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/* Instruction printing code for the ARM
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Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
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Free Software Foundation, Inc.
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Contributed by Richard Earnshaw (rwe@pegasus.esprit.ec.org)
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Modification by James G. Smith (jsmith@cygnus.co.uk)
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This file is part of libopcodes.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2 of the License, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include "dis-asm.h" |
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struct arm_opcode {
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unsigned long value, mask; /* recognise instruction if (op&mask)==value */ |
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char *assembler; /* how to disassemble this instruction */ |
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}; |
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struct thumb_opcode
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{
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unsigned short value, mask; /* recognise instruction if (op&mask)==value */ |
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char * assembler; /* how to disassemble this instruction */ |
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}; |
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/* format of the assembler string :
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%% %
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%<bitfield>d print the bitfield in decimal
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%<bitfield>x print the bitfield in hex
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%<bitfield>X print the bitfield as 1 hex digit without leading "0x"
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%<bitfield>r print as an ARM register
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%<bitfield>f print a floating point constant if >7 else a
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floating point register
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%<code>y print a single precision VFP reg.
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Codes: 0=>Sm, 1=>Sd, 2=>Sn, 3=>multi-list, 4=>Sm pair
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%<code>z print a double precision VFP reg
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Codes: 0=>Dm, 1=>Dd, 2=>Dn, 3=>multi-list
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%c print condition code (always bits 28-31)
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%P print floating point precision in arithmetic insn
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%Q print floating point precision in ldf/stf insn
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%R print floating point rounding mode
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%<bitnum>'c print specified char iff bit is one
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%<bitnum>`c print specified char iff bit is zero
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%<bitnum>?ab print a if bit is one else print b
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%p print 'p' iff bits 12-15 are 15
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%t print 't' iff bit 21 set and bit 24 clear
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%o print operand2 (immediate or register + shift)
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%a print address for ldr/str instruction
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%s print address for ldr/str halfword/signextend instruction
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%b print branch destination
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%B print arm BLX(1) destination
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%A print address for ldc/stc/ldf/stf instruction
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%m print register mask for ldm/stm instruction
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%C print the PSR sub type.
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%F print the COUNT field of a LFM/SFM instruction.
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Thumb specific format options:
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%D print Thumb register (bits 0..2 as high number if bit 7 set)
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%S print Thumb register (bits 3..5 as high number if bit 6 set)
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%<bitfield>I print bitfield as a signed decimal
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(top bit of range being the sign bit)
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%M print Thumb register mask
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%N print Thumb register mask (with LR)
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%O print Thumb register mask (with PC)
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%T print Thumb condition code (always bits 8-11)
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%I print cirrus signed shift immediate: bits 0..3|4..6
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%<bitfield>B print Thumb branch destination (signed displacement)
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%<bitfield>W print (bitfield * 4) as a decimal
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%<bitfield>H print (bitfield * 2) as a decimal
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%<bitfield>a print (bitfield * 4) as a pc-rel offset + decoded symbol
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*/
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/* Note: There is a partial ordering in this table - it must be searched from
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the top to obtain a correct match. */
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static struct arm_opcode arm_opcodes[] = |
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{
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/* ARM instructions. */
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{0xe1a00000, 0xffffffff, "nop\t\t\t(mov r0,r0)"},
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{0x012FFF10, 0x0ffffff0, "bx%c\t%0-3r"},
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{0x00000090, 0x0fe000f0, "mul%c%20's\t%16-19r, %0-3r, %8-11r"},
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{0x00200090, 0x0fe000f0, "mla%c%20's\t%16-19r, %0-3r, %8-11r, %12-15r"},
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{0x01000090, 0x0fb00ff0, "swp%c%22'b\t%12-15r, %0-3r, [%16-19r]"},
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{0x00800090, 0x0fa000f0, "%22?sumull%c%20's\t%12-15r, %16-19r, %0-3r, %8-11r"},
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{0x00a00090, 0x0fa000f0, "%22?sumlal%c%20's\t%12-15r, %16-19r, %0-3r, %8-11r"},
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/* V5J instruction. */
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{0x012fff20, 0x0ffffff0, "bxj%c\t%0-3r"},
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/* XScale instructions. */
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{0x0e200010, 0x0fff0ff0, "mia%c\tacc0, %0-3r, %12-15r"},
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{0x0e280010, 0x0fff0ff0, "miaph%c\tacc0, %0-3r, %12-15r"},
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{0x0e2c0010, 0x0ffc0ff0, "mia%17'T%17`B%16'T%16`B%c\tacc0, %0-3r, %12-15r"},
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{0x0c400000, 0x0ff00fff, "mar%c\tacc0, %12-15r, %16-19r"},
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{0x0c500000, 0x0ff00fff, "mra%c\t%12-15r, %16-19r, acc0"},
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{0xf450f000, 0xfc70f000, "pld\t%a"},
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/* V5 Instructions. */
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{0xe1200070, 0xfff000f0, "bkpt\t0x%16-19X%12-15X%8-11X%0-3X"},
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{0xfa000000, 0xfe000000, "blx\t%B"},
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{0x012fff30, 0x0ffffff0, "blx%c\t%0-3r"},
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{0x016f0f10, 0x0fff0ff0, "clz%c\t%12-15r, %0-3r"},
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{0xfc100000, 0xfe100000, "ldc2%22'l\t%8-11d, cr%12-15d, %A"},
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{0xfc000000, 0xfe100000, "stc2%22'l\t%8-11d, cr%12-15d, %A"},
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{0xfe000000, 0xff000010, "cdp2\t%8-11d, %20-23d, cr%12-15d, cr%16-19d, cr%0-3d, {%5-7d}"},
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{0xfe000010, 0xff100010, "mcr2\t%8-11d, %21-23d, %12-15r, cr%16-19d, cr%0-3d, {%5-7d}"},
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{0xfe100010, 0xff100010, "mrc2\t%8-11d, %21-23d, %12-15r, cr%16-19d, cr%0-3d, {%5-7d}"},
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/* V5E "El Segundo" Instructions. */
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{0x000000d0, 0x0e1000f0, "ldr%cd\t%12-15r, %s"},
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{0x000000f0, 0x0e1000f0, "str%cd\t%12-15r, %s"},
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{0x01000080, 0x0ff000f0, "smlabb%c\t%16-19r, %0-3r, %8-11r, %12-15r"},
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{0x010000a0, 0x0ff000f0, "smlatb%c\t%16-19r, %0-3r, %8-11r, %12-15r"},
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{0x010000c0, 0x0ff000f0, "smlabt%c\t%16-19r, %0-3r, %8-11r, %12-15r"},
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{0x010000e0, 0x0ff000f0, "smlatt%c\t%16-19r, %0-3r, %8-11r, %12-15r"},
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{0x01200080, 0x0ff000f0, "smlawb%c\t%16-19r, %0-3r, %8-11r, %12-15r"},
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{0x012000c0, 0x0ff000f0, "smlawt%c\t%16-19r, %0-3r, %8-11r, %12-15r"},
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{0x01400080, 0x0ff000f0, "smlalbb%c\t%12-15r, %16-19r, %0-3r, %8-11r"},
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{0x014000a0, 0x0ff000f0, "smlaltb%c\t%12-15r, %16-19r, %0-3r, %8-11r"},
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{0x014000c0, 0x0ff000f0, "smlalbt%c\t%12-15r, %16-19r, %0-3r, %8-11r"},
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{0x014000e0, 0x0ff000f0, "smlaltt%c\t%12-15r, %16-19r, %0-3r, %8-11r"},
