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chromium/external/github.com/intel/ittapi/HEAD/./src/ittnotify/ittptmark32.S
blob: f8ee3c164168de46dc153e5a6f28ed12f5c45748 [file] [log] [blame]
/*
Copyright (C) 2017-2025 Intel Corporation
SPDX-License-Identifier: GPL-2.0-only OR BSD-3-Clause
*/
// /////////////////////////////////////////////////////////////////////////
////// Intel Processor Trace Marker Functionality
////////////////////////////////////////////////////////////////////////////
.text
.align 16
.globl __itt_pt_mark
.globl __itt_pt_event
.globl __itt_pt_mark_event
.globl __itt_pt_mark_threshold
.globl __itt_pt_byte
.globl __itt_pt_write
/// void __itt_pt_mark(unsigned char index);
__itt_pt_mark:
movzbl 4(%esp), %eax
// and $0xff, %eax
lea __itt_pt_mark_call_table(,%eax,4), %eax
jmp *%eax
.align 4
.long 0, 1, 2, 3 // GUID
.long 0xfadefade
__itt_pt_mark_call_table:
/// .fill 256,4,(0x0000c2c3 | (( . - __itt_pt_mark_call_table) << 14))
ret
ret $0x0
ret
ret $0x1
ret
ret $0x2
ret
ret $0x3
ret
ret $0x4
ret
ret $0x5
ret
ret $0x6
ret
ret $0x7
ret
ret $0x8
ret
ret $0x9
ret
ret $0xa
ret
ret $0xb
ret
ret $0xc
ret
ret $0xd
ret
ret $0xe
ret
ret $0xf
ret
ret $0x10
ret
ret $0x11
ret
ret $0x12
ret
ret $0x13
ret
ret $0x14
ret
ret $0x15
ret
ret $0x16
ret
ret $0x17
ret
ret $0x18
ret
ret $0x19
ret
ret $0x1a
ret
ret $0x1b
ret
ret $0x1c
ret
ret $0x1d
ret
ret $0x1e
ret
ret $0x1f
ret
ret $0x20
ret
ret $0x21
ret
ret $0x22
ret
ret $0x23
ret
ret $0x24
ret
ret $0x25
ret
ret $0x26
ret
ret $0x27
ret
ret $0x28
ret
ret $0x29
ret
ret $0x2a
ret
ret $0x2b
ret
ret $0x2c
ret
ret $0x2d
ret
ret $0x2e
ret
ret $0x2f
ret
ret $0x30
ret
ret $0x31
ret
ret $0x32
ret
ret $0x33
ret
ret $0x34
ret
ret $0x35
ret
ret $0x36
ret
ret $0x37
ret
ret $0x38
ret
ret $0x39
ret
ret $0x3a
ret
ret $0x3b
ret
ret $0x3c
ret
ret $0x3d
ret
ret $0x3e
ret
ret $0x3f
ret
ret $0x40
ret
ret $0x41
ret
ret $0x42
ret
ret $0x43
ret
ret $0x44
ret
ret $0x45
ret
ret $0x46
ret
ret $0x47
ret
ret $0x48
ret
ret $0x49
ret
ret $0x4a
ret
ret $0x4b
ret
ret $0x4c
ret
ret $0x4d
ret
ret $0x4e
ret
ret $0x4f
ret
ret $0x50
ret
ret $0x51
ret
ret $0x52
ret
ret $0x53
ret
ret $0x54
ret
ret $0x55
ret
ret $0x56
ret
ret $0x57
ret
ret $0x58
ret
ret $0x59
ret
ret $0x5a
ret
ret $0x5b
ret
ret $0x5c
ret
ret $0x5d
ret
ret $0x5e
ret
ret $0x5f
ret
ret $0x60
ret
ret $0x61
ret
ret $0x62
ret
ret $0x63
ret
ret $0x64
ret
ret $0x65
ret
ret $0x66
ret
ret $0x67
ret
ret $0x68
ret
ret $0x69
ret
ret $0x6a
ret
ret $0x6b
ret
ret $0x6c
ret
ret $0x6d
ret
ret $0x6e
ret
ret $0x6f
ret
ret $0x70
ret
ret $0x71
ret
ret $0x72
ret
ret $0x73
ret
ret $0x74
ret
ret $0x75
ret
ret $0x76
ret
ret $0x77
ret
ret $0x78
ret
ret $0x79
ret
ret $0x7a
ret
ret $0x7b
ret
ret $0x7c
ret
ret $0x7d
ret
ret $0x7e
ret
ret $0x7f
ret
ret $0x80
ret
ret $0x81
ret
ret $0x82
ret
ret $0x83
ret
ret $0x84
ret
ret $0x85
ret
ret $0x86
ret
ret $0x87
ret
ret $0x88
ret
ret $0x89
ret
ret $0x8a
ret
ret $0x8b
ret
ret $0x8c
ret
ret $0x8d
ret
ret $0x8e
ret
ret $0x8f
ret
ret $0x90
ret
ret $0x91
ret
ret $0x92
ret
ret $0x93
ret
ret $0x94
ret
ret $0x95
ret
ret $0x96
ret
ret $0x97
ret
ret $0x98
ret
ret $0x99
ret
ret $0x9a
ret
ret $0x9b
ret
ret $0x9c
ret
ret $0x9d
ret
ret $0x9e
ret
ret $0x9f
ret
ret $0xa0
ret
ret $0xa1
ret
ret $0xa2
ret
ret $0xa3
ret
ret $0xa4
