/
avr_gnu.rs
374 lines (369 loc) · 16.7 KB
/
avr_gnu.rs
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use crate::spec::{Cc, LinkerFlavor, Lld, RelocModel, Target, TargetOptions};
use object::elf;
/// A base target for AVR devices using the GNU toolchain.
///
/// Requires GNU avr-gcc and avr-binutils on the host system.
/// FIXME: Remove the second parameter when const string concatenation is possible.
pub fn target(target_cpu: &'static str, mmcu: &'static str) -> Target {
Target {
arch: "avr".into(),
metadata: crate::spec::TargetMetadata {
description: None,
tier: None,
host_tools: None,
std: None,
},
data_layout: "e-P1-p:16:8-i8:8-i16:8-i32:8-i64:8-f32:8-f64:8-n8-a:8".into(),
llvm_target: "avr-unknown-unknown".into(),
pointer_width: 16,
options: TargetOptions {
c_int_width: "16".into(),
cpu: target_cpu.into(),
exe_suffix: ".elf".into(),
linker: Some("avr-gcc".into()),
eh_frame_header: false,
pre_link_args: TargetOptions::link_args(LinkerFlavor::Gnu(Cc::Yes, Lld::No), &[mmcu]),
late_link_args: TargetOptions::link_args(
LinkerFlavor::Gnu(Cc::Yes, Lld::No),
&["-lgcc"],
),
max_atomic_width: Some(16),
atomic_cas: false,
relocation_model: RelocModel::Static,
..TargetOptions::default()
},
}
}
/// Resolve the value of the EF_AVR_ARCH field for AVR ELF files, given the
/// name of the target CPU / MCU.
///
/// In ELF files using the AVR architecture, the lower 7 bits of the e_flags
/// field is a code that identifies the "ISA revision" of the object code.
///
/// This flag is generally set by AVR compilers in their output ELF files,
/// and linkers like avr-ld check this flag in all of their input files to
/// make sure they are compiled with the same ISA revision.
pub fn ef_avr_arch(target_cpu: &str) -> u32 {
// Adapted from llvm-project/llvm/lib/target/AVR/AVRDevices.td
match target_cpu {
// Generic MCUs
"avr1" => elf::EF_AVR_ARCH_AVR1,
"avr2" => elf::EF_AVR_ARCH_AVR2,
"avr25" => elf::EF_AVR_ARCH_AVR25,
"avr3" => elf::EF_AVR_ARCH_AVR3,
"avr31" => elf::EF_AVR_ARCH_AVR31,
"avr35" => elf::EF_AVR_ARCH_AVR35,
"avr4" => elf::EF_AVR_ARCH_AVR4,
"avr5" => elf::EF_AVR_ARCH_AVR5,
"avr51" => elf::EF_AVR_ARCH_AVR51,
"avr6" => elf::EF_AVR_ARCH_AVR6,
"avrxmega1" => elf::EF_AVR_ARCH_XMEGA1,
"avrxmega2" => elf::EF_AVR_ARCH_XMEGA2,
"avrxmega3" => elf::EF_AVR_ARCH_XMEGA3,
"avrxmega4" => elf::EF_AVR_ARCH_XMEGA4,
"avrxmega5" => elf::EF_AVR_ARCH_XMEGA5,