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{0x01600080, 0x0ff0f0f0, "smulbb%c\t%16-19r, %0-3r, %8-11r"},
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{0x016000a0, 0x0ff0f0f0, "smultb%c\t%16-19r, %0-3r, %8-11r"},
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{0x016000c0, 0x0ff0f0f0, "smulbt%c\t%16-19r, %0-3r, %8-11r"},
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{0x016000e0, 0x0ff0f0f0, "smultt%c\t%16-19r, %0-3r, %8-11r"},
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{0x012000a0, 0x0ff0f0f0, "smulwb%c\t%16-19r, %0-3r, %8-11r"},
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{0x012000e0, 0x0ff0f0f0, "smulwt%c\t%16-19r, %0-3r, %8-11r"},
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{0x01000050, 0x0ff00ff0, "qadd%c\t%12-15r, %0-3r, %16-19r"},
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{0x01400050, 0x0ff00ff0, "qdadd%c\t%12-15r, %0-3r, %16-19r"},
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{0x01200050, 0x0ff00ff0, "qsub%c\t%12-15r, %0-3r, %16-19r"},
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{0x01600050, 0x0ff00ff0, "qdsub%c\t%12-15r, %0-3r, %16-19r"},
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{0x0c400000, 0x0ff00000, "mcrr%c\t%8-11d, %4-7d, %12-15r, %16-19r, cr%0-3d"},
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{0x0c500000, 0x0ff00000, "mrrc%c\t%8-11d, %4-7d, %12-15r, %16-19r, cr%0-3d"},
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/* ARM Instructions. */
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{0x00000090, 0x0e100090, "str%c%6's%5?hb\t%12-15r, %s"},
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{0x00100090, 0x0e100090, "ldr%c%6's%5?hb\t%12-15r, %s"},
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{0x00000000, 0x0de00000, "and%c%20's\t%12-15r, %16-19r, %o"},
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{0x00200000, 0x0de00000, "eor%c%20's\t%12-15r, %16-19r, %o"},
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{0x00400000, 0x0de00000, "sub%c%20's\t%12-15r, %16-19r, %o"},
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{0x00600000, 0x0de00000, "rsb%c%20's\t%12-15r, %16-19r, %o"},
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{0x00800000, 0x0de00000, "add%c%20's\t%12-15r, %16-19r, %o"},
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{0x00a00000, 0x0de00000, "adc%c%20's\t%12-15r, %16-19r, %o"},
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{0x00c00000, 0x0de00000, "sbc%c%20's\t%12-15r, %16-19r, %o"},
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{0x00e00000, 0x0de00000, "rsc%c%20's\t%12-15r, %16-19r, %o"},
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{0x0120f000, 0x0db0f000, "msr%c\t%22?SCPSR%C, %o"},
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{0x010f0000, 0x0fbf0fff, "mrs%c\t%12-15r, %22?SCPSR"},
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{0x01000000, 0x0de00000, "tst%c%p\t%16-19r, %o"},
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{0x01200000, 0x0de00000, "teq%c%p\t%16-19r, %o"},
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{0x01400000, 0x0de00000, "cmp%c%p\t%16-19r, %o"},
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{0x01600000, 0x0de00000, "cmn%c%p\t%16-19r, %o"},
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{0x01800000, 0x0de00000, "orr%c%20's\t%12-15r, %16-19r, %o"},
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{0x01a00000, 0x0de00000, "mov%c%20's\t%12-15r, %o"},
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{0x01c00000, 0x0de00000, "bic%c%20's\t%12-15r, %16-19r, %o"},
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{0x01e00000, 0x0de00000, "mvn%c%20's\t%12-15r, %o"},
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{0x04000000, 0x0e100000, "str%c%22'b%t\t%12-15r, %a"},
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{0x06000000, 0x0e100ff0, "str%c%22'b%t\t%12-15r, %a"},
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{0x04000000, 0x0c100010, "str%c%22'b%t\t%12-15r, %a"},
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{0x06000010, 0x0e000010, "undefined"},
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{0x04100000, 0x0c100000, "ldr%c%22'b%t\t%12-15r, %a"},
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{0x08000000, 0x0e100000, "stm%c%23?id%24?ba\t%16-19r%21'!, %m%22'^"},
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{0x08100000, 0x0e100000, "ldm%c%23?id%24?ba\t%16-19r%21'!, %m%22'^"},
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{0x0a000000, 0x0e000000, "b%24'l%c\t%b"},
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{0x0f000000, 0x0f000000, "swi%c\t%0-23x"},
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/* Floating point coprocessor (FPA) instructions */
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{0x0e000100, 0x0ff08f10, "adf%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0e100100, 0x0ff08f10, "muf%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0e200100, 0x0ff08f10, "suf%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0e300100, 0x0ff08f10, "rsf%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0e400100, 0x0ff08f10, "dvf%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0e500100, 0x0ff08f10, "rdf%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0e600100, 0x0ff08f10, "pow%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0e700100, 0x0ff08f10, "rpw%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0e800100, 0x0ff08f10, "rmf%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0e900100, 0x0ff08f10, "fml%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0ea00100, 0x0ff08f10, "fdv%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0eb00100, 0x0ff08f10, "frd%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0ec00100, 0x0ff08f10, "pol%c%P%R\t%12-14f, %16-18f, %0-3f"},
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{0x0e008100, 0x0ff08f10, "mvf%c%P%R\t%12-14f, %0-3f"},
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{0x0e108100, 0x0ff08f10, "mnf%c%P%R\t%12-14f, %0-3f"},
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{0x0e208100, 0x0ff08f10, "abs%c%P%R\t%12-14f, %0-3f"},
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| 199 |
{0x0e308100, 0x0ff08f10, "rnd%c%P%R\t%12-14f, %0-3f"},
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| 200 |
{0x0e408100, 0x0ff08f10, "sqt%c%P%R\t%12-14f, %0-3f"},
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| 201 |
{0x0e508100, 0x0ff08f10, "log%c%P%R\t%12-14f, %0-3f"},
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| 202 |
{0x0e608100, 0x0ff08f10, "lgn%c%P%R\t%12-14f, %0-3f"},
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| 203 |
{0x0e708100, 0x0ff08f10, "exp%c%P%R\t%12-14f, %0-3f"},
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| 204 |
{0x0e808100, 0x0ff08f10, "sin%c%P%R\t%12-14f, %0-3f"},
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{0x0e908100, 0x0ff08f10, "cos%c%P%R\t%12-14f, %0-3f"},
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| 206 |
{0x0ea08100, 0x0ff08f10, "tan%c%P%R\t%12-14f, %0-3f"},
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{0x0eb08100, 0x0ff08f10, "asn%c%P%R\t%12-14f, %0-3f"},
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| 208 |
{0x0ec08100, 0x0ff08f10, "acs%c%P%R\t%12-14f, %0-3f"},
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| 209 |
{0x0ed08100, 0x0ff08f10, "atn%c%P%R\t%12-14f, %0-3f"},
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| 210 |
{0x0ee08100, 0x0ff08f10, "urd%c%P%R\t%12-14f, %0-3f"},
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| 211 |
{0x0ef08100, 0x0ff08f10, "nrm%c%P%R\t%12-14f, %0-3f"},
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| 212 |
{0x0e000110, 0x0ff00f1f, "flt%c%P%R\t%16-18f, %12-15r"},
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| 213 |
{0x0e100110, 0x0fff0f98, "fix%c%R\t%12-15r, %0-2f"},
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| 214 |
{0x0e200110, 0x0fff0fff, "wfs%c\t%12-15r"},
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| 215 |
{0x0e300110, 0x0fff0fff, "rfs%c\t%12-15r"},
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| 216 |
{0x0e400110, 0x0fff0fff, "wfc%c\t%12-15r"},
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| 217 |
{0x0e500110, 0x0fff0fff, "rfc%c\t%12-15r"},
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{0x0e90f110, 0x0ff8fff0, "cmf%c\t%16-18f, %0-3f"},
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{0x0eb0f110, 0x0ff8fff0, "cnf%c\t%16-18f, %0-3f"},
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{0x0ed0f110, 0x0ff8fff0, "cmfe%c\t%16-18f, %0-3f"},
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{0x0ef0f110, 0x0ff8fff0, "cnfe%c\t%16-18f, %0-3f"},
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{0x0c000100, 0x0e100f00, "stf%c%Q\t%12-14f, %A"},
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{0x0c100100, 0x0e100f00, "ldf%c%Q\t%12-14f, %A"},
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{0x0c000200, 0x0e100f00, "sfm%c\t%12-14f, %F, %A"},
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| 225 |
{0x0c100200, 0x0e100f00, "lfm%c\t%12-14f, %F, %A"},
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| 227 |
/* Floating point coprocessor (VFP) instructions */
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{0x0eb00bc0, 0x0fff0ff0, "fabsd%c\t%1z, %0z"},
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{0x0eb00ac0, 0x0fbf0fd0, "fabss%c\t%1y, %0y"},
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| 230 |
{0x0e300b00, 0x0ff00ff0, "faddd%c\t%1z, %2z, %0z"},
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{0x0e300a00, 0x0fb00f50, "fadds%c\t%1y, %2y, %1y"},
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{0x0eb40b40, 0x0fff0f70, "fcmp%7'ed%c\t%1z, %0z"},
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{0x0eb40a40, 0x0fbf0f50, "fcmp%7'es%c\t%1y, %0y"},
|
| 234 |
{0x0eb50b40, 0x0fff0f70, "fcmp%7'ezd%c\t%1z"},
|
| 235 |
{0x0eb50a40, 0x0fbf0f70, "fcmp%7'ezs%c\t%1y"},
|
| 236 |
{0x0eb00b40, 0x0fff0ff0, "fcpyd%c\t%1z, %0z"},
|
| 237 |
{0x0eb00a40, 0x0fbf0fd0, "fcpys%c\t%1y, %0y"},
|
| 238 |
{0x0eb70ac0, 0x0fff0fd0, "fcvtds%c\t%1z, %0y"},
|
| 239 |
{0x0eb70bc0, 0x0fbf0ff0, "fcvtsd%c\t%1y, %0z"},
|
| 240 |
{0x0e800b00, 0x0ff00ff0, "fdivd%c\t%1z, %2z, %0z"},
|
| 241 |
{0x0e800a00, 0x0fb00f50, "fdivs%c\t%1y, %2y, %0y"},
|
| 242 |
{0x0d100b00, 0x0f700f00, "fldd%c\t%1z, %A"},
|
| 243 |
{0x0c900b00, 0x0fd00f00, "fldmia%0?xd%c\t%16-19r%21'!, %3z"},
|
| 244 |
{0x0d300b00, 0x0ff00f00, "fldmdb%0?xd%c\t%16-19r!, %3z"},
|
| 245 |
{0x0d100a00, 0x0f300f00, "flds%c\t%1y, %A"},
|
| 246 |
{0x0c900a00, 0x0f900f00, "fldmias%c\t%16-19r%21'!, %3y"},
|
| 247 |
{0x0d300a00, 0x0fb00f00, "fldmdbs%c\t%16-19r!, %3y"},
|
| 248 |
{0x0e000b00, 0x0ff00ff0, "fmacd%c\t%1z, %2z, %0z"},
|
| 249 |
{0x0e000a00, 0x0fb00f50, "fmacs%c\t%1y, %2y, %0y"},
|
