forked from OSchip/llvm-project
107 lines
3.0 KiB
ArmAsm
107 lines
3.0 KiB
ArmAsm
# REQUIRES: ppc
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# RUN: split-file %s %t
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# RUN: llvm-mc --triple=ppc64le %t/a.s --filetype=obj -o %t/a.o
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# RUN: llvm-mc --triple=ppc64le %t/b.s --filetype=obj -o %t/b.o
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# RUN: llvm-mc --triple=ppc64le %t/tga.s --filetype=obj -o %t/tga.o
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## User code can call __tls_get_addr by specifying the tls_index parameter.
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## We need to allow R_PPC64_REL24/R_PPC64_REL24_NOTOC referencing __tls_get_addr
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## without a pairing R_PPC64_TLSGD/R_PPC64_TLSLD.
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# RUN: ld.lld --shared --fatal-warnings %t/b.o -o /dev/null
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## Warn missing R_PPC64_TLSGD/R_PPC64_TLSLD.
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# RUN: ld.lld --shared %t/a.o -o %t.so 2>&1 | FileCheck %s --check-prefix=WARN
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# RUN: llvm-objdump -d --no-leading-addr %t.so | FileCheck %s --check-prefix=DIS
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# RUN: ld.lld %t/a.o %t/tga.o -o %t2 2>&1 | FileCheck %s --check-prefix=WARN
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# RUN: llvm-readelf -x .got %t2 | FileCheck %s --check-prefix=HEX
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# RUN: llvm-objdump -d --no-leading-addr %t2 | FileCheck %s --check-prefix=DIS
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# WARN: warning: {{.*}}.o: disable TLS relaxation due to R_PPC64_GOT_TLS* relocations without R_PPC64_TLSGD/R_PPC64_TLSLD relocations
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## .got+0: x is local - relaxed to LE - its DTPMOD/DTPREL slots are link-time constants.
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## DTPMOD is 1. DTPREL is st_value-0x8000 = -0x8000.
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## .got+16: DTPMOD/DTPREL for _TLS_MODULE_BASE_ is 1 and 0, respectively.
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## .got+32: TPOFFSET for x = st_value-0x7000
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# HEX: section '.got':
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# HEX-NEXT: [[#%x,IGNORE:]] 50820210 00000000 01000000 00000000
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# HEX-NEXT: [[#%x,IGNORE:]] 0080ffff ffffffff 01000000 00000000
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# HEX-NEXT: [[#%x,IGNORE:]] 00000000 00000000 0090ffff ffffffff
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## .TOC.-32768 = (.got+0x8000)-32768 = .got
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# DIS-LABEL: <GeneralDynamic>:
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# DIS-NEXT: addis 3, 2, 0
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# DIS-NEXT: addi 3, 3, -32760
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# DIS-NEXT: bl [[#%x,TGA:]]
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# DIS-LABEL: <GeneralDynamic_NOTOC>:
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# DIS-NEXT: addis 3, 2, 0
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# DIS-NEXT: addi 3, 3, -32760
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# DIS-NEXT: bl [[#TGA]]
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## LocalDynamic references _TLS_MODULE_BASE_.
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## .TOC.-32752 = (.got+0x8000)-32752 = .got+16
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# DIS-LABEL: <LocalDynamic>:
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# DIS-NEXT: addis 3, 2, 0
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# DIS-NEXT: addi 3, 3, -32744
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# DIS-NEXT: bl [[#TGA]]
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# DIS-LABEL: <LocalDynamic_NOTOC>:
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# DIS-NEXT: addis 3, 2, 0
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# DIS-NEXT: addi 3, 3, -32744
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# DIS-NEXT: bl [[#TGA]]
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## Technically we don't have to disable IE to LE relaxation,
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## but disabling it for implementation simplicity does not hurt.
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# DIS-LABEL: <InitialExec>:
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# DIS-NEXT: addis 3, 2, 0
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# DIS-NEXT: ld 3, -32728(3)
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# DIS-NEXT: add 3, 3, 13
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#--- a.s
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GeneralDynamic:
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addis 3, 2, x@got@tlsgd@ha
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addi 3, 3, x@got@tlsgd@l
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bl __tls_get_addr
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nop
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GeneralDynamic_NOTOC:
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addis 3, 2, x@got@tlsgd@ha
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addi 3, 3, x@got@tlsgd@l
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bl __tls_get_addr@notoc
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nop
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LocalDynamic:
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addis 3, 2, x@got@tlsld@ha
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addi 3, 3, x@got@tlsld@l
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bl __tls_get_addr
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nop
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LocalDynamic_NOTOC:
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addis 3, 2, x@got@tlsld@ha
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addi 3, 3, x@got@tlsld@l
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bl __tls_get_addr@notoc
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nop
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InitialExec:
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addis 3, 2, x@got@tprel@ha
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ld 3, x@got@tprel@l(3)
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add 3, 3, x@tls
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.globl _start
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_start:
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.section .tbss,"awT",@nobits
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.globl x
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x:
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.quad 0
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#--- b.s
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CallOnly:
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bl __tls_get_addr
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nop
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blr
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#--- tga.s
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.globl __tls_get_addr
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__tls_get_addr:
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blr
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