMES,
+ {0, 0}
+};
+
+static int
+reg_lookup (char **s, unsigned int types, unsigned int *regnop)
+{
+ symbolS *symbolP;
+ char *e;
+ char save_c;
+ int reg = -1;
+
+ /* Find end of name. */
+ e = *s;
+ if (is_name_beginner (*e))
+ ++e;
+ while (is_part_of_name (*e))
+ ++e;
+
+ /* Terminate name. */
+ save_c = *e;
+ *e = '\0';
+
+ /* Look for a register symbol. */
+ if ((symbolP = symbol_find (*s)) && S_GET_SEGMENT (symbolP) == reg_section)
+ {
+ int r = S_GET_VALUE (symbolP);
+ if (r & types)
+ reg = r & RNUM_MASK;
+ else if ((types & RTYPE_VEC) && (r & ~1) == (RTYPE_GP | 2))
+ /* Convert GP reg $v0/1 to MDMX reg $v0/1! */
+ reg = (r & RNUM_MASK) - 2;
+ }
+ /* Else see if this is a register defined in an itbl entry. */
+ else if ((types & RTYPE_GP) && itbl_have_entries)
+ {
+ char *n = *s;
+ unsigned long r;
+
+ if (*n == '$')
+ ++n;
+ if (itbl_get_reg_val (n, &r))
+ reg = r & RNUM_MASK;
+ }
+
+ /* Advance to next token if a register was recognised. */
+ if (reg >= 0)
+ *s = e;
+ else if (types & RWARN)
+ as_warn ("Unrecognized register name `%s'", *s);
+
+ *e = save_c;
+ if (regnop)
+ *regnop = reg;
+ return reg >= 0;
+}
+
+/* This function is called once, at assembler startup time. It should set up
+ all the tables, etc. that the MD part of the assembler will need. */
void
md_begin (void)
int i = 0;
int broken = 0;
+ if (mips_pic != NO_PIC)
+ {
+ if (g_switch_seen && g_switch_value != 0)
+ as_bad (_("-G may not be used in position-independent code"));
+ g_switch_value = 0;
+ }
+
if (! bfd_set_arch_mach (stdoutput, bfd_arch_mips, file_mips_arch))
as_warn (_("Could not set architecture and machine"));
/* We add all the general register names to the symbol table. This
helps us detect invalid uses of them. */
- for (i = 0; i < 32; i++)
- {
- char buf[5];
-
- sprintf (buf, "$%d", i);
- symbol_table_insert (symbol_new (buf, reg_section, i,
+ for (i = 0; reg_names[i].name; i++)
+ symbol_table_insert (symbol_new (reg_names[i].name, reg_section,
+ reg_names[i].num, // & RNUM_MASK,
+ &zero_address_frag));
+ if (HAVE_NEWABI)
+ for (i = 0; reg_names_n32n64[i].name; i++)
+ symbol_table_insert (symbol_new (reg_names_n32n64[i].name, reg_section,
+ reg_names_n32n64[i].num, // & RNUM_MASK,
&zero_address_frag));
- }
- symbol_table_insert (symbol_new ("$ra", reg_section, RA,
- &zero_address_frag));
- symbol_table_insert (symbol_new ("$fp", reg_section, FP,
- &zero_address_frag));
- symbol_table_insert (symbol_new ("$sp", reg_section, SP,
- &zero_address_frag));
- symbol_table_insert (symbol_new ("$gp", reg_section, GP,
- &zero_address_frag));
- symbol_table_insert (symbol_new ("$at", reg_section, AT,
- &zero_address_frag));
- symbol_table_insert (symbol_new ("$kt0", reg_section, KT0,
- &zero_address_frag));
- symbol_table_insert (symbol_new ("$kt1", reg_section, KT1,
- &zero_address_frag));
- symbol_table_insert (symbol_new ("$zero", reg_section, ZERO,
- &zero_address_frag));
- symbol_table_insert (symbol_new ("$pc", reg_section, -1,
- &zero_address_frag));
-
- /* If we don't add these register names to the symbol table, they
- may end up being added as regular symbols by operand(), and then
- make it to the object file as undefined in case they're not
- regarded as local symbols. They're local in o32, since `$' is a
- local symbol prefix, but not in n32 or n64. */
- for (i = 0; i < 8; i++)
- {
- char buf[6];
-
- sprintf (buf, "$fcc%i", i);
- symbol_table_insert (symbol_new (buf, reg_section, -1,
+ else
+ for (i = 0; reg_names_o32[i].name; i++)
+ symbol_table_insert (symbol_new (reg_names_o32[i].name, reg_section,
+ reg_names_o32[i].num, // & RNUM_MASK,
&zero_address_frag));
- }
mips_no_prev_insn ();
bfd_set_gp_size (stdoutput, g_switch_value);
+#ifdef OBJ_ELF
if (OUTPUT_FLAVOR == bfd_target_elf_flavour)
{
- /* On a native system, sections must be aligned to 16 byte
- boundaries. When configured for an embedded ELF target, we
- don't bother. */
- if (strcmp (TARGET_OS, "elf") != 0)
+ /* On a native system other than VxWorks, sections must be aligned
+ to 16 byte boundaries. When configured for an embedded ELF
+ target, we don't bother. */
+ if (strcmp (TARGET_OS, "elf") != 0
+ && strcmp (TARGET_OS, "vxworks") != 0)
{
(void) bfd_set_section_alignment (stdoutput, text_section, 4);
(void) bfd_set_section_alignment (stdoutput, data_section, 4);
bfd_set_section_flags (stdoutput, sec, flags);
bfd_set_section_alignment (stdoutput, sec, HAVE_NEWABI ? 3 : 2);
-#ifdef OBJ_ELF
mips_regmask_frag = frag_more (sizeof (Elf32_External_RegInfo));
-#endif
}
else
{
bfd_set_section_flags (stdoutput, sec, flags);
bfd_set_section_alignment (stdoutput, sec, 3);
-#ifdef OBJ_ELF
/* Set up the option header. */
{
Elf_Internal_Options opthdr;
mips_regmask_frag = frag_more (sizeof (Elf64_External_RegInfo));
}
-#endif
}
if (ECOFF_DEBUGGING)
SEC_HAS_CONTENTS | SEC_READONLY);
(void) bfd_set_section_alignment (stdoutput, sec, 2);
}
-#ifdef OBJ_ELF
else if (OUTPUT_FLAVOR == bfd_target_elf_flavour && mips_flag_pdr)
{
pdr_seg = subseg_new (".pdr", (subsegT) 0);
| SEC_DEBUGGING);
(void) bfd_set_section_alignment (stdoutput, pdr_seg, 2);
}
-#endif
subseg_set (seg, subseg);
}
}
+#endif /* OBJ_ELF */
if (! ECOFF_DEBUGGING)
md_obj_begin ();
}
/* Return true if the given relocation might need a matching %lo().
- Note that R_MIPS_GOT16 relocations only need a matching %lo() when
- applied to local symbols. */
+ This is only "might" because SVR4 R_MIPS_GOT16 relocations only
+ need a matching %lo() when applied to local symbols. */
static inline bfd_boolean
reloc_needs_lo_p (bfd_reloc_code_real_type reloc)
{
return (HAVE_IN_PLACE_ADDENDS
&& (reloc == BFD_RELOC_HI16_S
- || reloc == BFD_RELOC_MIPS_GOT16
- || reloc == BFD_RELOC_MIPS16_HI16_S));
+ || reloc == BFD_RELOC_MIPS16_HI16_S
+ /* VxWorks R_MIPS_GOT16 relocs never need a matching %lo();
+ all GOT16 relocations evaluate to "G". */
+ || (reloc == BFD_RELOC_MIPS_GOT16 && mips_pic != VXWORKS_PIC)));
}
/* Return true if the given fixup is followed by a matching R_MIPS_LO16
&& ! ip->use_extend
&& *reloc_type != BFD_RELOC_MIPS16_JMP)
{
- /* Make sure there is enough room to swap this instruction with
- a following jump instruction. */
- frag_grow (6);
+ if ((pinfo & INSN_UNCOND_BRANCH_DELAY) == 0)
+ /* Make sure there is enough room to swap this instruction with
+ a following jump instruction. */
+ frag_grow (6);
add_fixed_insn (ip);
}
else
if ((address_expr->X_add_number & 3) != 0)
as_bad (_("jump to misaligned address (0x%lx)"),
(unsigned long) address_expr->X_add_number);
- if (address_expr->X_add_number & ~0xfffffff)
- as_bad (_("jump address range overflow (0x%lx)"),
- (unsigned long) address_expr->X_add_number);
ip->insn_opcode |= (address_expr->X_add_number >> 2) & 0x3ffffff;
break;
if ((address_expr->X_add_number & 3) != 0)
as_bad (_("jump to misaligned address (0x%lx)"),
(unsigned long) address_expr->X_add_number);
- if (address_expr->X_add_number & ~0xfffffff)
- as_bad (_("jump address range overflow (0x%lx)"),
- (unsigned long) address_expr->X_add_number);
ip->insn_opcode |=
(((address_expr->X_add_number & 0x7c0000) << 3)
| ((address_expr->X_add_number & 0xf800000) >> 7)
break;
case BFD_RELOC_16_PCREL_S2:
- goto need_reloc;
+ if ((address_expr->X_add_number & 3) != 0)
+ as_bad (_("branch to misaligned address (0x%lx)"),
+ (unsigned long) address_expr->X_add_number);
+ if (mips_relax_branch)
+ goto need_reloc;
+ if ((address_expr->X_add_number + 0x20000) & ~0x3ffff)
+ as_bad (_("branch address range overflow (0x%lx)"),
+ (unsigned long) address_expr->X_add_number);
+ ip->insn_opcode |= (address_expr->X_add_number >> 2) & 0xffff;
+ break;
default:
internalError ();
sync.p, we can not swap. */
|| (prev_pinfo & INSN_SYNC))
{
- /* We could do even better for unconditional branches to
- portions of this object file; we could pick up the
- instruction at the destination, put it in the delay
- slot, and bump the destination address. */
- insert_into_history (0, 1, ip);
- emit_nop ();
+ if (mips_opts.mips16
+ && (pinfo & INSN_UNCOND_BRANCH_DELAY)
+ && (pinfo & (MIPS16_INSN_READ_X | MIPS16_INSN_READ_31))
+ && (mips_opts.isa == ISA_MIPS32
+ || mips_opts.isa == ISA_MIPS32R2
+ || mips_opts.isa == ISA_MIPS64
+ || mips_opts.isa == ISA_MIPS64R2))
+ {
+ /* Convert MIPS16 jr/jalr into a "compact" jump. */
+ ip->insn_opcode |= 0x0080;
+ install_insn (ip);
+ insert_into_history (0, 1, ip);
+ }
+ else
+ {
+ /* We could do even better for unconditional branches to
+ portions of this object file; we could pick up the
+ instruction at the destination, put it in the delay
+ slot, and bump the destination address. */
+ insert_into_history (0, 1, ip);
+ emit_nop ();
+ }
+
if (mips_relax.sequence)
mips_relax.sizes[mips_relax.sequence - 1] += 4;
}
if (mips_opts.mips16)
{
know (delay.frag == ip->frag);
- move_insn (ip, delay.frag, delay.where);
+ move_insn (ip, delay.frag, delay.where);
move_insn (&delay, ip->frag, ip->where + insn_length (ip));
}
else if (relaxed_branch)
|| mo->pinfo == INSN_MACRO
|| !OPCODE_IS_MEMBER (mo,
(mips_opts.isa
- | (file_ase_mips16 ? INSN_MIPS16 : 0)),
+ | (mips_opts.mips16 ? INSN_MIPS16 : 0)
+ | (mips_opts.ase_smartmips ? INSN_SMARTMIPS : 0)),
mips_opts.arch)
|| (mips_opts.arch == CPU_R4650 && (mo->pinfo & FP_D) != 0))
{
case 'p':
assert (ep != NULL);
+
/*
* This allows macro() to pass an immediate expression for
* creating short branches without creating a symbol.
