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authorH.J. Lu <hjl.tools@gmail.com>2010-08-31 21:56:57 +0000
committerH.J. Lu <hjl.tools@gmail.com>2010-08-31 21:56:57 +0000
commitd9e3625e3784394e084ea08b52ee13178b00bd09 (patch)
tree8ceb8714d00ac0deac3bcf187fc92390e416916b /opcodes
parent710e1a31c41cfebe0c425d54efa309bb7054cbc2 (diff)
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Fix "pushw imm16" for x86-64 disassembler.
gas/testsuite/ 2010-08-31 H.J. Lu <hongjiu.lu@intel.com> PR binutils/11960 * gas/i386/opcode-intel.d: Updated. * gas/i386/x86-64-opcode.d: Likewise. * gas/i386/x86-64-opcode.s: Add a "pushw imm16" test. opcodes/ 2010-08-31 H.J. Lu <hongjiu.lu@intel.com> PR binutils/11960 * i386-dis.c (sIv): New. (dis386): Replace Iq with sIv on "pushT". (reg_table): Replace T with {T|} on callT, JcallT, jmpT and JjmpT. (x86_64_table): Replace {T|}/{P|} with P. (putop): Add 'w' to 'T'/'P' if needed for Intel syntax. (OP_sI): Update v_mode. Remove w_mode.
Diffstat (limited to 'opcodes')
-rw-r--r--opcodes/ChangeLog10
-rw-r--r--opcodes/i386-dis.c68
2 files changed, 40 insertions, 38 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 416d7ba..f6dae2f 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,13 @@
+2010-08-31 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR binutils/11960
+ * i386-dis.c (sIv): New.
+ (dis386): Replace Iq with sIv on "pushT".
+ (reg_table): Replace T with {T|} on callT, JcallT, jmpT and JjmpT.
+ (x86_64_table): Replace {T|}/{P|} with P.
+ (putop): Add 'w' to 'T'/'P' if needed for Intel syntax.
+ (OP_sI): Update v_mode. Remove w_mode.
+
2010-08-27 Nathan Froyd <froydnj@codesourcery.com>
* ppc-opc.c (powerpc_opcodes) [lswx,lswi,stswx,stswi]: Deprecate
diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c
index 2ee8e57..f83ac78 100644
--- a/opcodes/i386-dis.c
+++ b/opcodes/i386-dis.c
@@ -253,6 +253,7 @@ fetch_data (struct disassemble_info *info, bfd_byte *addr)
#define Ib { OP_I, b_mode }
#define sIb { OP_sI, b_mode } /* sign extened byte */
#define Iv { OP_I, v_mode }
+#define sIv { OP_sI, v_mode }
#define Iq { OP_I, q_mode }
#define Iv64 { OP_I64, v_mode }
#define Iw { OP_I, w_mode }
@@ -1773,7 +1774,7 @@ static const struct dis386 dis386[] = {
{ Bad_Opcode }, /* op size prefix */
{ Bad_Opcode }, /* adr size prefix */
/* 68 */
- { "pushT", { Iq } },
+ { "pushT", { sIv } },
{ "imulS", { Gv, Ev, Iv } },
{ "pushT", { sIb } },
{ "imulS", { Gv, Ev, sIb } },
@@ -2591,10 +2592,10 @@ static const struct dis386 reg_table[][8] = {
{
{ "incQ", { Ev } },
{ "decQ", { Ev } },
- { "callT", { indirEv } },
- { "JcallT", { indirEp } },
- { "jmpT", { indirEv } },
- { "JjmpT", { indirEp } },
+ { "call{T|}", { indirEv } },
+ { "Jcall{T|}", { indirEp } },
+ { "jmp{T|}", { indirEv } },
+ { "Jjmp{T|}", { indirEp } },
{ "pushU", { stackEv } },
{ Bad_Opcode },
},
@@ -5359,37 +5360,37 @@ static const struct dis386 prefix_table[][4] = {
static const struct dis386 x86_64_table[][2] = {
/* X86_64_06 */
{
- { "push{T|}", { es } },
+ { "pushP", { es } },
},
/* X86_64_07 */
{
- { "pop{T|}", { es } },
+ { "popP", { es } },
},
/* X86_64_0D */
{
- { "push{T|}", { cs } },
+ { "pushP", { cs } },
},
/* X86_64_16 */
{
- { "push{T|}", { ss } },
+ { "pushP", { ss } },
},
/* X86_64_17 */
{
- { "pop{T|}", { ss } },
+ { "popP", { ss } },
},
/* X86_64_1E */
{
- { "push{T|}", { ds } },
+ { "pushP", { ds } },
},
/* X86_64_1F */
{
- { "pop{T|}", { ds } },
+ { "popP", { ds } },
},
/* X86_64_27 */
@@ -5414,12 +5415,12 @@ static const struct dis386 x86_64_table[][2] = {
/* X86_64_60 */
{
- { "pusha{P|}", { XX } },
+ { "pushaP", { XX } },
},
/* X86_64_61 */
{
- { "popa{P|}", { XX } },
+ { "popaP", { XX } },
},
/* X86_64_62 */
@@ -12335,9 +12336,9 @@ case_L:
used_prefixes |= (prefixes & PREFIX_DATA);
break;
case 'T':
- if (intel_syntax)
- break;
- if (address_mode == mode_64bit && (sizeflag & DFLAG))
+ if (!intel_syntax
+ && address_mode == mode_64bit
+ && (sizeflag & DFLAG))
{
*obufp++ = 'q';
break;
@@ -12345,7 +12346,16 @@ case_L:
/* Fall through. */
case 'P':
if (intel_syntax)
- break;
+ {
+ if ((rex & REX_W) == 0
+ && (prefixes & PREFIX_DATA))
+ {
+ if ((sizeflag & DFLAG) == 0)
+ *obufp++ = 'w';
+ used_prefixes |= (prefixes & PREFIX_DATA);
+ }
+ break;
+ }
if ((prefixes & PREFIX_DATA)
|| (rex & REX_W)
|| (sizeflag & SUFFIX_ALWAYS))
@@ -13623,28 +13633,10 @@ OP_sI (int bytemode, int sizeflag)
op -= 0x100;
break;
case v_mode:
- USED_REX (REX_W);
- if (rex & REX_W)
+ if (sizeflag & DFLAG)
op = get32s ();
else
- {
- if (sizeflag & DFLAG)
- {
- op = get32s ();
- }
- else
- {
- op = get16 ();
- if ((op & 0x8000) != 0)
- op -= 0x10000;
- }
- used_prefixes |= (prefixes & PREFIX_DATA);
- }
- break;
- case w_mode:
- op = get16 ();
- if ((op & 0x8000) != 0)
- op -= 0x10000;
+ op = get16 ();
break;
default:
oappend (INTERNAL_DISASSEMBLER_ERROR);