diff options
Diffstat (limited to 'mdk-stage1/dietlibc/i386/mcount.S')
| -rw-r--r-- | mdk-stage1/dietlibc/i386/mcount.S | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/i386/mcount.S b/mdk-stage1/dietlibc/i386/mcount.S new file mode 100644 index 000000000..11feed5e0 --- /dev/null +++ b/mdk-stage1/dietlibc/i386/mcount.S @@ -0,0 +1,44 @@ +/* + Copyright (C) 2001, 2002 Thomas M. Ogrisegg + + This is free software. You can redistribute and + modify it under the terms of the GNU General Public + Public License. + + mcount.S + i386 assembler implementation of mcount +*/ + +/* .section ".profile" */ +.text +.globl mcount +.type mcount,@function +mcount: +/* + save all generic registers which + might be used by __mcount, but aren't + automatically saved + */ + pushl %eax + pushl %ecx + pushl %edx + +/* push the instruction pointer of the calling function */ + pushl 0xc(%esp) + +/* push the instruction pointer of the + function that called the calling function */ + pushl 0x4(%ebp) + + call __mcount + +/* clean up stack */ + addl $0x8, %esp + +/* restore the previously saved registers */ + popl %edx + popl %ecx + popl %eax + ret + +.size mcount,.-mcount |