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Diffstat (limited to 'libc/sysdeps/linux/i386/mcount.S')
-rw-r--r-- | libc/sysdeps/linux/i386/mcount.S | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/libc/sysdeps/linux/i386/mcount.S b/libc/sysdeps/linux/i386/mcount.S deleted file mode 100644 index 704a7b851..000000000 --- a/libc/sysdeps/linux/i386/mcount.S +++ /dev/null @@ -1,54 +0,0 @@ -/* i386-specific implemetation of profiling support. - Copyright (C) 1997, 2002 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. - - 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - - -/* We need a special version of the `mcount' function since for ix86 it - must not clobber any register. This has several reasons: - - there is a bug in gcc as of version 2.7.2.2 which prohibits the - use of profiling together with nested functions - - the ELF `fixup' function uses GCC's regparm feature - - some (future) systems might want to pass parameters in registers. */ - - .globl _mcount - .type _mcount,@function; - .align 1<<4 -_mcount: - /* Save the caller-clobbered registers. */ - pushl %eax - pushl %ecx - pushl %edx - - movl 12(%esp), %edx - movl 4(%ebp), %eax - - /* No need to access the PLT or GOT, __mcount_internal is an - internal function and we can make a relative call. */ - call __mcount_internal - - /* Pop the saved registers. Please note that `mcount' has no - return value. */ - popl %edx - popl %ecx - popl %eax - ret - .size _mcount,.-_mcount; - -#undef mcount -.weak mcount ; mcount = _mcount |