- * Note that the expression still might come from the assembly
- * input, in which case the value is not checked for range nor
- * is a relocation entry generated (yuck).
+ *
+ * We don't allow branch relaxation for these branches, as
+ * they should only appear in ".set nomacro" anyway.
*/
if (ep->X_op == O_constant)
{
+ if ((ep->X_add_number & 3) != 0)
+ as_bad (_("branch to misaligned address (0x%lx)"),
+ (unsigned long) ep->X_add_number);
+ if ((ep->X_add_number + 0x20000) & ~0x3ffff)
+ as_bad (_("branch address range overflow (0x%lx)"),
+ (unsigned long) ep->X_add_number);
insn.insn_opcode |= (ep->X_add_number >> 2) & 0xffff;
ep = NULL;
}
insn.insn_opcode |= va_arg (args, unsigned long);
continue;
+ case 'k':
+ insn.insn_opcode |= va_arg (args, unsigned long) << OP_SH_CACHE;
+ continue;
+
default:
internalError ();
}
if (!dbl || HAVE_32BIT_GPRS)
{
- as_bad (_("Number (0x%lx%08lx) larger than 32 bits"),
- (unsigned long) (ep->X_add_number >> 32),
- (unsigned long) (ep->X_add_number & 0xffffffff));
+ char value[32];
+
+ sprintf_vma (value, ep->X_add_number);
+ as_bad (_("Number (0x%s) larger than 32 bits"), value);
macro_build (ep, "addiu", "t,r,j", reg, 0, BFD_RELOC_LO16);
return;
}
relax_end ();
}
}
- else if (mips_pic == SVR4_PIC && ! mips_big_got)
+ else if (!mips_big_got)
{
expressionS ex;
}
}
}
- else if (mips_pic == SVR4_PIC)
+ else if (mips_big_got)
{
expressionS ex;
relax_end ();
}
}
- else if (mips_pic == SVR4_PIC && ! mips_big_got && ! HAVE_NEWABI)
+ else if (!mips_big_got && !HAVE_NEWABI)
{
int lw_reloc_type = (int) BFD_RELOC_MIPS_GOT16;
if (offset_expr.X_add_number == 0)
{
- if (breg == 0 && (call || tempreg == PIC_CALL_REG))
+ if (mips_pic == SVR4_PIC
+ && breg == 0
+ && (call || tempreg == PIC_CALL_REG))
lw_reloc_type = (int) BFD_RELOC_MIPS_CALL16;
relax_start (offset_expr.X_add_symbol);
used_at = 1;
}
}
- else if (mips_pic == SVR4_PIC && ! mips_big_got && HAVE_NEWABI)
+ else if (!mips_big_got && HAVE_NEWABI)
{
int add_breg_early = 0;
BFD_RELOC_MIPS_GOT_DISP, mips_gp_register);
}
}
- else if (mips_pic == SVR4_PIC && ! HAVE_NEWABI)
+ else if (mips_big_got && !HAVE_NEWABI)
{
int gpdelay;
int lui_reloc_type = (int) BFD_RELOC_MIPS_GOT_HI16;
}
relax_end ();
}
- else if (mips_pic == SVR4_PIC && HAVE_NEWABI)
+ else if (mips_big_got && HAVE_NEWABI)
{
int lui_reloc_type = (int) BFD_RELOC_MIPS_GOT_HI16;
int lw_reloc_type = (int) BFD_RELOC_MIPS_GOT_LO16;
case M_JAL_2:
if (mips_pic == NO_PIC)
macro_build (NULL, "jalr", "d,s", dreg, sreg);
- else if (mips_pic == SVR4_PIC)
+ else
{
if (sreg != PIC_CALL_REG)
as_warn (_("MIPS PIC call to register other than $25"));
macro_build (NULL, "jalr", "d,s", dreg, sreg);
- if (! HAVE_NEWABI)
+ if (mips_pic == SVR4_PIC && !HAVE_NEWABI)
{
if (mips_cprestore_offset < 0)
as_warn (_("No .cprestore pseudo-op used in PIC code"));
}
}
}
- else
- abort ();
break;
}
}
}
+ else if (mips_pic == VXWORKS_PIC)
+ as_bad (_("Non-PIC jump used in PIC library"));
else
abort ();
case M_SCD_AB:
s = "scd";
goto st;
+ case M_CACHE_AB:
+ s = "cache";
+ goto st;
case M_SDC1_AB:
if (mips_opts.arch == CPU_R4650)
{
|| mask == M_L_DAB
|| mask == M_S_DAB)
fmt = "T,o(b)";
+ else if (mask == M_CACHE_AB)
+ fmt = "k,o(b)";
else if (coproc)
fmt = "E,o(b)";
else
if (HAVE_32BIT_ADDRESSES
&& !IS_SEXT_32BIT_NUM (offset_expr.X_add_number))
- as_bad (_("Number (0x%lx%08lx) larger than 32 bits"),
- (unsigned long) (offset_expr.X_add_number >> 32),
- (unsigned long) (offset_expr.X_add_number & 0xffffffff));
+ {
+ char value [32];
+
+ sprintf_vma (value, offset_expr.X_add_number);
+ as_bad (_("Number (0x%s) larger than 32 bits"), value);
+ }
/* A constant expression in PIC code can be handled just as it
is in non PIC code. */
relax_end ();
}
}
- else if (mips_pic == SVR4_PIC && ! mips_big_got)
+ else if (!mips_big_got)
{
int lw_reloc_type = (int) BFD_RELOC_MIPS_GOT16;
tempreg, tempreg, breg);
macro_build (&expr1, s, fmt, treg, BFD_RELOC_LO16, tempreg);
}
- else if (mips_pic == SVR4_PIC && ! HAVE_NEWABI)
+ else if (mips_big_got && !HAVE_NEWABI)
{
int gpdelay;
tempreg, tempreg, breg);
macro_build (&expr1, s, fmt, treg, BFD_RELOC_LO16, tempreg);
}
- else if (mips_pic == SVR4_PIC && HAVE_NEWABI)
+ else if (mips_big_got && HAVE_NEWABI)
{
/* If this is a reference to an external symbol, we want
lui $tempreg,<sym> (BFD_RELOC_MIPS_GOT_HI16)
macro_build_lui (&offset_expr, AT);
used_at = 1;
}
- else if (mips_pic == SVR4_PIC)
+ else
{
macro_build (&offset_expr, ADDRESS_LOAD_INSN, "t,o(b)", AT,
BFD_RELOC_MIPS_GOT16, mips_gp_register);
used_at = 1;
}
- else
- abort ();
/* Now we load the register(s). */
if (HAVE_64BIT_GPRS)
{
assert (strcmp (s, RDATA_SECTION_NAME) == 0);
used_at = 1;
- if (mips_pic == SVR4_PIC)
+ if (mips_pic != NO_PIC)
macro_build (&offset_expr, ADDRESS_LOAD_INSN, "t,o(b)", AT,
BFD_RELOC_MIPS_GOT16, mips_gp_register);
else
if (HAVE_32BIT_ADDRESSES
&& !IS_SEXT_32BIT_NUM (offset_expr.X_add_number))
- as_bad (_("Number (0x%lx%08lx) larger than 32 bits"),
- (unsigned long) (offset_expr.X_add_number >> 32),
- (unsigned long) (offset_expr.X_add_number & 0xffffffff));
+ {
+ char value [32];
+
+ sprintf_vma (value, offset_expr.X_add_number);
+ as_bad (_("Number (0x%s) larger than 32 bits"), value);
+ }
/* Even on a big endian machine $fn comes before $fn+1. We have
to adjust when loading from memory. We set coproc if we must
if (mips_relax.sequence)
relax_end ();
}
- else if (mips_pic == SVR4_PIC && ! mips_big_got)
+ else if (!mips_big_got)
{
/* If this is a reference to an external symbol, we want
lw $at,<sym>($gp) (BFD_RELOC_MIPS_GOT16)
mips_optimize = hold_mips_optimize;
}
- else if (mips_pic == SVR4_PIC)
+ else if (mips_big_got)
{
int gpdelay;
case '+':
switch (c = *p++)
{
+ case '1': USE_BITS (OP_MASK_UDI1, OP_SH_UDI1); break;
+ case '2': USE_BITS (OP_MASK_UDI2, OP_SH_UDI2); break;
+ case '3': USE_BITS (OP_MASK_UDI3, OP_SH_UDI3); break;
+ case '4': USE_BITS (OP_MASK_UDI4, OP_SH_UDI4); break;
case 'A': USE_BITS (OP_MASK_SHAMT, OP_SH_SHAMT); break;
case 'B': USE_BITS (OP_MASK_INSMSB, OP_SH_INSMSB); break;
case 'C': USE_BITS (OP_MASK_EXTMSBD, OP_SH_EXTMSBD); break;
case 'G': USE_BITS (OP_MASK_EXTMSBD, OP_SH_EXTMSBD); break;
case 'H': USE_BITS (OP_MASK_EXTMSBD, OP_SH_EXTMSBD); break;
case 'I': break;
+ case 't': USE_BITS (OP_MASK_RT, OP_SH_RT); break;
+ case 'T': USE_BITS (OP_MASK_RT, OP_SH_RT);
+ USE_BITS (OP_MASK_SEL, OP_SH_SEL); break;
default:
as_bad (_("internal: bad mips opcode (unknown extension operand type `+%c'): %s %s"),
c, opc->name, opc->args);
case '%': USE_BITS (OP_MASK_VECALIGN, OP_SH_VECALIGN); break;
case '[': break;
case ']': break;
+ case '3': USE_BITS (OP_MASK_SA3, OP_SH_SA3); break;
+ case '4': USE_BITS (OP_MASK_SA4, OP_SH_SA4); break;
+ case '5': USE_BITS (OP_MASK_IMM8, OP_SH_IMM8); break;
+ case '6': USE_BITS (OP_MASK_RS, OP_SH_RS); break;
+ case '7': USE_BITS (OP_MASK_DSPACC, OP_SH_DSPACC); break;
+ case '8': USE_BITS (OP_MASK_WRDSP, OP_SH_WRDSP); break;
+ case '9': USE_BITS (OP_MASK_DSPACC_S, OP_SH_DSPACC_S);break;
+ case '0': USE_BITS (OP_MASK_DSPSFT, OP_SH_DSPSFT); break;
+ case '\'': USE_BITS (OP_MASK_RDDSP, OP_SH_RDDSP); break;
+ case ':': USE_BITS (OP_MASK_DSPSFT_7, OP_SH_DSPSFT_7);break;
+ case '@': USE_BITS (OP_MASK_IMM10, OP_SH_IMM10); break;
+ case '!': USE_BITS (OP_MASK_MT_U, OP_SH_MT_U); break;
+ case '$': USE_BITS (OP_MASK_MT_H, OP_SH_MT_H); break;
+ case '*': USE_BITS (OP_MASK_MTACC_T, OP_SH_MTACC_T); break;
+ case '&': USE_BITS (OP_MASK_MTACC_D, OP_SH_MTACC_D); break;
+ case 'g': USE_BITS (OP_MASK_RD, OP_SH_RD); break;
default:
as_bad (_("internal: bad mips opcode (unknown operand type `%c'): %s %s"),
c, opc->name, opc->args);
return 1;
}
+/* UDI immediates. */
+struct mips_immed {
+ char type;
+ unsigned int shift;
+ unsigned long mask;
+ const char * desc;
+};
+
+static const struct mips_immed mips_immed[] = {
+ { '1', OP_SH_UDI1, OP_MASK_UDI1, 0},
+ { '2', OP_SH_UDI2, OP_MASK_UDI2, 0},
+ { '3', OP_SH_UDI3, OP_MASK_UDI3, 0},
+ { '4', OP_SH_UDI4, OP_MASK_UDI4, 0},
+ { 0,0,0,0 }
+};
+
+/* Check whether an odd floating-point register is allowed. */
+static int
+mips_oddfpreg_ok (const struct mips_opcode *insn, int argnum)
+{
+ const char *s = insn->name;
+
+ if (insn->pinfo == INSN_MACRO)
+ /* Let a macro pass, we'll catch it later when it is expanded. */
+ return 1;
+
+ if (ISA_HAS_ODD_SINGLE_FPR (mips_opts.isa))
+ {
+ /* Allow odd registers for single-precision ops. */
+ switch (insn->pinfo & (FP_S | FP_D))
+ {
+ case FP_S:
+ case 0:
+ return 1; /* both single precision - ok */
+ case FP_D:
+ return 0; /* both double precision - fail */
+ default:
+ break;
+ }
+
+ /* Cvt.w.x and cvt.x.w allow an odd register for a 'w' or 's' operand. */
+ s = strchr (insn->name, '.');
+ if (argnum == 2)
+ s = s != NULL ? strchr (s + 1, '.') : NULL;
+ return (s != NULL && (s[1] == 'w' || s[1] == 's'));
+ }
+
+ /* Single-precision coprocessor loads and moves are OK too. */
+ if ((insn->pinfo & FP_S)
+ && (insn->pinfo & (INSN_COPROC_MEMORY_DELAY | INSN_STORE_MEMORY
+ | INSN_LOAD_COPROC_DELAY | INSN_COPROC_MOVE_DELAY)))
+ return 1;
+
+ return 0;
+}
+
