Reverse Engineering for Beginners

(avery) #1

CHAPTER 78. DONGLES CHAPTER 78. DONGLES


seg000:00118928 40 82 00 0C bne loc_118934
seg000:0011892C 38 60 00 01 li %r3, 1
seg000:00118930 48 00 01 40 b exit
seg000:00118934
seg000:00118934 loc_118934: # CODE XREF: check3+1ECj
seg000:00118934 80 DE 00 00 lwz %r6, dword_24B704
seg000:00118938 38 81 00 38 addi %r4, %sp, 0x50+var_18
seg000:0011893C 38 60 00 0D li %r3, 0xD
seg000:00118940 38 A0 00 00 li %r5, 0
seg000:00118944 48 00 BE 85 bl .RBEREAD
seg000:00118948 60 00 00 00 nop
seg000:0011894C 54 60 04 3F clrlwi. %r0, %r3, 16
seg000:00118950 41 82 00 0C beq loc_11895C
seg000:00118954 38 60 00 00 li %r3, 0
seg000:00118958 48 00 01 18 b exit
seg000:0011895C
seg000:0011895C loc_11895C: # CODE XREF: check3+214j
seg000:0011895C A0 01 00 38 lhz %r0, 0x50+var_18(%sp)
seg000:00118960 28 00 07 CF cmplwi %r0, 0xFC7
seg000:00118964 41 82 00 0C beq loc_118970
seg000:00118968 38 60 00 00 li %r3, 0
seg000:0011896C 48 00 01 04 b exit
seg000:00118970
seg000:00118970 loc_118970: # CODE XREF: check3+228j
seg000:00118970 28 1F 00 03 cmplwi %r31, 3
seg000:00118974 40 82 00 F8 bne error
seg000:00118978 38 60 00 01 li %r3, 1
seg000:0011897C 48 00 00 F4 b exit
seg000:00118980
seg000:00118980 loc_118980: # CODE XREF: check3+B8j
seg000:00118980 # check3+C4j
seg000:00118980 80 DE 00 00 lwz %r6, dword_24B704
seg000:00118984 38 81 00 38 addi %r4, %sp, 0x50+var_18
seg000:00118988 3B E0 00 00 li %r31, 0
seg000:0011898C 38 60 00 04 li %r3, 4
seg000:00118990 38 A0 00 00 li %r5, 0
seg000:00118994 48 00 BE 35 bl .RBEREAD
seg000:00118998 60 00 00 00 nop
seg000:0011899C 54 60 04 3F clrlwi. %r0, %r3, 16
seg000:001189A0 41 82 00 0C beq loc_1189AC
seg000:001189A4 38 60 00 00 li %r3, 0
seg000:001189A8 48 00 00 C8 b exit
seg000:001189AC
seg000:001189AC loc_1189AC: # CODE XREF: check3+264j
seg000:001189AC A0 01 00 38 lhz %r0, 0x50+var_18(%sp)
seg000:001189B0 28 00 1D 6A cmplwi %r0, 0xAED0
seg000:001189B4 40 82 00 0C bne loc_1189C0
seg000:001189B8 3B E0 00 01 li %r31, 1
seg000:001189BC 48 00 00 14 b loc_1189D0
seg000:001189C0
seg000:001189C0 loc_1189C0: # CODE XREF: check3+278j
seg000:001189C0 28 00 18 28 cmplwi %r0, 0x2818
seg000:001189C4 41 82 00 0C beq loc_1189D0
seg000:001189C8 38 60 00 00 li %r3, 0
seg000:001189CC 48 00 00 A4 b exit
seg000:001189D0
seg000:001189D0 loc_1189D0: # CODE XREF: check3+280j
seg000:001189D0 # check3+288j
seg000:001189D0 57 A0 06 3E clrlwi %r0, %r29, 24
seg000:001189D4 28 00 00 02 cmplwi %r0, 2
seg000:001189D8 40 82 00 20 bne loc_1189F8
seg000:001189DC 57 E0 06 3F clrlwi. %r0, %r31, 24
seg000:001189E0 41 82 00 10 beq good2
seg000:001189E4 48 00 4C 69 bl sub_11D64C
seg000:001189E8 60 00 00 00 nop
seg000:001189EC 48 00 00 84 b exit
seg000:001189F0
seg000:001189F0 good2: # CODE XREF: check3+2A4j
seg000:001189F0 38 60 00 01 li %r3, 1
seg000:001189F4 48 00 00 7C b exit

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