diff options
Diffstat (limited to 'include/accel/tcg/getpc.h')
| -rw-r--r-- | include/accel/tcg/getpc.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/accel/tcg/getpc.h b/include/accel/tcg/getpc.h new file mode 100644 index 0000000000..8a97ce34e7 --- /dev/null +++ b/include/accel/tcg/getpc.h @@ -0,0 +1,24 @@ +/* + * Get host pc for helper unwinding. + * + * Copyright (c) 2003 Fabrice Bellard + * SPDX-License-Identifier: LGPL-2.1-or-later + */ + +#ifndef ACCEL_TCG_GETPC_H +#define ACCEL_TCG_GETPC_H + +#ifndef CONFIG_TCG +#error Can only include this header with TCG +#endif + +/* GETPC is the true target of the return instruction that we'll execute. */ +#ifdef CONFIG_TCG_INTERPRETER +extern __thread uintptr_t tci_tb_ptr; +# define GETPC() tci_tb_ptr +#else +# define GETPC() \ + ((uintptr_t)__builtin_extract_return_addr(__builtin_return_address(0))) +#endif + +#endif /* ACCEL_TCG_GETPC_H */ |