summaryrefslogtreecommitdiff
path: root/misc/buildroot/toolchain/nxflat/arm/disarm.c
diff options
context:
space:
mode:
Diffstat (limited to 'misc/buildroot/toolchain/nxflat/arm/disarm.c')
-rw-r--r--misc/buildroot/toolchain/nxflat/arm/disarm.c1004
1 files changed, 1004 insertions, 0 deletions
diff --git a/misc/buildroot/toolchain/nxflat/arm/disarm.c b/misc/buildroot/toolchain/nxflat/arm/disarm.c
new file mode 100644
index 000000000..ad430472f
--- /dev/null
+++ b/misc/buildroot/toolchain/nxflat/arm/disarm.c
@@ -0,0 +1,1004 @@
+/***********************************************************************
+ * toolchain/nxflat/disasm.c
+ * ARM Disassembler
+ *
+ * Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Derived from XFLAT:
+ *
+ * Copyright (c) 2006, Cadenux, LLC. All rights reserved.
+ * Copyright (c) 2006, Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Which simply lifted it from the BFD:
+ *
+ * Copyright 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+ * This file is derived from parts of of the binutils package
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ ***********************************************************************/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+
+#define BDISP(x) ((((x) & 0xffffff) ^ 0x800000) - 0x800000) /* 26 bit */
+
+struct arm_opcode
+{
+ u_int32_t value;
+ u_int32_t mask;
+ char *assembler;
+};
+
+static char * arm_conditional[] =
+{"eq", "ne", "cs", "cc", "mi", "pl", "vs", "vc",
+ "hi", "ls", "ge", "lt", "gt", "le", "", "nv"};
+
+typedef struct
+{
+ const char *name;
+ const char *description;
+ const char *reg_names[16];
+}
+arm_regname;
+
+static arm_regname regnames[] =
+{
+ { "raw" , "Select raw register names",
+ { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"}},
+ { "gcc", "Select register names used by GCC",
+ { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "sl", "fp", "ip", "sp", "lr", "pc" }},
+ { "std", "Select register names used in ARM's ISA documentation",
+ { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "sp", "lr", "pc" }},
+ { "apcs", "Select register names used in the APCS",
+ { "a1", "a2", "a3", "a4", "v1", "v2", "v3", "v4", "v5", "v6", "sl", "fp", "ip", "sp", "lr", "pc" }},
+ { "atpcs", "Select register names used in the ATPCS",
+ { "a1", "a2", "a3", "a4", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v8", "IP", "SP", "LR", "PC" }},
+ { "special-atpcs", "Select special register names used in the ATPCS",
+ { "a1", "a2", "a3", "a4", "v1", "v2", "v3", "WR", "v5", "SB", "SL", "FP", "IP", "SP", "LR", "PC" }}
+};
+
+static unsigned int regname_selected = 1;
+
+#define NUM_ARM_REGNAMES NUM_ELEM (regnames)
+#define arm_regnames regnames[regname_selected].reg_names
+
+static char * arm_fp_const[] =
+{"0.0", "1.0", "2.0", "3.0", "4.0", "5.0", "0.5", "10.0"};
+
+static char * arm_shift[] =
+{"lsl", "lsr", "asr", "ror"};
+
+static struct arm_opcode arm_opcodes[] =
+ {
+ /* ARM instructions. */
+ {0xe1a00000, 0xffffffff, "nop\t\t\t(mov r0,r0)"},
+ {0x012FFF10, 0x0ffffff0, "bx%c\t%0-3r"},
+ {0x00000090, 0x0fe000f0, "mul%c%20's\t%16-19r, %0-3r, %8-11r"},
+ {0x00200090, 0x0fe000f0, "mla%c%20's\t%16-19r, %0-3r, %8-11r, %12-15r"},
+ {0x01000090, 0x0fb00ff0, "swp%c%22'b\t%12-15r, %0-3r, [%16-19r]"},
+ {0x00800090, 0x0fa000f0, "%22?sumull%c%20's\t%12-15r, %16-19r, %0-3r, %8-11r"},
+ {0x00a00090, 0x0fa000f0, "%22?sumlal%c%20's\t%12-15r, %16-19r, %0-3r, %8-11r"},
+
+ /* V5J instruction. */
+ {0x012fff20, 0x0ffffff0, "bxj%c\t%0-3r"},
+
+ /* XScale instructions. */
+ {0x0e200010, 0x0fff0ff0, "mia%c\tacc0, %0-3r, %12-15r"},
+ {0x0e280010, 0x0fff0ff0, "miaph%c\tacc0, %0-3r, %12-15r"},
+ {0x0e2c0010, 0x0ffc0ff0, "mia%17'T%17`B%16'T%16`B%c\tacc0, %0-3r, %12-15r"},
+ {0x0c400000, 0x0ff00fff, "mar%c\tacc0, %12-15r, %16-19r"},
+ {0x0c500000, 0x0ff00fff, "mra%c\t%12-15r, %16-19r, acc0"},
+ {0xf450f000, 0xfc70f000, "pld\t%a"},
+
+ /* V5 Instructions. */
