%L print as an iWMMXt N/M width field.
%Z print the Immediate of a WSHUFH instruction.
%l like 'A' except use byte offsets for 'B' & 'H'
- versions. */
+ versions.
+ %i print 5-bit immediate in bits 8,3..0
+ (print "32" when 0)
+ %r print register offset address for wldt/wstr instruction
+*/
/* Common coprocessor opcodes shared between Arm and Thumb-2. */
/* Intel Wireless MMX technology instructions. */
#define FIRST_IWMMXT_INSN 0x0e130130
-#define IWMMXT_INSN_COUNT 47
+#define IWMMXT_INSN_COUNT 73
{ARM_CEXT_IWMMXT, 0x0e130130, 0x0f3f0fff, "tandc%22-23w%c\t%12-15r"},
{ARM_CEXT_XSCALE, 0x0e400010, 0x0ff00f3f, "tbcst%6-7w%c\t%16-19g, %12-15r"},
{ARM_CEXT_XSCALE, 0x0e130170, 0x0f3f0ff8, "textrc%22-23w%c\t%12-15r, #%0-2d"},
{ARM_CEXT_XSCALE, 0x0e100110, 0x0ff00ff0, "tmrc%c\t%12-15r, %16-19G"},
{ARM_CEXT_XSCALE, 0x0c500000, 0x0ff00ff0, "tmrrc%c\t%12-15r, %16-19r, %0-3g"},
{ARM_CEXT_XSCALE, 0x0e130150, 0x0f3f0fff, "torc%22-23w%c\t%12-15r"},
+ {ARM_CEXT_XSCALE, 0x0e130190, 0x0f3f0fff, "torvsc%22-23w%c\t%12-15r"},
+ {ARM_CEXT_XSCALE, 0x0e2001c0, 0x0f300fff, "wabs%22-23w%c\t%12-15g, %16-19g"},
{ARM_CEXT_XSCALE, 0x0e0001c0, 0x0f300fff, "wacc%22-23w%c\t%12-15g, %16-19g"},
{ARM_CEXT_XSCALE, 0x0e000180, 0x0f000ff0, "wadd%20-23w%c\t%12-15g, %16-19g, %0-3g"},
+ {ARM_CEXT_XSCALE, 0x0e2001a0, 0x0f300ff0, "waddbhus%22?ml%c\t%12-15g, %16-19g, %0-3g"},
+ {ARM_CEXT_XSCALE, 0x0ea001a0, 0x0ff00ff0, "waddsubhx%c\t%12-15g, %16-19g, %0-3g"},
{ARM_CEXT_XSCALE, 0x0e000020, 0x0f800ff0, "waligni%c\t%12-15g, %16-19g, %0-3g, #%20-22d"},
{ARM_CEXT_XSCALE, 0x0e800020, 0x0fc00ff0, "walignr%20-21d%c\t%12-15g, %16-19g, %0-3g"},
{ARM_CEXT_XSCALE, 0x0e200000, 0x0fe00ff0, "wand%20'n%c\t%12-15g, %16-19g, %0-3g"},
{ARM_CEXT_XSCALE, 0x0e800000, 0x0fa00ff0, "wavg2%22?hb%20'r%c\t%12-15g, %16-19g, %0-3g"},
+ {ARM_CEXT_XSCALE, 0x0e400000, 0x0fe00ff0, "wavg4%20'r%c\t%12-15g, %16-19g, %0-3g"},
{ARM_CEXT_XSCALE, 0x0e000060, 0x0f300ff0, "wcmpeq%22-23w%c\t%12-15g, %16-19g, %0-3g"},
{ARM_CEXT_XSCALE, 0x0e100060, 0x0f100ff0, "wcmpgt%21?su%22-23w%c\t%12-15g, %16-19g, %0-3g"},
+ {ARM_CEXT_XSCALE, 0xfc500100, 0xfe500f00, "wldrd\t%12-15g, %r"},
{ARM_CEXT_XSCALE, 0xfc100100, 0xfe500f00, "wldrw\t%12-15G, %A"},
{ARM_CEXT_XSCALE, 0x0c100000, 0x0e100e00, "wldr%L%c\t%12-15g, %l"},
{ARM_CEXT_XSCALE, 0x0e400100, 0x0fc00ff0, "wmac%21?su%20'z%c\t%12-15g, %16-19g, %0-3g"},
