# new data structure: a slice is an open interval of addresses [start, end) # that includes 'start' but not 'end' == code # instruction effective address register displacement immediate # . op subop mod rm32 base index scale r32 # . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes slice-empty?: # s: (addr slice) -> result/eax: boolean # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # . save registers 51/push-ecx # ecx = s 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 1/r32/ecx 8/disp8 . # copy *(ebp+8) to ecx # if (s->start >= s->end) return true # . eax = s->start 8b/copy 0/mod/indirect 1/rm32/ecx . . . 0/r32/eax . . # copy *ecx to eax # . if (eax >= s->end) return true 3b/compare 1/mod/*+disp8 1/rm32/ecx . . . 0/r32/eax 4/disp8 . # compare eax with *(ecx+4) b8/copy-to-eax 1/imm32/true 73/jump-if-addr>= $slice-empty?:end/disp8 b8/copy-to-eax 0/imm32/false $slice-empty?:end: # . restore registers 59/pop-to-ecx # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return test-slice-empty-true: # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # var slice/ecx: slice = {34, 34} 68/push 34/imm32/end 68/push 34/imm32/start 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx # slice-empty?(slice) # . . push args 51/push-ecx # . . call e8/call slice-empty?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp # check-ints-equal(eax, 1, msg) # . . push args 68/push "F - test-slice-empty-true"/imm32 68/push 1/imm32 50/push-eax # . . call e8/call check-ints-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return test-slice-empty-false: # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # var slice/ecx: slice = {32, 34} 68/push 34/imm32/end 68/push 32/imm32/start 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx # slice-empty?(slice) # . . push args 51/push-ecx # . . call e8/call slice-empty?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp # check-ints-equal(eax, 0, msg) # . . push args 68/push "F - test-slice-empty-false"/imm32 68/push 0/imm32 50/push-eax # . . call e8/call check-ints-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return test-slice-empty-if-start-greater-than-end: # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # var slice/ecx: slice = {34, 32} 68/push 32/imm32/end 68/push 34/imm32/start 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx # slice-empty?(slice) # . . push args 51/push-ecx # . . call e8/call slice-empty?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp # check-ints-equal(eax, 1, msg) # . . push args 68/push "F - test-slice-empty-if-start-greater-than-end"/imm32 68/push 1/imm32 50/push-eax # . . call e8/call check-ints-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return slice-equal?: # s: (addr slice), p: (addr array byte) -> result/eax: boolean # pseudocode: # if (p == 0) return (s == 0) # currs = s->start # maxs = s->end # if (maxs - currs != p->size) return false # currp = p->data # while currs < maxs # if (*currs != *currp) return false # ++currs # ++currp # return true # # registers: # currs: edx # maxs: esi # currp: ebx # *currs: eax # *currp: ecx # # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # . save registers 51/push-ecx 52/push-edx 53/push-ebx 56/push-esi # esi = s 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 8/disp8 . # copy *(ebp+8) to esi # var currs/edx: (addr byte) = s->start 8b/copy 0/mod/indirect 6/rm32/esi . . . 2/r32/edx . . # copy *esi to edx # var maxs/esi: (addr byte) = s->end 8b/copy 1/mod/*+disp8 6/rm32/esi . . . 6/r32/esi 4/disp8 . # copy *(esi+4) to esi # var ssize/eax: int = maxs - currs 89/copy 3/mod/direct 0/rm32/eax . . . 6/r32/esi . . # copy esi to eax 29/subtract 3/mod/direct 0/rm32/eax . . . 2/r32/edx . . # subtract edx from eax # ebx = p 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 3/r32/ebx 0xc/disp8 . # copy *(ebp+12) to ebx # if (p != 0) goto next check 81 7/subop/compare 3/mod/direct 3/rm32/ebx . . . . . 0/imm32 # compare ebx 
# Binds are of the form <key sequence> = <command to run>
# To use '=' in a key sequence, substitute it with "Eq": "<Ctrl+Eq>"
# If you wish to bind #, you can wrap the key sequence in quotes: "#" = quit
q = :quit<Enter>
