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gas/testsuite/

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2005-03-29  H.J. Lu  <hongjiu.lu@intel.com>

	* gas/i386/i386.exp: Run segment and inval-seg for i386. Run
	x86-64-segment and x86-64-inval-seg for x86-64.

	* gas/i386/intel.d: Expect movw for moving between memory and
	segment register.
	* gas/i386/naked.d: Likewise.
	* gas/i386/opcode.d: Likewise.
	* gas/i386/x86-64-opcode.d: Likewise.

	* gas/i386/opcode.s: Use movw for moving between memory and
	segment register.
	* gas/i386/x86-64-opcode.s: Likewise.

	* : Likewise.

	* gas/i386/inval-seg.l: New.
	* gas/i386/inval-seg.s: New.
	* gas/i386/segment.l: New.
	* gas/i386/segment.s: New.
	* gas/i386/x86-64-inval-seg.l: New.
	* gas/i386/x86-64-inval-seg.s: New.
	* gas/i386/x86-64-segment.l: New.
	* gas/i386/x86-64-segment.s: New.

include/opcode/

2005-03-29  H.J. Lu  <hongjiu.lu@intel.com>

	* i386.h (i386_optab): Don't allow the `l' suffix for moving
	moving between memory and segment register. Allow movq for
	moving between general-purpose register and segment register.

opcodes/

2005-03-29  H.J. Lu  <hongjiu.lu@intel.com>

	* i386-dis.c (SEG_Fixup): New.
	(Sv): New.
	(dis386): Use "Sv" for 0x8c and 0x8e.
This commit is contained in:
H.J. Lu 2005-03-29 19:30:47 +00:00
parent f0953f9df2
commit 4cc91dba12
20 changed files with 212 additions and 49 deletions
Download patch file Download diff file Expand all files Collapse all files

26
gas/testsuite/ChangeLog
View file

@ -1,3 +1,29 @@
2005-03-29 H.J. Lu <hongjiu.lu@intel.com>
* gas/i386/i386.exp: Run segment and inval-seg for i386. Run
x86-64-segment and x86-64-inval-seg for x86-64.
* gas/i386/intel.d: Expect movw for moving between memory and
segment register.
* gas/i386/naked.d: Likewise.
* gas/i386/opcode.d: Likewise.
* gas/i386/x86-64-opcode.d: Likewise.
* gas/i386/opcode.s: Use movw for moving between memory and
segment register.
* gas/i386/x86-64-opcode.s: Likewise.
* : Likewise.
* gas/i386/inval-seg.l: New.
* gas/i386/inval-seg.s: New.
* gas/i386/segment.l: New.
* gas/i386/segment.s: New.
* gas/i386/x86-64-inval-seg.l: New.
* gas/i386/x86-64-inval-seg.s: New.
* gas/i386/x86-64-segment.l: New.
* gas/i386/x86-64-segment.s: New.
2005-03-29 Daniel Jacobowitz <dan@codesourcery.com>
* gas/arm/tls.s, gas/arm/tls.d: New files.

4
gas/testsuite/gas/i386/i386.exp
View file

@ -42,6 +42,8 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_32_check]]
run_list_test "float" "-al"
run_list_test "general" "-al --listing-lhs-width=2"
run_list_test "inval" "-al"
run_list_test "segment" "-al"
run_list_test "inval-seg" "-al"
run_list_test "modrm" "-al --listing-lhs-width=2"
run_dump_test "naked"
run_dump_test "opcode"
@ -120,6 +122,8 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_64_check]] t
run_dump_test "x86-64-opcode"
run_dump_test "x86-64-rip"
run_list_test "x86-64-inval" "-al"
run_list_test "x86-64-segment" "-al"
run_list_test "x86-64-inval-seg" "-al"
# For ELF targets verify that @unwind works.
if { ([istarget "*-*-elf*"] || [istarget "*-*-linux*"]