- {ARM_CEXT_XSCALE, 0x0e800100, 0x0fd00ff0, "wmadd%21?su%c\t%12-15g, %16-19g, %0-3g"},
+ {ARM_CEXT_XSCALE, 0x0e800100, 0x0fc00ff0, "wmadd%21?su%20'x%c\t%12-15g, %16-19g, %0-3g"},
+ {ARM_CEXT_XSCALE, 0x0ec00100, 0x0fd00ff0, "wmadd%21?sun%c\t%12-15g, %16-19g, %0-3g"},
{ARM_CEXT_XSCALE, 0x0e000160, 0x0f100ff0, "wmax%21?su%22-23w%c\t%12-15g, %16-19g, %0-3g"},
+ {ARM_CEXT_XSCALE, 0x0e000080, 0x0f100fe0, "wmerge%c\t%12-15g, %16-19g, %0-3g, #%21-23d"},
+ {ARM_CEXT_XSCALE, 0x0e0000a0, 0x0f800ff0, "wmia%21?tb%20?tb%22'n%c\t%12-15g, %16-19g, %0-3g"},
+ {ARM_CEXT_XSCALE, 0x0e800120, 0x0f800ff0, "wmiaw%21?tb%20?tb%22'n%c\t%12-15g, %16-19g, %0-3g"},
{ARM_CEXT_XSCALE, 0x0e100160, 0x0f100ff0, "wmin%21?su%22-23w%c\t%12-15g, %16-19g, %0-3g"},
- {ARM_CEXT_XSCALE, 0x0e000100, 0x0fc00ff0, "wmul%21?su%20?ml%c\t%12-15g, %16-19g, %0-3g"},
+ {ARM_CEXT_XSCALE, 0x0e000100, 0x0fc00ff0, "wmul%21?su%20?ml%23'r%c\t%12-15g, %16-19g, %0-3g"},
+ {ARM_CEXT_XSCALE, 0x0ed00100, 0x0fd00ff0, "wmul%21?sumr%c\t%12-15g, %16-19g, %0-3g"},
+ {ARM_CEXT_XSCALE, 0x0ee000c0, 0x0fe00ff0, "wmulwsm%20`r%c\t%12-15g, %16-19g, %0-3g"},
+ {ARM_CEXT_XSCALE, 0x0ec000c0, 0x0fe00ff0, "wmulwum%20`r%c\t%12-15g, %16-19g, %0-3g"},
+ {ARM_CEXT_XSCALE, 0x0eb000c0, 0x0ff00ff0, "wmulwl%c\t%12-15g, %16-19g, %0-3g"},
+ {ARM_CEXT_XSCALE, 0x0e8000a0, 0x0f800ff0, "wqmia%21?tb%20?tb%22'n%c\t%12-15g, %16-19g, %0-3g"},
+ {ARM_CEXT_XSCALE, 0x0e100080, 0x0fd00ff0, "wqmulm%21'r%c\t%12-15g, %16-19g, %0-3g"},
+ {ARM_CEXT_XSCALE, 0x0ec000e0, 0x0fd00ff0, "wqmulwm%21'r%c\t%12-15g, %16-19g, %0-3g"},
{ARM_CEXT_XSCALE, 0x0e000000, 0x0ff00ff0, "wor%c\t%12-15g, %16-19g, %0-3g"},
{ARM_CEXT_XSCALE, 0x0e000080, 0x0f000ff0, "wpack%20-23w%c\t%12-15g, %16-19g, %0-3g"},
- {ARM_CEXT_XSCALE, 0x0e300040, 0x0f300ff0, "wror%22-23w%8'g%c\t%12-15g, %16-19g, %0-3g"},
- {ARM_CEXT_XSCALE, 0x0e300148, 0x0f300ffc, "wror%22-23w%8'g%c\t%12-15g, %16-19g, %0-3G"},
+ {ARM_CEXT_XSCALE, 0xfe300040, 0xff300ef0, "wror%22-23w\t%12-15g, %16-19g, #%i"},
+ {ARM_CEXT_XSCALE, 0x0e300040, 0x0f300ff0, "wror%22-23w%c\t%12-15g, %16-19g, %0-3g"},
+ {ARM_CEXT_XSCALE, 0x0e300140, 0x0f300ff0, "wror%22-23wg%c\t%12-15g, %16-19g, %0-3G"},
{ARM_CEXT_XSCALE, 0x0e000120, 0x0fa00ff0, "wsad%22?hb%20'z%c\t%12-15g, %16-19g, %0-3g"},
{ARM_CEXT_XSCALE, 0x0e0001e0, 0x0f000ff0, "wshufh%c\t%12-15g, %16-19g, #%Z"},
+ {ARM_CEXT_XSCALE, 0xfe100040, 0xff300ef0, "wsll%22-23w\t%12-15g, %16-19g, #%i"},
