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- What is an assembly-level representation of pushl/popl %esp?
- Does it matter where the ret instruction is called in a procedure in x86 assembly
- how does push and pop work in assembly
- Why is GCC pushing an extra return address on the stack?
- Micro fusion and addressing modes
- Why doesn’t GCC use partial registers?
- A couple of questions about [base + index*scale + disp] and AT&T disp(base, index, scale)
- rbp not allowed as SIB base?
- What is exactly the base pointer and stack pointer? To what do they point?
- What does cltq do in assembly?
- Bomb lab phase 5 – 6 char string, movzbl load, and $0xf, %ecx, and index an array with that?
- Is it valid to write below ESP?
- x86-32 / x86-64 polyglot machine-code fragment that detects 64bit mode at run-time?
- What are the segment and offset in real mode memory addressing?
- Do terms like direct/indirect addressing mode actual exists in the Intel x86 manuals
- Does it make any sense to use the LFENCE instruction on x86/x86_64 processors?
- What is the x86 “ret” instruction equivalent to?
- Assembly difference between [var], and var
- What does `dword ptr` mean?
- 8086 random number generator (not just using the system time)?
- Why are x86 registers named the way they are?
- Carry Flag, Auxiliary Flag and Overflow Flag in Assembly
- What is instruction fusion in contemporary x86 processors?
- call subroutines conditionally in assembly
- Using 8-bit registers in x86-64 indexed addressing modes
- Is there a specification of x86 I/O port assignment?
- Can PTEST be used to test if two registers are both zero or some other condition?
- How is POPCNT implemented in hardware?
- Solution needed for building a static IDT and GDT at assemble/compile/link time
- What is register %eiz?