File: empty-sections-expressions.test

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llvm-toolchain-17 1%3A17.0.6-22
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# REQUIRES: x86
# RUN: echo ".text; nop; .data; .byte 0" \
# RUN:   | llvm-mc -filetype=obj -triple=x86_64-pc-linux - -o %t.o
# RUN: ld.lld -o %t --script %s %t.o
# RUN: llvm-readelf -S -l %t | FileCheck %s

## Check we do not remove the empty output sections used in LOADADDR/ADDR
## expressions and hence can evaluate the correct addresses.

# CHECK:      Name   Type     Address          Off    Size
# CHECK-NEXT:        NULL     0000000000000000 000000 000000
# CHECK-NEXT: .empty PROGBITS 0000000000080000 000158 000000
# CHECK-NEXT: .text  PROGBITS 0000000000080000 001000 000001
# CHECK-NEXT: .data  PROGBITS 0000000000080001 001001 000001

# CHECK:      Program Headers:
# CHECK-NEXT:  Type Offset   VirtAddr           PhysAddr
# CHECK-NEXT:  LOAD 0x001000 0x0000000000080000 0x0000000000080000
# CHECK-NEXT:  LOAD 0x001001 0x0000000000080001 0x0000000000082000

# CHECK:      Section to Segment mapping:
# CHECK:       00 .text {{$}}
# CHECK-NEXT:  01 .data {{$}}

SECTIONS {
 . = 0x00080000;
 .empty  : { *(.empty ) }
 .text   : AT(LOADADDR(.empty) + SIZEOF(.empty)) { *(.text) }
 .data   : AT(ADDR(.empty) + 0x2000) { *(.data) }
}