+ {0xe1200070, 0xfff000f0, "bkpt\t0x%16-19X%12-15X%8-11X%0-3X"},
+ {0xfa000000, 0xfe000000, "blx\t%B"},
+ {0x012fff30, 0x0ffffff0, "blx%c\t%0-3r"},
+ {0x016f0f10, 0x0fff0ff0, "clz%c\t%12-15r, %0-3r"},
+ {0xfc100000, 0xfe100000, "ldc2%22'l\t%8-11d, cr%12-15d, %A"},
+ {0xfc000000, 0xfe100000, "stc2%22'l\t%8-11d, cr%12-15d, %A"},
+ {0xfe000000, 0xff000010, "cdp2\t%8-11d, %20-23d, cr%12-15d, cr%16-19d, cr%0-3d, {%5-7d}"},
+ {0xfe000010, 0xff100010, "mcr2\t%8-11d, %21-23d, %12-15r, cr%16-19d, cr%0-3d, {%5-7d}"},
+ {0xfe100010, 0xff100010, "mrc2\t%8-11d, %21-23d, %12-15r, cr%16-19d, cr%0-3d, {%5-7d}"},
+
+ /* V5E "El Segundo" Instructions. */
+ {0x000000d0, 0x0e1000f0, "ldr%cd\t%12-15r, %s"},
+ {0x000000f0, 0x0e1000f0, "str%cd\t%12-15r, %s"},
+ {0x01000080, 0x0ff000f0, "smlabb%c\t%16-19r, %0-3r, %8-11r, %12-15r"},
+ {0x010000a0, 0x0ff000f0, "smlatb%c\t%16-19r, %0-3r, %8-11r, %12-15r"},
+ {0x010000c0, 0x0ff000f0, "smlabt%c\t%16-19r, %0-3r, %8-11r, %12-15r"},
+ {0x010000e0, 0x0ff000f0, "smlatt%c\t%16-19r, %0-3r, %8-11r, %12-15r"},
+
+ {0x01200080, 0x0ff000f0, "smlawb%c\t%16-19r, %0-3r, %8-11r, %12-15r"},
+ {0x012000c0, 0x0ff000f0, "smlawt%c\t%16-19r, %0-3r, %8-11r, %12-15r"},
+
+ {0x01400080, 0x0ff000f0, "smlalbb%c\t%12-15r, %16-19r, %0-3r, %8-11r"},
+ {0x014000a0, 0x0ff000f0, "smlaltb%c\t%12-15r, %16-19r, %0-3r, %8-11r"},
+ {0x014000c0, 0x0ff000f0, "smlalbt%c\t%12-15r, %16-19r, %0-3r, %8-11r"},
+ {0x014000e0, 0x0ff000f0, "smlaltt%c\t%12-15r, %16-19r, %0-3r, %8-11r"},
+
+ {0x01600080, 0x0ff0f0f0, "smulbb%c\t%16-19r, %0-3r, %8-11r"},
+ {0x016000a0, 0x0ff0f0f0, "smultb%c\t%16-19r, %0-3r, %8-11r"},
+ {0x016000c0, 0x0ff0f0f0, "smulbt%c\t%16-19r, %0-3r, %8-11r"},
+ {0x016000e0, 0x0ff0f0f0, "smultt%c\t%16-19r, %0-3r, %8-11r"},
+
+ {0x012000a0, 0x0ff0f0f0, "smulwb%c\t%16-19r, %0-3r, %8-11r"},
+ {0x012000e0, 0x0ff0f0f0, "smulwt%c\t%16-19r, %0-3r, %8-11r"},
+
+ {0x01000050, 0x0ff00ff0, "qadd%c\t%12-15r, %0-3r, %16-19r"},
+ {0x01400050, 0x0ff00ff0, "qdadd%c\t%12-15r, %0-3r, %16-19r"},
+ {0x01200050, 0x0ff00ff0, "qsub%c\t%12-15r, %0-3r, %16-19r"},
+ {0x01600050, 0x0ff00ff0, "qdsub%c\t%12-15r, %0-3r, %16-19r"},
+
+ {0x0c400000, 0x0ff00000, "mcrr%c\t%8-11d, %4-7d, %12-15r, %16-19r, cr%0-3d"},
+ {0x0c500000, 0x0ff00000, "mrrc%c\t%8-11d, %4-7d, %12-15r, %16-19r, cr%0-3d"},
+
+ /* ARM Instructions. */
+ {0x00000090, 0x0e100090, "str%c%6's%5?hb\t%12-15r, %s"},
+ {0x00100090, 0x0e100090, "ldr%c%6's%5?hb\t%12-15r, %s"},
+ {0x00000000, 0x0de00000, "and%c%20's\t%12-15r, %16-19r, %o"},
+ {0x00200000, 0x0de00000, "eor%c%20's\t%12-15r, %16-19r, %o"},
+ {0x00400000, 0x0de00000, "sub%c%20's\t%12-15r, %16-19r, %o"},
+ {0x00600000, 0x0de00000, "rsb%c%20's\t%12-15r, %16-19r, %o"},
+ {0x00800000, 0x0de00000, "add%c%20's\t%12-15r, %16-19r, %o"},
+ {0x00a00000, 0x0de00000, "adc%c%20's\t%12-15r, %16-19r, %o"},
+ {0x00c00000, 0x0de00000, "sbc%c%20's\t%12-15r, %16-19r, %o"},
+ {0x00e00000, 0x0de00000, "rsc%c%20's\t%12-15r, %16-19r, %o"},
+ {0x0120f000, 0x0db0f000, "msr%c\t%22?SCPSR%C, %o"},
+ {0x010f0000, 0x0fbf0fff, "mrs%c\t%12-15r, %22?SCPSR"},
+ {0x01000000, 0x0de00000, "tst%c%p\t%16-19r, %o"},
+ {0x01200000, 0x0de00000, "teq%c%p\t%16-19r, %o"},
+ {0x01400000, 0x0de00000, "cmp%c%p\t%16-19r, %o"},
+ {0x01600000, 0x0de00000, "cmn%c%p\t%16-19r, %o"},
+ {0x01800000, 0x0de00000, "orr%c%20's\t%12-15r, %16-19r, %o"},
+ {0x01a00000, 0x0de00000, "mov%c%20's\t%12-15r, %o"},
+ {0x01c00000, 0x0de00000, "bic%c%20's\t%12-15r, %16-19r, %o"},
+ {0x01e00000, 0x0de00000, "mvn%c%20's\t%12-15r, %o"},
+ {0x04000000, 0x0e100000, "str%c%22'b%t\t%12-15r, %a"},
+ {0x06000000, 0x0e100ff0, "str%c%22'b%t\t%12-15r, %a"},
+ {0x04000000, 0x0c100010, "str%c%22'b%t\t%12-15r, %a"},
+ {0x06000010, 0x0e000010, "undefined"},
+ {0x04100000, 0x0c100000, "ldr%c%22'b%t\t%12-15r, %a"},
+ {0x08000000, 0x0e100000, "stm%c%23?id%24?ba\t%16-19r%21'!, %m%22'^"},
+ {0x08100000, 0x0e100000, "ldm%c%23?id%24?ba\t%16-19r%21'!, %m%22'^"},
