diff options
Diffstat (limited to 'opcodes/arm-dis.c')
| -rw-r--r-- | opcodes/arm-dis.c | 236 |
1 files changed, 133 insertions, 103 deletions
diff --git a/opcodes/arm-dis.c b/opcodes/arm-dis.c index bee84549322..20cb875ef92 100644 --- a/opcodes/arm-dis.c +++ b/opcodes/arm-dis.c @@ -48,8 +48,8 @@ struct opcode32 { unsigned long arch; /* Architecture defining this insn. */ - unsigned long value; /* Recognise insn if (op & mask) == value. */ - unsigned long mask; /* If arch == 0 then value is a sentinel. */ + unsigned long value; /* If arch == 0 then value is a sentinel. */ + unsigned long mask; /* Recognise insn if (op & mask) == value. */ const char * assembler; /* How to disassemble this insn. */ }; @@ -104,8 +104,7 @@ struct opcode16 versions. %i print 5-bit immediate in bits 8,3..0 (print "32" when 0) - %r print register offset address for wldt/wstr instruction -*/ + %r print register offset address for wldt/wstr instruction. */ enum { @@ -206,7 +205,7 @@ static const struct opcode32 coprocessor_opcodes[] = {ARM_CEXT_XSCALE, 0x0e100000, 0x0ff00ff0, "wxor%c\t%12-15g, %16-19g, %0-3g"}, { 0, SENTINEL_IWMMXT_END, 0, "" }, - /* Floating point coprocessor (FPA) instructions */ + /* Floating point coprocessor (FPA) instructions. */ {FPU_FPA_EXT_V1, 0x0e000100, 0x0ff08f10, "adf%c%P%R\t%12-14f, %16-18f, %0-3f"}, {FPU_FPA_EXT_V1, 0x0e100100, 0x0ff08f10, "muf%c%P%R\t%12-14f, %16-18f, %0-3f"}, {FPU_FPA_EXT_V1, 0x0e200100, 0x0ff08f10, "suf%c%P%R\t%12-14f, %16-18f, %0-3f"}, @@ -248,10 +247,10 @@ static const struct opcode32 coprocessor_opcodes[] = {FPU_FPA_EXT_V1, 0x0ef0f110, 0x0ff8fff0, "cnfe%c\t%16-18f, %0-3f"}, {FPU_FPA_EXT_V1, 0x0c000100, 0x0e100f00, "stf%c%Q\t%12-14f, %A"}, {FPU_FPA_EXT_V1, 0x0c100100, 0x0e100f00, "ldf%c%Q\t%12-14f, %A"}, - {FPU_FPA_EXT_V2, 0x0c000200, 0x0e100f00, "sfm%c\t%12-14f, %F, %A"}, - {FPU_FPA_EXT_V2, 0x0c100200, 0x0e100f00, "lfm%c\t%12-14f, %F, %A"}, + {FPU_FPA_EXT_V2, 0x0c000200, 0x0e100f00, "sfm%c\t%12-14f, %F, %A\t; (stc%22'l%c %8-11d, cr%12-15d, %A)"}, + {FPU_FPA_EXT_V2, 0x0c100200, 0x0e100f00, "lfm%c\t%12-14f, %F, %A\t; (ldc%22'l%c %8-11d, cr%12-15d, %A)"}, - /* Register load/store */ + /* Register load/store. */ {FPU_VFP_EXT_V1xD | FPU_NEON_EXT_V1, 0x0d2d0b00, 0x0fbf0f01, "vpush%c\t%B"}, {FPU_VFP_EXT_V1xD | FPU_NEON_EXT_V1, 0x0d200b00, 0x0fb00f01, "vstmdb%c\t%16-19r!, %B"}, {FPU_VFP_EXT_V1xD | FPU_NEON_EXT_V1, 0x0d300b00, 0x0fb00f01, "vldmdb%c\t%16-19r!, %B"}, @@ -274,7 +273,7 @@ static const struct opcode32 coprocessor_opcodes[] = {FPU_VFP_EXT_V1xD, 0x0c800b01, 0x0f900f01, "fstmiax%c\t%16-19r%21'!, %z3\t;@ Deprecated"}, {FPU_VFP_EXT_V1xD, 0x0c900b01, 0x0f900f01, "fldmiax%c\t%16-19r%21'!, %z3\t;@ Deprecated"}, - /* Data transfer between ARM and NEON registers */ + /* Data transfer between ARM and NEON registers. */ {FPU_NEON_EXT_V1, 0x0e800b10, 0x0ff00f70, "vdup%c.32\t%16-19,7D, %12-15r"}, {FPU_NEON_EXT_V1, 0x0e800b30, 0x0ff00f70, "vdup%c.16\t%16-19,7D, %12-15r"}, {FPU_NEON_EXT_V1, 0x0ea00b10, 0x0ff00f70, "vdup%c.32\t%16-19,7Q, %12-15r"}, @@ -293,7 +292,7 @@ static const struct opcode32 coprocessor_opcodes[] = {FPU_NEON_FP16, 0x0eb20a40, 