You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
34 lines
1.8 KiB
34 lines
1.8 KiB
4 months ago
|
// 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
|
||
|
|
// 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'
|
||
|
|
|
||
|
|
int foo(int c) {
|
||
|
|
int r;
|
||
|
|
__asm__("sub %0, %%rsp"
|
||
|
|
:
|
||
|
|
: "rm"(c)
|
||
|
|
: "rsp");
|
||
|
|
__asm__("mov %%rsp, %0"
|
||
|
|
: "=rm"(r)::);
|
||
|
|
return r;
|
||
|
|
}
|