/* Instruction printing code for the ARM
- Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
- 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+ Copyright (C) 1994-2014 Free Software Foundation, Inc.
Contributed by Richard Earnshaw (rwe@pegasus.esprit.ec.org)
Modification by James G. Smith (jsmith@cygnus.co.uk)
#define NUM_ELEM(a) (sizeof (a) / sizeof (a)[0])
#endif
+/* Cached mapping symbol state. */
+enum map_type
+{
+ MAP_ARM,
+ MAP_THUMB,
+ MAP_DATA
+};
+
struct arm_private_data
{
/* The features to use when disassembling optional instructions. */
/* Whether any mapping symbols are present in the provided symbol
table. -1 if we do not know yet, otherwise 0 or 1. */
int has_mapping_symbols;
+
+ /* Track the last type (although this doesn't seem to be useful) */
+ enum map_type last_type;
+
+ /* Tracking symbol table information */
+ int last_mapping_sym;
+ bfd_vma last_mapping_addr;
};
struct opcode32
%c print condition code (always bits 28-31 in ARM mode)
%q print shifter argument
- %u print condition code (unconditional in ARM mode)
+ %u print condition code (unconditional in ARM mode,
+ UNPREDICTABLE if not AL in Thumb)
%A print address for ldc/stc/ldf/stf instruction
%B print vstm/vldm register list
%I print cirrus signed shift immediate: bits 0..3|4..6
%Q print floating point precision in ldf/stf insn
%R print floating point rounding mode
+ %<bitfield>c print as a condition code (for vsel)
%<bitfield>r print as an ARM register
%<bitfield>R as %<>r but r15 is UNPREDICTABLE
%<bitfield>ru as %<>r but each u register must be unique.
{FPU_NEON_EXT_V1, 0x0e400b10, 0x0fd00f10, "vmov%c.8\t%16-19,7D[%5,6,21d], %12-15r"},
{FPU_NEON_EXT_V1, 0x0e500b10, 0x0f500f10, "vmov%c.%23?us8\t%12-15r, %16-19,7D[%5,6,21d]"},
/* Half-precision conversion instructions. */
+ {FPU_VFP_EXT_ARMV8, 0x0eb20b40, 0x0fbf0f50, "vcvt%7?tb%c.f64.f16\t%z1, %y0"},
+ {FPU_VFP_EXT_ARMV8, 0x0eb30b40, 0x0fbf0f50, "vcvt%7?tb%c.f16.f64\t%y1, %z0"},
{FPU_VFP_EXT_FP16, 0x0eb20a40, 0x0fbf0f50, "vcvt%7?tb%c.f32.f16\t%y1, %y0"},
{FPU_VFP_EXT_FP16, 0x0eb30a40, 0x0fbf0f50, "vcvt%7?tb%c.f16.f32\t%y1, %y0"},
{FPU_VFP_EXT_FMA, 0x0e900a00, 0x0fb00f50, "vfnms%c.f32\t%y1, %y2, %y0"},
{FPU_VFP_EXT_FMA, 0x0e900b00, 0x0fb00f50, "vfnms%c.f64\t%z1, %z2, %z0"},
+ /* FP v5. */
+ {FPU_VFP_EXT_ARMV8, 0xfe000a00, 0xff800f00, "vsel%20-21c%u.f32\t%y1, %y2, %y0"},
+ {FPU_VFP_EXT_ARMV8, 0xfe000b00, 0xff800f00, "vsel%20-21c%u.f64\t%z1, %z2, %z0"},
+ {FPU_VFP_EXT_ARMV8, 0xfe800a00, 0xffb00f40, "vmaxnm%u.f32\t%y1, %y2, %y0"},
+ {FPU_VFP_EXT_ARMV8, 0xfe800b00, 0xffb00f40, "vmaxnm%u.f64\t%z1, %z2, %z0"},
+ {FPU_VFP_EXT_ARMV8, 0xfe800a40, 0xffb00f40, "vminnm%u.f32\t%y1, %y2, %y0"},
+ {FPU_VFP_EXT_ARMV8, 0xfe800b40, 0xffb00f40, "vminnm%u.f64\t%z1, %z2, %z0"},
+ {FPU_VFP_EXT_ARMV8, 0xfebc0a40, 0xffbc0f50, "vcvt%16-17?mpna%u.%7?su32.f32\t%y1, %y0"},
+ {FPU_VFP_EXT_ARMV8, 0xfebc0b40, 0xffbc0f50, "vcvt%16-17?mpna%u.%7?su32.f64\t%y1, %z0"},
+ {FPU_VFP_EXT_ARMV8, 0x0eb60a40, 0x0fbe0f50, "vrint%7,16??xzr%c.f32\t%y1, %y0"},
+ {FPU_VFP_EXT_ARMV8, 0x0eb60b40, 0x0fbe0f50, "vrint%7,16??xzr%c.f64\t%z1, %z0"},
+ {FPU_VFP_EXT_ARMV8, 0xfeb80a40, 0xffbc0f50, "vrint%16-17?mpna%u.f32\t%y1, %y0"},
+ {FPU_VFP_EXT_ARMV8, 0xfeb80b40, 0xffbc0f50, "vrint%16-17?mpna%u.f64\t%z1, %z0"},
+
/* Generic coprocessor instructions. */
{ 0, SENTINEL_GENERIC_START, 0, "" },
{ARM_EXT_V5E, 0x0c400000, 0x0ff00000, "mcrr%c\t%8-11d, %4-7d, %12-15R, %16-19r, cr%0-3d"},
%% %
%c print condition code
+ %u print condition code (unconditional in ARM mode,
+ UNPREDICTABLE if not AL in Thumb)
%A print v{st,ld}[1234] operands
%B print v{st,ld}[1234] any one operands
%C print v{st,ld}[1234] single->all operands
{FPU_NEON_EXT_FMA, 0xf2200c10, 0xffa00f10, "vfms%c.f%20U0\t%12-15,22R, %16-19,7R, %0-3,5R"},
/* Two registers, miscellaneous. */
+ {FPU_NEON_EXT_ARMV8, 0xf3ba0400, 0xffbf0c10, "vrint%7-9?p?m?zaxn%u.f32\t%12-15,22R, %0-3,5R"},
+ {FPU_NEON_EXT_ARMV8, 0xf3bb0000, 0xffbf0c10, "vcvt%8-9?mpna%u.%7?us32.f32\t%12-15,22R, %0-3,5R"},
+ {FPU_CRYPTO_EXT_ARMV8, 0xf3b00300, 0xffbf0fd0, "aese%u.8\t%12-15,22Q, %0-3,5Q"},
+ {FPU_CRYPTO_EXT_ARMV8, 0xf3b00340, 0xffbf0fd0, "aesd%u.8\t%12-15,22Q, %0-3,5Q"},
+ {FPU_CRYPTO_EXT_ARMV8, 0xf3b00380, 0xffbf0fd0, "aesmc%u.8\t%12-15,22Q, %0-3,5Q"},
+ {FPU_CRYPTO_EXT_ARMV8, 0xf3b003c0, 0xffbf0fd0, "aesimc%u.8\t%12-15,22Q, %0-3,5Q"},
+ {FPU_CRYPTO_EXT_ARMV8, 0xf3b902c0, 0xffbf0fd0, "sha1h%u.32\t%12-15,22Q, %0-3,5Q"},
+ {FPU_CRYPTO_EXT_ARMV8, 0xf3ba0380, 0xffbf0fd0, "sha1su1%u.32\t%12-15,22Q, %0-3,5Q"},
+ {FPU_CRYPTO_EXT_ARMV8, 0xf3ba03c0, 0xffbf0fd0, "sha256su0%u.32\t%12-15,22Q, %0-3,5Q"},
{FPU_NEON_EXT_V1, 0xf2880a10, 0xfebf0fd0, "vmovl%c.%24?us8\t%12-15,22Q, %0-3,5D"},
{FPU_NEON_EXT_V1, 0xf2900a10, 0xfebf0fd0, "vmovl%c.%24?us16\t%12-15,22Q, %0-3,5D"},
