147 changes: 147 additions & 0 deletions lld/test/elf/gnulinkonce/gnulinkonce-report-discarded-reference.test
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# Tests that the linker is able to read .gnu.linkonce sections and link them
# appropriately. The testcase has been created by using the following source
# code.
# TODO: This test should produce a discarded reference error message which it
# doesnot currently.
# linkoncea.s
# .section .gnu.linkonce.d.dummy,"aw"
#bar:
# .long 0
# linkonceb.s
# .section .gnu.linkonce.d.dummy,"aw"
#foo:
# .long 0
# .section .blah, "aw"
# .long foo
#RUN: yaml2obj -format=elf -docnum 1 %s -o %t.linkonce1a.o
#RUN: yaml2obj -format=elf -docnum 2 %s -o %t.linkonce1b.o
#RUN: lld -flavor gnu -target x86_64 %t.linkonce1a.o %t.linkonce1b.o \
#RUN: --noinhibit-exec --output-filetype=yaml -o %t2.out.yaml
#RUN: lld -flavor gnu -target x86_64 %t.linkonce1a.o %t.linkonce1b.o \
#RUN: --noinhibit-exec -o %t2.out
#RUN: FileCheck %s -check-prefix=CHECKGNULINKONCE < %t2.out.yaml
#RUN: llvm-readobj -sections %t2.out | FileCheck %s -check-prefix=CHECKGNULINKONCESECTIONS
#CHECKGNULINKONCE: - name: .gnu.linkonce.d.dummy
#CHECKGNULINKONCE: scope: global
#CHECKGNULINKONCE: type: gnu-linkonce
#CHECKGNULINKONCE: section-choice: custom-required
#CHECKGNULINKONCE: section-name: .gnu.linkonce.d.dummy
#CHECKGNULINKONCE: permissions: rw-
#CHECKGNULINKONCE: references:
#CHECKGNULINKONCE: - kind: group-child
#CHECKGNULINKONCE: offset: 0
#CHECKGNULINKONCE: target: bar
#CHECKGNULINKONCESECTIONS: Section {
#CHECKGNULINKONCESECTIONS: Name: .gnu.linkonce.d.dummy
#CHECKGNULINKONCESECTIONS: Type: SHT_PROGBITS
#CHECKGNULINKONCESECTIONS: Flags [ (0x3)
#CHECKGNULINKONCESECTIONS: SHF_ALLOC (0x2)
#CHECKGNULINKONCESECTIONS: SHF_WRITE (0x1)
#CHECKGNULINKONCESECTIONS: ]
#CHECKGNULINKONCESECTIONS: Size: 4
#CHECKGNULINKONCESECTIONS: }
---
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AddressAlign: 0x0000000000000004
Content: ''
- Name: .data
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Flags: [ SHF_WRITE, SHF_ALLOC ]
AddressAlign: 0x0000000000000004
Content: ''
- Name: .bss
Type: SHT_NOBITS
Flags: [ SHF_WRITE, SHF_ALLOC ]
AddressAlign: 0x0000000000000004
Content: ''
- Name: .gnu.linkonce.d.dummy
Type: SHT_PROGBITS
Flags: [ SHF_WRITE, SHF_ALLOC ]
AddressAlign: 0x0000000000000001
Content: '00000000'
Symbols:
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- Name: .text
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Section: .text
- Name: .data
Type: STT_SECTION
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- Name: .bss
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Section: .bss
- Name: .gnu.linkonce.d.dummy
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- Name: bar
Section: .gnu.linkonce.d.dummy
...
---
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Content: ''
- Name: .bss
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Content: ''
- Name: .gnu.linkonce.d.dummy
Type: SHT_PROGBITS
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AddressAlign: 0x0000000000000001
Content: '00000000'
- Name: .blah
Type: SHT_PROGBITS
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AddressAlign: 0x0000000000000001
Content: '00000000'
- Name: .rela.blah
Type: SHT_RELA
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Type: STT_SECTION
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- Name: .bss
Type: STT_SECTION
Section: .bss
- Name: .gnu.linkonce.d.dummy
Type: STT_SECTION
Section: .gnu.linkonce.d.dummy
- Name: foo
Section: .gnu.linkonce.d.dummy
- Name: .blah
Type: STT_SECTION
Section: .blah
...
