wip: allow contracts to build custom profile

[matklad]

Ad hoc (at the moment) code to profile aurora from-within EVM. Used like this:

matklad/sputnikvm@985e566

Results for uniswap:

001 -> 4694185815396
002 -> 656643209112
003 -> 1882682112828
004 -> 862992059424
005 -> 66117494916
006 -> 178600581456
007 -> 87746927400
009 -> 662333389608
010 -> 304692874992
011 -> 750543528636
016 -> 1077380881368
017 -> 803817802392
018 -> 516519634752
019 -> 226547510112
020 -> 598346009976
021 -> 2987946195036
022 -> 3210258157260
023 -> 395289006420
025 -> 232555274424
027 -> 1936934643468
028 -> 1083443770332
029 -> 86362229052
053 -> 2323583066376
054 -> 63125954100
055 -> 76389603576
080 -> 70228806648
081 -> 2823938836752
082 -> 3207423762840
086 -> 1989657670704
087 -> 4404193944612
096 -> 2126280418284
097 -> 1583968205688
098 -> 64532866860
099 -> 86665826016
100 -> 22725343476
102 -> 16016591052
103 -> 31988753280
104 -> 2510228556
105 -> 2621300616
106 -> 2732372676
108 -> 11818067184
111 -> 25102285560
112 -> 8308190088
115 -> 172318016640
119 -> 2473204536
123 -> 15550088400
126 -> 2954516796
127 -> 100412433264
128 -> 496817919576
129 -> 617542552968
130 -> 519800785680
131 -> 385117273992
132 -> 260135701056
133 -> 151328688324
134 -> 119729098632
135 -> 57641462604
136 -> 27153416268
137 -> 35569387392
138 -> 25883081004
139 -> 24136370016
140 -> 15720398892
141 -> 20007780408
142 -> 4287381516
143 -> 5716508688
144 -> 573852563856
145 -> 324223456920
146 -> 175804033812
147 -> 76082715588
148 -> 54510876024
149 -> 31388964156
150 -> 16275759192
151 -> 16275759192
152 -> 5812771140
153 -> 3487662684
154 -> 3487662684
155 -> 3487662684
156 -> 4650216912
157 -> 1162554228
158 -> 1162554228
243 -> 59419438320
------------------------------

NEAR_GAS_WASM 111193290628332

The total amount spent on all opcodes is 46657131921576 (slightly less than half of total) The costliest opcodes are ADD (4694185815396) and JUMPI (4404193944612).

[stale]

This PR has been automatically marked as stale because it has not had recent activity in the 2 weeks.
It will be closed in 3 days if no further activity occurs.
Thank you for your contributions.