+ {0x0a000000, 0x0e000000, "b%24'l%c\t%b"},
+ {0x0f000000, 0x0f000000, "swi%c\t%0-23x"},
+
+ /* Floating point coprocessor (FPA) instructions */
+ {0x0e000100, 0x0ff08f10, "adf%c%P%R\t%12-14f, %16-18f, %0-3f"},
+ {0x0e100100, 0x0ff08f10, "muf%c%P%R\t%12-14f, %16-18f, %0-3f"},
+ {0x0e200100, 0x0ff08f10, "suf%c%P%R\t%12-14f, %16-18f, %0-3f"},
+ {0x0e300100, 0x0ff08f10, "rsf%c%P%R\t%12-14f, %16-18f, %0-3f"},
+ {0x0e400100, 0x0ff08f10, "dvf%c%P%R\t%12-14f, %16-18f, %0-3f"},
+ {0x0e500100, 0x0ff08f10, "rdf%c%P%R\t%12-14f, %16-18f, %0-3f"},
+ {0x0e600100, 0x0ff08f10, "pow%c%P%R\t%12-14f, %16-18f, %0-3f"},
+ {0x0e700100, 0x0ff08f10, "rpw%c%P%R\t%12-14f, %16-18f, %0-3f"},
+ {0x0e800100, 0x0ff08f10, "rmf%c%P%R\t%12-14f, %16-18f, %0-3f"},
+ {0x0e900100, 0x0ff08f10, "fml%c%P%R\t%12-14f, %16-18f, %0-3f"},
+ {0x0ea00100, 0x0ff08f10, "fdv%c%P%R\t%12-14f, %16-18f, %0-3f"},
+ {0x0eb00100, 0x0ff08f10, "frd%c%P%R\t%12-14f, %16-18f, %0-3f"},
+ {0x0ec00100, 0x0ff08f10, "pol%c%P%R\t%12-14f, %16-18f, %0-3f"},
+ {0x0e008100, 0x0ff08f10, "mvf%c%P%R\t%12-14f, %0-3f"},
+ {0x0e108100, 0x0ff08f10, "mnf%c%P%R\t%12-14f, %0-3f"},
+ {0x0e208100, 0x0ff08f10, "abs%c%P%R\t%12-14f, %0-3f"},
+ {0x0e308100, 0x0ff08f10, "rnd%c%P%R\t%12-14f, %0-3f"},
+ {0x0e408100, 0x0ff08f10, "sqt%c%P%R\t%12-14f, %0-3f"},
+ {0x0e508100, 0x0ff08f10, "log%c%P%R\t%12-14f, %0-3f"},
+ {0x0e608100, 0x0ff08f10, "lgn%c%P%R\t%12-14f, %0-3f"},
+ {0x0e708100, 0x0ff08f10, "exp%c%P%R\t%12-14f, %0-3f"},
+ {0x0e808100, 0x0ff08f10, "sin%c%P%R\t%12-14f, %0-3f"},
+ {0x0e908100, 0x0ff08f10, "cos%c%P%R\t%12-14f, %0-3f"},
+ {0x0ea08100, 0x0ff08f10, "tan%c%P%R\t%12-14f, %0-3f"},
+ {0x0eb08100, 0x0ff08f10, "asn%c%P%R\t%12-14f, %0-3f"},
+ {0x0ec08100, 0x0ff08f10, "acs%c%P%R\t%12-14f, %0-3f"},
+ {0x0ed08100, 0x0ff08f10, "atn%c%P%R\t%12-14f, %0-3f"},
+ {0x0ee08100, 0x0ff08f10, "urd%c%P%R\t%12-14f, %0-3f"},
+ {0x0ef08100, 0x0ff08f10, "nrm%c%P%R\t%12-14f, %0-3f"},
+ {0x0e000110, 0x0ff00f1f, "flt%c%P%R\t%16-18f, %12-15r"},
+ {0x0e100110, 0x0fff0f98, "fix%c%R\t%12-15r, %0-2f"},
+ {0x0e200110, 0x0fff0fff, "wfs%c\t%12-15r"},
+ {0x0e300110, 0x0fff0fff, "rfs%c\t%12-15r"},
+ {0x0e400110, 0x0fff0fff, "wfc%c\t%12-15r"},
+ {0x0e500110, 0x0fff0fff, "rfc%c\t%12-15r"},
+ {0x0e90f110, 0x0ff8fff0, "cmf%c\t%16-18f, %0-3f"},
+ {0x0eb0f110, 0x0ff8fff0, "cnf%c\t%16-18f, %0-3f"},
+ {0x0ed0f110, 0x0ff8fff0, "cmfe%c\t%16-18f, %0-3f"},
+ {0x0ef0f110, 0x0ff8fff0, "cnfe%c\t%16-18f, %0-3f"},
+ {0x0c000100, 0x0e100f00, "stf%c%Q\t%12-14f, %A"},
+ {0x0c100100, 0x0e100f00, "ldf%c%Q\t%12-14f, %A"},
+ {0x0c000200, 0x0e100f00, "sfm%c\t%12-14f, %F, %A"},
+ {0x0c100200, 0x0e100f00, "lfm%c\t%12-14f, %F, %A"},
+
+ /* Floating point coprocessor (VFP) instructions */
+ {0x0eb00bc0, 0x0fff0ff0, "fabsd%c\t%1z, %0z"},
+ {0x0eb00ac0, 0x0fbf0fd0, "fabss%c\t%1y, %0y"},
+ {0x0e300b00, 0x0ff00ff0, "faddd%c\t%1z, %2z, %0z"},
+ {0x0e300a00, 0x0fb00f50, "fadds%c\t%1y, %2y, %1y"},
+ {0x0eb40b40, 0x0fff0f70, "fcmp%7'ed%c\t%1z, %0z"},
+ {0x0eb40a40, 0x0fbf0f50, "fcmp%7'es%c\t%1y, %0y"},
+ {0x0eb50b40, 0x0fff0f70, "fcmp%7'ezd%c\t%1z"},
+ {0x0eb50a40, 0x0fbf0f70, "fcmp%7'ezs%c\t%1y"},
+ {0x0eb00b40, 0x0fff0ff0, "fcpyd%c\t%1z, %0z"},
+ {0x0eb00a40, 0x0fbf0fd0, "fcpys%c\t%1y, %0y"},
+ {0x0eb70ac0, 0x0fff0fd0, "fcvtds%c\t%1z, %0y"},
+ {0x0eb70bc0, 0x0fbf0ff0, "fcvtsd%c\t%1y, %0z"},
+ {0x0e800b00, 0x0ff00ff0, "fdivd%c\t%1z, %2z, %0z"},
+ {0x0e800a00, 0x0fb00f50, "fdivs%c\t%1y, %2y, %0y"},
+ {0x0d100b00, 0x0f700f00, "fldd%c\t%1z, %A"},
+ {0x0c900b00, 0x0fd00f00, "fldmia%0?xd%c\t%16-19r%21'!, %3z"},
+ {0x0d300b00, 0x0ff00f00, "fldmdb%0?xd%c\t%16-19r!, %3z"},
+ {0x0d100a00, 0x0f300f00, "flds%c\t%1y, %A"},
+ {0x0c900a00, 0x0f900f00, "fldmias%c\t%16-19r%21'!, %3y"},
+ {0x0d300a00, 0x0fb00f00, "fldmdbs%c\t%16-19r!, %3y"},
+ {0x0e000b00, 0x0ff00ff0, "fmacd%c\t%1z, %2z, %0z"},
+ {0x0e000a00, 0x0fb00f50, "fmacs%c\t%1y, %2y, %0y"},
+ {0x0e200b10, 0x0ff00fff, "fmdhr%c\t%2z, %12-15r"},