<C-p> = :prev-tab<Enter>
<C-n> = :next-tab<Enter>
<C-t> = :term<Enter>

[messages]
j = :next-message<Enter>
<Down> = :next-message<Enter>
<C-d> = :next-message 50%<Enter>
<C-f> = :next-message 100%<Enter>
<PgDn> = :next-message -s 100%<Enter>

k = :prev-message<Enter>
<Up> = :prev-message<Enter>
<C-u> = :prev-message 50%<Enter>
<C-b> = :prev-message 100%<Enter>
<PgUp> = :prev-message -s 100%<Enter>
g = :select-message 0<Enter>
G = :select-message -1<Enter>

J = :next-folder<Enter>
K = :prev-folder<Enter>

<Enter> = :view-message<Enter>
d = :confirm 'Really delete this message?' ':delete-message<Enter>'<Enter>
D = :delete-message<Enter>

c = :cf<space>
$ = :term<space>
| = :pipe<space>

[view]
q = :close<Enter>
| = :pipe<space>
r = :reply<Enter>
a = :reply -a<Enter>
f = :forward<Enter>

[terminal]
$noinherit = true
$ex = <semicolon>

<C-p> = :prev-tab<Enter>
<C-n> = :next-tab<Enter>
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2025-01-04 05:50:32 +0000
. . 4/r32/esp . . # copy esp to ecx # eax = slice-equal?(ecx, "Abc") # . . push args 68/push "Abc"/imm32 51/push-ecx # . . call e8/call slice-equal?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # check-ints-equal(eax, 0, msg) # . . push args 68/push "F - test-slice-equal-too-long"/imm32 68/push 0/imm32 50/push-eax # . . call e8/call check-ints-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return test-slice-equal-too-short: # - slice-equal?(slice("A"), "Abc") == 0 # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # (eax..ecx) = "A" b8/copy-to-eax "A"/imm32 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx 05/add-to-eax 4/imm32 # var slice/ecx: slice = {eax, ecx} 51/push-ecx 50/push-eax 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx # eax = slice-equal?(ecx, "Abc") # . . push args 68/push "Abc"/imm32 51/push-ecx # . . call e8/call slice-equal?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # check-ints-equal(eax, 0, msg) # . . push args 68/push "F - test-slice-equal-too-short"/imm32 68/push 0/imm32 50/push-eax # . . call e8/call check-ints-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return test-slice-equal-empty: # - slice-equal?(slice(""), "Abc") == 0 # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # var slice/ecx: slice 68/push 0/imm32/end 68/push 0/imm32/start 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx # eax = slice-equal?(ecx, "Abc") # . . push args 68/push "Abc"/imm32 51/push-ecx # . . call e8/call slice-equal?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # check-ints-equal(eax, 0, msg) # . . push args 68/push "F - test-slice-equal-empty"/imm32 68/push 0/imm32 50/push-eax # . . call e8/call check-ints-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return test-slice-equal-with-empty: # - slice-equal?(slice("Ab"), "") == 0 # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # (eax..ecx) = "Ab" b8/copy-to-eax "Ab"/imm32 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx 05/add-to-eax 4/imm32 # var slice/ecx: slice = {eax, ecx} 51/push-ecx 50/push-eax 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx # eax = slice-equal?(ecx, "") # . . push args 68/push ""/imm32 51/push-ecx # . . call e8/call slice-equal?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # check-ints-equal(eax, 0, msg) # . . push args 68/push "F - test-slice-equal-with-empty"/imm32 68/push 0/imm32 50/push-eax # . . call e8/call check-ints-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return test-slice-equal-empty-with-empty: # - slice-equal?(slice(""), "") == 1 # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # var slice/ecx: slice 68/push 0/imm32/end 68/push 0/imm32/start 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx # eax = slice-equal?(ecx, "") # . . push args 68/push ""/imm32 51/push-ecx # . . call e8/call slice-equal?