397 lines
14 KiB
Plaintext
397 lines
14 KiB
Plaintext
# Check that PLT entries are properly generated for cases when
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# referenced from both ARM and Thumb code.
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#
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# 1. ARM code generates PLT without transition veneer.
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# RUN: yaml2obj -format=elf -docnum 1 %s > %t-f1-arm.o
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# RUN: lld -flavor old-gnu -target arm-linux-gnu \
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# RUN: -Bstatic --noinhibit-exec %t-f1-arm.o -o %t
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# RUN: llvm-objdump -s %t | FileCheck -check-prefix=ARM-ONE %s
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# ARM-ONE: Contents of section .plt:
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# ARM-ONE-NEXT: 40007c 00c68fe2 00ca8ce2 7cffbce5
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# ^ regular veneer ^
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# Next line shows that .plt section ends.
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# ARM-ONE-NEXT: Contents of section .text:
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# 2. Thumb code generates PLT with transition veneer.
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# RUN: yaml2obj -format=elf -docnum 2 %s > %t-f1-thm.o
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# RUN: lld -flavor old-gnu -target arm-linux-gnu \
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# RUN: -Bstatic --noinhibit-exec %t-f1-thm.o -o %t
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# RUN: llvm-objdump -s %t | FileCheck -check-prefix=THM-ONE %s
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# THM-ONE: Contents of section .plt:
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# THM-ONE-NEXT: 40007c 78470000 00c68fe2 00ca8ce2 78ffbce5
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# bx pc ^^ ^ regular veneer ^
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# Next line shows that .plt section ends.
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# THM-ONE-NEXT: Contents of section .text:
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# 3. ARM + Thumb code generate same single PLT with transition veneer.
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# RUN: yaml2obj -format=elf -docnum 1 %s > %t-f1-arm.o
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# RUN: yaml2obj -format=elf -docnum 3 %s > %t-f1-thm-for-arm.o
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# RUN: lld -flavor old-gnu -target arm-linux-gnu \
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# RUN: -Bstatic --noinhibit-exec %t-f1-arm.o %t-f1-thm-for-arm.o -o %t
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# RUN: llvm-objdump -s %t | FileCheck -check-prefix=THM-ONE %s
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# 4. Thumb + ARM code generate same single PLT with transition veneer.
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# RUN: yaml2obj -format=elf -docnum 3 %s > %t-f1-thm-for-arm.o
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# RUN: yaml2obj -format=elf -docnum 1 %s > %t-f1-arm.o
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# RUN: lld -flavor old-gnu -target arm-linux-gnu \
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# RUN: -Bstatic --noinhibit-exec %t-f1-thm-for-arm.o %t-f1-arm.o -o %t
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# RUN: llvm-objdump -s %t | FileCheck -check-prefix=THM-ONE %s
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# 5. ARM + ARM code generate two PLTs without transition veneers.
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# RUN: yaml2obj -format=elf -docnum 1 %s > %t-f1-arm.o
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# RUN: yaml2obj -format=elf -docnum 4 %s > %t-f2-arm.o
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# RUN: lld -flavor old-gnu -target arm-linux-gnu \
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# RUN: -Bstatic --noinhibit-exec %t-f1-arm.o %t-f2-arm.o -o %t
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# RUN: llvm-objdump -s %t | FileCheck -check-prefix=ARM-TWO %s
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# ARM-TWO: Contents of section .plt:
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# ARM-TWO-NEXT: 400084 00c68fe2 00ca8ce2 74ffbce5 00c68fe2
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# ^ regular veneer 1 ^ ^ --
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# ARM-TWO-NEXT: 400094 00ca8ce2 6cffbce5
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# --- regular veneer 2 ^
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# Next line shows that .plt section ends.
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# ARM-TWO-NEXT: Contents of section .text:
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# 6. ARM + Thumb code generate two PLTs without and with transition veneer.
