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authorKartik Agaram <vc@akkartik.com>2019-05-18 00:50:17 -0700
committerKartik Agaram <vc@akkartik.com>2019-05-18 00:56:04 -0700
commitab16d49bdc55d64ba27f2ef5fe6811669b9d5c1f (patch)
tree97bbac0b1623cba7913ebc032039eb72ed942cbf /subx/066print-int.subx
parent11e725f277d08031d6b18599612a7bbddac050cd (diff)
downloadmu-ab16d49bdc55d64ba27f2ef5fe6811669b9d5c1f.tar.gz
5187
CI should have been failing for a few days. Now fixed.
Diffstat (limited to 'subx/066print-int.subx')
-rw-r--r--subx/066print-int.subx384
1 files changed, 0 insertions, 384 deletions
diff --git a/subx/066print-int.subx b/subx/066print-int.subx
deleted file mode 100644
index 1280f348..00000000
--- a/subx/066print-int.subx
+++ /dev/null
@@ -1,384 +0,0 @@
-# Print the (hex) textual representation of numbers.
-
-== 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
-
-#? Entry:  # run a single test, while debugging
-#?     e8/call test-print-int32/disp32
-#?     # syscall(exit, Num-test-failures)
-#?     8b/copy                         0/mod/indirect  5/rm32/.disp32            .             .           3/r32/EBX   Num-test-failures/disp32          # copy *Num-test-failures to EBX
-#?     b8/copy-to-EAX  1/imm32/exit
-#?     cd/syscall  0x80/imm8
-
-append-byte-hex:  # f : (address stream), n : int -> <void>
-    # . prolog
-    55/push-EBP
-    89/copy                         3/mod/direct    5/rm32/EBP    .           .             .           4/r32/ESP   .               .                 # copy ESP to EBP
-    # . save registers
-    50/push-EAX
-    # AL = convert upper nibble to hex
-    8b/copy                         1/mod/*+disp8   5/rm32/EBP    .           .             .           0/r32/EAX   0xc/disp8       .                 # copy *(EBP+12) to EAX
-    c1/shift    5/subop/logic-right 3/mod/direct    0/rm32/EAX    .           .             .           .           .               4/imm8            # shift EAX right by 4 bits, while padding zeroes
-    25/and-EAX  0xf/imm32
-    # . AL = to-hex-char(AL)
-    e8/call  to-hex-char/disp32
-    # append-byte(f, AL)
-    # . . push args
-    50/push-EAX
-    ff          6/subop/push        1/mod/*+disp8   5/rm32/EBP    .           .             .           .           8/disp8         .                 # push *(EBP+8)
-    # . . call
-    e8/call  append-byte/disp32
-    # . . discard args
-    81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               8/imm32           # add to ESP
-    # AL = convert lower nibble to hex
-    8b/copy                         1/mod/*+disp8   5/rm32/EBP    .           .             .           0/r32/EAX   0xc/disp8       .                 # copy *(EBP+12) to EAX
-    25/and-EAX  0xf/imm32
-    # . AL = to-hex-char(AL)
-    e8/call  to-hex-char/disp32
-    # append-byte(f, AL)
-    # . . push args
-    50/push-EAX
-    ff          6/subop/push        1/mod/*+disp8   5/rm32/EBP    .           .             .           .           8/disp8         .                 # push *(EBP+8)
-    # . . call
-    e8/call  append-byte/disp32
-    # . . discard args
-    81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               8/imm32           # add to ESP
-$append-byte-hex:end:
-    # . restore registers
-    58/pop-to-EAX
-    # . epilog
-    89/copy                         3/mod/direct    4/rm32/ESP    .           .             .           5/r32/EBP   .               .                 # copy EBP to ESP
-    5d/pop-to-EBP
-    c3/return
-
-test-append-byte-hex:
-    # - check that append-byte-hex adds the hex textual representation
-    # 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
-    # append-byte-hex(_test-stream, 0xa)  # exercises digit, non-digit as well as leading zero
-    # . . push args
-    68/push  0xa/imm32
-    68/push  _test-stream/imm32
-    # . . call
-    e8/call  append-byte-hex/disp32
-    # . . discard args
-    81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               8/imm32           # add to ESP
-    # check-stream-equal(_test-stream, "0a", msg)
-    # . . push args
-    68/push  "F - test-append-byte-hex"/imm32
-    68/push  "0a"/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
-    # . end
-    c3/return
-
-# print the hex representation for the lowest byte of a number
-print-byte-buffered:  # f : (address buffered-file), n : int -> <void>
-    # . prolog
-    55/push-EBP
-    89/copy                         3/mod/direct    5/rm32/EBP    .           .             .           4/r32/ESP   .               .                 # copy ESP to EBP
-    # . save registers
-    50/push-EAX
-    # AL = convert upper nibble to hex
-    8b/copy                         1/mod/*+disp8   5/rm32/EBP    .           .             .           0/r32/EAX   0xc/disp8       .                 # copy *(EBP+12) to EAX
-    c1/shift    5/subop/logic-right 3/mod/direct    0/rm32/EAX    .           .             .           .           .               4/imm8            # shift EAX right by 4 bits, while padding zeroes
-    25/and-EAX  0xf/imm32
-    # . AL = to-hex-char(AL)
-    e8/call  to-hex-char/disp32
-    # write-byte-buffered(f, AL)
-    # . . push args
-    50/push-EAX
-    ff          6/subop/push        1/mod/*+disp8   5/rm32/EBP    .           .             .           .           8/disp8         .                 # push *(EBP+8)
-    # . . call
-    e8/call  write-byte-buffered/disp32
-    # . . discard args
-    81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               8/imm32           # add to ESP
-    # AL = convert lower nibble to hex
-    8b/copy                         1/mod/*+disp8   5/rm32/EBP    .           .             .           0/r32/EAX   0xc/disp8       .                 # copy *(EBP+12) to EAX
-    25/and-EAX  0xf/imm32
-    # . AL = to-hex-char(AL)
-    e8/call  to-hex-char/disp32
-    # write-byte-buffered(f, AL)
-    # . . push args
-    50/push-EAX
-    ff          6/subop/push        1/mod/*+disp8   5/rm32/EBP    .           .             .           .           8/disp8         .                 # push *(EBP+8)
-    # . . call
-    e8/call  write-byte-buffered/disp32
-    # . . discard args
-    81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               8/imm32           # add to ESP
-$print-byte-buffered:end:
-    # . restore registers
-    58/pop-to-EAX
-    # . epilog
-    89/copy                         3/mod/direct    4/rm32/ESP    .           .             .           5/r32/EBP   .               .                 # copy EBP to ESP
-    5d/pop-to-EBP
-    c3/return
-
-test-print-byte-buffered:
-    # - check that print-byte-buffered prints the hex textual representation
-    # 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+4)
-    # . . push args
-    b8/copy-to-EAX  _test-buffered-file/imm32
-    05/add-to-EAX  4/imm32
-    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
-    # print-byte-buffered(_test-buffered-file, 0xa)  # exercises digit, non-digit as well as leading zero
-    # . . push args
-    68/push  0xa/imm32
-    68/push  _test-buffered-file/imm32
-    # . . call
-    e8/call  print-byte-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, "0a", msg)
-    # . . push args
-    68/push  "F - test-print-byte-buffered"/imm32
-    68/push  "0a"/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
-    # . end
-    c3/return
-
-print-int32:  # f : (address stream), n : int -> <void>
-    # pseudocode:
-    #  write(f, "0x")
-    #  ECX = 28
-    #  while true
-    #    if (ECX < 0) break
-    #    EAX = n >> ECX
-    #    EAX = EAX & 0xf
-    #    append-byte(f, AL)
-    #    ECX -= 4
-    #
-    # . prolog
-    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
-    # ECX = 28
-    b9/copy-to-ECX  0x1c/imm32
-$print-int32:print-hex-prefix:
-    # write(f, "0x")
-    # . . push args
-    68/push  "0x"/imm32
-    ff          6/subop/push        1/mod/*+disp8   5/rm32/EBP    .           .             .           .           8/disp8         .                 # push *(EBP+8)
-    # . . call
-    e8/call  write/disp32
-    # . . discard args
-    81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               8/imm32           # add to ESP
-$print-int32:loop:
-    # if (ECX < 0) break
-    81          7/subop/compare     3/mod/direct    1/rm32/ECX    .           .             .           .           .               0/imm32           # compare ECX
-    7c/jump-if-lesser  $print-int32:end/disp8
-    # EAX = n >> ECX
-    8b/copy                         1/mod/*+disp8   5/rm32/EBP    .           .             .           0/r32/EAX   0xc/disp8       .                 # copy *(EBP+12) to EAX
-    d3/>>ECX    5/subop/pad-zeroes  3/mod/direct    0/rm32/EAX    .           .             .           .           .               .                 # shift EAX right by ECX bits, padding zeroes
-    # EAX = to-hex-char(AL)
-    25/and-EAX  0xf/imm32
-    e8/call  to-hex-char/disp32
-    # append-byte(f, AL)
-    # . . push args
-    50/push-EAX
-    ff          6/subop/push        1/mod/*+disp8   5/rm32/EBP    .           .             .           .           8/disp8         .                 # push *(EBP+8)
-    # . . call
-    e8/call  append-byte/disp32
-    # . . discard args
-    81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               8/imm32           # add to ESP
-    # ECX -= 4
-    81          5/subop/subtract    3/mod/direct    1/rm32/ECX    .           .             .           .           .               4/imm32           # subtract from ECX
-    eb/jump  $print-int32:loop/disp8