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # check-ints-equal(eax, 1, msg) # . . push args 68/push "F - test-slice-equal-empty-with-empty"/imm32 68/push 1/imm32 50/push-eax # . . call e8/call check-ints-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return test-slice-equal-with-null: # - slice-equal?(slice("Ab"), null) == 0 # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # (eax..ecx) = "Ab" b8/copy-to-eax "Ab"/imm32 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx 05/add-to-eax 4/imm32 # var slice/ecx: slice = {eax, ecx} 51/push-ecx 50/push-eax 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx # eax = slice-equal?(ecx, 0) # . . push args 68/push 0/imm32 51/push-ecx # . . call e8/call slice-equal?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # check-ints-equal(eax, 0, msg) # . . push args 68/push "F - test-slice-equal-with-null"/imm32 68/push 0/imm32 50/push-eax # . . call e8/call check-ints-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return slice-starts-with?: # s: (addr slice), head: (addr array byte) -> result/eax: boolean # pseudocode # hsize = head->size # if (hsize > s->end - s->start) return false # i = 0 # currs = s->start # currp = head->data # while i < hsize # if (*currs != *currh) return false # ++i # ++currs # ++currh # return true # # registers: # currs: esi # currh: edi # *currs: eax # *currh: ebx # i: ecx # hsize: edx # # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # . save registers 51/push-ecx 52/push-edx 53/push-ebx 56/push-esi 57/push-edi # esi = s 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 8/disp8 . # copy *(ebp+8) to esi # var lens/ecx: int = s->end - s->start 8b/copy 1/mod/*+disp8 6/rm32/esi . . . 1/r32/ecx 4/disp8 . # copy *(esi+4) to ecx 2b/subtract 0/mod/indirect 6/rm32/esi . . . 1/r32/ecx . . # subtract *esi from ecx # edi = head 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 7/r32/edi 0xc/disp8 . # copy *(ebp+12) to edi # var hsize/edx: int = head->size 8b/copy 0/mod/indirect 7/rm32/edi . . . 2/r32/edx . . # copy *edi to edx # if (hsize > lens) return false 39/compare 3/mod/direct 2/rm32/edx . . . 1/r32/ecx . . # compare edx with ecx 7f/jump-if-> $slice-starts-with?:false/disp8 # var currs/esi: (addr byte) = s->start 8b/subtract 0/mod/indirect 6/rm32/esi . . . 6/r32/esi . . # copy *esi to esi # var currh/edi: (addr byte) = head->data 81 0/subop/add 3/mod/direct 7/rm32/edi . . . . . 4/imm32 # add to edi # var i/ecx: int = 0 31/xor 3/mod/direct 1/rm32/ecx . . . 1/r32/ecx . . # clear ecx # var c1/eax: byte = 0 31/xor 3/mod/direct 0/rm32/eax . . . 0/r32/eax . . # clear eax # var c2/ebx: byte = 0 31/xor 3/mod/direct 3/rm32/ebx . . . 3/r32/ebx . . # clear ebx $slice-starts-with?:loop: # if (i >= hsize) return true 39/compare 3/mod/direct 1/rm32/ecx . . . 2/r32/edx . . # compare ecx with edx 7d/jump-if->= $slice-starts-with?:true/disp8 # c1 = *currs 8a/copy-byte 0/mod/indirect 6/rm32/esi . . . 0/r32/AL . . # copy byte at *esi to AL # c2 = *currh 8a/copy-byte 0/mod/indirect 7/rm32/edi . . . 3/r32/BL . . # copy byte at *edi to BL # if (c1 != c2) return false 39/compare 3/mod/direct 0/rm32/eax . . . 3/r32/ebx . . # compare eax and ebx 75/jump-if-!= $slice-starts-with?:false/disp8 # ++i 41/increment-ecx # ++currs 46/increment-esi # ++currh 47/increment-edi eb/jump $slice-starts-with?:loop/disp8 $slice-starts-with?:true: b8/copy-to-eax 1/imm32 eb/jump $slice-starts-with?:end/disp8 $slice-starts-with?:false: b8/copy-to-eax 0/imm32 $slice-starts-with?:end: # . restore registers 5f/pop-to-edi 5e/pop-to-esi 5b/pop-to-ebx 5a/pop-to-edx 59/pop-to-ecx # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return test-slice-starts-with-single-character: # - slice-starts-with?(slice("Abc"), "A") == 1 # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # (eax..ecx) = "Abc" b8/copy-to-eax "Abc"/imm32 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx 05/add-to-eax 4/imm32 # var slice/ecx: slice = {eax, ecx} 51/push-ecx 50/push-eax 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx # eax = slice-starts-with?