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Express the following functions, is the breakpoints set and trace into functions and establish that your math is correct? section . text global _ start
Express the following functions, is the breakpoints set and trace into functions and establish that your math is correct? section text global start global DemoFastCall ; DemoFastCall function implementation DemoFastCall: ; Perform arithmetic: EAX EAX EBXECX EDX add eax, ebx ; EAX EAX EBX sub eax, ecx ; EAX EAX ECX sub eax, edx ; EAX EAX EDX ret ; Entry point for the program start: ; Initialize the registers for demonstration mov eax, ; EAX mov ebx, ; EBX mov ecx, ; ECX mov edx, ; EDX ; Call DemoFastCall function call DemoFastCall ; After the call, the result will be in EAX ; For demonstration, you can handle the result as needed ; For now, let's terminate the program ; Exit the program mov rax, ; syscall number for exit xor rdi, rdi ; exit code syscall section text global start global DemoCdecl ; DemoCdecl function implementation DemoCdecl: ; Save the base pointer and set up the stack frame push rbp mov rbp rsp ; Parameters are pushed onto the stack by the caller ; Arithmetic operation: EAX rbp rbp rbp rbp rbp mov eax, rbp ; A add eax, rbp ; A B sub eax, rbp ; A B C sub eax, rbp ; A B C D imul eax, rbp ; A BC D E ; Clean up the stack and restore the base pointer pop rbp ret ; Clean up bytes from the stack ; Entry point for the program start: ; Set up parameters for DemoCdecl function A B C D E push ; E pushed first push ; D push ; C push ; B push ; A ; Call DemoCdecl function call DemoCdecl ; After the call, the result will be in EAX ; For demonstration, you can handle the result as needed ; For now, let's terminate the program ; Exit the program mov rax, ; syscall number for exit xor rdi, rdi ; exit code syscall
Express the following functions, is the breakpoints set and trace into functions and establish that your math is correct?
section text
global start
global DemoFastCall
; DemoFastCall function implementation
DemoFastCall:
; Perform arithmetic: EAX EAX EBXECX EDX
add eax, ebx ; EAX EAX EBX
sub eax, ecx ; EAX EAX ECX
sub eax, edx ; EAX EAX EDX
ret
; Entry point for the program
start:
; Initialize the registers for demonstration
mov eax, ; EAX
mov ebx, ; EBX
mov ecx, ; ECX
mov edx, ; EDX
; Call DemoFastCall function
call DemoFastCall
; After the call, the result will be in EAX
; For demonstration, you can handle the result as needed
; For now, let's terminate the program
; Exit the program
mov rax, ; syscall number for exit
xor rdi, rdi ; exit code
syscall
section text
global start
global DemoCdecl
; DemoCdecl function implementation
DemoCdecl:
; Save the base pointer and set up the stack frame
push rbp
mov rbp rsp
; Parameters are pushed onto the stack by the caller
; Arithmetic operation: EAX rbp rbp rbp rbp rbp
mov eax, rbp ; A
add eax, rbp ; A B
sub eax, rbp ; A B C
sub eax, rbp ; A B C D
imul eax, rbp ; A BC D E
; Clean up the stack and restore the base pointer
pop rbp
ret ; Clean up bytes from the stack
; Entry point for the program
start:
; Set up parameters for DemoCdecl function A B C D E
push ; E pushed first
push ; D
push ; C
push ; B
push ; A
; Call DemoCdecl function
call DemoCdecl
; After the call, the result will be in EAX
; For demonstration, you can handle the result as needed
; For now, let's terminate the program
; Exit the program
mov rax, ; syscall number for exit
xor rdi, rdi ; exit code
syscall
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