| 250 |
{0x0e200b10, 0x0ff00fff, "fmdhr%c\t%2z, %12-15r"},
|
| 251 |
{0x0e000b10, 0x0ff00fff, "fmdlr%c\t%2z, %12-15r"},
|
| 252 |
{0x0c400b10, 0x0ff00ff0, "fmdrr%c\t%0z, %12-15r, %16-19r"},
|
| 253 |
{0x0e300b10, 0x0ff00fff, "fmrdh%c\t%12-15r, %2z"},
|
| 254 |
{0x0e100b10, 0x0ff00fff, "fmrdl%c\t%12-15r, %2z"},
|
| 255 |
{0x0c500b10, 0x0ff00ff0, "fmrrd%c\t%12-15r, %16-19r, %0z"},
|
| 256 |
{0x0c500a10, 0x0ff00fd0, "fmrrs%c\t%12-15r, %16-19r, %4y"},
|
| 257 |
{0x0e100a10, 0x0ff00f7f, "fmrs%c\t%12-15r, %2y"},
|
| 258 |
{0x0ef1fa10, 0x0fffffff, "fmstat%c"},
|
| 259 |
{0x0ef00a10, 0x0fff0fff, "fmrx%c\t%12-15r, fpsid"},
|
| 260 |
{0x0ef10a10, 0x0fff0fff, "fmrx%c\t%12-15r, fpscr"},
|
| 261 |
{0x0ef80a10, 0x0fff0fff, "fmrx%c\t%12-15r, fpexc"},
|
| 262 |
{0x0ef90a10, 0x0fff0fff, "fmrx%c\t%12-15r, fpinst\t@ Impl def"},
|
| 263 |
{0x0efa0a10, 0x0fff0fff, "fmrx%c\t%12-15r, fpinst2\t@ Impl def"},
|
| 264 |
{0x0ef00a10, 0x0ff00fff, "fmrx%c\t%12-15r, <impl def 0x%16-19x>"},
|
| 265 |
{0x0e100b00, 0x0ff00ff0, "fmscd%c\t%1z, %2z, %0z"},
|
| 266 |
{0x0e100a00, 0x0fb00f50, "fmscs%c\t%1y, %2y, %0y"},
|
| 267 |
{0x0e000a10, 0x0ff00f7f, "fmsr%c\t%2y, %12-15r"},
|
| 268 |
{0x0c400a10, 0x0ff00fd0, "fmsrr%c\t%12-15r, %16-19r, %4y"},
|
| 269 |
{0x0e200b00, 0x0ff00ff0, "fmuld%c\t%1z, %2z, %0z"},
|
| 270 |
{0x0e200a00, 0x0fb00f50, "fmuls%c\t%1y, %2y, %0y"},
|
| 271 |
{0x0ee00a10, 0x0fff0fff, "fmxr%c\tfpsid, %12-15r"},
|
| 272 |
{0x0ee10a10, 0x0fff0fff, "fmxr%c\tfpscr, %12-15r"},
|
| 273 |
{0x0ee80a10, 0x0fff0fff, "fmxr%c\tfpexc, %12-15r"},
|
| 274 |
{0x0ee90a10, 0x0fff0fff, "fmxr%c\tfpinst, %12-15r\t@ Impl def"},
|
| 275 |
{0x0eea0a10, 0x0fff0fff, "fmxr%c\tfpinst2, %12-15r\t@ Impl def"},
|
| 276 |
{0x0ee00a10, 0x0ff00fff, "fmxr%c\t<impl def 0x%16-19x>, %12-15r"},
|
| 277 |
{0x0eb10b40, 0x0fff0ff0, "fnegd%c\t%1z, %0z"},
|
| 278 |
{0x0eb10a40, 0x0fbf0fd0, "fnegs%c\t%1y, %0y"},
|
| 279 |
{0x0e000b40, 0x0ff00ff0, "fnmacd%c\t%1z, %2z, %0z"},
|
| 280 |
{0x0e000a40, 0x0fb00f50, "fnmacs%c\t%1y, %2y, %0y"},
|
| 281 |
{0x0e100b40, 0x0ff00ff0, "fnmscd%c\t%1z, %2z, %0z"},
|
| 282 |
{0x0e100a40, 0x0fb00f50, "fnmscs%c\t%1y, %2y, %0y"},
|
| 283 |
{0x0e200b40, 0x0ff00ff0, "fnmuld%c\t%1z, %2z, %0z"},
|
| 284 |
{0x0e200a40, 0x0fb00f50, "fnmuls%c\t%1y, %2y, %0y"},
|
| 285 |
{0x0eb80bc0, 0x0fff0fd0, "fsitod%c\t%1z, %0y"},
|
| 286 |
{0x0eb80ac0, 0x0fbf0fd0, "fsitos%c\t%1y, %0y"},
|
| 287 |
{0x0eb10bc0, 0x0fff0ff0, "fsqrtd%c\t%1z, %0z"},
|
| 288 |
{0x0eb10ac0, 0x0fbf0fd0, "fsqrts%c\t%1y, %0y"},
|
| 289 |
{0x0d000b00, 0x0f700f00, "fstd%c\t%1z, %A"},
|
| 290 |
{0x0c800b00, 0x0fd00f00, "fstmia%0?xd%c\t%16-19r%21'!, %3z"},
|
| 291 |
{0x0d200b00, 0x0ff00f00, "fstmdb%0?xd%c\t%16-19r!, %3z"},
|
| 292 |
{0x0d000a00, 0x0f300f00, "fsts%c\t%1y, %A"},
|
| 293 |
{0x0c800a00, 0x0f900f00, "fstmias%c\t%16-19r%21'!, %3y"},
|
| 294 |
{0x0d200a00, 0x0fb00f00, "fstmdbs%c\t%16-19r!, %3y"},
|
| 295 |
{0x0e300b40, 0x0ff00ff0, "fsubd%c\t%1z, %2z, %0z"},
|
| 296 |
{0x0e300a40, 0x0fb00f50, "fsubs%c\t%1y, %2y, %0y"},
|
| 297 |
{0x0ebc0b40, 0x0fbe0f70, "fto%16?sui%7'zd%c\t%1y, %0z"},
|
| 298 |
{0x0ebc0a40, 0x0fbe0f50, "fto%16?sui%7'zs%c\t%1y, %0y"},
|
| 299 |
{0x0eb80b40, 0x0fff0fd0, "fuitod%c\t%1z, %0y"},
|
| 300 |
{0x0eb80a40, 0x0fbf0fd0, "fuitos%c\t%1y, %0y"},
|
| 301 |
|
| 302 |
/* Cirrus coprocessor instructions. */
|
| 303 |
{0x0d100400, 0x0f500f00, "cfldrs%c\tmvf%12-15d, %A"},
|
| 304 |
{0x0c100400, 0x0f500f00, "cfldrs%c\tmvf%12-15d, %A"},
|
| 305 |
{0x0d500400, 0x0f500f00, "cfldrd%c\tmvd%12-15d, %A"},
|
| 306 |
{0x0c500400, 0x0f500f00, "cfldrd%c\tmvd%12-15d, %A"},
|
| 307 |
{0x0d100500, 0x0f500f00, "cfldr32%c\tmvfx%12-15d, %A"},
|
| 308 |
{0x0c100500, 0x0f500f00, "cfldr32%c\tmvfx%12-15d, %A"},
|
| 309 |
{0x0d500500, 0x0f500f00, "cfldr64%c\tmvdx%12-15d, %A"},
|
| 310 |
{0x0c500500, 0x0f500f00, "cfldr64%c\tmvdx%12-15d, %A"},
|
| 311 |
{0x0d000400, 0x0f500f00, "cfstrs%c\tmvf%12-15d, %A"},
|
| 312 |
{0x0c000400, 0x0f500f00, "cfstrs%c\tmvf%12-15d, %A"},
|
| 313 |
{0x0d400400, 0x0f500f00, "cfstrd%c\tmvd%12-15d, %A"},
|
| 314 |
{0x0c400400, 0x0f500f00, "cfstrd%c\tmvd%12-15d, %A"},
|
| 315 |
{0x0d000500, 0x0f500f00, "cfstr32%c\tmvfx%12-15d, %A"},
|
| 316 |
{0x0c000500, 0x0f500f00, "cfstr32%c\tmvfx%12-15d, %A"},
|
| 317 |
{0x0d400500, 0x0f500f00, "cfstr64%c\tmvdx%12-15d, %A"},
|
| 318 |
{0x0c400500, 0x0f500f00, "cfstr64%c\tmvdx%12-15d, %A"},
|
| 319 |
{0x0e000450, 0x0ff00ff0, "cfmvsr%c\tmvf%16-19d, %12-15r"},
|
| 320 |
{0x0e100450, 0x0ff00ff0, "cfmvrs%c\t%12-15r, mvf%16-19d"},
|
| 321 |
{0x0e000410, 0x0ff00ff0, "cfmvdlr%c\tmvd%16-19d, %12-15r"},
|
| 322 |
{0x0e100410, 0x0ff00ff0, "cfmvrdl%c\t%12-15r, mvd%16-19d"},
|
| 323 |
{0x0e000430, 0x0ff00ff0, "cfmvdhr%c\tmvd%16-19d, %12-15r"},
|
| 324 |
{0x0e100430, 0x0ff00fff, "cfmvrdh%c\t%12-15r, mvd%16-19d"},
|
| 325 |
{0x0e000510, 0x0ff00fff, "cfmv64lr%c\tmvdx%16-19d, %12-15r"},
|
| 326 |
{0x0e100510, 0x0ff00fff, "cfmvr64l%c\t%12-15r, mvdx%16-19d"},
|
| 327 |
{0x0e000530, 0x0ff00fff, "cfmv64hr%c\tmvdx%16-19d, %12-15r"},
|
| 328 |
{0x0e100530, 0x0ff00fff, "cfmvr64h%c\t%12-15r, mvdx%16-19d"},
|
| 329 |
{0x0e100610, 0x0ff0fff0, "cfmval32%c\tmvax%0-3d, mvfx%16-19d"},
|
| 330 |
{0x0e000610, 0x0ff0fff0, "cfmv32al%c\tmvfx%0-3d, mvax%16-19d"},
|
| 331 |
{0x0e100630, 0x0ff0fff0, "cfmvam32%c\tmvax%0-3d, mvfx%16-19d"},
|
| 332 |
{0x0e000630, 0x0ff0fff0, "cfmv32am%c\tmvfx%0-3d, mvax%16-19d"},
|
| 333 |
{0x0e100650, 0x0ff0fff0, "cfmvah32%c\tmvax%0-3d, mvfx%16-19d"},
|
| 334 |
{0x0e000650, 0x0ff0fff0, "cfmv32ah%c\tmvfx%0-3d, mvax%16-19d"},
|
| 335 |
{0x0e000670, 0x0ff0fff0, "cfmv32a%c\tmvfx%0-3d, mvax%16-19d"},
|
| 336 |
{0x0e100670, 0x0ff0fff0, "cfmva32%c\tmvax%0-3d, mvfx%16-19d"},
|
| 337 |
{0x0e000690, 0x0ff0fff0, "cfmv64a%c\tmvdx%0-3d, mvax%16-19d"},
|
| 338 |
{0x0e100690, 0x0ff0fff0, "cfmva64%c\tmvax%0-3d, mvdx%16-19d"},
|
| 339 |
{0x0e1006b0, 0x0ff0fff0, "cfmvsc32%c\tdspsc, mvfx%16-19d"},
|
| 340 |
{0x0e0006b0, 0x0ff0fff0, "cfmv32sc%c\tmvfx%0-3d, dspsc"},
|
| 341 |
{0x0e000400, 0x0ff00fff, "cfcpys%c\tmvf%12-15d, mvf%16-19d"},
|
| 342 |
{0x0e000420, 0x0ff00fff, "cfcpyd%c\tmvd%12-15d, mvd%16-19d"},
|
| 343 |
{0x0e000460, 0x0ff00fff, "cfcvtsd%c\tmvd%12-15d, mvf%16-19d"},
|
| 344 |
{0x0e000440, 0x0ff00fff, "cfcvtds%c\tmvf%12-15d, mvd%16-19d"},
|
| 345 |
{0x0e000480, 0x0ff00fff, "cfcvt32s%c\tmvf%12-15d, mvfx%16-19d"},
|
| 346 |
{0x0e0004a0, 0x0ff00fff, "cfcvt32d%c\tmvd%12-15d, mvfx%16-19d"},
|
| 347 |
{0x0e0004c0, 0x0ff00fff, "cfcvt64s%c\tmvf%12-15d, mvdx%16-19d"},
|
| 348 |
{0x0e0004e0, 0x0ff00fff, "cfcvt64d%c\tmvd%12-15d, mvdx%16-19d"},
|
| 349 |
{0x0e100580, 0x0ff00fff, "cfcvts32%c\tmvfx%12-15d, mvf%16-19d"},
|
| 350 |
{0x0e1005a0, 0x0ff00fff, "cfcvtd32%c\tmvfx%12-15d, mvd%16-19d"},
|
| 351 |
{0x0e1005c0, 0x0ff00fff, "cftruncs32%c\tmvfx%12-15d, mvf%16-19d"},
|
| 352 |
{0x0e1005e0, 0x0ff00fff, "cftruncd32%c\tmvfx%12-15d, mvd%16-19d"},
|
| 353 |
{0x0e000550, 0x0ff00ff0, "cfrshl32%c\tmvfx%16-19d, mvfx%0-3d, %12-15r"},
|
| 354 |
{0x0e000570, 0x0ff00ff0, "cfrshl64%c\tmvdx%16-19d, mvdx%0-3d, %12-15r"},
|
| 355 |
{0x0e000500, 0x0ff00f00, "cfsh32%c\tmvfx%12-15d, mvfx%16-19d, #%I"},
|
| 356 |
{0x0e200500, 0x0ff00f00, "cfsh64%c\tmvdx%12-15d, mvdx%16-19d, #%I"},
|
| 357 |
{0x0e100490, 0x0ff00ff0, "cfcmps%c\t%12-15r, mvf%16-19d, mvf%0-3d"},
|
| 358 |
{0x0e1004b0, 0x0ff00ff0, "cfcmpd%c\t%12-15r, mvd%16-19d, mvd%0-3d"},
|
| 359 |
{0x0e100590, 0x0ff00ff0, "cfcmp32%c\t%12-15r, mvfx%16-19d, mvfx%0-3d"},
|
| 360 |
{0x0e1005b0, 0x0ff00ff0, "cfcmp64%c\t%12-15r, mvdx%16-19d, mvdx%0-3d"},
|
| 361 |
{0x0e300400, 0x0ff00fff, "cfabss%c\tmvf%12-15d, mvf%16-19d"},
|
| 362 |
{0x0e300420, 0x0ff00fff, "cfabsd%c\tmvd%12-15d, mvd%16-19d"},
|
| 363 |
{0x0e300440, 0x0ff00fff, "cfnegs%c\tmvf%12-15d, mvf%16-19d"},
|
| 364 |
{0x0e300460, 0x0ff00fff, "cfnegd%c\tmvd%12-15d, mvd%16-19d"},
|
| 365 |
{0x0e300480, 0x0ff00ff0, "cfadds%c\tmvf%12-15d, mvf%16-19d, mvf%0-3d"},
|
| 366 |
{0x0e3004a0, 0x0ff00ff0, "cfaddd%c\tmvd%12-15d, mvd%16-19d, mvd%0-3d"},
|
| 367 |
{0x0e3004c0, 0x0ff00ff0, "cfsubs%c\tmvf%12-15d, mvf%16-19d, mvf%0-3d"},
|
| 368 |
{0x0e3004e0, 0x0ff00ff0, "cfsubd%c\tmvd%12-15d, mvd%16-19d, mvd%0-3d"},
|
| 369 |
{0x0e100400, 0x0ff00ff0, "cfmuls%c\tmvf%12-15d, mvf%16-19d, mvf%0-3d"},
|
| 370 |
{0x0e100420, 0x0ff00ff0, "cfmuld%c\tmvd%12-15d, mvd%16-19d, mvd%0-3d"},
|
| 371 |
{0x0e300500, 0x0ff00fff, "cfabs32%c\tmvfx%12-15d, mvfx%16-19d"},
|
| 372 |
{0x0e300520, 0x0ff00fff, "cfabs64%c\tmvdx%12-15d, mvdx%16-19d"},
|
| 373 |
{0x0e300540, 0x0ff00fff, "cfneg32%c\tmvfx%12-15d, mvfx%16-19d"},
|
| 374 |
{0x0e300560, 0x0ff00fff, "cfneg64%c\tmvdx%12-15d, mvdx%16-19d"},
|
| 375 |
{0x0e300580, 0x0ff00ff0, "cfadd32%c\tmvfx%12-15d, mvfx%16-19d, mvfx%0-3d"},
|
| 376 |
{0x0e3005a0, 0x0ff00ff0, "cfadd64%c\tmvdx%12-15d, mvdx%16-19d, mvdx%0-3d"},
|
| 377 |
{0x0e3005c0, 0x0ff00ff0, "cfsub32%c\tmvfx%12-15d, mvfx%16-19d, mvfx%0-3d"},
|
| 378 |
{0x0e3005e0, 0x0ff00ff0, "cfsub64%c\tmvdx%12-15d, mvdx%16-19d, mvdx%0-3d"},
|
| 379 |
{0x0e100500, 0x0ff00ff0, "cfmul32%c\tmvfx%12-15d, mvfx%16-19d, mvfx%0-3d"},
|
| 380 |
{0x0e100520, 0x0ff00ff0, "cfmul64%c\tmvdx%12-15d, mvdx%16-19d, mvdx%0-3d"},
|
| 381 |
{0x0e100540, 0x0ff00ff0, "cfmac32%c\tmvfx%12-15d, mvfx%16-19d, mvfx%0-3d"},
|
| 382 |
{0x0e100560, 0x0ff00ff0, "cfmsc32%c\tmvfx%12-15d, mvfx%16-19d, mvfx%0-3d"},
|
| 383 |
{0x0e000600, 0x0ff00f00, "cfmadd32%c\tmvax%5-7d, mvfx%12-15d, mvfx%16-19d, mvfx%0-3d"},
|
| 384 |
{0x0e100600, 0x0ff00f00, "cfmsub32%c\tmvax%5-7d, mvfx%12-15d, mvfx%16-19d, mvfx%0-3d"},
|
| 385 |
{0x0e200600, 0x0ff00f00, "cfmadda32%c\tmvax%5-7d, mvax%12-15d, mvfx%16-19d, mvfx%0-3d"},
|
| 386 |
{0x0e300600, 0x0ff00f00, "cfmsuba32%c\tmvax%5-7d, mvax%12-15d, mvfx%16-19d, mvfx%0-3d"},
|
| 387 |
|
| 388 |
/* Generic coprocessor instructions */
|
| 389 |
{0x0e000000, 0x0f000010, "cdp%c\t%8-11d, %20-23d, cr%12-15d, cr%16-19d, cr%0-3d, {%5-7d}"},
|
| 390 |
{0x0e100010, 0x0f100010, "mrc%c\t%8-11d, %21-23d, %12-15r, cr%16-19d, cr%0-3d, {%5-7d}"},
|
| 391 |
{0x0e000010, 0x0f100010, "mcr%c\t%8-11d, %21-23d, %12-15r, cr%16-19d, cr%0-3d, {%5-7d}"},
|
| 392 |
{0x0c000000, 0x0e100000, "stc%c%22'l\t%8-11d, cr%12-15d, %A"},
|
| 393 |
{0x0c100000, 0x0e100000, "ldc%c%22'l\t%8-11d, cr%12-15d, %A"},
|
| 394 |
|
| 395 |
/* The rest. */
|
| 396 |
{0x00000000, 0x00000000, "undefined instruction %0-31x"},
|
| 397 |
{0x00000000, 0x00000000, 0}
|
| 398 |
}; |
| 399 |
|
| 400 |
#define BDISP(x) ((((x) & 0xffffff) ^ 0x800000) - 0x800000) /* 26 bit */ |
| 401 |
|
| 402 |
static struct thumb_opcode thumb_opcodes[] = |
| 403 |
{
|
| 404 |
/* Thumb instructions. */
|
| 405 |
|
| 406 |
/* ARM V5 ISA extends Thumb. */
|
| 407 |
{0xbe00, 0xff00, "bkpt\t%0-7x"},
|
| 408 |
{0x4780, 0xff87, "blx\t%3-6r"}, /* note: 4 bit register number. */
|
| 409 |
/* Note: this is BLX(2). BLX(1) is done in arm-dis.c/print_insn_thumb()
|
| 410 |
as an extension of the special processing there for Thumb BL.
