Reverse Engineering for Beginners
CHAPTER 17. FLOATING-POINT UNIT CHAPTER 17. FLOATING-POINT UNIT The constants are loaded intoD0andD1: pow() takes them from ther ...
CHAPTER 17. FLOATING-POINT UNIT CHAPTER 17. FLOATING-POINT UNIT 17.7 Comparison example Let’s try this: include <stdio.h> ...
CHAPTER 17. FLOATING-POINT UNIT CHAPTER 17. FLOATING-POINT UNIT Unfortunately, CPUs before Intel P6^13 don’t have any conditiona ...
CHAPTER 17. FLOATING-POINT UNIT CHAPTER 17. FLOATING-POINT UNIT First OllyDbg example: a=1.2 and b=3.4 Let’s load the example in ...
CHAPTER 17. FLOATING-POINT UNIT CHAPTER 17. FLOATING-POINT UNIT FCOMPis executed: Figure 17.7:OllyDbg:FCOMPis executed We see th ...
CHAPTER 17. FLOATING-POINT UNIT CHAPTER 17. FLOATING-POINT UNIT FNSTSWis executed: Figure 17.8:OllyDbg:FNSTSWis executed We see ...
CHAPTER 17. FLOATING-POINT UNIT CHAPTER 17. FLOATING-POINT UNIT TESTis executed: Figure 17.9:OllyDbg:TESTis executed ThePFflag i ...
CHAPTER 17. FLOATING-POINT UNIT CHAPTER 17. FLOATING-POINT UNIT JPEtriggered,FLDloads the value ofb(3.4) inST(0): Figure 17.10:O ...
CHAPTER 17. FLOATING-POINT UNIT CHAPTER 17. FLOATING-POINT UNIT Second OllyDbg example: a=5.6 and b=-4 Let’s load example into O ...
CHAPTER 17. FLOATING-POINT UNIT CHAPTER 17. FLOATING-POINT UNIT FCOMPexecuted: Figure 17.12:OllyDbg:FCOMPexecuted We see the sta ...
CHAPTER 17. FLOATING-POINT UNIT CHAPTER 17. FLOATING-POINT UNIT FNSTSWexecuted: Figure 17.13:OllyDbg:FNSTSWexecuted We see that ...
CHAPTER 17. FLOATING-POINT UNIT CHAPTER 17. FLOATING-POINT UNIT TESTexecuted: Figure 17.14:OllyDbg:TESTexecuted ThePF flag is cl ...
CHAPTER 17. FLOATING-POINT UNIT CHAPTER 17. FLOATING-POINT UNIT JPEwasn’t triggered, soFLDloads the value ofa(5.6) inST(0): Figu ...
CHAPTER 17. FLOATING-POINT UNIT CHAPTER 17. FLOATING-POINT UNIT ret 0 _d_max ENDP FCOMdiffers fromFCOMPin the sense that it just ...
CHAPTER 17. FLOATING-POINT UNIT CHAPTER 17. FLOATING-POINT UNIT First OllyDbg example: a=1.2 and b=3.4 BothFLDare executed: Figu ...
CHAPTER 17. FLOATING-POINT UNIT CHAPTER 17. FLOATING-POINT UNIT FCOMis done: Figure 17.17:OllyDbg:FCOMis done C0is set, all othe ...
CHAPTER 17. FLOATING-POINT UNIT CHAPTER 17. FLOATING-POINT UNIT FNSTSWis done,AX=0x3100: Figure 17.18:OllyDbg:FNSTSWis executed ...
CHAPTER 17. FLOATING-POINT UNIT CHAPTER 17. FLOATING-POINT UNIT TESTis executed: Figure 17.19:OllyDbg:TESTis executed ZF=0, cond ...
CHAPTER 17. FLOATING-POINT UNIT CHAPTER 17. FLOATING-POINT UNIT FSTP ST(orFSTP ST(0)) was executed —1.2 was popped from the stac ...
CHAPTER 17. FLOATING-POINT UNIT CHAPTER 17. FLOATING-POINT UNIT Second OllyDbg example: a=5.6 and b=-4 BothFLDare executed: Figu ...
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