static templates *
opcode_lookup (char **str)
{
- char *end, *base;
+ char *end, *base, *dot;
const aarch64_cond *cond;
char condname[16];
int len;
/* Scan up to the end of the mnemonic, which must end in white space,
'.', or end of string. */
+ dot = 0;
for (base = end = *str; is_part_of_name(*end); end++)
- if (*end == '.')
- break;
+ if (*end == '.' && !dot)
+ dot = end;
- if (end == base)
+ if (end == base || dot == base)
return 0;
inst.cond = COND_ALWAYS;
/* Handle a possible condition. */
- if (end[0] == '.')
+ if (dot)
{
- cond = hash_find_n (aarch64_cond_hsh, end + 1, 2);
+ cond = hash_find_n (aarch64_cond_hsh, dot + 1, end - dot - 1);
if (cond)
{
inst.cond = cond->value;
- *str = end + 3;
+ *str = end;
}
else
{
- *str = end;
+ *str = dot;
return 0;
}
+ len = dot - base;
}
else
- *str = end;
-
- len = end - base;
+ {
+ *str = end;
+ len = end - base;
+ }
if (inst.cond == COND_ALWAYS)
{
case AARCH64_OPND_COND:
case AARCH64_OPND_COND1:
- info->cond = hash_find_n (aarch64_cond_hsh, str, 2);
- str += 2;
- if (info->cond == NULL)
- {
- set_syntax_error (_("invalid condition"));
- goto failure;
- }
- else if (operands[i] == AARCH64_OPND_COND1
- && (info->cond->value & 0xe) == 0xe)
- {
- /* Not allow AL or NV. */
- set_default_error ();
- goto failure;
- }
+ {
+ char *start = str;
+ do
+ str++;
+ while (ISALPHA (*str));
+ info->cond = hash_find_n (aarch64_cond_hsh, start, str - start);
+ if (info->cond == NULL)
+ {
+ set_syntax_error (_("invalid condition"));
+ goto failure;
+ }
+ else if (operands[i] == AARCH64_OPND_COND1
+ && (info->cond->value & 0xe) == 0xe)
+ {
+ /* Do not allow AL or NV. */
+ set_default_error ();
+ goto failure;
+ }
+ }
break;
case AARCH64_OPND_ADDR_ADRP:
54: 9ba28c20 umsubl x0, w1, w2, x3
58: 9ba2fc20 umnegl x0, w1, w2
5c: 9ba2fc20 umnegl x0, w1, w2
- 60: 1a9f0420 csinc w0, w1, wzr, eq
- 64: 1a810420 cinc w0, w1, ne
- 68: 1a810420 cinc w0, w1, ne
- 6c: 1a9f37e0 cset w0, cs
- 70: 1a9f37e0 cset w0, cs
- 74: da9f2020 csinv x0, x1, xzr, cs
- 78: da812020 cinv x0, x1, cc
- 7c: da812020 cinv x0, x1, cc
- 80: da9f43e0 csetm x0, pl
- 84: da9f43e0 csetm x0, pl
- 88: da9eb7e0 csneg x0, xzr, x30, lt
- 8c: da9eb7c0 cneg x0, x30, ge
- 90: da9eb7c0 cneg x0, x30, ge
+ 60: 1a9f0420 csinc w0, w1, wzr, eq // eq = none
+ 64: 1a810420 cinc w0, w1, ne // ne = any
+ 68: 1a810420 cinc w0, w1, ne // ne = any
+ 6c: 1a9f37e0 cset w0, cs // cs = hs, nlast
+ 70: 1a9f37e0 cset w0, cs // cs = hs, nlast
+ 74: da9f2020 csinv x0, x1, xzr, cs // cs = hs, nlast
+ 78: da812020 cinv x0, x1, cc // cc = lo, ul, last
+ 7c: da812020 cinv x0, x1, cc // cc = lo, ul, last
+ 80: da9f43e0 csetm x0, pl // pl = nfrst
+ 84: da9f43e0 csetm x0, pl // pl = nfrst
+ 88: da9eb7e0 csneg x0, xzr, x30, lt // lt = tstop
+ 8c: da9eb7c0 cneg x0, x30, ge // ge = tcont
+ 90: da9eb7c0 cneg x0, x30, ge // ge = tcont