/* This routine assembles an instruction into its binary format. As a
side effect, it sets one of the global variables imm_reloc or
offset_reloc to the type of relocation to do if one of the operands
unsigned int limlo, limhi;
char *s_reset;
char save_c = 0;
+ offsetT min_range, max_range;
+ int argnum;
+ unsigned int rtype;
insn_error = NULL;
if (OPCODE_IS_MEMBER (insn,
(mips_opts.isa
+ /* We don't check for mips_opts.mips16 here since
+ we want to allow jalx if -mips16 was specified
+ on the command line. */
| (file_ase_mips16 ? INSN_MIPS16 : 0)
| (mips_opts.ase_mdmx ? INSN_MDMX : 0)
- | (mips_opts.ase_mips3d ? INSN_MIPS3D : 0)),
+ | (mips_opts.ase_dsp ? INSN_DSP : 0)
+ | (mips_opts.ase_mt ? INSN_MT : 0)
+ | (mips_opts.ase_mips3d ? INSN_MIPS3D : 0)
+ | (mips_opts.ase_smartmips ? INSN_SMARTMIPS : 0)),
mips_opts.arch))
ok = TRUE;
else
create_insn (ip, insn);
insn_error = NULL;
+ argnum = 1;
for (args = insn->args;; ++args)
{
int is_mdmx;
return;
break;
+ case '3': /* dsp 3-bit unsigned immediate in bit 21 */
+ my_getExpression (&imm_expr, s);
+ check_absolute_expr (ip, &imm_expr);
+ if (imm_expr.X_add_number & ~OP_MASK_SA3)
+ {
+ as_warn (_("DSP immediate not in range 0..%d (%lu)"),
+ OP_MASK_SA3, (unsigned long) imm_expr.X_add_number);
+ imm_expr.X_add_number &= OP_MASK_SA3;
+ }
+ ip->insn_opcode |= imm_expr.X_add_number << OP_SH_SA3;
+ imm_expr.X_op = O_absent;
+ s = expr_end;
+ continue;
+
+ case '4': /* dsp 4-bit unsigned immediate in bit 21 */
+ my_getExpression (&imm_expr, s);
+ check_absolute_expr (ip, &imm_expr);
+ if (imm_expr.X_add_number & ~OP_MASK_SA4)
+ {
+ as_warn (_("DSP immediate not in range 0..%d (%lu)"),
+ OP_MASK_SA4, (unsigned long) imm_expr.X_add_number);
+ imm_expr.X_add_number &= OP_MASK_SA4;
+ }
+ ip->insn_opcode |= imm_expr.X_add_number << OP_SH_SA4;
+ imm_expr.X_op = O_absent;
+ s = expr_end;
+ continue;
+
+ case '5': /* dsp 8-bit unsigned immediate in bit 16 */
+ my_getExpression (&imm_expr, s);
+ check_absolute_expr (ip, &imm_expr);
+ if (imm_expr.X_add_number & ~OP_MASK_IMM8)
+ {
+ as_warn (_("DSP immediate not in range 0..%d (%lu)"),
+ OP_MASK_IMM8, (unsigned long) imm_expr.X_add_number);
+ imm_expr.X_add_number &= OP_MASK_IMM8;
+ }
+ ip->insn_opcode |= imm_expr.X_add_number << OP_SH_IMM8;
+ imm_expr.X_op = O_absent;
+ s = expr_end;
+ continue;
+
+ case '6': /* dsp 5-bit unsigned immediate in bit 21 */
+ my_getExpression (&imm_expr, s);
+ check_absolute_expr (ip, &imm_expr);
+ if (imm_expr.X_add_number & ~OP_MASK_RS)
+ {
+ as_warn (_("DSP immediate not in range 0..%d (%lu)"),
+ OP_MASK_RS, (unsigned long) imm_expr.X_add_number);
+ imm_expr.X_add_number &= OP_MASK_RS;
+ }
+ ip->insn_opcode |= imm_expr.X_add_number << OP_SH_RS;
+ imm_expr.X_op = O_absent;
+ s = expr_end;
+ continue;
+
+ case '7': /* four dsp accumulators in bits 11,12 */
+ if (s[0] == '$' && s[1] == 'a' && s[2] == 'c' &&
+ s[3] >= '0' && s[3] <= '3')
+ {
+ regno = s[3] - '0';
+ s += 4;
+ ip->insn_opcode |= regno << OP_SH_DSPACC;
+ continue;
+ }
+ else
+ as_bad (_("Invalid dsp acc register"));
+ break;
+
+ case '8': /* dsp 6-bit unsigned immediate in bit 11 */
+ my_getExpression (&imm_expr, s);
+ check_absolute_expr (ip, &imm_expr);
+ if (imm_expr.X_add_number & ~OP_MASK_WRDSP)
+ {
+ as_warn (_("DSP immediate not in range 0..%d (%lu)"),
+ OP_MASK_WRDSP,
+ (unsigned long) imm_expr.X_add_number);
+ imm_expr.X_add_number &= OP_MASK_WRDSP;
+ }
+ ip->insn_opcode |= imm_expr.X_add_number << OP_SH_WRDSP;
+ imm_expr.X_op = O_absent;
+ s = expr_end;
+ continue;
+
+ case '9': /* four dsp accumulators in bits 21,22 */
+ if (s[0] == '$' && s[1] == 'a' && s[2] == 'c' &&
+ s[3] >= '0' && s[3] <= '3')
+ {
+ regno = s[3] - '0';
+ s += 4;
+ ip->insn_opcode |= regno << OP_SH_DSPACC_S;
+ continue;
+ }
+ else
+ as_bad (_("Invalid dsp acc register"));
+ break;
+
+ case '0': /* dsp 6-bit signed immediate in bit 20 */
+ my_getExpression (&imm_expr, s);
+ check_absolute_expr (ip, &imm_expr);
+ min_range = -((OP_MASK_DSPSFT + 1) >> 1);
+ max_range = ((OP_MASK_DSPSFT + 1) >> 1) - 1;
+ if (imm_expr.X_add_number < min_range ||
+ imm_expr.X_add_number > max_range)
+ {
+ as_warn (_("DSP immediate not in range %ld..%ld (%ld)"),
+ (long) min_range, (long) max_range,
+ (long) imm_expr.X_add_number);
+ }
+ imm_expr.X_add_number &= OP_MASK_DSPSFT;
+ ip->insn_opcode |= ((unsigned long) imm_expr.X_add_number
+ << OP_SH_DSPSFT);
+ imm_expr.X_op = O_absent;
+ s = expr_end;
+ continue;
+
+ case '\'': /* dsp 6-bit unsigned immediate in bit 16 */
+ my_getExpression (&imm_expr, s);
+ check_absolute_expr (ip, &imm_expr);
+ if (imm_expr.X_add_number & ~OP_MASK_RDDSP)
+ {
+ as_warn (_("DSP immediate not in range 0..%d (%lu)"),
+ OP_MASK_RDDSP,
+ (unsigned long) imm_expr.X_add_number);
+ imm_expr.X_add_number &= OP_MASK_RDDSP;
+ }
+ ip->insn_opcode |= imm_expr.X_add_number << OP_SH_RDDSP;
+ imm_expr.X_op = O_absent;
+ s = expr_end;
+ continue;
+
+ case ':': /* dsp 7-bit signed immediate in bit 19 */
+ my_getExpression (&imm_expr, s);
+ check_absolute_expr (ip, &imm_expr);
+ min_range = -((OP_MASK_DSPSFT_7 + 1) >> 1);
+ max_range = ((OP_MASK_DSPSFT_7 + 1) >> 1) - 1;
+ if (imm_expr.X_add_number < min_range ||
+ imm_expr.X_add_number > max_range)
+ {
+ as_warn (_("DSP immediate not in range %ld..%ld (%ld)"),
+ (long) min_range, (long) max_range,
+ (long) imm_expr.X_add_number);
+ }
+ imm_expr.X_add_number &= OP_MASK_DSPSFT_7;
+ ip->insn_opcode |= ((unsigned long) imm_expr.X_add_number
+ << OP_SH_DSPSFT_7);
+ imm_expr.X_op = O_absent;
+ s = expr_end;
+ continue;
+
+ case '@': /* dsp 10-bit signed immediate in bit 16 */
+ my_getExpression (&imm_expr, s);
+ check_absolute_expr (ip, &imm_expr);
+ min_range = -((OP_MASK_IMM10 + 1) >> 1);
+ max_range = ((OP_MASK_IMM10 + 1) >> 1) - 1;
+ if (imm_expr.X_add_number < min_range ||
+ imm_expr.X_add_number > max_range)
+ {
+ as_warn (_("DSP immediate not in range %ld..%ld (%ld)"),
+ (long) min_range, (long) max_range,
+ (long) imm_expr.X_add_number);
+ }
+ imm_expr.X_add_number &= OP_MASK_IMM10;
+ ip->insn_opcode |= ((unsigned long) imm_expr.X_add_number
+ << OP_SH_IMM10);
+ imm_expr.X_op = O_absent;
+ s = expr_end;
+ continue;
+
+ case '!': /* mt 1-bit unsigned immediate in bit 5 */
+ my_getExpression (&imm_expr, s);
+ check_absolute_expr (ip, &imm_expr);
+ if (imm_expr.X_add_number & ~OP_MASK_MT_U)
+ {
+ as_warn (_("MT immediate not in range 0..%d (%lu)"),
+ OP_MASK_MT_U, (unsigned long) imm_expr.X_add_number);
+ imm_expr.X_add_number &= OP_MASK_MT_U;
+ }
+ ip->insn_opcode |= imm_expr.X_add_number << OP_SH_MT_U;
+ imm_expr.X_op = O_absent;
+ s = expr_end;
+ continue;
+
+ case '$': /* mt 1-bit unsigned immediate in bit 4 */
+ my_getExpression (&imm_expr, s);
+ check_absolute_expr (ip, &imm_expr);
+ if (imm_expr.X_add_number & ~OP_MASK_MT_H)
+ {
+ as_warn (_("MT immediate not in range 0..%d (%lu)"),
+ OP_MASK_MT_H, (unsigned long) imm_expr.X_add_number);
+ imm_expr.X_add_number &= OP_MASK_MT_H;
+ }
+ ip->insn_opcode |= imm_expr.X_add_number << OP_SH_MT_H;
+ imm_expr.X_op = O_absent;
+ s = expr_end;
+ continue;
+
+ case '*': /* four dsp accumulators in bits 18,19 */
+ if (s[0] == '$' && s[1] == 'a' && s[2] == 'c' &&
+ s[3] >= '0' && s[3] <= '3')
+ {
+ regno = s[3] - '0';
+ s += 4;
+ ip->insn_opcode |= regno << OP_SH_MTACC_T;
+ continue;
+ }
+ else
+ as_bad (_("Invalid dsp/smartmips acc register"));
+ break;
+
+ case '&': /* four dsp accumulators in bits 13,14 */
+ if (s[0] == '$' && s[1] == 'a' && s[2] == 'c' &&
+ s[3] >= '0' && s[3] <= '3')
+ {
+ regno = s[3] - '0';
+ s += 4;
+ ip->insn_opcode |= regno << OP_SH_MTACC_D;
+ continue;
+ }
+ else
+ as_bad (_("Invalid dsp/smartmips acc register"));
+ break;
+
case ',':
if (*s++ == *args)
continue;
case '+': /* Opcode extension character. */
switch (*++args)
{
+ case '1': /* UDI immediates. */
+ case '2':
+ case '3':
+ case '4':
+ {
+ const struct mips_immed *imm = mips_immed;
+
+ while (imm->type && imm->type != *args)
+ ++imm;
+ if (! imm->type)
+ internalError ();
+ my_getExpression (&imm_expr, s);
+ check_absolute_expr (ip, &imm_expr);
+ if ((unsigned long) imm_expr.X_add_number & ~imm->mask)
+ {
+ as_warn (_("Illegal %s number (%lu, 0x%lx)"),
+ imm->desc ? imm->desc : ip->insn_mo->name,
+ (unsigned long) imm_expr.X_add_number,
+ (unsigned long) imm_expr.X_add_number);
+ imm_expr.X_add_number &= imm->mask;
+ }
+ ip->insn_opcode |= ((unsigned long) imm_expr.X_add_number
+ << imm->shift);
+ imm_expr.X_op = O_absent;
+ s = expr_end;
+ }
+ continue;
+
case 'A': /* ins/ext position, becomes LSB. */
limlo = 0;
limhi = 31;
s = expr_end;
continue;
- default:
- as_bad (_("internal: bad mips opcode (unknown extension operand type `+%c'): %s %s"),
- *args, insn->name, insn->args);
- /* Further processing is fruitless. */
- return;
- }
- break;
+ case 'T': /* Coprocessor register. */
+ /* +T is for disassembly only; never match. */
+ break;
- case '<': /* must be at least one digit */
- /*
- * According to the manual, if the shift amount is greater
- * than 31 or less than 0, then the shift amount should be
- * mod 32. In reality the mips assembler issues an error.
