1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
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 --no-print-imm-hex --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 --no-print-imm-hex --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: 0x85, EF_AVR_ARCH_AVR5, relaxable
# 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*) }
}
|
