forked from Bananymous/banan-os
46 lines
602 B
ArmAsm
46 lines
602 B
ArmAsm
.section .text
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.global _start
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_start:
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# get argc, argv, envp
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movq (%rsp), %rdi
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leaq 8(%rsp), %rsi
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leaq 8(%rsi, %rdi, 8), %rdx
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# align stack
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andq $-16, %rsp
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xorq %rbp, %rbp
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# save argc, argv, envp
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subq $8, %rsp
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pushq %rdi
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pushq %rsi
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pushq %rdx
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movq %rdx, %rdi # environ
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pushq $__fini_array_end
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pushq $__fini_array_start
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pushq $_fini
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pushq $__init_array_end
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pushq $__init_array_start
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pushq $_init
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call _init_libc
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addq $(6 * 8), %rsp
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# call main
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popq %rdx
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popq %rsi
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popq %rdi
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addq $8, %rsp
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call main
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# call exit
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movq %rax, %rdi
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call exit
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.size _start, . - _start
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