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riscv rust libc
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jrtc27
Nov 7 2021, 5:32 PM
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riscv rust libc
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diff --git a/build.rs b/build.rs
index c4982111e..1ad245a64 100644
--- a/build.rs
+++ b/build.rs
@@ -24,6 +24,9 @@ fn main() {
//
// On CI, we detect the actual FreeBSD version and match its ABI exactly,
// running tests to ensure that the ABI is correct.
+ //
+ // RISC-V first appeared in FreeBSD 12 so lacks FreeBSD 11's syscalls.
+ let arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap();
match which_freebsd() {
Some(10) if libc_ci || rustc_dep_of_std => {
println!("cargo:rustc-cfg=freebsd10")
@@ -31,7 +34,13 @@ fn main() {
Some(11) if libc_ci => println!("cargo:rustc-cfg=freebsd11"),
Some(12) if libc_ci => println!("cargo:rustc-cfg=freebsd12"),
Some(13) if libc_ci => println!("cargo:rustc-cfg=freebsd13"),
- Some(_) | None => println!("cargo:rustc-cfg=freebsd11"),
+ Some(_) | None => {
+ if arch == "riscv64" {
+ println!("cargo:rustc-cfg=freebsd12")
+ } else {
+ println!("cargo:rustc-cfg=freebsd11")
+ }
+ }
}
// On CI: deny all warnings
diff --git a/src/unix/bsd/freebsdlike/freebsd/freebsd11/mod.rs b/src/unix/bsd/freebsdlike/freebsd/freebsd11/mod.rs
index a0b510514..e3c06c634 100644
--- a/src/unix/bsd/freebsdlike/freebsd/freebsd11/mod.rs
+++ b/src/unix/bsd/freebsdlike/freebsd/freebsd11/mod.rs
@@ -217,7 +217,8 @@ extern "C" {
cfg_if! {
if #[cfg(any(target_arch = "x86_64",
- target_arch = "aarch64"))] {
+ target_arch = "aarch64",
+ target_arch = "riscv64"))] {
mod b64;
pub use self::b64::*;
}
diff --git a/src/unix/bsd/freebsdlike/freebsd/freebsd12/mod.rs b/src/unix/bsd/freebsdlike/freebsd/freebsd12/mod.rs
index 05cadd1de..ae79db3f9 100644
--- a/src/unix/bsd/freebsdlike/freebsd/freebsd12/mod.rs
+++ b/src/unix/bsd/freebsdlike/freebsd/freebsd12/mod.rs
@@ -241,7 +241,8 @@ extern "C" {
cfg_if! {
if #[cfg(any(target_arch = "x86_64",
- target_arch = "aarch64"))] {
+ target_arch = "aarch64",
+ target_arch = "riscv64"))] {
mod b64;
pub use self::b64::*;
}
diff --git a/src/unix/bsd/freebsdlike/freebsd/freebsd13/mod.rs b/src/unix/bsd/freebsdlike/freebsd/freebsd13/mod.rs
index 93ef2a2ad..c270ca09b 100644
--- a/src/unix/bsd/freebsdlike/freebsd/freebsd13/mod.rs
+++ b/src/unix/bsd/freebsdlike/freebsd/freebsd13/mod.rs
@@ -271,7 +271,8 @@ extern "C" {
cfg_if! {
if #[cfg(any(target_arch = "x86_64",
- target_arch = "aarch64"))] {
+ target_arch = "aarch64",
+ target_arch = "riscv64"))] {
mod b64;
pub use self::b64::*;
}
diff --git a/src/unix/bsd/freebsdlike/freebsd/mod.rs b/src/unix/bsd/freebsdlike/freebsd/mod.rs
index 99a7f2dc3..73b09d989 100644
--- a/src/unix/bsd/freebsdlike/freebsd/mod.rs
+++ b/src/unix/bsd/freebsdlike/freebsd/mod.rs
@@ -1971,6 +1971,9 @@ cfg_if! {
} else if #[cfg(target_arch = "powerpc")] {
mod powerpc;
pub use self::powerpc::*;
+ } else if #[cfg(target_arch = "riscv64")] {
+ mod riscv64;
+ pub use self::riscv64::*;
} else {
// Unknown target_arch
}
diff --git a/src/unix/bsd/freebsdlike/freebsd/riscv64.rs b/src/unix/bsd/freebsdlike/freebsd/riscv64.rs
new file mode 100644
index 000000000..822e3ff48
--- /dev/null
+++ b/src/unix/bsd/freebsdlike/freebsd/riscv64.rs
@@ -0,0 +1,154 @@
+pub type c_char = u8;
+pub type c_long = i64;
+pub type c_ulong = u64;
+pub type wchar_t = i32;
+pub type time_t = i64;
+pub type suseconds_t = i64;
+pub type register_t = i64;
+
+// should be pub(crate), but that requires Rust 1.18.0
+cfg_if! {
+ if #[cfg(libc_const_size_of)] {
+ #[doc(hidden)]
+ pub const _ALIGNBYTES: usize = ::mem::size_of::<::c_long>() - 1;
+ } else {
+ #[doc(hidden)]
+ pub const _ALIGNBYTES: usize = 8 - 1;
