X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=opcodes%2Fmt-desc.c;h=85ef4440d7e70400748d77a2f39155b8284bbd69;hb=d835a58baae720abe909795cb68763040d1750a8;hp=90bf110b0d1c1da9c93041ebab17ffa266fac676;hpb=b90efa5b79ac1524ec260f8eb89d1be37e0219a7;p=deliverable%2Fbinutils-gdb.git

diff --git a/opcodes/mt-desc.c b/opcodes/mt-desc.c
index 90bf110b0d..85ef4440d7 100644
--- a/opcodes/mt-desc.c
+++ b/opcodes/mt-desc.c
@@ -1,8 +1,9 @@
+/* DO NOT EDIT!  -*- buffer-read-only: t -*- vi:set ro:  */
 /* CPU data for mt.
 
 THIS FILE IS MACHINE GENERATED WITH CGEN.
 
-Copyright (C) 1996-2015 Free Software Foundation, Inc.
+Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
 This file is part of the GNU Binutils and/or GDB, the GNU debugger.
 
@@ -310,223 +311,223 @@ const CGEN_OPERAND mt_cgen_operand_table[] =
 {
 /* pc: program counter */
   { "pc", MT_OPERAND_PC, HW_H_PC, 0, 0,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_NIL] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_NIL] } },
     { 0|A(SEM_ONLY), { { { (1<<MACH_BASE), 0 } } } }  },
 /* frsr1: register */
   { "frsr1", MT_OPERAND_FRSR1, HW_H_SPR, 23, 4,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_SR1] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_SR1] } },
     { 0|A(ABS_ADDR), { { { (1<<MACH_BASE), 0 } } } }  },
 /* frsr2: register */
   { "frsr2", MT_OPERAND_FRSR2, HW_H_SPR, 19, 4,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_SR2] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_SR2] } },
     { 0|A(ABS_ADDR), { { { (1<<MACH_BASE), 0 } } } }  },
 /* frdr: register */
   { "frdr", MT_OPERAND_FRDR, HW_H_SPR, 19, 4,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_DR] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_DR] } },
     { 0|A(ABS_ADDR), { { { (1<<MACH_BASE), 0 } } } }  },
 /* frdrrr: register */
   { "frdrrr", MT_OPERAND_FRDRRR, HW_H_SPR, 15, 4,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_DRRR] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_DRRR] } },
     { 0|A(ABS_ADDR), { { { (1<<MACH_BASE), 0 } } } }  },
 /* imm16: immediate value - sign extd */
   { "imm16", MT_OPERAND_IMM16, HW_H_SINT, 15, 16,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_IMM16S] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_IMM16S] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* imm16z: immediate value - zero extd */
   { "imm16z", MT_OPERAND_IMM16Z, HW_H_UINT, 15, 16,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_IMM16U] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_IMM16U] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* imm16o: immediate value */
   { "imm16o", MT_OPERAND_IMM16O, HW_H_UINT, 15, 16,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_IMM16S] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_IMM16S] } },
     { 0|A(PCREL_ADDR), { { { (1<<MACH_BASE), 0 } } } }  },
 /* rc: rc */
   { "rc", MT_OPERAND_RC, HW_H_UINT, 15, 1,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_RC] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_RC] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* rcnum: rcnum */
   { "rcnum", MT_OPERAND_RCNUM, HW_H_UINT, 14, 3,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_RCNUM] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_RCNUM] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* contnum: context number */
   { "contnum", MT_OPERAND_CONTNUM, HW_H_UINT, 8, 9,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CONTNUM] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CONTNUM] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* rbbc: omega network configuration */
   { "rbbc", MT_OPERAND_RBBC, HW_H_UINT, 25, 2,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_RBBC] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_RBBC] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* colnum: column number */
   { "colnum", MT_OPERAND_COLNUM, HW_H_UINT, 18, 3,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_COLNUM] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_COLNUM] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* rownum: row number */
   { "rownum", MT_OPERAND_ROWNUM, HW_H_UINT, 14, 3,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_ROWNUM] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_ROWNUM] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* rownum1: row number */
   { "rownum1", MT_OPERAND_ROWNUM1, HW_H_UINT, 12, 3,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_ROWNUM1] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_ROWNUM1] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* rownum2: row number */
   { "rownum2", MT_OPERAND_ROWNUM2, HW_H_UINT, 9, 3,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_ROWNUM2] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_ROWNUM2] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* rc1: rc1 */
   { "rc1", MT_OPERAND_RC1, HW_H_UINT, 11, 1,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_RC1] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_RC1] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* rc2: rc2 */
   { "rc2", MT_OPERAND_RC2, HW_H_UINT, 6, 1,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_RC2] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_RC2] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* cbrb: data-bus orientation */
   { "cbrb", MT_OPERAND_CBRB, HW_H_UINT, 10, 1,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CBRB] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CBRB] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* cell: cell */
   { "cell", MT_OPERAND_CELL, HW_H_UINT, 9, 3,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CELL] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CELL] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* dup: dup */
   { "dup", MT_OPERAND_DUP, HW_H_UINT, 6, 1,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_DUP] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_DUP] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* ctxdisp: context displacement */
   { "ctxdisp", MT_OPERAND_CTXDISP, HW_H_UINT, 5, 6,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CTXDISP] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CTXDISP] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* fbdisp: frame buffer displacement */
   { "fbdisp", MT_OPERAND_FBDISP, HW_H_UINT, 15, 6,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_FBDISP] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_FBDISP] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* type: type */
   { "type", MT_OPERAND_TYPE, HW_H_UINT, 21, 2,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_TYPE] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_TYPE] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* mask: mask */
   { "mask", MT_OPERAND_MASK, HW_H_UINT, 25, 16,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_MASK] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_MASK] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* bankaddr: bank address */
