From 480fd9958abbd9b3b8443190ece755504cacdf9c Mon Sep 17 00:00:00 2001 From: Kartik Agaram Date: Wed, 14 Oct 2020 13:42:03 -0700 Subject: 7032 --- apps/factorial2.subx | 100 ++++++++++++++++++++++++++------------------------- 1 file changed, 51 insertions(+), 49 deletions(-) (limited to 'apps/factorial2.subx') diff --git a/apps/factorial2.subx b/apps/factorial2.subx index 0eaaf049..7d303227 100644 --- a/apps/factorial2.subx +++ b/apps/factorial2.subx @@ -15,58 +15,11 @@ # Expected output: # ........ # Every '.' indicates a passing test. Failing tests get a 'F'. +# +# Compare apps/factorial.subx == code -Entry: # run tests if necessary, compute `factorial(5)` if not - # . prologue - 89/<- %ebp 4/r32/esp - - # initialize heap - # . Heap = new-segment(Heap-size) - # . . push args - 68/push Heap/imm32 - ff 6/subop/push *Heap-size - # . . call - e8/call new-segment/disp32 - # . . discard args - 81 0/subop/add %esp 8/imm32 - - # - if argc > 1 and argv[1] == "test", then return run_tests() - # if (argc <= 1) goto run-main - 81 7/subop/compare *ebp 1/imm32 - 7e/jump-if-<= $run-main/disp8 - # if (!kernel-string-equal?(argv[1], "test")) goto run-main - # . eax = kernel-string-equal?(argv[1], "test") - # . . push args - 68/push "test"/imm32 - ff 6/subop/push *(ebp+8) - # . . call - e8/call kernel-string-equal?/disp32 - # . . discard args - 81 0/subop/add %esp 8/imm32 - # . if (eax == false) goto run-main - 3d/compare-eax-and 0/imm32/false - 74/jump-if-= $run-main/disp8 - # run-tests() - e8/call run-tests/disp32 - # syscall(exit, *Num-test-failures) - 8b/-> *Num-test-failures 3/r32/ebx - eb/jump $main:end/disp8 -$run-main: - # - otherwise return factorial(5) - # eax = factorial(5) - # . . push args - 68/push 5/imm32 - # . . call - e8/call factorial/disp32 - # . . discard args - 81 0/subop/add %esp 4/imm32 - # syscall(exit, eax) - 89/<- %ebx 0/r32/eax -$main:end: - e8/call syscall_exit/disp32 - factorial: # n: int -> int/eax # . prologue 55/push-ebp @@ -115,3 +68,52 @@ test-factorial: 81 0/subop/add %esp 0xc/imm32 # end c3/return + +Entry: # run tests if necessary, compute `factorial(5)` if not + # . prologue + 89/<- %ebp 4/r32/esp + + # initialize heap + # . Heap = new-segment(Heap-size) + # . . push args + 68/push Heap/imm32 + ff 6/subop/push *Heap-size + # . . call + e8/call new-segment/disp32 + # . . discard args + 81 0/subop/add %esp 8/imm32 + + # - if argc > 1 and argv[1] == "test", then return run_tests() + # if (argc <= 1) goto run-main + 81 7/subop/compare *ebp 1/imm32 + 7e/jump-if-<= $run-main/disp8 + # if (!kernel-string-equal?(argv[1], "test")) goto run-main + # . eax = kernel-string-equal?(argv[1], "test") + # . . push args + 68/push "test"/imm32 + ff 6/subop/push *(ebp+8) + # . . call + e8/call kernel-string-equal?/disp32 + # . . discard args + 81 0/subop/add %esp 8/imm32 + # . if (eax == false) goto run-main + 3d/compare-eax-and 0/imm32/false + 74/jump-if-= $run-main/disp8 + # run-tests() + e8/call run-tests/disp32 + # syscall(exit, *Num-test-failures) + 8b/-> *Num-test-failures 3/r32/ebx + eb/jump $main:end/disp8 +$run-main: + # - otherwise return factorial(5) + # ebx = factorial(5) + # . . push args + 68/push 5/imm32 + # . . call + e8/call factorial/disp32 + # . . discard args + 81 0/subop/add %esp 4/imm32 + # + 89/<- %ebx 0/r32/eax +$main:end: + e8/call syscall_exit/disp32 -- cgit 1.4.1-2-gfad0 >10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166