Files
clang-p2996/lld/test/ELF/i386-gotpc-dynamic.s
Fangrui Song 9c371309f3 [ELF][X86] Allow PT_LOAD to have overlapping p_offset ranges on EM_386
Ported the D64906 technique to EM_386.

If `sh_addralign(.tdata) < sh_addralign(.tbss)`,
we can potentially make `p_vaddr(PT_TLS)%p_align(PT_TLS) != 0`.

ld.so that are known to have problems if p_vaddr%p_align!=0:

* FreeBSD 13.0-CURRENT rtld-elf
* glibc https://sourceware.org/bugzilla/show_bug.cgi?id=24606

New test i386-tls-vaddr-align.s checks our workaround makes p_vaddr%p_align = 0.

Reviewed By: ruiu

Differential Revision: https://reviews.llvm.org/D65865

llvm-svn: 369347
2019-08-20 08:43:47 +00:00

18 lines
451 B
ArmAsm

# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=i686-pc-linux %s -o %t.o
# RUN: ld.lld --hash-style=sysv %t.o -o %t.so -shared
# RUN: llvm-readelf -S %t.so | FileCheck %s
# RUN: llvm-objdump -d %t.so | FileCheck --check-prefix=DISASM %s
# CHECK: .got.plt PROGBITS 00003190
## 0x3190 - 0x1158 = 8248
# DISASM: 1158: {{.*}} movl $8248, %eax
.section .foo,"ax",@progbits
foo:
movl $bar@got-., %eax # R_386_GOTPC
.local bar
bar: