Mercurial > hg > CbC > CbC_llvm
view lld/test/ELF/ppc64-tls-vaddr-align.s @ 192:d7606dcf6fce
Added tag llvm10 for changeset 0572611fdcc8
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 14 Dec 2020 18:01:34 +0900 |
parents | 1d019706d866 |
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# REQUIRES: ppc # RUN: llvm-mc -filetype=obj -triple=powerpc64le %s -o %t.o # RUN: ld.lld %t.o -o %t # RUN: llvm-readelf -S -l %t | FileCheck --check-prefix=SEC %s # RUN: llvm-objdump -d %t | FileCheck --check-prefix=DIS %s # SEC: Name Type Address Off Size ES Flg Lk Inf Al # SEC: .tdata PROGBITS 0000000010020300 000300 000001 00 WAT 0 0 1 # SEC: .tbss NOBITS 0000000010020400 000301 000008 00 WAT 0 0 256 # SEC: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align # SEC: TLS 0x000300 0x0000000010020300 0x0000000010020300 0x000001 0x000108 R 0x100 ## We currently have a hack in Writer.cpp:fixSectionAlignments() to force ## p_vaddr(PT_TLS)%p_align(PT_TLS)=0, to work around bugs in some dynamic loaders. ## p_vaddr rounded down to p_align has TP offset -0x7000. ## The first address of PT_TLS (p_vaddr) has TP offset (p_vaddr%p_align - 0x7000). ## Once we delete the hack, it is likely p_vaddr%p_align != 0. ## a@tprel = st_value(a) + p_vaddr%p_align - 0x7000 = .tbss-.tdata + p_vaddr%p_align - 0x7000 ## = 0x10020400-0x10020300 + 0 - 0x7000 = -28416 # DIS: ld 3, -28416(13) ld 3, a@tprel(13) .section .tdata,"awT" .byte 0 .section .tbss,"awT" .p2align 8 a: .quad 0