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i386-dis: Check valid bnd register 

Since there are only 4 bnd registers, return "(bad)" for register
number > 3.

	PR binutils/21594
	* i386-dis.c (OP_E_register): Check valid bnd register.
	(OP_G): Likewise.
This commit is contained in:
H.J. Lu 2017-06-15 06:40:17 -07:00
parent cd3ea7c69a
commit 0d96e4df48
2 changed files with 16 additions and 0 deletions
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6
opcodes/ChangeLog
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@ -1,3 +1,9 @@
2017-06-15 H.J. Lu <hongjiu.lu@intel.com>
PR binutils/21594
* i386-dis.c (OP_E_register): Check valid bnd register.
(OP_G): Likewise.
2017-06-15 Nick Clifton <nickc@redhat.com>
PR binutils/21595

10
opcodes/i386-dis.c
View File

@ -15025,6 +15025,11 @@ OP_E_register (int bytemode, int sizeflag)
names = address_mode == mode_64bit ? names64 : names32;
break;
case bnd_mode:
if (reg > 0x3)
{
oappend ("(bad)");
return;
}
names = names_bnd;
break;
case indir_v_mode:
@ -15569,6 +15574,11 @@ OP_G (int bytemode, int sizeflag)
oappend (names64[modrm.reg + add]);
break;
case bnd_mode:
if (modrm.reg > 0x3)
{
oappend ("(bad)");
return;
}
oappend (names_bnd[modrm.reg]);
break;
case v_mode: