diff options
Diffstat (limited to 'subx/examples/ex11.subx')
| -rw-r--r-- | subx/examples/ex11.subx | 76 |
1 files changed, 44 insertions, 32 deletions
diff --git a/subx/examples/ex11.subx b/subx/examples/ex11.subx index 460c3430..b651bf22 100644 --- a/subx/examples/ex11.subx +++ b/subx/examples/ex11.subx @@ -44,12 +44,12 @@ argv_equal: # s : null-terminated ascii string, benchmark : length-prefixed asc # return *s1 == 0 # initialize s into EDI - 8b/copy 1/mod/*+disp8 4/rm32/sib 4/base/ESP 4/index/none . 7/r32/EDI 8/disp8 . # copy *(ESP+8) to EDI + 8b/copy 1/mod/*+disp8 4/rm32/sib 4/base/ESP 4/index/none . 7/r32/EDI 4/disp8 . # copy *(ESP+4) to EDI # initialize benchmark length n into EDX - 8b/copy 1/mod/*+disp8 4/rm32/sib 4/base/ESP 4/index/none . 2/r32/EDX 4/disp8 . # copy *(ESP+4) to EDX + 8b/copy 1/mod/*+disp8 4/rm32/sib 4/base/ESP 4/index/none . 2/r32/EDX 8/disp8 . # copy *(ESP+8) to EDX 8b/copy 0/mod/indirect 2/rm32/EDX . . . 2/r32/EDX . . # copy *EDX to EDX # initialize benchmark data into ESI - 8b/copy 1/mod/*+disp8 4/rm32/sib 4/base/ESP 4/index/none . 6/r32/ESI 4/disp8 . # copy *(ESP+4) to ESI + 8b/copy 1/mod/*+disp8 4/rm32/sib 4/base/ESP 4/index/none . 6/r32/ESI 8/disp8 . # copy *(ESP+8) to ESI 81 0/subop/add 3/mod/direct 6/rm32/ESI . . . . . 4/imm32 # add 4 to ESI # initialize loop counter i into ECX b9/copy . . . . . . . 0/imm32/exit # copy 1 to ECX @@ -92,16 +92,17 @@ $argv_fail: test_compare_null_argv_with_empty_array: # EAX = argv_equal(Null_argv, "") # push args - 68/push Null_argv/imm32 68/push ""/imm32 + 68/push Null_argv/imm32 # call e8/call argv_equal/disp32 # discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add 8 to ESP - # call check_ints_equal(EAX, 1) - 50/push-EAX - 68/push 1/imm32/true + # call check_ints_equal(EAX, 1, msg) + # push args 68/push "F - test_compare_null_argv_with_empty_array"/imm32 + 68/push 1/imm32/true + 50/push-EAX # call e8/call check_ints_equal/disp32 # discard args @@ -111,16 +112,17 @@ test_compare_null_argv_with_empty_array: test_compare_null_argv_with_non_empty_array: # EAX = argv_equal(Null_argv, "Abc") # push args - 68/push Null_argv/imm32 68/push "Abc"/imm32 + 68/push Null_argv/imm32 # call e8/call argv_equal/disp32 # discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add 8 to ESP - # call check_ints_equal(EAX, 0) - 50/push-EAX - 68/push 0/imm32/false + # call check_ints_equal(EAX, 0, msg) + # push args 68/push "F - test_compare_null_argv_with_non_empty_array"/imm32 + 68/push 0/imm32/false + 50/push-EAX # call e8/call check_ints_equal/disp32 # discard args @@ -130,16 +132,17 @@ test_compare_null_argv_with_non_empty_array: test_compare_argv_with_equal_array: # EAX = argv_equal(Abc_argv, "Abc") # push args - 68/push Abc_argv/imm32 68/push "Abc"/imm32 + 68/push Abc_argv/imm32 # call e8/call argv_equal/disp32 # discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add 8 to ESP - # call check_ints_equal(EAX, 1) - 50/push-EAX - 68/push 1/imm32/true + # call check_ints_equal(EAX, 1, msg) + # push args 68/push "F - test_compare_argv_with_equal_array"/imm32 + 68/push 1/imm32/true + 50/push-EAX # call e8/call check_ints_equal/disp32 # discard args @@ -149,16 +152,17 @@ test_compare_argv_with_equal_array: test_compare_argv_with_inequal_array: # EAX = argv_equal(Abc_argv, "Adc") # push args - 68/push Abc_argv/imm32 68/push "Adc"/imm32 + 68/push Abc_argv/imm32 # call e8/call argv_equal/disp32 # discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add 8 to ESP - # call check_ints_equal(EAX, 0) - 50/push-EAX - 68/push 0/imm32/false + # call check_ints_equal(EAX, 0, msg) + # push args 68/push "F - test_compare_argv_with_equal_array"/imm32 + 68/push 0/imm32/false + 50/push-EAX # call e8/call check_ints_equal/disp32 # discard args @@ -168,16 +172,17 @@ test_compare_argv_with_inequal_array: test_compare_argv_with_empty_array: # EAX = argv_equal(Abc_argv, "") # push args - 68/push Abc_argv/imm32 68/push ""/imm32 + 68/push Abc_argv/imm32 # call e8/call argv_equal/disp32 # discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add 8 to ESP # call check_ints_equal(EAX, 0) - 50/push-EAX - 68/push 0/imm32/false + # push args 68/push "F - test_compare_argv_with_equal_array"/imm32 + 68/push 0/imm32/false + 50/push-EAX # call e8/call check_ints_equal/disp32 # discard args @@ -187,16 +192,17 @@ test_compare_argv_with_empty_array: test_compare_argv_with_shorter_array: # EAX = argv_equal(Abc_argv, "Ab") # push args - 68/push Abc_argv/imm32 68/push "Ab"/imm32 + 68/push Abc_argv/imm32 # call e8/call argv_equal/disp32 # discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add 8 to ESP # call check_ints_equal(EAX, 0) - 50/push-EAX - 68/push 0/imm32/false + # push args 68/push "F - test_compare_argv_with_shorter_array"/imm32 + 68/push 0/imm32/false + 50/push-EAX # call e8/call check_ints_equal/disp32 # discard args @@ -206,16 +212,17 @@ test_compare_argv_with_shorter_array: test_compare_argv_with_longer_array: # EAX = argv_equal(Abc_argv, "Abcd") # push args - 68/push Abc_argv/imm32 68/push "Abcd"/imm32 + 68/push Abc_argv/imm32 # call e8/call argv_equal/disp32 # discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add 8 to ESP # call check_ints_equal(EAX, 0) - 50/push-EAX - 68/push 0/imm32/false + # push args 68/push "F - test_compare_argv_with_longer_array"/imm32 + 68/push 0/imm32/false + 50/push-EAX # call e8/call check_ints_equal/disp32 # discard args @@ -227,7 +234,7 @@ test_compare_argv_with_longer_array: # print msg to stderr if a != b, otherwise print "." check_ints_equal: # (a : int, b : int, msg : (address array byte)) -> boolean # load args into EAX, EBX and ECX - 8b/copy 1/mod/*+disp8 4/rm32/sib 4/base/ESP 4/index/none . 0/r32/EAX 0xc/disp8 . # copy *(ESP+12) to EAX + 8b/copy 1/mod/*+disp8 4/rm32/sib 4/base/ESP 4/index/none . 0/r32/EAX 0x4/disp8 . # copy *(ESP+4) to EAX 8b/copy 1/mod/*+disp8 4/rm32/sib 4/base/ESP 4/index/none . 3/r32/EBX 0x8/disp8 . # copy *(ESP+8) to EBX # if EAX == b/EBX 39/compare 3/mod/direct 0/rm32/EAX . . . 3/r32/EBX . . # compare EAX and EBX @@ -244,7 +251,7 @@ check_ints_equal: # (a : int, b : int, msg : (address array byte)) -> boolean # else: $check_ints_equal:else: # copy msg into ECX - 8b/copy 1/mod/*+disp8 4/rm32/sib 4/base/ESP 4/index/none . 1/r32/ECX 4/disp8 . # copy *(ESP+4) to ECX + 8b/copy 1/mod/*+disp8 4/rm32/sib 4/base/ESP 4/index/none . 1/r32/ECX 0xc/disp8 . # copy *(ESP+12) to ECX # print(ECX) # push args 51/push-ECX @@ -263,6 +270,9 @@ $check_ints_equal:else: c3/return write_stderr: # s : (address array byte) -> <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 51/push-ECX @@ -272,10 +282,10 @@ write_stderr: # s : (address array byte) -> <void> # fd = 2 (stderr) bb/copy . . . . . . . 2/imm32 # copy 2 to EBX # x = s+4 - 8b/copy 1/mod/*+disp8 4/rm32/SIB 4/base/ESP 4/index/none . 1/r32/ECX 0x14/disp8 . # copy *(ESP+20) to ECX + 8b/copy 1/mod/*+disp8 4/rm32/SIB 5/base/EBP 4/index/none . 1/r32/ECX 8/disp8 . # copy *(EBP+8) to ECX 81 0/subop/add 3/mod/direct 1/rm32/ECX . . . . . 4/imm32 # add 4 to ECX # size = *s - 8b/copy 1/mod/*+disp8 4/rm32/SIB 4/base/ESP 4/index/none . 2/r32/EDX 0x14/disp8 . # copy *(ESP+20) to EDX + 8b/copy 1/mod/*+disp8 4/rm32/SIB 5/base/EBP 4/index/none . 2/r32/EDX 8/disp8 . # copy *(EBP+8) to EDX 8b/copy 0/mod/indirect 2/rm32/EDX . . . 2/r32/EDX . . # copy *EDX to EDX # call write() b8/copy . . . . . . . 4/imm32/write # copy 1 to EAX @@ -286,6 +296,8 @@ write_stderr: # s : (address array byte) -> <void> 59/pop-ECX 58/pop-EAX # end + 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP + 5d/pop-to-EBP c3/return == data |