{FPU_NEON_EXT_V1, 0xf2a00a10, 0xfebf0fd0, "vmovl%c.%24?us32\t%12-15,22Q, %0-3,5D"},
{FPU_NEON_EXT_V1, 0xf3b30600, 0xffb30e10, "vcvt%c.%7-8?usff%18-19Sa.%7-8?ffus%18-19Sa\t%12-15,22R, %0-3,5R"},
/* Three registers of the same length. */
+ {FPU_CRYPTO_EXT_ARMV8, 0xf2000c40, 0xffb00f50, "sha1c%u.32\t%12-15,22Q, %16-19,7Q, %0-3,5Q"},
+ {FPU_CRYPTO_EXT_ARMV8, 0xf2100c40, 0xffb00f50, "sha1p%u.32\t%12-15,22Q, %16-19,7Q, %0-3,5Q"},
+ {FPU_CRYPTO_EXT_ARMV8, 0xf2200c40, 0xffb00f50, "sha1m%u.32\t%12-15,22Q, %16-19,7Q, %0-3,5Q"},
+ {FPU_CRYPTO_EXT_ARMV8, 0xf2300c40, 0xffb00f50, "sha1su0%u.32\t%12-15,22Q, %16-19,7Q, %0-3,5Q"},
+ {FPU_CRYPTO_EXT_ARMV8, 0xf3000c40, 0xffb00f50, "sha256h%u.32\t%12-15,22Q, %16-19,7Q, %0-3,5Q"},
+ {FPU_CRYPTO_EXT_ARMV8, 0xf3100c40, 0xffb00f50, "sha256h2%u.32\t%12-15,22Q, %16-19,7Q, %0-3,5Q"},
+ {FPU_CRYPTO_EXT_ARMV8, 0xf3200c40, 0xffb00f50, "sha256su1%u.32\t%12-15,22Q, %16-19,7Q, %0-3,5Q"},
+ {FPU_NEON_EXT_ARMV8, 0xf3000f10, 0xffa00f10, "vmaxnm%u.f%20U0\t%12-15,22R, %16-19,7R, %0-3,5R"},
+ {FPU_NEON_EXT_ARMV8, 0xf3200f10, 0xffa00f10, "vminnm%u.f%20U0\t%12-15,22R, %16-19,7R, %0-3,5R"},
{FPU_NEON_EXT_V1, 0xf2000110, 0xffb00f10, "vand%c\t%12-15,22R, %16-19,7R, %0-3,5R"},
{FPU_NEON_EXT_V1, 0xf2100110, 0xffb00f10, "vbic%c\t%12-15,22R, %16-19,7R, %0-3,5R"},
{FPU_NEON_EXT_V1, 0xf2200110, 0xffb00f10, "vorr%c\t%12-15,22R, %16-19,7R, %0-3,5R"},
{FPU_NEON_EXT_V1, 0xf2880850, 0xfeb80fd0, "vqrshrun%c.s16\t%12-15,22D, %0-3,5Q, #%16-18e"},
{FPU_NEON_EXT_V1, 0xf2880910, 0xfeb80fd0, "vqshrn%c.%24?us16\t%12-15,22D, %0-3,5Q, #%16-18e"},
{FPU_NEON_EXT_V1, 0xf2880950, 0xfeb80fd0, "vqrshrn%c.%24?us16\t%12-15,22D, %0-3,5Q, #%16-18e"},
- {FPU_NEON_EXT_V1, 0xf2880a10, 0xfeb80fd0, "vshll%c.%24?us8\t%12-15,22D, %0-3,5Q, #%16-18d"},
+ {FPU_NEON_EXT_V1, 0xf2880a10, 0xfeb80fd0, "vshll%c.%24?us8\t%12-15,22Q, %0-3,5D, #%16-18d"},
{FPU_NEON_EXT_V1, 0xf2900810, 0xffb00fd0, "vshrn%c.i32\t%12-15,22D, %0-3,5Q, #%16-19e"},
{FPU_NEON_EXT_V1, 0xf2900850, 0xffb00fd0, "vrshrn%c.i32\t%12-15,22D, %0-3,5Q, #%16-19e"},
{FPU_NEON_EXT_V1, 0xf2880510, 0xffb80f90, "vshl%c.%24?us8\t%12-15,22R, %0-3,5R, #%16-18d"},
{FPU_NEON_EXT_V1, 0xf2900850, 0xfeb00fd0, "vqrshrun%c.s32\t%12-15,22D, %0-3,5Q, #%16-19e"},
{FPU_NEON_EXT_V1, 0xf2900910, 0xfeb00fd0, "vqshrn%c.%24?us32\t%12-15,22D, %0-3,5Q, #%16-19e"},
{FPU_NEON_EXT_V1, 0xf2900950, 0xfeb00fd0, "vqrshrn%c.%24?us32\t%12-15,22D, %0-3,5Q, #%16-19e"},
- {FPU_NEON_EXT_V1, 0xf2900a10, 0xfeb00fd0, "vshll%c.%24?us16\t%12-15,22D, %0-3,5Q, #%16-19d"},
+ {FPU_NEON_EXT_V1, 0xf2900a10, 0xfeb00fd0, "vshll%c.%24?us16\t%12-15,22Q, %0-3,5D, #%16-19d"},
{FPU_NEON_EXT_V1, 0xf2880010, 0xfeb80f90, "vshr%c.%24?us8\t%12-15,22R, %0-3,5R, #%16-18e"},
{FPU_NEON_EXT_V1, 0xf2880110, 0xfeb80f90, "vsra%c.%24?us8\t%12-15,22R, %0-3,5R, #%16-18e"},
{FPU_NEON_EXT_V1, 0xf2880210, 0xfeb80f90, "vrshr%c.%24?us8\t%12-15,22R, %0-3,5R, #%16-18e"},
{FPU_NEON_EXT_V1, 0xf3900410, 0xffb00f90, "vsri%c.16\t%12-15,22R, %0-3,5R, #%16-19e"},
{FPU_NEON_EXT_V1, 0xf3900510, 0xffb00f90, "vsli%c.16\t%12-15,22R, %0-3,5R, #%16-19d"},
{FPU_NEON_EXT_V1, 0xf3900610, 0xffb00f90, "vqshlu%c.s16\t%12-15,22R, %0-3,5R, #%16-19d"},
- {FPU_NEON_EXT_V1, 0xf2a00a10, 0xfea00fd0, "vshll%c.%24?us32\t%12-15,22D, %0-3,5Q, #%16-20d"},
+ {FPU_NEON_EXT_V1, 0xf2a00a10, 0xfea00fd0, "vshll%c.%24?us32\t%12-15,22Q, %0-3,5D, #%16-20d"},
{FPU_NEON_EXT_V1, 0xf2900010, 0xfeb00f90, "vshr%c.%24?us16\t%12-15,22R, %0-3,5R, #%16-19e"},
{FPU_NEON_EXT_V1, 0xf2900110, 0xfeb00f90, "vsra%c.%24?us16\t%12-15,22R, %0-3,5R, #%16-19e"},
{FPU_NEON_EXT_V1, 0xf2900210, 0xfeb00f90, "vrshr%c.%24?us16\t%12-15,22R, %0-3,5R, #%16-19e"},
{FPU_NEON_EXT_V1, 0xf2a00e10, 0xfea00e90, "vcvt%c.%24,8?usff32.%24,8?ffus32\t%12-15,22R, %0-3,5R, #%16-20e"},
/* Three registers of different lengths. */
+ {FPU_CRYPTO_EXT_ARMV8, 0xf2a00e00, 0xfeb00f50, "vmull%c.p64\t%12-15,22Q, %16-19,7D, %0-3,5D"},
{FPU_NEON_EXT_V1, 0xf2800e00, 0xfea00f50, "vmull%c.p%20S0\t%12-15,22Q, %16-19,7D, %0-3,5D"},
{FPU_NEON_EXT_V1, 0xf2800400, 0xff800f50, "vaddhn%c.i%20-21T2\t%12-15,22D, %16-19,7Q, %0-3,5Q"},
{FPU_NEON_EXT_V1, 0xf2800600, 0xff800f50, "vsubhn%c.i%20-21T2\t%12-15,22D, %16-19,7Q, %0-3,5Q"},
%P print address for pli instruction.
%<bitfield>r print as an ARM register
+ %<bitfield>T print as an ARM register + 1
%<bitfield>R as %r but r15 is UNPREDICTABLE
%<bitfield>{r|R}u as %{r|R} but if matches the other %u field then is UNPREDICTABLE
%<bitfield>{r|R}U as %{r|R} but if matches the other %U field then is UNPREDICTABLE
%e print arm SMI operand (bits 0..7,8..19).
%E print the LSB and WIDTH fields of a BFI or BFC instruction.
- %V print the 16-bit immediate field of a MOVT or MOVW instruction. */
+ %V print the 16-bit immediate field of a MOVT or MOVW instruction.