|
| 411 |
BL and BLX(1) involve 2 successive 16-bit instructions, which must
|
| 412 |
always appear together in the correct order. So, the empty
|
| 413 |
string is put in this table, and the string interpreter takes <empty>
|
| 414 |
to mean it has a pair of BL-ish instructions. */
|
| 415 |
{0x46C0, 0xFFFF, "nop\t\t\t(mov r8, r8)"},
|
| 416 |
/* Format 5 instructions do not update the PSR. */
|
| 417 |
{0x1C00, 0xFFC0, "mov\t%0-2r, %3-5r\t\t(add %0-2r, %3-5r, #%6-8d)"},
|
| 418 |
/* Format 4. */
|
| 419 |
{0x4000, 0xFFC0, "and\t%0-2r, %3-5r"},
|
| 420 |
{0x4040, 0xFFC0, "eor\t%0-2r, %3-5r"},
|
| 421 |
{0x4080, 0xFFC0, "lsl\t%0-2r, %3-5r"},
|
| 422 |
{0x40C0, 0xFFC0, "lsr\t%0-2r, %3-5r"},
|
| 423 |
{0x4100, 0xFFC0, "asr\t%0-2r, %3-5r"},
|
| 424 |
{0x4140, 0xFFC0, "adc\t%0-2r, %3-5r"},
|
| 425 |
{0x4180, 0xFFC0, "sbc\t%0-2r, %3-5r"},
|
| 426 |
{0x41C0, 0xFFC0, "ror\t%0-2r, %3-5r"},
|
| 427 |
{0x4200, 0xFFC0, "tst\t%0-2r, %3-5r"},
|
| 428 |
{0x4240, 0xFFC0, "neg\t%0-2r, %3-5r"},
|
| 429 |
{0x4280, 0xFFC0, "cmp\t%0-2r, %3-5r"},
|
| 430 |
{0x42C0, 0xFFC0, "cmn\t%0-2r, %3-5r"},
|
| 431 |
{0x4300, 0xFFC0, "orr\t%0-2r, %3-5r"},
|
| 432 |
{0x4340, 0xFFC0, "mul\t%0-2r, %3-5r"},
|
| 433 |
{0x4380, 0xFFC0, "bic\t%0-2r, %3-5r"},
|
| 434 |
{0x43C0, 0xFFC0, "mvn\t%0-2r, %3-5r"},
|
| 435 |
/* format 13 */
|
| 436 |
{0xB000, 0xFF80, "add\tsp, #%0-6W"},
|
| 437 |
{0xB080, 0xFF80, "sub\tsp, #%0-6W"},
|
| 438 |
/* format 5 */
|
| 439 |
{0x4700, 0xFF80, "bx\t%S"},
|
| 440 |
{0x4400, 0xFF00, "add\t%D, %S"},
|
| 441 |
{0x4500, 0xFF00, "cmp\t%D, %S"},
|
| 442 |
{0x4600, 0xFF00, "mov\t%D, %S"},
|
| 443 |
/* format 14 */
|
| 444 |
{0xB400, 0xFE00, "push\t%N"},
|
| 445 |
{0xBC00, 0xFE00, "pop\t%O"},
|
| 446 |
/* format 2 */
|
| 447 |
{0x1800, 0xFE00, "add\t%0-2r, %3-5r, %6-8r"},
|
| 448 |
{0x1A00, 0xFE00, "sub\t%0-2r, %3-5r, %6-8r"},
|
| 449 |
{0x1C00, 0xFE00, "add\t%0-2r, %3-5r, #%6-8d"},
|
| 450 |
{0x1E00, 0xFE00, "sub\t%0-2r, %3-5r, #%6-8d"},
|
| 451 |
/* format 8 */
|
| 452 |
{0x5200, 0xFE00, "strh\t%0-2r, [%3-5r, %6-8r]"},
|
| 453 |
{0x5A00, 0xFE00, "ldrh\t%0-2r, [%3-5r, %6-8r]"},
|
| 454 |
{0x5600, 0xF600, "ldrs%11?hb\t%0-2r, [%3-5r, %6-8r]"},
|
| 455 |
/* format 7 */
|
| 456 |
{0x5000, 0xFA00, "str%10'b\t%0-2r, [%3-5r, %6-8r]"},
|
| 457 |
{0x5800, 0xFA00, "ldr%10'b\t%0-2r, [%3-5r, %6-8r]"},
|
| 458 |
/* format 1 */
|
| 459 |
{0x0000, 0xF800, "lsl\t%0-2r, %3-5r, #%6-10d"},
|
| 460 |
{0x0800, 0xF800, "lsr\t%0-2r, %3-5r, #%6-10d"},
|
| 461 |
{0x1000, 0xF800, "asr\t%0-2r, %3-5r, #%6-10d"},
|
| 462 |
/* format 3 */
|
| 463 |
{0x2000, 0xF800, "mov\t%8-10r, #%0-7d"},
|
| 464 |
{0x2800, 0xF800, "cmp\t%8-10r, #%0-7d"},
|
| 465 |
{0x3000, 0xF800, "add\t%8-10r, #%0-7d"},
|
| 466 |
{0x3800, 0xF800, "sub\t%8-10r, #%0-7d"},
|
| 467 |
/* format 6 */
|
| 468 |
{0x4800, 0xF800, "ldr\t%8-10r, [pc, #%0-7W]\t(%0-7a)"}, /* TODO: Disassemble PC relative "LDR rD,=<symbolic>" */
|
| 469 |
/* format 9 */
|
| 470 |
{0x6000, 0xF800, "str\t%0-2r, [%3-5r, #%6-10W]"},
|
| 471 |
{0x6800, 0xF800, "ldr\t%0-2r, [%3-5r, #%6-10W]"},
|
| 472 |
{0x7000, 0xF800, "strb\t%0-2r, [%3-5r, #%6-10d]"},
|
| 473 |
{0x7800, 0xF800, "ldrb\t%0-2r, [%3-5r, #%6-10d]"},
|
| 474 |
/* format 10 */
|
| 475 |
{0x8000, 0xF800, "strh\t%0-2r, [%3-5r, #%6-10H]"},
|
| 476 |
{0x8800, 0xF800, "ldrh\t%0-2r, [%3-5r, #%6-10H]"},
|
| 477 |
/* format 11 */
|
| 478 |
{0x9000, 0xF800, "str\t%8-10r, [sp, #%0-7W]"},
|
| 479 |
{0x9800, 0xF800, "ldr\t%8-10r, [sp, #%0-7W]"},
|
| 480 |
/* format 12 */
|
| 481 |
{0xA000, 0xF800, "add\t%8-10r, pc, #%0-7W\t(adr %8-10r,%0-7a)"},
|
| 482 |
{0xA800, 0xF800, "add\t%8-10r, sp, #%0-7W"},
|
| 483 |
/* format 15 */
|
| 484 |
{0xC000, 0xF800, "stmia\t%8-10r!,%M"},
|
| 485 |
{0xC800, 0xF800, "ldmia\t%8-10r!,%M"},
|
| 486 |
/* format 18 */
|
| 487 |
{0xE000, 0xF800, "b\t%0-10B"},
|
| 488 |
{0xE800, 0xF800, "undefined"},
|
| 489 |
/* format 19 */
|
| 490 |
{0xF000, 0xF800, ""}, /* special processing required in disassembler */
|
| 491 |
{0xF800, 0xF800, "second half of BL instruction %0-15x"},
|
| 492 |
/* format 16 */
|
| 493 |
{0xD000, 0xFF00, "beq\t%0-7B"},
|
| 494 |
{0xD100, 0xFF00, "bne\t%0-7B"},
|
| 495 |
{0xD200, 0xFF00, "bcs\t%0-7B"},
|
| 496 |
{0xD300, 0xFF00, "bcc\t%0-7B"},
|
| 497 |
{0xD400, 0xFF00, "bmi\t%0-7B"},
|
| 498 |
{0xD500, 0xFF00, "bpl\t%0-7B"},
|
| 499 |
{0xD600, 0xFF00, "bvs\t%0-7B"},
|
| 500 |
{0xD700, 0xFF00, "bvc\t%0-7B"},
|
| 501 |
{0xD800, 0xFF00, "bhi\t%0-7B"},
|
| 502 |
{0xD900, 0xFF00, "bls\t%0-7B"},
|
| 503 |
{0xDA00, 0xFF00, "bge\t%0-7B"},
|
| 504 |
{0xDB00, 0xFF00, "blt\t%0-7B"},
|
| 505 |
{0xDC00, 0xFF00, "bgt\t%0-7B"},
|
| 506 |
{0xDD00, 0xFF00, "ble\t%0-7B"},
|
| 507 |
/* format 17 */
|
| 508 |
{0xDE00, 0xFF00, "bal\t%0-7B"},
|
| 509 |
{0xDF00, 0xFF00, "swi\t%0-7d"},
|
| 510 |
/* format 9 */
|
| 511 |
{0x6000, 0xF800, "str\t%0-2r, [%3-5r, #%6-10W]"},
|
| 512 |
{0x6800, 0xF800, "ldr\t%0-2r, [%3-5r, #%6-10W]"},
|
| 513 |
{0x7000, 0xF800, "strb\t%0-2r, [%3-5r, #%6-10d]"},
|
| 514 |
{0x7800, 0xF800, "ldrb\t%0-2r, [%3-5r, #%6-10d]"},
|
| 515 |
/* the rest */
|
| 516 |
{0x0000, 0x0000, "undefined instruction %0-15x"},
|
| 517 |
{0x0000, 0x0000, 0}
|
| 518 |
}; |
| 519 |
|
| 520 |
#define BDISP23(x) ((((((x) & 0x07ff) << 11) | (((x) & 0x07ff0000) >> 16)) \ |
| 521 |
^ 0x200000) - 0x200000) /* 23bit */ |
| 522 |
|
| 523 |
#ifndef streq
|
| 524 |
#define streq(a,b) (strcmp ((a), (b)) == 0) |
| 525 |
#endif
|
| 526 |
|
| 527 |
#ifndef strneq
|
| 528 |
#define strneq(a,b,n) (strncmp ((a), (b), (n)) == 0) |
| 529 |
#endif
|
| 530 |
|
| 531 |
#ifndef NUM_ELEM
|
| 532 |
#define NUM_ELEM(a) (sizeof (a) / sizeof (a)[0]) |
| 533 |
#endif
|
| 534 |
|
| 535 |
static char * arm_conditional[] = |
| 536 |
{"eq", "ne", "cs", "cc", "mi", "pl", "vs", "vc",
|
| 537 |
"hi", "ls", "ge", "lt", "gt", "le", "", "nv"}; |
| 538 |
|
| 539 |
typedef struct |
| 540 |
{
|
| 541 |
const char * name; |
| 542 |
const char * description; |
| 543 |
const char * reg_names[16]; |
| 544 |
} |
| 545 |
arm_regname; |
| 546 |
|
| 547 |
static arm_regname regnames[] =
|
| 548 |
{
|
| 549 |
{ "raw" , "Select raw register names",
|
| 550 |
{ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"}},
|
| 551 |
{ "gcc", "Select register names used by GCC",
|
| 552 |
{ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "sl", "fp", "ip", "sp", "lr", "pc" }},
|
| 553 |
{ "std", "Select register names used in ARM's ISA documentation",
|
| 554 |
{ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "sp", "lr", "pc" }},
|
| 555 |
{ "apcs", "Select register names used in the APCS",
|
| 556 |
{ "a1", "a2", "a3", "a4", "v1", "v2", "v3", "v4", "v5", "v6", "sl", "fp", "ip", "sp", "lr", "pc" }},
|
| 557 |
{ "atpcs", "Select register names used in the ATPCS",
|
| 558 |
{ "a1", "a2", "a3", "a4", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v8", "IP", "SP", "LR", "PC" }},
|
| 559 |
{ "special-atpcs", "Select special register names used in the ATPCS",
|
| 560 |
{ "a1", "a2", "a3", "a4", "v1", "v2", "v3", "WR", "v5", "SB", "SL", "FP", "IP", "SP", "LR", "PC" }}
|
| 561 |
}; |
| 562 |
|
| 563 |
/* Default to STD register name set. */
|
| 564 |
static unsigned int regname_selected = 2; |
| 565 |
|
| 566 |
#define NUM_ARM_REGNAMES NUM_ELEM (regnames)
|
| 567 |
#define arm_regnames regnames[regname_selected].reg_names
|
| 568 |
|
| 569 |
static boolean force_thumb = false; |
| 570 |
|
| 571 |
static char * arm_fp_const[] = |
| 572 |
{"0.0", "1.0", "2.0", "3.0", "4.0", "5.0", "0.5", "10.0"};