"avrxmega6" => elf::EF_AVR_ARCH_XMEGA6,
"avrxmega7" => elf::EF_AVR_ARCH_XMEGA7,
"avrtiny" => elf::EF_AVR_ARCH_AVRTINY,
// Specific MCUs
"at90s1200" => elf::EF_AVR_ARCH_AVR1,
"attiny11" => elf::EF_AVR_ARCH_AVR1,
"attiny12" => elf::EF_AVR_ARCH_AVR1,
"attiny15" => elf::EF_AVR_ARCH_AVR1,
"attiny28" => elf::EF_AVR_ARCH_AVR1,
"at90s2313" => elf::EF_AVR_ARCH_AVR2,
"at90s2323" => elf::EF_AVR_ARCH_AVR2,
"at90s2333" => elf::EF_AVR_ARCH_AVR2,
"at90s2343" => elf::EF_AVR_ARCH_AVR2,
"attiny22" => elf::EF_AVR_ARCH_AVR2,
"attiny26" => elf::EF_AVR_ARCH_AVR2,
"at86rf401" => elf::EF_AVR_ARCH_AVR25,
"at90s4414" => elf::EF_AVR_ARCH_AVR2,
"at90s4433" => elf::EF_AVR_ARCH_AVR2,
"at90s4434" => elf::EF_AVR_ARCH_AVR2,
"at90s8515" => elf::EF_AVR_ARCH_AVR2,
"at90c8534" => elf::EF_AVR_ARCH_AVR2,
"at90s8535" => elf::EF_AVR_ARCH_AVR2,
"ata5272" => elf::EF_AVR_ARCH_AVR25,
"ata6616c" => elf::EF_AVR_ARCH_AVR25,
"attiny13" => elf::EF_AVR_ARCH_AVR25,
"attiny13a" => elf::EF_AVR_ARCH_AVR25,
"attiny2313" => elf::EF_AVR_ARCH_AVR25,
"attiny2313a" => elf::EF_AVR_ARCH_AVR25,
"attiny24" => elf::EF_AVR_ARCH_AVR25,
"attiny24a" => elf::EF_AVR_ARCH_AVR25,
"attiny4313" => elf::EF_AVR_ARCH_AVR25,
"attiny44" => elf::EF_AVR_ARCH_AVR25,
"attiny44a" => elf::EF_AVR_ARCH_AVR25,
"attiny84" => elf::EF_AVR_ARCH_AVR25,
"attiny84a" => elf::EF_AVR_ARCH_AVR25,
"attiny25" => elf::EF_AVR_ARCH_AVR25,
"attiny45" => elf::EF_AVR_ARCH_AVR25,
"attiny85" => elf::EF_AVR_ARCH_AVR25,
"attiny261" => elf::EF_AVR_ARCH_AVR25,
"attiny261a" => elf::EF_AVR_ARCH_AVR25,
"attiny441" => elf::EF_AVR_ARCH_AVR25,
"attiny461" => elf::EF_AVR_ARCH_AVR25,
"attiny461a" => elf::EF_AVR_ARCH_AVR25,
"attiny841" => elf::EF_AVR_ARCH_AVR25,
"attiny861" => elf::EF_AVR_ARCH_AVR25,
"attiny861a" => elf::EF_AVR_ARCH_AVR25,
"attiny87" => elf::EF_AVR_ARCH_AVR25,
"attiny43u" => elf::EF_AVR_ARCH_AVR25,
"attiny48" => elf::EF_AVR_ARCH_AVR25,
"attiny88" => elf::EF_AVR_ARCH_AVR25,
"attiny828" => elf::EF_AVR_ARCH_AVR25,
"at43usb355" => elf::EF_AVR_ARCH_AVR3,
"at76c711" => elf::EF_AVR_ARCH_AVR3,
"atmega103" => elf::EF_AVR_ARCH_AVR31,
"at43usb320" => elf::EF_AVR_ARCH_AVR31,
"attiny167" => elf::EF_AVR_ARCH_AVR35,
"at90usb82" => elf::EF_AVR_ARCH_AVR35,
"at90usb162" => elf::EF_AVR_ARCH_AVR35,
"ata5505" => elf::EF_AVR_ARCH_AVR35,
"ata6617c" => elf::EF_AVR_ARCH_AVR35,
"ata664251" => elf::EF_AVR_ARCH_AVR35,
"atmega8u2" => elf::EF_AVR_ARCH_AVR35,
"atmega16u2" => elf::EF_AVR_ARCH_AVR35,
