/* Instruction printing code for the ARM
- Copyright (C) 1994-2016 Free Software Foundation, Inc.
+ Copyright (C) 1994-2017 Free Software Foundation, Inc.
Contributed by Richard Earnshaw (rwe@pegasus.esprit.ec.org)
Modification by James G. Smith (jsmith@cygnus.co.uk)
#include "sysdep.h"
-#include "dis-asm.h"
+#include "disassemble.h"
#include "opcode/arm.h"
#include "opintl.h"
#include "safe-ctype.h"
+#include "libiberty.h"
#include "floatformat.h"
/* FIXME: This shouldn't be done here. */
#define strneq(a,b,n) (strncmp ((a), (b), (n)) == 0)
#endif
-#ifndef NUM_ELEM
-#define NUM_ELEM(a) (sizeof (a) / sizeof (a)[0])
-#endif
-
/* Cached mapping symbol state. */
enum map_type
{
%<bitfield>G print as an iWMMXt general purpose or control register
%<bitfield>D print as a NEON D register
%<bitfield>Q print as a NEON Q register
+ %<bitfield>V print as a NEON D or Q register
%<bitfield>E print a quarter-float immediate value
%y<code> print a single precision VFP reg.
{ARM_FEATURE_COPROC (FPU_FPA_EXT_V2),
0x0c100200, 0x0e100f00, "lfm%c\t%12-14f, %F, %A"},
+ /* ARMv8-M Mainline Security Extensions instructions. */
+ {ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8M_MAIN),
+ 0xec300a00, 0xfff0ffff, "vlldm\t%16-19r"},
+ {ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8M_MAIN),
+ 0xec200a00, 0xfff0ffff, "vlstm\t%16-19r"},
+
/* Register load/store. */
{ARM_FEATURE_COPROC (FPU_VFP_EXT_V1xD | FPU_NEON_EXT_V1),
0x0d2d0b00, 0x0fbf0f01, "vpush%c\t%B"},
0xfc400000, 0xfff00000,
"mcrr2%c\t%8-11d, %4-7d, %12-15R, %16-19R, cr%0-3d"},
+ /* ARMv8.3 AdvSIMD instructions in the space of coprocessor 8. */
+ {ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8_3A),
+ 0xfc800800, 0xfeb00f10, "vcadd%c.f16\t%12-15,22V, %16-19,7V, %0-3,5V, #%24?29%24'70"},
+ {ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8_3A),
+ 0xfc900800, 0xfeb00f10, "vcadd%c.f32\t%12-15,22V, %16-19,7V, %0-3,5V, #%24?29%24'70"},
+ {ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8_3A),
+ 0xfc200800, 0xff300f10, "vcmla%c.f16\t%12-15,22V, %16-19,7V, %0-3,5V, #%23'90"},
+ {ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8_3A),
+ 0xfd200800, 0xff300f10, "vcmla%c.f16\t%12-15,22V, %16-19,7V, %0-3,5V, #%23?21%23?780"},
+ {ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8_3A),
+ 0xfc300800, 0xff300f10, "vcmla%c.f32\t%12-15,22V, %16-19,7V, %0-3,5V, #%23'90"},
+ {ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8_3A),
+ 0xfd300800, 0xff300f10, "vcmla%c.f32\t%12-15,22V, %16-19,7V, %0-3,5V, #%23?21%23?780"},
+ {ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8_3A),
+ 0xfe000800, 0xffa00f10, "vcmla%c.f16\t%12-15,22V, %16-19,7V, %0-3D[%5?10], #%20'90"},
+ {ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8_3A),
+ 0xfe200800, 0xffa00f10, "vcmla%c.f16\t%12-15,22V, %16-19,7V, %0-3D[%5?10], #%20?21%20?780"},
+ {ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8_3A),
+ 0xfe800800, 0xffa00f10, "vcmla%c.f32\t%12-15,22V, %16-19,7V, %0-3,5D[0], #%20'90"},
