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Viewing changes to arch/x86/vdso/vdso32/int80.S

  • Committer: Package Import Robot
  • Author(s): Alessio Igor Bogani
  • Date: 2011-10-26 11:13:05 UTC
  • Revision ID: package-import@ubuntu.com-20111026111305-tz023xykf0i6eosh
Tags: upstream-3.2.0
Import upstream version 3.2.0

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arch/x86/vdso/vdso32/int80.S
 
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/*
 
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 * Code for the vDSO.  This version uses the old int $0x80 method.
 
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 *
 
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 * First get the common code for the sigreturn entry points.
 
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 * This must come first.
 
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 */
 
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#include "sigreturn.S"
 
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        .text
 
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        .globl __kernel_vsyscall
 
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        .type __kernel_vsyscall,@function
 
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        ALIGN
 
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__kernel_vsyscall:
 
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.LSTART_vsyscall:
 
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        int $0x80
 
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        ret
 
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.LEND_vsyscall:
 
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        .size __kernel_vsyscall,.-.LSTART_vsyscall
 
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        .previous
 
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        .section .eh_frame,"a",@progbits
 
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.LSTARTFRAMEDLSI:
 
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        .long .LENDCIEDLSI-.LSTARTCIEDLSI
 
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.LSTARTCIEDLSI:
 
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        .long 0                 /* CIE ID */
 
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        .byte 1                 /* Version number */
 
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        .string "zR"            /* NUL-terminated augmentation string */
 
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        .uleb128 1              /* Code alignment factor */
 
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        .sleb128 -4             /* Data alignment factor */
 
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        .byte 8                 /* Return address register column */
 
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        .uleb128 1              /* Augmentation value length */
 
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        .byte 0x1b              /* DW_EH_PE_pcrel|DW_EH_PE_sdata4. */
 
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        .byte 0x0c              /* DW_CFA_def_cfa */
 
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        .uleb128 4
 
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        .uleb128 4
 
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        .byte 0x88              /* DW_CFA_offset, column 0x8 */
 
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        .uleb128 1
 
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        .align 4
 
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.LENDCIEDLSI:
 
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        .long .LENDFDEDLSI-.LSTARTFDEDLSI /* Length FDE */
 
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.LSTARTFDEDLSI:
 
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        .long .LSTARTFDEDLSI-.LSTARTFRAMEDLSI /* CIE pointer */
 
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        .long .LSTART_vsyscall-.        /* PC-relative start address */
 
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        .long .LEND_vsyscall-.LSTART_vsyscall
 
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        .uleb128 0
 
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        .align 4
 
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.LENDFDEDLSI:
 
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        .previous
 
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        /*
 
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         * Pad out the segment to match the size of the sysenter.S version.
 
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         */
 
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VDSO32_vsyscall_eh_frame_size = 0x40
 
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        .section .data,"aw",@progbits
 
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        .space VDSO32_vsyscall_eh_frame_size-(.LENDFDEDLSI-.LSTARTFRAMEDLSI), 0
 
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        .previous