- * We issue a warning and mask out all but the low 5 bits.
- */
- my_getExpression (&imm_expr, s);
- check_absolute_expr (ip, &imm_expr);
- if ((unsigned long) imm_expr.X_add_number > 31)
- as_warn (_("Improper shift amount (%lu)"),
+ case 't': /* Coprocessor register number. */
+ if (s[0] == '$' && ISDIGIT (s[1]))
+ {
+ ++s;
+ regno = 0;
+ do
+ {
+ regno *= 10;
+ regno += *s - '0';
+ ++s;
+ }
+ while (ISDIGIT (*s));
+ if (regno > 31)
+ as_bad (_("Invalid register number (%d)"), regno);
+ else
+ {
+ ip->insn_opcode |= regno << OP_SH_RT;
+ continue;
+ }
+ }
+ else
+ as_bad (_("Invalid coprocessor 0 register number"));
+ break;
+
+ default:
+ as_bad (_("internal: bad mips opcode (unknown extension operand type `+%c'): %s %s"),
+ *args, insn->name, insn->args);
+ /* Further processing is fruitless. */
+ return;
+ }
+ break;
+
+ case '<': /* must be at least one digit */
+ /*
+ * According to the manual, if the shift amount is greater
+ * than 31 or less than 0, then the shift amount should be
+ * mod 32. In reality the mips assembler issues an error.
+ * We issue a warning and mask out all but the low 5 bits.
+ */
+ my_getExpression (&imm_expr, s);
+ check_absolute_expr (ip, &imm_expr);
+ if ((unsigned long) imm_expr.X_add_number > 31)
+ as_warn (_("Improper shift amount (%lu)"),
(unsigned long) imm_expr.X_add_number);
INSERT_OPERAND (SHAMT, *ip, imm_expr.X_add_number);
imm_expr.X_op = O_absent;
s = expr_end;
continue;
- case 'P': /* Performance register */
+ case 'P': /* Performance register. */
my_getExpression (&imm_expr, s);
check_absolute_expr (ip, &imm_expr);
if (imm_expr.X_add_number != 0 && imm_expr.X_add_number != 1)
s = expr_end;
continue;
+ case 'G': /* Coprocessor destination register. */
+ if (((ip->insn_opcode >> OP_SH_OP) & OP_MASK_OP) == OP_OP_COP0)
+ ok = reg_lookup (&s, RTYPE_NUM | RTYPE_CP0, ®no);
+ else
+ ok = reg_lookup (&s, RTYPE_NUM | RTYPE_GP, ®no);
+ ip->insn_opcode |= regno << OP_SH_RD;
+ if (ok)
+ {
+ lastregno = regno;
+ continue;
+ }
+ else
+ break;
+
case 'b': /* base register */
case 'd': /* destination register */
case 's': /* source register */
case 'v': /* both dest and source */
case 'w': /* both dest and target */
case 'E': /* coprocessor target register */
- case 'G': /* coprocessor destination register */
case 'K': /* 'rdhwr' destination register */
case 'x': /* ignore register name */
case 'z': /* must be zero register */
case 'U': /* destination register (clo/clz). */
- s_reset = s;
- if (s[0] == '$')
+ case 'g': /* coprocessor destination register */
+ s_reset = s;
+ if (*args == 'E' || *args == 'K')
+ ok = reg_lookup (&s, RTYPE_NUM, ®no);
+ else
+ {
+ ok = reg_lookup (&s, RTYPE_NUM | RTYPE_GP, ®no);
+ if (regno == AT && ! mips_opts.noat)
+ as_warn ("Used $at without \".set noat\"");
+ }
+ if (ok)
{
-
- if (ISDIGIT (s[1]))
- {
- ++s;
- regno = 0;
- do
- {
- regno *= 10;
- regno += *s - '0';
- ++s;
- }
- while (ISDIGIT (*s));
- if (regno > 31)
- as_bad (_("Invalid register number (%d)"), regno);
- }
- else if (*args == 'E' || *args == 'G' || *args == 'K')
- goto notreg;
- else
- {
- if (s[1] == 'r' && s[2] == 'a')
- {
- s += 3;
- regno = RA;
- }
- else if (s[1] == 'f' && s[2] == 'p')
- {
- s += 3;
- regno = FP;
- }
- else if (s[1] == 's' && s[2] == 'p')
- {
- s += 3;
- regno = SP;
- }
- else if (s[1] == 'g' && s[2] == 'p')
- {
- s += 3;
- regno = GP;
- }
- else if (s[1] == 'a' && s[2] == 't')
- {
- s += 3;
- regno = AT;
- }
- else if (s[1] == 'k' && s[2] == 't' && s[3] == '0')
- {
- s += 4;
- regno = KT0;
- }
- else if (s[1] == 'k' && s[2] == 't' && s[3] == '1')
- {
- s += 4;
- regno = KT1;
- }
- else if (s[1] == 'z' && s[2] == 'e' && s[3] == 'r' && s[4] == 'o')
- {
- s += 5;
- regno = ZERO;
- }
- else if (itbl_have_entries)
- {
- char *p, *n;
- unsigned long r;
-
- p = s + 1; /* advance past '$' */
- n = itbl_get_field (&p); /* n is name */
-
- /* See if this is a register defined in an
- itbl entry. */
- if (itbl_get_reg_val (n, &r))
- {
- /* Get_field advances to the start of
- the next field, so we need to back
- rack to the end of the last field. */
- if (p)
- s = p - 1;
- else
- s = strchr (s, '\0');
- regno = r;
- }
- else
- goto notreg;
- }
- else
- goto notreg;
- }
- if (regno == AT
- && ! mips_opts.noat
- && *args != 'E'
- && *args != 'G'
- && *args != 'K')
- as_warn (_("Used $at without \".set noat\""));
c = *args;
if (*s == ' ')
++s;
case 'd':
case 'G':
case 'K':
+ case 'g':
INSERT_OPERAND (RD, *ip, regno);
break;
case 'U':
lastregno = regno;
continue;
}
- notreg:
switch (*args++)
{
case 'r':
case 'R': /* floating point source register */
case 'V':
case 'W':
+ rtype = RTYPE_FPU;
+ if (is_mdmx
+ || (mips_opts.ase_mdmx
+ && (ip->insn_mo->pinfo & FP_D)
+ && (ip->insn_mo->pinfo & (INSN_COPROC_MOVE_DELAY
+ | INSN_COPROC_MEMORY_DELAY
+ | INSN_LOAD_COPROC_DELAY
+ | INSN_LOAD_MEMORY_DELAY
+ | INSN_STORE_MEMORY))))
+ rtype |= RTYPE_VEC;
s_reset = s;
- /* Accept $fN for FP and MDMX register numbers, and in
- addition accept $vN for MDMX register numbers. */
- if ((s[0] == '$' && s[1] == 'f' && ISDIGIT (s[2]))
- || (is_mdmx != 0 && s[0] == '$' && s[1] == 'v'
- && ISDIGIT (s[2])))
+ if (reg_lookup (&s, rtype, ®no))
{
- s += 2;
- regno = 0;
- do
- {
- regno *= 10;
- regno += *s - '0';
- ++s;
- }
- while (ISDIGIT (*s));
-
- if (regno > 31)
- as_bad (_("Invalid float register number (%d)"), regno);
-
if ((regno & 1) != 0
&& HAVE_32BIT_FPRS
- && ! (strcmp (str, "mtc1") == 0
- || strcmp (str, "mfc1") == 0
- || strcmp (str, "lwc1") == 0
- || strcmp (str, "swc1") == 0
- || strcmp (str, "l.s") == 0
- || strcmp (str, "s.s") == 0))
+ && ! mips_oddfpreg_ok (ip->insn_mo, argnum))
as_warn (_("Float register should be even, was %d"),
regno);
case 'N': /* 3 bit branch condition code */
case 'M': /* 3 bit compare condition code */
- if (strncmp (s, "$fcc", 4) != 0)
+ rtype = RTYPE_CCC;
+ if (ip->insn_mo->pinfo & (FP_D| FP_S))
+ rtype |= RTYPE_FCC;
+ if (!reg_lookup (&s, rtype, ®no))
break;
- s += 4;
- regno = 0;
- do
- {
- regno *= 10;
- regno += *s - '0';
- ++s;
- }
- while (ISDIGIT (*s));
- if (regno > 7)
- as_bad (_("Invalid condition code register $fcc%d"), regno);
if ((strcmp(str + strlen(str) - 3, ".ps") == 0
|| strcmp(str + strlen(str) - 5, "any2f") == 0
|| strcmp(str + strlen(str) - 5, "any2t") == 0)
}
}
+#define SKIP_SPACE_TABS(S) { while (*(S) == ' ' || *(S) == '\t') ++(S); }
+
/* This routine assembles an instruction into its binary format when
assembling for the mips16. As a side effect, it sets one of the
global variables imm_reloc or offset_reloc to the type of
argsstart = s;
for (;;)
{
+ bfd_boolean ok;
+
assert (strcmp (insn->name, str) == 0);
+ if (OPCODE_IS_MEMBER (insn, mips_opts.isa, mips_opts.arch))
+ ok = TRUE;
+ else
+ ok = FALSE;
+
+ if (! ok)
+ {
+ if (insn + 1 < &mips16_opcodes[bfd_mips16_num_opcodes]
+ && strcmp (insn->name, insn[1].name) == 0)
+ {
+ ++insn;
+ continue;
+ }
+ else
+ {
+ if (!insn_error)
+ {
+ static char buf[100];
+ sprintf (buf,
+ _("opcode not supported on this processor: %s (%s)"),
+ mips_cpu_info_from_arch (mips_opts.arch)->name,
+ mips_cpu_info_from_isa (mips_opts.isa)->name);
+ insn_error = buf;
+ }
+ return;
+ }
+ }
+
create_insn (ip, insn);
imm_expr.X_op = O_absent;
imm_reloc[0] = BFD_RELOC_UNUSED;
case 'R':
case 'X':
case 'Y':
- if (s[0] != '$')
- break;
- s_reset = s;
- if (ISDIGIT (s[1]))
- {
- ++s;
- regno = 0;
- do
- {
- regno *= 10;
- regno += *s - '0';
- ++s;
- }
- while (ISDIGIT (*s));
- if (regno > 31)
- {
- as_bad (_("invalid register number (%d)"), regno);
- regno = 2;
- }
- }
- else
+ s_reset = s;
+ if (!reg_lookup (&s, RTYPE_NUM | RTYPE_GP, ®no))
{
- if (s[1] == 'r' && s[2] == 'a')
- {
- s += 3;
- regno = RA;
- }
- else if (s[1] == 'f' && s[2] == 'p')
- {
- s += 3;
- regno = FP;
- }
- else if (s[1] == 's' && s[2] == 'p')
- {
- s += 3;
- regno = SP;
- }
- else if (s[1] == 'g' && s[2] == 'p')
