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9c371309f3
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
19 lines
477 B
ArmAsm
19 lines
477 B
ArmAsm
# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple=i386 %s -o %t.o
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# RUN: ld.lld %t.o -shared -o %t.so
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# RUN: llvm-objdump -d --no-show-raw-insn %t.so | FileCheck %s
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# CHECK: 11ef: movl (%eax), %eax
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# We used to error on R_386_TLS_LDO_32 to preemptable symbols.
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# i is STB_GLOBAL and preemptable.
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leal i@TLSLDM(%ebx), %eax
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calll __tls_get_addr@PLT
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movl i@DTPOFF(%eax), %eax # R_386_TLS_LDO_32
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.section .tbss,"awT",@nobits
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.globl i
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i:
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.long 0
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.size i, 4
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