mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-21 20:12:56 +02:00
ea0c98b8f9
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 llvm-svn: 296081
38 lines
1.3 KiB
LLVM
38 lines
1.3 KiB
LLVM
; RUN: llc -mtriple=i386-linux < %s -o - | FileCheck --check-prefix=LINUX-I386 %s
|
|
; RUN: llc -mtriple=x86_64-linux < %s -o - | FileCheck --check-prefix=LINUX-X64 %s
|
|
; RUN: llc -mtriple=i386-linux-android < %s -o - | FileCheck --check-prefix=ANDROID-I386 %s
|
|
; RUN: llc -mtriple=x86_64-linux-android < %s -o - | FileCheck --check-prefix=ANDROID-X64 %s
|
|
; RUN: llc -mtriple=x86_64-fuchsia < %s -o - | FileCheck --check-prefix=FUCHSIA-X64 %s
|
|
|
|
define void @_Z1fv() safestack {
|
|
entry:
|
|
%x = alloca i32, align 4
|
|
%0 = bitcast i32* %x to i8*
|
|
call void @_Z7CapturePi(i32* nonnull %x)
|
|
ret void
|
|
}
|
|
|
|
declare void @_Z7CapturePi(i32*)
|
|
|
|
; LINUX-X64: movq __safestack_unsafe_stack_ptr@GOTTPOFF(%rip), %[[A:.*]]
|
|
; LINUX-X64: movq %fs:(%[[A]]), %[[B:.*]]
|
|
; LINUX-X64: leaq -16(%[[B]]), %[[C:.*]]
|
|
; LINUX-X64: movq %[[C]], %fs:(%[[A]])
|
|
|
|
; LINUX-I386: movl __safestack_unsafe_stack_ptr@INDNTPOFF, %[[A:.*]]
|
|
; LINUX-I386: movl %gs:(%[[A]]), %[[B:.*]]
|
|
; LINUX-I386: leal -16(%[[B]]), %[[C:.*]]
|
|
; LINUX-I386: movl %[[C]], %gs:(%[[A]])
|
|
|
|
; ANDROID-I386: movl %gs:36, %[[A:.*]]
|
|
; ANDROID-I386: leal -16(%[[A]]), %[[B:.*]]
|
|
; ANDROID-I386: movl %[[B]], %gs:36
|
|
|
|
; ANDROID-X64: movq %fs:72, %[[A:.*]]
|
|
; ANDROID-X64: leaq -16(%[[A]]), %[[B:.*]]
|
|
; ANDROID-X64: movq %[[B]], %fs:72
|
|
|
|
; FUCHSIA-X64: movq %fs:24, %[[A:.*]]
|
|
; FUCHSIA-X64: leaq -16(%[[A]]), %[[B:.*]]
|
|
; FUCHSIA-X64: movq %[[B]], %fs:24
|