0x0fbf0f50, "vcvt%7?tb%c.f32.f16\t%y1, %y0"}, {FPU_NEON_FP16, 0x0eb30a40, 0x0fbf0f50, "vcvt%7?tb%c.f16.f32\t%y1, %y0"}, - /* Floating point coprocessor (VFP) instructions */ + /* Floating point coprocessor (VFP) instructions. */ {FPU_VFP_EXT_V1xD, 0x0ee00a10, 0x0fff0fff, "vmsr%c\tfpsid, %12-15r"}, {FPU_VFP_EXT_V1xD, 0x0ee10a10, 0x0fff0fff, "vmsr%c\tfpscr, %12-15r"}, {FPU_VFP_EXT_V1xD, 0x0ee60a10, 0x0fff0fff, "vmsr%c\tmvfr1, %12-15r"}, @@ -500,20 +499,20 @@ static const struct opcode32 coprocessor_opcodes[] = %<bitfield>'c print specified char iff bitfield is all ones %<bitfield>`c print specified char iff bitfield is all zeroes - %<bitfield>?ab... select from array of values in big endian order */ + %<bitfield>?ab... select from array of values in big endian order. */ static const struct opcode32 neon_opcodes[] = { - /* Extract */ + /* Extract. */ {FPU_NEON_EXT_V1, 0xf2b00840, 0xffb00850, "vext%c.8\t%12-15,22R, %16-19,7R, %0-3,5R, #%8-11d"}, {FPU_NEON_EXT_V1, 0xf2b00000, 0xffb00810, "vext%c.8\t%12-15,22R, %16-19,7R, %0-3,5R, #%8-11d"}, - /* Move data element to all lanes */ + /* Move data element to all lanes. */ {FPU_NEON_EXT_V1, 0xf3b40c00, 0xffb70f90, "vdup%c.32\t%12-15,22R, %0-3,5D[%19d]"}, {FPU_NEON_EXT_V1, 0xf3b20c00, 0xffb30f90, "vdup%c.16\t%12-15,22R, %0-3,5D[%18-19d]"}, {FPU_NEON_EXT_V1, 0xf3b10c00, 0xffb10f90, "vdup%c.8\t%12-15,22R, %0-3,5D[%17-19d]"}, - /* Table lookup */ + /* Table lookup. */ {FPU_NEON_EXT_V1, 0xf3b00800, 0xffb00c50, "vtbl%c.8\t%12-15,22D, %F, %0-3,5D"}, {FPU_NEON_EXT_V1, 0xf3b00840, 0xffb00c50, "vtbx%c.8\t%12-15,22D, %F, %0-3,5D"}, @@ -521,7 +520,7 @@ static const struct opcode32 neon_opcodes[] = {FPU_NEON_FP16, 0xf3b60600, 0xffbf0fd0, "vcvt%c.f16.f32\t%12-15,22D, %0-3,5Q"}, {FPU_NEON_FP16, 0xf3b60700, 0xffbf0fd0, "vcvt%c.f32.f16\t%12-15,22Q, %0-3,5D"}, - /* Two registers, miscellaneous */ + /* Two registers, miscellaneous. */ {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"}, @@ -556,7 +555,7 @@ static const struct opcode32 neon_opcodes[] = {FPU_NEON_EXT_V1, 0xf3b00600, 0xffb30f10, "vpadal%c.%7?us%18-19S2\t%12-15,22R, %0-3,5R"}, {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 */ + /* Three registers of the same length. */ {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"}, @@ -611,7 +610,7 @@ static const struct opcode32 neon_opcodes[] = {FPU_NEON_EXT_V1, 0xf2000a00, 0xfe800f10, "vpmax%c.%24?us%20-21S2\t%12-15,22R, %16-19,7R, %0-3,5R"}, {FPU_NEON_EXT_V1, 0xf2000a10, 0xfe800f10, "vpmin%c.%24?us%20-21S2\t%12-15,22R, %16-19,7R, %0-3,5R"}, - /* One register and an immediate value */ + /* One register and an immediate value. */ {FPU_NEON_EXT_V1, 0xf2800e10, 0xfeb80fb0, "vmov%c.i8\t%12-15,22R, %E"}, {FPU_NEON_EXT_V1, 0xf2800e30, 0xfeb80fb0, "vmov%c.i64\t%12-15,22R, %E"}, {FPU_NEON_EXT_V1, 0xf2800f10, 0xfeb80fb0, "vmov%c.f32\t%12-15,22R, %E"}, @@ -626,7 +625,7 @@ static const struct opcode32 neon_opcodes[] = {FPU_NEON_EXT_V1, 0xf2800010, 0xfeb808b0, "vmov%c.i32\t%12-15,22R, %E"}, {FPU_NEON_EXT_V1, 0xf2800030, 0xfeb808b0, "vmvn%c.i32\t%12-15,22R, %E"}, - /* Two registers and a shift amount */ + /* Two registers and a shift amount. */ {FPU_NEON_EXT_V1, 0xf2880810, 0xffb80fd0, "vshrn%c.i16\t%12-15,22D, %0-3,5Q, #%16-18e"}, {FPU_NEON_EXT_V1, 0xf2880850, 0xffb80fd0, "vrshrn%c.i16\t%12-15,22D, %0-3,5Q, #%16-18e"}, {FPU_NEON_EXT_V1, 0xf2880810, 0xfeb80fd0, "vqshrun%c.s16\t%12-15,22D, %0-3,5Q, #%16-18e"}, @@ -686,7 +685,7 @@ static const struct opcode32 neon_opcodes[] = {FPU_NEON_EXT_V1, 0xf2800790, 0xfe800f90, "vqshl%c.