rustc_target/spec/targets/
riscv32imafc_esp_espidf.rs

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use crate::spec::{PanicStrategy, RelocModel, Target, TargetOptions, cvs};

pub(crate) fn target() -> Target {
    Target {
        data_layout: "e-m:e-p:32:32-i64:64-n32-S128".into(),
        llvm_target: "riscv32".into(),
        metadata: crate::spec::TargetMetadata {
            description: Some("RISC-V ESP-IDF".into()),
            tier: Some(3),
            host_tools: Some(false),
            std: Some(true),
        },
        pointer_width: 32,
        arch: "riscv32".into(),

        options: TargetOptions {
            families: cvs!["unix"],
            os: "espidf".into(),
            env: "newlib".into(),
            vendor: "espressif".into(),
            linker: Some("riscv32-esp-elf-gcc".into()),
            cpu: "generic-rv32".into(),

            max_atomic_width: Some(32),
            atomic_cas: true,

            llvm_abiname: "ilp32f".into(),
            features: "+m,+a,+c,+f".into(),
            panic_strategy: PanicStrategy::Abort,
            relocation_model: RelocModel::Static,
            emit_debug_gdb_scripts: false,
            eh_frame_header: false,
            ..Default::default()
        },
    }
}