Import Traceline, a Windows performance trace event logger.

tools/traceline/traceline/stubs.asm

Index: tools/traceline/traceline/stubs.asm
diff --git a/tools/traceline/traceline/stubs.asm b/tools/traceline/traceline/stubs.asm
new file mode 100755
index 0000000000000000000000000000000000000000..d556b6bba59f90e491ee671565f6008c98a83a29
--- /dev/null
+++ b/tools/traceline/traceline/stubs.asm
@@ -0,0 +1,132 @@
+; Copyright (c) 2009 The Chromium Authors. All rights reserved.
+; Use of this source code is governed by a BSD-style license that can be
+; found in the LICENSE file.
+
+; This file is just a convenient place for experimenting with x86 encodings.
+
+BITS 32
+
+; sldt to detect which processor we are running on.
+sldt eax
+sidt [esp]
+sidt [esp+2]
+
+lea eax, [fs:0]
+
+mov eax, [fs:0x18]
+
+mov ebx, 0x1234567
+mov eax, 0x1234567
+
+rdtsc
+
+push eax
+pop eax
+
+mov eax, [ecx]
+mov eax, [esp+4]
+mov ebx, [esp+4]
+
+lock xadd [eax], eax
+lock xadd [ecx], ecx
+lock xadd [ecx], eax
+
+jmp eax
+jmp edx
+
+lodsd
+
+rep stosb
+
+rep movsb
+
+mov eax, ebx
+mov edx, edx
+
+mov eax, eax
+
+stosd
+
+add eax, eax
+add edi, ecx
+
+and eax, 0x0000ffff
+and ecx, 0x0000ffff
+and edx, 0x0000ffff
+
+add edi, 0x12345
+add eax, 0x12345
+add ecx, 0x12345
+
+push 0x12
+push BYTE 0x12
+
+mov eax, [ebp+8]
+
+mov eax, 0x1234
+mov [fs:0], eax
+
+call 0x1234
+
+call eax
+call ecx
+
+add ebx, BYTE 3
+or ecx, 0xffff
+or eax, 0xffff
+
+mov eax, [esp+24]
+
+movsd
+movsb
+
+jmp blah
+blah:
+jmp blah
+
+cmp eax, 0x1234567
+cmp ecx, 0x1234567
+je NEAR blah2
+jo NEAR blah2
+blah2:
+
+add esp, 12
+add esp, BYTE 12
+sub esp, BYTE 12
+
+cmp eax, 12
+cmp ecx, BYTE 12
+
+cmp WORD [esp+6], 0x6666
+
+push DWORD [edi-4]
+push DWORD [edi-8]
+push DWORD [edi-12]
+push DWORD [edi-16]
+push DWORD [edi-20]
+
+x:
+loop x
+
+mov edx, [fs:0x4]
+
+cmp ecx, ecx
+cmp ecx, ebx
+cmp ebx, ebx
+
+mov eax,[dword fs:0x24]
+mov eax,[fs:0x24]
+
+mov ecx,[dword fs:0x24]
+mov ecx,[fs:0x24]
+
+mov eax, [ebx+12]
+mov ebx, [ebx+12]
+
+cmovo eax, eax
+
+mov eax, eax
+
+xchg eax, ebx
+xchg ebx, ecx
+xchg ebx, [esp+4]