{ARM_CEXT_XSCALE, 0x0e100040, 0x0f300ff0, "wsll%22-23w%8'g%c\t%12-15g, %16-19g, %0-3g"},
{ARM_CEXT_XSCALE, 0x0e100148, 0x0f300ffc, "wsll%22-23w%8'g%c\t%12-15g, %16-19g, %0-3G"},
+ {ARM_CEXT_XSCALE, 0xfe000040, 0xff300ef0, "wsra%22-23w\t%12-15g, %16-19g, #%i"},
{ARM_CEXT_XSCALE, 0x0e000040, 0x0f300ff0, "wsra%22-23w%8'g%c\t%12-15g, %16-19g, %0-3g"},
{ARM_CEXT_XSCALE, 0x0e000148, 0x0f300ffc, "wsra%22-23w%8'g%c\t%12-15g, %16-19g, %0-3G"},
+ {ARM_CEXT_XSCALE, 0xfe200040, 0xff300ef0, "wsrl%22-23w\t%12-15g, %16-19g, #%i"},
{ARM_CEXT_XSCALE, 0x0e200040, 0x0f300ff0, "wsrl%22-23w%8'g%c\t%12-15g, %16-19g, %0-3g"},
{ARM_CEXT_XSCALE, 0x0e200148, 0x0f300ffc, "wsrl%22-23w%8'g%c\t%12-15g, %16-19g, %0-3G"},
+ {ARM_CEXT_XSCALE, 0xfc400100, 0xfe500f00, "wstrd\t%12-15g, %r"},
{ARM_CEXT_XSCALE, 0xfc000100, 0xfe500f00, "wstrw\t%12-15G, %A"},
{ARM_CEXT_XSCALE, 0x0c000000, 0x0e100e00, "wstr%L%c\t%12-15g, %l"},
{ARM_CEXT_XSCALE, 0x0e0001a0, 0x0f000ff0, "wsub%20-23w%c\t%12-15g, %16-19g, %0-3g"},
- {ARM_CEXT_XSCALE, 0x0e0000c0, 0x0f100fff, "wunpckeh%21?su%22-23w%c\t%12-15g, %16-19g"},
+ {ARM_CEXT_XSCALE, 0x0ed001c0, 0x0ff00ff0, "wsubaddhx%c\t%12-15g, %16-19g, %0-3g"},
+ {ARM_CEXT_XSCALE, 0x0e1001c0, 0x0f300ff0, "wabsdiff%22-23w%c\t%12-15g, %16-19g, %0-3g"},
+ {ARM_CEXT_XSCALE, 0x0e0000c0, 0x0fd00fff, "wunpckeh%21?sub%c\t%12-15g, %16-19g"},
+ {ARM_CEXT_XSCALE, 0x0e4000c0, 0x0fd00fff, "wunpckeh%21?suh%c\t%12-15g, %16-19g"},
+ {ARM_CEXT_XSCALE, 0x0e8000c0, 0x0fd00fff, "wunpckeh%21?suw%c\t%12-15g, %16-19g"},
{ARM_CEXT_XSCALE, 0x0e0000e0, 0x0f100fff, "wunpckel%21?su%22-23w%c\t%12-15g, %16-19g"},
{ARM_CEXT_XSCALE, 0x0e1000c0, 0x0f300ff0, "wunpckih%22-23w%c\t%12-15g, %16-19g, %0-3g"},
{ARM_CEXT_XSCALE, 0x0e1000e0, 0x0f300ff0, "wunpckil%22-23w%c\t%12-15g, %16-19g, %0-3g"},
{FPU_VFP_EXT_V3, 0x0ebe0a40, 0x0fbe0f50, "fto%16?us%7?lhs%c\t%y1, #%5,0-3k"},
{FPU_VFP_EXT_V3, 0x0ebe0b40, 0x0fbe0f50, "fto%16?us%7?lhd%c\t%z1, #%5,0-3k"},
{FPU_VFP_EXT_V1, 0x0c500b10, 0x0fb00ff0, "fmrrd%c\t%12-15r, %16-19r, %z0"},
- {FPU_VFP_EXT_V3, 0x0eb00a00, 0x0fb00ff0, "fconsts%c\t%y1, #%16-19,0-3d"},
- {FPU_VFP_EXT_V3, 0x0eb00b00, 0x0fb00ff0, "fconstd%c\t%z1, #%16-19,0-3d"},
- {FPU_VFP_EXT_V2, 0x0c400a10, 0x0ff00fd0, "fmsrr%c\t%12-15r, %16-19r, %y4"},
+ {FPU_VFP_EXT_V3, 0x0eb00a00, 0x0fb00ff0, "fconsts%c\t%y1, #%0-3,16-19d"},
+ {FPU_VFP_EXT_V3, 0x0eb00b00, 0x0fb00ff0, "fconstd%c\t%z1, #%0-3,16-19d"},
