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0f096f23f1
Currently, llvm always emits a DWARF CIE with a version of 1, even when emitting DWARF 3 or 4, which both support CIE version 3. This patch makes it emit the newer CIE version when we are emitting DWARF 3 or 4. This will not reduce compatibility, as we already emit other DWARF3/4 features, and is worth doing as the DWARF3 spec removed some ambiguities in the interpretation of call frame information. It also fixes a minor bug where the "return address" field of the CIE was encoded as a ULEB128, which is only valid when the CIE version is 3. There are no test changes for this, because (as far as I can tell) none of the platforms that we test have a return address register with a DWARF register number >127. llvm-svn: 211272
96 lines
3.1 KiB
ArmAsm
96 lines
3.1 KiB
ArmAsm
# RUN: llvm-mc -triple=powerpc64-unknown-linux-gnu -filetype=obj -relocation-model=static %s | \
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# RUN: llvm-readobj -s -sr -sd | FileCheck %s -check-prefix=STATIC -check-prefix=STATIC-BE
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# RUN: llvm-mc -triple=powerpc64-unknown-linux-gnu -filetype=obj -relocation-model=pic %s | \
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# RUN: llvm-readobj -s -sr -sd | FileCheck %s -check-prefix=PIC -check-prefix=PIC-BE
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# RUN: llvm-mc -triple=powerpc64le-unknown-linux-gnu -filetype=obj -relocation-model=static %s | \
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# RUN: llvm-readobj -s -sr -sd | FileCheck %s -check-prefix=STATIC -check-prefix=STATIC-LE
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# RUN: llvm-mc -triple=powerpc64le-unknown-linux-gnu -filetype=obj -relocation-model=pic %s | \
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# RUN: llvm-readobj -s -sr -sd | FileCheck %s -check-prefix=PIC -check-prefix=PIC-LE
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_proc:
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.cfi_startproc
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nop
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.cfi_endproc
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# STATIC: Section {
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# STATIC: Name: .eh_frame
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# STATIC-NEXT: Type: SHT_PROGBITS
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# STATIC-NEXT: Flags [ (0x2)
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# STATIC-NEXT: SHF_ALLOC
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# STATIC-NEXT: ]
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# STATIC-NEXT: Address:
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# STATIC-NEXT: Offset:
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# STATIC-NEXT: Size: 40
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# STATIC-NEXT: Link: 0
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# STATIC-NEXT: Info: 0
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# STATIC-NEXT: AddressAlignment: 8
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# STATIC-NEXT: EntrySize:
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# STATIC-NEXT: Relocations [
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# STATIC-NEXT: ]
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# STATIC-NEXT: SectionData (
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# STATIC-BE-NEXT: 0000: 00000010 00000000 037A5200 04784101
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# STATIC-LE-NEXT: 0000: 10000000 00000000 037A5200 04784101
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# STATIC-BE-NEXT: 0010: 1B0C0100 00000010 00000018 00000000
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# STATIC-LE-NEXT: 0010: 1B0C0100 10000000 18000000 00000000
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# STATIC-BE-NEXT: 0020: 00000004 00000000
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# STATIC-LE-NEXT: 0020: 04000000 00000000
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# STATIC-NEXT: )
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# STATIC-NEXT: }
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# STATIC: Section {
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# STATIC: Name: .rela.eh_frame
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# STATIC-NEXT: Type: SHT_RELA
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# STATIC-NEXT: Flags [ (0x0)
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# STATIC-NEXT: ]
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# STATIC-NEXT: Address:
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# STATIC-NEXT: Offset:
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# STATIC-NEXT: Size: 24
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# STATIC-NEXT: Link:
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# STATIC-NEXT: Info:
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# STATIC-NEXT: AddressAlignment: 8
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# STATIC-NEXT: EntrySize: 24
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# STATIC-NEXT: Relocations [
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# STATIC-NEXT: 0x1C R_PPC64_REL32 .text 0x0
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# STATIC-NEXT: ]
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# PIC: Section {
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# PIC: Name: .eh_frame
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# PIC-NEXT: Type: SHT_PROGBITS
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# PIC-NEXT: Flags [ (0x2)
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# PIC-NEXT: SHF_ALLOC
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# PIC-NEXT: ]
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# PIC-NEXT: Address:
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# PIC-NEXT: Offset:
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# PIC-NEXT: Size: 40
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# PIC-NEXT: Link: 0
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# PIC-NEXT: Info: 0
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# PIC-NEXT: AddressAlignment: 8
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# PIC-NEXT: EntrySize: 0
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# PIC-NEXT: Relocations [
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# PIC-NEXT: ]
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# PIC-NEXT: SectionData (
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# PIC-BE-NEXT: 0000: 00000010 00000000 037A5200 04784101
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# PIC-LE-NEXT: 0000: 10000000 00000000 037A5200 04784101
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# PIC-BE-NEXT: 0010: 1B0C0100 00000010 00000018 00000000
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# PIC-LE-NEXT: 0010: 1B0C0100 10000000 18000000 00000000
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# PIC-BE-NEXT: 0020: 00000004 00000000
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# PIC-LE-NEXT: 0020: 04000000 00000000
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# PIC-NEXT: )
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# PIC-NEXT: }
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# PIC: Section {
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# PIC: Name: .rela.eh_frame
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# PIC-NEXT: Type: SHT_RELA
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# PIC-NEXT: Flags [ (0x0)
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# PIC-NEXT: ]
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# PIC-NEXT: Address:
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# PIC-NEXT: Offset:
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# PIC-NEXT: Size: 24
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# PIC-NEXT: Link:
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# PIC-NEXT: Info:
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# PIC-NEXT: AddressAlignment: 8
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# PIC-NEXT: EntrySize: 24
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# PIC-NEXT: Relocations [
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# PIC-NEXT: 0x1C R_PPC64_REL32 .text 0x0
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# PIC-NEXT: ]
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