%24?us64\t%12-15,22R, %0-3,5R, #%16-21d"}, {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 */ + /* Three registers of different lengths. */ {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"}, @@ -705,7 +704,7 @@ static const struct opcode32 neon_opcodes[] = {FPU_NEON_EXT_V1, 0xf2800a00, 0xfe800f50, "vmlsl%c.%24?us%20-21S2\t%12-15,22Q, %16-19,7D, %0-3,5D"}, {FPU_NEON_EXT_V1, 0xf2800c00, 0xfe800f50, "vmull%c.%24?us%20-21S2\t%12-15,22Q, %16-19,7D, %0-3,5D"}, - /* Two registers and a scalar */ + /* Two registers and a scalar. */ {FPU_NEON_EXT_V1, 0xf2800040, 0xff800f50, "vmla%c.i%20-21S6\t%12-15,22D, %16-19,7D, %D"}, {FPU_NEON_EXT_V1, 0xf2800140, 0xff800f50, "vmla%c.f%20-21Sa\t%12-15,22D, %16-19,7D, %D"}, {FPU_NEON_EXT_V1, 0xf2800340, 0xff800f50, "vqdmlal%c.s%20-21S6\t%12-15,22Q, %16-19,7D, %D"}, @@ -729,7 +728,7 @@ static const struct opcode32 neon_opcodes[] = {FPU_NEON_EXT_V1, 0xf2800640, 0xfe800f50, "vmlsl%c.%24?us%20-21S6\t%12-15,22Q, %16-19,7D, %D"}, {FPU_NEON_EXT_V1, 0xf2800a40, 0xfe800f50, "vmull%c.%24?us%20-21S6\t%12-15,22Q, %16-19,7D, %D"}, - /* Element and structure load/store */ + /* Element and structure load/store. */ {FPU_NEON_EXT_V1, 0xf4a00fc0, 0xffb00fc0, "vld4%c.32\t%C"}, {FPU_NEON_EXT_V1, 0xf4a00c00, 0xffb00f00, "vld1%c.%6-7S2\t%C"}, {FPU_NEON_EXT_V1, 0xf4a00d00, 0xffb00f00, "vld2%c.%6-7S2\t%C"}, @@ -791,7 +790,7 @@ static const struct opcode32 neon_opcodes[] = static const struct opcode32 arm_opcodes[] = { /* ARM instructions. */ - {ARM_EXT_V1, 0xe1a00000, 0xffffffff, "nop\t\t\t(mov r0,r0)"}, + {ARM_EXT_V1, 0xe1a00000, 0xffffffff, "nop\t\t\t; (mov r0, r0)"}, {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"}, @@ -836,7 +835,7 @@ static const struct opcode32 arm_opcodes[] = {ARM_EXT_V6K, 0x0320f004, 0x0fffffff, "sev%c"}, {ARM_EXT_V6K, 0x0320f000, 0x0fffff00, "nop%c\t{%0-7d}"}, - /* ARM V6 instructions. */ + /* ARM V6 instructions. */ {ARM_EXT_V6, 0xf1080000, 0xfffffe3f, "cpsie\t%8'a%7'i%6'f"}, {ARM_EXT_V6, 0xf10a0000, 0xfffffe20, "cpsie\t%8'a%7'i%6'f,#%0-4d"}, {ARM_EXT_V6, 0xf10C0000, 0xfffffe3f, "cpsid\t%8'a%7'i%6'f"}, @@ -1109,7 +1108,7 @@ static const struct opcode16 thumb_opcodes[] = /* This is BLX(2). BLX(1) is a 32-bit instruction. */ {ARM_EXT_V5T, 0x4780, 0xff87, "blx%c\t%3-6r%x"}, /* note: 4 bit register number. */ /* ARM V4T ISA (Thumb v1). */ - {ARM_EXT_V4T, 0x46C0, 0xFFFF, "nop%c\t\t\t(mov r8, r8)"}, + {ARM_EXT_V4T, 0x46C0, 0xFFFF, "nop%c\t\t\t; (mov r8, r8)"}, /* Format 4. */ {ARM_EXT_V4T, 0x4000, 0xFFC0, "and%C\t%0-2r, %3-5r"}, {ARM_EXT_V4T, 0x4040, 0xFFC0, "eor%C\t%0-2r, %3-5r"}, @@ -1160,7 +1159,7 @@ static const struct opcode16 thumb_opcodes[] = {ARM_EXT_V4T, 0x3000, 0xF800, "add%C\t%8-10r, #%0-7d"}, {ARM_EXT_V4T, 0x3800, 0xF800, "sub%C\t%8-10r, #%0-7d"}, /* format 6 */ - {ARM_EXT_V4T, 