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193856a80c
The Fuchsia ABI defines slots from the thread pointer where the stack-guard value for stack-protector, and the unsafe stack pointer for safe-stack, are stored. This parallels the Android ABI support. Patch by Roland McGrath Differential Revision: https://reviews.llvm.org/D30237 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@296081 91177308-0d34-0410-b5e6-96231b3b80d8
28 lines
935 B
LLVM
28 lines
935 B
LLVM
; Test target-specific stack cookie location.
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; RUN: llc -mtriple=aarch64-linux-android < %s -o - | FileCheck --check-prefix=ANDROID-AARCH64 %s
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; RUN: llc -mtriple=aarch64-fuchsia < %s -o - | FileCheck --check-prefix=FUCHSIA-AARCH64 %s
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define void @_Z1fv() sspreq {
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entry:
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%x = alloca i32, align 4
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%0 = bitcast i32* %x to i8*
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call void @_Z7CapturePi(i32* nonnull %x)
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ret void
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}
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declare void @_Z7CapturePi(i32*)
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; ANDROID-AARCH64: mrs [[A:.*]], TPIDR_EL0
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; ANDROID-AARCH64: ldr [[B:.*]], {{\[}}[[A]], #40]
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; ANDROID-AARCH64: str [[B]], [sp,
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; ANDROID-AARCH64: ldr [[C:.*]], {{\[}}[[A]], #40]
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; ANDROID-AARCH64: ldr [[D:.*]], [sp,
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; ANDROID-AARCH64: cmp [[C]], [[D]]
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; FUCHSIA-AARCH64: mrs [[A:.*]], TPIDR_EL0
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; FUCHSIA-AARCH64: ldur [[B:.*]], {{\[}}[[A]], #-16]
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; FUCHSIA-AARCH64: str [[B]], [sp,
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; FUCHSIA-AARCH64: ldur [[C:.*]], {{\[}}[[A]], #-16]
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; FUCHSIA-AARCH64: ldr [[D:.*]], [sp,
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; FUCHSIA-AARCH64: cmp [[C]], [[D]]
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