- {
- s += 3;
- regno = GP;
- }
- else if (s[1] == 'a' && s[2] == 't')
- {
- s += 3;
- regno = AT;
- }
- else if (s[1] == 'k' && s[2] == 't' && s[3] == '0')
- {
- s += 4;
- regno = KT0;
- }
- else if (s[1] == 'k' && s[2] == 't' && s[3] == '1')
- {
- s += 4;
- regno = KT1;
- }
- else if (s[1] == 'z' && s[2] == 'e' && s[3] == 'r' && s[4] == 'o')
+ if (c == 'v' || c == 'w')
{
- s += 5;
- regno = ZERO;
+ if (c == 'v')
+ ip->insn_opcode |= lastregno << MIPS16OP_SH_RX;
+ else
+ ip->insn_opcode |= lastregno << MIPS16OP_SH_RY;
+ ++args;
+ continue;
}
- else
- break;
+ break;
}
if (*s == ' ')
mask = 7 << 3;
while (*s != '\0')
{
- int freg, reg1, reg2;
+ unsigned int freg, reg1, reg2;
while (*s == ' ' || *s == ',')
++s;
- if (*s != '$')
- {
- as_bad (_("can't parse register list"));
- break;
- }
- ++s;
- if (*s != 'f')
+ if (reg_lookup (&s, RTYPE_GP | RTYPE_NUM, ®1))
freg = 0;
+ else if (reg_lookup (&s, RTYPE_FPU, ®1))
+ freg = 1;
else
{
- freg = 1;
- ++s;
- }
- reg1 = 0;
- while (ISDIGIT (*s))
- {
- reg1 *= 10;
- reg1 += *s - '0';
- ++s;
+ as_bad (_("can't parse register list"));
+ break;
}
if (*s == ' ')
++s;
else
{
++s;
- if (*s != '$')
- break;
- ++s;
- if (freg)
- {
- if (*s == 'f')
- ++s;
- else
- {
- as_bad (_("invalid register list"));
- break;
- }
- }
- reg2 = 0;
- while (ISDIGIT (*s))
+ if (!reg_lookup (&s, freg ? RTYPE_FPU
+ : (RTYPE_GP | RTYPE_NUM), ®2))
{
- reg2 *= 10;
- reg2 += *s - '0';
- ++s;
+ as_bad (_("invalid register list"));
+ break;
}
}
if (freg && reg1 == 0 && reg2 == 0 && c == 'L')
}
continue;
+ case 'm': /* Register list for save insn. */
+ case 'M': /* Register list for restore insn. */
+ {
+ int opcode = 0;
+ int framesz = 0, seen_framesz = 0;
+ int args = 0, statics = 0, sregs = 0;
+
+ while (*s != '\0')
+ {
+ unsigned int reg1, reg2;
+
+ SKIP_SPACE_TABS (s);
+ while (*s == ',')
+ ++s;
+ SKIP_SPACE_TABS (s);
+
+ my_getExpression (&imm_expr, s);
+ if (imm_expr.X_op == O_constant)
+ {
+ /* Handle the frame size. */
+ if (seen_framesz)
+ {
+ as_bad (_("more than one frame size in list"));
+ break;
+ }
+ seen_framesz = 1;
+ framesz = imm_expr.X_add_number;
+ imm_expr.X_op = O_absent;
+ s = expr_end;
+ continue;
+ }
+
+ if (! reg_lookup (&s, RTYPE_GP | RTYPE_NUM, ®1))
+ {
+ as_bad (_("can't parse register list"));
+ break;
+ }
+
+ while (*s == ' ')
+ ++s;
+
+ if (*s != '-')
+ reg2 = reg1;
+ else
+ {
+ ++s;
+ if (! reg_lookup (&s, RTYPE_GP | RTYPE_NUM, ®2)
+ || reg2 < reg1)
+ {
+ as_bad (_("can't parse register list"));
+ break;
+ }
+ }
+
+ while (reg1 <= reg2)
+ {
+ if (reg1 >= 4 && reg1 <= 7)
+ {
+ if (c == 'm' && !seen_framesz)
+ /* args $a0-$a3 */
+ args |= 1 << (reg1 - 4);
+ else
+ /* statics $a0-$a3 */
+ statics |= 1 << (reg1 - 4);
+ }
+ else if ((reg1 >= 16 && reg1 <= 23) || reg1 == 30)
+ {
+ /* $s0-$s8 */
+ sregs |= 1 << ((reg1 == 30) ? 8 : (reg1 - 16));
+ }
+ else if (reg1 == 31)
+ {
+ /* Add $ra to insn. */
+ opcode |= 0x40;
+ }
+ else
+ {
+ as_bad (_("unexpected register in list"));
+ break;
+ }
+ if (++reg1 == 24)
+ reg1 = 30;
+ }
+ }
+
+ /* Encode args/statics combination. */
+ if (args & statics)
+ as_bad (_("arg/static registers overlap"));
+ else if (args == 0xf)
+ /* All $a0-$a3 are args. */
+ opcode |= MIPS16_ALL_ARGS << 16;
+ else if (statics == 0xf)
+ /* All $a0-$a3 are statics. */
+ opcode |= MIPS16_ALL_STATICS << 16;
+ else
+ {
+ int narg = 0, nstat = 0;
+
+ /* Count arg registers. */
+ while (args & 0x1)
+ {
+ args >>= 1;
+ narg++;
+ }
+ if (args != 0)
+ as_bad (_("invalid arg register list"));
+
+ /* Count static registers. */
+ while (statics & 0x8)
+ {
+ statics = (statics << 1) & 0xf;
+ nstat++;
+ }
+ if (statics != 0)
+ as_bad (_("invalid static register list"));
+
+ /* Encode args/statics. */
+ opcode |= ((narg << 2) | nstat) << 16;
+ }
+
+ /* Encode $s0/$s1. */
+ if (sregs & (1 << 0)) /* $s0 */
+ opcode |= 0x20;
+ if (sregs & (1 << 1)) /* $s1 */
+ opcode |= 0x10;
+ sregs >>= 2;
+
+ if (sregs != 0)
+ {
+ /* Count regs $s2-$s8. */
+ int nsreg = 0;
+ while (sregs & 1)
+ {
+ sregs >>= 1;
+ nsreg++;
+ }
+ if (sregs != 0)
+ as_bad (_("invalid static register list"));
+ /* Encode $s2-$s8. */
+ opcode |= nsreg << 24;
+ }
+
+ /* Encode frame size. */
+ if (!seen_framesz)
+ as_bad (_("missing frame size"));
+ else if ((framesz & 7) != 0 || framesz < 0
+ || framesz > 0xff * 8)
+ as_bad (_("invalid frame size"));
+ else if (framesz != 128 || (opcode >> 16) != 0)
+ {
+ framesz /= 8;
+ opcode |= (((framesz & 0xf0) << 16)
+ | (framesz & 0x0f));
+ }
+
+ /* Finally build the instruction. */
+ if ((opcode >> 16) != 0 || framesz == 0)
+ {
+ ip->use_extend = TRUE;
+ ip->extend = opcode >> 16;
+ }
+ ip->insn_opcode |= opcode & 0x7f;
+ }
+ continue;
+
case 'e': /* extend code */
my_getExpression (&imm_expr, s);
check_absolute_expr (ip, &imm_expr);
{"mdmx", no_argument, NULL, OPTION_MDMX},
#define OPTION_NO_MDMX (OPTION_ASE_BASE + 5)
{"no-mdmx", no_argument, NULL, OPTION_NO_MDMX},
+#define OPTION_DSP (OPTION_ASE_BASE + 6)
+ {"mdsp", no_argument, NULL, OPTION_DSP},
+#define OPTION_NO_DSP (OPTION_ASE_BASE + 7)
+ {"mno-dsp", no_argument, NULL, OPTION_NO_DSP},
+#define OPTION_MT (OPTION_ASE_BASE + 8)
+ {"mmt", no_argument, NULL, OPTION_MT},
+#define OPTION_NO_MT (OPTION_ASE_BASE + 9)
+ {"mno-mt", no_argument, NULL, OPTION_NO_MT},
+#define OPTION_SMARTMIPS (OPTION_ASE_BASE + 10)
+ {"msmartmips", no_argument, NULL, OPTION_SMARTMIPS},
+#define OPTION_NO_SMARTMIPS (OPTION_ASE_BASE + 11)
+ {"mno-smartmips", no_argument, NULL, OPTION_NO_SMARTMIPS},
/* Old-style architecture options. Don't add more of these. */
-#define OPTION_COMPAT_ARCH_BASE (OPTION_ASE_BASE + 6)
+#define OPTION_COMPAT_ARCH_BASE (OPTION_ASE_BASE + 12)
#define OPTION_M4650 (OPTION_COMPAT_ARCH_BASE + 0)
{"m4650", no_argument, NULL, OPTION_M4650},
#define OPTION_NO_M4650 (OPTION_COMPAT_ARCH_BASE + 1)
{"mpdr", no_argument, NULL, OPTION_PDR},
#define OPTION_NO_PDR (OPTION_ELF_BASE + 10)
{"mno-pdr", no_argument, NULL, OPTION_NO_PDR},
+#define OPTION_MVXWORKS_PIC (OPTION_ELF_BASE + 11)
+ {"mvxworks-pic", no_argument, NULL, OPTION_MVXWORKS_PIC},
#endif /* OBJ_ELF */
{NULL, no_argument, NULL, 0}
mips_opts.ase_mdmx = 0;
break;
+ case OPTION_DSP:
+ mips_opts.ase_dsp = 1;
+ break;
+
+ case OPTION_NO_DSP:
+ mips_opts.ase_dsp = 0;
+ break;
+
+ case OPTION_MT:
+ mips_opts.ase_mt = 1;
+ break;
+
+ case OPTION_NO_MT:
+ mips_opts.ase_mt = 0;
+ break;
+
case OPTION_MIPS16:
mips_opts.mips16 = 1;
mips_no_prev_insn ();
mips_opts.ase_mips3d = 0;
break;
+ case OPTION_SMARTMIPS:
+ mips_opts.ase_smartmips = 1;
+ break;
+
+ case OPTION_NO_SMARTMIPS:
+ mips_opts.ase_smartmips = 0;
+ break;
+
case OPTION_FIX_VR4120:
mips_fix_vr4120 = 1;
break;
}
mips_pic = SVR4_PIC;
mips_abicalls = TRUE;
- if (g_switch_seen && g_switch_value != 0)
- {
- as_bad (_("-G may not be used with SVR4 PIC code"));
- return 0;
- }
- g_switch_value = 0;
break;
case OPTION_NON_SHARED:
mips_abicalls = FALSE;
break;
- /* The -xgot option tells the assembler to use 32 offsets when
- accessing the got in SVR4_PIC mode. It is for Irix
+ /* The -xgot option tells the assembler to use 32 bit offsets
+ when accessing the got in SVR4_PIC mode. It is for Irix
compatibility. */
case OPTION_XGOT:
mips_big_got = 1;
case 'G':
g_switch_value = atoi (arg);
g_switch_seen = 1;
- if (mips_pic == SVR4_PIC && g_switch_value != 0)
- {
- as_bad (_("-G may not be used with SVR4 PIC code"));
- return 0;
- }
break;
#ifdef OBJ_ELF
case OPTION_NO_PDR:
mips_flag_pdr = FALSE;
break;
+
+ case OPTION_MVXWORKS_PIC:
+ mips_pic = VXWORKS_PIC;
+ break;
#endif /* OBJ_ELF */
default:
|| !ISA_HAS_64BIT_REGS (mips_opts.isa));
}
- /* ??? GAS treats single-float processors as though they had 64-bit
- float registers (although it complains when double-precision
- instructions are used). As things stand, saying they have 32-bit
- registers would lead to spurious "register must be even" messages.
