squiid/syscall.rs
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Fix syscall for macos

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This commit is contained in:
Agustin Chiappe Berrini 2020-07-16 06:29:05 -07:00
parent bf46a06832
commit 7ff94a68cd
2 changed files with 10 additions and 8 deletions
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2
Cargo.toml
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@ -7,4 +7,4 @@ license = "MIT/Apache-2.0"
name = "sc"
readme = "README.md"
repository = "https://github.com/japaric/syscall.rs"
version = "0.2.2"
version = "0.2.3"

16
src/platform/macos-x86_64/mod.rs
View file

@ -11,11 +11,13 @@
pub mod nr;
const MACOS_SYSCALL_PREFIX: usize = 33554432;
#[inline(always)]
pub unsafe fn syscall0(n: usize) -> usize {
let ret: usize;
llvm_asm!("syscall" : "={rax}"(ret)
: "{rax}"(n)
: "{rax}"(n + MACOS_SYSCALL_PREFIX)
: "rcx", "r11", "memory"
: "volatile");
ret
@ -25,7 +27,7 @@ pub unsafe fn syscall0(n: usize) -> usize {
pub unsafe fn syscall1(n: usize, a1: usize) -> usize {
let ret: usize;
llvm_asm!("syscall" : "={rax}"(ret)
: "{rax}"(n), "{rdi}"(a1)
: "{rax}"(n + MACOS_SYSCALL_PREFIX), "{rdi}"(a1)
: "rcx", "r11", "memory"
: "volatile");
ret
@ -35,7 +37,7 @@ pub unsafe fn syscall1(n: usize, a1: usize) -> usize {
pub unsafe fn syscall2(n: usize, a1: usize, a2: usize) -> usize {
let ret: usize;
llvm_asm!("syscall" : "={rax}"(ret)
: "{rax}"(n), "{rdi}"(a1), "{rsi}"(a2)
: "{rax}"(n + MACOS_SYSCALL_PREFIX), "{rdi}"(a1), "{rsi}"(a2)
: "rcx", "r11", "memory"
: "volatile");
ret
@ -45,7 +47,7 @@ pub unsafe fn syscall2(n: usize, a1: usize, a2: usize) -> usize {
pub unsafe fn syscall3(n: usize, a1: usize, a2: usize, a3: usize) -> usize {
let ret: usize;
llvm_asm!("syscall" : "={rax}"(ret)
: "{rax}"(n), "{rdi}"(a1), "{rsi}"(a2), "{rdx}"(a3)
: "{rax}"(n + MACOS_SYSCALL_PREFIX), "{rdi}"(a1), "{rsi}"(a2), "{rdx}"(a3)
: "rcx", "r11", "memory"
: "volatile");
ret
@ -60,7 +62,7 @@ pub unsafe fn syscall4(n: usize,
-> usize {
let ret: usize;
llvm_asm!("syscall" : "={rax}"(ret)
: "{rax}"(n), "{rdi}"(a1), "{rsi}"(a2), "{rdx}"(a3),
: "{rax}"(n + MACOS_SYSCALL_PREFIX), "{rdi}"(a1), "{rsi}"(a2), "{rdx}"(a3),
"{r10}"(a4)
: "rcx", "r11", "memory"
: "volatile");
@ -77,7 +79,7 @@ pub unsafe fn syscall5(n: usize,
-> usize {
let ret: usize;
llvm_asm!("syscall" : "={rax}"(ret)
: "{rax}"(n), "{rdi}"(a1), "{rsi}"(a2), "{rdx}"(a3),
: "{rax}"(n + MACOS_SYSCALL_PREFIX), "{rdi}"(a1), "{rsi}"(a2), "{rdx}"(a3),
"{r10}"(a4), "{r8}"(a5)
: "rcx", "r11", "memory"
: "volatile");
@ -95,7 +97,7 @@ pub unsafe fn syscall6(n: usize,
-> usize {
let ret: usize;
llvm_asm!("syscall" : "={rax}"(ret)
: "{rax}"(n), "{rdi}"(a1), "{rsi}"(a2), "{rdx}"(a3),
: "{rax}"(n + MACOS_SYSCALL_PREFIX), "{rdi}"(a1), "{rsi}"(a2), "{rdx}"(a3),
"{r10}"(a4), "{r8}"(a5), "{r9}"(a6)
: "rcx", "r11", "memory"
: "volatile");