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* sparc-opc.c (v8,v6notv9): Add MASK_SPARCLET.

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(sparc_opcode_archs): Add MASK_V8 to sparclet entry.
	(sparc_opcodes): Add sparclet insns.
	(sparclet_cpreg_table): New static local.
	(sparc_{encode,decode}_sparclet_cpreg): New functions.
	* sparc-dis.c (print_insn_sparc): Handle sparclet cpregs.
This commit is contained in:
David Edelsohn
1996-02-21 05:47:27 +00:00
parent 8c3f315e6a
commit 38399547ba
3 changed files with 263 additions and 114 deletions
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40
opcodes/sparc-dis.c
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@@ -21,6 +21,14 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "libiberty.h"
#include <string.h>
/* Bitmask of v9 architectures. */
#define MASK_V9 ((1 << SPARC_OPCODE_ARCH_V9) \
| (1 << SPARC_OPCODE_ARCH_V9A))
/* 1 if INSN is for v9 only. */
#define V9_ONLY_P(insn) (! ((insn)->architecture & ~MASK_V9))
/* 1 if INSN is for v9. */
#define V9_P(insn) (((insn)->architecture & MASK_V9) != 0)
/* For faster lookup, after insns are sorted they are hashed. */
/* ??? I think there is room for even more improvement. */
@@ -195,9 +203,9 @@ print_insn_sparc (memaddr, info)
if (!opcodes_initialized)
{
qsort ((char *) sparc_opcodes, NUMOPCODES,
qsort ((char *) sparc_opcodes, sparc_num_opcodes,
sizeof (sparc_opcodes[0]), compare_opcodes);
build_hash_table (sparc_opcodes, opcode_hash_table, NUMOPCODES);
build_hash_table (sparc_opcodes, opcode_hash_table, sparc_num_opcodes);
opcodes_initialized = 1;
}
@@ -213,9 +221,6 @@ print_insn_sparc (memaddr, info)
insn = bfd_getb32 (buffer);
if (DISASM_RAW_INSN (info))
(*info->fprintf_func) (stream, "0x%08lx\t", insn);
info->insn_info_valid = 1; /* We do return this info */
info->insn_type = dis_nonbranch; /* Assume non branch insn */
info->branch_delay_insns = 0; /* Assume no delay */
@@ -225,14 +230,16 @@ print_insn_sparc (memaddr, info)
{
CONST struct sparc_opcode *opcode = op->opcode;
/* ??? These architecture tests need to be more selective. */
/* If the current architecture isn't sparc64, skip sparc64 insns. */
if (!sparc_v9_p
&& opcode->architecture >= v9)
&& V9_ONLY_P (opcode))
continue;
/* If the current architecture is sparc64, skip sparc32 only insns. */
if (sparc_v9_p
&& (opcode->flags & F_NOTV9))
&& ! V9_P (opcode))
continue;
if ((opcode->match & insn) == opcode->match
@@ -591,6 +598,19 @@ print_insn_sparc (memaddr, info)
case 'y':
(*info->fprintf_func) (stream, "%%y");
break;
case 'u':
case 'U':
{
int val = *s == 'U' ? X_RS1 (insn) : X_RD (insn);
char *name = sparc_decode_sparclet_cpreg (val);
if (name)
(*info->fprintf_func) (stream, "%s", name);
else
(*info->fprintf_func) (stream, "%%cpreg(%d)", val);
break;
}
}
}
}
@@ -667,7 +687,7 @@ print_insn_sparc (memaddr, info)
}
info->insn_type = dis_noninsn; /* Mark as non-valid instruction */
(*info->fprintf_func) (stream, "%#8x", insn);
(*info->fprintf_func) (stream, "unknown");
return sizeof (buffer);
}
@@ -724,8 +744,8 @@ compare_opcodes (a, b)
}
/* Put non-sparc64 insns ahead of sparc64 ones. */
if ((op0->architecture >= v9) != (op1->architecture >= v9))
return (op0->architecture >= v9) - (op1->architecture >= v9);
if (V9_ONLY_P (op0) != V9_ONLY_P (op1))
return V9_ONLY_P (op0) - V9_ONLY_P (op1);
/* They are functionally equal. So as long as the opcode table is
valid, we can put whichever one first we want, on aesthetic grounds. */