+ {0x0e000b10, 0x0ff00fff, "fmdlr%c\t%2z, %12-15r"},
+ {0x0c400b10, 0x0ff00ff0, "fmdrr%c\t%0z, %12-15r, %16-19r"},
+ {0x0e300b10, 0x0ff00fff, "fmrdh%c\t%12-15r, %2z"},
+ {0x0e100b10, 0x0ff00fff, "fmrdl%c\t%12-15r, %2z"},
+ {0x0c500b10, 0x0ff00ff0, "fmrrd%c\t%12-15r, %16-19r, %0z"},
+ {0x0c500a10, 0x0ff00fd0, "fmrrs%c\t%12-15r, %16-19r, %4y"},
+ {0x0e100a10, 0x0ff00f7f, "fmrs%c\t%12-15r, %2y"},
+ {0x0ef1fa10, 0x0fffffff, "fmstat%c"},
+ {0x0ef00a10, 0x0fff0fff, "fmrx%c\t%12-15r, fpsid"},
+ {0x0ef10a10, 0x0fff0fff, "fmrx%c\t%12-15r, fpscr"},
+ {0x0ef80a10, 0x0fff0fff, "fmrx%c\t%12-15r, fpexc"},
+ {0x0ef90a10, 0x0fff0fff, "fmrx%c\t%12-15r, fpinst\t@ Impl def"},
+ {0x0efa0a10, 0x0fff0fff, "fmrx%c\t%12-15r, fpinst2\t@ Impl def"},
+ {0x0ef00a10, 0x0ff00fff, "fmrx%c\t%12-15r, <impl def 0x%16-19x>"},
+ {0x0e100b00, 0x0ff00ff0, "fmscd%c\t%1z, %2z, %0z"},
+ {0x0e100a00, 0x0fb00f50, "fmscs%c\t%1y, %2y, %0y"},
+ {0x0e000a10, 0x0ff00f7f, "fmsr%c\t%2y, %12-15r"},
+ {0x0c400a10, 0x0ff00fd0, "fmsrr%c\t%12-15r, %16-19r, %4y"},
+ {0x0e200b00, 0x0ff00ff0, "fmuld%c\t%1z, %2z, %0z"},
+ {0x0e200a00, 0x0fb00f50, "fmuls%c\t%1y, %2y, %0y"},
+ {0x0ee00a10, 0x0fff0fff, "fmxr%c\tfpsid, %12-15r"},
+ {0x0ee10a10, 0x0fff0fff, "fmxr%c\tfpscr, %12-15r"},
+ {0x0ee80a10, 0x0fff0fff, "fmxr%c\tfpexc, %12-15r"},
+ {0x0ee90a10, 0x0fff0fff, "fmxr%c\tfpinst, %12-15r\t@ Impl def"},
+ {0x0eea0a10, 0x0fff0fff, "fmxr%c\tfpinst2, %12-15r\t@ Impl def"},
+ {0x0ee00a10, 0x0ff00fff, "fmxr%c\t<impl def 0x%16-19x>, %12-15r"},
+ {0x0eb10b40, 0x0fff0ff0, "fnegd%c\t%1z, %0z"},
+ {0x0eb10a40, 0x0fbf0fd0, "fnegs%c\t%1y, %0y"},
+ {0x0e000b40, 0x0ff00ff0, "fnmacd%c\t%1z, %2z, %0z"},
+ {0x0e000a40, 0x0fb00f50, "fnmacs%c\t%1y, %2y, %0y"},
+ {0x0e100b40, 0x0ff00ff0, "fnmscd%c\t%1z, %2z, %0z"},
+ {0x0e100a40, 0x0fb00f50, "fnmscs%c\t%1y, %2y, %0y"},
+ {0x0e200b40, 0x0ff00ff0, "fnmuld%c\t%1z, %2z, %0z"},
+ {0x0e200a40, 0x0fb00f50, "fnmuls%c\t%1y, %2y, %0y"},
+ {0x0eb80bc0, 0x0fff0fd0, "fsitod%c\t%1z, %0y"},
+ {0x0eb80ac0, 0x0fbf0fd0, "fsitos%c\t%1y, %0y"},
+ {0x0eb10bc0, 0x0fff0ff0, "fsqrtd%c\t%1z, %0z"},
+ {0x0eb10ac0, 0x0fbf0fd0, "fsqrts%c\t%1y, %0y"},
+ {0x0d000b00, 0x0f700f00, "fstd%c\t%1z, %A"},
+ {0x0c800b00, 0x0fd00f00, "fstmia%0?xd%c\t%16-19r%21'!, %3z"},
+ {0x0d200b00, 0x0ff00f00, "fstmdb%0?xd%c\t%16-19r!, %3z"},
+ {0x0d000a00, 0x0f300f00, "fsts%c\t%1y, %A"},
+ {0x0c800a00, 0x0f900f00, "fstmias%c\t%16-19r%21'!, %3y"},
+ {0x0d200a00, 0x0fb00f00, "fstmdbs%c\t%16-19r!, %3y"},
+ {0x0e300b40, 0x0ff00ff0, "fsubd%c\t%1z, %2z, %0z"},
+ {0x0e300a40, 0x0fb00f50, "fsubs%c\t%1y, %2y, %0y"},
+ {0x0ebc0b40, 0x0fbe0f70, "fto%16?sui%7'zd%c\t%1y, %0z"},
+ {0x0ebc0a40, 0x0fbe0f50, "fto%16?sui%7'zs%c\t%1y, %0y"},
+ {0x0eb80b40, 0x0fff0fd0, "fuitod%c\t%1z, %0y"},
+ {0x0eb80a40, 0x0fbf0fd0, "fuitos%c\t%1y, %0y"},
+
+ /* Cirrus coprocessor instructions. */
+ {0x0d100400, 0x0f500f00, "cfldrs%c\tmvf%12-15d, %A"},
+ {0x0c100400, 0x0f500f00, "cfldrs%c\tmvf%12-15d, %A"},
+ {0x0d500400, 0x0f500f00, "cfldrd%c\tmvd%12-15d, %A"},
+ {0x0c500400, 0x0f500f00, "cfldrd%c\tmvd%12-15d, %A"},
+ {0x0d100500, 0x0f500f00, "cfldr32%c\tmvfx%12-15d, %A"},
+ {0x0c100500, 0x0f500f00, "cfldr32%c\tmvfx%12-15d, %A"},
+ {0x0d500500, 0x0f500f00, "cfldr64%c\tmvdx%12-15d, %A"},
+ {0x0c500500, 0x0f500f00, "cfldr64%c\tmvdx%12-15d, %A"},
+ {0x0d000400, 0x0f500f00, "cfstrs%c\tmvf%12-15d, %A"},
+ {0x0c000400, 0x0f500f00, "cfstrs%c\tmvf%12-15d, %A"},
+ {0x0d400400, 0x0f500f00, "cfstrd%c\tmvd%12-15d, %A"},
+ {0x0c400400, 0x0f500f00, "cfstrd%c\tmvd%12-15d, %A"},
+ {0x0d000500, 0x0f500f00, "cfstr32%c\tmvfx%12-15d, %A"},
+ {0x0c000500, 0x0f500f00, "cfstr32%c\tmvfx%12-15d, %A"},
+ {0x0d400500, 0x0f500f00, "cfstr64%c\tmvdx%12-15d, %A"},
+ {0x0c400500, 0x0f500f00, "cfstr64%c\tmvdx%12-15d, %A"},
+ {0x0e000450, 0x0ff00ff0, "cfmvsr%c\tmvf%16-19d, %12-15r"},
+ {0x0e100450, 0x0ff00ff0, "cfmvrs%c\t%12-15r, mvf%16-19d"},
+ {0x0e000410, 0x0ff00ff0, "cfmvdlr%c\tmvd%16-19d, %12-15r"},
