From: "H.J. Lu" <hongjiu.lu@intel.com>
To: binutils@sourceware.org
Subject: [committed, PATCH] Remove Disp16|Disp32 from 64-bit direct branches
Date: Mon, 11 May 2015 21:23:00 -0000 [thread overview]
Message-ID: <20150511212331.GA1838@intel.com> (raw)
Disp16 and Disp32 aren't supported by direct branches in 64-bit mode.
This patch removes them from 64-bit direct branches.
* opcodes/i386-opc.tbl (call): Remove Disp16|Disp32 from 64-bit
direct branch.
(jmp): Likewise.
* i386-tbl.h: Regenerated.
---
opcodes/ChangeLog | 7 +++++++
opcodes/i386-opc.tbl | 5 +++--
opcodes/i386-tbl.h | 19 ++++++++++++++++---
3 files changed, 26 insertions(+), 5 deletions(-)
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 99c7a93..8fd1ad3 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,5 +1,12 @@
2015-05-11 H.J. Lu <hongjiu.lu@intel.com>
+ * opcodes/i386-opc.tbl (call): Remove Disp16|Disp32 from 64-bit
+ direct branch.
+ (jmp): Likewise.
+ * i386-tbl.h: Regenerated.
+
+2015-05-11 H.J. Lu <hongjiu.lu@intel.com>
+
* configure.ac: Support bfd_iamcu_arch.
* disassemble.c (disassembler): Support bfd_iamcu_arch.
* i386-gen.c (cpu_flag_init): Add CPU_IAMCU_FLAGS and
diff --git a/opcodes/i386-opc.tbl b/opcodes/i386-opc.tbl
index 6edc121..ca629c4 100644
--- a/opcodes/i386-opc.tbl
+++ b/opcodes/i386-opc.tbl
@@ -319,7 +319,7 @@ shrd, 2, 0xfad, None, 2, Cpu386, Modrm|CheckRegSize|No_bSuf|No_sSuf|No_ldSuf, {
// Control transfer instructions.
call, 1, 0xe8, None, 1, CpuNo64, JumpDword|DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf|BNDPrefixOk, { Disp16|Disp32 }
-call, 1, 0xe8, None, 1, Cpu64, JumpDword|DefaultSize|No_bSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64|BNDPrefixOk, { Disp16|Disp32|Disp32S }
+call, 1, 0xe8, None, 1, Cpu64, JumpDword|DefaultSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64|BNDPrefixOk, { Disp32S }
call, 1, 0xff, 0x2, 1, CpuNo64, Modrm|DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf|BNDPrefixOk, { Reg16|Reg32|Word|Dword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|JumpAbsolute }
call, 1, 0xff, 0x2, 1, Cpu64, Modrm|DefaultSize|No_bSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64|BNDPrefixOk, { Reg16|Reg64|Word|Qword|Unspecified|BaseIndex|Disp8|Disp32|Disp32S|JumpAbsolute }
// Intel Syntax
@@ -329,7 +329,8 @@ call, 1, 0xff, 0x3, 1, 0, Modrm|DefaultSize|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_q
lcall, 2, 0x9a, None, 1, CpuNo64, JumpInterSegment|DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Imm16, Imm16|Imm32 }
lcall, 1, 0xff, 0x3, 1, 0, Modrm|DefaultSize|No_bSuf|No_sSuf|No_qSuf|No_ldSuf, { Unspecified|BaseIndex|Disp8|Disp16|Disp32|Disp32S|JumpAbsolute }
-jmp, 1, 0xeb, None, 1, 0, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|BNDPrefixOk, { Disp8|Disp16|Disp32|Disp32S }
+jmp, 1, 0xeb, None, 1, CpuNo64, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|BNDPrefixOk, { Disp8|Disp16|Disp32|Disp32S }
+jmp, 1, 0xeb, None, 1, Cpu64, Jump|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf|BNDPrefixOk, { Disp8|Disp32S }
jmp, 1, 0xff, 0x4, 1, CpuNo64, Modrm|No_bSuf|No_sSuf|No_qSuf|No_ldSuf|BNDPrefixOk, { Reg16|Reg32|Word|Dword|Unspecified|BaseIndex|Disp8|Disp16|Disp32|JumpAbsolute }
jmp, 1, 0xff, 0x4, 1, Cpu64, Modrm|No_bSuf|No_lSuf|No_sSuf|No_ldSuf|NoRex64|BNDPrefixOk, { Reg16|Reg64|Word|Qword|Unspecified|BaseIndex|Disp8|Disp32|Disp32S|JumpAbsolute }
// Intel Syntax.
diff --git a/opcodes/i386-tbl.h b/opcodes/i386-tbl.h
index a722127..a6115ec 100644
--- a/opcodes/i386-tbl.h
+++ b/opcodes/i386-tbl.h
@@ -3188,12 +3188,12 @@ const insn_template i386_optab[] =
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 1, 0, 0 } },
- { 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0,
+ { 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1,
1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0 },
{ { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } } } },
{ "call", 1, 0xff, 0x2, 1,
{ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -3284,7 +3284,7 @@ const insn_template i386_optab[] =
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0 } },
+ 0, 0, 0, 1, 0 } },
{ 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1,
1, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -3292,6 +3292,19 @@ const insn_template i386_optab[] =
{ { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } } } },
+ { "jmp", 1, 0xeb, None, 1,
+ { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 1, 0, 0 } },
+ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1,
+ 1, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0 },
+ { { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } } } },
{ "jmp", 1, 0xff, 0x4, 1,
{ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
--
1.9.3
next reply other threads:[~2015-05-11 21:23 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-11 21:23 H.J. Lu [this message]
2015-05-12 10:41 ` Jan Beulich
2015-05-12 11:54 ` H.J. Lu
2015-05-12 12:20 ` Jan Beulich
2015-05-12 12:37 ` H.J. Lu
2015-05-12 13:03 ` Jan Beulich
2015-05-12 13:37 ` H.J. Lu
2015-05-12 13:49 ` Michael Matz
2015-05-12 13:57 ` H.J. Lu
2015-05-12 14:31 ` Michael Matz
2015-05-12 14:49 ` H.J. Lu
2015-05-12 15:14 ` Michael Matz
2015-05-12 15:21 ` H.J. Lu
2015-05-12 15:32 ` Michael Matz
2015-05-12 14:59 ` Jan Beulich
2015-05-12 15:03 ` H.J. Lu
2015-05-12 15:09 ` Jan Beulich
2015-05-12 15:11 ` H.J. Lu
2015-05-12 15:17 ` Jan Beulich
2015-05-12 15:37 ` Michael Matz
2015-05-12 15:43 ` H.J. Lu
2015-05-12 15:47 ` Michael Matz
2015-05-12 16:00 ` H.J. Lu
2015-05-12 16:03 ` Michael Matz
2015-05-12 16:08 ` H.J. Lu
2015-05-13 6:18 ` Jan Beulich
2015-05-13 11:35 ` H.J. Lu
2015-05-13 12:27 ` Jan Beulich
2015-05-13 13:15 ` H.J. Lu
2015-05-13 12:34 ` Michael Matz
2015-05-13 13:32 ` H.J. Lu
2015-05-13 16:50 ` Maciej W. Rozycki
2015-05-13 16:53 ` H.J. Lu
2015-05-15 6:39 ` Jan Beulich
2015-05-15 16:52 ` H.J. Lu
2015-05-18 7:05 ` Jan Beulich
2015-05-18 11:22 ` H.J. Lu
2015-05-18 11:48 ` Jan Beulich
2015-05-18 12:18 ` H.J. Lu
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