d95f7c9cab
Android supports per thread stack protectors that are individually managed and initialized, which can provide stronger protections than using the global stack protector cookie. This patch matches the convention for other architectures targeting Android platforms.
72 lines
2.9 KiB
LLVM
72 lines
2.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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;; Test target-specific stack cookie location.
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;
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; RUN: llc -mtriple=riscv64-linux < %s | FileCheck --check-prefix=LINUX-RISCV64 %s
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; RUN: llc -mtriple=riscv64-fuchsia < %s | FileCheck --check-prefix=FUCHSIA-RISCV64 %s
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; RUN: llc -mtriple=riscv64-android < %s | FileCheck --check-prefix=ANDROID-RISCV64 %s
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define void @func() sspreq nounwind {
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; LINUX-RISCV64-LABEL: func:
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; LINUX-RISCV64: # %bb.0:
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; LINUX-RISCV64-NEXT: addi sp, sp, -32
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; LINUX-RISCV64-NEXT: sd ra, 24(sp) # 8-byte Folded Spill
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; LINUX-RISCV64-NEXT: sd s0, 16(sp) # 8-byte Folded Spill
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; LINUX-RISCV64-NEXT: lui s0, %hi(__stack_chk_guard)
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; LINUX-RISCV64-NEXT: ld a0, %lo(__stack_chk_guard)(s0)
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; LINUX-RISCV64-NEXT: sd a0, 8(sp)
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; LINUX-RISCV64-NEXT: addi a0, sp, 4
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; LINUX-RISCV64-NEXT: call capture
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; LINUX-RISCV64-NEXT: ld a0, %lo(__stack_chk_guard)(s0)
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; LINUX-RISCV64-NEXT: ld a1, 8(sp)
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; LINUX-RISCV64-NEXT: bne a0, a1, .LBB0_2
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; LINUX-RISCV64-NEXT: # %bb.1:
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; LINUX-RISCV64-NEXT: ld ra, 24(sp) # 8-byte Folded Reload
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; LINUX-RISCV64-NEXT: ld s0, 16(sp) # 8-byte Folded Reload
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; LINUX-RISCV64-NEXT: addi sp, sp, 32
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; LINUX-RISCV64-NEXT: ret
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; LINUX-RISCV64-NEXT: .LBB0_2:
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; LINUX-RISCV64-NEXT: call __stack_chk_fail
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;
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; FUCHSIA-RISCV64-LABEL: func:
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; FUCHSIA-RISCV64: # %bb.0:
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; FUCHSIA-RISCV64-NEXT: addi sp, sp, -32
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; FUCHSIA-RISCV64-NEXT: sd ra, 24(sp) # 8-byte Folded Spill
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; FUCHSIA-RISCV64-NEXT: ld a0, -16(tp)
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; FUCHSIA-RISCV64-NEXT: sd a0, 16(sp)
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; FUCHSIA-RISCV64-NEXT: addi a0, sp, 12
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; FUCHSIA-RISCV64-NEXT: call capture
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; FUCHSIA-RISCV64-NEXT: ld a0, -16(tp)
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; FUCHSIA-RISCV64-NEXT: ld a1, 16(sp)
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; FUCHSIA-RISCV64-NEXT: bne a0, a1, .LBB0_2
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; FUCHSIA-RISCV64-NEXT: # %bb.1: # %SP_return
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; FUCHSIA-RISCV64-NEXT: ld ra, 24(sp) # 8-byte Folded Reload
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; FUCHSIA-RISCV64-NEXT: addi sp, sp, 32
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; FUCHSIA-RISCV64-NEXT: ret
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; FUCHSIA-RISCV64-NEXT: .LBB0_2: # %CallStackCheckFailBlk
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; FUCHSIA-RISCV64-NEXT: call __stack_chk_fail
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;
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; ANDROID-RISCV64-LABEL: func:
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; ANDROID-RISCV64: # %bb.0:
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; ANDROID-RISCV64-NEXT: addi sp, sp, -32
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; ANDROID-RISCV64-NEXT: sd ra, 24(sp) # 8-byte Folded Spill
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; ANDROID-RISCV64-NEXT: ld a0, -24(tp)
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; ANDROID-RISCV64-NEXT: sd a0, 16(sp)
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; ANDROID-RISCV64-NEXT: addi a0, sp, 12
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; ANDROID-RISCV64-NEXT: call capture
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; ANDROID-RISCV64-NEXT: ld a0, -24(tp)
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; ANDROID-RISCV64-NEXT: ld a1, 16(sp)
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; ANDROID-RISCV64-NEXT: bne a0, a1, .LBB0_2
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; ANDROID-RISCV64-NEXT: # %bb.1: # %SP_return
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; ANDROID-RISCV64-NEXT: ld ra, 24(sp) # 8-byte Folded Reload
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; ANDROID-RISCV64-NEXT: addi sp, sp, 32
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; ANDROID-RISCV64-NEXT: ret
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; ANDROID-RISCV64-NEXT: .LBB0_2: # %CallStackCheckFailBlk
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; ANDROID-RISCV64-NEXT: call __stack_chk_fail
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%1 = alloca i32, align 4
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call void @capture(ptr %1)
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ret void
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}
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declare void @capture(ptr)
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