| // Check the -msign-return-address= option, which has a required argument to |
| // select scope. |
| // RUN: %clang --target=aarch64 -c %s -### -msign-return-address=none 2>&1 | \ |
| // RUN: FileCheck %s --check-prefix=RA-OFF --check-prefix=KEY --check-prefix=BTE-OFF --check-prefix=GCS-OFF --check-prefix=WARN |
| |
| // RUN: %clang --target=aarch64 -c %s -### -msign-return-address=non-leaf 2>&1 | \ |
| // RUN: FileCheck %s --check-prefix=RA-NON-LEAF --check-prefix=KEY-A --check-prefix=BTE-OFF --check-prefix=GCS-OFF --check-prefix=WARN |
| |
| // RUN: %clang --target=aarch64 -c %s -### -msign-return-address=all 2>&1 | \ |
| // RUN: FileCheck %s --check-prefix=RA-ALL --check-prefix=KEY-A --check-prefix=BTE-OFF --check-prefix=GCS-OFF --check-prefix=WARN |
| |
| // -mbranch-protection with standard |
| // RUN: %clang --target=aarch64 -c %s -### -mbranch-protection=standard 2>&1 | \ |
| // RUN: FileCheck %s --check-prefix=RA-NON-LEAF --check-prefix=KEY-A --check-prefix=BTE-ON --check-prefix=GCS-ON --check-prefix=WARN |
| |
| // If the -msign-return-address and -mbranch-protection are both used, the |
| // right-most one controls return address signing. |
| // RUN: %clang --target=aarch64 -c %s -### -msign-return-address=non-leaf -mbranch-protection=none 2>&1 | \ |
| // RUN: FileCheck %s --check-prefix=CONFLICT --check-prefix=WARN |
| |
| // RUN: %clang --target=aarch64 -c %s -### -mbranch-protection=pac-ret -msign-return-address=none 2>&1 | \ |
| // RUN: FileCheck %s --check-prefix=CONFLICT --check-prefix=WARN |
| |
| // RUN: not %clang --target=aarch64 -c %s -### -msign-return-address=foo 2>&1 | \ |
| // RUN: FileCheck %s --check-prefix=BAD-RA-PROTECTION --check-prefix=WARN |
| |
| // RUN: not %clang --target=aarch64 -c %s -### -mbranch-protection=bar 2>&1 | \ |
| // RUN: FileCheck %s --check-prefix=BAD-BP-PROTECTION --check-prefix=WARN |
| |
| // RUN: %clang --target=aarch64 -### -o /dev/null -mbranch-protection=standard /dev/null 2>&1 | \ |
| // RUN: FileCheck --allow-empty %s --check-prefix=LINKER-DRIVER |
| |
| // WARN-NOT: warning: ignoring '-mbranch-protection=' option because the 'aarch64' architecture does not support it [-Wbranch-protection] |
| |
| // RA-OFF: "-msign-return-address=none" |
| // RA-NON-LEAF: "-msign-return-address=non-leaf" |
| // RA-ALL: "-msign-return-address=all" |
| |
| // KEY-A: "-msign-return-address-key=a_key" |
| // KEY-NOT: "-msign-return-address-key" |
| |
| // BTE-OFF-NOT: "-mbranch-target-enforce" |
| // BTE-ON: "-mbranch-target-enforce" |
| |
| // GCS-OFF-NOT: "-mguarded-control-stack" |
| // GCS-ON: "-mguarded-control-stack" |
| |
| // CONFLICT: "-msign-return-address=none" |
| |
| // BAD-RA-PROTECTION: unsupported argument 'foo' to option '-msign-return-address=' |
| // BAD-BP-PROTECTION: unsupported argument 'bar' to option '-mbranch-protection=' |
| |
| // BAD-B-KEY-COMBINATION: unsupported argument 'b-key' to option '-mbranch-protection=' |
| // BAD-LEAF-COMBINATION: unsupported argument 'leaf' to option '-mbranch-protection=' |
| |
| // Check that the linker driver doesn't warn about -mbranch-protection=standard |
| // as an unused option. |
| // LINKER-DRIVER-NOT: warning: argument unused during compilation: '-mbranch-protection=standard' |
