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Add riscv32im-unknown-none-elf built-in target triple. #93749

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Mar 14, 2022
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Add riscv32im-unknown-none-elf built-in target triple. #93749

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1 change: 1 addition & 0 deletions compiler/rustc_target/src/spec/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -975,6 +975,7 @@ supported_targets! {
("x86_64-unknown-none-hermitkernel", x86_64_unknown_none_hermitkernel),

("riscv32i-unknown-none-elf", riscv32i_unknown_none_elf),
("riscv32im-unknown-none-elf", riscv32im_unknown_none_elf),
("riscv32imc-unknown-none-elf", riscv32imc_unknown_none_elf),
("riscv32imc-esp-espidf", riscv32imc_esp_espidf),
("riscv32imac-unknown-none-elf", riscv32imac_unknown_none_elf),
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26 changes: 26 additions & 0 deletions compiler/rustc_target/src/spec/riscv32im_unknown_none_elf.rs
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@@ -0,0 +1,26 @@
use crate::spec::{LinkerFlavor, LldFlavor, PanicStrategy, RelocModel};
use crate::spec::{Target, TargetOptions};

pub fn target() -> Target {
Target {
data_layout: "e-m:e-p:32:32-i64:64-n32-S128".to_string(),
llvm_target: "riscv32".to_string(),
pointer_width: 32,
arch: "riscv32".to_string(),

options: TargetOptions {
linker_flavor: LinkerFlavor::Lld(LldFlavor::Ld),
linker: Some("rust-lld".to_string()),
cpu: "generic-rv32".to_string(),
max_atomic_width: Some(0),
atomic_cas: false,
features: "+m".to_string(),
executables: true,
panic_strategy: PanicStrategy::Abort,
relocation_model: RelocModel::Static,
emit_debug_gdb_scripts: false,
eh_frame_header: false,
..Default::default()
},
}
}
1 change: 1 addition & 0 deletions src/doc/rustc/src/platform-support.md
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Expand Up @@ -271,6 +271,7 @@ target | std | host | notes
`powerpc64le-unknown-linux-musl` | ? | |
`riscv32gc-unknown-linux-gnu` | | | RISC-V Linux (kernel 5.4, glibc 2.33)
`riscv32gc-unknown-linux-musl` | | | RISC-V Linux (kernel 5.4, musl + RISCV32 support patches)
`riscv32im-unknown-none-elf` | * | | Bare RISC-V (RV32IM ISA)
`riscv32imc-esp-espidf` | ✓ | | RISC-V ESP-IDF
`riscv64gc-unknown-freebsd` | | | RISC-V FreeBSD
`riscv64gc-unknown-linux-musl` | | | RISC-V Linux (kernel 4.20, musl 1.2.0)
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1 change: 1 addition & 0 deletions src/tools/build-manifest/src/main.rs
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Expand Up @@ -117,6 +117,7 @@ static TARGETS: &[&str] = &[
"powerpc64-unknown-linux-gnu",
"powerpc64le-unknown-linux-gnu",
"riscv32i-unknown-none-elf",
"riscv32im-unknown-none-elf",
"riscv32imc-unknown-none-elf",
"riscv32imac-unknown-none-elf",
"riscv32gc-unknown-linux-gnu",
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