(ecx, "A") # . . push args 68/push "A"/imm32 51/push-ecx # . . call e8/call slice-starts-with?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # check-ints-equal(eax, 1, msg) # . . push args 68/push "F - test-slice-starts-with-single-character"/imm32 68/push 1/imm32 50/push-eax # . . call e8/call check-ints-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return test-slice-starts-with-empty-string: # - slice-starts-with?(slice("Abc"), "") == 1 # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # (eax..ecx) = "Abc" b8/copy-to-eax "Abc"/imm32 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx 05/add-to-eax 4/imm32 # var slice/ecx: slice = {eax, ecx} 51/push-ecx 50/push-eax 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx # eax = slice-starts-with?(ecx, "") # . . push args 68/push ""/imm32 51/push-ecx # . . call e8/call slice-starts-with?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # check-ints-equal(eax, 1, msg) # . . push args 68/push "F - test-slice-starts-with-empty-string"/imm32 68/push 1/imm32 50/push-eax # . . call e8/call check-ints-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return test-slice-starts-with-multiple-characters: # - slice-starts-with?(slice("Abc"), "Ab") == 1 # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # (eax..ecx) = "Abc" b8/copy-to-eax "Abc"/imm32 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx 05/add-to-eax 4/imm32 # var slice/ecx: slice = {eax, ecx} 51/push-ecx 50/push-eax 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx # eax = slice-starts-with?(ecx, "Ab") # . . push args 68/push "Ab"/imm32 51/push-ecx # . . call e8/call slice-starts-with?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # check-ints-equal(eax, 1, msg) # . . push args 68/push "F - test-slice-starts-with-multiple-characters"/imm32 68/push 1/imm32 50/push-eax # . . call e8/call check-ints-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return test-slice-starts-with-entire-string: # - slice-starts-with?(slice("Abc"), "Abc") == 1 # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # (eax..ecx) = "Abc" b8/copy-to-eax "Abc"/imm32 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx 05/add-to-eax 4/imm32 # var slice/ecx: slice = {eax, ecx} 51/push-ecx 50/push-eax 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx # eax = slice-starts-with?(ecx, "Abc") # . . push args 68/push "Abc"/imm32 51/push-ecx # . . call e8/call slice-starts-with?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # check-ints-equal(eax, 1, msg) # . . push args 68/push "F - test-slice-starts-with-entire-string"/imm32 68/push 1/imm32 50/push-eax # . . call e8/call check-ints-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return test-slice-starts-with-fails: # - slice-starts-with?(slice("Abc"), "Abd") == 1 # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # (eax..ecx) = "Abc" b8/copy-to-eax "Abc"/imm32 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx 05/add-to-eax 4/imm32 # var slice/ecx: slice = {eax, ecx} 51/push-ecx 50/push-eax 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx # eax = slice-starts-with?(ecx, "Abd") # . . push args 68/push "Abd"/imm32 51/push-ecx # . . call e8/call slice-starts-with?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # check-ints-equal(eax, 0, msg) # . . push args 68/push "F - test-slice-starts-with-fails"/imm32 68/push 0/imm32 50/push-eax # . . call e8/call check-ints-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return test-slice-starts-with-fails-2: # - slice-starts-with?(slice("Abc"), "Ac") == 1 # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # (eax..ecx) = "Abc" b8/copy-to-eax "Abc"/imm32 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx 05/add-to-eax 4/imm32 # var slice/ecx: slice = {eax, ecx} 51/push-ecx 50/push-eax 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx # eax = slice-starts-with?