6
gas/testsuite/gas/i386/intel.d
View file

@ -138,9 +138,9 @@ Disassembly of section .text:
1a3: 89 90 90 90 90 90 [ ]*mov %edx,0x90909090\(%eax\)
1a9: 8a 90 90 90 90 90 [ ]*mov 0x90909090\(%eax\),%dl
1af: 8b 90 90 90 90 90 [ ]*mov 0x90909090\(%eax\),%edx
1b5: 8c 90 90 90 90 90 [ ]*movl %ss,0x90909090\(%eax\)
1b5: 8c 90 90 90 90 90 [ ]*movw %ss,0x90909090\(%eax\)
1bb: 8d 90 90 90 90 90 [ ]*lea 0x90909090\(%eax\),%edx
1c1: 8e 90 90 90 90 90 [ ]*movl 0x90909090\(%eax\),%ss
1c1: 8e 90 90 90 90 90 [ ]*movw 0x90909090\(%eax\),%ss
1c7: 8f 80 90 90 90 90 [ ]*popl 0x90909090\(%eax\)
1cd: 90 [ ]*nop
1ce: 91 [ ]*xchg %eax,%ecx
@ -481,7 +481,7 @@ Disassembly of section .text:
7be: 66 87 90 90 90 90 90 [ ]*xchg %dx,0x90909090\(%eax\)
7c5: 66 89 90 90 90 90 90 [ ]*mov %dx,0x90909090\(%eax\)
7cc: 66 8b 90 90 90 90 90 [ ]*mov 0x90909090\(%eax\),%dx
7d3: 8c 90 90 90 90 90 [ ]*mov[l ] %ss,0x90909090\(%eax\)
7d3: 8c 90 90 90 90 90 [ ]*mov[w ] %ss,0x90909090\(%eax\)
7d9: 66 8d 90 90 90 90 90 [ ]*lea 0x90909090\(%eax\),%dx
7e0: 66 8f 80 90 90 90 90 [ ]*popw 0x90909090\(%eax\)
7e7: 66 91 [ ]*xchg %ax,%cx

10
gas/testsuite/gas/i386/inval-seg.l Normal file
View file

@ -0,0 +1,10 @@
.*: Assembler messages:
.*:3: Error: .*
.*:4: Error: .*
GAS LISTING .*
1 [ ]* .text
2 [ ]*# All the following should be illegal
3 [ ]* movl %ds,\(%eax\)
4 [ ]* movl \(%eax\),%ds

4
gas/testsuite/gas/i386/inval-seg.s Normal file
View file

@ -0,0 +1,4 @@
.text
# All the following should be illegal
movl %ds,(%eax)
movl (%eax),%ds

4
gas/testsuite/gas/i386/naked.d
View file

@ -11,8 +11,8 @@ Disassembly of section .text:
a: b2 20 [ ]*mov \$0x20,%dl
c: bb 00 00 00 00 [ ]*mov \$0x0,%ebx d: (R_386_)?(dir)?32 .text
11: d9 c9 [ ]*fxch %st\(1\)
13: 36 8c a4 81 d2 04 00 00 [ ]*movl %fs,%ss:0x4d2\(%ecx,%eax,4\)
1b: 8c 2c ed 00 00 00 00 [ ]*movl %gs,0x0\(,%ebp,8\)
13: 36 8c a4 81 d2 04 00 00 [ ]*movw %fs,%ss:0x4d2\(%ecx,%eax,4\)
1b: 8c 2c ed 00 00 00 00 [ ]*movw %gs,0x0\(,%ebp,8\)
22: 26 88 25 00 00 00 00 [ ]*mov %ah,%es:0x0
29: 2e 8b 74 14 80 [ ]*mov %cs:0xffffff80\(%esp,%edx,1\),%esi
2e: f3 65 a5 [ ]*repz movsl %gs:\(%esi\),%es:\(%edi\)