|
| 573 |
|
| 574 |
static char * arm_shift[] = |
| 575 |
{"lsl", "lsr", "asr", "ror"};
|
| 576 |
|
| 577 |
/* Forward declarations. */
|
| 578 |
static void arm_decode_shift PARAMS ((long, fprintf_ftype, void *)); |
| 579 |
static int print_insn_arm1 PARAMS ((bfd_vma, struct disassemble_info *, long)); |
| 580 |
static int print_insn_thumb PARAMS ((bfd_vma, struct disassemble_info *, long)); |
| 581 |
static void parse_disassembler_options PARAMS ((char *)); |
| 582 |
int get_arm_regname_num_options (void); |
| 583 |
int set_arm_regname_option (int option); |
| 584 |
int get_arm_regnames (int option, const char **setname, |
| 585 |
const char **setdescription, |
| 586 |
const char ***register_names); |
| 587 |
|
| 588 |
/* Functions. */
|
| 589 |
int
|
| 590 |
get_arm_regname_num_options () |
| 591 |
{
|
| 592 |
return NUM_ARM_REGNAMES;
|
| 593 |
} |
| 594 |
|
| 595 |
int
|
| 596 |
set_arm_regname_option (option) |
| 597 |
int option;
|
| 598 |
{
|
| 599 |
int old = regname_selected;
|
| 600 |
regname_selected = option; |
| 601 |
return old;
|
| 602 |
} |
| 603 |
|
| 604 |
int
|
| 605 |
get_arm_regnames (option, setname, setdescription, register_names) |
| 606 |
int option;
|
| 607 |
const char **setname; |
| 608 |
const char **setdescription; |
| 609 |
const char ***register_names; |
| 610 |
{
|
| 611 |
*setname = regnames[option].name; |
| 612 |
*setdescription = regnames[option].description; |
| 613 |
*register_names = regnames[option].reg_names; |
| 614 |
return 16; |
| 615 |
} |
| 616 |
|
| 617 |
static void |
| 618 |
arm_decode_shift (given, func, stream) |
| 619 |
long given;
|
| 620 |
fprintf_ftype func; |
| 621 |
void * stream;
|
| 622 |
{
|
| 623 |
func (stream, "%s", arm_regnames[given & 0xf]); |
| 624 |
|
| 625 |
if ((given & 0xff0) != 0) |
| 626 |
{
|
| 627 |
if ((given & 0x10) == 0) |
| 628 |
{
|
| 629 |
int amount = (given & 0xf80) >> 7; |
| 630 |
int shift = (given & 0x60) >> 5; |
| 631 |
|
| 632 |
if (amount == 0) |
| 633 |
{
|
| 634 |
if (shift == 3) |
| 635 |
{
|
| 636 |
func (stream, ", rrx");
|
| 637 |
return;
|
| 638 |
} |
| 639 |
|
| 640 |
amount = 32;
|
| 641 |
} |
| 642 |
|
| 643 |
func (stream, ", %s #%d", arm_shift[shift], amount);
|
| 644 |
} |
| 645 |
else
|
| 646 |
func (stream, ", %s %s", arm_shift[(given & 0x60) >> 5], |
| 647 |
arm_regnames[(given & 0xf00) >> 8]); |
| 648 |
} |
| 649 |
} |
| 650 |
|
| 651 |
/* Print one instruction from PC on INFO->STREAM.
|
| 652 |
Return the size of the instruction (always 4 on ARM). */
|
| 653 |
|
| 654 |
static int |
| 655 |
print_insn_arm1 (pc, info, given) |
| 656 |
bfd_vma pc; |
| 657 |
struct disassemble_info * info;
|
| 658 |
long given;
|
| 659 |
{
|
| 660 |
struct arm_opcode * insn;
|
| 661 |
void * stream = info->stream;
|
| 662 |
fprintf_ftype func = info->fprintf_func; |
| 663 |
|
| 664 |
for (insn = arm_opcodes; insn->assembler; insn++)
|
| 665 |
{
|
| 666 |
if ((given & insn->mask) == insn->value)
|
| 667 |
{
|
| 668 |
char * c;
|
| 669 |
|
| 670 |
for (c = insn->assembler; *c; c++)
|
| 671 |
{
|
| 672 |
if (*c == '%') |
| 673 |
{
|
| 674 |
switch (*++c)
|
| 675 |
{
|
| 676 |
case '%': |
| 677 |
func (stream, "%%");
|
| 678 |
break;
|
| 679 |
|
| 680 |
case 'a': |
| 681 |
if (((given & 0x000f0000) == 0x000f0000) |
| 682 |
&& ((given & 0x02000000) == 0)) |
| 683 |
{
|
| 684 |
int offset = given & 0xfff; |
| 685 |
|
| 686 |
func (stream, "[pc");
|
| 687 |
|
| 688 |
if (given & 0x01000000) |
| 689 |
{
|
| 690 |
if ((given & 0x00800000) == 0) |
| 691 |
offset = - offset; |
| 692 |
|
| 693 |
/* Pre-indexed. */
|
| 694 |
func (stream, ", #%d]", offset);
|
| 695 |
|
| 696 |
offset += pc + 8;
|
| 697 |
|
| 698 |
/* Cope with the possibility of write-back
|
| 699 |
being used. Probably a very dangerous thing
|
| 700 |
for the programmer to do, but who are we to
|
| 701 |
argue ? */
|
| 702 |
if (given & 0x00200000) |
| 703 |
func (stream, "!");
|
| 704 |
} |
| 705 |
else
|
| 706 |
{
|
| 707 |
/* Post indexed. */
|
| 708 |
func (stream, "], #%d", offset);
|
| 709 |
|
| 710 |
/* ie ignore the offset. */
|
| 711 |
offset = pc + 8;
|
| 712 |
} |
| 713 |
|
| 714 |
func (stream, "\t; ");
|
| 715 |
info->print_address_func (offset, info); |
| 716 |
} |
| 717 |
else
|
| 718 |
{
|
| 719 |
func (stream, "[%s",
|
| 720 |
arm_regnames[(given >> 16) & 0xf]); |
| 721 |
if ((given & 0x01000000) != 0) |
| 722 |
{
|
| 723 |
if ((given & 0x02000000) == 0) |
| 724 |
{
|
| 725 |
int offset = given & 0xfff; |
| 726 |
if (offset)
|
| 727 |
func (stream, ", %s#%d",
|
| 728 |
(((given & 0x00800000) == 0) |
| 729 |
? "-" : ""), offset); |
| 730 |
} |
| 731 |
else
|
| 732 |
{
|
| 733 |
func (stream, ", %s",
|
| 734 |
(((given & 0x00800000) == 0) |
| 735 |
? "-" : "")); |
| 736 |
arm_decode_shift (given, func, stream); |
| 737 |
} |
| 738 |
|
| 739 |
func (stream, "]%s",
|
| 740 |
((given & 0x00200000) != 0) ? "!" : ""); |
| 741 |
} |
| 742 |
else
|
| 743 |
{
|
| 744 |
if ((given & 0x02000000) == 0) |
| 745 |
{
|
| 746 |
int offset = given & 0xfff; |
| 747 |
if (offset)
|
| 748 |
func (stream, "], %s#%d",
|
| 749 |
(((given & 0x00800000) == 0) |
| 750 |
? "-" : ""), offset); |
| 751 |
else
|
| 752 |
func (stream, "]");
|
| 753 |
} |
| 754 |
else
|
| 755 |
{
|
| 756 |
func (stream, "], %s",
|
| 757 |
(((given & 0x00800000) == 0) |
| 758 |
? "-" : "")); |
| 759 |
arm_decode_shift (given, func, stream); |
| 760 |
} |
| 761 |
} |
| 762 |
} |
| 763 |
break;
|
| 764 |
|
| 765 |
case 's': |
| 766 |
if ((given & 0x004f0000) == 0x004f0000) |
| 767 |
{
|
| 768 |
/* PC relative with immediate offset. */
|
| 769 |
int offset = ((given & 0xf00) >> 4) | (given & 0xf); |
| 770 |
|
| 771 |
if ((given & 0x00800000) == 0) |
| 772 |
offset = -offset; |
| 773 |
|
| 774 |
func (stream, "[pc, #%d]\t; ", offset);
|
| 775 |
|
| 776 |
(*info->print_address_func) |
| 777 |
(offset + pc + 8, info);
|
| 778 |
} |
| 779 |
else
|
| 780 |
{
|
| 781 |
func (stream, "[%s",
|
| 782 |
arm_regnames[(given >> 16) & 0xf]); |
| 783 |
if ((given & 0x01000000) != 0) |
| 784 |
{
|
| 785 |
/* Pre-indexed. */
|
| 786 |
if ((given & 0x00400000) == 0x00400000) |
| 787 |
{
|
| 788 |
/* Immediate. */
|
| 789 |
int offset = ((given & 0xf00) >> 4) | (given & 0xf); |
| 790 |
if (offset)
|
| 791 |
func (stream, ", %s#%d",
|
| 792 |
(((given & 0x00800000) == 0) |
| 793 |
? "-" : ""), offset); |
| 794 |
} |
| 795 |
else
|
| 796 |
{
|
| 797 |
/* Register. */
|
| 798 |
func (stream, ", %s%s",
|
| 799 |
(((given & 0x00800000) == 0) |
| 800 |
? "-" : ""), |
| 801 |
arm_regnames[given & 0xf]);
|
| 802 |
} |
| 803 |
|
| 804 |
func (stream, "]%s",
|
| 805 |
((given & 0x00200000) != 0) ? "!" : ""); |
| 806 |
} |
| 807 |
else
|
| 808 |
{
|
| 809 |
/* Post-indexed. */
|
| 810 |
if ((given & 0x00400000) == 0x00400000) |
| 811 |
{
|
| 812 |
/* Immediate. */
|
| 813 |
int offset = ((given & 0xf00) >> 4) | (given & 0xf); |
| 814 |
if (offset)
|
| 815 |
func (stream, "], %s#%d",
|
| 816 |
(((given & 0x00800000) == 0) |
| 817 |
? "-" : ""), offset); |
| 818 |
else
|
| 819 |
func (stream, "]");
|
| 820 |
} |
| 821 |
else
|
| 822 |
{
|
| 823 |
/* Register. */
|
| 824 |
func (stream, "], %s%s",
|
| 825 |
(((given & 0x00800000) == 0) |
| 826 |
? "-" : ""), |
| 827 |
arm_regnames[given & 0xf]);
|
| 828 |
} |
| 829 |
} |
| 830 |
} |
| 831 |
break;
|
| 832 |
|
| 833 |
case 'b': |
| 834 |
(*info->print_address_func) |
| 835 |
(BDISP (given) * 4 + pc + 8, info); |
| 836 |
break;
|
| 837 |
|
