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[lld][ELF] Support BFD name elf32-avr 

Reviewed By: MaskRay

differential Revision: https://reviews.llvm.org/D125544
This commit is contained in:
Ben Shi 2022-05-12 13:26:15 +00:00
parent 9294a1e9a8
commit 8527f32f0a
2 changed files with 53 additions and 0 deletions
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1
lld/ELF/ScriptParser.cpp
View File

@ -415,6 +415,7 @@ void ScriptParser::readOutputArch() {
static std::pair<ELFKind, uint16_t> parseBfdName(StringRef s) {
return StringSwitch<std::pair<ELFKind, uint16_t>>(s)
.Case("elf32-i386", {ELF32LEKind, EM_386})
.Case("elf32-avr", {ELF32LEKind, EM_AVR})
.Case("elf32-iamcu", {ELF32LEKind, EM_IAMCU})
.Case("elf32-littlearm", {ELF32LEKind, EM_ARM})
.Case("elf32-x86-64", {ELF32LEKind, EM_X86_64})

52
lld/test/ELF/linkerscript/avr5.test Normal file
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@ -0,0 +1,52 @@
# REQUIRES: avr
## Test ld.lld supports OUTPUT_FORMAT/OUTPUT_ARCH for AVR output.
# RUN: split-file %s %t
# RUN: llvm-mc -filetype=obj -triple=avr -mcpu=atmega328 %t/avr5.s -o %t/avr5.o
# RUN: ld.lld %t/avr5.o -T %t/avr5.lds -o %t/avr5a.out
# RUN: llvm-objdump --mcpu=atmega328 -d %t/avr5a.out | FileCheck %s --check-prefix=RELOC
# RUN: ld.lld %t/avr5.o -Ttext=0 -Tdata=0x800 -e _start -o %t/avr5b.out
# RUN: llvm-objdump --mcpu=atmega328 -d %t/avr5b.out | FileCheck %s --check-prefix=RELOC
# RELOC: ldi r24, 2
# RELOC-NEXT: ldi r25, 8
# RUN: llvm-readelf --headers %t/avr5a.out | FileCheck %s --check-prefix=HEAD
# RUN: llvm-readelf --headers %t/avr5b.out | FileCheck %s --check-prefix=HEAD
# HEAD: Atmel AVR 8-bit microcontroller
# HEAD: 0x5, EF_AVR_ARCH_AVR5
# HEAD: Name Type Address Off Size
# HEAD-NEXT: NULL 00000000 000000 000000
# HEAD-NEXT: .text PROGBITS 00000000 001000 000006
# HEAD-NEXT: .data PROGBITS 00000800 001800 000004
#--- avr5.s
.text
.globl _start
.p2align 1
_start:
ldi r24, lo8(def) ; Load lower byte of variable def 16-bit address to r24
ldi r25, hi8(def) ; Load higher byte of variable def 16-bit address to r25
rjmp _start
.section .data
.type abc, @object
.type def, @object
.globl abc
.globl def
abc:
.short 100
def:
.short 200
#--- avr5.lds
OUTPUT_FORMAT("elf32-avr", "elf32-avr", "elf32-avr")
OUTPUT_ARCH(avr:5)
ENTRY(_start)
SECTIONS {
.text 0x000: { *(.text*) }
.data 0x800: { *(.data*) }
}