6
gas/testsuite/gas/i386/opcode.d
View file

@ -137,9 +137,9 @@ Disassembly of section .text:
1a3: 89 90 90 90 90 90 [ ]*mov %edx,0x90909090\(%eax\)
1a9: 8a 90 90 90 90 90 [ ]*mov 0x90909090\(%eax\),%dl
1af: 8b 90 90 90 90 90 [ ]*mov 0x90909090\(%eax\),%edx
1b5: 8c 90 90 90 90 90 [ ]*movl %ss,0x90909090\(%eax\)
1b5: 8c 90 90 90 90 90 [ ]*movw %ss,0x90909090\(%eax\)
1bb: 8d 90 90 90 90 90 [ ]*lea 0x90909090\(%eax\),%edx
1c1: 8e 90 90 90 90 90 [ ]*movl 0x90909090\(%eax\),%ss
1c1: 8e 90 90 90 90 90 [ ]*movw 0x90909090\(%eax\),%ss
1c7: 8f 80 90 90 90 90 [ ]*popl 0x90909090\(%eax\)
1cd: 90 [ ]*nop
1ce: 91 [ ]*xchg %eax,%ecx
@ -480,7 +480,7 @@ Disassembly of section .text:
7be: 66 87 90 90 90 90 90 [ ]*xchg %dx,0x90909090\(%eax\)
7c5: 66 89 90 90 90 90 90 [ ]*mov %dx,0x90909090\(%eax\)
7cc: 66 8b 90 90 90 90 90 [ ]*mov 0x90909090\(%eax\),%dx
7d3: 8c 90 90 90 90 90 [ ]*mov[l ] %ss,0x90909090\(%eax\)
7d3: 8c 90 90 90 90 90 [ ]*mov[w ] %ss,0x90909090\(%eax\)
7d9: 66 8d 90 90 90 90 90 [ ]*lea 0x90909090\(%eax\),%dx
7e0: 66 8f 80 90 90 90 90 [ ]*popw 0x90909090\(%eax\)
7e7: 66 91 [ ]*xchg %ax,%cx

4
gas/testsuite/gas/i386/opcode.s
View file

@ -130,9 +130,9 @@ foo:
mov %edx,0x90909090(%eax)
mov 0x90909090(%eax),%dl
mov 0x90909090(%eax),%edx
movl %ss,0x90909090(%eax)
movw %ss,0x90909090(%eax)
lea 0x90909090(%eax),%edx
movl 0x90909090(%eax),%ss
movw 0x90909090(%eax),%ss
popl 0x90909090(%eax)
xchg %eax,%eax
xchg %eax,%ecx

10
gas/testsuite/gas/i386/segment.l Normal file
View file

@ -0,0 +1,10 @@
1 .psize 0
2 .text
3 # test segment reg insns with memory operand
4 0000 8C18 movw %ds,\(%eax\)
5 0002 8C18 mov %ds,\(%eax\)
6 0004 8E18 movw \(%eax\),%ds
7 0006 8E18 mov \(%eax\),%ds
8 # Force a good alignment.
9 0008 00000000 .p2align 4,0
9 00000000

9
gas/testsuite/gas/i386/segment.s Normal file
View file

@ -0,0 +1,9 @@
.psize 0
.text
# test segment reg insns with memory operand
movw %ds,(%eax)
mov %ds,(%eax)
movw (%eax),%ds
mov (%eax),%ds
# Force a good alignment.
.p2align 4,0

14
gas/testsuite/gas/i386/x86-64-inval-seg.l Normal file
View file

@ -0,0 +1,14 @@
.*: Assembler messages:
.*:3: Error: .*
.*:4: Error: .*
.*:5: Error: .*
.*:6: Error: .*
GAS LISTING .*
1 [ ]* .text
2 [ ]*# All the following should be illegal
3 [ ]* movq %ds,\(%rax\)
4 [ ]* movl %ds,\(%rax\)
5 [ ]* movq \(%rax\),%ds
6 [ ]* movl \(%rax\),%ds

6
gas/testsuite/gas/i386/x86-64-inval-seg.s Normal file
View file

@ -0,0 +1,6 @@
.text
# All the following should be illegal
movq %ds,(%rax)
movl %ds,(%rax)
movq (%rax),%ds
movl (%rax),%ds