+ %R print the SPSR/CPSR or banked register of an MRS. */
static const struct opcode32 arm_opcodes[] =
{
/* ARM instructions. */
{ARM_EXT_V1, 0xe1a00000, 0xffffffff, "nop\t\t\t; (mov r0, r0)"},
+ {ARM_EXT_V1, 0xe7f000f0, 0xfff000f0, "udf\t#%e"},
+
{ARM_EXT_V4T | ARM_EXT_V5, 0x012FFF10, 0x0ffffff0, "bx%c\t%0-3r"},
{ARM_EXT_V2, 0x00000090, 0x0fe000f0, "mul%20's%c\t%16-19R, %0-3R, %8-11R"},
{ARM_EXT_V2, 0x00200090, 0x0fe000f0, "mla%20's%c\t%16-19R, %0-3R, %8-11R, %12-15R"},
{ARM_EXT_V3M, 0x00800090, 0x0fa000f0, "%22?sumull%20's%c\t%12-15Ru, %16-19Ru, %0-3R, %8-11R"},
{ARM_EXT_V3M, 0x00a00090, 0x0fa000f0, "%22?sumlal%20's%c\t%12-15Ru, %16-19Ru, %0-3R, %8-11R"},
+ /* V8 instructions. */
+ {ARM_EXT_V8, 0x0320f005, 0x0fffffff, "sevl"},
+ {ARM_EXT_V8, 0xe1000070, 0xfff000f0, "hlt\t0x%16-19X%12-15X%8-11X%0-3X"},
+ {ARM_EXT_V8, 0x01800e90, 0x0ff00ff0, "stlex%c\t%12-15r, %0-3r, [%16-19R]"},
+ {ARM_EXT_V8, 0x01900e9f, 0x0ff00fff, "ldaex%c\t%12-15r, [%16-19R]"},
+ {ARM_EXT_V8, 0x01a00e90, 0x0ff00ff0, "stlexd%c\t%12-15r, %0-3r, %0-3T, [%16-19R]"},
+ {ARM_EXT_V8, 0x01b00e9f, 0x0ff00fff, "ldaexd%c\t%12-15r, %12-15T, [%16-19R]"},
+ {ARM_EXT_V8, 0x01c00e90, 0x0ff00ff0, "stlexb%c\t%12-15r, %0-3r, [%16-19R]"},
+ {ARM_EXT_V8, 0x01d00e9f, 0x0ff00fff, "ldaexb%c\t%12-15r, [%16-19R]"},
+ {ARM_EXT_V8, 0x01e00e90, 0x0ff00ff0, "stlexh%c\t%12-15r, %0-3r, [%16-19R]"},
+ {ARM_EXT_V8, 0x01f00e9f, 0x0ff00fff, "ldaexh%c\t%12-15r, [%16-19R]"},
+ {ARM_EXT_V8, 0x0180fc90, 0x0ff0fff0, "stl%c\t%0-3r, [%16-19R]"},
+ {ARM_EXT_V8, 0x01900c9f, 0x0ff00fff, "lda%c\t%12-15r, [%16-19R]"},
+ {ARM_EXT_V8, 0x01c0fc90, 0x0ff0fff0, "stlb%c\t%0-3r, [%16-19R]"},
+ {ARM_EXT_V8, 0x01d00c9f, 0x0ff00fff, "ldab%c\t%12-15r, [%16-19R]"},
+ {ARM_EXT_V8, 0x01e0fc90, 0x0ff0fff0, "stlh%c\t%0-3r, [%16-19R]"},
+ {ARM_EXT_V8, 0x01f00c9f, 0x0ff00fff, "ldaexh%c\t%12-15r, [%16-19R]"},
+ /* CRC32 instructions. */
+ {CRC_EXT_ARMV8, 0xe1000040, 0xfff00ff0, "crc32b\t%12-15R, %16-19R, %0-3R"},
+ {CRC_EXT_ARMV8, 0xe1200040, 0xfff00ff0, "crc32h\t%12-15R, %16-19R, %0-3R"},
+ {CRC_EXT_ARMV8, 0xe1400040, 0xfff00ff0, "crc32w\t%12-15R, %16-19R, %0-3R"},
+ {CRC_EXT_ARMV8, 0xe1000240, 0xfff00ff0, "crc32cb\t%12-15R, %16-19R, %0-3R"},
+ {CRC_EXT_ARMV8, 0xe1200240, 0xfff00ff0, "crc32ch\t%12-15R, %16-19R, %0-3R"},
+ {CRC_EXT_ARMV8, 0xe1400240, 0xfff00ff0, "crc32cw\t%12-15R, %16-19R, %0-3R"},
+
+ /* Virtualization Extension instructions. */
+ {ARM_EXT_VIRT, 0x0160006e, 0x0fffffff, "eret%c"},
+ {ARM_EXT_VIRT, 0x01400070, 0x0ff000f0, "hvc%c\t%e"},
+
+ /* Integer Divide Extension instructions. */
+ {ARM_EXT_ADIV, 0x0710f010, 0x0ff0f0f0, "sdiv%c\t%16-19r, %0-3r, %8-11r"},
+ {ARM_EXT_ADIV, 0x0730f010, 0x0ff0f0f0, "udiv%c\t%16-19r, %0-3r, %8-11r"},
+
+ /* MP Extension instructions. */
+ {ARM_EXT_MP, 0xf410f000, 0xfc70f000, "pldw\t%a"},
+
/* V7 instructions. */
{ARM_EXT_V7, 0xf450f000, 0xfd70f000, "pli\t%P"},
{ARM_EXT_V7, 0x0320f0f0, 0x0ffffff0, "dbg%c\t#%0-3d"},
+ {ARM_EXT_V8, 0xf57ff051, 0xfffffff3, "dmb\t%U"},
+ {ARM_EXT_V8, 0xf57ff041, 0xfffffff3, "dsb\t%U"},
{ARM_EXT_V7, 0xf57ff050, 0xfffffff0, "dmb\t%U"},
{ARM_EXT_V7, 0xf57ff040, 0xfffffff0, "dsb\t%U"},
{ARM_EXT_V7, 0xf57ff060, 0xfffffff0, "isb\t%U"},
{ARM_EXT_V6T2, 0x07c0001f, 0x0fe0007f, "bfc%c\t%12-15R, %E"},
{ARM_EXT_V6T2, 0x07c00010, 0x0fe00070, "bfi%c\t%12-15R, %0-3r, %E"},
{ARM_EXT_V6T2, 0x00600090, 0x0ff000f0, "mls%c\t%16-19R, %0-3R, %8-11R, %12-15R"},
- {ARM_EXT_V6T2, 0x006000b0, 0x0f7000f0, "strht%c\t%12-15R, %S"},
-
+ {ARM_EXT_V6T2, 0x002000b0, 0x0f3000f0, "strht%c\t%12-15R, %S"},
+
{ARM_EXT_V6T2, 0x00300090, 0x0f3000f0, UNDEFINED_INSTRUCTION },
{ARM_EXT_V6T2, 0x00300090, 0x0f300090, "ldr%6's%5?hbt%c\t%12-15R, %S"},
{ARM_EXT_V6T2, 0x06ff0f30, 0x0fff0ff0, "rbit%c\t%12-15R, %0-3R"},
{ARM_EXT_V6T2, 0x07a00050, 0x0fa00070, "%22?usbfx%c\t%12-15r, %0-3r, #%7-11d, #%16-20W"},
- /* ARM V6Z instructions. */
- {ARM_EXT_V6Z, 0x01600070, 0x0ff000f0, "smc%c\t%e"},
+ /* ARM Security extension instructions. */
+ {ARM_EXT_SEC, 0x01600070, 0x0ff000f0, "smc%c\t%e"},
/* ARM V6K instructions. */
{ARM_EXT_V6K, 0xf57ff01f, 0xffffffff, "clrex"},
{ARM_EXT_V1, 0x00e00000, 0x0fe00010, "rsc%20's%c\t%12-15r, %16-19r, %o"},
{ARM_EXT_V1, 0x00e00010, 0x0fe00090, "rsc%20's%c\t%12-15R, %16-19R, %o"},
- {ARM_EXT_V3, 0x0120f000, 0x0db0f000, "msr%c\t%22?SCPSR%C, %o"},
- {ARM_EXT_V3, 0x010f0000, 0x0fbf0fff, "mrs%c\t%12-15R, %22?SCPSR"},
+ {ARM_EXT_VIRT, 0x0120f200, 0x0fb0f200, "msr%c\t%C, %0-3r"},
+ {ARM_EXT_V3, 0x0120f000, 0x0db0f000, "msr%c\t%C, %o"},
+ {ARM_EXT_V3, 0x01000000, 0x0fb00cff, "mrs%c\t%12-15R, %R"},
{ARM_EXT_V1, 0x03000000, 0x0fe00000, "tst%p%c\t%16-19r, %o"},
{ARM_EXT_V1, 0x01000000, 0x0fe00010, "tst%p%c\t%16-19r, %o"},
{ARM_EXT_V1, 0x01200010, 0x0fe00090, "teq%p%c\t%16-19R, %o"},
{ARM_EXT_V1, 0x03400000, 0x0fe00000, "cmp%p%c\t%16-19r, %o"},
- {ARM_EXT_V3, 0x01400000, 0x0ff00010, "mrs%c\t%12-15R, %22?SCPSR"},
{ARM_EXT_V1, 0x01400000, 0x0fe00010, "cmp%p%c\t%16-19r, %o"},
{ARM_EXT_V1, 0x01400010, 0x0fe00090, "cmp%p%c\t%16-19R, %o"},
{ARM_EXT_V1, 0x04300000, 0x0d700000, "ldrt%c\t%12-15R, %a"},
{ARM_EXT_V1, 0x04100000, 0x0c500000, "ldr%c\t%12-15r, %a"},
