aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--gas/testsuite/gas/i386/x86-64-apx-jmpabs-intel.d12
-rw-r--r--gas/testsuite/gas/i386/x86-64-apx-jmpabs-inval.d40
-rw-r--r--gas/testsuite/gas/i386/x86-64-apx-jmpabs-inval.s15
-rw-r--r--gas/testsuite/gas/i386/x86-64-apx-jmpabs.d12
-rw-r--r--gas/testsuite/gas/i386/x86-64-apx-jmpabs.s5
-rw-r--r--gas/testsuite/gas/i386/x86-64.exp3
-rw-r--r--opcodes/i386-dis.c37
7 files changed, 122 insertions, 2 deletions
diff --git a/gas/testsuite/gas/i386/x86-64-apx-jmpabs-intel.d b/gas/testsuite/gas/i386/x86-64-apx-jmpabs-intel.d
new file mode 100644
index 0000000..2b87f95
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-apx-jmpabs-intel.d
@@ -0,0 +1,12 @@
+#as:
+#objdump: -dw -Mintel
+#name: x86_64 APX_F JMPABS insns (Intel disassembly)
+#source: x86-64-apx-jmpabs.s
+
+.*: +file format .*
+
+Disassembly of section \.text:
+
+0+ <_start>:
+\s*[a-f0-9]+:\s*d5 00 a1 02 00 00 00 00 00 00 00[ ]+jmpabs 0x2
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-apx-jmpabs-inval.d b/gas/testsuite/gas/i386/x86-64-apx-jmpabs-inval.d
new file mode 100644
index 0000000..86f313f
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-apx-jmpabs-inval.d
@@ -0,0 +1,40 @@
+#as: --64
+#objdump: -dw
+#name: illegal decoding of APX_F jmpabs insns
+#source: x86-64-apx-jmpabs-inval.s
+
+.*: +file format .*
+
+Disassembly of section \.text:
+
+0+ <.text>:
+\s*[a-f0-9]+: 66 d5 00 a1[ ]+\(bad\)
+\s*[a-f0-9]+: 01 00[ ]+add %eax,\(%rax\)
+\s*[a-f0-9]+: 00 00[ ]+add %al,\(%rax\)
+\s*[a-f0-9]+: 00 00[ ]+add %al,\(%rax\)
+\s*[a-f0-9]+: 00 00[ ]+add %al,\(%rax\)
+\s*[a-f0-9]+: 67 d5 00 a1[ ]+\(bad\)
+\s*[a-f0-9]+: 01 00[ ]+add %eax,\(%rax\)
+\s*[a-f0-9]+: 00 00[ ]+add %al,\(%rax\)
+\s*[a-f0-9]+: 00 00[ ]+add %al,\(%rax\)
+\s*[a-f0-9]+: 00 00[ ]+add %al,\(%rax\)
+\s*[a-f0-9]+: f2 d5 00 a1[ ]+\(bad\)
+\s*[a-f0-9]+: 01 00[ ]+add %eax,\(%rax\)
+\s*[a-f0-9]+: 00 00[ ]+add %al,\(%rax\)
+\s*[a-f0-9]+: 00 00[ ]+add %al,\(%rax\)
+\s*[a-f0-9]+: 00 00[ ]+add %al,\(%rax\)
+\s*[a-f0-9]+: f3 d5 00 a1[ ]+\(bad\)
+\s*[a-f0-9]+: 01 00[ ]+add %eax,\(%rax\)
+\s*[a-f0-9]+: 00 00[ ]+add %al,\(%rax\)
+\s*[a-f0-9]+: 00 00[ ]+add %al,\(%rax\)
+\s*[a-f0-9]+: 00 00[ ]+add %al,\(%rax\)
+\s*[a-f0-9]+: f0 d5 00 a1[ ]+\(bad\)
+\s*[a-f0-9]+: 01 00[ ]+add %eax,\(%rax\)
+\s*[a-f0-9]+: 00 00[ ]+add %al,\(%rax\)
+\s*[a-f0-9]+: 00 00[ ]+add %al,\(%rax\)
+\s*[a-f0-9]+: 00 00[ ]+add %al,\(%rax\)
+\s*[a-f0-9]+: d5 08 a1[ ]+\(bad\)
+\s*[a-f0-9]+: 01 00[ ]+add %eax,\(%rax\)
+\s*[a-f0-9]+: 00 00[ ]+add %al,\(%rax\)
+\s*[a-f0-9]+: 00 00[ ]+add %al,\(%rax\)
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-apx-jmpabs-inval.s b/gas/testsuite/gas/i386/x86-64-apx-jmpabs-inval.s
new file mode 100644
index 0000000..de4440a
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-apx-jmpabs-inval.s
@@ -0,0 +1,15 @@
+# Check bytecode of APX_F jmpabs instructions with illegal encode.
