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[PAC][llvm-readobj][AArch64][ELF] Support `GNU_PROPERTY_AARCH64_FEATU…
…RE_PAUTH` This adds support for `GNU_PROPERTY_AARCH64_FEATURE_PAUTH` feature handling in llvm-readobj and llvm-readelf. The following constants for supported platforms are also introduced: - `AARCH64_PAUTH_PLATFORM_INVALID = 0x0` - `AARCH64_PAUTH_PLATFORM_BAREMETAL = 0x1` - `AARCH64_PAUTH_PLATFORM_LLVM_LINUX = 0x10000002` For the llvm_linux platform, output of the tools contains descriptions of PAuth features which are enabled/disabled depending on the version value. Version value bits correspond to the following `LangOptions`: - bit 0: `PointerAuthIntrinsics`; - bit 1: `PointerAuthCalls`; - bit 2: `PointerAuthReturns`; - bit 3: `PointerAuthAuthTraps`; - bit 4: `PointerAuthVTPtrAddressDiscrimination`; - bit 5: `PointerAuthVTPtrTypeDiscrimination`; - bit 6: `PointerAuthInitFini`. Support for `.note.AARCH64-PAUTH-ABI-tag` is dropped since it's deleted from the spec in ARM-software/abi-aa#250.
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llvm/test/tools/llvm-readobj/ELF/AArch64/aarch64-feature-pauth.s
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,98 +1,188 @@ | ||
| # RUN: rm -rf %t && split-file %s %t && cd %t | ||
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| # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu abi-tag.s -o tag.o | ||
| # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu abi-tag-short.s -o tag-short.o | ||
| # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu abi-tag-long.s -o tag-long.o | ||
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| # RUN: llvm-readelf --notes tag.o | FileCheck --check-prefix NORMAL %s | ||
| # RUN: llvm-readelf --notes tag-short.o | FileCheck --check-prefix SHORT %s | ||
| # RUN: llvm-readelf --notes tag-long.o | FileCheck --check-prefix LONG %s | ||
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| # NORMAL: AArch64 PAuth ABI tag: platform 0x2a, version 0x1 | ||
| # SHORT: AArch64 PAuth ABI tag: <corrupted size: expected at least 16, got 12> | ||
| # LONG: AArch64 PAuth ABI tag: platform 0x2a, version 0x1, additional info 0xEFCDAB8967452301 | ||
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| # RUN: llvm-readobj --notes tag.o | FileCheck --check-prefix LLVM-NORMAL %s | ||
| # RUN: llvm-readobj --notes tag-short.o | FileCheck --check-prefix LLVM-SHORT %s | ||
| # RUN: llvm-readobj --notes tag-long.o | FileCheck --check-prefix LLVM-LONG %s | ||
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| # LLVM-SHORT: Notes [ | ||
| # LLVM-SHORT-NEXT: NoteSection { | ||
| # LLVM-SHORT-NEXT: Name: .note.AARCH64-PAUTH-ABI-tag | ||
| # LLVM-SHORT-NEXT: Offset: 0x40 | ||
| # LLVM-SHORT-NEXT: Size: 0x1C | ||
| # LLVM-SHORT-NEXT: Note { | ||
| # LLVM-SHORT-NEXT: Owner: ARM | ||
| # LLVM-SHORT-NEXT: Data size: 0xC | ||
| # LLVM-SHORT-NEXT: Type: NT_ARM_TYPE_PAUTH_ABI_TAG | ||
| # LLVM-SHORT-NEXT: Description data ( | ||