94: ea020020 ands x0, x1, x2
98: ea02003f tst x1, x2
9c: ea02003f tst x1, x2
--- /dev/null
+# objdump: -d
+
+.*: .*
+
+
+Disassembly of section \.text:
+
+0+0 <\.text>:
+.*: 54.....0 b\.eq 0 <\.text> // b\.none
+.*: 54.....0 b\.eq 0 <\.text> // b\.none
+.*: 54.....2 b\.cs 0 <\.text> // b\.hs, b\.nlast
+.*: 54.....2 b\.cs 0 <\.text> // b\.hs, b\.nlast
+.*: 54.....2 b\.cs 0 <\.text> // b\.hs, b\.nlast
+.*: 54.....3 b\.cc 0 <\.text> // b\.lo, b\.ul, b\.last
+.*: 54.....3 b\.cc 0 <\.text> // b\.lo, b\.ul, b\.last
+.*: 54.....3 b\.cc 0 <\.text> // b\.lo, b\.ul, b\.last
+.*: 54.....3 b\.cc 0 <\.text> // b\.lo, b\.ul, b\.last
+.*: 54.....4 b\.mi 0 <\.text> // b\.first
+.*: 54.....4 b\.mi 0 <\.text> // b\.first
+.*: 54.....5 b\.pl 0 <\.text> // b\.nfrst
+.*: 54.....5 b\.pl 0 <\.text> // b\.nfrst
+.*: 54.....6 b\.vs 0 <\.text>
+.*: 54.....7 b\.vc 0 <\.text>
+.*: 54.....8 b\.hi 0 <\.text> // b\.pmore
+.*: 54.....8 b\.hi 0 <\.text> // b\.pmore
+.*: 54.....9 b\.ls 0 <\.text> // b\.plast
+.*: 54.....9 b\.ls 0 <\.text> // b\.plast
+.*: 54.....a b\.ge 0 <\.text> // b\.tcont
+.*: 54.....a b\.ge 0 <\.text> // b\.tcont
+.*: 54.....b b\.lt 0 <\.text> // b\.tstop
+.*: 54.....b b\.lt 0 <\.text> // b\.tstop
+.*: 54.....c b\.gt 0 <\.text>
+.*: 54.....d b\.le 0 <\.text>
+.*: 9a830041 csel x1, x2, x3, eq // eq = none
+.*: 9a830041 csel x1, x2, x3, eq // eq = none
+.*: 9a832041 csel x1, x2, x3, cs // cs = hs, nlast
+.*: 9a832041 csel x1, x2, x3, cs // cs = hs, nlast
+.*: 9a832041 csel x1, x2, x3, cs // cs = hs, nlast
+.*: 9a833041 csel x1, x2, x3, cc // cc = lo, ul, last
+.*: 9a833041 csel x1, x2, x3, cc // cc = lo, ul, last
+.*: 9a833041 csel x1, x2, x3, cc // cc = lo, ul, last
+.*: 9a833041 csel x1, x2, x3, cc // cc = lo, ul, last
+.*: 9a834041 csel x1, x2, x3, mi // mi = first
+.*: 9a834041 csel x1, x2, x3, mi // mi = first
+.*: 9a835041 csel x1, x2, x3, pl // pl = nfrst
+.*: 9a835041 csel x1, x2, x3, pl // pl = nfrst
+.*: 9a836041 csel x1, x2, x3, vs
+.*: 9a837041 csel x1, x2, x3, vc
+.*: 9a838041 csel x1, x2, x3, hi // hi = pmore
+.*: 9a838041 csel x1, x2, x3, hi // hi = pmore
+.*: 9a839041 csel x1, x2, x3, ls // ls = plast
+.*: 9a839041 csel x1, x2, x3, ls // ls = plast
+.*: 9a83a041 csel x1, x2, x3, ge // ge = tcont
+.*: 9a83a041 csel x1, x2, x3, ge // ge = tcont
+.*: 9a83b041 csel x1, x2, x3, lt // lt = tstop
+.*: 9a83b041 csel x1, x2, x3, lt // lt = tstop
+.*: 9a83c041 csel x1, x2, x3, gt
+.*: 9a83d041 csel x1, x2, x3, le
--- /dev/null
+1:
+ b.eq 1b
+ b.none 1b
+
+ b.cs 1b
+ b.hs 1b
+ b.nlast 1b
+
+ b.cc 1b
+ b.lo 1b
+ b.ul 1b
+ b.last 1b
+
+ b.mi 1b
+ b.first 1b
+
+ b.pl 1b
+ b.nfrst 1b
+
+ b.vs 1b
+
+ b.vc 1b
+
+ b.hi 1b
+ b.pmore 1b
+
+ b.ls 1b
+ b.plast 1b
+
+ b.ge 1b
+ b.tcont 1b
+
+ b.lt 1b
+ b.tstop 1b
+
+ b.gt 1b
+
+ b.le 1b
+
+ csel x1, x2, x3, eq
+ csel x1, x2, x3, none
+
