COMMENT @
<copyright>
This file is provided under a dual BSD/GPLv2 license. When using or
redistributing this file, you may do so under either license.
GPL LICENSE SUMMARY
Copyright (c) 2017-2020 Intel Corporation. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of version 2 of the GNU General Public License as
published by the Free Software Foundation.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
The full GNU General Public License is included in this distribution
in the file called LICENSE.GPL.
Contact Information:
http://software.intel.com/en-us/articles/intel-vtune-amplifier-xe/
BSD LICENSE
Copyright (c) 2017-2020 Intel Corporation. All rights reserved.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
* Neither the name of Intel Corporation nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
</copyright>
@
;;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; ;;; Intel Processor Trace Marker Functionality
;;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.686p
.xmm
.model FLAT
_TEXT segment
public ___itt_pt_mark
public ___itt_pt_event
public ___itt_pt_mark_event
public ___itt_pt_mark_threshold
public ___itt_pt_write
public ___itt_pt_byte
align 10h
;;; void __itt_pt_mark(unsigned char index);
___itt_pt_mark proc near
movzx eax,byte ptr [esp + 4]
lea eax,__itt_pt_mark_call_table[eax * 4]
jmp eax
align 04h
dd 0, 1, 2, 3 ;;; GUID
dd 0fadefadeh ;;; magic marker
__itt_pt_mark_call_table:
dd 256 dup(0000c2c3h OR (( $ - offset __itt_pt_mark_call_table) SHL 14))
___itt_pt_mark endp
___itt_pt_byte proc near
mov ecx,[esp + 4]
___itt_pt_byte_::
and ecx,0ffh
lea ecx,__itt_pt_byte_call_table[ecx]
jmp ecx
align 04h
dd 0, 1, 2, 3 ;;; GUID
dd 0fadedeafh ;;; magic marker
__itt_pt_byte_call_table:
db 256 dup(0c3h)
___itt_pt_byte endp
align 10h
___itt_pt_event proc near
push ecx
mov ecx,[esp + 8]
rdpmc
mov cl,al
call ___itt_pt_byte_
mov cl,ah
call ___itt_pt_byte_
shr eax,16
mov cl,al
call ___itt_pt_byte_
mov cl,ah
call ___itt_pt_byte_
mov cl,dl
call ___itt_pt_byte_
mov cl,dh
call ___itt_pt_byte_
shr edx,16
mov cl,dl
call ___itt_pt_byte_
mov cl,dh
call ___itt_pt_byte_
pop ecx
ret
___itt_pt_event endp
align 10h
___itt_pt_mark_event proc near
test byte ptr [esp + 4],1
jnz odd
push 0
call ___itt_pt_event
add esp,4
jmp ___itt_pt_mark
odd:
push dword ptr [esp + 4]
call ___itt_pt_mark
add esp,4
mov dword ptr [esp + 4],0
jmp ___itt_pt_event
___itt_pt_mark_event endp
align 10h
___itt_pt_flush proc near
lea eax,offset __itt_pt_mark_flush_1
jmp eax
align 10h
nop
__itt_pt_mark_flush_1:
lea eax,offset __itt_pt_mark_flush_2
jmp eax
align 10h
nop
nop
__itt_pt_mark_flush_2:
lea eax,offset __itt_pt_mark_flush_3
jmp eax
align 10h
nop
nop
nop
__itt_pt_mark_flush_3:
ret
___itt_pt_flush endp
align 10h
;;; int __itt_pt_mark_threshold(unsigned char index, unsigned long long* tmp, int threshold);
___itt_pt_mark_threshold proc near
test byte ptr [esp + 4],1 ;;; index
jnz mark_end
mark_begin:
mov ecx,(1 SHL 30) + 1
rdpmc
mov ecx,[esp + 8] ;;; tmp
mov [ecx + 0],eax
mov [ecx + 4],edx
jmp ___itt_pt_mark
mark_end:
mov ecx,(1 SHL 30) + 1
rdpmc
mov ecx,[esp + 8] ;;; tmp
sub eax,[ecx + 0]
sbb edx,[ecx + 4]
or edx,edx
jnz found
cmp edx,[esp + 12] ;;; threshold
jnc found
jmp ___itt_pt_mark
found:
call ___itt_pt_mark
jmp ___itt_pt_flush
___itt_pt_mark_threshold endp
;;; PTWRITE
align 10h
;;; void __itt_pt_write(unsigned long long value);
dd 0, 1, 2, 3 ;;; GUID
___itt_pt_write proc
;;; ptwrite dword ptr [esp + 4]
db 0F3h, 0Fh, 0AEh, 64h, 24h, 04h
ret
___itt_pt_write endp
;;;
_TEXT ends
end