In ia32, how does one put the program counter value into an integer register?

1. Call Next
2. Next:
3. Pop1%Eax

 

This is an assemblyCodeIn the beginning, it seems strange that the call command does not match ret.

Then we realized that it was not a real process call at all.

 

What is the value of register % eax set?

A: % eax is set to the address of the popl command.

 

Please explain why there is no matching RET command in this call?

A: This is not a real sub-process call, because the control is performed in the same order as the command, and the return value is popped up from the stack.

 

What functions does this code complete?

A: This is Lieutenant General ia32.ProgramThe unique method for placing the value of the counter EIP in the integer register.

 

What is ia32?

A: Intel uses its instruction set as ia32. ia32, short for Intel architecture 32-bit. It indicates the intel32-bit architecture. This processor series is also known as x86.

 

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