+ }
+}
+
+s_no_extra_traits! {
+ pub struct gpregs {
+ pub gp_ra: ::register_t,
+ pub gp_sp: ::register_t,
+ pub gp_gp: ::register_t,
+ pub gp_tp: ::register_t,
+ pub gp_t: [::register_t; 7],
+ pub gp_s: [::register_t; 12],
+ pub gp_a: [::register_t; 8],
+ pub gp_sepc: ::register_t,
+ pub gp_sstatus: ::register_t,
+ }
+
+ pub struct fpregs {
+ pub fp_x: [[::register_t; 2]; 32],
+ pub fp_fcsr: ::register_t,
+ pub fp_flags: ::c_int,
+ pub fp_pad: ::c_int,
+ }
+
+ pub struct mcontext_t {
+ pub mc_gpregs: gpregs,
+ pub mc_fpregs: fpregs,
+ pub mc_flags: ::c_int,
+ pub mc_pad: ::c_int,
+ pub mc_spare: [u64; 8],
+ }
+}
+
+cfg_if! {
+ if #[cfg(feature = "extra_traits")] {
+ impl PartialEq for gpregs {
+ fn eq(&self, other: &gpregs) -> bool {
+ self.gp_ra == other.gp_ra &&
+ self.gp_sp == other.gp_sp &&
+ self.gp_gp == other.gp_gp &&
+ self.gp_tp == other.gp_tp &&
+ self.gp_t.iter().zip(other.gp_t.iter()).all(|(a, b)| a == b) &&
+ self.gp_s.iter().zip(other.gp_s.iter()).all(|(a, b)| a == b) &&
+ self.gp_a.iter().zip(other.gp_a.iter()).all(|(a, b)| a == b) &&
+ self.gp_sepc == other.gp_sepc &&
+ self.gp_sstatus == other.gp_sstatus
+ }
+ }
+ impl Eq for gpregs {}
+ impl ::fmt::Debug for gpregs {
+ fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+ f.debug_struct("gpregs")
+ .field("gp_ra", &self.gp_ra)
+ .field("gp_sp", &self.gp_sp)
+ .field("gp_gp", &self.gp_gp)
+ .field("gp_tp", &self.gp_tp)
+ .field("gp_t", &self.gp_t)
+ .field("gp_s", &self.gp_s)
+ .field("gp_a", &self.gp_a)
+ .field("gp_sepc", &self.gp_sepc)
+ .field("gp_sstatus", &self.gp_sstatus)
+ .finish()
+ }
+ }
+ impl ::hash::Hash for gpregs {
+ fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
+ self.gp_ra.hash(state);
+ self.gp_sp.hash(state);
+ self.gp_gp.hash(state);
+ self.gp_tp.hash(state);
+ self.gp_t.hash(state);
+ self.gp_s.hash(state);
+ self.gp_a.hash(state);
+ self.gp_sepc.hash(state);
+ self.gp_sstatus.hash(state);
+ }
+ }
+ impl PartialEq for fpregs {
+ fn eq(&self, other: &fpregs) -> bool {
+ self.fp_x == other.fp_x &&
+ self.fp_fcsr == other.fp_fcsr &&
+ self.fp_flags == other.fp_flags &&
+ self.fp_pad == other.fp_pad
+ }
+ }
+ impl Eq for fpregs {}
+ impl ::fmt::Debug for fpregs {
+ fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+ f.debug_struct("fpregs")
+ .field("fp_x", &self.fp_x)
+ .field("fp_fcsr", &self.fp_fcsr)
+ .field("fp_flags", &self.fp_flags)
+ .field("fp_pad", &self.fp_pad)
+ .finish()
+ }
+ }
+ impl ::hash::Hash for fpregs {
+ fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
+ self.fp_x.hash(state);
+ self.fp_fcsr.hash(state);
+ self.fp_flags.hash(state);
+ self.fp_pad.hash(state);
+ }
+ }
+ impl PartialEq for mcontext_t {
+ fn eq(&self, other: &mcontext_t) -> bool {
+ self.mc_gpregs == other.mc_gpregs &&
+ self.mc_fpregs == other.mc_fpregs &&
+ self.mc_flags == other.mc_flags &&
+ self.mc_pad == other.mc_pad &&
+ self.mc_spare.iter().zip(other.mc_spare.iter()).all(|(a, b)| a == b)
+ }
+ }
+ impl Eq for mcontext_t {}
+ impl ::fmt::Debug for mcontext_t {
+ fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+ f.debug_struct("mcontext_t")
+ .field("mc_gpregs", &self.mc_gpregs)
+ .field("mc_fpregs", &self.mc_fpregs)
+ .field("mc_flags", &self.mc_flags)
+ .field("mc_pad", &self.mc_pad)
+ .field("mc_spare", &self.mc_spare)
+ .finish()
+ }
+ }
+ impl ::hash::Hash for mcontext_t {
+ fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
+ self.mc_gpregs.hash(state);
+ self.mc_fpregs.hash(state);
+ self.mc_flags.hash(state);
+ self.mc_pad.hash(state);
+ self.mc_spare.hash(state);
+ }
+ }
+ }
+}
+
+pub const MAP_32BIT: ::c_int = 0x00080000;
+pub const MINSIGSTKSZ: ::size_t = 4096; // 1024 * 4

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