"atmega32u2" => elf::EF_AVR_ARCH_AVR35,
"attiny1634" => elf::EF_AVR_ARCH_AVR35,
"atmega8" => elf::EF_AVR_ARCH_AVR4,
"ata6289" => elf::EF_AVR_ARCH_AVR4,
"atmega8a" => elf::EF_AVR_ARCH_AVR4,
"ata6285" => elf::EF_AVR_ARCH_AVR4,
"ata6286" => elf::EF_AVR_ARCH_AVR4,
"ata6612c" => elf::EF_AVR_ARCH_AVR4,
"atmega48" => elf::EF_AVR_ARCH_AVR4,
"atmega48a" => elf::EF_AVR_ARCH_AVR4,
"atmega48pa" => elf::EF_AVR_ARCH_AVR4,
"atmega48pb" => elf::EF_AVR_ARCH_AVR4,
"atmega48p" => elf::EF_AVR_ARCH_AVR4,
"atmega88" => elf::EF_AVR_ARCH_AVR4,
"atmega88a" => elf::EF_AVR_ARCH_AVR4,
"atmega88p" => elf::EF_AVR_ARCH_AVR4,
"atmega88pa" => elf::EF_AVR_ARCH_AVR4,
"atmega88pb" => elf::EF_AVR_ARCH_AVR4,
"atmega8515" => elf::EF_AVR_ARCH_AVR4,
"atmega8535" => elf::EF_AVR_ARCH_AVR4,
"atmega8hva" => elf::EF_AVR_ARCH_AVR4,
"at90pwm1" => elf::EF_AVR_ARCH_AVR4,
"at90pwm2" => elf::EF_AVR_ARCH_AVR4,
"at90pwm2b" => elf::EF_AVR_ARCH_AVR4,
"at90pwm3" => elf::EF_AVR_ARCH_AVR4,
"at90pwm3b" => elf::EF_AVR_ARCH_AVR4,
"at90pwm81" => elf::EF_AVR_ARCH_AVR4,
"ata5702m322" => elf::EF_AVR_ARCH_AVR5,
"ata5782" => elf::EF_AVR_ARCH_AVR5,
"ata5790" => elf::EF_AVR_ARCH_AVR5,
"ata5790n" => elf::EF_AVR_ARCH_AVR5,
"ata5791" => elf::EF_AVR_ARCH_AVR5,
"ata5795" => elf::EF_AVR_ARCH_AVR5,
"ata5831" => elf::EF_AVR_ARCH_AVR5,
"ata6613c" => elf::EF_AVR_ARCH_AVR5,
"ata6614q" => elf::EF_AVR_ARCH_AVR5,
"ata8210" => elf::EF_AVR_ARCH_AVR5,
"ata8510" => elf::EF_AVR_ARCH_AVR5,
"atmega16" => elf::EF_AVR_ARCH_AVR5,
"atmega16a" => elf::EF_AVR_ARCH_AVR5,
"atmega161" => elf::EF_AVR_ARCH_AVR5,
"atmega162" => elf::EF_AVR_ARCH_AVR5,
"atmega163" => elf::EF_AVR_ARCH_AVR5,
"atmega164a" => elf::EF_AVR_ARCH_AVR5,
"atmega164p" => elf::EF_AVR_ARCH_AVR5,
"atmega164pa" => elf::EF_AVR_ARCH_AVR5,
"atmega165" => elf::EF_AVR_ARCH_AVR5,
"atmega165a" => elf::EF_AVR_ARCH_AVR5,
"atmega165p" => elf::EF_AVR_ARCH_AVR5,
"atmega165pa" => elf::EF_AVR_ARCH_AVR5,
"atmega168" => elf::EF_AVR_ARCH_AVR5,
"atmega168a" => elf::EF_AVR_ARCH_AVR5,
"atmega168p" => elf::EF_AVR_ARCH_AVR5,
"atmega168pa" => elf::EF_AVR_ARCH_AVR5,
"atmega168pb" => elf::EF_AVR_ARCH_AVR5,
"atmega169" => elf::EF_AVR_ARCH_AVR5,
"atmega169a" => elf::EF_AVR_ARCH_AVR5,
"atmega169p" => elf::EF_AVR_ARCH_AVR5,
"atmega169pa" => elf::EF_AVR_ARCH_AVR5,
"atmega32" => elf::EF_AVR_ARCH_AVR5,
"atmega32a" => elf::EF_AVR_ARCH_AVR5,
"atmega323" => elf::EF_AVR_ARCH_AVR5,
"atmega324a" => elf::EF_AVR_ARCH_AVR5,
