derek.holloway
7502bf64a4
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74 lines
3.0 KiB
LLVM
74 lines
3.0 KiB
LLVM
; RUN: rm -rf %t && split-file %s %t && cd %t
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; RUN: cat common.ll authflag.ll > auth.ll
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; RUN: cat common.ll noauthflag.ll > noauth1.ll
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; RUN: cat common.ll > noauth2.ll
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; RUN: llc -mtriple=aarch64-linux -filetype=asm auth.ll -o - | \
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; RUN: FileCheck --check-prefix=AUTH-ASM %s
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; RUN: llc -mtriple=aarch64-linux -filetype=obj auth.ll -o - | \
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; RUN: llvm-readelf -r -x .data.DW.ref.__gxx_personality_v0 - | \
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; RUN: FileCheck --check-prefix=AUTH-RELOC %s
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; AUTH-ASM: DW.ref.__gxx_personality_v0:
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; AUTH-ASM-NEXT: .xword __gxx_personality_v0@AUTH(ia,32429,addr)
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; AUTH-RELOC: Relocation section '.rela.data.DW.ref.__gxx_personality_v0' at offset 0x2a0 contains 1 entries:
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; AUTH-RELOC-NEXT: Offset Info Type Symbol's Value Symbol's Name + Addend
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; AUTH-RELOC-NEXT: 0000000000000000 0000000f00000244 R_AARCH64_AUTH_ABS64 0000000000000000 __gxx_personality_v0 + 0
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; AUTH-RELOC: Hex dump of section '.data.DW.ref.__gxx_personality_v0':
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; AUTH-RELOC-NEXT: 0x00000000 00000000 ad7e0080
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; ^^^^ 0x7EAD = discriminator
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; ^^ 0b10000000: bit 63 = 1 -> address diversity enabled, bits 61:60 = 0b00 -> key is IA
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; RUN: llc -mtriple=aarch64-linux -filetype=asm noauth1.ll -o - | \
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; RUN: FileCheck --check-prefix=NOAUTH-ASM %s
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; RUN: llc -mtriple=aarch64-linux -filetype=obj noauth1.ll -o - | \
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; RUN: llvm-readelf -r -x .data.DW.ref.__gxx_personality_v0 - | \
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; RUN: FileCheck --check-prefix=NOAUTH-RELOC %s
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; RUN: llc -mtriple=aarch64-linux -filetype=asm noauth2.ll -o - | \
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; RUN: FileCheck --check-prefix=NOAUTH-ASM %s
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; RUN: llc -mtriple=aarch64-linux -filetype=obj noauth2.ll -o - | \
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; RUN: llvm-readelf -r -x .data.DW.ref.__gxx_personality_v0 - | \
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; RUN: FileCheck --check-prefix=NOAUTH-RELOC %s
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; NOAUTH-ASM: DW.ref.__gxx_personality_v0:
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; NOAUTH-ASM-NEXT: .xword __gxx_personality_v0{{$}}
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; NOAUTH-RELOC: Relocation section '.rela.data.DW.ref.__gxx_personality_v0' at offset 0x2a0 contains 1 entries:
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; NOAUTH-RELOC-NEXT: Offset Info Type Symbol's Value Symbol's Name + Addend
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; NOAUTH-RELOC-NEXT: 0000000000000000 0000000f00000101 R_AARCH64_ABS64 0000000000000000 __gxx_personality_v0 + 0
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; NOAUTH-RELOC: Hex dump of section '.data.DW.ref.__gxx_personality_v0':
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; NOAUTH-RELOC-NEXT: 0x00000000 00000000 00000000
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;--- common.ll
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@_ZTISt9exception = external constant ptr
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define i32 @main() personality ptr @__gxx_personality_v0 {
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entry:
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invoke void @foo() to label %cont unwind label %lpad
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lpad:
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%0 = landingpad { ptr, i32 }
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catch ptr null
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catch ptr @_ZTISt9exception
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ret i32 0
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cont:
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ret i32 0
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}
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declare i32 @__gxx_personality_v0(...)
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declare void @foo()
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;--- authflag.ll
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!llvm.module.flags = !{!0}
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!0 = !{i32 8, !"ptrauth-sign-personality", i32 1}
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;--- noauthflag.ll
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!llvm.module.flags = !{!0}
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!0 = !{i32 8, !"ptrauth-sign-personality", i32 0}
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