static bool reg_names_p = TARGET_REG_NAMES_P;
-static void ppc_macro (char *, const struct powerpc_macro *);
static void ppc_byte (int);
#if defined (OBJ_XCOFF) || defined (OBJ_ELF)
/* Opcode hash table. */
static htab_t ppc_hash;
-/* Macro hash table. */
-static htab_t ppc_macro_hash;
-
#ifdef OBJ_ELF
/* What type of shared library support to use. */
static enum { SHLIB_NONE, SHLIB_PIC, SHLIB_MRELOCATABLE } shlib = SHLIB_NONE;
return false;
}
-/* Insert opcodes and macros into hash tables. Called at startup and
- for .machine pseudo. */
+/* Insert opcodes into hash tables. Called at startup and for
+ .machine pseudo. */
static void
ppc_setup_opcodes (void)
{
const struct powerpc_opcode *op;
const struct powerpc_opcode *op_end;
- const struct powerpc_macro *macro;
- const struct powerpc_macro *macro_end;
bool bad_insn = false;
if (ppc_hash != NULL)
htab_delete (ppc_hash);
- if (ppc_macro_hash != NULL)
- htab_delete (ppc_macro_hash);
/* Insert the opcodes into a hash table. */
ppc_hash = str_htab_create ();
str_hash_insert (ppc_hash, op->name, op, 0);
}
- /* Insert the macros into a hash table. */
- ppc_macro_hash = str_htab_create ();
-
- macro_end = powerpc_macros + powerpc_num_macros;
- for (macro = powerpc_macros; macro < macro_end; macro++)
- if (((macro->flags & ppc_cpu) != 0
- || (ppc_cpu & PPC_OPCODE_ANY) != 0)
- && str_hash_insert (ppc_macro_hash, macro->name, macro, 0) != NULL)
- {
- as_bad (_("duplicate %s"), macro->name);
- bad_insn = true;
- }
-
if (bad_insn)
abort ();
}
opcode = (const struct powerpc_opcode *) str_hash_find (ppc_hash, str);
if (opcode == (const struct powerpc_opcode *) NULL)
{
- const struct powerpc_macro *macro;
-
- macro = (const struct powerpc_macro *) str_hash_find (ppc_macro_hash,
- str);
- if (macro == (const struct powerpc_macro *) NULL)
- as_bad (_("unrecognized opcode: `%s'"), str);
- else
- ppc_macro (s, macro);
-
+ as_bad (_("unrecognized opcode: `%s'"), str);
ppc_clear_labels ();
return;
}
fixP->fx_pcrel_adjust = fixups[i].opindex;
}
}
-
-/* Handle a macro. Gather all the operands, transform them as
- described by the macro, and call md_assemble recursively. All the
- operands are separated by commas; we don't accept parentheses
- around operands here. */
-
-static void
-ppc_macro (char *str, const struct powerpc_macro *macro)
-{
- char *operands[10];
- unsigned int count;
- char *s;
- unsigned int len;
- const char *format;
- unsigned int arg;
- char *send;
- char *complete;
-
- /* Gather the users operands into the operands array. */
- count = 0;
- s = str;
- while (1)
- {
- if (count >= sizeof operands / sizeof operands[0])
- break;
- operands[count++] = s;
- s = strchr (s, ',');
- if (s == (char *) NULL)
- break;
- *s++ = '\0';
- }
-
- if (count != macro->operands)
- {
- as_bad (_("wrong number of operands"));
- return;
- }
-
- /* Work out how large the string must be (the size is unbounded
- because it includes user input). */
- len = 0;
- format = macro->format;
- while (*format != '\0')
- {
- if (*format != '%')
- {
- ++len;
- ++format;
- }
- else
- {
- arg = strtol (format + 1, &send, 10);
- know (send != format && arg < count);
- len += strlen (operands[arg]);
- format = send;
- }
- }
-
- /* Put the string together. */
- complete = s = XNEWVEC (char, len + 1);
- format = macro->format;
- while (*format != '\0')
- {
- if (*format != '%')
- *s++ = *format++;
- else
- {
- arg = strtol (format + 1, &send, 10);
- strcpy (s, operands[arg]);
- s += strlen (s);
- format = send;
- }
- }
- *s = '\0';
-
- /* Assemble the constructed instruction. */
- md_assemble (complete);
- free (complete);
-}
\f
#ifdef OBJ_ELF
/* For ELF, add support for SHT_ORDERED. */
#define PPC_OPERAND_FSL (0x800000)
#define PPC_OPERAND_FCR (0x1000000)
#define PPC_OPERAND_UDI (0x2000000)
-\f
-/* The POWER and PowerPC assemblers use a few macros. We keep them
- with the operands table for simplicity. The macro table is an
- array of struct powerpc_macro. */
-
-struct powerpc_macro
-{
- /* The macro name. */
- const char *name;
-
- /* The number of operands the macro takes. */
- unsigned int operands;
-
- /* One bit flags for the opcode. These are used to indicate which
- specific processors support the instructions. The values are the
- same as those for the struct powerpc_opcode flags field. */
- ppc_cpu_t flags;
-
- /* A format string to turn the macro into a normal instruction.
- Each %N in the string is replaced with operand number N (zero
- based). */
- const char *format;
-};
-
-extern const struct powerpc_macro powerpc_macros[];
-extern const int powerpc_num_macros;
extern ppc_cpu_t ppc_parse_cpu (ppc_cpu_t, ppc_cpu_t *, const char *);
const unsigned int vle_num_opcodes =
sizeof (vle_opcodes) / sizeof (vle_opcodes[0]);
-\f
-/* The macro table. This is only used by the assembler. */
-
-/* The expressions of the form (-x ! 31) & (x | 31) have the value 0
- when x=0; 32-x when x is between 1 and 31; are negative if x is
- negative; and are 32 or more otherwise. This is what you want
- when, for instance, you are emulating a right shift by a
- rotate-left-and-mask, because the underlying instructions support
- shifts of size 0 but not shifts of size 32. By comparison, when
- extracting x bits from some word you want to use just 32-x, because
- the underlying instructions don't support extracting 0 bits but do
- support extracting the whole word (32 bits in this case). */
-
-const struct powerpc_macro powerpc_macros[] = {
-};
-
-const int powerpc_num_macros =
- sizeof (powerpc_macros) / sizeof (powerpc_macros[0]);
/* SPE v2 instruction set from SPE2PIM Rev. 2 08/2011 */
const struct powerpc_opcode spe2_opcodes[] = {
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