"atmega324p" => elf::EF_AVR_ARCH_AVR5,
"atmega324pa" => elf::EF_AVR_ARCH_AVR5,
"atmega324pb" => elf::EF_AVR_ARCH_AVR5,
"atmega325" => elf::EF_AVR_ARCH_AVR5,
"atmega325a" => elf::EF_AVR_ARCH_AVR5,
"atmega325p" => elf::EF_AVR_ARCH_AVR5,
"atmega325pa" => elf::EF_AVR_ARCH_AVR5,
"atmega3250" => elf::EF_AVR_ARCH_AVR5,
"atmega3250a" => elf::EF_AVR_ARCH_AVR5,
"atmega3250p" => elf::EF_AVR_ARCH_AVR5,
"atmega3250pa" => elf::EF_AVR_ARCH_AVR5,
"atmega328" => elf::EF_AVR_ARCH_AVR5,
"atmega328p" => elf::EF_AVR_ARCH_AVR5,
"atmega328pb" => elf::EF_AVR_ARCH_AVR5,
"atmega329" => elf::EF_AVR_ARCH_AVR5,
"atmega329a" => elf::EF_AVR_ARCH_AVR5,
"atmega329p" => elf::EF_AVR_ARCH_AVR5,
"atmega329pa" => elf::EF_AVR_ARCH_AVR5,
"atmega3290" => elf::EF_AVR_ARCH_AVR5,
"atmega3290a" => elf::EF_AVR_ARCH_AVR5,
"atmega3290p" => elf::EF_AVR_ARCH_AVR5,
"atmega3290pa" => elf::EF_AVR_ARCH_AVR5,
"atmega406" => elf::EF_AVR_ARCH_AVR5,
"atmega64" => elf::EF_AVR_ARCH_AVR5,
"atmega64a" => elf::EF_AVR_ARCH_AVR5,
"atmega640" => elf::EF_AVR_ARCH_AVR5,
"atmega644" => elf::EF_AVR_ARCH_AVR5,
"atmega644a" => elf::EF_AVR_ARCH_AVR5,
"atmega644p" => elf::EF_AVR_ARCH_AVR5,
"atmega644pa" => elf::EF_AVR_ARCH_AVR5,
"atmega645" => elf::EF_AVR_ARCH_AVR5,
"atmega645a" => elf::EF_AVR_ARCH_AVR5,
"atmega645p" => elf::EF_AVR_ARCH_AVR5,
"atmega649" => elf::EF_AVR_ARCH_AVR5,
"atmega649a" => elf::EF_AVR_ARCH_AVR5,
"atmega649p" => elf::EF_AVR_ARCH_AVR5,
"atmega6450" => elf::EF_AVR_ARCH_AVR5,
"atmega6450a" => elf::EF_AVR_ARCH_AVR5,
"atmega6450p" => elf::EF_AVR_ARCH_AVR5,
"atmega6490" => elf::EF_AVR_ARCH_AVR5,
"atmega6490a" => elf::EF_AVR_ARCH_AVR5,
"atmega6490p" => elf::EF_AVR_ARCH_AVR5,
"atmega64rfr2" => elf::EF_AVR_ARCH_AVR5,
"atmega644rfr2" => elf::EF_AVR_ARCH_AVR5,
"atmega16hva" => elf::EF_AVR_ARCH_AVR5,
"atmega16hva2" => elf::EF_AVR_ARCH_AVR5,
"atmega16hvb" => elf::EF_AVR_ARCH_AVR5,
"atmega16hvbrevb" => elf::EF_AVR_ARCH_AVR5,
"atmega32hvb" => elf::EF_AVR_ARCH_AVR5,
"atmega32hvbrevb" => elf::EF_AVR_ARCH_AVR5,
"atmega64hve" => elf::EF_AVR_ARCH_AVR5,
"atmega64hve2" => elf::EF_AVR_ARCH_AVR5,
"at90can32" => elf::EF_AVR_ARCH_AVR5,
"at90can64" => elf::EF_AVR_ARCH_AVR5,
"at90pwm161" => elf::EF_AVR_ARCH_AVR5,
"at90pwm216" => elf::EF_AVR_ARCH_AVR5,
"at90pwm316" => elf::EF_AVR_ARCH_AVR5,
"atmega32c1" => elf::EF_AVR_ARCH_AVR5,
"atmega64c1" => elf::EF_AVR_ARCH_AVR5,
"atmega16m1" => elf::EF_AVR_ARCH_AVR5,