(ecx, "Ac") # . . push args 68/push "Ac"/imm32 51/push-ecx # . . call e8/call slice-starts-with?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # check-ints-equal(eax, 0, msg) # . . push args 68/push "F - test-slice-starts-with-fails-2"/imm32 68/push 0/imm32 50/push-eax # . . call e8/call check-ints-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return # write a slice to a stream # abort if the stream doesn't have enough space write-slice: # out: (addr stream byte), s: (addr slice) # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # . save registers 50/push-eax 51/push-ecx 52/push-edx 53/push-ebx 56/push-esi 57/push-edi # esi = s 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 0xc/disp8 . # copy *(ebp+12) to esi # var curr/ecx: (addr byte) = s->start 8b/copy 0/mod/indirect 6/rm32/esi . . . 1/r32/ecx . . # copy *esi to ecx # var max/esi: (addr byte) = s->end 8b/copy 1/mod/*+disp8 6/rm32/esi . . . 6/r32/esi 4/disp8 . # copy *(esi+4) to esi # edi = out 8b/copy 1/mod/*+disp8 5/rm32/ebp . . 7/r32/edi 8/disp8 . # copy *(ebp+8) to edi # edx = out->size 8b/copy 1/mod/*+disp8 7/rm32/edi . . . 2/r32/edx 8/disp8 . # copy *(edi+8) to edx # ebx = out->write 8b/copy 0/mod/indirect 7/rm32/edi . . . 3/r32/ebx . . # copy *edi to ebx $write-slice:loop: # if (curr >= max) break 39/compare 3/mod/direct 1/rm32/ecx . . . 6/r32/esi . . # compare ecx with esi 73/jump-if-addr>= $write-slice:loop-end/disp8 # if (out->write >= out->size) abort 39/compare 3/mod/direct 3/rm32/ebx . . . 2/r32/edx . . # compare ebx with edx 7d/jump-if->= $write-slice:abort/disp8 # out->data[out->write] = *in # . AL = *in 31/xor 3/mod/direct 0/rm32/eax . . . 0/r32/eax . . # clear eax 8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 0/r32/AL . . # copy byte at *ecx to AL # . out->data[out->write] = AL 88/copy-byte 1/mod/*+disp8 4/rm32/sib 7/base/edi 3/index/ebx . 0/r32/AL 0xc/disp8 . # copy AL to *(edi+ebx+12) # ++out->write 43/increment-ebx # ++in 41/increment-ecx eb/jump $write-slice:loop/disp8 $write-slice:loop-end: # persist out->write 89/copy 0/mod/indirect 7/rm32/edi . . . 3/r32/ebx . . # copy ebx to *edi $write-slice:end: # . restore registers 5f/pop-to-edi 5e/pop-to-esi 5b/pop-to-ebx 5a/pop-to-edx 59/pop-to-ecx 58/pop-to-eax # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return $write-slice:abort: # . _write(2/stderr, error) # . . push args 68/push "write-slice: out of space"/imm32 68/push 2/imm32/stderr # . . call e8/call _write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # . syscall(exit, 1) bb/copy-to-ebx 1/imm32 e8/call syscall_exit/disp32 # never gets here test-write-slice: # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # setup # . clear-stream(_test-stream) # . . push args 68/push _test-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp # (eax..ecx) = "Abc" b8/copy-to-eax "Abc"/imm32 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx 05/add-to-eax 4/imm32 # var slice/ecx: slice = {eax, ecx} 51/push-ecx 50/push-eax 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx # write-slice(_test-stream, slice) # . . push args 51/push-ecx 68/push _test-stream/imm32 # . . call e8/call write-slice/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # check-stream-equal(_test-stream, "Abc", msg) # . . push args 68/push "F - test-write-slice"/imm32 68/push "Abc"/imm32 68/push _test-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return # write a slice to a buffered-file write-slice-buffered: # out: (addr buffered-file), s: (addr slice) # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # . save registers 50/push-eax 51/push-ecx 52/push-edx 53/push-ebx 56/push-esi 57/push-edi # esi = s 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 0xc/disp8 . # copy *(ebp+12) to esi # var curr/ecx: (addr byte) = s->start 8b/copy 0/mod/indirect 6/rm32/esi . . . 1/r32/ecx . . # copy *esi to ecx # var max/esi: (addr byte) = s->end 8b/copy 1/mod/*+disp8 6/rm32/esi . . . 6/r32/esi 4/disp8 . # copy *(esi+4) to esi # edi = out 8b/copy 1/mod/*+disp8 5/rm32/ebp . . 7/r32/edi 8/disp8 . # copy *(ebp+8) to edi # edx = out->size 8b/copy 1/mod/*+disp8 7/rm32/edi . . . 2/r32/edx 0xc/disp8 . # copy *(edi+12) to edx # ebx = out->write 8b/copy 1/mod/*+disp8 7/rm32/edi . . . 3/r32/ebx 4/disp8 . # copy *(edi+4) to ebx $write-slice-buffered:loop: # if (curr >= max) break 39/compare 3/mod/direct 1/rm32/ecx . . . 6/r32/esi . . # compare ecx with esi 73/jump-if-addr>= $write-slice-buffered:loop-end/disp8 # if (out->write >= out->size) flush and clear out's stream 39/compare 3/mod/direct 3/rm32/ebx . . . 2/r32/edx . . # compare ebx with edx 7c/jump-if-< $write-slice-buffered:to-stream/disp8 # . persist out->write 89/copy 1/mod/*+disp8 7/rm32/edi . . . 3/r32/ebx 4/disp8 . # copy ebx to *(edi+4) # . flush(out) # . . push args 57/push-edi # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp # . clear-stream(stream = out+4) # . . push args 8d/copy-address 1/mod/*+disp8 7/rm32/edi . . . 0/r32/eax 4/disp8 . # copy edi+4 to eax 50/push-eax # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp # . out->write must now be 0; update its cache at ebx 31/xor 3/mod/direct 3/rm32/ebx . . . 3/r32/ebx . . # clear ebx $write-slice-buffered:to-stream: # out->data[out->write] = *in # . AL = *in 31/xor 3/mod/direct 0/rm32/eax . . . 0/r32/eax . . # clear eax 8a/copy-byte 0/mod/indirect 1/rm32/ecx . . . 0/r32/AL . . # copy byte at *ecx to AL # . out->data[out->write] = AL 88/copy-byte 1/mod/*+disp8 4/rm32/sib 7/base/edi 3/index/ebx . 0/r32/AL 0x10/disp8 . # copy AL to *(edi+ebx+16) # ++out->write 43/increment-ebx # ++in 41/increment-ecx eb/jump $write-slice-buffered:loop/disp8 $write-slice-buffered:loop-end: # persist necessary variables from registers 89/copy 1/mod/*+disp8 7/rm32/edi . . . 3/r32/ebx 4/disp8 . # copy ebx to *(edi+4) $write-slice-buffered:end: # . restore registers 5f/pop-to-edi 5e/pop-to-esi 5b/pop-to-ebx 5a/pop-to-edx 59/pop-to-ecx 58/pop-to-eax # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return test-write-slice-buffered: # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # setup # . clear-stream(_test-stream) # . . push args 68/push _test-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp # . clear-stream($_test-buffered-file->buffer) # . . push args 68/push $_test-buffered-file->buffer/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp # (eax..ecx) = "Abc" b8/copy-to-eax "Abc"/imm32 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx 05/add-to-eax 4/imm32 # var slice/ecx: slice = {eax, ecx} 51/push-ecx 50/push-eax 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx # write-slice-buffered(_test-buffered-file, slice) # . . push args 51/push-ecx 68/push _test-buffered-file/imm32 # . . call e8/call write-slice-buffered/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # flush(_test-buffered-file) # . . push args 68/push _test-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp # check-stream-equal(_test-stream, "Abc", msg) # . . push args 68/push "F - test-write-slice-buffered"/imm32 68/push "Abc"/imm32 68/push _test-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return # copy a slice into a new (dynamically allocated) string slice-to-string: # ad: (addr allocation-descriptor), in: (addr slice), out: (addr handle array byte) # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # . save registers 50/push-eax 51/push-ecx 52/push-edx 53/push-ebx 56/push-esi # esi = in 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 0xc/disp8 . # copy *(ebp+12) to esi # var curr/edx: (addr byte) = in->start 8b/copy 0/mod/indirect 6/rm32/esi . . . 2/r32/edx . . # copy *esi to edx # var max/ebx: (addr byte) = in->end 8b/copy 1/mod/*+disp8 6/rm32/esi . . . 3/r32/ebx 4/disp8 . # copy *(esi+4) to ebx # var size/ecx: int = max - curr + 4 # total size of output string (including the initial 'size' field) 89/copy 3/mod/direct 1/rm32/ecx . . . 3/r32/ebx . . # copy ebx to ecx 29/subtract 3/mod/direct 1/rm32/ecx . . . 