- So here we assume float registers are always the same size as
- integer ones, unless the user says otherwise. */
- if (file_mips_fp32 < 0)
- file_mips_fp32 = file_mips_gp32;
+ switch (file_mips_fp32)
+ {
+ default:
+ case -1:
+ /* No user specified float register size.
+ ??? GAS treats single-float processors as though they had 64-bit
+ float registers (although it complains when double-precision
+ instructions are used). As things stand, saying they have 32-bit
+ registers would lead to spurious "register must be even" messages.
+ So here we assume float registers are never smaller than the
+ integer ones. */
+ if (file_mips_gp32 == 0)
+ /* 64-bit integer registers implies 64-bit float registers. */
+ file_mips_fp32 = 0;
+ else if ((mips_opts.ase_mips3d > 0 || mips_opts.ase_mdmx > 0)
+ && ISA_HAS_64BIT_FPRS (mips_opts.isa))
+ /* -mips3d and -mdmx imply 64-bit float registers, if possible. */
+ file_mips_fp32 = 0;
+ else
+ /* 32-bit float registers. */
+ file_mips_fp32 = 1;
+ break;
+
+ /* The user specified the size of the float registers. Check if it
+ agrees with the ABI and ISA. */
+ case 0:
+ if (!ISA_HAS_64BIT_FPRS (mips_opts.isa))
+ as_bad (_("-mfp64 used with a 32-bit fpu"));
+ else if (ABI_NEEDS_32BIT_REGS (mips_abi)
+ && !ISA_HAS_MXHC1 (mips_opts.isa))
+ as_warn (_("-mfp64 used with a 32-bit ABI"));
+ break;
+ case 1:
+ if (ABI_NEEDS_64BIT_REGS (mips_abi))
+ as_warn (_("-mfp32 used with a 64-bit ABI"));
+ break;
+ }
/* End of GCC-shared inference code. */
if (mips_opts.mips16 == -1)
mips_opts.mips16 = (CPU_HAS_MIPS16 (file_mips_arch)) ? 1 : 0;
if (mips_opts.ase_mips3d == -1)
- mips_opts.ase_mips3d = (CPU_HAS_MIPS3D (file_mips_arch)) ? 1 : 0;
+ mips_opts.ase_mips3d = ((CPU_HAS_MIPS3D (file_mips_arch)
+ || (arch_info->flags & MIPS_CPU_ASE_MIPS3D))
+ && file_mips_fp32 == 0) ? 1 : 0;
+ if (mips_opts.ase_mips3d && file_mips_fp32 == 1)
+ as_bad (_("-mfp32 used with -mips3d"));
+
if (mips_opts.ase_mdmx == -1)
- mips_opts.ase_mdmx = (CPU_HAS_MDMX (file_mips_arch)) ? 1 : 0;
+ mips_opts.ase_mdmx = ((CPU_HAS_MDMX (file_mips_arch)
+ || (arch_info->flags & MIPS_CPU_ASE_MDMX))
+ && file_mips_fp32 == 0) ? 1 : 0;
+ if (mips_opts.ase_mdmx && file_mips_fp32 == 1)
+ as_bad (_("-mfp32 used with -mdmx"));
+
+ if (mips_opts.ase_smartmips == -1)
+ mips_opts.ase_smartmips = (arch_info->flags & MIPS_CPU_ASE_SMARTMIPS) ? 1 : 0;
+ if (mips_opts.ase_smartmips && !ISA_SUPPORTS_SMARTMIPS)
+ as_warn ("%s ISA does not support SmartMIPS",
+ mips_cpu_info_from_isa (mips_opts.isa)->name);
+
+ if (mips_opts.ase_dsp == -1)
+ mips_opts.ase_dsp = (arch_info->flags & MIPS_CPU_ASE_DSP) ? 1 : 0;
+ if (mips_opts.ase_dsp && !ISA_SUPPORTS_DSP_ASE)
+ as_warn ("%s ISA does not support DSP ASE",
+ mips_cpu_info_from_isa (mips_opts.isa)->name);
+
+ if (mips_opts.ase_mt == -1)
+ mips_opts.ase_mt = (arch_info->flags & MIPS_CPU_ASE_MT) ? 1 : 0;
+ if (mips_opts.ase_mt && !ISA_SUPPORTS_MT_ASE)
+ as_warn ("%s ISA does not support MT ASE",
+ mips_cpu_info_from_isa (mips_opts.isa)->name);
file_mips_isa = mips_opts.isa;
file_ase_mips16 = mips_opts.mips16;
file_ase_mips3d = mips_opts.ase_mips3d;
file_ase_mdmx = mips_opts.ase_mdmx;
+ file_ase_smartmips = mips_opts.ase_smartmips;
+ file_ase_dsp = mips_opts.ase_dsp;
+ file_ase_mt = mips_opts.ase_mt;
mips_opts.gp32 = file_mips_gp32;
mips_opts.fp32 = file_mips_fp32;
}
/* Sort any unmatched HI16 and GOT16 relocs so that they immediately precede
- the corresponding LO16 reloc. This is called before md_apply_fix3 and
+ the corresponding LO16 reloc. This is called before md_apply_fix and
tc_gen_reloc. Unmatched relocs can only be generated by use of explicit
relocation operators.
return 0;
}
-/* This hook is called before a fix is simplified. We don't really
- decide whether to skip a fix here. Rather, we turn global symbols
- used as branch targets into local symbols, such that they undergo
- simplification. We can only do this if the symbol is defined and
- it is in the same section as the branch. If this doesn't hold, we
- emit a better error message than just saying the relocation is not
- valid for the selected object format.
-
- FIXP is the fix-up we're going to try to simplify, SEG is the
- segment in which the fix up occurs. The return value should be
- non-zero to indicate the fix-up is valid for further
- simplifications. */
-
-int
-mips_validate_fix (struct fix *fixP, asection *seg)
-{
- /* There's a lot of discussion on whether it should be possible to
- use R_MIPS_PC16 to represent branch relocations. The outcome
- seems to be that it can, but gas/bfd are very broken in creating
- RELA relocations for this, so for now we only accept branches to
- symbols in the same section. Anything else is of dubious value,
- since there's no guarantee that at link time the symbol would be
- in range. Even for branches to local symbols this is arguably
- wrong, since it we assume the symbol is not going to be
- overridden, which should be possible per ELF library semantics,
- but then, there isn't a dynamic relocation that could be used to
- this effect, and the target would likely be out of range as well.
-
- Unfortunately, it seems that there is too much code out there
- that relies on branches to symbols that are global to be resolved
- as if they were local, like the IRIX tools do, so we do it as
- well, but with a warning so that people are reminded to fix their
- code. If we ever get back to using R_MIPS_PC16 for branch
- targets, this entire block should go away (and probably the
- whole function). */
-
- if (fixP->fx_r_type == BFD_RELOC_16_PCREL_S2
- && ((OUTPUT_FLAVOR == bfd_target_ecoff_flavour
- || OUTPUT_FLAVOR == bfd_target_elf_flavour)
- || bfd_reloc_type_lookup (stdoutput, BFD_RELOC_16_PCREL_S2) == NULL)
- && fixP->fx_addsy)
- {
- if (! S_IS_DEFINED (fixP->fx_addsy))
- {
- as_bad_where (fixP->fx_file, fixP->fx_line,
- _("Cannot branch to undefined symbol."));
- /* Avoid any further errors about this fixup. */
- fixP->fx_done = 1;
- }
- else if (S_GET_SEGMENT (fixP->fx_addsy) != seg)
- {
- as_bad_where (fixP->fx_file, fixP->fx_line,
- _("Cannot branch to symbol in another section."));
- fixP->fx_done = 1;
- }
- else if (S_IS_EXTERNAL (fixP->fx_addsy))
- {
- symbolS *sym = fixP->fx_addsy;
-
- if (mips_pic == SVR4_PIC)
- as_warn_where (fixP->fx_file, fixP->fx_line,
- _("Pretending global symbol used as branch target is local."));
-
- fixP->fx_addsy = symbol_create (S_GET_NAME (sym),
- S_GET_SEGMENT (sym),
- S_GET_VALUE (sym),
- symbol_get_frag (sym));
- copy_symbol_attributes (fixP->fx_addsy, sym);
- S_CLEAR_EXTERNAL (fixP->fx_addsy);
- assert (symbol_resolved_p (sym));
- symbol_mark_resolved (fixP->fx_addsy);
- }
- }
-
- return 1;
-}
-
/* Apply a fixup to the object file. */
void
-md_apply_fix3 (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
+md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
{
bfd_byte *buf;
long insn;
buf = (bfd_byte *) (fixP->fx_frag->fr_literal + fixP->fx_where);
- assert (! fixP->fx_pcrel);
+ assert (! fixP->fx_pcrel || fixP->fx_r_type == BFD_RELOC_16_PCREL_S2);
/* Don't treat parts of a composite relocation as done. There are two
reasons for this:
constants. The easiest way of dealing with the pathological
exceptions is to generate a relocation against STN_UNDEF and
leave everything up to the linker. */
- if (fixP->fx_addsy == NULL && fixP->fx_tcbit == 0)
+ if (fixP->fx_addsy == NULL && ! fixP->fx_pcrel && fixP->fx_tcbit == 0)
fixP->fx_done = 1;
switch (fixP->fx_r_type)
case BFD_RELOC_MIPS16_GPREL:
case BFD_RELOC_MIPS16_HI16:
case BFD_RELOC_MIPS16_HI16_S:
- assert (! fixP->fx_pcrel);
/* Nothing needed to do. The value comes from the reloc entry */
break;
case BFD_RELOC_16_PCREL_S2:
if ((*valP & 0x3) != 0)
as_bad_where (fixP->fx_file, fixP->fx_line,
- _("Branch to odd address (%lx)"), (long) *valP);
+ _("Branch to misaligned address (%lx)"), (long) *valP);
/*
* We need to save the bits in the instruction since fixup_segment()
There's nothing really harmful in this, since bfd will correct
SHT_PROGBITS to SHT_MIPS_DWARF before writing out the file. But it
- means that, for backwards compatibiltiy, the special_section entries
+ means that, for backwards compatibility, the special_section entries
for dwarf sections must use SHT_PROGBITS rather than SHT_MIPS_DWARF.
