diff options
Diffstat (limited to 'ports/sysdeps/aarch64/machine-gmon.h')
| -rw-r--r-- | ports/sysdeps/aarch64/machine-gmon.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/ports/sysdeps/aarch64/machine-gmon.h b/ports/sysdeps/aarch64/machine-gmon.h new file mode 100644 index 0000000000..4425965a48 --- /dev/null +++ b/ports/sysdeps/aarch64/machine-gmon.h @@ -0,0 +1,35 @@ +/* AArch64 definitions for profiling support. + Copyright (C) 1996-2013 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +/* GCC version 2 gives us a perfect magical function to get + just the information we need: + void *__builtin_return_address (unsigned int N) + returns the return address of the frame N frames up. */ + +#include <sysdep.h> + +static void mcount_internal (u_long frompc, u_long selfpc); + +#define _MCOUNT_DECL(frompc, selfpc) \ +static inline void mcount_internal (u_long frompc, u_long selfpc) + +#define MCOUNT \ +void __mcount (void) \ +{ \ + mcount_internal ((u_long) RETURN_ADDRESS (1), (u_long) RETURN_ADDRESS (0)); \ +} |