4815
This commit is contained in:
Kartik Agaram
parent
e4ac3c9e6e
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File diff suppressed because it is too large
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File diff suppressed because it is too large
Load Diff
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@ -30,6 +30,10 @@
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# . op subop mod rm32 base index scale r32
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# . 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
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#? # for debugging: run a single test; don't bother setting status code
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#? e8/call test-get-num-reads-single-digit/disp32
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#? eb/jump $main:end/disp8
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# main: run tests if necessary, call 'compile' if not
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# . prolog
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89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP
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@ -50,7 +54,6 @@
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75/jump-if-not-equal $run-main/disp8
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# . run-tests()
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e8/call run-tests/disp32
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#? e8/call test-get-num-reads-multiple-digits/disp32
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8b/copy 0/mod/indirect 5/rm32/.disp32 . . 3/r32/EBX Num-test-failures/disp32 # copy *Num-test-failures to EBX
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eb/jump $main:end/disp8
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$run-main:
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@ -94,13 +97,14 @@ compile: # in : (address buffered-file), out : fd or (address stream), err : fd
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81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP
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# var num/ECX : (address stream) on the stack
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# Numbers can be 32 bits or 8 hex bytes long. One of them will be in 'Look', so we need space for 7 bytes.
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# We won't add more, so that we can get overflow-handling for free.
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# Sizing the stream just right buys us overflow-handling for free inside 'get-num'.
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# Add 12 bytes for 'read', 'write' and 'length' fields, for a total of 19 bytes, or 0x13 in hex.
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# The stack pointer is no longer aligned, so dump_stack() can be misleading past this point.
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81 5/subop/subtract 3/mod/direct 4/rm32/ESP . . . . . 0x13/imm32 # subtract from ESP
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8d/copy-address 0/mod/indirect 4/rm32/sib 4/base/ESP 4/index/none . 1/r32/ECX . . # copy ESP to ECX
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# num->length = 7
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# initialize the stream
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# . num->length = 7
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c7/copy 1/mod/*+disp8 1/rm32/ECX . . . . 8/disp8 7/imm32 # copy to *(ECX+8)
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# read a digit from 'in' into 'num'
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# . clear-stream(num)
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# . . push args
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51/push-ECX
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@ -108,6 +112,7 @@ compile: # in : (address buffered-file), out : fd or (address stream), err : fd
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e8/call clear-stream/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP
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# read a digit from 'in' into 'num'
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# . get-num(in, num, err, ed)
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# . . push args
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ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x14/disp8 . # push *(EBP+20)
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@ -30,6 +30,10 @@
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# . op subop mod rm32 base index scale r32
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# . 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
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#? # for debugging: run a single test; don't bother setting status code
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#? e8/call test-get-num-reads-single-digit/disp32
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#? eb/jump $main:end/disp8
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# main: run tests if necessary, call 'compile' if not
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# . prolog
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89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP
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@ -50,7 +54,6 @@
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75/jump-if-not-equal $run-main/disp8
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# . run-tests()
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e8/call run-tests/disp32
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#? e8/call test-get-num-reads-multiple-digits/disp32
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8b/copy 0/mod/indirect 5/rm32/.disp32 . . 3/r32/EBX Num-test-failures/disp32 # copy *Num-test-failures to EBX
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eb/jump $main:end/disp8
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$run-main:
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@ -95,13 +98,14 @@ compile: # in : (address buffered-file), out : fd or (address stream), err : fd
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81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP
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# var num/ECX : (address stream) on the stack
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# Numbers can be 32 bits or 8 hex bytes long. One of them will be in 'Look', so we need space for 7 bytes.
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# We won't add more, so that we can get overflow-handling for free.
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# Sizing the stream just right buys us overflow-handling for free inside 'get-num'.
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# Add 12 bytes for 'read', 'write' and 'length' fields, for a total of 19 bytes, or 0x13 in hex.
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# The stack pointer is no longer aligned, so dump_stack() can be misleading past this point.
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81 5/subop/subtract 3/mod/direct 4/rm32/ESP . . . . . 0x13/imm32 # subtract from ESP
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8d/copy-address 0/mod/indirect 4/rm32/sib 4/base/ESP 4/index/none . 1/r32/ECX . . # copy ESP to ECX
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# num->length = 7
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# initialize the stream
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# . num->length = 7
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c7/copy 1/mod/*+disp8 1/rm32/ECX . . . . 8/disp8 7/imm32 # copy to *(ECX+8)
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# read a digit from 'in' into 'num'
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# . clear-stream(num)
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# . . push args
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51/push-ECX
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@ -109,6 +113,7 @@ compile: # in : (address buffered-file), out : fd or (address stream), err : fd
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e8/call clear-stream/disp32
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# . . discard args
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81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP
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# read a digit from 'in' into 'num'
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# . get-num(in, num, err, ed)
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# . . push args
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ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x14/disp8 . # push *(EBP+20)
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