| 838 |
case 'c': |
| 839 |
func (stream, "%s",
|
| 840 |
arm_conditional [(given >> 28) & 0xf]); |
| 841 |
break;
|
| 842 |
|
| 843 |
case 'm': |
| 844 |
{
|
| 845 |
int started = 0; |
| 846 |
int reg;
|
| 847 |
|
| 848 |
func (stream, "{");
|
| 849 |
for (reg = 0; reg < 16; reg++) |
| 850 |
if ((given & (1 << reg)) != 0) |
| 851 |
{
|
| 852 |
if (started)
|
| 853 |
func (stream, ", ");
|
| 854 |
started = 1;
|
| 855 |
func (stream, "%s", arm_regnames[reg]);
|
| 856 |
} |
| 857 |
func (stream, "}");
|
| 858 |
} |
| 859 |
break;
|
| 860 |
|
| 861 |
case 'o': |
| 862 |
if ((given & 0x02000000) != 0) |
| 863 |
{
|
| 864 |
int rotate = (given & 0xf00) >> 7; |
| 865 |
int immed = (given & 0xff); |
| 866 |
immed = (((immed << (32 - rotate))
|
| 867 |
| (immed >> rotate)) & 0xffffffff);
|
| 868 |
func (stream, "#%d\t; 0x%x", immed, immed);
|
| 869 |
} |
| 870 |
else
|
| 871 |
arm_decode_shift (given, func, stream); |
| 872 |
break;
|
| 873 |
|
| 874 |
case 'p': |
| 875 |
if ((given & 0x0000f000) == 0x0000f000) |
| 876 |
func (stream, "p");
|
| 877 |
break;
|
| 878 |
|
| 879 |
case 't': |
| 880 |
if ((given & 0x01200000) == 0x00200000) |
| 881 |
func (stream, "t");
|
| 882 |
break;
|
| 883 |
|
| 884 |
case 'A': |
| 885 |
func (stream, "[%s", arm_regnames [(given >> 16) & 0xf]); |
| 886 |
if ((given & 0x01000000) != 0) |
| 887 |
{
|
| 888 |
int offset = given & 0xff; |
| 889 |
if (offset)
|
| 890 |
func (stream, ", %s#%d]%s",
|
| 891 |
((given & 0x00800000) == 0 ? "-" : ""), |
| 892 |
offset * 4,
|
| 893 |
((given & 0x00200000) != 0 ? "!" : "")); |
| 894 |
else
|
| 895 |
func (stream, "]");
|
| 896 |
} |
| 897 |
else
|
| 898 |
{
|
| 899 |
int offset = given & 0xff; |
| 900 |
if (offset)
|
| 901 |
func (stream, "], %s#%d",
|
| 902 |
((given & 0x00800000) == 0 ? "-" : ""), |
| 903 |
offset * 4);
|
| 904 |
else
|
| 905 |
func (stream, "]");
|
| 906 |
} |
| 907 |
break;
|
| 908 |
|
| 909 |
case 'B': |
| 910 |
/* Print ARM V5 BLX(1) address: pc+25 bits. */
|
| 911 |
{
|
| 912 |
bfd_vma address; |
| 913 |
bfd_vma offset = 0;
|
| 914 |
|
| 915 |
if (given & 0x00800000) |
| 916 |
/* Is signed, hi bits should be ones. */
|
| 917 |
offset = (-1) ^ 0x00ffffff; |
| 918 |
|
| 919 |
/* Offset is (SignExtend(offset field)<<2). */
|
| 920 |
offset += given & 0x00ffffff;
|
| 921 |
offset <<= 2;
|
| 922 |
address = offset + pc + 8;
|
| 923 |
|
| 924 |
if (given & 0x01000000) |
| 925 |
/* H bit allows addressing to 2-byte boundaries. */
|
| 926 |
address += 2;
|
| 927 |
|
| 928 |
info->print_address_func (address, info); |
| 929 |
} |
| 930 |
break;
|
| 931 |
|
| 932 |
case 'I': |
| 933 |
/* Print a Cirrus/DSP shift immediate. */
|
| 934 |
/* Immediates are 7bit signed ints with bits 0..3 in
|
| 935 |
bits 0..3 of opcode and bits 4..6 in bits 5..7
|
| 936 |
of opcode. */
|
| 937 |
{
|
| 938 |
int imm;
|
| 939 |
|
| 940 |
imm = (given & 0xf) | ((given & 0xe0) >> 1); |
| 941 |
|
| 942 |
/* Is ``imm'' a negative number? */
|
| 943 |
if (imm & 0x40) |
| 944 |
imm |= (-1 << 7); |
| 945 |
|
| 946 |
func (stream, "%d", imm);
|
| 947 |
} |
| 948 |
|
| 949 |
break;
|
| 950 |
|
| 951 |
case 'C': |
| 952 |
func (stream, "_");
|
| 953 |
if (given & 0x80000) |
| 954 |
func (stream, "f");
|
| 955 |
if (given & 0x40000) |
| 956 |
func (stream, "s");
|
| 957 |
if (given & 0x20000) |
| 958 |
func (stream, "x");
|
| 959 |
if (given & 0x10000) |
| 960 |
func (stream, "c");
|
| 961 |
break;
|
| 962 |
|
| 963 |
case 'F': |
| 964 |
switch (given & 0x00408000) |
| 965 |
{
|
| 966 |
case 0: |
| 967 |
func (stream, "4");
|
| 968 |
break;
|
| 969 |
case 0x8000: |
| 970 |
func (stream, "1");
|
| 971 |
break;
|
| 972 |
case 0x00400000: |
| 973 |
func (stream, "2");
|
| 974 |
break;
|
| 975 |
default:
|
| 976 |
func (stream, "3");
|
| 977 |
} |
| 978 |
break;
|
| 979 |
|
| 980 |
case 'P': |
| 981 |
switch (given & 0x00080080) |
| 982 |
{
|
| 983 |
case 0: |
| 984 |
func (stream, "s");
|
| 985 |
break;
|
| 986 |
case 0x80: |
| 987 |
func (stream, "d");
|
| 988 |
break;
|
| 989 |
case 0x00080000: |
| 990 |
func (stream, "e");
|
| 991 |
break;
|
| 992 |
default:
|
| 993 |
func (stream, _("<illegal precision>"));
|
| 994 |
break;
|
| 995 |
} |
| 996 |
break;
|
| 997 |
case 'Q': |
| 998 |
switch (given & 0x00408000) |
| 999 |
{
|
| 1000 |
case 0: |
| 1001 |
func (stream, "s");
|
| 1002 |
break;
|
| 1003 |
case 0x8000: |
| 1004 |
func (stream, "d");
|
| 1005 |
break;
|
| 1006 |
case 0x00400000: |
| 1007 |
func (stream, "e");
|
| 1008 |
break;
|
| 1009 |
default:
|
| 1010 |
func (stream, "p");
|
| 1011 |
break;
|
| 1012 |
} |
| 1013 |
break;
|
| 1014 |
case 'R': |
| 1015 |
switch (given & 0x60) |
| 1016 |
{
|
| 1017 |
case 0: |
| 1018 |
break;
|
| 1019 |
case 0x20: |
| 1020 |
func (stream, "p");
|
| 1021 |
break;
|
| 1022 |
case 0x40: |
| 1023 |
func (stream, "m");
|
| 1024 |
break;
|
| 1025 |
default:
|
| 1026 |
func (stream, "z");
|
| 1027 |
break;
|
| 1028 |
} |
| 1029 |
break;
|
| 1030 |
|
| 1031 |
case '0': case '1': case '2': case '3': case '4': |
| 1032 |
case '5': case '6': case '7': case '8': case '9': |
| 1033 |
{
|
| 1034 |
int bitstart = *c++ - '0'; |
| 1035 |
int bitend = 0; |
| 1036 |
while (*c >= '0' && *c <= '9') |
| 1037 |
bitstart = (bitstart * 10) + *c++ - '0'; |
| 1038 |
|
| 1039 |
switch (*c)
|
| 1040 |
{
|
| 1041 |
case '-': |
| 1042 |
c++; |
| 1043 |
|
| 1044 |
while (*c >= '0' && *c <= '9') |
| 1045 |
bitend = (bitend * 10) + *c++ - '0'; |
| 1046 |
|
| 1047 |
if (!bitend)
|
| 1048 |
abort (); |
| 1049 |
|
| 1050 |
switch (*c)
|
| 1051 |
{
|
| 1052 |
case 'r': |
| 1053 |
{
|
| 1054 |
long reg;
|
| 1055 |
|
| 1056 |
reg = given >> bitstart; |
| 1057 |
reg &= (2 << (bitend - bitstart)) - 1; |
| 1058 |
|
| 1059 |
func (stream, "%s", arm_regnames[reg]);
|
| 1060 |
} |
| 1061 |
break;
|
| 1062 |
case 'd': |
| 1063 |
{
|
| 1064 |
long reg;
|
| 1065 |
|
| 1066 |
reg = given >> bitstart; |
| 1067 |
reg &= (2 << (bitend - bitstart)) - 1; |
| 1068 |
|
| 1069 |
func (stream, "%d", reg);
|
| 1070 |
} |
| 1071 |
break;
|
| 1072 |
case 'x': |
| 1073 |
{
|
| 1074 |
long reg;
|
| 1075 |
|
| 1076 |
reg = given >> bitstart; |
| 1077 |
reg &= (2 << (bitend - bitstart)) - 1; |
| 1078 |
|
| 1079 |
func (stream, "0x%08x", reg);
|
| 1080 |
|
| 1081 |
/* Some SWI instructions have special
|
| 1082 |
meanings. */
|
| 1083 |
if ((given & 0x0fffffff) == 0x0FF00000) |
| 1084 |
func (stream, "\t; IMB");
|
| 1085 |
else if ((given & 0x0fffffff) == 0x0FF00001) |
| 1086 |
func (stream, "\t; IMBRange");
|
| 1087 |
} |
| 1088 |
break;
|
| 1089 |
case 'X': |
| 1090 |
{
|
| 1091 |
long reg;
|
| 1092 |
|
| 1093 |
reg = given >> bitstart; |
| 1094 |
reg &= (2 << (bitend - bitstart)) - 1; |
| 1095 |
|
| 1096 |
func (stream, "%01x", reg & 0xf); |
| 1097 |
} |
| 1098 |
break;
|
| 1099 |
case 'f': |
| 1100 |
{
|
| 1101 |
long reg;
|
| 1102 |
|
| 1103 |
reg = given >> bitstart; |
| 1104 |
reg &= (2 << (bitend - bitstart)) - 1; |
| 1105 |
|
| 1106 |
if (reg > 7) |
| 1107 |
func (stream, "#%s",
|
| 1108 |
arm_fp_const[reg & 7]);
|
| 1109 |
else
|
| 1110 |
func (stream, "f%d", reg);
|
| 1111 |
} |
| 1112 |
break;
|
| 1113 |
default:
|
| 1114 |
abort (); |
| 1115 |
} |
| 1116 |
break;
|
| 1117 |
|
| 1118 |
case 'y': |
| 1119 |
case 'z': |
| 1120 |
{
|
| 1121 |
int single = *c == 'y'; |
| 1122 |
int regno;
|
| 1123 |
|
| 1124 |
switch (bitstart)
|
| 1125 |
{
|
| 1126 |
case 4: /* Sm pair */ |
| 1127 |
func (stream, "{");
|
| 1128 |
/* Fall through. */
|
| 1129 |
