blob: 3b0476db9d3cb17c7d9d2e40d01eefcc09d6352d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
// RUN: %clang -target i386-unknown-linux -fstack-clash-protection -### %s 2>&1 | FileCheck %s -check-prefix=SCP-i386
// RUN: %clang -target i386-unknown-linux -fno-stack-clash-protection -fstack-clash-protection -### %s 2>&1 | FileCheck %s -check-prefix=SCP-i386
// RUN: %clang -target i386-unknown-linux -fstack-clash-protection -fno-stack-clash-protection -### %s 2>&1 | FileCheck %s -check-prefix=SCP-i386-NO
// SCP-i386: "-fstack-clash-protection"
// SCP-i386-NO-NOT: "-fstack-clash-protection"
// RUN: %clang -target x86_64-scei-linux -fstack-clash-protection -### %s 2>&1 | FileCheck %s -check-prefix=SCP-x86
// RUN: %clang -target x86_64-unknown-freebsd -fstack-clash-protection -### %s 2>&1 | FileCheck %s -check-prefix=SCP-x86
// SCP-x86: "-fstack-clash-protection"
// RUN: %clang -target armv7k-apple-linux -fstack-clash-protection -### %s 2>&1 | FileCheck %s -check-prefix=SCP-armv7
// SCP-armv7-NOT: "-fstack-clash-protection"
// SCP-armv7: argument unused during compilation: '-fstack-clash-protection'
// RUN: %clang -target x86_64-unknown-linux -fstack-clash-protection -S -emit-llvm -o %t.ll %s 2>&1 | FileCheck %s -check-prefix=SCP-warn
// SCP-warn: warning: unable to protect inline asm that clobbers stack pointer against stack clash
// RUN: %clang -target x86_64-pc-unknown-linux -fstack-clash-protection -S -emit-llvm -o- %s | FileCheck %s -check-prefix=SCP-ll-linux64
// SCP-ll-linux64: attributes {{.*}} "probe-stack"="inline-asm"
// RUN: %clang -target x86_64-pc-windows-msvc -fstack-clash-protection -S -emit-llvm -o- %s 2>&1 | FileCheck %s -check-prefix=SCP-ll-win64
// SCP-ll-win64-NOT: attributes {{.*}} "probe-stack"="inline-asm"
// SCP-ll-win64: argument unused during compilation: '-fstack-clash-protection'
// RUN: %clang -target x86_64-unknown-fuchsia -fstack-clash-protection -### %s 2>&1 | FileCheck %s -check-prefix=SCP-FUCHSIA
// RUN: %clang -target aarch64-unknown-fuchsia -fstack-clash-protection -### %s 2>&1 | FileCheck %s -check-prefix=SCP-FUCHSIA
// RUN: %clang -target riscv64-unknown-fuchsia -fstack-clash-protection -### %s 2>&1 | FileCheck %s -check-prefix=SCP-FUCHSIA
// SCP-FUCHSIA: "-fstack-clash-protection"
int foo(int c) {
int r;
__asm__("sub %0, %%rsp"
:
: "rm"(c)
: "rsp");
__asm__("mov %%rsp, %0"
: "=rm"(r)::);
return r;
}
|