| # LLVM-SHORT-NEXT: 0000: 2A000000 00000000 01000000 | ||
| # LLVM-SHORT-NEXT: ) | ||
| # LLVM-SHORT-NEXT: } | ||
| # LLVM-SHORT-NEXT: } | ||
| # LLVM-SHORT-NEXT: ] | ||
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| # LLVM-NORMAL: Notes [ | ||
| # LLVM-NORMAL-NEXT: NoteSection { | ||
| # LLVM-NORMAL-NEXT: Name: .note.AARCH64-PAUTH-ABI-tag | ||
| # LLVM-NORMAL-NEXT: Offset: 0x40 | ||
| # LLVM-NORMAL-NEXT: Size: 0x20 | ||
| # LLVM-NORMAL-NEXT: Note { | ||
| # LLVM-NORMAL-NEXT: Owner: ARM | ||
| # LLVM-NORMAL-NEXT: Data size: 0x10 | ||
| # LLVM-NORMAL-NEXT: Type: NT_ARM_TYPE_PAUTH_ABI_TAG | ||
| # LLVM-NORMAL-NEXT: Platform: 42 | ||
| # LLVM-NORMAL-NEXT: Version: 1 | ||
| # LLVM-NORMAL-NEXT: } | ||
| # LLVM-NORMAL-NEXT: } | ||
| # LLVM-NORMAL-NEXT: ] | ||
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| # LLVM-LONG: Notes [ | ||
| # LLVM-LONG-NEXT: NoteSection { | ||
| # LLVM-LONG-NEXT: Name: .note.AARCH64-PAUTH-ABI-tag | ||
| # LLVM-LONG-NEXT: Offset: 0x40 | ||
| # LLVM-LONG-NEXT: Size: 0x28 | ||
| # LLVM-LONG-NEXT: Note { | ||
| # LLVM-LONG-NEXT: Owner: ARM | ||
| # LLVM-LONG-NEXT: Data size: 0x18 | ||
| # LLVM-LONG-NEXT: Type: NT_ARM_TYPE_PAUTH_ABI_TAG | ||
| # LLVM-LONG-NEXT: Platform: 42 | ||
| # LLVM-LONG-NEXT: Version: 1 | ||
| # LLVM-LONG-NEXT: Additional info: EFCDAB8967452301 | ||
| # LLVM-LONG-NEXT: } | ||
| # LLVM-LONG-NEXT: } | ||
| # LLVM-LONG-NEXT: ] | ||
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| #--- abi-tag.s | ||
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| .section ".note.AARCH64-PAUTH-ABI-tag", "a" | ||
| .long 4 | ||
| .long 16 | ||
| .long 1 | ||
| .asciz "ARM" | ||
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| .quad 42 // platform | ||
| .quad 1 // version | ||
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| #--- abi-tag-short.s | ||
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| .section ".note.AARCH64-PAUTH-ABI-tag", "a" | ||
| .long 4 | ||
| .long 12 | ||
| .long 1 | ||
| .asciz "ARM" | ||
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| .quad 42 | ||
| .word 1 | ||
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| #--- abi-tag-long.s | ||
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| .section ".note.AARCH64-PAUTH-ABI-tag", "a" | ||
| .long 4 | ||
| .long 24 | ||
| .long 1 | ||
| .asciz "ARM" | ||
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| .quad 42 // platform | ||
| .quad 1 // version | ||
| .quad 0x0123456789ABCDEF // extra data | ||
| #--- gnu-42-1.s | ||
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| .section ".note.gnu.property", "a" | ||
| .long 4 /* Name length is always 4 ("GNU") */ | ||
| .long end - begin /* Data length */ | ||
| .long 5 /* Type: NT_GNU_PROPERTY_TYPE_0 */ | ||
| .asciz "GNU" /* Name */ | ||
| .p2align 3 | ||
| begin: | ||
| /* PAuth ABI property note */ | ||
| .long 0xc0000001 /* Type: GNU_PROPERTY_AARCH64_FEATURE_PAUTH */ | ||