129 changes: 129 additions & 0 deletions lld/test/elf/gnulinkonce/gnulinkonce-report-undef.test
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# Tests that the linker is able to read .gnu.linkonce sections and link them
# appropriately. The testcase has been created by using the following source
# code. This test checks that the linker produces an undefined error.
# linkoncea.s
# .section .gnu.linkonce.d.dummy,"aw"
#bar:
# .long 0
# linkonceb.s
# .section .gnu.linkonce.d.dummy,"aw"
# .global foo
#foo:
# .long 0
# .section .blah, "aw"
# .long foo
#RUN: yaml2obj -format=elf -docnum 1 %s -o %t.linkonce1a.o
#RUN: yaml2obj -format=elf -docnum 2 %s -o %t.linkonce1b.o
#RUN: not lld -flavor gnu -target x86_64 %t.linkonce1a.o %t.linkonce1b.o \
#RUN: --output-filetype=yaml -o %t2.out.yaml 2>&1 | FileCheck \
#RUN: -check-prefix=UNDEFS %s
#RUN: not lld -flavor gnu -target x86_64 %t.linkonce1a.o %t.linkonce1b.o \
#RUN: -o %t2.out 2>&1 | FileCheck -check-prefix=UNDEFS %s
#UNDEFS: Undefined symbol: {{.*}} foo
---
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Content: '00000000'
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- Name: .gnu.linkonce.d.dummy
Type: STT_SECTION
Section: .gnu.linkonce.d.dummy
- Name: bar
Section: .gnu.linkonce.d.dummy
...
---
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Content: ''
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Content: ''
- Name: .gnu.linkonce.d.dummy
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- Name: .data
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- Name: .bss
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Section: .bss
- Name: .gnu.linkonce.d.dummy
Type: STT_SECTION
Section: .gnu.linkonce.d.dummy
- Name: .blah
Type: STT_SECTION
Section: .blah
Global:
- Name: foo
Section: .gnu.linkonce.d.dummy
...
151 changes: 151 additions & 0 deletions lld/test/elf/gnulinkonce/gnulinkonce.test
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# Tests that the linker is able to read .gnu.linkonce sections and link them
# appropriately. The testcase has been created by using the following source
# code
# linkonce1a.s
# ------------
# .section .gnu.linkonce.d.dummy,"aw"
#bar:
# .long 0
# linkonce1b.s
# ------------
# .globl main
# .globl start
# .globl _start
# .globl __start
# .text
#main:
#start:
#_start:
#__start:
# .long 0
#
# .section .gnu.linkonce.d.dummy,"aw"
#foo:
# .long 0
#RUN: yaml2obj -format=elf -docnum 1 %s -o %t.linkonce1a.o
#RUN: yaml2obj -format=elf -docnum 2 %s -o %t.linkonce1b.o
#RUN: lld -flavor gnu -target x86_64 %t.linkonce1a.o %t.linkonce1b.o \
#RUN: --noinhibit-exec --output-filetype=yaml -o %t2.out.yaml
#RUN: lld -flavor gnu -target x86_64 %t.linkonce1a.o %t.linkonce1b.o \
#RUN: --noinhibit-exec -o %t2.out
#RUN: FileCheck %s -check-prefix=CHECKGNULINKONCE < %t2.out.yaml
#RUN: llvm-readobj -sections %t2.out | FileCheck %s -check-prefix=CHECKGNULINKONCESECTIONS
#CHECKGNULINKONCE: - name: .gnu.linkonce.d.dummy
#CHECKGNULINKONCE: scope: global
#CHECKGNULINKONCE: type: gnu-linkonce
#CHECKGNULINKONCE: section-choice: custom-required
#CHECKGNULINKONCE: section-name: .gnu.linkonce.d.dummy
#CHECKGNULINKONCE: permissions: rw-
#CHECKGNULINKONCE: references:
#CHECKGNULINKONCE: - kind: group-child
#CHECKGNULINKONCE: offset: 0
#CHECKGNULINKONCE: target: bar
#CHECKGNULINKONCE: - kind: group-child
#CHECKGNULINKONCE: offset: 0
#CHECKGNULINKONCESECTIONS: Section {
#CHECKGNULINKONCESECTIONS: Name: .gnu.linkonce.d.dummy
#CHECKGNULINKONCESECTIONS: Type: SHT_PROGBITS
#CHECKGNULINKONCESECTIONS: Flags [ (0x3)
#CHECKGNULINKONCESECTIONS: SHF_ALLOC (0x2)
#CHECKGNULINKONCESECTIONS: SHF_WRITE (0x1)
#CHECKGNULINKONCESECTIONS: ]
#CHECKGNULINKONCESECTIONS: Size: 4
#CHECKGNULINKONCESECTIONS: }
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- Name: .bss
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Section: .gnu.linkonce.d.dummy
...
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Section: .text
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...