+ {0x0e100410, 0x0ff00ff0, "cfmvrdl%c\t%12-15r, mvd%16-19d"},
+ {0x0e000430, 0x0ff00ff0, "cfmvdhr%c\tmvd%16-19d, %12-15r"},
+ {0x0e100430, 0x0ff00fff, "cfmvrdh%c\t%12-15r, mvd%16-19d"},
+ {0x0e000510, 0x0ff00fff, "cfmv64lr%c\tmvdx%16-19d, %12-15r"},
+ {0x0e100510, 0x0ff00fff, "cfmvr64l%c\t%12-15r, mvdx%16-19d"},
+ {0x0e000530, 0x0ff00fff, "cfmv64hr%c\tmvdx%16-19d, %12-15r"},
+ {0x0e100530, 0x0ff00fff, "cfmvr64h%c\t%12-15r, mvdx%16-19d"},
+ {0x0e100610, 0x0ff0fff0, "cfmval32%c\tmvax%0-3d, mvfx%16-19d"},
+ {0x0e000610, 0x0ff0fff0, "cfmv32al%c\tmvfx%0-3d, mvax%16-19d"},
+ {0x0e100630, 0x0ff0fff0, "cfmvam32%c\tmvax%0-3d, mvfx%16-19d"},
+ {0x0e000630, 0x0ff0fff0, "cfmv32am%c\tmvfx%0-3d, mvax%16-19d"},
+ {0x0e100650, 0x0ff0fff0, "cfmvah32%c\tmvax%0-3d, mvfx%16-19d"},
+ {0x0e000650, 0x0ff0fff0, "cfmv32ah%c\tmvfx%0-3d, mvax%16-19d"},
+ {0x0e000670, 0x0ff0fff0, "cfmv32a%c\tmvfx%0-3d, mvax%16-19d"},
+ {0x0e100670, 0x0ff0fff0, "cfmva32%c\tmvax%0-3d, mvfx%16-19d"},
+ {0x0e000690, 0x0ff0fff0, "cfmv64a%c\tmvdx%0-3d, mvax%16-19d"},
+ {0x0e100690, 0x0ff0fff0, "cfmva64%c\tmvax%0-3d, mvdx%16-19d"},
+ {0x0e1006b0, 0x0ff0fff0, "cfmvsc32%c\tdspsc, mvfx%16-19d"},
+ {0x0e0006b0, 0x0ff0fff0, "cfmv32sc%c\tmvfx%0-3d, dspsc"},
+ {0x0e000400, 0x0ff00fff, "cfcpys%c\tmvf%12-15d, mvf%16-19d"},
+ {0x0e000420, 0x0ff00fff, "cfcpyd%c\tmvd%12-15d, mvd%16-19d"},
+ {0x0e000460, 0x0ff00fff, "cfcvtsd%c\tmvd%12-15d, mvf%16-19d"},
+ {0x0e000440, 0x0ff00fff, "cfcvtds%c\tmvf%12-15d, mvd%16-19d"},
+ {0x0e000480, 0x0ff00fff, "cfcvt32s%c\tmvf%12-15d, mvfx%16-19d"},
+ {0x0e0004a0, 0x0ff00fff, "cfcvt32d%c\tmvd%12-15d, mvfx%16-19d"},
+ {0x0e0004c0, 0x0ff00fff, "cfcvt64s%c\tmvf%12-15d, mvdx%16-19d"},
+ {0x0e0004e0, 0x0ff00fff, "cfcvt64d%c\tmvd%12-15d, mvdx%16-19d"},
+ {0x0e100580, 0x0ff00fff, "cfcvts32%c\tmvfx%12-15d, mvf%16-19d"},
+ {0x0e1005a0, 0x0ff00fff, "cfcvtd32%c\tmvfx%12-15d, mvd%16-19d"},
+ {0x0e1005c0, 0x0ff00fff, "cftruncs32%c\tmvfx%12-15d, mvf%16-19d"},
+ {0x0e1005e0, 0x0ff00fff, "cftruncd32%c\tmvfx%12-15d, mvd%16-19d"},
+ {0x0e000550, 0x0ff00ff0, "cfrshl32%c\tmvfx%16-19d, mvfx%0-3d, %12-15r"},
+ {0x0e000570, 0x0ff00ff0, "cfrshl64%c\tmvdx%16-19d, mvdx%0-3d, %12-15r"},
+ {0x0e000500, 0x0ff00f00, "cfsh32%c\tmvfx%12-15d, mvfx%16-19d, #%I"},
+ {0x0e200500, 0x0ff00f00, "cfsh64%c\tmvdx%12-15d, mvdx%16-19d, #%I"},
+ {0x0e100490, 0x0ff00ff0, "cfcmps%c\t%12-15r, mvf%16-19d, mvf%0-3d"},
+ {0x0e1004b0, 0x0ff00ff0, "cfcmpd%c\t%12-15r, mvd%16-19d, mvd%0-3d"},
+ {0x0e100590, 0x0ff00ff0, "cfcmp32%c\t%12-15r, mvfx%16-19d, mvfx%0-3d"},
+ {0x0e1005b0, 0x0ff00ff0, "cfcmp64%c\t%12-15r, mvdx%16-19d, mvdx%0-3d"},
+ {0x0e300400, 0x0ff00fff, "cfabss%c\tmvf%12-15d, mvf%16-19d"},
+ {0x0e300420, 0x0ff00fff, "cfabsd%c\tmvd%12-15d, mvd%16-19d"},
+ {0x0e300440, 0x0ff00fff, "cfnegs%c\tmvf%12-15d, mvf%16-19d"},
+ {0x0e300460, 0x0ff00fff, "cfnegd%c\tmvd%12-15d, mvd%16-19d"},
+ {0x0e300480, 0x0ff00ff0, "cfadds%c\tmvf%12-15d, mvf%16-19d, mvf%0-3d"},
+ {0x0e3004a0, 0x0ff00ff0, "cfaddd%c\tmvd%12-15d, mvd%16-19d, mvd%0-3d"},
+ {0x0e3004c0, 0x0ff00ff0, "cfsubs%c\tmvf%12-15d, mvf%16-19d, mvf%0-3d"},
+ {0x0e3004e0, 0x0ff00ff0, "cfsubd%c\tmvd%12-15d, mvd%16-19d, mvd%0-3d"},
+ {0x0e100400, 0x0ff00ff0, "cfmuls%c\tmvf%12-15d, mvf%16-19d, mvf%0-3d"},
+ {0x0e100420, 0x0ff00ff0, "cfmuld%c\tmvd%12-15d, mvd%16-19d, mvd%0-3d"},
+ {0x0e300500, 0x0ff00fff, "cfabs32%c\tmvfx%12-15d, mvfx%16-19d"},
+ {0x0e300520, 0x0ff00fff, "cfabs64%c\tmvdx%12-15d, mvdx%16-19d"},
+ {0x0e300540, 0x0ff00fff, "cfneg32%c\tmvfx%12-15d, mvfx%16-19d"},
+ {0x0e300560, 0x0ff00fff, "cfneg64%c\tmvdx%12-15d, mvdx%16-19d"},
+ {0x0e300580, 0x0ff00ff0, "cfadd32%c\tmvfx%12-15d, mvfx%16-19d, mvfx%0-3d"},
+ {0x0e3005a0, 0x0ff00ff0, "cfadd64%c\tmvdx%12-15d, mvdx%16-19d, mvdx%0-3d"},
+ {0x0e3005c0, 0x0ff00ff0, "cfsub32%c\tmvfx%12-15d, mvfx%16-19d, mvfx%0-3d"},
+ {0x0e3005e0, 0x0ff00ff0, "cfsub64%c\tmvdx%12-15d, mvdx%16-19d, mvdx%0-3d"},