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# RUN: yaml2obj -format=elf -docnum 1 %s > %t-f1-arm.o
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# RUN: yaml2obj -format=elf -docnum 5 %s > %t-f2-thm.o
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# RUN: lld -flavor old-gnu -target arm-linux-gnu \
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# RUN: -Bstatic --noinhibit-exec %t-f1-arm.o %t-f2-thm.o -o %t
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# RUN: llvm-objdump -s %t | FileCheck -check-prefix=ARM-THM-TWO %s
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# ARM-THM-TWO: Contents of section .plt:
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# ARM-THM-TWO-NEXT: 400084 00c68fe2 00ca8ce2 74ffbce5 78470000
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# ^ regular veneer 1 ^ ^^ bx pc 2
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# ARM-THM-TWO-NEXT: 400094 00c68fe2 00ca8ce2 68ffbce5
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# ^ regular veneer 2 ^
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# Next line shows that .plt section ends.
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# ARM-THM-TWO-NEXT: Contents of section .text:
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# 7. Thumb + ARM code generate two PLTs with and without transition veneer.
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# RUN: yaml2obj -format=elf -docnum 2 %s > %t-f1-thm.o
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# RUN: yaml2obj -format=elf -docnum 4 %s > %t-f2-arm.o
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# RUN: lld -flavor old-gnu -target arm-linux-gnu \
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# RUN: -Bstatic --noinhibit-exec %t-f1-thm.o %t-f2-arm.o -o %t
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# RUN: llvm-objdump -s %t | FileCheck -check-prefix=THM-ARM-TWO %s
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# THM-ARM-TWO: Contents of section .plt:
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# THM-ARM-TWO-NEXT: 400084 78470000 00c68fe2 00ca8ce2 70ffbce
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# bx pc 1 ^^ ^ regular veneer 1 ^
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# THM-ARM-TWO-NEXT: 400094 00c68fe2 00ca8ce2 68ffbce5
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# ^ regular veneer 2 ^
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# Next line shows that .plt section ends.
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# THM-ARM-TWO-NEXT: Contents of section .text:
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# 8. Thumb + Thumb code generate two PLTs with transition veneers.
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# RUN: yaml2obj -format=elf -docnum 2 %s > %t-f1-thm.o
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# RUN: yaml2obj -format=elf -docnum 5 %s > %t-f2-thm.o
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# RUN: lld -flavor old-gnu -target arm-linux-gnu \
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# RUN: -Bstatic --noinhibit-exec %t-f1-thm.o %t-f2-thm.o -o %t
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# RUN: llvm-objdump -s %t | FileCheck -check-prefix=THM-TWO %s
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# THM-TWO: Contents of section .plt:
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# THM-TWO-NEXT: 400084 78470000 00c68fe2 00ca8ce2 70ffbce5
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# bx pc 1 ^^ ^ regular veneer 1 ^
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# THM-TWO-NEXT: 400094 78470000 00c68fe2 00ca8ce2 64ffbce5
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# bx pc 2 ^^ ^ regular veneer 2 ^
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# Next line shows that .plt section ends.
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# THM-TWO-NEXT: Contents of section .text:
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# 9. Thumb code generates PLT without transition veneer when bl->blx is done.
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# RUN: yaml2obj -format=elf -docnum 6 %s > %t-f1-thm-c.o
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# RUN: lld -flavor old-gnu -target arm-linux-gnu \
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# RUN: -Bstatic --noinhibit-exec %t-f1-thm-c.o -o %t
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# RUN: llvm-objdump -s %t | FileCheck -check-prefix=THM-BL %s
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# THM-BL: Contents of section .plt:
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# THM-BL-NEXT: 40007c 00c68fe2 00ca8ce2 7cffbce5
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# ^ regular veneer ^
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# Next line shows that .plt section ends.
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# THM-BL-NEXT: Contents of section .text:
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# f1-arm.o
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---
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Content: 04B02DE500B08DE2003000E3003040E30300A0E100D04BE204B09DE41EFF2FE100482DE904B08DE2FEFFFFEA0030A0E10300A0E10088BDE8
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# f1-thm.o
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---
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# f1-thm-for-arm.o
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---
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# f2-arm.o
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---
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# f2-thm.o
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---
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# f1-thm-c.o
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---
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...
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