"atmega32m1" => elf::EF_AVR_ARCH_AVR5,
"atmega64m1" => elf::EF_AVR_ARCH_AVR5,
"atmega16u4" => elf::EF_AVR_ARCH_AVR5,
"atmega32u4" => elf::EF_AVR_ARCH_AVR5,
"atmega32u6" => elf::EF_AVR_ARCH_AVR5,
"at90usb646" => elf::EF_AVR_ARCH_AVR5,
"at90usb647" => elf::EF_AVR_ARCH_AVR5,
"at90scr100" => elf::EF_AVR_ARCH_AVR5,
"at94k" => elf::EF_AVR_ARCH_AVR5,
"m3000" => elf::EF_AVR_ARCH_AVR5,
"atmega128" => elf::EF_AVR_ARCH_AVR51,
"atmega128a" => elf::EF_AVR_ARCH_AVR51,
"atmega1280" => elf::EF_AVR_ARCH_AVR51,
"atmega1281" => elf::EF_AVR_ARCH_AVR51,
"atmega1284" => elf::EF_AVR_ARCH_AVR51,
"atmega1284p" => elf::EF_AVR_ARCH_AVR51,
"atmega128rfa1" => elf::EF_AVR_ARCH_AVR51,
"atmega128rfr2" => elf::EF_AVR_ARCH_AVR51,
"atmega1284rfr2" => elf::EF_AVR_ARCH_AVR51,
"at90can128" => elf::EF_AVR_ARCH_AVR51,
"at90usb1286" => elf::EF_AVR_ARCH_AVR51,
"at90usb1287" => elf::EF_AVR_ARCH_AVR51,
"atmega2560" => elf::EF_AVR_ARCH_AVR6,
"atmega2561" => elf::EF_AVR_ARCH_AVR6,
"atmega256rfr2" => elf::EF_AVR_ARCH_AVR6,
"atmega2564rfr2" => elf::EF_AVR_ARCH_AVR6,
"atxmega16a4" => elf::EF_AVR_ARCH_XMEGA2,
"atxmega16a4u" => elf::EF_AVR_ARCH_XMEGA2,
"atxmega16c4" => elf::EF_AVR_ARCH_XMEGA2,
"atxmega16d4" => elf::EF_AVR_ARCH_XMEGA2,
"atxmega32a4" => elf::EF_AVR_ARCH_XMEGA2,
"atxmega32a4u" => elf::EF_AVR_ARCH_XMEGA2,
"atxmega32c3" => elf::EF_AVR_ARCH_XMEGA2,
"atxmega32c4" => elf::EF_AVR_ARCH_XMEGA2,
"atxmega32d3" => elf::EF_AVR_ARCH_XMEGA2,
"atxmega32d4" => elf::EF_AVR_ARCH_XMEGA2,
"atxmega32e5" => elf::EF_AVR_ARCH_XMEGA2,
"atxmega16e5" => elf::EF_AVR_ARCH_XMEGA2,
"atxmega8e5" => elf::EF_AVR_ARCH_XMEGA2,
"atxmega64a3" => elf::EF_AVR_ARCH_XMEGA4,
"atxmega64a3u" => elf::EF_AVR_ARCH_XMEGA4,
"atxmega64a4u" => elf::EF_AVR_ARCH_XMEGA4,
"atxmega64b1" => elf::EF_AVR_ARCH_XMEGA4,
"atxmega64b3" => elf::EF_AVR_ARCH_XMEGA4,
"atxmega64c3" => elf::EF_AVR_ARCH_XMEGA4,
"atxmega64d3" => elf::EF_AVR_ARCH_XMEGA4,
"atxmega64d4" => elf::EF_AVR_ARCH_XMEGA4,
"atxmega64a1" => elf::EF_AVR_ARCH_XMEGA5,
"atxmega64a1u" => elf::EF_AVR_ARCH_XMEGA5,
"atxmega128a3" => elf::EF_AVR_ARCH_XMEGA6,
"atxmega128a3u" => elf::EF_AVR_ARCH_XMEGA6,
"atxmega128b1" => elf::EF_AVR_ARCH_XMEGA6,
"atxmega128b3" => elf::EF_AVR_ARCH_XMEGA6,
"atxmega128c3" => elf::EF_AVR_ARCH_XMEGA6,
"atxmega128d3" => elf::EF_AVR_ARCH_XMEGA6,
"atxmega128d4" => elf::EF_AVR_ARCH_XMEGA6,
"atxmega192a3" => elf::EF_AVR_ARCH_XMEGA6,
"atxmega192a3u" => elf::EF_AVR_ARCH_XMEGA6,
