4780
This commit is contained in:
Kartik Agaram
parent
c1a3d36cad
commit
e5cbbea435
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@ -1,7 +1,6 @@
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# _write: write to a file descriptor
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== code
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# instruction effective address operand displacement immediate
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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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@ -1,7 +1,6 @@
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# Rudimentary test harness
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== code
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# instruction effective address operand displacement immediate
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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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@ -15,7 +15,6 @@
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# would cause tests to not run, rather than to fail as we'd like.)
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== code
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# instruction effective address operand displacement immediate
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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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@ -1,7 +1,6 @@
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# Create a new segment (for data) using mmap().
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== code
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# instruction effective address operand displacement immediate
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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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@ -44,6 +43,7 @@ new-segment: # len : int -> address
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c3/return
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== data
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# various constants used here were found in the Linux sources (search for file mman-common.h)
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mmap-new-segment: # type mmap_arg_struct
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# addr
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@ -1,7 +1,6 @@
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# Comparing 'regular' length-prefixed strings.
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== code
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# instruction effective address operand displacement immediate
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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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@ -38,7 +38,6 @@ _test-trace-stream:
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00 00 00 00 00 00 00 00 # 8 bytes
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== code
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# instruction effective address operand displacement immediate
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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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@ -16,7 +16,6 @@
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# data: (array byte) # prefixed by length as usual
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== code
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# instruction effective address operand displacement immediate
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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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@ -26,7 +26,6 @@
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# returns. (This is a poor man's setjmp/longjmp, if you know what that is.)
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== code
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# instruction effective address operand displacement immediate
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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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@ -41,7 +41,6 @@
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# data: (array byte) # prefixed by length as usual
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== code
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# instruction effective address operand displacement immediate
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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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@ -27,7 +27,6 @@ Stdin:
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# TODO: 8 bytes is too small. We'll need to grow the buffer for efficiency.
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== code
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# instruction effective address operand displacement immediate
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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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@ -1,7 +1,6 @@
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# write-stream: like write, but write streams rather than strings
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== code
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# instruction effective address operand displacement immediate
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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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@ -9,6 +9,7 @@
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# 42
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== code
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bb/copy-to-EBX 2a/imm32
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# exit(EBX)
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b8/copy-to-EAX 1/imm32
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@ -15,7 +15,6 @@
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# would cause tests to not run, rather than to fail as we'd like.)
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== code
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# instruction effective address operand displacement immediate
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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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@ -335,6 +334,7 @@ write-stderr: # s : (address array byte) -> <void>
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c3/return
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== data
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Newline:
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# size
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01 00 00 00
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@ -25,6 +25,7 @@
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cd/syscall 0x80/imm8
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== data
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# various constants used here were found in the Linux sources (search for file mman-common.h)
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Mmap-new-segment: # type mmap_arg_struct
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# addr
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@ -8,6 +8,7 @@
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# 2
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== code
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bb/copy-to-EBX 1/imm32
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43/inc-EBX
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# exit(EBX)
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# instruction effective address operand displacement immediate
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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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# result: EBX = 0
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bb/copy-to-EBX 0/imm32
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# counter: ECX = 1
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@ -5,6 +5,7 @@
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# $ subx run examples/ex4
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== code
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# syscall(read, stdin, X, 1)
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# fd = 0 (stdin)
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bb/copy-to-EBX 0/imm32
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@ -32,6 +33,7 @@ b8/copy-to-EAX 1/imm32/exit
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cd/syscall 0x80/imm8
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== data
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X:
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00 00 00 00 # space for read() to write to
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cd/syscall 0x80/imm8
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== data
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Size: # size of string
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0e 00 00 00 # 14
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X: # string to print
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cd/syscall 0x80/imm8
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== data
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Stream:
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00 00 00 00
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A:
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# instruction effective address operand displacement immediate
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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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# prolog
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89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP
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# call ascii-length(argv[1])
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# instruction effective address operand displacement immediate
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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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# prolog
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89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP
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# call ascii-difference(argv[1], argv[2])
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