ret
ret $0xa5
ret
ret $0xa6
ret
ret $0xa7
ret
ret $0xa8
ret
ret $0xa9
ret
ret $0xaa
ret
ret $0xab
ret
ret $0xac
ret
ret $0xad
ret
ret $0xae
ret
ret $0xaf
ret
ret $0xb0
ret
ret $0xb1
ret
ret $0xb2
ret
ret $0xb3
ret
ret $0xb4
ret
ret $0xb5
ret
ret $0xb6
ret
ret $0xb7
ret
ret $0xb8
ret
ret $0xb9
ret
ret $0xba
ret
ret $0xbb
ret
ret $0xbc
ret
ret $0xbd
ret
ret $0xbe
ret
ret $0xbf
ret
ret $0xc0
ret
ret $0xc1
ret
ret $0xc2
ret
ret $0xc3
ret
ret $0xc4
ret
ret $0xc5
ret
ret $0xc6
ret
ret $0xc7
ret
ret $0xc8
ret
ret $0xc9
ret
ret $0xca
ret
ret $0xcb
ret
ret $0xcc
ret
ret $0xcd
ret
ret $0xce
ret
ret $0xcf
ret
ret $0xd0
ret
ret $0xd1
ret
ret $0xd2
ret
ret $0xd3
ret
ret $0xd4
ret
ret $0xd5
ret
ret $0xd6
ret
ret $0xd7
ret
ret $0xd8
ret
ret $0xd9
ret
ret $0xda
ret
ret $0xdb
ret
ret $0xdc
ret
ret $0xdd
ret
ret $0xde
ret
ret $0xdf
ret
ret $0xe0
ret
ret $0xe1
ret
ret $0xe2
ret
ret $0xe3
ret
ret $0xe4
ret
ret $0xe5
ret
ret $0xe6
ret
ret $0xe7
ret
ret $0xe8
ret
ret $0xe9
ret
ret $0xea
ret
ret $0xeb
ret
ret $0xec
ret
ret $0xed
ret
ret $0xee
ret
ret $0xef
ret
ret $0xf0
ret
ret $0xf1
ret
ret $0xf2
ret
ret $0xf3
ret
ret $0xf4
ret
ret $0xf5
ret
ret $0xf6
ret
ret $0xf7
ret
ret $0xf8
ret
ret $0xf9
ret
ret $0xfa
ret
ret $0xfb
ret
ret $0xfc
ret
ret $0xfd
ret
ret $0xfe
ret
ret $0xff
.align 16
__itt_pt_byte:
movl 4(%esp), %ecx
__itt_pt_byte_:
and $0xff, %ecx
lea __itt_pt_byte_call_table(,%ecx,1), %ecx
jmp *%ecx
.align 4
.long 0, 1, 2, 3 // GUID
.long 0xfadedeaf
__itt_pt_byte_call_table:
.fill 256,1,0xc3
.align 16
__itt_pt_event:
push %ecx
mov 8(%esp), %ecx
rdpmc
mov %al,%cl
call __itt_pt_byte_
shr $8,%eax
mov %al,%cl
call __itt_pt_byte_
shr $8,%eax
mov %al,%cl
call __itt_pt_byte_
shr $8,%eax
mov %al,%cl
call __itt_pt_byte_
mov %dl,%cl
call __itt_pt_byte_
shr $8,%edx
mov %dl,%cl
call __itt_pt_byte_
shr $8,%edx
mov %dl,%cl
call __itt_pt_byte_
shr $8,%edx
mov %dl,%cl
call __itt_pt_byte_
pop %ecx
ret
.align 16
__itt_pt_mark_event:
testl $1,4(%esp)
jnz odd
pushl $0
call __itt_pt_event
add $2,%esp
jmp __itt_pt_mark
odd:
pushl 4(%esp)
call __itt_pt_mark
add $2,%esp
movl $0,4(%esp)
jmp __itt_pt_event
.align 16
__itt_pt_flush:
lea __itt_pt_mark_flush_1,%eax
jmp *%eax
.align 16
nop
__itt_pt_mark_flush_1:
lea __itt_pt_mark_flush_2,%eax
jmp *%eax
.align 16
nop
nop
__itt_pt_mark_flush_2:
lea __itt_pt_mark_flush_3,%eax
jmp *%eax
.align 16
nop
nop
nop
__itt_pt_mark_flush_3:
ret
.align 16
// int __itt_pt_mark_threshold(unsigned char index, unsigned long long* tmp, int threshold);
__itt_pt_mark_threshold:
// 4(%esp) == index
// 8(%esp) == tmp
// 12(%esp) == threshold
xor %edx,%edx
xor %eax,%eax
testl $1,4(%esp)
jnz mark_end
mark_begin:
mov $((1 << 30) + 1),%ecx
rdpmc
mov 8(%esp), %ecx
mov %eax, (%ecx)
mov %edx,4(%ecx)
jmp __itt_pt_mark
mark_end:
mov $((1 << 30) + 1),%ecx
rdpmc
mov 8(%esp), %ecx
sub (%ecx), %eax
sbb 4(%ecx), %edx
sub 12(%esp), %eax // threshold
jnc found
sbb $0, %edx
jnc found
jmp __itt_pt_mark
found:
call __itt_pt_mark
jmp __itt_pt_flush
// PTWRITE
.align 16
// void __itt_pt_write(unsigned long long value);
.long 0, 1, 2, 3 // GUID
__itt_pt_write:
// ptwrite dword ptr [esp + 4]
.byte 0xF3, 0x0F, 0xAE, 0x64, 0x24, 0x04
ret
// Ensure the stack is non-executable
#if defined(__ELF__)
.section .note.GNU-stack,"",@progbits
#endif