Even so, we shouldn't force users of the MIPS .section syntax to
symbolS *symbolP;
flagword flag;
- name = input_line_pointer;
- c = get_symbol_end ();
- symbolP = symbol_find_or_make (name);
- *input_line_pointer = c;
- SKIP_WHITESPACE ();
-
- /* On Irix 5, every global symbol that is not explicitly labelled as
- being a function is apparently labelled as being an object. */
- flag = BSF_OBJECT;
-
- if (! is_end_of_line[(unsigned char) *input_line_pointer])
+ do
{
- char *secname;
- asection *sec;
-
- secname = input_line_pointer;
+ name = input_line_pointer;
c = get_symbol_end ();
- sec = bfd_get_section_by_name (stdoutput, secname);
- if (sec == NULL)
- as_bad (_("%s: no such section"), secname);
+ symbolP = symbol_find_or_make (name);
+ S_SET_EXTERNAL (symbolP);
+
*input_line_pointer = c;
+ SKIP_WHITESPACE ();
- if (sec != NULL && (sec->flags & SEC_CODE) != 0)
- flag = BSF_FUNCTION;
- }
+ /* On Irix 5, every global symbol that is not explicitly labelled as
+ being a function is apparently labelled as being an object. */
+ flag = BSF_OBJECT;
+
+ if (!is_end_of_line[(unsigned char) *input_line_pointer]
+ && (*input_line_pointer != ','))
+ {
+ char *secname;
+ asection *sec;
+
+ secname = input_line_pointer;
+ c = get_symbol_end ();
+ sec = bfd_get_section_by_name (stdoutput, secname);
+ if (sec == NULL)
+ as_bad (_("%s: no such section"), secname);
+ *input_line_pointer = c;
+
+ if (sec != NULL && (sec->flags & SEC_CODE) != 0)
+ flag = BSF_FUNCTION;
+ }
+
+ symbol_get_bfdsym (symbolP)->flags |= flag;
- symbol_get_bfdsym (symbolP)->flags |= flag;
+ c = *input_line_pointer;
+ if (c == ',')
+ {
+ input_line_pointer++;
+ SKIP_WHITESPACE ();
+ if (is_end_of_line[(unsigned char) *input_line_pointer])
+ c = '\n';
+ }
+ }
+ while (c == ',');
- S_SET_EXTERNAL (symbolP);
demand_empty_rest_of_line ();
}
{
mips_opts.nobopt = 1;
}
+ else if (strcmp (name, "gp=default") == 0)
+ mips_opts.gp32 = file_mips_gp32;
+ else if (strcmp (name, "gp=32") == 0)
+ mips_opts.gp32 = 1;
+ else if (strcmp (name, "gp=64") == 0)
+ {
+ if (!ISA_HAS_64BIT_REGS (mips_opts.isa))
+ as_warn ("%s isa does not support 64-bit registers",
+ mips_cpu_info_from_isa (mips_opts.isa)->name);
+ mips_opts.gp32 = 0;
+ }
+ else if (strcmp (name, "fp=default") == 0)
+ mips_opts.fp32 = file_mips_fp32;
+ else if (strcmp (name, "fp=32") == 0)
+ mips_opts.fp32 = 1;
+ else if (strcmp (name, "fp=64") == 0)
+ {
+ if (!ISA_HAS_64BIT_FPRS (mips_opts.isa))
+ as_warn ("%s isa does not support 64-bit floating point registers",
+ mips_cpu_info_from_isa (mips_opts.isa)->name);
+ mips_opts.fp32 = 0;
+ }
else if (strcmp (name, "mips16") == 0
|| strcmp (name, "MIPS-16") == 0)
mips_opts.mips16 = 1;
else if (strcmp (name, "nomips16") == 0
|| strcmp (name, "noMIPS-16") == 0)
mips_opts.mips16 = 0;
+ else if (strcmp (name, "smartmips") == 0)
+ {
+ if (!ISA_SUPPORTS_SMARTMIPS)
+ as_warn ("%s ISA does not support SmartMIPS ASE",
+ mips_cpu_info_from_isa (mips_opts.isa)->name);
+ mips_opts.ase_smartmips = 1;
+ }
+ else if (strcmp (name, "nosmartmips") == 0)
+ mips_opts.ase_smartmips = 0;
else if (strcmp (name, "mips3d") == 0)
mips_opts.ase_mips3d = 1;
else if (strcmp (name, "nomips3d") == 0)
mips_opts.ase_mdmx = 1;
else if (strcmp (name, "nomdmx") == 0)
mips_opts.ase_mdmx = 0;
+ else if (strcmp (name, "dsp") == 0)
+ {
+ if (!ISA_SUPPORTS_DSP_ASE)
+ as_warn ("%s ISA does not support DSP ASE",
+ mips_cpu_info_from_isa (mips_opts.isa)->name);
+ mips_opts.ase_dsp = 1;
+ }
+ else if (strcmp (name, "nodsp") == 0)
+ mips_opts.ase_dsp = 0;
+ else if (strcmp (name, "mt") == 0)
+ {
+ if (!ISA_SUPPORTS_MT_ASE)
+ as_warn ("%s ISA does not support MT ASE",
+ mips_cpu_info_from_isa (mips_opts.isa)->name);
+ mips_opts.ase_mt = 1;
+ }
+ else if (strcmp (name, "nomt") == 0)
+ mips_opts.ase_mt = 0;
else if (strncmp (name, "mips", 4) == 0 || strncmp (name, "arch=", 5) == 0)
{
int reset = 0;
int
tc_get_register (int frame)
{
- int reg;
+ unsigned int reg;
SKIP_WHITESPACE ();
- if (*input_line_pointer++ != '$')
- {
- as_warn (_("expected `$'"));
- reg = ZERO;
- }
- else if (ISDIGIT (*input_line_pointer))
- {
- reg = get_absolute_expression ();
- if (reg < 0 || reg >= 32)
- {
- as_warn (_("Bad register number"));
- reg = ZERO;
- }
- }
- else
- {
- if (strncmp (input_line_pointer, "ra", 2) == 0)
- {
- reg = RA;
- input_line_pointer += 2;
- }
- else if (strncmp (input_line_pointer, "fp", 2) == 0)
- {
- reg = FP;
- input_line_pointer += 2;
- }
- else if (strncmp (input_line_pointer, "sp", 2) == 0)
- {
- reg = SP;
- input_line_pointer += 2;
- }
- else if (strncmp (input_line_pointer, "gp", 2) == 0)
- {
- reg = GP;
- input_line_pointer += 2;
- }
- else if (strncmp (input_line_pointer, "at", 2) == 0)
- {
- reg = AT;
- input_line_pointer += 2;
- }
- else if (strncmp (input_line_pointer, "kt0", 3) == 0)
- {
- reg = KT0;
- input_line_pointer += 3;
- }
- else if (strncmp (input_line_pointer, "kt1", 3) == 0)
- {
- reg = KT1;
- input_line_pointer += 3;
- }
- else if (strncmp (input_line_pointer, "zero", 4) == 0)
- {
- reg = ZERO;
- input_line_pointer += 4;
- }
- else
- {
- as_warn (_("Unrecognized register name"));
- reg = ZERO;
- while (ISALNUM(*input_line_pointer))
- input_line_pointer++;
- }
- }
+ if (! reg_lookup (&input_line_pointer, RWARN | RTYPE_NUM | RTYPE_GP, ®))
+ reg = 0;
if (frame)
{
mips_frame_reg = reg != 0 ? reg : SP;
change = nopic_need_relax (fragp->fr_symbol, 0);
else if (mips_pic == SVR4_PIC)
change = pic_need_relax (fragp->fr_symbol, segtype);
+ else if (mips_pic == VXWORKS_PIC)
+ /* For vxworks, GOT16 relocations never have a corresponding LO16. */
+ change = 0;
else
abort ();
*reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
- assert (! fixp->fx_pcrel);
- reloc->addend = fixp->fx_addnumber;
+ if (fixp->fx_pcrel)
+ {
+ assert (fixp->fx_r_type == BFD_RELOC_16_PCREL_S2);
+
+ /* At this point, fx_addnumber is "symbol offset - pcrel address".
+ Relocations want only the symbol offset. */
+ reloc->addend = fixp->fx_addnumber + reloc->address;
+ if (OUTPUT_FLAVOR != bfd_target_elf_flavour)
+ {
+ /* A gruesome hack which is a result of the gruesome gas
+ reloc handling. What's worse, for COFF (as opposed to
+ ECOFF), we might need yet another copy of reloc->address.
+ See bfd_install_relocation. */
+ reloc->addend += reloc->address;
+ }
+ }
+ else
+ reloc->addend = fixp->fx_addnumber;
/* Since the old MIPS ELF ABI uses Rel instead of Rela, encode the vtable
entry to be used in the relocation's section offset. */
code = fixp->fx_r_type;
- /* To support a PC relative reloc, we used a Cygnus extension.