+
+ .text
+# With 66 prefix
+ .byte 0x66,0xd5,0x00,0xa1,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00
+# With 67 prefix
+ .byte 0x67,0xd5,0x00,0xa1,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00
+# With F2 prefix
+ .byte 0xf2,0xd5,0x00,0xa1,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00
+# With F3 prefix
+ .byte 0xf3,0xd5,0x00,0xa1,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00
+# With LOCK prefix
+ .byte 0xf0,0xd5,0x00,0xa1,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00
+# REX2.M0 = 0 REX2.W = 1
+ .byte 0xd5,0x08,0xa1,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00
diff --git a/gas/testsuite/gas/i386/x86-64-apx-jmpabs.d b/gas/testsuite/gas/i386/x86-64-apx-jmpabs.d
new file mode 100644
index 0000000..e95b54f
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-apx-jmpabs.d
@@ -0,0 +1,12 @@
+#as:
+#objdump: -dw
+#name: x86_64 APX_F JMPABS insns
+#source: x86-64-apx-jmpabs.s
+
+.*: +file format .*
+
+Disassembly of section \.text:
+
+0+ <_start>:
+\s*[a-f0-9]+:\s*d5 00 a1 02 00 00 00 00 00 00 00[ ]+jmpabs \$0x2
+#pass
diff --git a/gas/testsuite/gas/i386/x86-64-apx-jmpabs.s b/gas/testsuite/gas/i386/x86-64-apx-jmpabs.s
new file mode 100644
index 0000000..69ffb76
--- /dev/null
+++ b/gas/testsuite/gas/i386/x86-64-apx-jmpabs.s
@@ -0,0 +1,5 @@
+# Check 64bit APX_F JMPABS instructions
+
+ .text
+ _start:
+ .byte 0xd5,0x00,0xa1,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00
diff --git a/gas/testsuite/gas/i386/x86-64.exp b/gas/testsuite/gas/i386/x86-64.exp
index 2ba4c49..fa6a1c3 100644
--- a/gas/testsuite/gas/i386/x86-64.exp
+++ b/gas/testsuite/gas/i386/x86-64.exp
@@ -377,6 +377,9 @@ run_dump_test "x86-64-apx-evex-promoted"
run_dump_test "x86-64-apx-evex-promoted-intel"
run_dump_test "x86-64-apx-evex-egpr"
run_dump_test "x86-64-apx-ndd"
+run_dump_test "x86-64-apx-jmpabs"
+run_dump_test "x86-64-apx-jmpabs-intel"
+run_dump_test "x86-64-apx-jmpabs-inval"
run_dump_test "x86-64-avx512f-rcigrz-intel"
run_dump_test "x86-64-avx512f-rcigrz"
run_dump_test "x86-64-clwb"
diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c
index bfb9493..6f5ff5c 100644
--- a/opcodes/i386-dis.c
+++ b/opcodes/i386-dis.c
@@ -106,6 +106,7 @@ static bool MOVSXD_Fixup (instr_info *, int, int);
static bool DistinctDest_Fixup (instr_info *, int, int);
static bool PREFETCHI_Fixup (instr_info *, int, int);
static bool PUSH2_POP2_Fixup (instr_info *, int, int);
+static bool JMPABS_Fixup (instr_info *, int, int);
static void ATTRIBUTE_PRINTF_3 i386_dis_printf (const disassemble_info *,
enum disassembler_style,
@@ -2018,7 +2019,7 @@ static const struct dis386 dis386[] = {
{ "lahf", { XX }, 0 },
/* a0 */
{ "mov%LB", { AL, Ob }, PREFIX_REX2_ILLEGAL },
- { "mov%LS", { eAX, Ov }, PREFIX_REX2_ILLEGAL },
+ { "mov%LS", { { JMPABS_Fixup, eAX_reg }, { JMPABS_Fixup, v_mode } }, PREFIX_REX2_ILLEGAL },
{ "mov%LB", { Ob, AL }, PREFIX_REX2_ILLEGAL },
{ "mov%LS", { Ov, eAX }, PREFIX_REX2_ILLEGAL },
{ "movs{b|}", { Ybr, Xb }, PREFIX_REX2_ILLEGAL },
@@ -9699,7 +9700,7 @@ print_insn (bfd_vma pc, disassemble_info *info, int intel_syntax)
}
if ((dp->prefix_requirement & PREFIX_REX2_ILLEGAL)
- && ins.last_rex2_prefix >= 0)
+ && ins.last_rex2_prefix >= 0 && (ins.rex2 & REX2_SPECIAL) == 0)
{
i386_dis_printf (info, dis_style_text, "(bad)");
ret = ins.end_codep - priv.the_buffer;
@@ -13942,3 +13943,35 @@ PUSH2_POP2_Fixup (instr_info *ins, int bytemode, int sizeflag)
return OP_VEX (ins, bytemode, sizeflag);
}
+
+static bool
+JMPABS_Fixup (instr_info *ins, int bytemode, int sizeflag)
+{
+ if (ins->last_rex2_prefix >= 0)
+ {
+ uint64_t op;
+
+ if ((ins->prefixes & (PREFIX_OPCODE | PREFIX_ADDR | PREFIX_LOCK)) != 0x0
+ || (ins->rex & REX_W) != 0x0)
+ {
+ oappend (ins, "(bad)");
+ return true;
+ }
+
+ if (bytemode == eAX_reg)
+ return true;
+
+ if (!get64 (ins, &op))
+ return false;
+
+ ins->mnemonicendp = stpcpy (ins->obuf, "jmpabs");
+ ins->rex2 |= REX2_SPECIAL;
+ oappend_immediate (ins, op);
+
+ return true;
+ }
+
+ if (bytemode == eAX_reg)
+ return OP_IMREG (ins, bytemode, sizeflag);
+ return OP_OFF64 (ins, bytemode, sizeflag);
+}
generated by cgit v1.1 at 2024-11-25 07:52:49 +0000