+ {ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8_3A),
+ 0xfea00800, 0xffa00f10, "vcmla%c.f32\t%12-15,22V, %16-19,7V, %0-3,5D[0], #%20?21%20?780"},
+
/* V5 coprocessor instructions. */
{ARM_FEATURE_CORE_LOW (ARM_EXT_V5),
0xfc100000, 0xfe100000, "ldc2%22'l%c\t%8-11d, cr%12-15d, %A"},
{ARM_FEATURE_CORE_HIGH (ARM_EXT2_FP16_INST),
0x0e300940, 0x0fb00f50, "vsub%c.f16\t%y1, %y2, %y0"},
+ /* ARMv8.3 javascript conversion instruction. */
+ {ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8_3A),
+ 0x0eb90bc0, 0x0fbf0fd0, "vjcvt%c.s32.f64\t%y1, %z0"},
+
{ARM_FEATURE_CORE_LOW (0), 0, 0, 0}
};
"%22?sumlal%20's%c\t%12-15Ru, %16-19Ru, %0-3R, %8-11R"},
/* V8.2 RAS extension instructions. */
- {ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8_2A),
+ {ARM_FEATURE_CORE_HIGH (ARM_EXT2_RAS),
0xe320f010, 0xffffffff, "esb"},
/* V8 instructions. */
0x01300000, 0x0ff00010, "teq%p%c\t%16-19r, %o"},
{ARM_FEATURE_CORE_LOW (ARM_EXT_V1),
0x01300010, 0x0ff00010, "teq%p%c\t%16-19R, %o"},
- {ARM_FEATURE_CORE_LOW (ARM_EXT_V5),
- 0x0130f000, 0x0ff0f010, "bx%c\t%0-3r"},
{ARM_FEATURE_CORE_LOW (ARM_EXT_V1),
0x03400000, 0x0fe00000, "cmp%p%c\t%16-19r, %o"},
{
/* Thumb instructions. */
+ /* ARMv8-M Security Extensions instructions. */
+ {ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8M), 0x4784, 0xff87, "blxns\t%3-6r"},
+ {ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8M), 0x4704, 0xff07, "bxns\t%3-6r"},
+
/* ARM V8 instructions. */
{ARM_FEATURE_CORE_LOW (ARM_EXT_V8), 0xbf50, 0xffff, "sevl%c"},
{ARM_FEATURE_CORE_LOW (ARM_EXT_V8), 0xba80, 0xffc0, "hlt\t%0-5x"},
makes heavy use of special-case bit patterns. */
static const struct opcode32 thumb32_opcodes[] =
{
- /* V8-M instructions. */
+ /* ARMv8-M and ARMv8-M Security Extensions instructions. */
+ {ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8M), 0xe97fe97f, 0xffffffff, "sg"},
{ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8M),
0xe840f000, 0xfff0f0ff, "tt\t%8-11r, %16-19r"},
{ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8M),
0xe840f040, 0xfff0f0ff, "ttt\t%8-11r, %16-19r"},
+ {ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8M),
+ 0xe840f080, 0xfff0f0ff, "tta\t%8-11r, %16-19r"},
+ {ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8M),
+ 0xe840f0c0, 0xfff0f0ff, "ttat\t%8-11r, %16-19r"},
/* ARM V8.2 RAS extension instructions. */
- {ARM_FEATURE_CORE_HIGH (ARM_EXT2_V8_2A),
+ {ARM_FEATURE_CORE_HIGH (ARM_EXT2_RAS),
0xf3af8010, 0xffffffff, "esb"},
/* V8 instructions. */
static const arm_regname regnames[] =
{
- { "raw" , "Select raw register names",
+ { "reg-names-raw", N_("Select raw register names"),
{ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"}},
- { "gcc", "Select register names used by GCC",
+ { "reg-names-gcc", N_("Select register names used by GCC"),
{ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "sl", "fp", "ip", "sp", "lr", "pc" }},
- { "std", "Select register names used in ARM's ISA documentation",
+ { "reg-names-std", N_("Select register names used in ARM's ISA documentation"),
{ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "sp", "lr", "pc" }},
- { "apcs", "Select register names used in the APCS",
+ { "force-thumb", N_("Assume all insns are Thumb insns"), {NULL} },
+ { "no-force-thumb", N_("Examine preceding label to determine an insn's type"), {NULL} },
+ { "reg-names-apcs", N_("Select register names used in the APCS"),
{ "a1", "a2", "a3", "a4", "v1", "v2", "v3", "v4", "v5", "v6", "sl", "fp", "ip", "sp", "lr", "pc" }},
- { "atpcs", "Select register names used in the ATPCS",
+ { "reg-names-atpcs", N_("Select register names used in the ATPCS"),
{ "a1", "a2", "a3", "a4", "v1", "v2", "v3", "v4", "v5", "v6", "v7", "v8", "IP", "SP", "LR", "PC" }},
- { "special-atpcs", "Select special register names used in the ATPCS",
- { "a1", "a2", "a3", "a4", "v1", "v2", "v3", "WR", "v5", "SB", "SL", "FP", "IP", "SP", "LR", "PC" }},
+ { "reg-names-special-atpcs", N_("Select special register names used in the ATPCS"),
+ { "a1", "a2", "a3", "a4", "v1", "v2", "v3", "WR", "v5", "SB", "SL", "FP", "IP", "SP", "LR", "PC" }}
};
static const char *const iwmmxt_wwnames[] =
/* Default to GCC register name set. */
static unsigned int regname_selected = 1;
-#define NUM_ARM_REGNAMES NUM_ELEM (regnames)
+#define NUM_ARM_OPTIONS ARRAY_SIZE (regnames)
#define arm_regnames regnames[regname_selected].reg_names
static bfd_boolean force_thumb = FALSE;
\f
/* Functions. */
-int
-get_arm_regname_num_options (void)
-{
- return NUM_ARM_REGNAMES;
-}
-
-int
-set_arm_regname_option (int option)
-{
- int old = regname_selected;
- regname_selected = option;
- return old;
-}
-
-int
-get_arm_regnames (int option,
- const char **setname,
- const char **setdescription,
- const char *const **register_names)
-{
- *setname = regnames[option].name;
- *setdescription = regnames[option].description;
- *register_names = regnames[option].reg_names;
- return 16;
-}
/* Decode a bitfield of the form matching regexp (N(-N)?,)*N(-N)?.
Returns pointer to following character of the format string and
}
func (stream, "%s", arm_regnames[value]);
break;
+ case 'V':
+ if (given & (1 << 6))
+ goto Q;
+ /* FALLTHROUGH */
case 'D':
func (stream, "d%ld", value);
break;
case 'Q':
+ Q:
if (value & 1)
func (stream, "<illegal reg q%ld.5>", value >> 1);
else
case 'S':
allow_unpredictable = TRUE;
+ /* Fall through. */
case 's':
if ((given & 0x004f0000) == 0x004f0000)
{
{
switch (regno)
{
- case 0: return "APSR";
- case 1: return "IAPSR";
- case 2: return "EAPSR";
- case 3: return "PSR";
- case 5: return "IPSR";
- case 6: return "EPSR";
- case 7: return "IEPSR";
- case 8: return "MSP";
- case 9: return "PSP";
- case 16: return "PRIMASK";
- case 17: return "BASEPRI";
- case 18: return "BASEPRI_MAX";
- case 19: return "FAULTMASK";
- case 20: return "CONTROL";
+ case 0x0: return "APSR";
+ case 0x1: return "IAPSR";
+ case 0x2: return "EAPSR";
+ case 0x3: return "PSR";
+ case 0x5: return "IPSR";
+ case 0x6: return "EPSR";
+ case 0x7: return "IEPSR";
+ case 0x8: return "MSP";
+ case 0x9: return "PSP";
