diff options
Diffstat (limited to 'subx/051test.subx')
-rw-r--r-- | subx/051test.subx | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/subx/051test.subx b/subx/051test.subx index e665793a..2f93c914 100644 --- a/subx/051test.subx +++ b/subx/051test.subx @@ -1,9 +1,9 @@ # Rudimentary test harness == code -# instruction effective address operand 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 +# 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 # main: (manual test if this is the last file loaded) # check-ints-equal(34, 34) @@ -19,10 +19,10 @@ # print msg to stderr if a != b, otherwise print "." check-ints-equal: # (a : int, b : int, msg : (address array byte)) -> boolean - # prolog + # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP - # save registers + # . save registers 51/push-ECX 53/push-EBX # load first 2 args into EAX and EBX @@ -32,41 +32,41 @@ check-ints-equal: # (a : int, b : int, msg : (address array byte)) -> boolean 39/compare 3/mod/direct 0/rm32/EAX . . . 3/r32/EBX . . # compare EAX and EBX 75/jump-if-unequal $check-ints-equal:else/disp8 # _write(2/stderr, '.') - # push args + # . . push args 68/push "."/imm32 68/push 2/imm32/stderr - # call + # . . call e8/call _write/disp32 - # discard args + # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # return eb/jump $check-ints-equal:end/disp8 # else: $check-ints-equal:else: # _write(2/stderr, msg) - # push args + # . . push args 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 1/r32/ECX 0x10/disp8 . # copy *(EBP+16) to ECX 51/push-ECX 68/push 2/imm32/stderr - # call + # . . call e8/call _write/disp32 - # discard args + # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # _write(2/stderr, Newline) - # push args + # . . push args 68/push Newline/imm32 68/push 2/imm32/stderr - # call + # . . call e8/call _write/disp32 - # discard args + # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # increment Num-test-failures ff 0/subop/increment 0/mod/indirect 5/rm32/.disp32 . . . Num-test-failures/disp32 # increment *Num-test-failures $check-ints-equal:end: - # restore registers + # . restore registers 5b/pop-to-EBX 59/pop-to-ECX - # epilog + # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return @@ -82,4 +82,4 @@ Newline: Num-test-failures: 00 00 00 00 -# vim:nowrap:textwidth=0 +# . . vim:nowrap:textwidth=0 |