+ {FPU_VFP_EXT_V2, 0x0c400a10, 0x0ff00fd0, "fmsrr%c\t%y4, %12-15r, %16-19r"},
{FPU_VFP_EXT_V2, 0x0c400b10, 0x0ff00fd0, "fmdrr%c\t%z0, %12-15r, %16-19r"},
{FPU_VFP_EXT_V2, 0x0c500a10, 0x0ff00fd0, "fmrrs%c\t%12-15r, %16-19r, %y4"},
{FPU_VFP_EXT_V1xD, 0x0e000a00, 0x0fb00f50, "fmacs%c\t%y1, %y2, %y0"},
{FPU_NEON_EXT_V1, 0xf3b00500, 0xffbf0f90, "vcnt%c.8\t%12-15,22R, %0-3,5R"},
{FPU_NEON_EXT_V1, 0xf3b00580, 0xffbf0f90, "vmvn%c\t%12-15,22R, %0-3,5R"},
{FPU_NEON_EXT_V1, 0xf3b20000, 0xffbf0f90, "vswp%c\t%12-15,22R, %0-3,5R"},
- {FPU_NEON_EXT_V1, 0xf3b20200, 0xffb30fd0, "vmovn%c.i%18-19S2\t%12-15,22D, %0-3,5Q"},
+ {FPU_NEON_EXT_V1, 0xf3b20200, 0xffb30fd0, "vmovn%c.i%18-19T2\t%12-15,22D, %0-3,5Q"},
{FPU_NEON_EXT_V1, 0xf3b20240, 0xffb30fd0, "vqmovun%c.s%18-19T2\t%12-15,22D, %0-3,5Q"},
{FPU_NEON_EXT_V1, 0xf3b20280, 0xffb30fd0, "vqmovn%c.s%18-19T2\t%12-15,22D, %0-3,5Q"},
{FPU_NEON_EXT_V1, 0xf3b202c0, 0xffb30fd0, "vqmovn%c.u%18-19T2\t%12-15,22D, %0-3,5Q"},
{FPU_NEON_EXT_V1, 0xf2000210, 0xfe800f10, "vqsub%c.%24?us%20-21S3\t%12-15,22R, %16-19,7R, %0-3,5R"},
{FPU_NEON_EXT_V1, 0xf2000300, 0xfe800f10, "vcgt%c.%24?us%20-21S2\t%12-15,22R, %16-19,7R, %0-3,5R"},
{FPU_NEON_EXT_V1, 0xf2000310, 0xfe800f10, "vcge%c.%24?us%20-21S2\t%12-15,22R, %16-19,7R, %0-3,5R"},
- {FPU_NEON_EXT_V1, 0xf2000400, 0xfe800f10, "vshl%c.%24?us%20-21S3\t%12-15,22R, %16-19,7R, %0-3,5R"},
- {FPU_NEON_EXT_V1, 0xf2000410, 0xfe800f10, "vqshl%c.%24?us%20-21S3\t%12-15,22R, %16-19,7R, %0-3,5R"},
- {FPU_NEON_EXT_V1, 0xf2000500, 0xfe800f10, "vrshl%c.%24?us%20-21S3\t%12-15,22R, %16-19,7R, %0-3,5R"},
- {FPU_NEON_EXT_V1, 0xf2000510, 0xfe800f10, "vqrshl%c.%24?us%20-21S3\t%12-15,22R, %16-19,7R, %0-3,5R"},
+ {FPU_NEON_EXT_V1, 0xf2000400, 0xfe800f10, "vshl%c.%24?us%20-21S3\t%12-15,22R, %0-3,5R, %16-19,7R"},
+ {FPU_NEON_EXT_V1, 0xf2000410, 0xfe800f10, "vqshl%c.%24?us%20-21S3\t%12-15,22R, %0-3,5R, %16-19,7R"},
+ {FPU_NEON_EXT_V1, 0xf2000500, 0xfe800f10, "vrshl%c.%24?us%20-21S3\t%12-15,22R, %0-3,5R, %16-19,7R"},
+ {FPU_NEON_EXT_V1, 0xf2000510, 0xfe800f10, "vqrshl%c.%24?us%20-21S3\t%12-15,22R, %0-3,5R, %16-19,7R"},
{FPU_NEON_EXT_V1, 0xf2000600, 0xfe800f10, "vmax%c.%24?us%20-21S2\t%12-15,22R, %16-19,7R, %0-3,5R"},
{FPU_NEON_EXT_V1, 0xf2000610, 0xfe800f10, "vmin%c.%24?us%20-21S2\t%12-15,22R, %16-19,7R, %0-3,5R"},
{FPU_NEON_EXT_V1, 0xf2000700, 0xfe800f10, "vabd%c.%24?us%20-21S2\t%12-15,22R, %16-19,7R, %0-3,5R"},