27
gas/testsuite/gas/i386/x86-64-opcode.d
View file

@ -16,22 +16,16 @@ Disassembly of section .text:
[ ]*[0-9a-f]+:[ ]+cf[ ]+iret[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+66 cf[ ]+iretw[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+48 cf[ ]+iretq[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+41 8c 08[ ]+movl?[ ]+%cs,\(%r8\)[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+8c 08[ ]+movl?[ ]+%cs,\(%rax\)[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+41 8c 10[ ]+movl?[ ]+%ss,\(%r8\)[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+8c 10[ ]+movl?[ ]+%ss,\(%rax\)[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+41 8c 20[ ]+movl?[ ]+%fs,\(%r8\)[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+8c 20[ ]+movl?[ ]+%fs,\(%rax\)[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+41 8c 08[ ]+movl?[ ]+%cs,\(%r8\)[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+8c 08[ ]+movl?[ ]+%cs,\(%rax\)[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+41 8c 10[ ]+movl?[ ]+%ss,\(%r8\)[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+8c 10[ ]+movl?[ ]+%ss,\(%rax\)[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+41 8c 20[ ]+movl?[ ]+%fs,\(%r8\)[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+8c 20[ ]+movl?[ ]+%fs,\(%rax\)[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+41 8e 10[ ]+movl?[ ]+\(%r8\),%ss[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+8e 10[ ]+movl?[ ]+\(%rax\),%ss[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+41 8e 20[ ]+movl?[ ]+\(%r8\),%fs[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+8e 20[ ]+movl?[ ]+\(%rax\),%fs[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+41 8c 08[ ]+movw?[ ]+%cs,\(%r8\)[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+8c 08[ ]+movw?[ ]+%cs,\(%rax\)[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+41 8c 10[ ]+movw?[ ]+%ss,\(%r8\)[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+8c 10[ ]+movw?[ ]+%ss,\(%rax\)[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+41 8c 20[ ]+movw?[ ]+%fs,\(%r8\)[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+8c 20[ ]+movw?[ ]+%fs,\(%rax\)[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+41 8e 10[ ]+movw?[ ]+\(%r8\),%ss[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+8e 10[ ]+movw?[ ]+\(%rax\),%ss[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+41 8e 20[ ]+movw?[ ]+\(%r8\),%fs[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+8e 20[ ]+movw?[ ]+\(%rax\),%fs[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+41 c6 00 00[ ]+movb[ ]+\$0[x0]*,\(%r8\)[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+c6 00 00[ ]+movb[ ]+\$0[x0]*,\(%rax\)[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+66 41 c7 00 00 70[ ]+movw[ ]+\$0x7000,\(%r8\)[ ]*(#.*)*
@ -274,5 +268,4 @@ Disassembly of section .text:
[ ]*[0-9a-f]+:[ ]+e7 00[ ]+out[ ]+%eax,\$0[x0]*[ ]*(#.*)*
[ ]*[0-9a-f]+:[ ]+00 00[ ]+.*
[ ]*[0-9a-f]+:[ ]+00 00[ ]+.*
[ ]*[0-9a-f]+:[ ]+00 00[ ]+.*
[ *]...

26
gas/testsuite/gas/i386/x86-64-opcode.s
View file

@ -20,22 +20,16 @@
# CMP
# MOV
MOVw %cs,(%r8) # 66 -- -- 41 8C 08 ; REX to access upper reg. O16 for 16-bit operand size
MOVw %cs,(%rax) # 66 -- -- -- 8C 08 ; O16 for 16-bit operand size
MOVw %ss,(%r8) # 66 -- -- 41 8C 10 ; REX to access upper reg. O16 for 16-bit operand size
MOVw %ss,(%rax) # 66 -- -- -- 8C 10 ; O16 for 16-bit operand size
MOVw %fs,(%r8) # 66 -- -- 41 8C 20 ; REX to access upper reg. O16 for 16-bit operand size
MOVw %fs,(%rax) # 66 -- -- -- 8C 20 ; O16 for 16-bit operand size
MOVl %cs,(%r8) # -- -- -- 41 8C 08 ; REX to access upper reg.
MOVl %cs,(%rax) # -- -- -- -- 8C 08
MOVl %ss,(%r8) # -- -- -- 41 8C 10 ; REX to access upper reg.
MOVl %ss,(%rax) # -- -- -- -- 8C 10
MOVl %fs,(%r8) # -- -- -- 41 8C 20 ; REX to access upper reg.
MOVl %fs,(%rax) # -- -- -- -- 8C 20
MOVl (%r8),%ss # -- -- -- 41 8E 10 ; REX to access upper reg.
MOVl (%rax),%ss # -- -- -- -- 8E 10
MOVl (%r8),%fs # -- -- -- 41 8E 20 ; REX to access upper reg.
MOVl (%rax),%fs # -- -- -- -- 8E 20
MOVw %cs,(%r8) # -- -- -- 41 8C 08 ; REX to access upper reg.
MOVw %cs,(%rax) # -- -- -- -- 8C 08
MOVw %ss,(%r8) # -- -- -- 41 8C 10 ; REX to access upper reg.
MOVw %ss,(%rax) # -- -- -- -- 8C 10
MOVw %fs,(%r8) # -- -- -- 41 8C 20 ; REX to access upper reg.
MOVw %fs,(%rax) # -- -- -- -- 8C 20
MOVw (%r8),%ss # -- -- -- 41 8E 10 ; REX to access upper reg.
MOVw (%rax),%ss # -- -- -- -- 8E 10
MOVw (%r8),%fs # -- -- -- 41 8E 20 ; REX to access upper reg.
MOVw (%rax),%fs # -- -- -- -- 8E 20
MOVb $0,(%r8) # -- -- -- 41 C6 00 00 ; REX to access upper reg.
MOVb $0,(%rax) # -- -- -- -- C6 00 00
MOVw $0x7000,(%r8) # 66 -- -- 41 C7 00 00 70 ; REX to access upper reg. O16 for 16-bit operand size