+ {0x0e100500, 0x0ff00ff0, "cfmul32%c\tmvfx%12-15d, mvfx%16-19d, mvfx%0-3d"},
+ {0x0e100520, 0x0ff00ff0, "cfmul64%c\tmvdx%12-15d, mvdx%16-19d, mvdx%0-3d"},
+ {0x0e100540, 0x0ff00ff0, "cfmac32%c\tmvfx%12-15d, mvfx%16-19d, mvfx%0-3d"},
+ {0x0e100560, 0x0ff00ff0, "cfmsc32%c\tmvfx%12-15d, mvfx%16-19d, mvfx%0-3d"},
+ {0x0e000600, 0x0ff00f00, "cfmadd32%c\tmvax%5-7d, mvfx%12-15d, mvfx%16-19d, mvfx%0-3d"},
+ {0x0e100600, 0x0ff00f00, "cfmsub32%c\tmvax%5-7d, mvfx%12-15d, mvfx%16-19d, mvfx%0-3d"},
+ {0x0e200600, 0x0ff00f00, "cfmadda32%c\tmvax%5-7d, mvax%12-15d, mvfx%16-19d, mvfx%0-3d"},
+ {0x0e300600, 0x0ff00f00, "cfmsuba32%c\tmvax%5-7d, mvax%12-15d, mvfx%16-19d, mvfx%0-3d"},
+
+ /* Generic coprocessor instructions */
+ {0x0e000000, 0x0f000010, "cdp%c\t%8-11d, %20-23d, cr%12-15d, cr%16-19d, cr%0-3d, {%5-7d}"},
+ {0x0e100010, 0x0f100010, "mrc%c\t%8-11d, %21-23d, %12-15r, cr%16-19d, cr%0-3d, {%5-7d}"},
+ {0x0e000010, 0x0f100010, "mcr%c\t%8-11d, %21-23d, %12-15r, cr%16-19d, cr%0-3d, {%5-7d}"},
+ {0x0c000000, 0x0e100000, "stc%c%22'l\t%8-11d, cr%12-15d, %A"},
+ {0x0c100000, 0x0e100000, "ldc%c%22'l\t%8-11d, cr%12-15d, %A"},
+
+ /* The rest. */
+ {0x00000000, 0x00000000, "undefined instruction %0-31x"},
+ {0x00000000, 0x00000000, 0}
+ };
+
+static inline void print_address(FILE *stream, u_int32_t offset)
+{
+ fprintf(stream, "0x%08x", offset);
+}
+
+static void arm_decode_shift(u_int32_t given, FILE *stream)
+{
+ fprintf(stream, "%s", arm_regnames[given & 0xf]);
+
+ if ((given & 0xff0) != 0)
+ {
+ if ((given & 0x10) == 0)
+ {
+ int amount = (given & 0xf80) >> 7;
+ int shift = (given & 0x60) >> 5;
+
+ if (amount == 0)
+ {
+ if (shift == 3)
+ {
+ fprintf(stream, ", rrx");
+ return;
+ }
+
+ amount = 32;
+ }
+
+ fprintf(stream, ", %s #%d", arm_shift[shift], amount);
+ }
+ else
+ fprintf(stream, ", %s %s", arm_shift[(given & 0x60) >> 5],
+ arm_regnames[(given & 0xf00) >> 8]);
+ }
+}
+
+int print_insn_arm(u_int32_t pc, FILE *stream, u_int32_t given)
+{
+ struct arm_opcode *insn;
+
+ for (insn = arm_opcodes; insn->assembler; insn++)
+ {
+ if ((given & insn->mask) == insn->value)
+ {
+ char * c;
+
+ for (c = insn->assembler; *c; c++)
+ {
+ if (*c == '%')
+ {
+ switch (*++c)
+ {
+ case '%':
+ fprintf(stream, "%%");
+ break;
+
+ case 'a':
+ if (((given & 0x000f0000) == 0x000f0000)
+ && ((given & 0x02000000) == 0))
+ {
+ int offset = given & 0xfff;
+
+ fprintf(stream, "[pc");
+
+ if (given & 0x01000000)
+ {
+ if ((given & 0x00800000) == 0)
+ offset = - offset;
+
+ /* Pre-indexed. */
+ fprintf(stream, ", #%d]", offset);
+
+ offset += pc + 8;
+
+ /* Cope with the possibility of write-back
+ being used. Probably a very dangerous thing
+ for the programmer to do, but who are we to
+ argue ? */
+ if (given & 0x00200000)
+ fprintf(stream, "!");
+ }
+ else
+ {
+ /* Post indexed. */
+ fprintf(stream, "], #%d", offset);
+
+ /* ie ignore the offset. */
+ offset = pc + 8;
+ }
+
+ fprintf(stream, "\t; ");
+ print_address(stream, offset);
+ }
+ else
+ {
+ fprintf(stream, "[%s",
+ arm_regnames[(given >> 16) & 0xf]);
+ if ((given & 0x01000000) != 0)
+ {
+ if ((given & 0x02000000) == 0)
+ {
+ int offset = given & 0xfff;
+ if (offset)
+ fprintf(stream, ", %s#%d",
+ (((given & 0x00800000) == 0)
+ ? "-" : ""), offset);
+ }
+ else
+ {
+ fprintf(stream, ", %s",
+ (((given & 0x00800000) == 0)
+ ? "-" : ""));
+ arm_decode_shift (given, stream);
+ }
+
+ fprintf(stream, "]%s",
+ ((given & 0x00200000) != 0) ? "!" : "");
+ }
+ else
+ {
+ if ((given & 0x02000000) == 0)
+ {
+ int offset = given & 0xfff;
+ if (offset)
+ fprintf(stream, "], %s#%d",
+ (((given & 0x00800000) == 0)
+ ? "-" : ""), offset);
+ else
+ fprintf(stream, "]");
+ }
+ else
+ {
+ fprintf(stream, "], %s",
+ (((given & 0x00800000) == 0)
+ ? "-" : ""));
+ arm_decode_shift (given, stream);
+ }
+ }
+ }
+ break;
+
+ case 's':
+ if ((given & 0x004f0000) == 0x004f0000)
+ {
+ /* PC relative with immediate offset. */