{ARM_EXT_V6T2, 0x00300090, 0x0f300090, "ldr%c%6's%5?hbt\t%12-15r, %s"},
{ARM_EXT_V6T2, 0x03000000, 0x0ff00000, "movw%c\t%12-15r, %V"},
{ARM_EXT_V6T2, 0x03400000, 0x0ff00000, "movt%c\t%12-15r, %V"},
- {ARM_EXT_V6T2, 0x03ff0f30, 0x0fff0ff0, "rbit%c\t%12-15r, %0-3r"},
+ {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_V6K, 0x0320f000, 0x0fffff00, "nop%c\t{%0-7d}"},
/* ARM V6 instructions. */
- {ARM_EXT_V6, 0xf1080000, 0xfffdfe3f, "cpsie\t%8'a%7'i%6'f"},
- {ARM_EXT_V6, 0xf1080000, 0xfffdfe20, "cpsie\t%8'a%7'i%6'f,#%0-4d"},
- {ARM_EXT_V6, 0xf10C0000, 0xfffdfe3f, "cpsid\t%8'a%7'i%6'f"},
- {ARM_EXT_V6, 0xf10C0000, 0xfffdfe20, "cpsid\t%8'a%7'i%6'f,#%0-4d"},
+ {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"},
+ {ARM_EXT_V6, 0xf10e0000, 0xfffffe20, "cpsid\t%8'a%7'i%6'f,#%0-4d"},
{ARM_EXT_V6, 0xf1000000, 0xfff1fe20, "cps\t#%0-4d"},
{ARM_EXT_V6, 0x06800010, 0x0ff00ff0, "pkhbt%c\t%12-15r, %16-19r, %0-3r"},
{ARM_EXT_V6, 0x06800010, 0x0ff00070, "pkhbt%c\t%12-15r, %16-19r, %0-3r, LSL #%7-11d"},
{"b", "h", "w", "d"};
static const char *const iwmmxt_wwssnames[] =
-{"b", "bus", "b", "bss",
- "h", "hus", "h", "hss",
- "w", "wus", "w", "wss",
- "d", "dus", "d", "dss"
+{"b", "bus", "bc", "bss",
+ "h", "hus", "hc", "hss",
+ "w", "wus", "wc", "wss",
+ "d", "dus", "dc", "dss"
};
static const char *const iwmmxt_regnames[] =
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;
+
\f
/* Functions. */
int
{
if (insn->value == FIRST_IWMMXT_INSN
&& info->mach != bfd_mach_arm_XScale
- && info->mach != bfd_mach_arm_iWMMXt)
+ && info->mach != bfd_mach_arm_iWMMXt
+ && info->mach != bfd_mach_arm_iWMMXt2)
insn = insn + IWMMXT_INSN_COUNT;
mask = insn->mask;
}
break;
+ case 'r':
+ {
+ int imm4 = (given >> 4) & 0xf;
+ int puw_bits = ((given >> 22) & 6) | ((given >> 21) & 1);
+ int ubit = (given >> 23) & 1;
+ const char *rm = arm_regnames [given & 0xf];
+ const char *rn = arm_regnames [(given >> 16) & 0xf];
+
+ switch (puw_bits)
+ {
+ case 1:
+ /* fall through */
+ case 3:
+ func (stream, "[%s], %c%s", rn, ubit ? '+' : '-', rm);
+ if (imm4)
+ func (stream, ", lsl #%d", imm4);
+ break;
+
+ case 4:
+ /* fall through */
+ case 5:
+ /* fall through */
+ case 6:
+ /* fall through */
+ case 7:
+ func (stream, "[%s, %c%s", rn, ubit ? '+' : '-', rm);
+ if (imm4 > 0)
+ func (stream, ", lsl #%d", imm4);
+ func (stream, "]");