12
gas/testsuite/gas/i386/x86-64-segment.l Normal file
View file

@ -0,0 +1,12 @@
1 .psize 0
2 .text
3 # test segment reg insns with memory operand
4 0000 8C18 movw %ds,\(%rax\)
5 0002 8C18 mov %ds,\(%rax\)
6 0004 8E18 movw \(%rax\),%ds
7 0006 8E18 mov \(%rax\),%ds
8 # test segment reg insns with REX
9 0008 488CD8 movq %ds,%rax
10 000b 488ED8 movq %rax,%ds
11 # Force a good alignment.
12 000e 0000 .p2align 4,0

12
gas/testsuite/gas/i386/x86-64-segment.s Normal file
View file

@ -0,0 +1,12 @@
.psize 0
.text
# test segment reg insns with memory operand
movw %ds,(%rax)
mov %ds,(%rax)
movw (%rax),%ds
mov (%rax),%ds
# test segment reg insns with REX
movq %ds,%rax
movq %rax,%ds
# Force a good alignment.
.p2align 4,0

6
include/opcode/ChangeLog
View file

@ -1,3 +1,9 @@
2005-03-29 H.J. Lu <hongjiu.lu@intel.com>
* i386.h (i386_optab): Don't allow the `l' suffix for moving
moving between memory and segment register. Allow movq for
moving between general-purpose register and segment register.
2005-02-09 Jan Beulich <jbeulich@novell.com>
PR gas/707

14
include/opcode/i386.h
View file

@ -98,11 +98,13 @@ static const template i386_optab[] =
are set to an implementation defined value (on the Pentium Pro,
the implementation defined value is zero). */
{ "mov", 2, 0x8c, X, 0, wl_Suf|Modrm, { SReg2, WordReg|InvMem, 0 } },
{ "mov", 2, 0x8c, X, 0, wl_Suf|Modrm|IgnoreSize, { SReg2, WordMem, 0 } },
{ "mov", 2, 0x8c, X, 0, w_Suf|Modrm|IgnoreSize, { SReg2, WordMem, 0 } },
{ "mov", 2, 0x8c, X, Cpu386, wl_Suf|Modrm, { SReg3, WordReg|InvMem, 0 } },
{ "mov", 2, 0x8c, X, Cpu386, wl_Suf|Modrm|IgnoreSize, { SReg3, WordMem, 0 } },
{ "mov", 2, 0x8e, X, 0, wl_Suf|Modrm|IgnoreSize, { WordReg|WordMem, SReg2, 0 } },
{ "mov", 2, 0x8e, X, Cpu386, wl_Suf|Modrm|IgnoreSize, { WordReg|WordMem, SReg3, 0 } },
{ "mov", 2, 0x8c, X, Cpu386, w_Suf|Modrm|IgnoreSize, { SReg3, WordMem, 0 } },
{ "mov", 2, 0x8e, X, 0, wl_Suf|Modrm|IgnoreSize, { WordReg, SReg2, 0 } },
{ "mov", 2, 0x8e, X, 0, w_Suf|Modrm|IgnoreSize, { WordMem, SReg2, 0 } },
{ "mov", 2, 0x8e, X, Cpu386, wl_Suf|Modrm|IgnoreSize, { WordReg, SReg3, 0 } },
{ "mov", 2, 0x8e, X, Cpu386, w_Suf|Modrm|IgnoreSize, { WordMem, SReg3, 0 } },
/* Move to/from control debug registers. In the 16 or 32bit modes they are 32bit. In the 64bit
mode they are 64bit.*/
{ "mov", 2, 0x0f20, X, Cpu386|CpuNo64, l_Suf|D|Modrm|IgnoreSize,{ Control, Reg32|InvMem, 0} },
@ -1003,6 +1005,10 @@ static const template i386_optab[] =
{"movq", 2, 0x88, X, Cpu64, NoSuf|D|W|Modrm|Size64,{ Reg64, Reg64|AnyMem, 0 } },
{"movq", 2, 0xc6, 0, Cpu64, NoSuf|W|Modrm|Size64, { Imm32S, Reg64|WordMem, 0 } },
{"movq", 2, 0xb0, X, Cpu64, NoSuf|W|ShortForm|Size64,{ Imm64, Reg64, 0 } },
/* The segment register moves accept Reg64 so that a segment register
can be copied to a 64 bit register, and vice versa. */
{"movq", 2, 0x8c, X, Cpu64, NoSuf|Modrm|Size64, { SReg2|SReg3, Reg64|InvMem, 0 } },
{"movq", 2, 0x8e, X, Cpu64, NoSuf|Modrm|Size64, { Reg64, SReg2|SReg3, 0 } },
/* Move to/from control debug registers. In the 16 or 32bit modes they are 32bit. In the 64bit
mode they are 64bit.*/
{"movq", 2, 0x0f20, X, Cpu64, NoSuf|D|Modrm|IgnoreSize|NoRex64|Size64,{ Control, Reg64|InvMem, 0} },

