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Flesh out final test some more. We also now have a new family of primitives for writing non-strings to input streams in tests.
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subx/apps/survey
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subx/apps/survey
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@ -567,17 +567,17 @@ $compute-addresses:end:
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c3/return
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c3/return
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test-compute-addresses:
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test-compute-addresses:
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# segment-info:
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# segments:
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# - {'a', 0x1000, 5, 0}
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# - 'a': {0x1000, 0, 5}
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# - {'b', 0x500, 1, 0}
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# - 'b': {0x500, 0, 1}
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# - {'c', 0x5444, 12, 0}
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# - 'c': {0x5444, 0, 12}
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# label-info:
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# labels:
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# - {'l1', 'code', 3, 0}
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# - 'l1': {'a', 3, 0}
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# - {'l2', 'data', 0, 0}
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# - 'l2': {'b', 0, 0}
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#
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#
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# trace contains (in any order):
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# trace contains (in any order):
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# segment 'code starts at address 0x1074
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# segment 'a' starts at address 0x1074
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# segment 'data starts at address 0x579
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# segment 'b' starts at address 0x579
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# label 'l1' is at address 0x1077
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# label 'l1' is at address 0x1077
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# label 'l2' is at address 0x579
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# label 'l2' is at address 0x579
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#
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#
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@ -585,15 +585,78 @@ test-compute-addresses:
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55/push-EBP
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55/push-EBP
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89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP
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89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP
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# setup
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# setup
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# . check-trace-contains("segment 'code' starts at address 0x1074", msg)
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# . var segments/ECX = stream(10 * 16)
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81 5/subop/subtract 3/mod/direct 4/rm32/ESP . . . . . 0xa0/imm32 # subtract from ESP
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68/push 0xa0/imm32/length
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68/push 0/imm32/read
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68/push 0/imm32/write
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89/copy 3/mod/direct 1/rm32/ECX . . . 4/r32/ESP . . # copy ESP to ECX
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# . var labels/EDX = stream(512 * 16)
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81 5/subop/subtract 3/mod/direct 4/rm32/ESP . . . . . 0x2000/imm32 # subtract from ESP
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68/push 0x2000/imm32/length
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68/push 0/imm32/read
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68/push 0/imm32/write
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89/copy 3/mod/direct 2/rm32/EDX . . . 4/r32/ESP . . # copy ESP to EDX
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# . stream-add4(segments, "a", 0x1000, 0, 5)
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68/push 5/imm32/segment-size
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68/push 0/imm32/file-offset
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68/push 0x1000/imm32/start-address
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68/push "a"/imm32/segment-name
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51/push-ECX
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# . . call
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e8/call stream-add4/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x14/imm32 # add to ESP
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# . stream-add4(segments, "b", 0x500, 0, 1)
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68/push 1/imm32/segment-size
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68/push 0/imm32/file-offset
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68/push 0x500/imm32/start-address
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68/push "b"/imm32/segment-name
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51/push-ECX
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# . . call
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e8/call stream-add4/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x14/imm32 # add to ESP
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# . stream-add4(segments, "c", 0x5444, 0, 12)
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68/push 0xc/imm32/segment-size
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68/push 0/imm32/file-offset
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68/push 0x5444/imm32/start-address
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68/push "c"/imm32/segment-name
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51/push-ECX
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# . . call
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e8/call stream-add4/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x14/imm32 # add to ESP
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# . stream-add4(labels, "l1", "a", 3, 0)
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68/push 0/imm32/label-address
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68/push 3/imm32/segment-offset
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68/push "a"/imm32/segment-name
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68/push "l1"/imm32/label-name
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52/push-EDX
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# . . call
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e8/call stream-add4/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x14/imm32 # add to ESP
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# . stream-add4(labels, "l2", "b", 0, 0)
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68/push 0/imm32/label-address
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68/push 0/imm32/segment-offset
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68/push "b"/imm32/segment-name
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68/push "l2"/imm32/label-name
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52/push-EDX
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# . . call
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e8/call stream-add4/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x14/imm32 # add to ESP
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# checks
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# . check-trace-contains("segment 'a' starts at address 0x1074", msg)
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# . . push args
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# . . push args
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68/push "F - test-compute-addresses/0"/imm32
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68/push "F - test-compute-addresses/0"/imm32
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68/push "segment 'code' starts at address 0x1074"/imm32
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68/push "segment 'a' starts at address 0x1074"/imm32
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# . . call
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# . . call
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e8/call check-trace-contains/disp32
