2018-06-12 16:00:38 +08:00
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# REQUIRES: mips
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# MIPS TLS variables that are marked as local by a version script were previously
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# writing values to the GOT that caused runtime crashes. This was happending when
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# linking jemalloc_tsd.c in FreeBSD libc. Check that we do the right thing now:
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# RUN: llvm-mc -filetype=obj -triple=mips64-unknown-freebsd %s -o %t.o
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# RUN: echo "{ global: foo; local: *; };" > %t.script
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# RUN: ld.lld --version-script %t.script -shared %t.o -o %t.so
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# RUN: llvm-objdump --section=.got -s %t.so | FileCheck %s -check-prefix GOT
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# RUN: llvm-readobj -r %t.so | FileCheck %s -check-prefix RELOCS
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# GOT: Contents of section .got:
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# GOT-NEXT: 20000 00000000 00000000 80000000 00000000
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# GOT-NEXT: 20010 00000000 00000000 00000000 00000000
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# GOT-NEXT: 20020 ffffffff ffff8000
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# RELOCS: Section ({{.+}}) .rel.dyn {
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# RELOCS-NEXT: 0x20018 R_MIPS_TLS_DTPMOD64/R_MIPS_NONE/R_MIPS_NONE
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# RELOCS-NEXT: }
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2018-07-03 16:34:55 +08:00
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# Test case generated using clang -mcpu=mips4 -target mips64-unknown-freebsd12.0 -fpic -O -G0 -EB -mabi=n64 -msoft-float -std=gnu99 -S %s -o %t.s
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2018-06-12 16:00:38 +08:00
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# from the following source:
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#
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# _Thread_local int x;
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# int foo() { return x; }
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#
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.text
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.globl foo
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.p2align 3
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.type foo,@function
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.ent foo
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foo:
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lui $1, %hi(%neg(%gp_rel(foo)))
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daddu $1, $1, $25
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daddiu $gp, $1, %lo(%neg(%gp_rel(foo)))
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ld $25, %call16(__tls_get_addr)($gp)
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jalr $25
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daddiu $4, $gp, %tlsgd(x)
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.end foo
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.type x,@object
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.section .tbss,"awT",@nobits
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.globl x
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.p2align 2
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x:
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.4byte 0
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.size x, 4
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