6
opcodes/ChangeLog
View file

@ -1,3 +1,9 @@
2005-03-29 H.J. Lu <hongjiu.lu@intel.com>
* i386-dis.c (SEG_Fixup): New.
(Sv): New.
(dis386): Use "Sv" for 0x8c and 0x8e.
2005-03-21 Jan-Benedict Glaw <jbglaw@lug-owl.de>
Nick Clifton <nickc@redhat.com>

55
opcodes/i386-dis.c
View file

@ -97,6 +97,7 @@ static void SIMD_Fixup (int, int);
static void PNI_Fixup (int, int);
static void INVLPG_Fixup (int, int);
static void BadOp (void);
static void SEG_Fixup (int, int);
struct dis_private {
/* Points to first byte not fetched. */
@ -221,6 +222,7 @@ fetch_data (struct disassemble_info *info, bfd_byte *addr)
#define Cm OP_C, m_mode
#define Dm OP_D, m_mode
#define Td OP_T, d_mode
#define Sv SEG_Fixup, v_mode
#define RMeAX OP_REG, eAX_reg
#define RMeBX OP_REG, eBX_reg
@ -642,9 +644,9 @@ static const struct dis386 dis386[] = {
{ "movS", Ev, Gv, XX },
{ "movB", Gb, Eb, XX },
{ "movS", Gv, Ev, XX },
{ "movQ", Ev, Sw, XX },
{ "movQ", Sv, Sw, XX },
{ "leaS", Gv, M, XX },
{ "movQ", Sw, Ev, XX },
{ "movQ", Sw, Sv, XX },
{ "popU", Ev, XX, XX },
/* 90 */
{ "nop", NOP_Fixup, 0, XX, XX },
@ -4411,3 +4413,52 @@ BadOp (void)
codep = insn_codep + 1;
oappend ("(bad)");
}
static void
SEG_Fixup (int extrachar, int sizeflag)
{
if (mod == 3)
{
/* We need to add a proper suffix with
movw %ds,%ax
movl %ds,%eax
movq %ds,%rax
movw %ax,%ds
movl %eax,%ds
movq %rax,%ds
*/
const char *suffix;
if (prefixes & PREFIX_DATA)
suffix = "w";
else
{
USED_REX (REX_MODE64);
if (rex & REX_MODE64)
suffix = "q";
else
suffix = "l";
}
strcat (obuf, suffix);
}
else
{
/* We need to fix the suffix for
movw %ds,(%eax)
movw %ds,(%rax)
movw (%eax),%ds
movw (%rax),%ds
Override "mov[l|q]". */
char *p = obuf + strlen (obuf) - 1;
/* We might not have a suffix. */
if (*p == 'v')
++p;
*p = 'w';
}
OP_E (extrachar, sizeflag);
}