0x4800, 0xF800, "ldr%c\t%8-10r, [pc, #%0-7W]\t(%0-7a)"}, /* TODO: Disassemble PC relative "LDR rD,=<symbolic>" */ + {ARM_EXT_V4T, 0x4800, 0xF800, "ldr%c\t%8-10r, [pc, #%0-7W]\t; (%0-7a)"}, /* TODO: Disassemble PC relative "LDR rD,=<symbolic>" */ /* format 9 */ {ARM_EXT_V4T, 0x6000, 0xF800, "str%c\t%0-2r, [%3-5r, #%6-10W]"}, {ARM_EXT_V4T, 0x6800, 0xF800, "ldr%c\t%0-2r, [%3-5r, #%6-10W]"}, @@ -1173,7 +1172,7 @@ static const struct opcode16 thumb_opcodes[] = {ARM_EXT_V4T, 0x9000, 0xF800, "str%c\t%8-10r, [sp, #%0-7W]"}, {ARM_EXT_V4T, 0x9800, 0xF800, "ldr%c\t%8-10r, [sp, #%0-7W]"}, /* format 12 */ - {ARM_EXT_V4T, 0xA000, 0xF800, "add%c\t%8-10r, pc, #%0-7W\t(adr %8-10r, %0-7a)"}, + {ARM_EXT_V4T, 0xA000, 0xF800, "add%c\t%8-10r, pc, #%0-7W\t; (adr %8-10r, %0-7a)"}, {ARM_EXT_V4T, 0xA800, 0xF800, "add%c\t%8-10r, sp, #%0-7W"}, /* format 15 */ {ARM_EXT_V4T, 0xC000, 0xF800, "stmia%c\t%8-10r!, %M"}, @@ -1520,7 +1519,8 @@ static bfd_vma ifthen_address; #define IFTHEN_COND ((ifthen_state >> 4) & 0xf) /* Cached mapping symbol state. */ -enum map_type { +enum map_type +{ MAP_ARM, MAP_THUMB, MAP_DATA @@ -1547,7 +1547,9 @@ set_arm_regname_option (int option) } int -get_arm_regnames (int option, const char **setname, const char **setdescription, +get_arm_regnames (int option, + const char **setname, + const char **setdescription, const char *const **register_names) { *setname = regnames[option].name; @@ -1559,11 +1561,13 @@ get_arm_regnames (int option, const char **setname, const char **setdescription, /* Decode a bitfield of the form matching regexp (N(-N)?,)*N(-N)?. Returns pointer to following character of the format string and fills in *VALUEP and *WIDTHP with the extracted value and number of - bits extracted. WIDTHP can be NULL. */ + bits extracted. WIDTHP can be NULL. */ static const char * -arm_decode_bitfield (const char *ptr, unsigned long insn, - unsigned long *valuep, int *widthp) +arm_decode_bitfield (const char *ptr, + unsigned long insn, + unsigned long *valuep, + int *widthp) { unsigned long value = 0; int width = 0; @@ -1635,7 +1639,9 @@ arm_decode_shift (long given, fprintf_ftype func, void *stream, recognised coprocessor instruction. */ static bfd_boolean -print_insn_coprocessor (bfd_vma pc, struct disassemble_info *info, long given, +print_insn_coprocessor (bfd_vma pc, + struct disassemble_info *info, + long given, bfd_boolean thumb) { const struct opcode32 *insn; @@ -1734,9 +1740,8 @@ print_insn_coprocessor (bfd_vma pc, struct disassemble_info *info, long given, if ((given & (1 << 24)) != 0) { if (offset) - func (stream, ", #%s%d]%s", - ((given & 0x00800000) == 0 ? "-" : ""), - offset * 4, + func (stream, ", #%d]%s", + value_in_comment, ((given & 0x00200000) != 0 ? "!" : "")); else func (stream, "]"); @@ -1748,12 +1753,13 @@ print_insn_coprocessor (bfd_vma pc, struct disassemble_info *info, long given, if (given & (1 << 21)) { if (offset) - func (stream, ", #%s%d", - ((given & 0x00800000) == 0 ? "-" : ""), - offset * 4); + func (stream, ", #%d", value_in_comment); } else - func (stream, ", {%d}", offset); + { + func (stream, ", {%d}", offset); + value_in_comment = offset; + } } } break; @@ -1785,6 +1791,8 @@ print_insn_coprocessor (bfd_vma pc, struct disassemble_info *info, long given, if (!add) offset = -offset; func (stream, ", #%d", offset); + if (rn != 15) + value_in_comment = offset; } func (stream, "]"); if (rn == 15) @@ -1960,7 +1968,7 @@ print_insn_coprocessor (bfd_vma pc, struct disassemble_info *info, long given, func (stream, "%c", *c); break; case '?': - func (stream, "%c", c[(1 << width) - (int)value]); + func (stream, "%c", c[(1 << width) - (int) value]); c += 1 << width; break; default: @@ -2491,7 +2499,7 @@ print_insn_neon (struct disassemble_info *info, long given, bfd_boolean thumb) break; case 'E': - /* Neon encoded constant for mov, mvn, vorr, vbic */ + /* Neon encoded constant for mov, mvn, vorr, vbic. */ { int bits = 0; int cmode = (given >> 8) & 0xf; @@ -2508,19 +2516,19 @@ print_insn_neon (struct disassemble_info *info, long given, bfd_boolean thumb) if (cmode < 8) { shift = (cmode >> 1) & 3; - value = (unsigned long)bits << (8 * shift); + value = (unsigned long) bits << (8 * shift); size = 32; } else if (cmode < 12) { shift = (cmode >> 1) & 1; - value = (unsigned long)bits << (8 * shift); + value = (unsigned long) bits << (8 * shift); size = 16; } else if (cmode < 14) { shift = (cmode & 1) + 1; - value = (unsigned long)bits << (8 * shift); + value = (unsigned long) bits << (8 * shift); value |= (1ul << (8 * shift)) - 1; size = 32; } @@ -2528,7 +2536,7 @@ print_insn_neon (struct disassemble_info *info, long given, bfd_boolean thumb) { if (op) { - /* bit replication into bytes */ + /* Bit replication into bytes. */ int ix; unsigned long mask; @@ -2546,20 +2554,20 @@ print_insn_neon (struct disassemble_info *info, long given, bfd_boolean thumb) } else { - /* byte replication */ - value = (unsigned long)bits; + /* Byte replication. */ + value = (unsigned long) bits; size = 8; } } else if (!op) { - /* floating point encoding */ + /* Floating point encoding. */ int tmp; - value = (unsigned long)(bits & 0x7f) << 19; - value |= (unsigned long)(bits & 0x80) << 24; + value = (unsigned long) (bits & 0x7f) << 19; + value |= (unsigned long) (bits & 0x80) << 24; tmp = bits & 0x40 ? 0x3c : 0x40; - value |= (unsigned long)tmp << 24; + value |= (unsigned long) tmp << 24; size = 32; isfloat = 1; } @@ -2703,7 +2711,7 @@ print_insn_neon (struct disassemble_info *info, long given, bfd_boolean thumb) func (stream, "%c", *c); break; case '?': - func (stream, "%c", c[(1 << width) - (int)value]); + func (stream, "%c", c[(1 << width) - (int) value]); c += 1 << width; break; default: @@ -2796,27 +2804,28 @@ print_insn_arm (bfd_vma pc, struct disassemble_info *info, long given) } else { + int offset = ((given & 0xf00) >> 4) | (given & 0xf); + + if ((given & 0x00800000) == 0) + offset = -offset; + func (stream, "[%s", arm_regnames[(given >> 16) & 0xf]); + if ((given & 0x01000000) != 0) { /* Pre-indexed. */ if ((given & 0x00400000) == 0x00400000) { /* Immediate. */ - int offset = ((given & 0xf00) >> 4) | (given & 0xf); - if (offset) - func (stream, ", #%s%d", - (((given & 0x00800000) == 0) - ? "-" : ""), offset); + func (stream, ", #%d", offset); + value_in_comment = offset; } else { /* Register. */ - func (stream, ", %s%s", - (((given & 0x00800000) == 0) - ? "-" : ""), + func (stream, ", %s%s", offset < 0 ? "-" : "", arm_regnames[given & 0xf]); } @@ -2829,21 +2838,17 @@ print_insn_arm (bfd_vma pc, struct disassemble_info *info, long given) if ((given & 0x00400000) == 0x00400000) { /* Immediate. */ - int offset = ((given & 0xf00) >> 4) | (given & 0xf); - if (offset) - func (stream, "], #%s%d", - (((given & 0x00800000) == 0) - ? "-" : ""), offset); + func (stream, "], #%d", offset); else func (stream, "]"); + + value_in_comment = offset; } else { /* Register. */ - func (stream, "], %s%s", - (((given & 0x00800000) == 0) - ? "-" : ""), + func (stream, "], %s%s", offset < 0 ? "-" : "", arm_regnames[given & 0xf]); } } @@ -2890,9 +2895,11 @@ print_insn_arm (bfd_vma pc, struct disassemble_info *info, long given) { int rotate = (given & 0xf00) >> 7; int immed = (given & 0xff); + immed = (((immed << (32 - rotate)) | (immed >> rotate)) & 0xffffffff); - func (stream, "#%d\t; 0x%x", immed, immed); + func (stream, "#%d", immed); + value_in_comment = immed; } else arm_decode_shift (given, func, stream, 1); @@ -2921,9 +2928,8 @@ print_insn_arm (bfd_vma pc, struct disassemble_info *info, long given) if ((given & (1 << 24)) != 0) { if (offset) - func (stream, ", #%s%d]%s", - ((given & 0x00800000) == 0 ? "-" : ""), - offset * 4, + func (stream, ", #%d]%s", + value_in_comment, ((given & 0x00200000) != 0 ? "!" : "")); else func (stream, "]"); @@ -2935,12 +2941,13 @@ print_insn_arm (bfd_vma pc, struct disassemble_info *info, long given) if (given & (1 << 21)) { if (offset) - func (stream, ", #%s%d", - ((given & 0x00800000) == 0 ? "-" : ""), - offset * 4); + func (stream, ", #%d", value_in_comment); } else - func (stream, ", {%d}", offset); + { + func (stream, ", {%d}", offset); + value_in_comment = offset; + } } } break; @@ -2983,12 +2990,12 @@ print_insn_arm (bfd_vma pc, struct disassemble_info *info, long given) case 'U': 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 0xf: func (stream, "sy"); break; + case 0x7: func (stream, "un"); break; + case 0xe: func (stream, "st"); break; + case 0x6: func (stream, "unst"); break; default: - func(stream, "#%d", (int)given & 0xf); + func (stream, "#%d", (int) given & 0xf); break; } break; @@ -3043,7 +3050,7 @@ print_insn_arm (bfd_vma pc, struct disassemble_info *info, long given) func (stream, "%c", *c); break; case '?': - func (stream, "%c", c[(1 << width) - (int)value]); + func (stream, "%c", c[(1 << width) - (int) value]); c += 1 << width; break; default: @@ -3057,6 +3064,7 @@ print_insn_arm (bfd_vma pc, struct disassemble_info *info, long given) imm = (given & 0xf) | ((given & 0xfff00) >> 4); func (stream, "%d", imm); + value_in_comment = imm; } break; @@ -3066,8 +3074,8 @@ print_insn_arm (bfd_vma pc, struct disassemble_info *info, long given) { long msb = (given & 0x001f0000) >> 16; long lsb = (given & 0x00000f80) >> 7; - long width = msb - lsb + 1; + if (width > 0) func (stream, "#%lu, #%lu", lsb, width); else @@ -3082,7 +3090,9 @@ print_insn_arm (bfd_vma pc, struct disassemble_info *info, long given) long