+ {ARM_EXT_V1, 0x092d0001, 0x0fffffff, "stmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x092d0002, 0x0fffffff, "stmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x092d0004, 0x0fffffff, "stmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x092d0008, 0x0fffffff, "stmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x092d0010, 0x0fffffff, "stmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x092d0020, 0x0fffffff, "stmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x092d0040, 0x0fffffff, "stmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x092d0080, 0x0fffffff, "stmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x092d0100, 0x0fffffff, "stmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x092d0200, 0x0fffffff, "stmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x092d0400, 0x0fffffff, "stmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x092d0800, 0x0fffffff, "stmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x092d1000, 0x0fffffff, "stmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x092d2000, 0x0fffffff, "stmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x092d4000, 0x0fffffff, "stmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x092d8000, 0x0fffffff, "stmfd%c\t%16-19R!, %m"},
{ARM_EXT_V1, 0x092d0000, 0x0fff0000, "push%c\t%m"},
{ARM_EXT_V1, 0x08800000, 0x0ff00000, "stm%c\t%16-19R%21'!, %m%22'^"},
{ARM_EXT_V1, 0x08000000, 0x0e100000, "stm%23?id%24?ba%c\t%16-19R%21'!, %m%22'^"},
+
+ {ARM_EXT_V1, 0x08bd0001, 0x0fffffff, "ldmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x08bd0002, 0x0fffffff, "ldmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x08bd0004, 0x0fffffff, "ldmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x08bd0008, 0x0fffffff, "ldmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x08bd0010, 0x0fffffff, "ldmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x08bd0020, 0x0fffffff, "ldmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x08bd0040, 0x0fffffff, "ldmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x08bd0080, 0x0fffffff, "ldmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x08bd0100, 0x0fffffff, "ldmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x08bd0200, 0x0fffffff, "ldmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x08bd0400, 0x0fffffff, "ldmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x08bd0800, 0x0fffffff, "ldmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x08bd1000, 0x0fffffff, "ldmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x08bd2000, 0x0fffffff, "ldmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x08bd4000, 0x0fffffff, "ldmfd%c\t%16-19R!, %m"},
+ {ARM_EXT_V1, 0x08bd8000, 0x0fffffff, "ldmfd%c\t%16-19R!, %m"},
{ARM_EXT_V1, 0x08bd0000, 0x0fff0000, "pop%c\t%m"},
{ARM_EXT_V1, 0x08900000, 0x0f900000, "ldm%c\t%16-19R%21'!, %m%22'^"},
{ARM_EXT_V1, 0x08100000, 0x0e100000, "ldm%23?id%24?ba%c\t%16-19R%21'!, %m%22'^"},
+
{ARM_EXT_V1, 0x0a000000, 0x0e000000, "b%24'l%c\t%b"},
{ARM_EXT_V1, 0x0f000000, 0x0f000000, "svc%c\t%0-23x"},
{
/* Thumb instructions. */
+ /* ARM V8 instructions. */
+ {ARM_EXT_V8, 0xbf50, 0xffff, "sevl%c"},
+ {ARM_EXT_V8, 0xba80, 0xffc0, "hlt\t%0-5x"},
+
/* ARM V6K no-argument instructions. */
{ARM_EXT_V6K, 0xbf00, 0xffff, "nop%c"},
{ARM_EXT_V6K, 0xbf10, 0xffff, "yield%c"},
/* format 17 */
{ARM_EXT_V4T, 0xDF00, 0xFF00, "svc%c\t%0-7d"},
/* format 16 */
+ {ARM_EXT_V4T, 0xDE00, 0xFF00, "udf%c\t#%0-7d"},
{ARM_EXT_V4T, 0xDE00, 0xFE00, UNDEFINED_INSTRUCTION},
{ARM_EXT_V4T, 0xD000, 0xF000, "b%8-11c.n\t%0-7B%X"},
/* format 18 */
%M print a modified 12-bit immediate (same location)
%J print a 16-bit immediate from hw1[3:0,10],hw2[14:12,7:0]
%K print a 16-bit immediate from hw2[3:0],hw1[3:0],hw2[11:4]
+ %H print a 16-bit immediate from hw2[3:0],hw1[11:0]
%S print a possibly-shifted Rm
+ %L print address for a ldrd/strd instruction
%a print the address of a plain load/store
%w print the width and signedness of a core load/store
%m print register mask for ldm/stm
%<bitfield>d print bitfield in decimal
%<bitfield>W print bitfield*4 in decimal
%<bitfield>r print bitfield as an ARM register
- %<bitfield>R as %<>r bit r15 is UNPREDICTABLE
+ %<bitfield>R as %<>r but r15 is UNPREDICTABLE
+ %<bitfield>S as %<>R but r13 is UNPREDICTABLE
%<bitfield>c print bitfield as a condition code
%<bitfield>'c print specified char iff bitfield is all ones
makes heavy use of special-case bit patterns. */
static const struct opcode32 thumb32_opcodes[] =
{
+ /* V8 instructions. */
+ {ARM_EXT_V8, 0xf3af8005, 0xffffffff, "sevl%c.w"},
+ {ARM_EXT_V8, 0xf78f8000, 0xfffffffc, "dcps%0-1d"},
+ {ARM_EXT_V8, 0xe8c00f8f, 0xfff00fff, "stlb%c\t%12-15r, [%16-19R]"},
+ {ARM_EXT_V8, 0xe8c00f9f, 0xfff00fff, "stlh%c\t%12-15r, [%16-19R]"},
+ {ARM_EXT_V8, 0xe8c00faf, 0xfff00fff, "stl%c\t%12-15r, [%16-19R]"},
+ {ARM_EXT_V8, 0xe8c00fc0, 0xfff00ff0, "stlexb%c\t%0-3r, %12-15r, [%16-19R]"},
+ {ARM_EXT_V8, 0xe8c00fd0, 0xfff00ff0, "stlexh%c\t%0-3r, %12-15r, [%16-19R]"},
+ {ARM_EXT_V8, 0xe8c00fe0, 0xfff00ff0, "stlex%c\t%0-3r, %12-15r, [%16-19R]"},
+ {ARM_EXT_V8, 0xe8c000f0, 0xfff000f0, "stlexd%c\t%0-3r, %12-15r, %8-11r, [%16-19R]"},
+ {ARM_EXT_V8, 0xe8d00f8f, 0xfff00fff, "ldab%c\t%12-15r, [%16-19R]"},
+ {ARM_EXT_V8, 0xe8d00f9f, 0xfff00fff, "ldah%c\t%12-15r, [%16-19R]"},
+ {ARM_EXT_V8, 0xe8d00faf, 0xfff00fff, "lda%c\t%12-15r, [%16-19R]"},
+ {ARM_EXT_V8, 0xe8d00fcf, 0xfff00fff, "ldaexb%c\t%12-15r, [%16-19R]"},
+ {ARM_EXT_V8, 0xe8d00fdf, 0xfff00fff, "ldaexh%c\t%12-15r, [%16-19R]"},
+ {ARM_EXT_V8, 0xe8d00fef, 0xfff00fff, "ldaex%c\t%12-15r, [%16-19R]"},
+ {ARM_EXT_V8, 0xe8d000ff, 0xfff000ff, "ldaexd%c\t%12-15r, %8-11r, [%16-19R]"},
+
+ /* CRC32 instructions. */
+ {CRC_EXT_ARMV8, 0xfac0f080, 0xfff0f0f0, "crc32b\t%8-11S, %16-19S, %0-3S"},
+ {CRC_EXT_ARMV8, 0xfac0f090, 0xfff0f0f0, "crc32h\t%9-11S, %16-19S, %0-3S"},
+ {CRC_EXT_ARMV8, 0xfac0f0a0, 0xfff0f0f0, "crc32w\t%8-11S, %16-19S, %0-3S"},
+ {CRC_EXT_ARMV8, 0xfad0f080, 0xfff0f0f0, "crc32cb\t%8-11S, %16-19S, %0-3S"},
+ {CRC_EXT_ARMV8, 0xfad0f090, 0xfff0f0f0, "crc32ch\t%8-11S, %16-19S, %0-3S"},
+ {CRC_EXT_ARMV8, 0xfad0f0a0, 0xfff0f0f0, "crc32cw\t%8-11S, %16-19S, %0-3S"},
+
/* V7 instructions. */
{ARM_EXT_V7, 0xf910f000, 0xff70f000, "pli%c\t%a"},
{ARM_EXT_V7, 0xf3af80f0, 0xfffffff0, "dbg%c\t#%0-3d"},
+ {ARM_EXT_V8, 0xf3bf8f51, 0xfffffff3, "dmb%c\t%U"},