| .long 16 /* Data size */ | ||
| .quad 42 /* PAuth ABI platform */ | ||
| .quad 1 /* PAuth ABI version */ | ||
| .p2align 3 /* Align to 8 byte for 64 bit */ | ||
| end: | ||
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| # RUN: llvm-mc -filetype=obj -triple aarch64-linux-gnu gnu-42-1.s -o gnu-42-1.o | ||
| # RUN: llvm-readelf --notes gnu-42-1.o | \ | ||
| # RUN: FileCheck --check-prefix=ELF-GNU -DPLATFORM="0x2a (unknown)" -DVERSION=0x1 %s | ||
| # RUN: llvm-readobj --notes gnu-42-1.o | \ | ||
| # RUN: FileCheck --check-prefix=OBJ-GNU -DPLATFORM="0x2a (unknown)" -DVERSION=0x1 %s | ||
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| # ELF-GNU: Displaying notes found in: .note.gnu.property | ||
| # ELF-GNU-NEXT: Owner Data size Description | ||
| # ELF-GNU-NEXT: GNU 0x00000018 NT_GNU_PROPERTY_TYPE_0 (property note) | ||
| # ELF-GNU-NEXT: AArch64 PAuth ABI core info: platform [[PLATFORM]], version [[VERSION]] | ||
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| # OBJ-GNU: Notes [ | ||
| # OBJ-GNU-NEXT: NoteSection { | ||
| # OBJ-GNU-NEXT: Name: .note.gnu.property | ||
| # OBJ-GNU-NEXT: Offset: 0x40 | ||
| # OBJ-GNU-NEXT: Size: 0x28 | ||
| # OBJ-GNU-NEXT: Note { | ||
| # OBJ-GNU-NEXT: Owner: GNU | ||
| # OBJ-GNU-NEXT: Data size: 0x18 | ||
| # OBJ-GNU-NEXT: Type: NT_GNU_PROPERTY_TYPE_0 (property note) | ||
| # OBJ-GNU-NEXT: Property [ | ||
| # OBJ-GNU-NEXT: AArch64 PAuth ABI core info: platform [[PLATFORM]], version [[VERSION]] | ||
| # OBJ-GNU-NEXT: ] | ||
| # OBJ-GNU-NEXT: } | ||
| # OBJ-GNU-NEXT: } | ||
| # OBJ-GNU-NEXT: ] | ||
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| #--- gnu-0-0.s | ||
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| .section ".note.gnu.property", "a" | ||
| .long 4 /* Name length is always 4 ("GNU") */ | ||
| .long end - begin /* Data length */ | ||
| .long 5 /* Type: NT_GNU_PROPERTY_TYPE_0 */ | ||
| .asciz "GNU" /* Name */ | ||
| .p2align 3 | ||
| begin: | ||
| /* PAuth ABI property note */ | ||
| .long 0xc0000001 /* Type: GNU_PROPERTY_AARCH64_FEATURE_PAUTH */ | ||
| .long 16 /* Data size */ | ||
| .quad 0 /* PAuth ABI platform */ | ||
| .quad 0 /* PAuth ABI version */ | ||
| .p2align 3 /* Align to 8 byte for 64 bit */ | ||
| end: | ||
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| # RUN: llvm-mc -filetype=obj -triple aarch64-linux-gnu gnu-0-0.s -o gnu-0-0.o | ||
| # RUN: llvm-readelf --notes gnu-0-0.o | \ | ||
| # RUN: FileCheck --check-prefix=ELF-GNU -DPLATFORM="0x0 (invalid)" -DVERSION=0x0 %s | ||
| # RUN: llvm-readobj --notes gnu-0-0.o | \ | ||
| # RUN: FileCheck --check-prefix=OBJ-GNU -DPLATFORM="0x0 (invalid)" -DVERSION=0x0 %s | ||
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| #--- gnu-1-0.s | ||
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| .section ".note.gnu.property", "a" | ||
| .long 4 /* Name length is always 4 ("GNU") */ | ||
| .long end - begin /* Data length */ | ||
| .long 5 /* Type: NT_GNU_PROPERTY_TYPE_0 */ | ||
