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-rw-r--r--contrib/syslinux/syslinux-4.03/com32/lib/sys/entry.S118
1 files changed, 0 insertions, 118 deletions
diff --git a/contrib/syslinux/syslinux-4.03/com32/lib/sys/entry.S b/contrib/syslinux/syslinux-4.03/com32/lib/sys/entry.S
deleted file mode 100644
index 7bfde8b..0000000
--- a/contrib/syslinux/syslinux-4.03/com32/lib/sys/entry.S
+++ /dev/null
@@ -1,118 +0,0 @@
-/* -----------------------------------------------------------------------
- *
- * Copyright 2003-2008 H. Peter Anvin - All Rights Reserved
- *
- * Permission is hereby granted, free of charge, to any person
- * obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom
- * the Software is furnished to do so, subject to the following
- * conditions:
- *
- * The above copyright notice and this permission notice shall
- * be included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * ----------------------------------------------------------------------- */
-
-/*
- * COM32 start up code - must be linked first in the binary
- */
-
-/* Number of arguments in our version of the entry structure */
-#define COM32_ARGS 9
-
- .section ".init","ax"
- .globl _start
- .type _start, @function
-_start:
- /* This first instruction acts as COM32R magic number */
- movl $0x21cd4cfe,%eax
-
- /* Upwards string operations */
- cld
-
- /* Find our own location */
- call 1f
-1: popl %ebx
- addl $_GLOBAL_OFFSET_TABLE_ + (. - 1b), %ebx
-
- /* Process relocations (which overlay the .bss segment) */
- leal _edata@GOTOFF(%ebx),%esi
- leal _start@GOTOFF(%ebx),%edx
-2: lodsl
- andl %eax,%eax
- jz 3f
- addl %edx,(%eax,%edx)
- jmp 2b
-3:
- /* Relocate the GOT (is this right?) */
- leal __got_start@GOTOFF(%ebx),%esi
- leal __got_end@GOTOFF(%ebx),%edi
-4:
- addl %edx,(%esi)
- addl $4,%esi
- cmpl %edi,%esi
- jb 4b
-
- /* Zero the .bss segment */
- xorl %eax,%eax
- leal __bss_start@GOTOFF(%ebx),%edi
- leal _end+3@GOTOFF(%ebx),%ecx
- subl %edi,%ecx
- shrl $2,%ecx
- rep ; stosl
-
- /* Copy COM32 invocation parameters */
- leal 4(%esp),%esi # Argument list
- leal __com32@GOTOFF(%ebx),%edi
- movl $(COM32_ARGS),%ecx
- movl %esp,-4(%edi) # Save the initial stack ptr
- cmpl (%esi),%ecx
- jbe 5f
- movl (%esi),%ecx
-5: inc %ecx # Copy the argument count, too
- rep ; movsl
-
- /* Parse the command line (assumes REGPARM) */
- movl __com32+4@GOTOFF(%ebx),%edx # Command line
- pushl %edx # Make space for argv
- movl %esp,%eax
- call __parse_argv
- pushl %eax # Save argc
-
- /* Look for library initialization functions */
- leal __ctors_start@GOTOFF(%ebx),%esi
- leal __ctors_end@GOTOFF(%ebx),%edi
-6:
- cmpl %edi,%esi
- jae 7f
- call *(%esi)
- addl $4,%esi
- jmp 6b
-/*
- * Actually run main. This assumes REGPARM is used!!!!
- */
-7:
- popl %eax # argc
- popl %edx # argv
- call main
- call *__exit_handler@GOTOFF(%ebx)
- hlt
- .size _start, .-_start
-
- .bss
- .globl __entry_esp
-__entry_esp: .space 4
- .globl __com32
-__com32: .space 4*(COM32_ARGS+1)