+ if (puw_bits == 5 || puw_bits == 7)
+ func (stream, "!");
+ break;
+
+ default:
+ func (stream, "INVALID");
+ }
+ }
+ break;
+
+ case 'i':
+ {
+ long imm5;
+ imm5 = ((given & 0x100) >> 4) | (given & 0xf);
+ func (stream, "%ld", (imm5 == 0) ? 32 : imm5);
+ }
+ break;
+
default:
abort ();
}
value);
}
else
- func (stream, "#%ld\t; 0x%.8lx", value, value);
+ func (stream, "#%ld\t; 0x%.8lx",
+ (long) ((value & 0x80000000)
+ ? value | ~0xffffffffl : value), value);
break;
case 64:
abort ();
}
+/* Print data bytes on INFO->STREAM. */
+
+static void
+print_insn_data (bfd_vma pc ATTRIBUTE_UNUSED, struct disassemble_info *info,
+ long given)
+{
+ switch (info->bytes_per_chunk)
+ {
+ case 1:
+ info->fprintf_func (info->stream, ".byte\t0x%02lx", given);
+ break;
+ case 2:
+ info->fprintf_func (info->stream, ".short\t0x%04lx", given);
+ break;
+ case 4:
+ info->fprintf_func (info->stream, ".word\t0x%08lx", given);
+ break;
+ default:
+ abort ();
+ }
+}
+
/* Disallow mapping symbols ($a, $b, $d, $t etc) from
being displayed in symbol relative addresses. */
if (option == NULL)
return;
- if (strneq (option, "reg-names-", 10))
+ if (CONST_STRNEQ (option, "reg-names-"))
{
int i;
/* XXX - should break 'option' at following delimiter. */
fprintf (stderr, _("Unrecognised register name set: %s\n"), option);
}
- else if (strneq (option, "force-thumb", 11))
+ else if (CONST_STRNEQ (option, "force-thumb"))
force_thumb = 1;
- else if (strneq (option, "no-force-thumb", 14))
+ else if (CONST_STRNEQ (option, "no-force-thumb"))
force_thumb = 0;
else
/* XXX - should break 'option' at following delimiter. */
ifthen_state = 0;
}
+/* Try to infer the code type (Arm or Thumb) from a symbol.
+ Returns nonzero if *MAP_TYPE was set. */
+
+static int
+get_sym_code_type (struct disassemble_info *info, int n,
+ enum map_type *map_type)
+{
+ elf_symbol_type *es;
+ unsigned int type;
+ const char *name;
+
+ es = *(elf_symbol_type **)(info->symtab + n);
+ type = ELF_ST_TYPE (es->internal_elf_sym.st_info);
+
+ /* If the symbol has function type then use that. */
+ if (type == STT_FUNC || type == STT_ARM_TFUNC)
+ {
+ *map_type = (type == STT_ARM_TFUNC) ? MAP_THUMB : MAP_ARM;
+ return TRUE;
+ }
+
+ /* Check for mapping symbols. */
+ name = bfd_asymbol_name(info->symtab[n]);
+ if (name[0] == '$' && (name[1] == 'a' || name[1] == 't' || name[1] == 'd')
+ && (name[2] == 0 || name[2] == '.'))