- We check for that here to make sure that we don't let such a
- reloc escape normally. (FIXME: This was formerly used by
- embedded-PIC support, but is now used by branch handling in
- general. That probably should be fixed.) */
- if ((OUTPUT_FLAVOR == bfd_target_ecoff_flavour
- || OUTPUT_FLAVOR == bfd_target_elf_flavour)
- && code == BFD_RELOC_16_PCREL_S2)
- reloc->howto = NULL;
- else
- reloc->howto = bfd_reloc_type_lookup (stdoutput, code);
-
+ reloc->howto = bfd_reloc_type_lookup (stdoutput, code);
if (reloc->howto == NULL)
{
as_bad_where (fixp->fx_file, fixp->fx_line,
exp.X_add_number = fragp->fr_offset;
fixp = fix_new_exp (fragp, buf - (bfd_byte *)fragp->fr_literal,
- 4, &exp, 1,
- BFD_RELOC_16_PCREL_S2);
+ 4, &exp, 1, BFD_RELOC_16_PCREL_S2);
fixp->fx_file = fragp->fr_file;
fixp->fx_line = fragp->fr_line;
l->label = sym;
l->next = insn_labels;
insn_labels = l;
+
+#ifdef OBJ_ELF
+ dwarf2_emit_label (sym);
+#endif
}
\f
#if defined (OBJ_ELF) || defined (OBJ_MAYBE_ELF)
elf_elfheader (stdoutput)->e_flags |= EF_MIPS_CPIC;
/* Set MIPS ELF flags for ASEs. */
+ /* We may need to define a new flag for DSP ASE, and set this flag when
+ file_ase_dsp is true. */
+ /* We may need to define a new flag for MT ASE, and set this flag when
+ file_ase_mt is true. */
if (file_ase_mips16)
elf_elfheader (stdoutput)->e_flags |= EF_MIPS_ARCH_ASE_M16;
#if 0 /* XXX FIXME */
if (mips_32bitmode)
elf_elfheader (stdoutput)->e_flags |= EF_MIPS_32BITMODE;
+
+#if 0 /* XXX FIXME */
+ /* 32 bit code with 64 bit FP registers. */
+ if (!file_mips_fp32 && ABI_NEEDS_32BIT_REGS (mips_abi))
+ elf_elfheader (stdoutput)->e_flags |= ???;
+#endif
}
#endif /* OBJ_ELF || OBJ_MAYBE_ELF */
static const struct mips_cpu_info mips_cpu_info_table[] =
{
/* Entries for generic ISAs */
- { "mips1", 1, ISA_MIPS1, CPU_R3000 },
- { "mips2", 1, ISA_MIPS2, CPU_R6000 },
- { "mips3", 1, ISA_MIPS3, CPU_R4000 },
- { "mips4", 1, ISA_MIPS4, CPU_R8000 },
- { "mips5", 1, ISA_MIPS5, CPU_MIPS5 },
- { "mips32", 1, ISA_MIPS32, CPU_MIPS32 },
- { "mips32r2", 1, ISA_MIPS32R2, CPU_MIPS32R2 },
- { "mips64", 1, ISA_MIPS64, CPU_MIPS64 },
- { "mips64r2", 1, ISA_MIPS64R2, CPU_MIPS64R2 },
+ { "mips1", MIPS_CPU_IS_ISA, ISA_MIPS1, CPU_R3000 },
+ { "mips2", MIPS_CPU_IS_ISA, ISA_MIPS2, CPU_R6000 },
+ { "mips3", MIPS_CPU_IS_ISA, ISA_MIPS3, CPU_R4000 },
+ { "mips4", MIPS_CPU_IS_ISA, ISA_MIPS4, CPU_R8000 },
+ { "mips5", MIPS_CPU_IS_ISA, ISA_MIPS5, CPU_MIPS5 },
+ { "mips32", MIPS_CPU_IS_ISA, ISA_MIPS32, CPU_MIPS32 },
+ { "mips32r2", MIPS_CPU_IS_ISA, ISA_MIPS32R2, CPU_MIPS32R2 },
+ { "mips64", MIPS_CPU_IS_ISA, ISA_MIPS64, CPU_MIPS64 },
+ { "mips64r2", MIPS_CPU_IS_ISA, ISA_MIPS64R2, CPU_MIPS64R2 },
/* MIPS I */
- { "r3000", 0, ISA_MIPS1, CPU_R3000 },
- { "r2000", 0, ISA_MIPS1, CPU_R3000 },
- { "r3900", 0, ISA_MIPS1, CPU_R3900 },
+ { "r3000", 0, ISA_MIPS1, CPU_R3000 },
+ { "r2000", 0, ISA_MIPS1, CPU_R3000 },
+ { "r3900", 0, ISA_MIPS1, CPU_R3900 },
/* MIPS II */
- { "r6000", 0, ISA_MIPS2, CPU_R6000 },
+ { "r6000", 0, ISA_MIPS2, CPU_R6000 },
/* MIPS III */
- { "r4000", 0, ISA_MIPS3, CPU_R4000 },
- { "r4010", 0, ISA_MIPS2, CPU_R4010 },
- { "vr4100", 0, ISA_MIPS3, CPU_VR4100 },
- { "vr4111", 0, ISA_MIPS3, CPU_R4111 },
- { "vr4120", 0, ISA_MIPS3, CPU_VR4120 },
- { "vr4130", 0, ISA_MIPS3, CPU_VR4120 },
- { "vr4181", 0, ISA_MIPS3, CPU_R4111 },
- { "vr4300", 0, ISA_MIPS3, CPU_R4300 },
- { "r4400", 0, ISA_MIPS3, CPU_R4400 },
- { "r4600", 0, ISA_MIPS3, CPU_R4600 },
- { "orion", 0, ISA_MIPS3, CPU_R4600 },
- { "r4650", 0, ISA_MIPS3, CPU_R4650 },
+ { "r4000", 0, ISA_MIPS3, CPU_R4000 },
+ { "r4010", 0, ISA_MIPS2, CPU_R4010 },
+ { "vr4100", 0, ISA_MIPS3, CPU_VR4100 },
+ { "vr4111", 0, ISA_MIPS3, CPU_R4111 },
+ { "vr4120", 0, ISA_MIPS3, CPU_VR4120 },
+ { "vr4130", 0, ISA_MIPS3, CPU_VR4120 },
+ { "vr4181", 0, ISA_MIPS3, CPU_R4111 },
+ { "vr4300", 0, ISA_MIPS3, CPU_R4300 },
+ { "r4400", 0, ISA_MIPS3, CPU_R4400 },
+ { "r4600", 0, ISA_MIPS3, CPU_R4600 },
+ { "orion", 0, ISA_MIPS3, CPU_R4600 },
+ { "r4650", 0, ISA_MIPS3, CPU_R4650 },
/* MIPS IV */
- { "r8000", 0, ISA_MIPS4, CPU_R8000 },
- { "r10000", 0, ISA_MIPS4, CPU_R10000 },
- { "r12000", 0, ISA_MIPS4, CPU_R12000 },
- { "vr5000", 0, ISA_MIPS4, CPU_R5000 },
- { "vr5400", 0, ISA_MIPS4, CPU_VR5400 },
- { "vr5500", 0, ISA_MIPS4, CPU_VR5500 },
- { "rm5200", 0, ISA_MIPS4, CPU_R5000 },
- { "rm5230", 0, ISA_MIPS4, CPU_R5000 },
- { "rm5231", 0, ISA_MIPS4, CPU_R5000 },
- { "rm5261", 0, ISA_MIPS4, CPU_R5000 },
- { "rm5721", 0, ISA_MIPS4, CPU_R5000 },
- { "rm7000", 0, ISA_MIPS4, CPU_RM7000 },
- { "rm9000", 0, ISA_MIPS4, CPU_RM9000 },
+ { "r8000", 0, ISA_MIPS4, CPU_R8000 },
+ { "r10000", 0, ISA_MIPS4, CPU_R10000 },
+ { "r12000", 0, ISA_MIPS4, CPU_R12000 },
+ { "vr5000", 0, ISA_MIPS4, CPU_R5000 },
+ { "vr5400", 0, ISA_MIPS4, CPU_VR5400 },
+ { "vr5500", 0, ISA_MIPS4, CPU_VR5500 },
+ { "rm5200", 0, ISA_MIPS4, CPU_R5000 },
+ { "rm5230", 0, ISA_MIPS4, CPU_R5000 },
+ { "rm5231", 0, ISA_MIPS4, CPU_R5000 },
+ { "rm5261", 0, ISA_MIPS4, CPU_R5000 },
+ { "rm5721", 0, ISA_MIPS4, CPU_R5000 },
+ { "rm7000", 0, ISA_MIPS4, CPU_RM7000 },
+ { "rm9000", 0, ISA_MIPS4, CPU_RM9000 },
/* MIPS 32 */
- { "4kc", 0, ISA_MIPS32, CPU_MIPS32 },
- { "4km", 0, ISA_MIPS32, CPU_MIPS32 },
- { "4kp", 0, ISA_MIPS32, CPU_MIPS32 },
+ { "4kc", 0, ISA_MIPS32, CPU_MIPS32 },
+ { "4km", 0, ISA_MIPS32, CPU_MIPS32 },
+ { "4kp", 0, ISA_MIPS32, CPU_MIPS32 },
+ { "4ksc", MIPS_CPU_ASE_SMARTMIPS, ISA_MIPS32, CPU_MIPS32 },
+
+ /* MIPS 32 Release 2 */
+ { "4kec", 0, ISA_MIPS32R2, CPU_MIPS32R2 },
+ { "4kem", 0, ISA_MIPS32R2, CPU_MIPS32R2 },
+ { "4kep", 0, ISA_MIPS32R2, CPU_MIPS32R2 },
+ { "4ksd", MIPS_CPU_ASE_SMARTMIPS, ISA_MIPS32R2, CPU_MIPS32R2 },
+ { "m4k", 0, ISA_MIPS32R2, CPU_MIPS32R2 },
+ { "m4kp", 0, ISA_MIPS32R2, CPU_MIPS32R2 },
+ { "24k", 0, ISA_MIPS32R2, CPU_MIPS32R2 },
+ { "24kc", 0, ISA_MIPS32R2, CPU_MIPS32R2 },
+ { "24kf", 0, ISA_MIPS32R2, CPU_MIPS32R2 },
+ { "24kx", 0, ISA_MIPS32R2, CPU_MIPS32R2 },
+ /* 24ke is a 24k with DSP ASE, other ASEs are optional. */
+ { "24ke", MIPS_CPU_ASE_DSP, ISA_MIPS32R2, CPU_MIPS32R2 },
+ { "24kec", MIPS_CPU_ASE_DSP, ISA_MIPS32R2, CPU_MIPS32R2 },
+ { "24kef", MIPS_CPU_ASE_DSP, ISA_MIPS32R2, CPU_MIPS32R2 },
+ { "24kex", MIPS_CPU_ASE_DSP, ISA_MIPS32R2, CPU_MIPS32R2 },
+ /* 34k is a 24k with MT ASE, other ASEs are optional. */
+ { "34kc", MIPS_CPU_ASE_MT, ISA_MIPS32R2, CPU_MIPS32R2 },
+ { "34kf", MIPS_CPU_ASE_MT, ISA_MIPS32R2, CPU_MIPS32R2 },
+ { "34kx", MIPS_CPU_ASE_MT, ISA_MIPS32R2, CPU_MIPS32R2 },
/* MIPS 64 */
- { "5kc", 0, ISA_MIPS64, CPU_MIPS64 },
- { "20kc", 0, ISA_MIPS64, CPU_MIPS64 },
+ { "5kc", 0, ISA_MIPS64, CPU_MIPS64 },
+ { "5kf", 0, ISA_MIPS64, CPU_MIPS64 },
+ { "20kc", MIPS_CPU_ASE_MIPS3D, ISA_MIPS64, CPU_MIPS64 },
+
+ /* MIPS 64 Release 2 */
+ { "25kf", MIPS_CPU_ASE_MIPS3D, ISA_MIPS64R2, CPU_MIPS64R2 },
/* Broadcom SB-1 CPU core */
- { "sb1", 0, ISA_MIPS64, CPU_SB1 },
+ { "sb1", 0, ISA_MIPS64, CPU_SB1 },
/* End marker */
{ NULL, 0, 0, 0 }
int i;
for (i = 0; mips_cpu_info_table[i].name != NULL; i++)
- if (mips_cpu_info_table[i].is_isa
+ if ((mips_cpu_info_table[i].flags & MIPS_CPU_IS_ISA)
&& isa == mips_cpu_info_table[i].isa)
return (&mips_cpu_info_table[i]);
-mips16 generate mips16 instructions\n\
-no-mips16 do not generate mips16 instructions\n"));
fprintf (stream, _("\
+-msmartmips generate smartmips instructions\n\
+-mno-smartmips do not generate smartmips instructions\n"));
+ fprintf (stream, _("\
+-mdsp generate DSP instructions\n\
+-mno-dsp do not generate DSP instructions\n"));
+ fprintf (stream, _("\
+-mmt generate MT instructions\n\
+-mno-mt do not generate MT instructions\n"));
+ fprintf (stream, _("\
-mfix-vr4120 work around certain VR4120 errata\n\
-mfix-vr4130 work around VR4130 mflo/mfhi errata\n\
-mgp32 use 32-bit GPRs, regardless of the chosen ISA\n\
cfi_add_CFA_def_cfa_register (SP);
}
+int
+tc_mips_regname_to_dw2regnum (char *regname)
+{
+ unsigned int regnum = -1;
+ unsigned int reg;
+
+ if (reg_lookup (®name, RTYPE_GP | RTYPE_NUM, ®))
+ regnum = reg;
+
+ return regnum;
+}
projects / deliverable / binutils-gdb.git / blobdiff