+ csel x1, x2, x3, cs
+ csel x1, x2, x3, hs
+ csel x1, x2, x3, nlast
+
+ csel x1, x2, x3, cc
+ csel x1, x2, x3, lo
+ csel x1, x2, x3, ul
+ csel x1, x2, x3, last
+
+ csel x1, x2, x3, mi
+ csel x1, x2, x3, first
+
+ csel x1, x2, x3, pl
+ csel x1, x2, x3, nfrst
+
+ csel x1, x2, x3, vs
+
+ csel x1, x2, x3, vc
+
+ csel x1, x2, x3, hi
+ csel x1, x2, x3, pmore
+
+ csel x1, x2, x3, ls
+ csel x1, x2, x3, plast
+
+ csel x1, x2, x3, ge
+ csel x1, x2, x3, tcont
+
+ csel x1, x2, x3, lt
+ csel x1, x2, x3, tstop
+
+ csel x1, x2, x3, gt
+
+ csel x1, x2, x3, le
Disassembly of section \.text:
0000000000000000 <.*>:
- 0: 54000000 b.eq 0 <bar>
+ 0: 54000000 b\.eq 0 <bar> // b\.none
0: R_AARCH64_CONDBR19 bar\+0x100000
Disassembly of section \.text:
0000000000000000 <.*>:
- [0-9a-f]+: 1e200400 fccmp s0, s0, #0x0, eq
- [0-9a-f]+: 1ee00400 fccmp h0, h0, #0x0, eq
+ [0-9a-f]+: 1e200400 fccmp s0, s0, #0x0, eq // eq = none
+ [0-9a-f]+: 1ee00400 fccmp h0, h0, #0x0, eq // eq = none
[0-9a-f]+: 1e22d420 fccmp s1, s2, #0x0, le
[0-9a-f]+: 1ee2d420 fccmp h1, h2, #0x0, le
- [0-9a-f]+: 1e200410 fccmpe s0, s0, #0x0, eq
- [0-9a-f]+: 1ee00410 fccmpe h0, h0, #0x0, eq
+ [0-9a-f]+: 1e200410 fccmpe s0, s0, #0x0, eq // eq = none
+ [0-9a-f]+: 1ee00410 fccmpe h0, h0, #0x0, eq // eq = none
[0-9a-f]+: 1e22d430 fccmpe s1, s2, #0x0, le
[0-9a-f]+: 1ee2d430 fccmpe h1, h2, #0x0, le
[0-9a-f]+: 1e202000 fcmp s0, s0
[0-9a-f]+: 1ee02008 fcmp h0, #0\.0
[0-9a-f]+: 1e202018 fcmpe s0, #0\.0
[0-9a-f]+: 1ee02018 fcmpe h0, #0\.0
- [0-9a-f]+: 1e210c00 fcsel s0, s0, s1, eq
- [0-9a-f]+: 1ee10c00 fcsel h0, h0, h1, eq
+ [0-9a-f]+: 1e210c00 fcsel s0, s0, s1, eq // eq = none
+ [0-9a-f]+: 1ee10c00 fcsel h0, h0, h1, eq // eq = none
[0-9a-f]+: 9ee60000 fmov x0, h0
[0-9a-f]+: 1ee60000 fmov w0, h0
[0-9a-f]+: 9ee70001 fmov h1, x0
10: 93c3fc41 extr x1, x2, x3, #63
14: 93c30041 extr x1, x2, x3, #0
18: 13837c41 extr w1, w2, w3, #31
- 1c: 9a9f17e1 cset x1, eq
- 20: da9f13e1 csetm x1, eq
+ 1c: 9a9f17e1 cset x1, eq // eq = none
+ 20: da9f13e1 csetm x1, eq // eq = none
24: 71000021 subs w1, w1, #0x0
28: 7100003f cmp w1, #0x0
2c: 4b0203e1 neg w1, w2
d4: 92400c85 and x5, x4, #0xf
d8: 0a230041 bic w1, w2, w3
dc: 8a230041 bic x1, x2, x3
- e0: 54000001 b.ne e0 <sp\+0x90>
+ e0: 54000001 b\.ne e0 <sp\+0x90> // b\.any
e4: 17ffffff b e0 <sp\+0x90>
e8: 14000001 b ec <sp\+0x9c>
- ec: 54ffffa0 b.eq e0 <sp\+0x90>
- f0: 54000001 b.ne f0 <sp\+0xa0>
+ ec: 54ffffa0 b\.eq e0 <sp\+0x90> // b\.none
+ f0: 54000001 b\.ne f0 <sp\+0xa0> // b\.any
f4: 17ffffff b f0 <sp\+0xa0>
f8: 14000001 b fc <sp\+0xac>
- fc: 54ffffa0 b.eq f0 <sp\+0xa0>
+ fc: 54ffffa0 b\.eq f0 <sp\+0xa0> // b\.none
100: d61f0040 br x2
- 104: 54ffffc2 b.cs fc <sp\+0xac>
- 108: 54ffffa3 b.cc fc <sp\+0xac>
+ 104: 54ffffc2 b\.cs fc <sp\+0xac> // b\.hs, b\.nlast
+ 108: 54ffffa3 b\.cc fc <sp\+0xac> // b\.lo, b\.ul, b\.last
...