+ int offset = ((given & 0xf00) >> 4) | (given & 0xf);
+
+ if ((given & 0x00800000) == 0)
+ offset = -offset;
+
+ fprintf(stream, "[pc, #%d]\t; ", offset);
+
+ print_address(stream, offset + pc + 8);
+ }
+ else
+ {
+ fprintf(stream, "[%s",
+ arm_regnames[(given >> 16) & 0xf]);
+ if ((given & 0x01000000) != 0)
+ {
+ /* Pre-indexed. */
+ if ((given & 0x00400000) == 0x00400000)
+ {
+ /* Immediate. */
+ int offset = ((given & 0xf00) >> 4) | (given & 0xf);
+ if (offset)
+ fprintf(stream, ", %s#%d",
+ (((given & 0x00800000) == 0)
+ ? "-" : ""), offset);
+ }
+ else
+ {
+ /* Register. */
+ fprintf(stream, ", %s%s",
+ (((given & 0x00800000) == 0)
+ ? "-" : ""),
+ arm_regnames[given & 0xf]);
+ }
+
+ fprintf(stream, "]%s",
+ ((given & 0x00200000) != 0) ? "!" : "");
+ }
+ else
+ {
+ /* Post-indexed. */
+ if ((given & 0x00400000) == 0x00400000)
+ {
+ /* Immediate. */
+ int offset = ((given & 0xf00) >> 4) | (given & 0xf);
+ if (offset)
+ fprintf(stream, "], %s#%d",
+ (((given & 0x00800000) == 0)
+ ? "-" : ""), offset);
+ else
+ fprintf(stream, "]");
+ }
+ else
+ {
+ /* Register. */
+ fprintf(stream, "], %s%s",
+ (((given & 0x00800000) == 0)
+ ? "-" : ""),
+ arm_regnames[given & 0xf]);
+ }
+ }
+ }
+ break;
+
+ case 'b':
+ print_address(stream, BDISP (given) * 4 + pc + 8);
+ break;
+
+ case 'c':
+ fprintf(stream, "%s",
+ arm_conditional [(given >> 28) & 0xf]);
+ break;
+
+ case 'm':
+ {
+ int started = 0;
+ int reg;
+
+ fprintf(stream, "{");
+ for (reg = 0; reg < 16; reg++)
+ if ((given & (1 << reg)) != 0)
+ {
+ if (started)
+ fprintf(stream, ", ");
+ started = 1;
+ fprintf(stream, "%s", arm_regnames[reg]);
+ }
+ fprintf(stream, "}");
+ }
+ break;
+
+ case 'o':
+ if ((given & 0x02000000) != 0)
+ {
+ int rotate = (given & 0xf00) >> 7;
+ int immed = (given & 0xff);
+ immed = (((immed << (32 - rotate))
+ | (immed >> rotate)) & 0xffffffff);
+ fprintf(stream, "#%d\t; 0x%x", immed, immed);
+ }
+ else
+ arm_decode_shift (given, stream);
+ break;
+
+ case 'p':
+ if ((given & 0x0000f000) == 0x0000f000)
+ fprintf(stream, "p");
+ break;
+
+ case 't':
+ if ((given & 0x01200000) == 0x00200000)
+ fprintf(stream, "t");
+ break;
+
+ case 'A':
+ fprintf(stream, "[%s", arm_regnames [(given >> 16) & 0xf]);
+ if ((given & 0x01000000) != 0)
+ {
+ int offset = given & 0xff;
+ if (offset)
+ fprintf(stream, ", %s#%d]%s",
+ ((given & 0x00800000) == 0 ? "-" : ""),
+ offset * 4,
+ ((given & 0x00200000) != 0 ? "!" : ""));
+ else
+ fprintf(stream, "]");
+ }
+ else
+ {
+ int offset = given & 0xff;
+ if (offset)
+ fprintf(stream, "], %s#%d",
+ ((given & 0x00800000) == 0 ? "-" : ""),
+ offset * 4);
+ else
+ fprintf(stream, "]");
+ }
+ break;
+
+ case 'B':
+ /* Print ARM V5 BLX(1) address: pc+25 bits. */
+ {
+ u_int32_t address;
+ u_int32_t offset = 0;
+
+ if (given & 0x00800000)
+ /* Is signed, hi bits should be ones. */
+ offset = (-1) ^ 0x00ffffff;
+
+ /* Offset is (SignExtend(offset field)<<2). */
+ offset += given & 0x00ffffff;
+ offset <<= 2;
+ address = offset + pc + 8;
+
+ if (given & 0x01000000)
+ /* H bit allows addressing to 2-byte boundaries. */
+ address += 2;
+
+ print_address(stream, address);
+ }
+ break;
+
+ case 'I':
+ /* Print a Cirrus/DSP shift immediate. */
+ /* Immediates are 7bit signed ints with bits 0..3 in
+ bits 0..3 of opcode and bits 4..6 in bits 5..7
+ of opcode. */
+ {
+ int imm;
+
+ imm = (given & 0xf) | ((given & 0xe0) >> 1);
+
+ /* Is ``imm'' a negative number? */
+ if (imm & 0x40)
+ imm |= (-1 << 7);
+
+ fprintf(stream, "%d", imm);
+ }
+
+ break;
+
+ case 'C':
+ fprintf(stream, "_");
+ if (given & 0x80000)
+ fprintf(stream, "f");
+ if (given & 0x40000)
+ fprintf(stream, "s");
+ if (given & 0x20000)
+ fprintf(stream, "x");
+ if (given & 0x10000)
+ fprintf(stream, "c");
+ break;
+
+ case 'F':
+ switch (given & 0x00408000)
+ {
+ case 0:
+ fprintf(stream, "4");
+ break;
+ case 0x8000:
+ fprintf(stream, "1");
+ break;
+ case 0x00400000:
+ fprintf(stream, "2");
+ break;
+ default:
