derek.holloway
7502bf64a4
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57 lines
2.2 KiB
ArmAsm
57 lines
2.2 KiB
ArmAsm
# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
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# RUN: echo 'movq tls1@GOTTPOFF(%rip), %rax' | llvm-mc -filetype=obj -triple=x86_64 - -o %t1.o
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# RUN: ld.lld %t1.o %t.o -o /dev/null
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# RUN: ld.lld %t.o %t1.o -o /dev/null
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# RUN: ld.lld --start-lib %t.o --end-lib %t1.o -o /dev/null
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# RUN: ld.lld %t1.o --start-lib %t.o --end-lib -o /dev/null
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## The TLS definition mismatches a non-TLS reference.
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# RUN: echo '.type tls1,@object; movq tls1,%rax' | llvm-mc -filetype=obj -triple=x86_64 - -o %t2.o
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# RUN: not ld.lld %t2.o %t.o -o /dev/null 2>&1 | FileCheck %s
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# RUN: not ld.lld %t.o %t2.o -o /dev/null 2>&1 | FileCheck %s
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## We fail to flag the STT_NOTYPE reference. This usually happens with hand-written
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## assembly because compiler-generated code properly sets symbol types.
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# RUN: echo 'movq tls1,%rax' | llvm-mc -filetype=obj -triple=x86_64 - -o %t3.o
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# RUN: ld.lld %t3.o %t.o -o /dev/null
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## Overriding a TLS definition with a non-TLS definition does not make sense.
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## We fail to flag this case.
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# RUN: ld.lld --defsym tls1=42 %t.o -o /dev/null 2>&1 | count 0
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## Part of PR36049: This should probably be allowed.
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# RUN: ld.lld --defsym tls1=tls2 %t.o -o /dev/null 2>&1 | count 0
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## An undefined symbol in module-level inline assembly of a bitcode file
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## is considered STT_NOTYPE. We should not error.
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# RUN: echo 'target triple = "x86_64-pc-linux-gnu" \
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# RUN: target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" \
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# RUN: module asm "movq tls1@GOTTPOFF(%rip), %rax"' | llvm-as - -o %t.bc
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# RUN: ld.lld %t.o %t.bc -o /dev/null
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# RUN: ld.lld %t.bc %t.o -o /dev/null
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## -u creates an Undefined with STT_NOTYPE. The object file's STT_TLS undefined
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## should update the type so that the TLS IE GOT entry is correctly created.
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# RUN: ld.lld -shared -u tls1 %t1.o %t1.o -o %t1.so
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# RUN: llvm-readelf -rs %t1.so | FileCheck %s --check-prefix=UNDEF
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# UNDEF: R_X86_64_TPOFF64 {{.*}} tls1 + 0
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# UNDEF: 0000000000000000 0 TLS GLOBAL DEFAULT UND tls1
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# CHECK: error: TLS attribute mismatch: tls1
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# CHECK-NEXT: >>> in {{.*}}.tmp.o
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# CHECK-NEXT: >>> in {{.*}}
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.globl _start
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_start:
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addl $1, %fs:tls1@TPOFF
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addl $2, %fs:tls2@TPOFF
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.tbss
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.globl tls1, tls2
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.space 8
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tls1:
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.space 4
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tls2:
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.space 4
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