10c: R_AARCH64_ABS32 .text\+0x50
110: R_AARCH64_ABS64 .text\+0x50
54: 9ba28c20 umsubl x0, w1, w2, x3
58: 9ba2fc20 umsubl x0, w1, w2, xzr
5c: 9ba2fc20 umsubl x0, w1, w2, xzr
- 60: 1a9f0420 csinc w0, w1, wzr, eq
- 64: 1a810420 csinc w0, w1, w1, eq
- 68: 1a810420 csinc w0, w1, w1, eq
- 6c: 1a9f37e0 csinc w0, wzr, wzr, cc
- 70: 1a9f37e0 csinc w0, wzr, wzr, cc
- 74: da9f2020 csinv x0, x1, xzr, cs
- 78: da812020 csinv x0, x1, x1, cs
- 7c: da812020 csinv x0, x1, x1, cs
- 80: da9f43e0 csinv x0, xzr, xzr, mi
- 84: da9f43e0 csinv x0, xzr, xzr, mi
- 88: da9eb7e0 csneg x0, xzr, x30, lt
- 8c: da9eb7c0 csneg x0, x30, x30, lt
- 90: da9eb7c0 csneg x0, x30, x30, lt
+ 60: 1a9f0420 csinc w0, w1, wzr, eq // eq = none
+ 64: 1a810420 csinc w0, w1, w1, eq // eq = none
+ 68: 1a810420 csinc w0, w1, w1, eq // eq = none
+ 6c: 1a9f37e0 csinc w0, wzr, wzr, cc // cc = lo, ul, last
+ 70: 1a9f37e0 csinc w0, wzr, wzr, cc // cc = lo, ul, last
+ 74: da9f2020 csinv x0, x1, xzr, cs // cs = hs, nlast
+ 78: da812020 csinv x0, x1, x1, cs // cs = hs, nlast
+ 7c: da812020 csinv x0, x1, x1, cs // cs = hs, nlast
+ 80: da9f43e0 csinv x0, xzr, xzr, mi // mi = first
+ 84: da9f43e0 csinv x0, xzr, xzr, mi // mi = first
+ 88: da9eb7e0 csneg x0, xzr, x30, lt // lt = tstop
+ 8c: da9eb7c0 csneg x0, x30, x30, lt // lt = tstop
+ 90: da9eb7c0 csneg x0, x30, x30, lt // lt = tstop
94: ea020020 ands x0, x1, x2
98: ea02003f ands xzr, x1, x2
9c: ea02003f ands xzr, x1, x2
4: 98000241 ldrsw x1, 4c <\.text\+0x4c>
8: 98000007 ldrsw x7, 0 <\.text>
8: R_AARCH64_LD_PREL_LO19 \.data\+0x4
- c: fa42a02a ccmp x1, x2, #0xa, ge
+ c: fa42a02a ccmp x1, x2, #0xa, ge // ge = tcont
10: 53001eaf uxtb w15, w21
14: 53003f67 uxth w7, w27
18: 2a1f03e8 mov w8, wzr
fc: 37400522 tbnz w2, #8, 1a0 <lab>
100: b7780002 tbnz x2, #47, 0 <xlab>
100: R_AARCH64_TSTBR14 xlab
- 104: 540004e0 b\.eq 1a0 <lab>
- 108: 54000000 b\.eq 0 <xlab>
+ 104: 540004e0 b\.eq 1a0 <lab> // b\.none
+ 108: 54000000 b\.eq 0 <xlab> // b\.none
108: R_AARCH64_CONDBR19 xlab
10c: b40004a0 cbz x0, 1a0 <lab>
110: b500001e cbnz x30, 0 <xlab>
{
/* A list of names with the first one as the disassembly preference;
terminated by NULL if fewer than 3. */
- const char *names[3];
+ const char *names[4];
aarch64_insn value;
} aarch64_cond;
}
}
+/* Set NAME to a copy of INST's mnemonic with the "." suffix removed. */
+
+static void
+remove_dot_suffix (char *name, const aarch64_inst *inst)
+{
+ char *ptr;
+ size_t len;
+
+ ptr = strchr (inst->opcode->name, '.');
+ assert (ptr && inst->cond);
+ len = ptr - inst->opcode->name;
+ assert (len < 8);
+ strncpy (name, inst->opcode->name, len);
+ name[len] = '\0';
+}
+
/* Print the instruction mnemonic name. */
static void