+ {ARM_EXT_V8, 0xf3bf8f41, 0xfffffff3, "dsb%c\t%U"},
{ARM_EXT_V7, 0xf3bf8f50, 0xfffffff0, "dmb%c\t%U"},
{ARM_EXT_V7, 0xf3bf8f40, 0xfffffff0, "dsb%c\t%U"},
{ARM_EXT_V7, 0xf3bf8f60, 0xfffffff0, "isb%c\t%U"},
{ARM_EXT_DIV, 0xfb90f0f0, 0xfff0f0f0, "sdiv%c\t%8-11r, %16-19r, %0-3r"},
{ARM_EXT_DIV, 0xfbb0f0f0, 0xfff0f0f0, "udiv%c\t%8-11r, %16-19r, %0-3r"},
+ /* Virtualization Extension instructions. */
+ {ARM_EXT_VIRT, 0xf7e08000, 0xfff0f000, "hvc%c\t%V"},
+ /* We skip ERET as that is SUBS pc, lr, #0. */
+
+ /* MP Extension instructions. */
+ {ARM_EXT_MP, 0xf830f000, 0xff70f000, "pldw%c\t%a"},
+
+ /* Security extension instructions. */
+ {ARM_EXT_SEC, 0xf7f08000, 0xfff0f000, "smc%c\t%K"},
+
/* Instructions defined in the basic V6T2 set. */
{ARM_EXT_V6T2, 0xf3af8000, 0xffffffff, "nop%c.w"},
{ARM_EXT_V6T2, 0xf3af8001, 0xffffffff, "yield%c.w"},
{ARM_EXT_V6T2, 0xf3af8003, 0xffffffff, "wfi%c.w"},
{ARM_EXT_V6T2, 0xf3af8004, 0xffffffff, "sev%c.w"},
{ARM_EXT_V6T2, 0xf3af8000, 0xffffff00, "nop%c.w\t{%0-7d}"},
+ {ARM_EXT_V6T2, 0xf7f0a000, 0xfff0f000, "udf%c.w\t%H"},
{ARM_EXT_V6T2, 0xf3bf8f2f, 0xffffffff, "clrex%c"},
{ARM_EXT_V6T2, 0xf3af8400, 0xffffff1f, "cpsie.w\t%7'a%6'i%5'f%X"},
{ARM_EXT_V6T2, 0xf3c08f00, 0xfff0ffff, "bxj%c\t%16-19r%x"},
{ARM_EXT_V6T2, 0xe810c000, 0xffd0ffff, "rfedb%c\t%16-19r%21'!"},
{ARM_EXT_V6T2, 0xe990c000, 0xffd0ffff, "rfeia%c\t%16-19r%21'!"},
- {ARM_EXT_V6T2, 0xf3ef8000, 0xffeff000, "mrs%c\t%8-11r, %D"},
+ {ARM_EXT_V6T2, 0xf3e08000, 0xffe0f000, "mrs%c\t%8-11r, %D"},
{ARM_EXT_V6T2, 0xf3af8100, 0xffffffe0, "cps\t#%0-4d%X"},
{ARM_EXT_V6T2, 0xe8d0f000, 0xfff0fff0, "tbb%c\t[%16-19r, %0-3r]%x"},
{ARM_EXT_V6T2, 0xe8d0f010, 0xfff0fff0, "tbh%c\t[%16-19r, %0-3r, lsl #1]%x"},
{ARM_EXT_V6T2, 0xfbe00000, 0xfff000f0, "umlal%c\t%12-15R, %8-11R, %16-19R, %0-3R"},
{ARM_EXT_V6T2, 0xfbe00060, 0xfff000f0, "umaal%c\t%12-15R, %8-11R, %16-19R, %0-3R"},
{ARM_EXT_V6T2, 0xe8500f00, 0xfff00f00, "ldrex%c\t%12-15r, [%16-19r, #%0-7W]"},
- {ARM_EXT_V6T2, 0xf7f08000, 0xfff0f000, "smc%c\t%K"},
{ARM_EXT_V6T2, 0xf04f0000, 0xfbef8000, "mov%20's%c.w\t%8-11r, %M"},
{ARM_EXT_V6T2, 0xf06f0000, 0xfbef8000, "mvn%20's%c.w\t%8-11r, %M"},
{ARM_EXT_V6T2, 0xf810f000, 0xff70f000, "pld%c\t%a"},
{ARM_EXT_V6T2, 0xe9100000, 0xffd00000, "ldmdb%c\t%16-19r%21'!, %m"},
{ARM_EXT_V6T2, 0xe9c00000, 0xffd000ff, "strd%c\t%12-15r, %8-11r, [%16-19r]"},
{ARM_EXT_V6T2, 0xe9d00000, 0xffd000ff, "ldrd%c\t%12-15r, %8-11r, [%16-19r]"},
- {ARM_EXT_V6T2, 0xe9400000, 0xff500000, "strd%c\t%12-15r, %8-11r, [%16-19r, #%23`-%0-7W]%21'!"},
- {ARM_EXT_V6T2, 0xe9500000, 0xff500000, "ldrd%c\t%12-15r, %8-11r, [%16-19r, #%23`-%0-7W]%21'!"},
- {ARM_EXT_V6T2, 0xe8600000, 0xff700000, "strd%c\t%12-15r, %8-11r, [%16-19r], #%23`-%0-7W"},
- {ARM_EXT_V6T2, 0xe8700000, 0xff700000, "ldrd%c\t%12-15r, %8-11r, [%16-19r], #%23`-%0-7W"},
+ {ARM_EXT_V6T2, 0xe9400000, 0xff500000, "strd%c\t%12-15r, %8-11r, [%16-19r, #%23`-%0-7W]%21'!%L"},
+ {ARM_EXT_V6T2, 0xe9500000, 0xff500000, "ldrd%c\t%12-15r, %8-11r, [%16-19r, #%23`-%0-7W]%21'!%L"},
+ {ARM_EXT_V6T2, 0xe8600000, 0xff700000, "strd%c\t%12-15r, %8-11r, [%16-19r], #%23`-%0-7W%L"},
+ {ARM_EXT_V6T2, 0xe8700000, 0xff700000, "ldrd%c\t%12-15r, %8-11r, [%16-19r], #%23`-%0-7W%L"},
{ARM_EXT_V6T2, 0xf8000000, 0xff100000, "str%w%c.w\t%12-15r, %a"},
{ARM_EXT_V6T2, 0xf8100000, 0xfe100000, "ldr%w%c.w\t%12-15r, %a"},
{ARM_EXT_V6T2, 0xf0009000, 0xf800d000, "b%c.w\t%B%x"},
/* These have been 32-bit since the invention of Thumb. */
- {ARM_EXT_V4T, 0xf000c000, 0xf800d000, "blx%c\t%B%x"},
+ {ARM_EXT_V4T, 0xf000c000, 0xf800d001, "blx%c\t%B%x"},
{ARM_EXT_V4T, 0xf000d000, 0xf800d000, "bl%c\t%B%x"},
/* Fallback. */
/* The address of the insn for which the IT state is valid. */
static bfd_vma ifthen_address;
#define IFTHEN_COND ((ifthen_state >> 4) & 0xf)
-
-/* Cached mapping symbol state. */
-enum map_type
-{
- MAP_ARM,
- MAP_THUMB,
- MAP_DATA
-};
-
-enum map_type last_type;
-int last_mapping_sym = -1;
-bfd_vma last_mapping_addr = 0;
+/* Indicates that the current Conditional state is unconditional or outside
+ an IT block. */
+#define COND_UNCOND 16
\f
/* Functions. */
if (ifthen_state)
cond = IFTHEN_COND;
else
- cond = 16;
+ cond = COND_UNCOND;
}
else
{
if ((given & 0xf0000000) == 0xf0000000)
{
mask |= 0xf0000000;
- cond = 16;
+ cond = COND_UNCOND;
}
else
{
cond = (given >> 28) & 0xf;
if (cond == 0xe)
- cond = 16;
+ cond = COND_UNCOND;
}
}
case 'A':
{
int rn = (given >> 16) & 0xf;
- int offset = given & 0xff;
+ bfd_vma offset = given & 0xff;
func (stream, "[%s", arm_regnames [(given >> 16) & 0xf]);
{
if (offset)
func (stream, ", #%d]%s",
- offset,
+ (int) offset,
WRITEBACK_BIT_SET ? "!" : "");
+ else if (NEGATIVE_BIT_SET)
+ func (stream, ", #-0]");
else
func (stream, "]");
}
if (WRITEBACK_BIT_SET)
{
if (offset)
- func (stream, ", #%d", offset);
+ func (stream, ", #%d", (int) offset);
+ else if (NEGATIVE_BIT_SET)
+ func (stream, ", #-0");
}
else
{
- func (stream, ", {%d}", offset);
+ func (stream, ", {%s%d}",
+ (NEGATIVE_BIT_SET && !offset) ? "-" : "",
+ (int) offset);
value_in_comment = offset;
}
}
if (rn == 15 && (PRE_BIT_SET || WRITEBACK_BIT_SET))
{
func (stream, "\t; ");
- info->print_address_func (offset + pc
- + info->bytes_per_chunk * 2, info);
+ /* For unaligned PCs, apply off-by-alignment
+ correction. */
+ info->print_address_func (offset + pc
+ + info->bytes_per_chunk * 2
+ - (pc & 3),
+ info);
}
}
break;
}
break;
+ case 'u':
+ if (cond != COND_UNCOND)
+ is_unpredictable = TRUE;
+
+ /* Fall through. */
case 'c':
func (stream, "%s", arm_conditional[cond]);
break;
func (stream, "0x%lx", (value & 0xffffffffUL));
break;
+ case 'c':
+ switch (value)
+ {
+ case 0:
+ func (stream, "eq");
+ break;
+
+ case 1:
+ func (stream, "vs");
+ break;
+
+ case 2:
+ func (stream, "ge");
+ break;
+
+ case 3:
+ func (stream, "gt");
+ break;
+
+ default:
+ func (stream, "??");
+ break;
+ }
+ break;
+
case '`':
c++;
if (value == 0)
{
/* given (20, 23) | given (0, 3) */
value = ((given >> 16) & 0xf0) | (given & 0xf);
- func (stream, "%d", value);
+ func (stream, "%d", (int) value);
}
break;
{
void *stream = info->stream;
fprintf_ftype func = info->fprintf_func;
- int offset = 0;
+ bfd_vma offset = 0;
if (((given & 0x000f0000) == 0x000f0000)
&& ((given & 0x02000000) == 0))
func (stream, "[pc");
- if (NEGATIVE_BIT_SET)
- offset = - offset;
-
if (PRE_BIT_SET)
{
- /* Pre-indexed. */
- func (stream, ", #%d]", offset);
+ /* Pre-indexed. Elide offset of positive zero when
+ non-writeback. */
+ if (WRITEBACK_BIT_SET || NEGATIVE_BIT_SET || offset)
+ func (stream, ", #%s%d", NEGATIVE_BIT_SET ? "-" : "", (int) offset);
+
+ if (NEGATIVE_BIT_SET)
+ offset = -offset;
offset += pc + 8;
being used. Probably a very dangerous thing
for the programmer to do, but who are we to
argue ? */
- if (WRITEBACK_BIT_SET)
- func (stream, "!");
+ func (stream, "]%s", WRITEBACK_BIT_SET ? "!" : "");
}
else /* Post indexed. */
{
- func (stream, "], #%d", offset);
+ func (stream, "], #%s%d", NEGATIVE_BIT_SET ? "-" : "", (int) offset);
/* Ie ignore the offset. */
offset = pc + 8;
{
if ((given & 0x02000000) == 0)
{
+ /* Elide offset of positive zero when non-writeback. */
offset = given & 0xfff;
- if (offset)
- func (stream, ", #%s%d",
- NEGATIVE_BIT_SET ? "-" : "", offset);
+ if (WRITEBACK_BIT_SET || NEGATIVE_BIT_SET || offset)
+ func (stream, ", #%s%d", NEGATIVE_BIT_SET ? "-" : "", (int) offset);
}
else
{
- func (stream, ", %s",
- NEGATIVE_BIT_SET ? "-" : "");
+ func (stream, ", %s", NEGATIVE_BIT_SET ? "-" : "");
arm_decode_shift (given, func, stream, TRUE);
}
{
if ((given & 0x02000000) == 0)
{
+ /* Always show offset. */
offset = given & 0xfff;
- if (offset)
- func (stream, "], #%s%d",
- NEGATIVE_BIT_SET ? "-" : "", offset);
- else
- func (stream, "]");
+ func (stream, "], #%s%d",
+ NEGATIVE_BIT_SET ? "-" : "", (int) offset);
}
else
{
arm_decode_shift (given, func, stream, TRUE);
}
}
+ if (NEGATIVE_BIT_SET)
+ offset = -offset;
}
return (signed long) offset;
if ((given & insn->mask) == insn->value)
{
signed long value_in_comment = 0;
+ bfd_boolean is_unpredictable = FALSE;
const char *c;
for (c = insn->assembler; *c; c++)
func (stream, "%%");
break;
+ case 'u':
+ if (thumb && ifthen_state)
+ is_unpredictable = TRUE;
+
+ /* Fall through. */
case 'c':
if (thumb && ifthen_state)
func (stream, "%s", arm_conditional[IFTHEN_COND]);
func (stream, "{d%d-d%d}", regno, regno + num);
}
break;
-
+
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
if (value_in_comment > 32 || value_in_comment < -16)
func (stream, "\t; 0x%lx", value_in_comment);
+ if (is_unpredictable)
+ func (stream, UNPREDICTABLE_INSTRUCTION);
+
return TRUE;
}
}
return FALSE;
}
+/* Return the name of a v7A special register. */
+
+static const char *
+banked_regname (unsigned reg)
+{
+ switch (reg)
+ {
+ case 15: return "CPSR";
+ case 32: return "R8_usr";
+ case 33: return "R9_usr";
+ case 34: return "R10_usr";
+ case 35: return "R11_usr";
+ case 36: return "R12_usr";
+ case 37: return "SP_usr";
+ case 38: return "LR_usr";
+ case 40: return "R8_fiq";
+ case 41: return "R9_fiq";
+ case 42: return "R10_fiq";
+ case 43: return "R11_fiq";
+ case 44: return "R12_fiq";
+ case 45: return "SP_fiq";
+ case 46: return "LR_fiq";
+ case 48: return "LR_irq";
+ case 49: return "SP_irq";
+ case 50: return "LR_svc";
+ case 51: return "SP_svc";
+ case 52: return "LR_abt";
+ case 53: return "SP_abt";
+ case 54: return "LR_und";
+ case 55: return "SP_und";
+ case 60: return "LR_mon";
+ case 61: return "SP_mon";
+ case 62: return "ELR_hyp";
+ case 63: return "SP_hyp";
+ case 79: return "SPSR";
+ case 110: return "SPSR_fiq";
+ case 112: return "SPSR_irq";
+ case 114: return "SPSR_svc";
+ case 116: return "SPSR_abt";
+ case 118: return "SPSR_und";
+ case 124: return "SPSR_mon";
+ case 126: return "SPSR_hyp";
+ default: return NULL;
+ }
+}
+
+/* Return the name of the DMB/DSB option. */
+static const char *
+data_barrier_option (unsigned option)
+{
+ switch (option & 0xf)
+ {
+ case 0xf: return "sy";
+ case 0xe: return "st";
+ case 0xd: return "ld";
+ case 0xb: return "ish";
+ case 0xa: return "ishst";
+ case 0x9: return "ishld";
+ case 0x7: return "un";
+ case 0x6: return "unst";
+ case 0x5: return "nshld";
+ case 0x3: return "osh";
+ case 0x2: return "oshst";
+ case 0x1: return "oshld";
+ default: return NULL;
+ }
+}
+
/* Print one ARM instruction from PC on INFO->STREAM. */
static void
if ((given & 0x004f0000) == 0x004f0000)
{
/* PC relative with immediate offset. */
- int offset = ((given & 0xf00) >> 4) | (given & 0xf);
-
- if (NEGATIVE_BIT_SET)
- offset = - offset;
+ bfd_vma offset = ((given & 0xf00) >> 4) | (given & 0xf);
if (PRE_BIT_SET)
{
- if (offset)
- func (stream, "[pc, #%d]\t; ", offset);
+ /* Elide positive zero offset. */
+ if (offset || NEGATIVE_BIT_SET)
+ func (stream, "[pc, #%s%d]\t; ",
+ NEGATIVE_BIT_SET ? "-" : "", (int) offset);
else
- func (stream, "[pc]\t; ");
+ func (stream, "[pc]\t; ");
+ if (NEGATIVE_BIT_SET)
+ offset = -offset;
info->print_address_func (offset + pc + 8, info);
}
else
{
- func (stream, "[pc], #%d", offset);
+ /* Always show the offset. */
+ func (stream, "[pc], #%s%d",
+ NEGATIVE_BIT_SET ? "-" : "", (int) offset);
if (! allow_unpredictable)
is_unpredictable = TRUE;
}
{
int offset = ((given & 0xf00) >> 4) | (given & 0xf);
- if (NEGATIVE_BIT_SET)
- offset = - offset;
-
func (stream, "[%s",
arm_regnames[(given >> 16) & 0xf]);
{
if (IMMEDIATE_BIT_SET)
{
- if (WRITEBACK_BIT_SET)
- /* Immediate Pre-indexed. */
