diff options
Diffstat (limited to 'sysdeps/stub')
| -rw-r--r-- | sysdeps/stub/machine-gmon.h | 28 | ||||
| -rw-r--r-- | sysdeps/stub/profil.c | 40 |
2 files changed, 68 insertions, 0 deletions
diff --git a/sysdeps/stub/machine-gmon.h b/sysdeps/stub/machine-gmon.h new file mode 100644 index 0000000000..a6edbc062d --- /dev/null +++ b/sysdeps/stub/machine-gmon.h @@ -0,0 +1,28 @@ +/* Machine-specific calling sequence for `mcount' profiling function. Stub +Copyright (C) 1995 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 Library General Public License as +published by the Free Software Foundation; either version 2 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#define _MCOUNT_DECL static inline void _mcount + +/* Call _mcount with our the return PC for our caller, + and the return PC our caller will return to. */ +#define MCOUNT \ +void mcount (u_long arg) \ +{ \ + _mcount (caller return PC, my return PC); \ +} diff --git a/sysdeps/stub/profil.c b/sysdeps/stub/profil.c new file mode 100644 index 0000000000..ab8e1d4ed6 --- /dev/null +++ b/sysdeps/stub/profil.c @@ -0,0 +1,40 @@ +/* Low-level statistical profiling support function. Stub version. +Copyright (C) 1995 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 Library General Public License as +published by the Free Software Foundation; either version 2 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <sys/types.h> +#include <unistd.h> +#include <errno.h> + +/* Enable statistical profiling, writing samples of the PC into at most + SIZE bytes of SAMPLE_BUFFER; every processor clock tick while profiling + is enabled, the system examines the user PC and increments + SAMPLE_BUFFER[((PC - OFFSET) / 2) * SCALE / 65536]. If SCALE is zero, + disable profiling. Returns zero on success, -1 on error. */ + +int +profil (u_short *sample_buffer, size_t size, size_t offset, u_int scale) +{ + if (scale == 0) + /* Disable profiling. */ + return 0; + + errno = ENOSYS; + return -1; +} +stub_warning (profil) |