| .asciz "GNU" /* Name */ | ||
| .p2align 3 | ||
| begin: | ||
| /* PAuth ABI property note */ | ||
| .long 0xc0000001 /* Type: GNU_PROPERTY_AARCH64_FEATURE_PAUTH */ | ||
| .long 16 /* Data size */ | ||
| .quad 1 /* PAuth ABI platform */ | ||
| .quad 0 /* PAuth ABI version */ | ||
| .p2align 3 /* Align to 8 byte for 64 bit */ | ||
| end: | ||
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| # RUN: llvm-mc -filetype=obj -triple aarch64-linux-gnu gnu-1-0.s -o gnu-1-0.o | ||
| # RUN: llvm-readelf --notes gnu-1-0.o | \ | ||
| # RUN: FileCheck --check-prefix=ELF-GNU -DPLATFORM="0x1 (baremetal)" -DVERSION=0x0 %s | ||
| # RUN: llvm-readobj --notes gnu-1-0.o | \ | ||
| # RUN: FileCheck --check-prefix=OBJ-GNU -DPLATFORM="0x1 (baremetal)" -DVERSION=0x0 %s | ||
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| #--- gnu-0x10000002-85.s | ||
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| .section ".note.gnu.property", "a" | ||
| .long 4 /* Name length is always 4 ("GNU") */ | ||
| .long end - begin /* Data length */ | ||
| .long 5 /* Type: NT_GNU_PROPERTY_TYPE_0 */ | ||
| .asciz "GNU" /* Name */ | ||
| .p2align 3 | ||
| begin: | ||
| /* PAuth ABI property note */ | ||
| .long 0xc0000001 /* Type: GNU_PROPERTY_AARCH64_FEATURE_PAUTH */ | ||
| .long 16 /* Data size */ | ||
| .quad 0x10000002 /* PAuth ABI platform */ | ||
| .quad 85 /* PAuth ABI version */ | ||
| .p2align 3 /* Align to 8 byte for 64 bit */ | ||
| end: | ||
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| # RUN: llvm-mc -filetype=obj -triple aarch64-linux-gnu gnu-0x10000002-85.s -o gnu-0x10000002-85.o | ||
| # RUN: llvm-readelf --notes gnu-0x10000002-85.o | \ | ||
| # RUN: FileCheck --check-prefix=ELF-GNU -DPLATFORM="0x10000002 (llvm_linux)" \ | ||
| # RUN: -DVERSION="0x55 (PointerAuthIntrinsics, !PointerAuthCalls, PointerAuthReturns, !PointerAuthAuthTraps, PointerAuthVTPtrAddressDiscrimination, !PointerAuthVTPtrTypeDiscrimination, PointerAuthInitFini)" %s | ||
| # RUN: llvm-readobj --notes gnu-0x10000002-85.o | \ | ||
| # RUN: FileCheck --check-prefix=OBJ-GNU -DPLATFORM="0x10000002 (llvm_linux)" \ | ||
| # RUN: -DVERSION="0x55 (PointerAuthIntrinsics, !PointerAuthCalls, PointerAuthReturns, !PointerAuthAuthTraps, PointerAuthVTPtrAddressDiscrimination, !PointerAuthVTPtrTypeDiscrimination, PointerAuthInitFini)" %s | ||
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| #--- gnu-short.s | ||
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| .section ".note.gnu.property", "a" | ||
| .long 4 /* Name length is always 4 ("GNU") */ | ||
| .long end - begin /* Data length */ | ||
| .long 5 /* Type: NT_GNU_PROPERTY_TYPE_0 */ | ||
| .asciz "GNU" /* Name */ | ||
| .p2align 3 | ||
| begin: | ||
| /* PAuth ABI property note */ | ||
| .long 0xc0000001 /* Type: GNU_PROPERTY_AARCH64_FEATURE_PAUTH */ | ||
| .long 12 /* Data size */ | ||
| .quad 42 /* PAuth ABI platform */ | ||
| .word 1 /* PAuth ABI version */ | ||