"atxmega192c3" => elf::EF_AVR_ARCH_XMEGA6,
"atxmega192d3" => elf::EF_AVR_ARCH_XMEGA6,
"atxmega256a3" => elf::EF_AVR_ARCH_XMEGA6,
"atxmega256a3u" => elf::EF_AVR_ARCH_XMEGA6,
"atxmega256a3b" => elf::EF_AVR_ARCH_XMEGA6,
"atxmega256a3bu" => elf::EF_AVR_ARCH_XMEGA6,
"atxmega256c3" => elf::EF_AVR_ARCH_XMEGA6,
"atxmega256d3" => elf::EF_AVR_ARCH_XMEGA6,
"atxmega384c3" => elf::EF_AVR_ARCH_XMEGA6,
"atxmega384d3" => elf::EF_AVR_ARCH_XMEGA6,
"atxmega128a1" => elf::EF_AVR_ARCH_XMEGA7,
"atxmega128a1u" => elf::EF_AVR_ARCH_XMEGA7,
"atxmega128a4u" => elf::EF_AVR_ARCH_XMEGA7,
"attiny4" => elf::EF_AVR_ARCH_AVRTINY,
"attiny5" => elf::EF_AVR_ARCH_AVRTINY,
"attiny9" => elf::EF_AVR_ARCH_AVRTINY,
"attiny10" => elf::EF_AVR_ARCH_AVRTINY,
"attiny20" => elf::EF_AVR_ARCH_AVRTINY,
"attiny40" => elf::EF_AVR_ARCH_AVRTINY,
"attiny102" => elf::EF_AVR_ARCH_AVRTINY,
"attiny104" => elf::EF_AVR_ARCH_AVRTINY,
"attiny202" => elf::EF_AVR_ARCH_XMEGA3,
"attiny402" => elf::EF_AVR_ARCH_XMEGA3,
"attiny204" => elf::EF_AVR_ARCH_XMEGA3,
"attiny404" => elf::EF_AVR_ARCH_XMEGA3,
"attiny804" => elf::EF_AVR_ARCH_XMEGA3,
"attiny1604" => elf::EF_AVR_ARCH_XMEGA3,
"attiny406" => elf::EF_AVR_ARCH_XMEGA3,
"attiny806" => elf::EF_AVR_ARCH_XMEGA3,
"attiny1606" => elf::EF_AVR_ARCH_XMEGA3,
"attiny807" => elf::EF_AVR_ARCH_XMEGA3,
"attiny1607" => elf::EF_AVR_ARCH_XMEGA3,
"attiny212" => elf::EF_AVR_ARCH_XMEGA3,
"attiny412" => elf::EF_AVR_ARCH_XMEGA3,
"attiny214" => elf::EF_AVR_ARCH_XMEGA3,
"attiny414" => elf::EF_AVR_ARCH_XMEGA3,
"attiny814" => elf::EF_AVR_ARCH_XMEGA3,
"attiny1614" => elf::EF_AVR_ARCH_XMEGA3,
"attiny416" => elf::EF_AVR_ARCH_XMEGA3,
"attiny816" => elf::EF_AVR_ARCH_XMEGA3,
"attiny1616" => elf::EF_AVR_ARCH_XMEGA3,
"attiny3216" => elf::EF_AVR_ARCH_XMEGA3,
"attiny417" => elf::EF_AVR_ARCH_XMEGA3,
"attiny817" => elf::EF_AVR_ARCH_XMEGA3,
"attiny1617" => elf::EF_AVR_ARCH_XMEGA3,
"attiny3217" => elf::EF_AVR_ARCH_XMEGA3,
"attiny1624" => elf::EF_AVR_ARCH_XMEGA3,
"attiny1626" => elf::EF_AVR_ARCH_XMEGA3,
"attiny1627" => elf::EF_AVR_ARCH_XMEGA3,
"atmega808" => elf::EF_AVR_ARCH_XMEGA3,
"atmega809" => elf::EF_AVR_ARCH_XMEGA3,
"atmega1608" => elf::EF_AVR_ARCH_XMEGA3,
"atmega1609" => elf::EF_AVR_ARCH_XMEGA3,
"atmega3208" => elf::EF_AVR_ARCH_XMEGA3,
"atmega3209" => elf::EF_AVR_ARCH_XMEGA3,
"atmega4808" => elf::EF_AVR_ARCH_XMEGA3,
"atmega4809" => elf::EF_AVR_ARCH_XMEGA3,
// Unknown target CPU => Unspecified/generic code
_ => 0,
}
}