- /* PR 10924: Offset must be printed, even if it is zero. */
- func (stream, ", #%d", offset);
- else if (offset)
- /* Immediate Offset: printing zero offset is optional. */
- func (stream, ", #%d", offset);
+ /* Elide offset for non-writeback
+ positive zero. */
+ if (WRITEBACK_BIT_SET || NEGATIVE_BIT_SET
+ || offset)
+ func (stream, ", #%s%d",
+ NEGATIVE_BIT_SET ? "-" : "", offset);
+
+ if (NEGATIVE_BIT_SET)
+ offset = -offset;
value_in_comment = offset;
}
{
/* Immediate Post-indexed. */
/* PR 10924: Offset must be printed, even if it is zero. */
- func (stream, "], #%d", offset);
+ func (stream, "], #%s%d",
+ NEGATIVE_BIT_SET ? "-" : "", offset);
+ if (NEGATIVE_BIT_SET)
+ offset = -offset;
value_in_comment = offset;
}
else
case 'b':
{
- int disp = (((given & 0xffffff) ^ 0x800000) - 0x800000);
+ bfd_vma disp = (((given & 0xffffff) ^ 0x800000) - 0x800000);
info->print_address_func (disp * 4 + pc + 8, info);
}
break;
case 'o':
if ((given & 0x02000000) != 0)
{
- int rotate = (given & 0xf00) >> 7;
- int immed = (given & 0xff);
+ unsigned int rotate = (given & 0xf00) >> 7;
+ unsigned int immed = (given & 0xff);
+ unsigned int a, i;
+
+ a = (((immed << (32 - rotate))
+ | (immed >> rotate)) & 0xffffffff);
+ /* If there is another encoding with smaller rotate,
+ the rotate should be specified directly. */
+ for (i = 0; i < 32; i += 2)
+ if ((a << i | a >> (32 - i)) <= 0xff)
+ break;
- immed = (((immed << (32 - rotate))
- | (immed >> rotate)) & 0xffffffff);
- func (stream, "#%d", immed);
- value_in_comment = immed;
+ if (i != rotate)
+ func (stream, "#%d, %d", immed, rotate);
+ else
+ func (stream, "#%d", a);
+ value_in_comment = a;
}
else
arm_decode_shift (given, func, stream, TRUE);
{
if (offset)
func (stream, ", #%d]%s",
- value_in_comment,
+ (int) value_in_comment,
WRITEBACK_BIT_SET ? "!" : "");
else
func (stream, "]");
if (WRITEBACK_BIT_SET)
{
if (offset)
- func (stream, ", #%d", value_in_comment);
+ func (stream, ", #%d", (int) value_in_comment);
}
else
{
- func (stream, ", {%d}", offset);
+ func (stream, ", {%d}", (int) offset);
value_in_comment = offset;
}
}
break;
case 'C':
- func (stream, "_");
- if (given & 0x80000)
- func (stream, "f");
- if (given & 0x40000)
- func (stream, "s");
- if (given & 0x20000)
- func (stream, "x");
- if (given & 0x10000)
- func (stream, "c");
+ if ((given & 0x02000200) == 0x200)
+ {
+ const char * name;
+ unsigned sysm = (given & 0x004f0000) >> 16;
+
+ sysm |= (given & 0x300) >> 4;
+ name = banked_regname (sysm);
+
+ if (name != NULL)
+ func (stream, "%s", name);
+ else
+ func (stream, "(UNDEF: %lu)", (unsigned long) sysm);
+ }
+ else
+ {
+ func (stream, "%cPSR_",
+ (given & 0x00400000) ? 'S' : 'C');
+ if (given & 0x80000)
+ func (stream, "f");
+ if (given & 0x40000)
+ func (stream, "s");
+ if (given & 0x20000)
+ func (stream, "x");
+ if (given & 0x10000)
+ func (stream, "c");
+ }
break;
case 'U':
}
else
{
- switch (given & 0xf)
- {
- case 0xf: func (stream, "sy"); break;
- case 0x7: func (stream, "un"); break;
- case 0xe: func (stream, "st"); break;
- case 0x6: func (stream, "unst"); break;
- case 0xb: func (stream, "ish"); break;
- case 0xa: func (stream, "ishst"); break;
- case 0x3: func (stream, "osh"); break;
- case 0x2: func (stream, "oshst"); break;
- default:
+ const char * opt = data_barrier_option (given & 0xf);
+ if (opt != NULL)
+ func (stream, "%s", opt);
+ else
func (stream, "#%d", (int) given & 0xf);
- break;
- }
}
break;
is_unpredictable = TRUE;
/* Fall through. */
case 'r':
+ case 'T':
+ /* We want register + 1 when decoding T. */
+ if (*c == 'T')
+ ++value;
+
if (c[1] == 'u')
{
/* Eat the 'u' character. */
}
break;
+ case 'R':
+ /* Get the PSR/banked register name. */
+ {
+ const char * name;
+ unsigned sysm = (given & 0x004f0000) >> 16;
+
+ sysm |= (given & 0x300) >> 4;
+ name = banked_regname (sysm);
+
+ if (name != NULL)
+ func (stream, "%s", name);
+ else
+ func (stream, "(UNDEF: %lu)", (unsigned long) sysm);
+ }
+ break;
+
case 'V':
/* 16-bit unsigned immediate from a MOVT or MOVW
instruction, encoded in bits 0:11 and 15:19. */
if (started)
func (stream, ", ");
started = 1;
- func (stream, arm_regnames[14] /* "lr" */);
+ func (stream, "%s", arm_regnames[14] /* "lr" */);
}
if (domaskpc)
{
if (started)
func (stream, ", ");
- func (stream, arm_regnames[15] /* "pc" */);
+ func (stream, "%s", arm_regnames[15] /* "pc" */);
}
func (stream, "}");
{
case '-':
{
- long reg;
+ bfd_vma reg;
c++;
while (*c >= '0' && *c <= '9')
break;
case 'd':
- func (stream, "%ld", reg);
+ func (stream, "%ld", (long) reg);
value_in_comment = reg;
break;
case 'H':
- func (stream, "%ld", reg << 1);
+ func (stream, "%ld", (long) (reg << 1));
value_in_comment = reg << 1;
break;
case 'W':
- func (stream, "%ld", reg << 2);
+ func (stream, "%ld", (long) (reg << 2));
value_in_comment = reg << 2;
break;
break;
case 'x':
- func (stream, "0x%04lx", reg);
+ func (stream, "0x%04lx", (long) reg);
break;
case 'B':
case 9: return "PSP";
case 16: return "PRIMASK";
case 17: return "BASEPRI";
- case 18: return "BASEPRI_MASK";
+ case 18: return "BASEPRI_MAX";
case 19: return "FAULTMASK";
case 20: return "CONTROL";
default: return "<unknown>";
}
break;
+ case 'H':
+ {
+ unsigned int imm = 0;
+
+ imm |= (given & 0x000f0000u) >> 4;
+ imm |= (given & 0x00000fffu) >> 0;
+ func (stream, "#%u", imm);
+ value_in_comment = imm;
+ }
+ break;
+
+ case 'V':
+ {
+ unsigned int imm = 0;
+
+ imm |= (given & 0x00000fffu);
+ imm |= (given & 0x000f0000u) >> 4;
+ func (stream, "#%u", imm);
+ value_in_comment = imm;
+ }
+ break;
+
case 'S':
{
unsigned int reg = (given & 0x0000000fu);
unsigned int i12 = (given & 0x00000fff);
unsigned int i8 = (given & 0x000000ff);
bfd_boolean writeback = FALSE, postind = FALSE;
- int offset = 0;