+ {
+ *map_type = ((name[1] == 'a') ? MAP_ARM
+ : (name[1] == 't') ? MAP_THUMB
+ : MAP_DATA);
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
/* NOTE: There are no checks in these routines that
the relevant number of data bytes exist. */
unsigned char b[4];
long given;
int status;
- int is_thumb;
- int size;
+ int is_thumb = FALSE;
+ int is_data = FALSE;
+ unsigned int size = 4;
void (*printer) (bfd_vma, struct disassemble_info *, long);
+ bfd_boolean found = FALSE;
if (info->disassembler_options)
{
info->disassembler_options = NULL;
}
- is_thumb = force_thumb;
+ /* First check the full symtab for a mapping symbol, even if there
+ are no usable non-mapping symbols for this address. */
+ if (info->symtab != NULL
+ && bfd_asymbol_flavour (*info->symtab) == bfd_target_elf_flavour)
+ {
+ bfd_vma addr;
+ int n;
+ int last_sym = -1;
+ enum map_type type;
+
+ if (pc <= last_mapping_addr)
+ last_mapping_sym = -1;
+ is_thumb = (last_type == MAP_THUMB);
+ found = FALSE;
+ /* Start scanning at the start of the function, or wherever
+ we finished last time. */
+ n = info->symtab_pos + 1;
+ if (n < last_mapping_sym)
+ n = last_mapping_sym;
+
+ /* Scan up to the location being disassembled. */
+ for (; n < info->symtab_size; n++)
+ {
+ addr = bfd_asymbol_value (info->symtab[n]);
+ if (addr > pc)
+ break;
+ if (get_sym_code_type (info, n, &type))
+ {
+ last_sym = n;
+ found = TRUE;
+ }
+ }
+
+ if (!found)
+ {
+ n = info->symtab_pos;
+ if (n < last_mapping_sym - 1)
+ n = last_mapping_sym - 1;
+
+ /* No mapping symbol found at this address. Look backwards
+ for a preceeding one. */
+ for (; n >= 0; n--)
+ {
+ if (get_sym_code_type (info, n, &type))
+ {
+ last_sym = n;
+ found = TRUE;
+ break;
+ }
+ }
+ }
+
+ last_mapping_sym = last_sym;
+ last_type = type;
+ is_thumb = (last_type == MAP_THUMB);
+ is_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,
+ mapping or otherwise, after two bytes then don't
+ print more. */
+ if (is_data)
+ {
+ size = 4 - (pc & 3);
+ for (n = last_sym + 1; n < info->symtab_size; n++)
+ {
+ addr = bfd_asymbol_value (info->symtab[n]);
+ if (addr > pc)
+ {
+ if (addr - pc < size)
+ size = addr - pc;
+ break;
+ }
+ }
+ /* If the next symbol is after three bytes, we need to
+ print only part of the data, so that we can use either
+ .byte or .short. */
+ if (size == 3)
+ size = (pc & 1) ? 1 : 2;
+ }
+ }
- if (!is_thumb && info->symbols != NULL)
+ if (info->symbols != NULL)
{
if (bfd_asymbol_flavour (*info->symbols) == bfd_target_coff_flavour)
{
|| cs->native->u.syment.n_sclass == C_THUMBEXTFUNC
|| cs->native->u.syment.n_sclass == C_THUMBSTATFUNC);
}
- else if (bfd_asymbol_flavour (*info->symbols) == bfd_target_elf_flavour)
+ else if (bfd_asymbol_flavour (*info->symbols) == bfd_target_elf_flavour
+ && !found)
{
+ /* If no mapping symbol has been found then fall back to the type
+ of the function symbol. */
elf_symbol_type * es;
unsigned int type;
}
}
- info->display_endian = little ? BFD_ENDIAN_LITTLE : BFD_ENDIAN_BIG;
+ if (force_thumb)
+ is_thumb = TRUE;
+
+ info->display_endian = little ? BFD_ENDIAN_LITTLE : BFD_ENDIAN_BIG;
info->bytes_per_line = 4;
- if (!is_thumb)
+ if (is_data)
+ {
+ int i;
+
+ /* size was already set above. */
+ info->bytes_per_chunk = size;
+ printer = print_insn_data;
+
+ status = info->read_memory_func (pc, (bfd_byte *)b, size, info);
+ given = 0;
+ if (little)
+ for (i = size - 1; i >= 0; i--)
+ given = b[i] | (given << 8);
+ else
+ for (i = 0; i < (int) size; i++)
+ given = b[i] | (given << 8);
+ }
+ else if (!is_thumb)
{
/* In ARM mode endianness is a straightforward issue: the instruction
is four bytes long and is either ordered 0123 or 3210. */
projects / deliverable / binutils-gdb.git / blobdiff