case 0: /* Sm, Dm */ |
| 1130 |
regno = given & 0x0000000f;
|
| 1131 |
if (single)
|
| 1132 |
{
|
| 1133 |
regno <<= 1;
|
| 1134 |
regno += (given >> 5) & 1; |
| 1135 |
} |
| 1136 |
break;
|
| 1137 |
|
| 1138 |
case 1: /* Sd, Dd */ |
| 1139 |
regno = (given >> 12) & 0x0000000f; |
| 1140 |
if (single)
|
| 1141 |
{
|
| 1142 |
regno <<= 1;
|
| 1143 |
regno += (given >> 22) & 1; |
| 1144 |
} |
| 1145 |
break;
|
| 1146 |
|
| 1147 |
case 2: /* Sn, Dn */ |
| 1148 |
regno = (given >> 16) & 0x0000000f; |
| 1149 |
if (single)
|
| 1150 |
{
|
| 1151 |
regno <<= 1;
|
| 1152 |
regno += (given >> 7) & 1; |
| 1153 |
} |
| 1154 |
break;
|
| 1155 |
|
| 1156 |
case 3: /* List */ |
| 1157 |
func (stream, "{");
|
| 1158 |
regno = (given >> 12) & 0x0000000f; |
| 1159 |
if (single)
|
| 1160 |
{
|
| 1161 |
regno <<= 1;
|
| 1162 |
regno += (given >> 22) & 1; |
| 1163 |
} |
| 1164 |
break;
|
| 1165 |
|
| 1166 |
|
| 1167 |
default:
|
| 1168 |
abort (); |
| 1169 |
} |
| 1170 |
|
| 1171 |
func (stream, "%c%d", single ? 's' : 'd', regno); |
| 1172 |
|
| 1173 |
if (bitstart == 3) |
| 1174 |
{
|
| 1175 |
int count = given & 0xff; |
| 1176 |
|
| 1177 |
if (single == 0) |
| 1178 |
count >>= 1;
|
| 1179 |
|
| 1180 |
if (--count)
|
| 1181 |
{
|
| 1182 |
func (stream, "-%c%d",
|
| 1183 |
single ? 's' : 'd', |
| 1184 |
regno + count); |
| 1185 |
} |
| 1186 |
|
| 1187 |
func (stream, "}");
|
| 1188 |
} |
| 1189 |
else if (bitstart == 4) |
| 1190 |
func (stream, ", %c%d}", single ? 's' : 'd', |
| 1191 |
regno + 1);
|
| 1192 |
|
| 1193 |
break;
|
| 1194 |
} |
| 1195 |
|
| 1196 |
case '`': |
| 1197 |
c++; |
| 1198 |
if ((given & (1 << bitstart)) == 0) |
| 1199 |
func (stream, "%c", *c);
|
| 1200 |
break;
|
| 1201 |
case '\'': |
| 1202 |
c++; |
| 1203 |
if ((given & (1 << bitstart)) != 0) |
| 1204 |
func (stream, "%c", *c);
|
| 1205 |
break;
|
| 1206 |
case '?': |
| 1207 |
++c; |
| 1208 |
if ((given & (1 << bitstart)) != 0) |
| 1209 |
func (stream, "%c", *c++);
|
| 1210 |
else
|
| 1211 |
func (stream, "%c", *++c);
|
| 1212 |
break;
|
| 1213 |
default:
|
| 1214 |
abort (); |
| 1215 |
} |
| 1216 |
break;
|
| 1217 |
|
| 1218 |
default:
|
| 1219 |
abort (); |
| 1220 |
} |
| 1221 |
} |
| 1222 |
} |
| 1223 |
else
|
| 1224 |
func (stream, "%c", *c);
|
| 1225 |
} |
| 1226 |
return 4; |
| 1227 |
} |
| 1228 |
} |
| 1229 |
abort (); |
| 1230 |
} |
| 1231 |
|
| 1232 |
/* Print one instruction from PC on INFO->STREAM.
|
| 1233 |
Return the size of the instruction. */
|
| 1234 |
|
| 1235 |
static int |
| 1236 |
print_insn_thumb (pc, info, given) |
| 1237 |
bfd_vma pc; |
| 1238 |
struct disassemble_info * info;
|
| 1239 |
long given;
|
| 1240 |
{
|
| 1241 |
struct thumb_opcode * insn;
|
| 1242 |
void * stream = info->stream;
|
| 1243 |
fprintf_ftype func = info->fprintf_func; |
| 1244 |
|
| 1245 |
for (insn = thumb_opcodes; insn->assembler; insn++)
|
| 1246 |
{
|
| 1247 |
if ((given & insn->mask) == insn->value)
|
| 1248 |
{
|
| 1249 |
char * c = insn->assembler;
|
| 1250 |
|
| 1251 |
/* Special processing for Thumb 2 instruction BL sequence: */
|
| 1252 |
if (!*c) /* Check for empty (not NULL) assembler string. */ |
| 1253 |
{
|
| 1254 |
long offset;
|
| 1255 |
|
| 1256 |
info->bytes_per_chunk = 4;
|
| 1257 |
info->bytes_per_line = 4;
|
| 1258 |
|
| 1259 |
offset = BDISP23 (given); |
| 1260 |
offset = offset * 2 + pc + 4; |
| 1261 |
|
| 1262 |
if ((given & 0x10000000) == 0) |
| 1263 |
{
|
| 1264 |
func (stream, "blx\t");
|
| 1265 |
offset &= 0xfffffffc;
|
| 1266 |
} |
| 1267 |
else
|
| 1268 |
func (stream, "bl\t");
|
| 1269 |
|
| 1270 |
info->print_address_func (offset, info); |
| 1271 |
return 4; |
| 1272 |
} |
| 1273 |
else
|
| 1274 |
{
|
| 1275 |
info->bytes_per_chunk = 2;
|
| 1276 |
info->bytes_per_line = 4;
|
| 1277 |
|
| 1278 |
given &= 0xffff;
|
| 1279 |
|
| 1280 |
for (; *c; c++)
|
| 1281 |
{
|
| 1282 |
if (*c == '%') |
| 1283 |
{
|
| 1284 |
int domaskpc = 0; |
| 1285 |
int domasklr = 0; |
| 1286 |
|
| 1287 |
switch (*++c)
|
| 1288 |
{
|
| 1289 |
case '%': |
| 1290 |
func (stream, "%%");
|
| 1291 |
break;
|
| 1292 |
|
| 1293 |
case 'S': |
| 1294 |
{
|
| 1295 |
long reg;
|
| 1296 |
|
| 1297 |
reg = (given >> 3) & 0x7; |
| 1298 |
if (given & (1 << 6)) |
| 1299 |
reg += 8;
|
| 1300 |
|
| 1301 |
func (stream, "%s", arm_regnames[reg]);
|
| 1302 |
} |
| 1303 |
break;
|
| 1304 |
|
| 1305 |
case 'D': |
| 1306 |
{
|
| 1307 |
long reg;
|
| 1308 |
|
| 1309 |
reg = given & 0x7;
|
| 1310 |
if (given & (1 << 7)) |
| 1311 |
reg += 8;
|
| 1312 |
|
| 1313 |
func (stream, "%s", arm_regnames[reg]);
|
| 1314 |
} |
| 1315 |
break;
|
| 1316 |
|
| 1317 |
case 'T': |
| 1318 |
func (stream, "%s",
|
| 1319 |
arm_conditional [(given >> 8) & 0xf]); |
| 1320 |
break;
|
| 1321 |
|
| 1322 |
case 'N': |
| 1323 |
if (given & (1 << 8)) |
| 1324 |
domasklr = 1;
|
| 1325 |
/* Fall through. */
|
| 1326 |
case 'O': |
| 1327 |
if (*c == 'O' && (given & (1 << 8))) |
| 1328 |
domaskpc = 1;
|
| 1329 |
/* Fall through. */
|
| 1330 |
case 'M': |
| 1331 |
{
|
| 1332 |
int started = 0; |
| 1333 |
int reg;
|
| 1334 |
|
| 1335 |
func (stream, "{");
|
| 1336 |
|
| 1337 |
/* It would be nice if we could spot
|
| 1338 |
ranges, and generate the rS-rE format: */
|
| 1339 |
for (reg = 0; (reg < 8); reg++) |
| 1340 |
if ((given & (1 << reg)) != 0) |
| 1341 |
{
|
| 1342 |
if (started)
|
| 1343 |
func (stream, ", ");
|
| 1344 |
started = 1;
|
| 1345 |
func (stream, "%s", arm_regnames[reg]);
|
| 1346 |
} |
| 1347 |
|
| 1348 |
if (domasklr)
|
| 1349 |
{
|
| 1350 |
if (started)
|
| 1351 |
func (stream, ", ");
|
| 1352 |
started = 1;
|
| 1353 |
func (stream, arm_regnames[14] /* "lr" */); |
| 1354 |
} |
| 1355 |
|
| 1356 |
if (domaskpc)
|
| 1357 |
{
|
| 1358 |
if (started)
|
| 1359 |
func (stream, ", ");
|
| 1360 |
func (stream, arm_regnames[15] /* "pc" */); |
| 1361 |
} |
| 1362 |
|
| 1363 |
func (stream, "}");
|
| 1364 |
} |
| 1365 |
break;
|
| 1366 |
|
| 1367 |
|
| 1368 |
case '0': case '1': case '2': case '3': case '4': |
| 1369 |
case '5': case '6': case '7': case '8': case '9': |
| 1370 |
{
|
| 1371 |
int bitstart = *c++ - '0'; |
| 1372 |
int bitend = 0; |
| 1373 |
|
| 1374 |
while (*c >= '0' && *c <= '9') |
| 1375 |
bitstart = (bitstart * 10) + *c++ - '0'; |
| 1376 |
|
| 1377 |
switch (*c)
|
| 1378 |
{
|
| 1379 |
case '-': |
| 1380 |
{
|
| 1381 |
long reg;
|
| 1382 |
|
| 1383 |
c++; |
| 1384 |
while (*c >= '0' && *c <= '9') |
| 1385 |
bitend = (bitend * 10) + *c++ - '0'; |
| 1386 |
if (!bitend)
|
| 1387 |
abort (); |
| 1388 |
reg = given >> bitstart; |
| 1389 |
reg &= (2 << (bitend - bitstart)) - 1; |
| 1390 |
switch (*c)
|
| 1391 |
{
|
| 1392 |
case 'r': |
| 1393 |
func (stream, "%s", arm_regnames[reg]);
|
| 1394 |
break;
|
| 1395 |
|
| 1396 |
case 'd': |
| 1397 |
func (stream, "%d", reg);
|
| 1398 |
break;
|
| 1399 |
|
| 1400 |
case 'H': |
| 1401 |
func (stream, "%d", reg << 1); |
| 1402 |
break;
|
| 1403 |
|
| 1404 |
case 'W': |
| 1405 |
func (stream, "%d", reg << 2); |
| 1406 |
break;
|
| 1407 |
|
| 1408 |
case 'a': |
| 1409 |
/* PC-relative address -- the bottom two
|
| 1410 |
bits of the address are dropped
|
| 1411 |
before the calculation. */
|
| 1412 |
info->print_address_func |
| 1413 |
(((pc + 4) & ~3) + (reg << 2), info); |
| 1414 |
break;
|
| 1415 |
|
| 1416 |
case 'x': |
| 1417 |
func (stream, "0x%04x", reg);
|
| 1418 |
break;
|
| 1419 |
|
| 1420 |
case 'I': |
| 1421 |
reg = ((reg ^ (1 << bitend)) - (1 << bitend)); |
| 1422 |
func (stream, "%d", reg);
|
| 1423 |
break;
|