2/r32/edx . . # subtract edx from ecx 81 0/subop/add 3/mod/direct 1/rm32/ecx . . . . . 4/imm32 # add to ecx # allocate(ad, size, out) # . . push args ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0x10/disp8 . # push *(ebp+16) 51/push-ecx ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) # . . call e8/call allocate/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # eax = out->payload 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 0/r32/eax 0x10/disp8 . # copy *(ebp+16) to eax 8b/copy 1/mod/*+disp8 0/rm32/eax . . . 0/r32/eax 4/disp8 . # copy *(eax+4) to eax # skip payload->allocid 05/add-to-eax 4/imm32 # if (eax == 0) abort 3d/compare-eax-and 0/imm32 74/jump-if-= $slice-to-string:abort/disp8 # out->size = size-4 89/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy ecx to *eax 81 5/subop/subtract 0/mod/indirect 0/rm32/eax . . . . . 4/imm32 # subtract 4 from *eax # save out 50/push-eax $slice-to-string:initialize: # eax = _append-4(eax+4, eax+size, curr, max) # clobbering ecx # . . push args 53/push-ebx 52/push-edx # . . push eax+size (clobbering ecx) 01/add 3/mod/direct 1/rm32/ecx . . . 0/r32/eax . . # add eax to ecx 51/push-ecx # . . push eax+4 (clobbering eax) 81 0/subop/add 3/mod/direct 0/rm32/eax . . . . . 4/imm32 # add to eax 50/push-eax # . . call e8/call _append-4/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x10/imm32 # add to esp # restore out (assumes _append-4 can't error) 58/pop-to-eax $slice-to-string:end: # . restore registers 5e/pop-to-esi 5b/pop-to-ebx 5a/pop-to-edx 59/pop-to-ecx 58/pop-to-eax # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return $slice-to-string:abort: # . _write(2/stderr, error) # . . push args 68/push "slice-to-string: out of space\n"/imm32 68/push 2/imm32/stderr # . . call e8/call _write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # . syscall(exit, 1) bb/copy-to-ebx 1/imm32 e8/call syscall_exit/disp32 # never gets here test-slice-to-string: # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # var heap/edx: allocation-descriptor 68/push 0/imm32/limit 68/push 0/imm32/curr 89/copy 3/mod/direct 2/rm32/edx . . . 4/r32/esp . . # copy esp to edx # heap = new-segment(512) # . . push args 52/push-edx 68/push 0x200/imm32 # . . call e8/call new-segment/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # (eax..ecx) = "Abc" b8/copy-to-eax "Abc"/imm32 8b/copy 0/mod/indirect 0/rm32/eax . . . 1/r32/ecx . . # copy *eax to ecx 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx . 1/r32/ecx 4/disp8 . # copy eax+ecx+4 to ecx 05/add-to-eax 4/imm32 # var slice/ecx: slice = {eax, ecx} 51/push-ecx 50/push-eax 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx # var h/ebx: (handle array byte) 68/push 0/imm32 68/push 0/imm32 89/copy 3/mod/direct 3/rm32/ebx . . . 4/r32/esp . . # copy esp to ebx # slice-to-string(heap, slice, h) # . . push args 53/push-ebx 51/push-ecx 52/push-edx # . . call e8/call slice-to-string/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # eax = h->payload 8b/copy 1/mod/*+disp8 3/rm32/ebx . . . 0/r32/eax 4/disp8 . # copy *(ebx+4) to eax # skip payload->allocid 05/add-to-eax 4/imm32 #? # dump eax {{{ #? # . write(2/stderr, "AA: ") #? # . . push args #? 68/push "AA: "/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp #? # . write(2/stderr, eax) #? # . . push args #? 50/push-eax #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp #? # }}} # eax = string-equal?(eax, "Abc") # . . push args 68/push "Abc"/imm32 50/push-eax # . . call e8/call string-equal?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # check-ints-equal(eax, 1, msg) # . . push args 68/push "F - test-slice-to-string"/imm32 68/push 1/imm32/true 50/push-eax # . . call e8/call check-ints-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . reclaim locals 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x18/imm32 # add to esp # . epilogue 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 5d/pop-to-ebp c3/return # . . vim:nowrap:textwidth=0