25 lines
644 B
ArmAsm
25 lines
644 B
ArmAsm
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.text
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.globl main
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.extern printf
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main:
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# AMD64 Calling convention:
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# - The first six parameters are passed in the rsi, rbi, rdx, rdx, r8, and r9 registers.
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# - Any additional arguments are passed on the stack.
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# - An return value is returned in the rax register.
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# see https://en.wikipedia.org/wiki/X86_calling_conventions#x86-64_calling_conventions
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leaq fmt(%rip), %rdi # first parameter
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leaq msg(%rip), %rsi # second parameter
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mov $0, %eax
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call printf
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xor %eax,%eax # set 0 as exit code
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ret
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msg:
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.asciz "Hello world\n" # asciz puts a 0 byte at the end
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fmt:
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.asciz "%s" # asciz puts a 0 byte at the end
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