| 1424 |
|
| 1425 |
case 'B': |
| 1426 |
reg = ((reg ^ (1 << bitend)) - (1 << bitend)); |
| 1427 |
(*info->print_address_func) |
| 1428 |
(reg * 2 + pc + 4, info); |
| 1429 |
break;
|
| 1430 |
|
| 1431 |
default:
|
| 1432 |
abort (); |
| 1433 |
} |
| 1434 |
} |
| 1435 |
break;
|
| 1436 |
|
| 1437 |
case '\'': |
| 1438 |
c++; |
| 1439 |
if ((given & (1 << bitstart)) != 0) |
| 1440 |
func (stream, "%c", *c);
|
| 1441 |
break;
|
| 1442 |
|
| 1443 |
case '?': |
| 1444 |
++c; |
| 1445 |
if ((given & (1 << bitstart)) != 0) |
| 1446 |
func (stream, "%c", *c++);
|
| 1447 |
else
|
| 1448 |
func (stream, "%c", *++c);
|
| 1449 |
break;
|
| 1450 |
|
| 1451 |
default:
|
| 1452 |
abort (); |
| 1453 |
} |
| 1454 |
} |
| 1455 |
break;
|
| 1456 |
|
| 1457 |
default:
|
| 1458 |
abort (); |
| 1459 |
} |
| 1460 |
} |
| 1461 |
else
|
| 1462 |
func (stream, "%c", *c);
|
| 1463 |
} |
| 1464 |
} |
| 1465 |
return 2; |
| 1466 |
} |
| 1467 |
} |
| 1468 |
|
| 1469 |
/* No match. */
|
| 1470 |
abort (); |
| 1471 |
} |
| 1472 |
|
| 1473 |
/* Parse an individual disassembler option. */
|
| 1474 |
|
| 1475 |
void
|
| 1476 |
parse_arm_disassembler_option (option) |
| 1477 |
char * option;
|
| 1478 |
{
|
| 1479 |
if (option == NULL) |
| 1480 |
return;
|
| 1481 |
|
| 1482 |
if (strneq (option, "reg-names-", 10)) |
| 1483 |
{
|
| 1484 |
int i;
|
| 1485 |
|
| 1486 |
option += 10;
|
| 1487 |
|
| 1488 |
for (i = NUM_ARM_REGNAMES; i--;)
|
| 1489 |
if (streq (option, regnames[i].name))
|
| 1490 |
{
|
| 1491 |
regname_selected = i; |
| 1492 |
break;
|
| 1493 |
} |
| 1494 |
|
| 1495 |
if (i < 0) |
| 1496 |
fprintf (stderr, _("Unrecognised register name set: %s\n"), option);
|
| 1497 |
} |
| 1498 |
else if (streq (option, "force-thumb")) |
| 1499 |
force_thumb = 1;
|
| 1500 |
else if (streq (option, "no-force-thumb")) |
| 1501 |
force_thumb = 0;
|
| 1502 |
else
|
| 1503 |
fprintf (stderr, _("Unrecognised disassembler option: %s\n"), option);
|
| 1504 |
|
| 1505 |
return;
|
| 1506 |
} |
| 1507 |
|
| 1508 |
/* Parse the string of disassembler options, spliting it at whitespaces. */
|
| 1509 |
|
| 1510 |
static void |
| 1511 |
parse_disassembler_options (options) |
| 1512 |
char * options;
|
| 1513 |
{
|
| 1514 |
char * space;
|
| 1515 |
|
| 1516 |
if (options == NULL) |
| 1517 |
return;
|
| 1518 |
|
| 1519 |
do
|
| 1520 |
{
|
| 1521 |
space = strchr (options, ' ');
|
| 1522 |
|
| 1523 |
if (space)
|
| 1524 |
{
|
| 1525 |
* space = '\0';
|
| 1526 |
parse_arm_disassembler_option (options); |
| 1527 |
* space = ' ';
|
| 1528 |
options = space + 1;
|
| 1529 |
} |
| 1530 |
else
|
| 1531 |
parse_arm_disassembler_option (options); |
| 1532 |
} |
| 1533 |
while (space);
|
| 1534 |
} |
| 1535 |
|
| 1536 |
/* NOTE: There are no checks in these routines that
|
| 1537 |
the relevant number of data bytes exist. */
|
| 1538 |
|
| 1539 |
int
|
| 1540 |
print_insn_arm (pc, info) |
| 1541 |
bfd_vma pc; |
| 1542 |
struct disassemble_info * info;
|
| 1543 |
{
|
| 1544 |
unsigned char b[4]; |
| 1545 |
long given;
|
| 1546 |
int status;
|
| 1547 |
int is_thumb;
|
| 1548 |
int little;
|
| 1549 |
|
| 1550 |
if (info->disassembler_options)
|
| 1551 |
{
|
| 1552 |
parse_disassembler_options (info->disassembler_options); |
| 1553 |
|
| 1554 |
/* To avoid repeated parsing of these options, we remove them here. */
|
| 1555 |
info->disassembler_options = NULL;
|
| 1556 |
} |
| 1557 |
|
| 1558 |
is_thumb = force_thumb; |
| 1559 |
|
| 1560 |
#if 0
|
| 1561 |
if (!is_thumb && info->symbols != NULL)
|
| 1562 |
{
|
| 1563 |
if (bfd_asymbol_flavour (*info->symbols) == bfd_target_coff_flavour)
|
| 1564 |
{
|
| 1565 |
coff_symbol_type * cs;
|
| 1566 |
|
| 1567 |
cs = coffsymbol (*info->symbols);
|
| 1568 |
is_thumb = ( cs->native->u.syment.n_sclass == C_THUMBEXT
|
| 1569 |
|| cs->native->u.syment.n_sclass == C_THUMBSTAT
|
| 1570 |
|| cs->native->u.syment.n_sclass == C_THUMBLABEL
|
| 1571 |
|| cs->native->u.syment.n_sclass == C_THUMBEXTFUNC
|
| 1572 |
|| cs->native->u.syment.n_sclass == C_THUMBSTATFUNC);
|
| 1573 |
}
|
| 1574 |
else if (bfd_asymbol_flavour (*info->symbols) == bfd_target_elf_flavour)
|
| 1575 |
{
|
| 1576 |
elf_symbol_type * es;
|
| 1577 |
unsigned int type;
|
| 1578 |
|
| 1579 |
es = *(elf_symbol_type **)(info->symbols);
|
| 1580 |
type = ELF_ST_TYPE (es->internal_elf_sym.st_info);
|
| 1581 |
|
| 1582 |
is_thumb = (type == STT_ARM_TFUNC) || (type == STT_ARM_16BIT);
|
| 1583 |
}
|
| 1584 |
}
|
| 1585 |
#endif
|
| 1586 |
|
| 1587 |
little = (info->endian == BFD_ENDIAN_LITTLE); |
| 1588 |
info->bytes_per_chunk = 4;
|
| 1589 |
info->display_endian = little ? BFD_ENDIAN_LITTLE : BFD_ENDIAN_BIG; |
| 1590 |
|
| 1591 |
if (little)
|
| 1592 |
{
|
| 1593 |
status = info->read_memory_func (pc, (bfd_byte *) &b[0], 4, info); |
| 1594 |
if (status != 0 && is_thumb) |
| 1595 |
{
|
| 1596 |
info->bytes_per_chunk = 2;
|
| 1597 |
|
| 1598 |
status = info->read_memory_func (pc, (bfd_byte *) b, 2, info);
|
| 1599 |
b[3] = b[2] = 0; |
| 1600 |
} |
| 1601 |
|
| 1602 |
if (status != 0) |
| 1603 |
{
|
| 1604 |
info->memory_error_func (status, pc, info); |
| 1605 |
return -1; |
| 1606 |
} |
| 1607 |
|
| 1608 |
given = (b[0]) | (b[1] << 8) | (b[2] << 16) | (b[3] << 24); |
| 1609 |
} |
| 1610 |
else
|
| 1611 |
{
|
| 1612 |
status = info->read_memory_func |
| 1613 |
(pc & ~ 0x3, (bfd_byte *) &b[0], 4, info); |
| 1614 |
if (status != 0) |
| 1615 |
{
|
| 1616 |
info->memory_error_func (status, pc, info); |
| 1617 |
return -1; |
| 1618 |
} |
| 1619 |
|
| 1620 |
if (is_thumb)
|
| 1621 |
{
|
| 1622 |
if (pc & 0x2) |
| 1623 |
{
|
| 1624 |
given = (b[2] << 8) | b[3]; |
| 1625 |
|
| 1626 |
status = info->read_memory_func |
| 1627 |
((pc + 4) & ~ 0x3, (bfd_byte *) b, 4, info); |
| 1628 |
if (status != 0) |
| 1629 |
{
|
| 1630 |
info->memory_error_func (status, pc + 4, info);
|
| 1631 |
return -1; |
| 1632 |
} |
| 1633 |
|
| 1634 |
given |= (b[0] << 24) | (b[1] << 16); |
| 1635 |
} |
| 1636 |
else
|
| 1637 |
given = (b[0] << 8) | b[1] | (b[2] << 24) | (b[3] << 16); |
| 1638 |
} |
| 1639 |
else
|
| 1640 |
given = (b[0] << 24) | (b[1] << 16) | (b[2] << 8) | (b[3]); |
| 1641 |
} |
| 1642 |
|
| 1643 |
if (info->flags & INSN_HAS_RELOC)
|
| 1644 |
/* If the instruction has a reloc associated with it, then
|
| 1645 |
the offset field in the instruction will actually be the
|
| 1646 |
addend for the reloc. (We are using REL type relocs).
|
| 1647 |
In such cases, we can ignore the pc when computing
|
| 1648 |
addresses, since the addend is not currently pc-relative. */
|
| 1649 |
pc = 0;
|
| 1650 |
if (is_thumb)
|
| 1651 |
status = print_insn_thumb (pc, info, given); |
| 1652 |
else
|
| 1653 |
status = print_insn_arm1 (pc, info, given); |
| 1654 |
|
| 1655 |
return status;
|
| 1656 |
} |
| 1657 |
|
| 1658 |
void
|
| 1659 |
print_arm_disassembler_options (FILE * stream) |
| 1660 |
{
|
| 1661 |
int i;
|
| 1662 |
|
| 1663 |
fprintf (stream, _("\n\
|
| 1664 |
The following ARM specific disassembler options are supported for use with\n\
|
| 1665 |
the -M switch:\n"));
|
| 1666 |
|
| 1667 |
for (i = NUM_ARM_REGNAMES; i--;)
|
| 1668 |
fprintf (stream, " reg-names-%s %*c%s\n",
|
| 1669 |
regnames[i].name, |
| 1670 |
(int)(14 - strlen (regnames[i].name)), ' ', |
| 1671 |
regnames[i].description); |
| 1672 |
|
| 1673 |
fprintf (stream, " force-thumb Assume all insns are Thumb insns\n");
|
| 1674 |
fprintf (stream, " no-force-thumb Examine preceeding label to determine an insn's type\n\n");
|
| 1675 |
} |