+ bfd_vma offset = 0;
func (stream, "[%s", arm_regnames[Rn]);
if (U) /* 12-bit positive immediate offset. */
}
if (postind)
- func (stream, "], #%d", offset);
+ func (stream, "], #%d", (int) offset);
else
{
if (offset)
- func (stream, ", #%d", offset);
+ func (stream, ", #%d", (int) offset);
func (stream, writeback ? "]!" : "]");
}
unsigned int S = (given & 0x04000000u) >> 26;
unsigned int J1 = (given & 0x00002000u) >> 13;
unsigned int J2 = (given & 0x00000800u) >> 11;
- int offset = 0;
+ bfd_vma offset = 0;
offset |= !S << 20;
offset |= J2 << 19;
unsigned int S = (given & 0x04000000u) >> 26;
unsigned int I1 = (given & 0x00002000u) >> 13;
unsigned int I2 = (given & 0x00000800u) >> 11;
- int offset = 0;
+ bfd_vma offset = 0;
offset |= !S << 24;
offset |= !(I1 ^ S) << 23;
}
else
{
- switch (given & 0xf)
- {
- case 0xf: func (stream, "sy"); break;
- case 0x7: func (stream, "un"); break;
- case 0xe: func (stream, "st"); break;
- case 0x6: func (stream, "unst"); break;
- case 0xb: func (stream, "ish"); break;
- case 0xa: func (stream, "ishst"); break;
- case 0x3: func (stream, "osh"); break;
- case 0x2: func (stream, "oshst"); break;
- default:
- func (stream, "#%d", (int) given & 0xf);
- break;
- }
+ const char * opt = data_barrier_option (given & 0xf);
+ if (opt != NULL)
+ func (stream, "%s", opt);
+ else
+ func (stream, "#%d", (int) given & 0xf);
}
break;
if (given & 0x100)
func (stream, "c");
}
+ else if ((given & 0x20) == 0x20)
+ {
+ char const* name;
+ unsigned sysm = (given & 0xf00) >> 8;
+
+ sysm |= (given & 0x30);
+ sysm |= (given & 0x00100000) >> 14;
+ name = banked_regname (sysm);
+
+ if (name != NULL)
+ func (stream, "%s", name);
+ else
+ func (stream, "(UNDEF: %lu)", (unsigned long) sysm);
+ }
else
{
- func (stream, psr_name (given & 0xff));
+ func (stream, "%s", psr_name (given & 0xff));
}
break;
case 'D':
- if ((given & 0xff) == 0)
- func (stream, "%cPSR", (given & 0x100000) ? 'S' : 'C');
+ if (((given & 0xff) == 0)
+ || ((given & 0x20) == 0x20))
+ {
+ char const* name;
+ unsigned sm = (given & 0xf0000) >> 16;
+
+ sm |= (given & 0x30);
+ sm |= (given & 0x00100000) >> 14;
+ name = banked_regname (sm);
+
+ if (name != NULL)
+ func (stream, "%s", name);
+ else
+ func (stream, "(UNDEF: %lu)", (unsigned long) sm);
+ }
else
- func (stream, psr_name (given & 0xff));
+ func (stream, "%s", psr_name (given & 0xff));
break;
case '0': case '1': case '2': case '3': case '4':
value_in_comment = val * 4;
break;
+ case 'S':
+ if (val == 13)
+ is_unpredictable = TRUE;
+ /* Fall through. */
case 'R':
if (val == 15)
is_unpredictable = TRUE;
}
break;
+ case 'L':
+ /* PR binutils/12534
+ If we have a PC relative offset in an LDRD or STRD
+ instructions then display the decoded address. */
+ if (((given >> 16) & 0xf) == 0xf)
+ {
+ bfd_vma offset = (given & 0xff) * 4;
+
+ if ((given & (1 << 23)) == 0)
+ offset = - offset;
+ func (stream, "\t; ");
+ info->print_address_func ((pc & ~3) + 4 + offset, info);
+ }
+ break;
+
default:
abort ();
}
type = ELF_ST_TYPE (es->internal_elf_sym.st_info);
/* If the symbol has function type then use that. */
- if (type == STT_FUNC || type == STT_ARM_TFUNC)
+ if (type == STT_FUNC || type == STT_GNU_IFUNC)
{
- *map_type = (type == STT_ARM_TFUNC) ? MAP_THUMB : MAP_ARM;
+ if (ARM_SYM_BRANCH_TYPE (&es->internal_elf_sym) == ST_BRANCH_TO_THUMB)
+ *map_type = MAP_THUMB;
+ else
+ *map_type = MAP_ARM;
return TRUE;
}
select_arm_features (info->mach, & private.features);
private.has_mapping_symbols = -1;
+ private.last_mapping_sym = -1;
+ private.last_mapping_addr = 0;
info->private_data = & private;
}
/* Start scanning at the start of the function, or wherever
we finished last time. */
- start = info->symtab_pos + 1;
- if (start < last_mapping_sym)
- start = last_mapping_sym;
+ /* PR 14006. When the address is 0 we are either at the start of the
+ very first function, or else the first function in a new, unlinked
+ executable section (eg because uf -ffunction-sections). Either way
+ start scanning from the beginning of the symbol table, not where we
+ left off last time. */
+ if (pc == 0)
+ start = 0;
+ else
+ {
+ start = info->symtab_pos + 1;
+ if (start < private_data->last_mapping_sym)
+ start = private_data->last_mapping_sym;
+ }
found = FALSE;
/* First, look for mapping symbols. */
if (!found)
{
/* No mapping symbol found at this address. Look backwards
- for a preceeding one. */
+ for a preceding one. */
for (n = start - 1; n >= 0; n--)
{
if (get_map_sym_type (info, n, &type))
if (!found)
{
/* No mapping symbol found at this address. Look backwards
- for a preceeding one. */
+ for a preceding one. */
for (n = start - 1; n >= 0; n--)
{
if (get_sym_code_type (info, n, &type))
}
}
- last_mapping_sym = last_sym;
- last_type = type;
- is_thumb = (last_type == MAP_THUMB);
- is_data = (last_type == MAP_DATA);
+ private_data->last_mapping_sym = last_sym;
+ private_data->last_type = type;
+ is_thumb = (private_data->last_type == MAP_THUMB);
+ is_data = (private_data->last_type == MAP_DATA);
/* Look a little bit ahead to see if we should print out
two or four bytes of data. If there's a symbol,
es = *(elf_symbol_type **)(info->symbols);
type = ELF_ST_TYPE (es->internal_elf_sym.st_info);
- is_thumb = (type == STT_ARM_TFUNC) || (type == STT_ARM_16BIT);
+ is_thumb = ((ARM_SYM_BRANCH_TYPE (&es->internal_elf_sym)
+ == ST_BRANCH_TO_THUMB)
+ || type == STT_ARM_16BIT);
}
}
regnames[i].description);
fprintf (stream, " force-thumb Assume all insns are Thumb insns\n");
- fprintf (stream, " no-force-thumb Examine preceeding label to determine an insn's type\n\n");
+ fprintf (stream, " no-force-thumb Examine preceding label to determine an insn's type\n\n");
}
projects / platform / upstream / binutils.git / blobdiff