hi = (given & 0x000f0000) >> 4; long lo = (given & 0x00000fff); long imm16 = hi | lo; - func (stream, "#%lu\t; 0x%lx", imm16, imm16); + + func (stream, "#%lu", imm16); + value_in_comment = imm16; } break; @@ -3366,6 +3376,7 @@ print_insn_thumb16 (bfd_vma pc, struct disassemble_info *info, long given) } /* Return the name of an V7M special register. */ + static const char * psr_name (int regno) { @@ -3443,16 +3454,19 @@ print_insn_thumb32 (bfd_vma pc, struct disassemble_info *info, long given) case 'I': { unsigned int imm12 = 0; + imm12 |= (given & 0x000000ffu); imm12 |= (given & 0x00007000u) >> 4; imm12 |= (given & 0x04000000u) >> 15; - func (stream, "#%u\t; 0x%x", imm12, imm12); + func (stream, "#%u", imm12); + value_in_comment = imm12; } break; case 'M': { unsigned int bits = 0, imm, imm8, mod; + bits |= (given & 0x000000ffu); bits |= (given & 0x00007000u) >> 4; bits |= (given & 0x04000000u) >> 15; @@ -3469,28 +3483,33 @@ print_insn_thumb32 (bfd_vma pc, struct disassemble_info *info, long given) imm8 = (bits & 0x07f) | 0x80; imm = (((imm8 << (32 - mod)) | (imm8 >> mod)) & 0xffffffff); } - func (stream, "#%u\t; 0x%x", imm, imm); + func (stream, "#%u", imm); + value_in_comment = imm; } break; case 'J': { unsigned int imm = 0; + imm |= (given & 0x000000ffu); imm |= (given & 0x00007000u) >> 4; imm |= (given & 0x04000000u) >> 15; imm |= (given & 0x000f0000u) >> 4; - func (stream, "#%u\t; 0x%x", imm, imm); + func (stream, "#%u", imm); + value_in_comment = imm; } break; case 'K': { unsigned int imm = 0; + imm |= (given & 0x000f0000u) >> 16; imm |= (given & 0x00000ff0u) >> 0; imm |= (given & 0x0000000fu) << 12; - func (stream, "#%u\t; 0x%x", imm, imm); + func (stream, "#%u", imm); + value_in_comment = imm; } break; @@ -3643,7 +3662,10 @@ print_insn_thumb32 (bfd_vma pc, struct disassemble_info *info, long given) value_in_comment = off * 4 * U ? 1 : -1; } else - func (stream, "{%u}", off); + { + func (stream, "{%u}", off); + value_in_comment = off; + } } } break; @@ -3690,6 +3712,7 @@ print_insn_thumb32 (bfd_vma pc, struct disassemble_info *info, long given) { unsigned int msb = (given & 0x0000001f); unsigned int lsb = 0; + lsb |= (given & 0x000000c0u) >> 6; lsb |= (given & 0x00007000u) >> 10; func (stream, "#%u, #%u", lsb, msb - lsb + 1); @@ -3700,6 +3723,7 @@ print_insn_thumb32 (bfd_vma pc, struct disassemble_info *info, long given) { unsigned int width = (given & 0x0000001f) + 1; unsigned int lsb = 0; + lsb |= (given & 0x000000c0u) >> 6; lsb |= (given & 0x00007000u) >> 10; func (stream, "#%u, #%u", lsb, width); @@ -3750,6 +3774,7 @@ print_insn_thumb32 (bfd_vma pc, struct disassemble_info *info, long given) case 's': { unsigned int shift = 0; + shift |= (given & 0x000000c0u) >> 6; shift |= (given & 0x00007000u) >> 10; if (given & 0x00200000u) @@ -3763,6 +3788,7 @@ print_insn_thumb32 (bfd_vma pc, struct disassemble_info *info, long given) case 'R': { unsigned int rot = (given & 0x00000030) >> 4; + if (rot) func (stream, ", ror #%u", rot * 8); } @@ -3771,12 +3797,12 @@ print_insn_thumb32 (bfd_vma pc, struct disassemble_info *info, long given) case 'U': 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 