alignof.test
884 Bytes
# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64 %p/Inputs/alignof.s -o %t.o
# RUN: ld.lld -o %t --script %s %t.o
# RUN: llvm-readelf -s %t | FileCheck %s
# CHECK: Value Size Type Bind Vis Ndx Name
# CHECK: 0000000000000008 0 NOTYPE GLOBAL DEFAULT ABS _aaa
# CHECK-NEXT: 0000000000000010 0 NOTYPE GLOBAL DEFAULT ABS _bbb
# CHECK-NEXT: 0000000000000020 0 NOTYPE GLOBAL DEFAULT ABS _ccc
SECTIONS {
.aaa : { *(.aaa) }
.bbb : { *(.bbb) }
.ccc : { *(.ccc) }
_aaa = ALIGNOF(.aaa);
_bbb = ALIGNOF(.bbb);
_ccc = ALIGNOF(.ccc);
}
## Check that we error out if trying to get alignment of
## section that does not exist.
# RUN: echo "SECTIONS { _aaa = ALIGNOF(.foo); }" > %t.script
# RUN: not ld.lld -o /dev/null --script %t.script %t.o 2>&1 \
# RUN: | FileCheck -check-prefix=ERR %s
# ERR: {{.*}}.script:1: undefined section .foo