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AnswerAssembly Language Code .zero 1 .LC0 .string Enter.pdf
- 1. Answer: Assembly Language Code: .zero 1 .LC0: .string "Enter a string :" .LC1: .string "The number of uppercase letters are :" .LC2: .string "The number of lowercase letters are :" .LC3: .string "The total number of characters are : " main: pushq %rbp movq %rsp, %rbp subq $1024, %rsp movl $0, -8(%rbp) movl $0, -12(%rbp) movl $0, -16(%rbp) movl $.LC0, %esi movl std::cout, %edi call std::basic_ostream >& std::operator<< >(std::basic_ostream >&, char const*) leaq -1024(%rbp), %rax movl $1000, %edx movq %rax, %rsi movl std::cin, %edi call std::basic_istream >::getline(char*, long) movl $0, -4(%rbp) .L5: movl -4(%rbp), %eax cltq movzbl -1024(%rbp,%rax), %eax testb %al, %al je .L2 movl -4(%rbp), %eax cltq
- 2. movzbl -1024(%rbp,%rax), %eax cmpb$64, %al jle .L3 movl -4(%rbp), %eax cltq movzbl -1024(%rbp,%rax), %eax cmpb $90, %al jg .L3 addl $1, -12(%rbp) .L3: movl -4(%rbp), %eax cltq movzbl -1024(%rbp,%rax), %eax cmpb $96, %al jle .L4 movl -4(%rbp), %eax cltq movzbl -1024(%rbp,%rax), %eax cmpb $122, %al jg .L4 addl $1, -16(%rbp) .L4: addl $1, -4(%rbp) jmp .L5 .L2: movl $.LC1, %esi movl std::cout, %edi call std::basic_ostream >& std::operator<< >(std::basic_ostream >&, char const*) movq %rax, %rdx movl -12(%rbp), %eax movl %eax, %esi movq %rdx, %rdi call std::basic_ostream >::operator<<(int) movl std::basic_ostream >& std::endl >(std::basic_ostream >&), %esi movq %rax, %rdi call std::basic_ostream >::operator<<(std::basic_ostream >& (*)(std::basic_ostream >&))
- 3. movl $.LC2, %esi movlstd::cout, %edi call std::basic_ostream >& std::operator<< >(std::basic_ostream >&, char const*) movq %rax, %rdx movl -16(%rbp), %eax movl %eax, %esi movq %rdx, %rdi call std::basic_ostream >::operator<<(int) movl std::basic_ostream >& std::endl >(std::basic_ostream >&), %esi movq %rax, %rdi call std::basic_ostream >::operator<<(std::basic_ostream >& (*)(std::basic_ostream >&)) movl $0, -4(%rbp) .L7: movl -4(%rbp), %eax cltq movzbl -1024(%rbp,%rax), %eax testb %al, %al je .L6 addl $1, -8(%rbp) addl $1, -4(%rbp) jmp .L7 .L6: movl $.LC3, %esi movl std::cout, %edi call std::basic_ostream >& std::operator<< >(std::basic_ostream >&, char const*) movq %rax, %rdx movl -8(%rbp), %eax movl %eax, %esi movq %rdx, %rdi call std::basic_ostream >::operator<<(int) movl $0, %eax leave ret __static_initialization_and_destruction_0(int, int): pushq %rbp movq %rsp, %rbp
- 4. subq $16, %rsp movl%edi, -4(%rbp) movl %esi, -8(%rbp) cmpl $1, -4(%rbp) jne .L11 cmpl $65535, -8(%rbp) jne .L11 movl std::__ioinit, %edi call std::ios_base::Init::Init() movl $__dso_handle, %edx movl std::__ioinit, %esi movl std::ios_base::Init::~Init(), %edi call __cxa_atexit .L11: nop leave ret pushq %rbp movq %rsp, %rbp movl $65535, %esi movl $1, %edi call __static_initialization_and_destruction_0(int, int) popq %rbp ret Solution Answer: Assembly Language Code : .zero 1 .LC0: .string "Enter a string :" .LC1: .string "The number of uppercase letters are :" .LC2: .string "The number of lowercase letters are :"
