The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/i386/linux/linux_locore.s

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    1 /* $FreeBSD: releng/5.3/sys/i386/linux/linux_locore.s 73011 2001-02-25 06:29:04Z jake $ */
    2 
    3 #include "linux_assym.h"                        /* system definitions */
    4 #include <machine/asmacros.h>                   /* miscellaneous asm macros */
    5 
    6 #include <i386/linux/linux_syscall.h>           /* system call numbers */
    7 
    8 NON_GPROF_ENTRY(linux_sigcode)
    9         call    *LINUX_SIGF_HANDLER(%esp)
   10         leal    LINUX_SIGF_SC(%esp),%ebx        /* linux scp */
   11         movl    LINUX_SC_GS(%ebx),%gs
   12         movl    %esp, %ebx                      /* pass sigframe */
   13         push    %eax                            /* fake ret addr */
   14         movl    $LINUX_SYS_linux_sigreturn,%eax /* linux_sigreturn() */
   15         int     $0x80                           /* enter kernel with args */
   16 0:      jmp     0b
   17         ALIGN_TEXT
   18 /* XXXXX */
   19 linux_rt_sigcode:
   20         call    *LINUX_RT_SIGF_HANDLER(%esp)
   21         leal    LINUX_RT_SIGF_UC(%esp),%ebx     /* linux ucp */
   22         movl    LINUX_SC_GS(%ebx),%gs
   23         push    %eax                            /* fake ret addr */
   24         movl    $LINUX_SYS_linux_rt_sigreturn,%eax   /* linux_rt_sigreturn() */
   25         int     $0x80                           /* enter kernel with args */
   26 0:      jmp     0b
   27         ALIGN_TEXT
   28 /* XXXXX */
   29 linux_esigcode:
   30 
   31         .data
   32         .globl  linux_szsigcode, linux_sznonrtsigcode
   33 linux_szsigcode:
   34         .long   linux_esigcode-linux_sigcode
   35 linux_sznonrtsigcode:
   36         .long   linux_rt_sigcode-linux_sigcode

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