17 lines
646 B
Zig
17 lines
646 B
Zig
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// TODO conditionally compile this differently for non-ELF
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#attribute("naked")
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export fn _start() -> unreachable {
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// TODO conditionally compile this differently for other architectures and other OSes
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asm volatile ("
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mov (%%rsp), %%rdi // first parameter is argc
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lea 0x8(%%rsp), %%rsi // second parameter is argv
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lea 0x10(%%rsp,%%rdi,8), %%rdx // third paremeter is env
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callq main
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mov %%rax, %%rdi // return value is the parameter to exit syscall
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mov $60, %%rax // 60 is exit syscall number
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syscall
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");
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unreachable
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}
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