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-rw-r--r--opcodes/ChangeLog10
-rw-r--r--opcodes/arm-dis.c236
2 files changed, 143 insertions, 103 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 2ba42d6ac26..d3febd0f39a 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,13 @@
+2009-06-30 Nick Clifton <nickc@redhat.com>
+
+ PR 10288
+ * arm-dis.c (coprocessor): Print the LDC and STC versions of the
+ LFM and SFM instructions as comments,.
+ Improve consistency of formatting for instructions displayed as
+ comments and decimal values displayed with their hexadecimal
+ equivalents.
+ Formatting tidy ups.
+
2009-06-29 Nick Clifton <nickc@redhat.com>
PR 10288
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