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e8/call check-trace-contains/disp32
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# . . discard args
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
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81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
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# . check-trace-contains("segment 'data' starts at address 0x579", msg)
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# . check-trace-contains("segment 'b' starts at address 0x579", msg)
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# . . push args
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# . . push args
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68/push "F - test-compute-addresses/1"/imm32
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68/push "F - test-compute-addresses/1"/imm32
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68/push "segment 'data' starts at address 0x579"/imm32
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68/push "segment 'data' starts at address 0x579"/imm32
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@ -622,6 +685,86 @@ test-compute-addresses:
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5d/pop-to-EBP
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5d/pop-to-EBP
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c3/return
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c3/return
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# helper for tests
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stream-add4: # in : (address stream byte), key : address, val1 : address, val2 : address, val3 : address
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# . prolog
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55/push-EBP
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89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP
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# . save registers
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50/push-EAX
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51/push-ECX
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52/push-EDX
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56/push-ESI
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# ESI = in
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8b/copy 1/mod/*+disp8 5/rm32/EBP . . 6/r32/ESI 8/disp8 . # copy *(EBP+8) to ESI
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# curr/EAX = in->data + in->write
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# . EAX = in->write
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8b/copy 0/mod/indirect 6/rm32/ESI . . . 0/r32/EAX . . # copy *ESI to EAX
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# . EAX = ESI+EAX+12
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8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 0/index/EAX . 0/r32/EAX 0xc/disp8 . # copy ESI+EAX+12 to EAX
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# max/EDX = in->data + in->length
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# . EDX = in->length
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8b/copy 1/mod/*+disp8 6/rm32/ESI . . . 2/r32/EDX 8/disp8 . # copy *(ESI+8) to EDX
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# . EDX = ESI+EDX+12
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8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 2/index/EDX . 2/r32/EDX 0xc/disp8 . # copy ESI+EDX+12 to EDX
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# if (curr >= max) abort
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39/compare 3/mod/direct 0/rm32/EAX . . . 2/r32/EDX . . # compare EAX with EDX
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73/jump-if-greater-or-equal-unsigned $stream-add4:abort/disp8
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# *curr = key
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8b/copy 1/mod/*+disp8 5/rm32/EBP . . 1/r32/ECX 0xc/disp8 . # copy *(EBP+12) to ECX
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89/copy 0/mod/indirect 0/rm32/EAX . . . 1/r32/ECX . . # copy ECX to *EAX
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# curr += 4
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05/add-to-EAX 4/imm32
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# if (curr >= max) abort
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39/compare 3/mod/direct 0/rm32/EAX . . . 2/r32/EDX . . # compare EAX with EDX
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73/jump-if-greater-or-equal-unsigned $stream-add4:abort/disp8
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# *curr = val1
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8b/copy 1/mod/*+disp8 5/rm32/EBP . . 1/r32/ECX 0x10/disp8 . # copy *(EBP+16) to ECX
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89/copy 0/mod/indirect 0/rm32/EAX . . . 1/r32/ECX . . # copy ECX to *EAX
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# curr += 4
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05/add-to-EAX 4/imm32
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# if (curr >= max) abort
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39/compare 3/mod/direct 0/rm32/EAX . . . 2/r32/EDX . . # compare EAX with EDX
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73/jump-if-greater-or-equal-unsigned $stream-add4:abort/disp8
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# *curr = val2
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8b/copy 1/mod/*+disp8 5/rm32/EBP . . 1/r32/ECX 0x14/disp8 . # copy *(EBP+20) to ECX
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89/copy 0/mod/indirect 0/rm32/EAX . . . 1/r32/ECX . . # copy ECX to *EAX
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# curr += 4
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05/add-to-EAX 4/imm32
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# if (curr >= max) abort
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39/compare 3/mod/direct 0/rm32/EAX . . . 2/r32/EDX . . # compare EAX with EDX
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73/jump-if-greater-or-equal-unsigned $stream-add4:abort/disp8
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# *curr = val3
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8b/copy 1/mod/*+disp8 5/rm32/EBP . . 1/r32/ECX 0x18/disp8 . # copy *(EBP+24) to ECX
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89/copy 0/mod/indirect 0/rm32/EAX . . . 1/r32/ECX . . # copy ECX to *EAX
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# in->write += 16
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81 0/subop/add 0/mod/indirect 6/rm32/ESI . . . . . 0x10/imm32 # add to *ESI
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$stream-add4:end:
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# . restore registers
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5e/pop-to-ESI
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5a/pop-to-EDX
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59/pop-to-ECX
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58/pop-to-EAX
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# . epilog
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89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP
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5d/pop-to-EBP
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c3/return
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$stream-add4:abort:
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# . _write(2/stderr, error)
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# . . push args
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68/push "overflow in stream-add4\n"/imm32
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68/push 2/imm32/stderr
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# . . call
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e8/call _write/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
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# . syscall(exit, 1)
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bb/copy-to-EBX 1/imm32
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b8/copy-to-EAX 1/imm32/exit
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cd/syscall 0x80/imm8
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# never gets here
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emit-output: # in : (address buffered-file), out : (address buffered-file), segments : (address stream {string, segment-info}), labels : (address stream {string, label-info})
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emit-output: # in : (address buffered-file), out : (address buffered-file), segments : (address stream {string, segment-info}), labels : (address stream {string, label-info})
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# pseudocode:
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# pseudocode:
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# emit-headers(out, segments, labels)
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# emit-headers(out, segments, labels)
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