0xf: func (stream, "sy"); break; + case 0x7: func (stream, "un"); break; + case 0xe: func (stream, "st"); break; + case 0x6: func (stream, "unst"); break; default: - func(stream, "#%d", (int)given & 0xf); + func (stream, "#%d", (int) given & 0xf); break; } break; @@ -3844,7 +3870,7 @@ print_insn_thumb32 (bfd_vma pc, struct disassemble_info *info, long given) break; case '?': - func (stream, "%c", c[(1 << width) - (int)val]); + func (stream, "%c", c[(1 << width) - (int) val]); c += 1 << width; break; @@ -3871,7 +3897,8 @@ print_insn_thumb32 (bfd_vma pc, struct disassemble_info *info, long given) /* Print data bytes on INFO->STREAM. */ static void -print_insn_data (bfd_vma pc ATTRIBUTE_UNUSED, struct disassemble_info *info, +print_insn_data (bfd_vma pc ATTRIBUTE_UNUSED, + struct disassemble_info *info, long given) { switch (info->bytes_per_chunk) @@ -3967,8 +3994,10 @@ parse_disassembler_options (char *options) /* Search back through the insn stream to determine if this instruction is conditionally executed. */ + static void -find_ifthen_state (bfd_vma pc, struct disassemble_info *info, +find_ifthen_state (bfd_vma pc, + struct disassemble_info *info, bfd_boolean little) { unsigned char b[2]; @@ -3993,7 +4022,7 @@ find_ifthen_state (bfd_vma pc, struct disassemble_info *info, IT instruction until we find a definite instruction boundary. */ for (;;) { - if (addr == 0 || info->symbol_at_address_func(addr, info)) + if (addr == 0 || info->symbol_at_address_func (addr, info)) { /* A symbol must be on an instruction boundary, and will not be within an IT block. */ @@ -4003,7 +4032,7 @@ find_ifthen_state (bfd_vma pc, struct disassemble_info *info, return; } addr -= 2; - status = info->read_memory_func (addr, (bfd_byte *)b, 2, info); + status = info->read_memory_func (addr, (bfd_byte *) b, 2, info); if (status) return; @@ -4047,7 +4076,8 @@ find_ifthen_state (bfd_vma pc, struct disassemble_info *info, Returns nonzero if *MAP_TYPE was set. */ static int -get_sym_code_type (struct disassemble_info *info, int n, +get_sym_code_type (struct disassemble_info *info, + int n, enum map_type *map_type) { elf_symbol_type *es; @@ -4065,7 +4095,7 @@ get_sym_code_type (struct disassemble_info *info, int n, } /* Check for mapping symbols. */ - name = bfd_asymbol_name(info->symtab[n]); + name = bfd_asymbol_name (info->symtab[n]); if (name[0] == '$' && (name[1] == 'a' || name[1] == 't' || name[1] == 'd') && (name[2] == 0 || name[2] == '.')) { @@ -4315,7 +4345,7 @@ print_insn (bfd_vma pc, struct disassemble_info *info, bfd_boolean little) info->bytes_per_chunk = size; printer = print_insn_data; - status = info->read_memory_func (pc, (bfd_byte *)b, size, info); + status = info->read_memory_func (pc, (bfd_byte *) b, size, info); given = 0; if (little) for (i = size - 1; i >= 0; i--) @@ -4348,7 +4378,7 @@ print_insn (bfd_vma pc, struct disassemble_info *info, bfd_boolean little) info->bytes_per_chunk = 2; size = 2; - status = info->read_memory_func (pc, (bfd_byte *)b, 2, info); + status = info->read_memory_func (pc, (bfd_byte *) b, 2, info); if (little_code) given = (b[0]) | (b[1] << 8); else |