+ case 0xa: return "MSPLIM";
+ case 0xb: return "PSPLIM";
+ case 0x10: return "PRIMASK";
+ case 0x11: return "BASEPRI";
+ case 0x12: return "BASEPRI_MAX";
+ case 0x13: return "FAULTMASK";
+ case 0x14: return "CONTROL";
+ case 0x88: return "MSP_NS";
+ case 0x89: return "PSP_NS";
+ case 0x8a: return "MSPLIM_NS";
+ case 0x8b: return "PSPLIM_NS";
+ case 0x90: return "PRIMASK_NS";
+ case 0x91: return "BASEPRI_NS";
+ case 0x93: return "FAULTMASK_NS";
+ case 0x94: return "CONTROL_NS";
+ case 0x98: return "SP_NS";
default: return "<unknown>";
}
}
if (off || !U)
{
func (stream, ", #%c%u", U ? '+' : '-', off * 4);
- value_in_comment = off * 4 * U ? 1 : -1;
+ value_in_comment = off * 4 * (U ? 1 : -1);
}
func (stream, "]");
if (W)
if (W)
{
func (stream, "#%c%u", U ? '+' : '-', off * 4);
- value_in_comment = off * 4 * U ? 1 : -1;
+ value_in_comment = off * 4 * (U ? 1 : -1);
}
else
{
return (name && *name != '$' && strncmp (name, "__tagsym$$", 10));
}
-/* Parse an individual disassembler option. */
+/* Parse the string of disassembler options. */
-void
-parse_arm_disassembler_option (char *option)
+static void
+parse_arm_disassembler_options (const char *options)
{
- if (option == NULL)
- return;
+ const char *opt;
- if (CONST_STRNEQ (option, "reg-names-"))
+ FOR_EACH_DISASSEMBLER_OPTION (opt, options)
{
- int i;
-
- option += 10;
-
- for (i = NUM_ARM_REGNAMES; i--;)
- if (strneq (option, regnames[i].name, strlen (regnames[i].name)))
- {
- regname_selected = i;
- break;
- }
+ if (CONST_STRNEQ (opt, "reg-names-"))
+ {
+ unsigned int i;
+ for (i = 0; i < NUM_ARM_OPTIONS; i++)
+ if (disassembler_options_cmp (opt, regnames[i].name) == 0)
+ {
+ regname_selected = i;
+ break;
+ }
- if (i < 0)
- /* XXX - should break 'option' at following delimiter. */
- fprintf (stderr, _("Unrecognised register name set: %s\n"), option);
+ if (i >= NUM_ARM_OPTIONS)
+ fprintf (stderr, _("Unrecognised register name set: %s\n"), opt);
+ }
+ else if (CONST_STRNEQ (opt, "force-thumb"))
+ force_thumb = 1;
+ else if (CONST_STRNEQ (opt, "no-force-thumb"))
+ force_thumb = 0;
+ else
+ fprintf (stderr, _("Unrecognised disassembler option: %s\n"), opt);
}
- else if (CONST_STRNEQ (option, "force-thumb"))
- force_thumb = 1;
- else if (CONST_STRNEQ (option, "no-force-thumb"))
- force_thumb = 0;
- else
- /* XXX - should break 'option' at following delimiter. */
- fprintf (stderr, _("Unrecognised disassembler option: %s\n"), option);
return;
}
-/* Parse the string of disassembler options, spliting it at whitespaces
- or commas. (Whitespace separators supported for backwards compatibility). */
-
-static void
-parse_disassembler_options (char *options)
-{
- if (options == NULL)
- return;
-
- while (*options)
- {
- parse_arm_disassembler_option (options);
-
- /* Skip forward to next seperator. */
- while ((*options) && (! ISSPACE (*options)) && (*options != ','))
- ++ options;
- /* Skip forward past seperators. */
- while (ISSPACE (*options) || (*options == ','))
- ++ options;
- }
-}
-