| .p2align 3 /* Align to 8 byte for 64 bit */ | ||
| end: | ||
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| # RUN: llvm-mc -filetype=obj -triple aarch64-linux-gnu gnu-short.s -o gnu-short.o | ||
| # RUN: llvm-readelf --notes gnu-short.o | \ | ||
| # RUN: FileCheck --check-prefix=ELF-GNU-ERR -DSIZE=28 -DDATASIZE=18 \ | ||
| # RUN: -DERR="<corrupted size: expected 16, got 12>" %s | ||
| # RUN: llvm-readobj --notes gnu-short.o | \ | ||
| # RUN: FileCheck --check-prefix=OBJ-GNU-ERR -DSIZE=28 -DDATASIZE=18 \ | ||
| # RUN: -DERR="<corrupted size: expected 16, got 12>" %s | ||
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| # ELF-GNU-ERR: Displaying notes found in: .note.gnu.property | ||
| # ELF-GNU-ERR-NEXT: Owner Data size Description | ||
| # ELF-GNU-ERR-NEXT: GNU 0x000000[[DATASIZE]] NT_GNU_PROPERTY_TYPE_0 (property note) | ||
| # ELF-GNU-ERR-NEXT: AArch64 PAuth ABI core info: [[ERR]] | ||
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| # OBJ-GNU-ERR: Notes [ | ||
| # OBJ-GNU-ERR-NEXT: NoteSection { | ||
| # OBJ-GNU-ERR-NEXT: Name: .note.gnu.property | ||
| # OBJ-GNU-ERR-NEXT: Offset: 0x40 | ||
| # OBJ-GNU-ERR-NEXT: Size: 0x[[SIZE]] | ||
| # OBJ-GNU-ERR-NEXT: Note { | ||
| # OBJ-GNU-ERR-NEXT: Owner: GNU | ||
| # OBJ-GNU-ERR-NEXT: Data size: 0x[[DATASIZE]] | ||
| # OBJ-GNU-ERR-NEXT: Type: NT_GNU_PROPERTY_TYPE_0 (property note) | ||
| # OBJ-GNU-ERR-NEXT: Property [ | ||
| # OBJ-GNU-ERR-NEXT: AArch64 PAuth ABI core info: [[ERR]] | ||
| # OBJ-GNU-ERR-NEXT: ] | ||
| # OBJ-GNU-ERR-NEXT: } | ||
| # OBJ-GNU-ERR-NEXT: } | ||
| # OBJ-GNU-ERR-NEXT: ] | ||
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| #--- gnu-long.s | ||
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| .section ".note.gnu.property", "a" | ||
| .long 4 /* Name length is always 4 ("GNU") */ | ||
| .long end - begin /* Data length */ | ||
| .long 5 /* Type: NT_GNU_PROPERTY_TYPE_0 */ | ||
| .asciz "GNU" /* Name */ | ||
| .p2align 3 | ||
| begin: | ||
| /* PAuth ABI property note */ | ||
| .long 0xc0000001 /* Type: GNU_PROPERTY_AARCH64_FEATURE_PAUTH */ | ||
| .long 24 /* Data size */ | ||
| .quad 42 /* PAuth ABI platform */ | ||
| .quad 1 /* PAuth ABI version */ | ||
| .quad 0x0123456789ABCDEF | ||
| .p2align 3 /* Align to 8 byte for 64 bit */ | ||
| end: | ||
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| # RUN: llvm-mc -filetype=obj -triple aarch64-linux-gnu gnu-long.s -o gnu-long.o | ||
| # RUN: llvm-readelf --notes gnu-long.o | \ | ||
| # RUN: FileCheck --check-prefix=ELF-GNU-ERR -DSIZE=30 -DDATASIZE=20 \ | ||
| # RUN: -DERR="<corrupted size: expected 16, got 24>" %s | ||
| # RUN: llvm-readobj --notes gnu-long.o | \ | ||
| # RUN: FileCheck --check-prefix=OBJ-GNU-ERR -DSIZE=30 -DDATASIZE=20 \ | ||
| # RUN: -DERR="<corrupted size: expected 16, got 24>" %s |
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llvm/test/tools/llvm-readobj/ELF/AArch64/aarch64-note-gnu-property.s
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