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
;;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
_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
and rcx,0ffh
lea r10,offset __itt_pt_mark_call_table
lea rcx,[r10 + rcx * 4]
jmp rcx
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
align 10h
__itt_pt_byte proc
and rcx,0ffh
lea r10,offset __itt_pt_byte_call_table
add rcx,r10
jmp rcx
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
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
ret
__itt_pt_event endp
align 10h
__itt_pt_mark_event proc
test rcx,1
jnz odd
mov r8,rcx
xor rcx,rcx
call __itt_pt_event
mov rcx,r8
jmp __itt_pt_mark
odd:
call __itt_pt_mark
xor rcx,rcx
jmp __itt_pt_event
__itt_pt_mark_event endp
align 10h
__itt_pt_flush proc
lea rax,offset __itt_pt_mark_flush_1
jmp rax
align 10h
nop
__itt_pt_mark_flush_1:
lea rax,offset __itt_pt_mark_flush_2
jmp rax
align 10h
nop
nop
__itt_pt_mark_flush_2:
lea rax,offset __itt_pt_mark_flush_3
jmp rax
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
mov r9,rcx ;;; index
mov r10,rdx ;;; tmp
xor rdx,rdx
xor rax,rax
test rcx,1
jnz mark_end
mark_begin:
mov rcx,(1 SHL 30) + 1
rdpmc
shl rdx,32
or rdx,rax
mov [r10],rdx
mov rcx,r9
jmp __itt_pt_mark
mark_end:
mov rcx,(1 SHL 30) + 1
rdpmc
shl rdx,32
or rdx,rax
sub rdx,[r10]
cmp rdx,r8 ;;; threshold
mov rcx,r9
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 rcx
db 0F3h, 48h, 0Fh, 0AEh, 0E1h
ret
__itt_pt_write endp
;;;
_TEXT ends
end