static bfd_boolean
mapping_symbol_for_insn (bfd_vma pc, struct disassemble_info *info,
enum map_type *map_symbol);
/* If the symbol has function type then use that. */
if (type == STT_FUNC || type == STT_GNU_IFUNC)
{
- if (ARM_SYM_BRANCH_TYPE (&es->internal_elf_sym) == ST_BRANCH_TO_THUMB)
+ if (ARM_GET_SYM_BRANCH_TYPE (es->internal_elf_sym.st_target_internal)
+ == ST_BRANCH_TO_THUMB)
*map_type = MAP_THUMB;
else
*map_type = MAP_ARM;
if (info->disassembler_options)
{
- parse_disassembler_options (info->disassembler_options);
+ parse_arm_disassembler_options (info->disassembler_options);
/* To avoid repeated parsing of these options, we remove them here. */
info->disassembler_options = NULL;
we finished last time. */
/* 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
+ executable section (eg because of -ffunction-sections). Either way
start scanning from the beginning of the symbol table, not where we
left off last time. */
if (pc == 0)
es = *(elf_symbol_type **)(info->symbols);
type = ELF_ST_TYPE (es->internal_elf_sym.st_info);
- is_thumb = ((ARM_SYM_BRANCH_TYPE (&es->internal_elf_sym)
- == ST_BRANCH_TO_THUMB)
- || type == STT_ARM_16BIT);
+ is_thumb =
+ ((ARM_GET_SYM_BRANCH_TYPE (es->internal_elf_sym.st_target_internal)
+ == ST_BRANCH_TO_THUMB) || type == STT_ARM_16BIT);
}
else if (bfd_asymbol_flavour (*info->symbols)
== bfd_target_mach_o_flavour)
return print_insn (pc, info, TRUE);
}
+const disasm_options_t *
+disassembler_options_arm (void)
+{
+ static disasm_options_t *opts = NULL;
+
+ if (opts == NULL)
+ {
+ unsigned int i;
+ opts = XNEW (disasm_options_t);
+ opts->name = XNEWVEC (const char *, NUM_ARM_OPTIONS + 1);
+ opts->description = XNEWVEC (const char *, NUM_ARM_OPTIONS + 1);
+ for (i = 0; i < NUM_ARM_OPTIONS; i++)
+ {
+ opts->name[i] = regnames[i].name;
+ if (regnames[i].description != NULL)
+ opts->description[i] = _(regnames[i].description);
+ else
+ opts->description[i] = NULL;
+ }
+ /* The array we return must be NULL terminated. */
+ opts->name[i] = NULL;
+ opts->description[i] = NULL;
+ }
+
+ return opts;
+}
+
void
print_arm_disassembler_options (FILE *stream)
{
- int i;
-
+ unsigned int i, max_len = 0;
fprintf (stream, _("\n\
The following ARM specific disassembler options are supported for use with\n\
the -M switch:\n"));
- for (i = NUM_ARM_REGNAMES; i--;)
- fprintf (stream, " reg-names-%s %*c%s\n",
- regnames[i].name,
- (int)(14 - strlen (regnames[i].name)), ' ',
- regnames[i].description);
+ for (i = 0; i < NUM_ARM_OPTIONS; i++)
+ {
+ unsigned int len = strlen (regnames[i].name);
+ if (max_len < len)
+ max_len = len;
+ }
- fprintf (stream, " force-thumb Assume all insns are Thumb insns\n");
- fprintf (stream, " no-force-thumb Examine preceding label to determine an insn's type\n\n");
+ for (i = 0, max_len++; i < NUM_ARM_OPTIONS; i++)
+ fprintf (stream, " %s%*c %s\n",
+ regnames[i].name,
+ (int)(max_len - strlen (regnames[i].name)), ' ',
+ _(regnames[i].description));
}
projects / deliverable / binutils-gdb.git / blobdiff