David L. Campbell
75 lines
2.0 KiB
Rust
75 lines
2.0 KiB
Rust
use super::error::{Error, Result};
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pub unsafe fn syscall0(mut a: usize) -> Result<usize> {
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llvm_asm!("syscall"
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: "={rax}"(a)
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: "{rax}"(a)
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: "rcx", "r11", "memory"
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: "intel", "volatile");
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Error::demux(a)
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}
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pub unsafe fn syscall1(mut a: usize, b: usize) -> Result<usize> {
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llvm_asm!("syscall"
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: "={rax}"(a)
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: "{rax}"(a), "{rdi}"(b)
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: "rcx", "r11", "memory"
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: "intel", "volatile");
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Error::demux(a)
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}
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// Clobbers all registers - special for clone
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pub unsafe fn syscall1_clobber(mut a: usize, b: usize) -> Result<usize> {
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llvm_asm!("syscall"
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: "={rax}"(a)
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: "{rax}"(a), "{rdi}"(b)
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: "memory", "rbx", "rcx", "rdx", "rsi", "rdi", "r8",
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"r9", "r10", "r11", "r12", "r13", "r14", "r15"
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: "intel", "volatile");
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Error::demux(a)
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}
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pub unsafe fn syscall2(mut a: usize, b: usize, c: usize) -> Result<usize> {
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llvm_asm!("syscall"
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: "={rax}"(a)
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: "{rax}"(a), "{rdi}"(b), "{rsi}"(c)
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: "rcx", "r11", "memory"
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: "intel", "volatile");
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Error::demux(a)
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}
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pub unsafe fn syscall3(mut a: usize, b: usize, c: usize, d: usize) -> Result<usize> {
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llvm_asm!("syscall"
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: "={rax}"(a)
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: "{rax}"(a), "{rdi}"(b), "{rsi}"(c), "{rdx}"(d)
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: "rcx", "r11", "memory"
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: "intel", "volatile");
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Error::demux(a)
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}
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pub unsafe fn syscall4(mut a: usize, b: usize, c: usize, d: usize, e: usize) -> Result<usize> {
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llvm_asm!("syscall"
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: "={rax}"(a)
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: "{rax}"(a), "{rdi}"(b), "{rsi}"(c), "{rdx}"(d), "{r10}"(e)
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: "rcx", "r11", "memory"
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: "intel", "volatile");
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Error::demux(a)
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}
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pub unsafe fn syscall5(mut a: usize, b: usize, c: usize, d: usize, e: usize, f: usize)
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-> Result<usize> {
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llvm_asm!("syscall"
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: "={rax}"(a)
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: "{rax}"(a), "{rdi}"(b), "{rsi}"(c), "{rdx}"(d), "{r10}"(e), "{r8}"(f)
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: "rcx", "r11", "memory"
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: "intel", "volatile");
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Error::demux(a)
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}
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