- 5. .LC3: .string "The totalnumber of characters are : " main: pushq %rbp movq %rsp, %rbp subq $1024, %rsp movl $0, -8(%rbp) movl $0, -12(%rbp) movl $0, -16(%rbp) movl $.LC0, %esi movl std::cout, %edi call std::basic_ostream >& std::operator<< >(std::basic_ostream >&, char const*) leaq -1024(%rbp), %rax movl $1000, %edx movq %rax, %rsi movl std::cin, %edi call std::basic_istream >::getline(char*, long) movl $0, -4(%rbp) .L5: movl -4(%rbp), %eax cltq movzbl -1024(%rbp,%rax), %eax testb %al, %al je .L2 movl -4(%rbp), %eax cltq movzbl -1024(%rbp,%rax), %eax cmpb $64, %al jle .L3 movl -4(%rbp), %eax cltq movzbl -1024(%rbp,%rax), %eax cmpb $90, %al jg .L3 addl $1, -12(%rbp) .L3:
- 6. movl -4(%rbp), %eax cltq movzbl-1024(%rbp,%rax), %eax cmpb $96, %al jle .L4 movl -4(%rbp), %eax cltq movzbl -1024(%rbp,%rax), %eax cmpb $122, %al jg .L4 addl $1, -16(%rbp) .L4: addl $1, -4(%rbp) jmp .L5 .L2: movl $.LC1, %esi movl std::cout, %edi call std::basic_ostream >& std::operator<< >(std::basic_ostream >&, char const*) movq %rax, %rdx movl -12(%rbp), %eax movl %eax, %esi movq %rdx, %rdi call std::basic_ostream >::operator<<(int) movl std::basic_ostream >& std::endl >(std::basic_ostream >&), %esi movq %rax, %rdi call std::basic_ostream >::operator<<(std::basic_ostream >& (*)(std::basic_ostream >&)) movl $.LC2, %esi movl std::cout, %edi call std::basic_ostream >& std::operator<< >(std::basic_ostream >&, char const*) movq %rax, %rdx movl -16(%rbp), %eax movl %eax, %esi movq %rdx, %rdi call std::basic_ostream >::operator<<(int) movl std::basic_ostream >& std::endl >(std::basic_ostream >&), %esi movq %rax, %rdi
- 7. call std::basic_ostream >::operator<<(std::basic_ostream>& (*)(std::basic_ostream >&)) movl $0, -4(%rbp) .L7: movl -4(%rbp), %eax cltq movzbl -1024(%rbp,%rax), %eax testb %al, %al je .L6 addl $1, -8(%rbp) addl $1, -4(%rbp) jmp .L7 .L6: movl $.LC3, %esi movl std::cout, %edi call std::basic_ostream >& std::operator<< >(std::basic_ostream >&, char const*) movq %rax, %rdx movl -8(%rbp), %eax movl %eax, %esi movq %rdx, %rdi call std::basic_ostream >::operator<<(int) movl $0, %eax leave ret __static_initialization_and_destruction_0(int, int): pushq %rbp movq %rsp, %rbp subq $16, %rsp movl %edi, -4(%rbp) movl %esi, -8(%rbp) cmpl $1, -4(%rbp) jne .L11 cmpl $65535, -8(%rbp) jne .L11 movl std::__ioinit, %edi call std::ios_base::Init::Init() movl $__dso_handle, %edx
- 8. movl std::__ioinit, %esi movlstd::ios_base::Init::~Init(), %edi call __cxa_atexit .L11: nop leave ret pushq %rbp movq %rsp, %rbp movl $65535, %esi movl $1, %edi call __static_initialization_and_destruction_0(int, int) popq %rbp ret