+ fprintf(stream, "3");
+ }
+ break;
+
+ case 'P':
+ switch (given & 0x00080080)
+ {
+ case 0:
+ fprintf(stream, "s");
+ break;
+ case 0x80:
+ fprintf(stream, "d");
+ break;
+ case 0x00080000:
+ fprintf(stream, "e");
+ break;
+ default:
+ fprintf(stream, "<illegal precision>");
+ break;
+ }
+ break;
+ case 'Q':
+ switch (given & 0x00408000)
+ {
+ case 0:
+ fprintf(stream, "s");
+ break;
+ case 0x8000:
+ fprintf(stream, "d");
+ break;
+ case 0x00400000:
+ fprintf(stream, "e");
+ break;
+ default:
+ fprintf(stream, "p");
+ break;
+ }
+ break;
+ case 'R':
+ switch (given & 0x60)
+ {
+ case 0:
+ break;
+ case 0x20:
+ fprintf(stream, "p");
+ break;
+ case 0x40:
+ fprintf(stream, "m");
+ break;
+ default:
+ fprintf(stream, "z");
+ break;
+ }
+ break;
+
+ case '0': case '1': case '2': case '3': case '4':
+ case '5': case '6': case '7': case '8': case '9':
+ {
+ int bitstart = *c++ - '0';
+ int bitend = 0;
+ while (*c >= '0' && *c <= '9')
+ bitstart = (bitstart * 10) + *c++ - '0';
+
+ switch (*c)
+ {
+ case '-':
+ c++;
+
+ while (*c >= '0' && *c <= '9')
+ bitend = (bitend * 10) + *c++ - '0';
+
+ if (!bitend)
+ return -1;
+
+ switch (*c)
+ {
+ case 'r':
+ {
+ int32_t reg;
+
+ reg = given >> bitstart;
+ reg &= (2 << (bitend - bitstart)) - 1;
+
+ fprintf(stream, "%s", arm_regnames[reg]);
+ }
+ break;
+ case 'd':
+ {
+ int32_t reg;
+
+ reg = given >> bitstart;
+ reg &= (2 << (bitend - bitstart)) - 1;
+
+ fprintf(stream, "%d", reg);
+ }
+ break;
+ case 'x':
+ {
+ int32_t reg;
+
+ reg = given >> bitstart;
+ reg &= (2 << (bitend - bitstart)) - 1;
+
+ fprintf(stream, "0x%08x", reg);
+
+ /* Some SWI instructions have special
+ meanings. */
+ if ((given & 0x0fffffff) == 0x0FF00000)
+ fprintf(stream, "\t; IMB");
+ else if ((given & 0x0fffffff) == 0x0FF00001)
+ fprintf(stream, "\t; IMBRange");
+ }
+ break;
+ case 'X':
+ {
+ int32_t reg;
+
+ reg = given >> bitstart;
+ reg &= (2 << (bitend - bitstart)) - 1;
+
+ fprintf(stream, "%01x", reg & 0xf);
+ }
+ break;
+ case 'f':
+ {
+ int32_t reg;
+
+ reg = given >> bitstart;
+ reg &= (2 << (bitend - bitstart)) - 1;
+
+ if (reg > 7)
+ fprintf(stream, "#%s",
+ arm_fp_const[reg & 7]);
+ else
+ fprintf(stream, "f%d", reg);
+ }
+ break;
+ default:
+ return -1;
+ }
+ break;
+
+ case 'y':
+ case 'z':
+ {
+ int single = *c == 'y';
+ int regno;
+
+ switch (bitstart)
+ {
+ case 4: /* Sm pair */
+ fprintf(stream, "{");
+ /* Fall through. */
+ case 0: /* Sm, Dm */
+ regno = given & 0x0000000f;
+ if (single)
+ {
+ regno <<= 1;
+ regno += (given >> 5) & 1;
+ }
+ break;
+
+ case 1: /* Sd, Dd */
+ regno = (given >> 12) & 0x0000000f;
+ if (single)
+ {
+ regno <<= 1;
+ regno += (given >> 22) & 1;
+ }
+ break;
+
+ case 2: /* Sn, Dn */
+ regno = (given >> 16) & 0x0000000f;
+ if (single)
+ {
+ regno <<= 1;
+ regno += (given >> 7) & 1;
+ }
+ break;
+
+ case 3: /* List */
+ fprintf(stream, "{");
+ regno = (given >> 12) & 0x0000000f;
+ if (single)
+ {
+ regno <<= 1;
+ regno += (given >> 22) & 1;
+ }
+ break;
+
+
+ default:
+ return -1;
+ }
+
+ fprintf(stream, "%c%d", single ? 's' : 'd', regno);
+
+ if (bitstart == 3)
+ {
+ int count = given & 0xff;
+
+ if (single == 0)
+ count >>= 1;
+
+ if (--count)
+ {
+ fprintf(stream, "-%c%d",
+ single ? 's' : 'd',
+ regno + count);
+ }
+
+ fprintf(stream, "}");
+ }
+ else if (bitstart == 4)
+ fprintf(stream, ", %c%d}", single ? 's' : 'd',
+ regno + 1);
+
+ break;
+ }
+
+ case '`':
+ c++;
+ if ((given & (1 << bitstart)) == 0)
+ fprintf(stream, "%c", *c);
+ break;
+ case '\'':
+ c++;
+ if ((given & (1 << bitstart)) != 0)
+ fprintf(stream, "%c", *c);
+ break;
+ case '?':
+ ++c;
+ if ((given & (1 << bitstart)) != 0)
+ fprintf(stream, "%c", *c++);
+ else
+ fprintf(stream, "%c", *++c);
+ break;
+ default:
+ return -1;
+ }
+ break;
+
+ default:
+ return -1;
+ }
+ }
+ }
+ else
+ fprintf(stream, "%c", *c);
+ }
+ return 0;
+ }
+ }
+ return -1;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-28 10:02:02 +0000