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Add support for NetBSD/riscv64 aka. riscv64gc-unknown-netbsd.

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This commit is contained in:
Havard Eidnes 2023-07-05 10:34:26 +00:00
parent 6dab6dc5fc
commit 6cc37bbee0
6 changed files with 32 additions and 2 deletions
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1
compiler/rustc_target/src/spec/mod.rs
View file

@ -1325,6 +1325,7 @@ supported_targets! {
("armv7-unknown-netbsd-eabihf", armv7_unknown_netbsd_eabihf),
("i686-unknown-netbsd", i686_unknown_netbsd),
("powerpc-unknown-netbsd", powerpc_unknown_netbsd),
("riscv64gc-unknown-netbsd", riscv64gc_unknown_netbsd),
("sparc64-unknown-netbsd", sparc64_unknown_netbsd),
("x86_64-unknown-netbsd", x86_64_unknown_netbsd),

19
compiler/rustc_target/src/spec/riscv64gc_unknown_netbsd.rs Normal file
View file

@ -0,0 +1,19 @@
use crate::spec::{CodeModel, Target, TargetOptions};
pub fn target() -> Target {
Target {
llvm_target: "riscv64-unknown-netbsd".into(),
pointer_width: 64,
data_layout: "e-m:e-p:64:64-i64:64-i128:128-n32:64-S128".into(),
arch: "riscv64".into(),
options: TargetOptions {
code_model: Some(CodeModel::Medium),
cpu: "generic-rv64".into(),
features: "+m,+a,+f,+d,+c".into(),
llvm_abiname: "lp64d".into(),
max_atomic_width: Some(64),
mcount: "__mcount".into(),
..super::netbsd_base::opts()
},
}
}

7
library/core/src/ffi/mod.rs
View file

@ -132,7 +132,12 @@ mod c_char_definition {
),
all(
target_os = "netbsd",
any(target_arch = "aarch64", target_arch = "arm", target_arch = "powerpc")
any(
target_arch = "aarch64",
target_arch = "arm",
target_arch = "powerpc",
target_arch = "riscv64"
)
),
all(
target_os = "vxworks",

5
src/bootstrap/llvm.rs
View file

@ -380,7 +380,10 @@ impl Step for Llvm {
cfg.define("LLVM_LINK_LLVM_DYLIB", "ON");
}
if target.starts_with("riscv") && !target.contains("freebsd") && !target.contains("openbsd")
if target.starts_with("riscv")
&& !target.contains("freebsd")
&& !target.contains("openbsd")
&& !target.contains("netbsd")
{
// RISC-V GCC erroneously requires linking against
// `libatomic` when using 1-byte and 2-byte C++

1
src/doc/rustc/src/platform-support.md
View file

@ -305,6 +305,7 @@ target | std | host | notes
`riscv64gc-unknown-freebsd` | | | RISC-V FreeBSD
`riscv64gc-unknown-fuchsia` | | | RISC-V Fuchsia
`riscv64gc-unknown-linux-musl` | | | RISC-V Linux (kernel 4.20, musl 1.2.0)
[`riscv64gc-unknown-netbsd`](platform-support/netbsd.md) | ✓ | ? | RISC-V NetBSD
[`riscv64gc-unknown-openbsd`](platform-support/openbsd.md) | ✓ | ✓ | OpenBSD/riscv64
`s390x-unknown-linux-musl` | | | S390x Linux (kernel 3.2, MUSL)
`sparc-unknown-linux-gnu` | ✓ | | 32-bit SPARC Linux

1
src/doc/rustc/src/platform-support/netbsd.md
View file

@ -22,6 +22,7 @@ are currently defined running NetBSD:
| `i686-unknown-netbsd` | [32-bit i386 with SSE](https://wiki.netbsd.org/ports/i386/) |
| `mipsel-unknown-netbsd` | [32-bit mips, requires mips32 cpu support](https://wiki.netbsd.org/ports/evbmips/) |
| `powerpc-unknown-netbsd` | [Various 32-bit PowerPC systems, e.g. MacPPC](https://wiki.netbsd.org/ports/macppc/) |
| `riscv64gc-unknown-netbsd` | [64-bit RISC-V](https://wiki.netbsd.org/ports/riscv/)
| `sparc64-unknown-netbsd` | [Sun UltraSPARC systems](https://wiki.netbsd.org/ports/sparc64/) |
All use the "native" `stdc++` library which goes along with the natively