-$print-int32:end:
-    # . restore registers
-    59/pop-to-ECX
-    58/pop-to-EAX
-    # . epilog
-    89/copy                         3/mod/direct    4/rm32/ESP    .           .             .           5/r32/EBP   .               .                 # copy EBP to ESP
-    5d/pop-to-EBP
-    c3/return
-
-test-print-int32:
-    # - check that print-int32 prints the hex textual representation
-    # 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
-    # print-int32(_test-stream, 0x8899aa)
-    # . . push args
-    68/push  0x8899aa/imm32
-    68/push  _test-stream/imm32
-    # . . call
-    e8/call  print-int32/disp32
-    # . . discard args
-    81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               8/imm32           # add to ESP
-    # check-stream-equal(_test-stream, "0x008899aa", msg)
-    # . . push args
-    68/push  "F - test-print-int32"/imm32
-    68/push  "0x008899aa"/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
-    # . end
-    c3/return
-
-print-int32-buffered:  # f : (address buffered-file), n : int -> <void>
-    # pseudocode:
-    #  write-buffered(f, "0x")
-    #  ECX = 28
-    #  while true
-    #    if (ECX < 0) break
-    #    EAX = n >> ECX
-    #    EAX = EAX & 0xf
-    #    write-byte-buffered(f, AL)
-    #    ECX -= 4
-    #
-    # . prolog
-    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
-    # ECX = 28
-    b9/copy-to-ECX  0x1c/imm32
-$print-int32-buffered:print-hex-prefix:
-    # write-buffered(f, "0x")
-    # . . push args
-    68/push  "0x"/imm32
-    ff          6/subop/push        1/mod/*+disp8   5/rm32/EBP    .           .             .           .           8/disp8         .                 # push *(EBP+8)
-    # . . call
-    e8/call  write-buffered/disp32
-    # . . discard args
-    81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               8/imm32           # add to ESP
-$print-int32-buffered:loop:
-    # if (ECX < 0) break
-    81          7/subop/compare     3/mod/direct    1/rm32/ECX    .           .             .           .           .               0/imm32           # compare ECX
-    7c/jump-if-lesser  $print-int32-buffered:end/disp8
-    # EAX = n >> ECX
-    8b/copy                         1/mod/*+disp8   5/rm32/EBP    .           .             .           0/r32/EAX   0xc/disp8       .                 # copy *(EBP+12) to EAX
-    d3/>>ECX    5/subop/pad-zeroes  3/mod/direct    0/rm32/EAX    .           .             .           .           .               .                 # shift EAX right by ECX bits, padding zeroes
-    # EAX = to-hex-char(AL)
-    25/and-EAX  0xf/imm32
-    e8/call  to-hex-char/disp32
-    # write-byte-buffered(f, AL)
-    # . . push args
-    50/push-EAX
-    ff          6/subop/push        1/mod/*+disp8   5/rm32/EBP    .           .             .           .           8/disp8         .                 # push *(EBP+8)
-    # . . call
-    e8/call  write-byte-buffered/disp32
-    # . . discard args
-    81          0/subop/add         3/mod/direct    4/rm32/ESP    .           .             .           .           .               8/imm32           # add to ESP
-    # ECX -= 4
-    81          5/subop/subtract    3/mod/direct    1/rm32/ECX    .           .             .           .           .               4/imm32           # subtract from ECX
-    eb/jump  $print-int32-buffered:loop/disp8
-$print-int32-buffered:end:
-    # . restore registers
-    59/pop-to-ECX
-    58/pop-to-EAX
-    # . epilog
-    89/copy                         3/mod/direct    4/rm32/ESP    .           .             .           5/r32/EBP   .               .                 # copy EBP to ESP
-    5d/pop-to-EBP
-    c3/return
-
-test-print-int32-buffered:
-    # - check that print-int32-buffered prints the hex textual representation
-    # 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+4)
-    # . . push args
-    b8/copy-to-EAX  _test-buffered-file/imm32
-    05/add-to-EAX  4/imm32
-    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
-    # print-int32-buffered(_test-buffered-file, 0x8899aa)
-    # . . push args
-    68/push  0x8899aa/imm32
-    68/push  _test-buffered-file/imm32
-    # . . call
-    e8/call  print-int32-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
-#?     # dump line {{{
-#?     # . write-stream(2/stderr, line)
-#?     # . . push args
-#?     68/push  _test-stream/imm32
-#?     68/push  2/imm32/stderr
-#?     # . . call
-#?     e8/call  write-stream/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
-#?     # }}}
-    # check-stream-equal(_test-stream, "0x008899aa", msg)
-    # . . push args
-    68/push  "F - test-print-int32-buffered"/imm32
-    68/push  "0x008899aa"/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
-    # . end
-    c3/return
-
-# . . vim:nowrap:textwidth=0