diff options
Diffstat (limited to 'sysdeps/alpha/_mcount.S')
| -rw-r--r-- | sysdeps/alpha/_mcount.S | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/sysdeps/alpha/_mcount.S b/sysdeps/alpha/_mcount.S index 6c4af3f233..f4c234db38 100644 --- a/sysdeps/alpha/_mcount.S +++ b/sysdeps/alpha/_mcount.S @@ -1,37 +1,37 @@ /* Machine-specific calling sequence for `mcount' profiling function. alpha -Copyright (C) 1995, 1996 Free Software Foundation, Inc. -Contributed by David Mosberger (davidm@cs.arizona.edu). -This file is part of the GNU C Library. + Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. + Contributed by David Mosberger (davidm@cs.arizona.edu). + 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 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. + 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. */ + 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ /* Assembly stub to invoke _mcount(). Compiler generated code calls -this stub after executing a function's prologue and without saving any -registers. It is therefore necessary to preserve a0..a5 as they may -contain function arguments. To work correctly with frame- less -functions, it is also necessary to preserve ra. Finally, division -routines are invoked with a special calling convention and the -compiler treats those calls as if they were instructions. In -particular, it doesn't save any of the temporary registers (caller -saved registers). It is therefore necessary to preserve all -caller-saved registers as well - -Upon entering _mcount, register $at holds the return address and ra -holds the return address of the function's caller (selfpc and frompc, -respectively in gmon.c language...). */ + this stub after executing a function's prologue and without saving any + registers. It is therefore necessary to preserve a0..a5 as they may + contain function arguments. To work correctly with frame- less + functions, it is also necessary to preserve ra. Finally, division + routines are invoked with a special calling convention and the + compiler treats those calls as if they were instructions. In + particular, it doesn't save any of the temporary registers (caller + saved registers). It is therefore necessary to preserve all + caller-saved registers as well + + Upon entering _mcount, register $at holds the return address and ra + holds the return address of the function's caller (selfpc and frompc, + respectively in gmon.c language...). */ #include <sysdep.h> |