/* For instructions that are truly conditionally executed, e.g. b.cond,
prepare the full mnemonic name with the corresponding condition
suffix. */
- char name[8], *ptr;
- size_t len;
-
- ptr = strchr (inst->opcode->name, '.');
- assert (ptr && inst->cond);
- len = ptr - inst->opcode->name;
- assert (len < 8);
- strncpy (name, inst->opcode->name, len);
- name [len] = '\0';
+ char name[8];
+
+ remove_dot_suffix (name, inst);
(*info->fprintf_func) (info->stream, "%s.%s", name, inst->cond->names[0]);
}
else
(*info->fprintf_func) (info->stream, "%s", inst->opcode->name);
}
+/* Decide whether we need to print a comment after the operands of
+ instruction INST. */
+
+static void
+print_comment (const aarch64_inst *inst, struct disassemble_info *info)
+{
+ if (inst->opcode->flags & F_COND)
+ {
+ char name[8];
+ unsigned int i, num_conds;
+
+ remove_dot_suffix (name, inst);
+ num_conds = ARRAY_SIZE (inst->cond->names);
+ for (i = 1; i < num_conds && inst->cond->names[i]; ++i)
+ (*info->fprintf_func) (info->stream, "%s %s.%s",
+ i == 1 ? " //" : ",",
+ name, inst->cond->names[i]);
+ }
+}
+
/* Print the instruction according to *INST. */
static void
{
print_mnemonic_name (inst, info);
print_operands (pc, inst->opcode, inst->operands, info);
+ print_comment (inst, info);
}
/* Entry-point of the instruction disassembler and printer. */
/* Table of all conditional affixes. */
const aarch64_cond aarch64_conds[16] =
{
- {{"eq"}, 0x0},
- {{"ne"}, 0x1},
- {{"cs", "hs"}, 0x2},
- {{"cc", "lo", "ul"}, 0x3},
- {{"mi"}, 0x4},
- {{"pl"}, 0x5},
+ {{"eq", "none"}, 0x0},
+ {{"ne", "any"}, 0x1},
+ {{"cs", "hs", "nlast"}, 0x2},
+ {{"cc", "lo", "ul", "last"}, 0x3},
+ {{"mi", "first"}, 0x4},
+ {{"pl", "nfrst"}, 0x5},
{{"vs"}, 0x6},
{{"vc"}, 0x7},
- {{"hi"}, 0x8},
- {{"ls"}, 0x9},
- {{"ge"}, 0xa},
- {{"lt"}, 0xb},
+ {{"hi", "pmore"}, 0x8},
+ {{"ls", "plast"}, 0x9},
+ {{"ge", "tcont"}, 0xa},
+ {{"lt", "tstop"}, 0xb},
{{"gt"}, 0xc},
{{"le"}, 0xd},
{{"al"}, 0xe},
const aarch64_opnd_info *opnds, int idx, int *pcrel_p,
bfd_vma *address)
{
- int i;
+ unsigned int i, num_conds;
const char *name = NULL;
const aarch64_opnd_info *opnd = opnds + idx;
enum aarch64_modifier_kind kind;
case AARCH64_OPND_COND:
case AARCH64_OPND_COND1:
snprintf (buf, size, "%s", opnd->cond->names[0]);
+ num_conds = ARRAY_SIZE (opnd->cond->names);
+ for (i = 1; i < num_conds && opnd->cond->names[i]; ++i)
+ {
+ size_t len = strlen (buf);
+ if (i == 1)
+ snprintf (buf + len, size - len, " // %s = %s",
+ opnd->cond->names[0], opnd->cond->names[i]);
+ else
+ snprintf (buf + len, size - len, ", %s",
+ opnd->cond->names[i]);
+ }
break;
case AARCH64_OPND_ADDR_ADRP:
projects / thirdparty / binutils-gdb.git / commitdiff