   { "bankaddr", MT_OPERAND_BANKADDR, HW_H_UINT, 25, 13,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_BANKADDR] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_BANKADDR] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* incamt: increment amount */
   { "incamt", MT_OPERAND_INCAMT, HW_H_UINT, 19, 8,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_INCAMT] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_INCAMT] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* xmode: xmode */
   { "xmode", MT_OPERAND_XMODE, HW_H_UINT, 23, 1,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_XMODE] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_XMODE] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* mask1: mask1 */
   { "mask1", MT_OPERAND_MASK1, HW_H_UINT, 22, 3,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_MASK1] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_MASK1] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* ball: b_all */
   { "ball", MT_OPERAND_BALL, HW_H_UINT, 19, 1,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_BALL] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_BALL] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* brc: b_r_c */
   { "brc", MT_OPERAND_BRC, HW_H_UINT, 18, 3,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_BRC] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_BRC] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* rda: rd */
   { "rda", MT_OPERAND_RDA, HW_H_UINT, 25, 1,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_RDA] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_RDA] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* wr: wr */
   { "wr", MT_OPERAND_WR, HW_H_UINT, 24, 1,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_WR] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_WR] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* ball2: b_all2 */
   { "ball2", MT_OPERAND_BALL2, HW_H_UINT, 15, 1,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_BALL2] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_BALL2] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* brc2: b_r_c2 */
   { "brc2", MT_OPERAND_BRC2, HW_H_UINT, 14, 3,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_BRC2] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_BRC2] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* perm: perm */
   { "perm", MT_OPERAND_PERM, HW_H_UINT, 25, 2,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_PERM] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_PERM] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* a23: a23 */
   { "a23", MT_OPERAND_A23, HW_H_UINT, 23, 1,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_A23] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_A23] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* cr: c-r */
   { "cr", MT_OPERAND_CR, HW_H_UINT, 22, 3,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CR] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CR] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* cbs: cbs */
   { "cbs", MT_OPERAND_CBS, HW_H_UINT, 19, 2,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CBS] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CBS] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* incr: incr */
   { "incr", MT_OPERAND_INCR, HW_H_UINT, 17, 6,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_INCR] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_INCR] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* length: length */
   { "length", MT_OPERAND_LENGTH, HW_H_UINT, 15, 3,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_LENGTH] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_LENGTH] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* cbx: cbx */
   { "cbx", MT_OPERAND_CBX, HW_H_UINT, 14, 3,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CBX] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CBX] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* ccb: ccb */
   { "ccb", MT_OPERAND_CCB, HW_H_UINT, 11, 1,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CCB] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CCB] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* cdb: cdb */
   { "cdb", MT_OPERAND_CDB, HW_H_UINT, 10, 1,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CDB] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CDB] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* mode: mode */
   { "mode", MT_OPERAND_MODE, HW_H_UINT, 25, 2,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_MODE] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_MODE] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* id: i/d */
   { "id", MT_OPERAND_ID, HW_H_UINT, 14, 1,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_ID] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_ID] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* size: size */
   { "size", MT_OPERAND_SIZE, HW_H_UINT, 13, 14,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_SIZE] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_SIZE] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* fbincr: fb incr */
   { "fbincr", MT_OPERAND_FBINCR, HW_H_UINT, 23, 4,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_FBINCR] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_FBINCR] } },
     { 0, { { { (1<<MACH_BASE), 0 } } } }  },
 /* loopsize: immediate value */
   { "loopsize", MT_OPERAND_LOOPSIZE, HW_H_UINT, 7, 8,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_LOOPO] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_LOOPO] } },
     { 0|A(PCREL_ADDR), { { { (1<<MACH_MS2), 0 } } } }  },
 /* imm16l: immediate value */
   { "imm16l", MT_OPERAND_IMM16L, HW_H_UINT, 23, 16,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_IMM16L] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_IMM16L] } },
     { 0, { { { (1<<MACH_MS2), 0 } } } }  },
 /* rc3: rc3 */
   { "rc3", MT_OPERAND_RC3, HW_H_UINT, 7, 1,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_RC3] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_RC3] } },
     { 0, { { { (1<<MACH_MS2), 0 } } } }  },
 /* cb1sel: cb1sel */
   { "cb1sel", MT_OPERAND_CB1SEL, HW_H_UINT, 25, 3,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CB1SEL] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CB1SEL] } },
     { 0, { { { (1<<MACH_MS2), 0 } } } }  },
 /* cb2sel: cb2sel */
   { "cb2sel", MT_OPERAND_CB2SEL, HW_H_UINT, 22, 3,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CB2SEL] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CB2SEL] } },
     { 0, { { { (1<<MACH_MS2), 0 } } } }  },
 /* cb1incr: cb1incr */
   { "cb1incr", MT_OPERAND_CB1INCR, HW_H_SINT, 19, 6,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CB1INCR] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CB1INCR] } },
     { 0|A(SIGNED), { { { (1<<MACH_MS2), 0 } } } }  },
 /* cb2incr: cb2incr */
   { "cb2incr", MT_OPERAND_CB2INCR, HW_H_SINT, 13, 6,
-    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CB2INCR] } }, 
+    { 0, { (const PTR) &mt_cgen_ifld_table[MT_F_CB2INCR] } },
     { 0|A(SIGNED), { { { (1<<MACH_MS2), 0 } } } }  },
 /* sentinel */
   { 0, 0, 0, 0, 0,
@@ -975,6 +976,11 @@ init_tables (void)
 {
 }
 
+#ifndef opcodes_error_handler
+#define opcodes_error_handler(...) \
+  fprintf (stderr, __VA_ARGS__); fputc ('\n', stderr)
+#endif
+
 static const CGEN_MACH * lookup_mach_via_bfd_name (const CGEN_MACH *, const char *);
 static void build_hw_table      (CGEN_CPU_TABLE *);
 static void build_ifield_table  (CGEN_CPU_TABLE *);
@@ -993,7 +999,7 @@ lookup_mach_via_bfd_name (const CGEN_MACH *table, const char *name)
 	return table;
       ++table;
     }
-  abort ();
+  return NULL;
 }
 
 /* Subroutine of mt_cgen_cpu_open to build the hardware table.  */
@@ -1135,8 +1141,11 @@ mt_cgen_rebuild_tables (CGEN_CPU_TABLE *cd)
 	{
 	  if (cd->insn_chunk_bitsize != 0 && cd->insn_chunk_bitsize != mach->insn_chunk_bitsize)
 	    {
-	      fprintf (stderr, "mt_cgen_rebuild_tables: conflicting insn-chunk-bitsize values: `%d' vs. `%d'\n",
-		       cd->insn_chunk_bitsize, mach->insn_chunk_bitsize);
+	      opcodes_error_handler
+		(/* xgettext:c-format */
+		 _("internal error: mt_cgen_rebuild_tables: "
+		   "conflicting insn-chunk-bitsize values: `%d' vs. `%d'"),
+		 cd->insn_chunk_bitsize, mach->insn_chunk_bitsize);
 	      abort ();
 	    }
 
@@ -1207,15 +1216,19 @@ mt_cgen_cpu_open (enum cgen_cpu_open_arg arg_type, ...)
 	    const CGEN_MACH *mach =
 	      lookup_mach_via_bfd_name (mt_cgen_mach_table, name);
 
-	    machs |= 1 << mach->num;
+	    if (mach != NULL)
+	      machs |= 1 << mach->num;
 	    break;
 	  }
 	case CGEN_CPU_OPEN_ENDIAN :
 	  endian = va_arg (ap, enum cgen_endian);
 	  break;
 	default :
-	  fprintf (stderr, "mt_cgen_cpu_open: unsupported argument `%d'\n",
-		   arg_type);
+	  opcodes_error_handler
+	    (/* xgettext:c-format */
+	     _("internal error: mt_cgen_cpu_open: "
+	       "unsupported argument `%d'"),
+	     arg_type);
 	  abort (); /* ??? return NULL? */
 	}
       arg_type = va_arg (ap, enum cgen_cpu_open_arg);
@@ -1230,7 +1243,9 @@ mt_cgen_cpu_open (enum cgen_cpu_open_arg arg_type, ...)
   if (endian == CGEN_ENDIAN_UNKNOWN)
     {
       /* ??? If target has only one, could have a default.  */
-      fprintf (stderr, "mt_cgen_cpu_open: no endianness specified\n");
+      opcodes_error_handler
+	(/* xgettext:c-format */
+	 _("internal error: mt_cgen_cpu_open: no endianness specified"));
       abort ();
     }
 
@@ -1249,7 +1264,7 @@ mt_cgen_cpu_open (enum cgen_cpu_open_arg arg_type, ...)
 
   /* Default to not allowing signed overflow.  */
   cd->signed_overflow_ok_p = 0;
-  
+
   return (CGEN_CPU_DESC) cd;
 }
 
@@ -1289,7 +1304,7 @@ mt_cgen_cpu_close (CGEN_CPU_DESC cd)
       for (i = 0; i < cd->insn_table.num_init_entries; ++i, ++insns)
 	if (CGEN_INSN_RX (insns))
 	  regfree (CGEN_INSN_RX (insns));
-    }  
+    }
 
   if (cd->macro_insn_table.init_entries)
     free ((CGEN_INSN *) cd->macro_insn_table.init_entries);