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[/] [openrisc/] [trunk/] [gnu-old/] [newlib-1.17.0/] [newlib/] [libc/] [machine/] [lm32/] [setjmp.S] - Blame information for rev 862

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Line No. Rev Author Line
1 148 jeremybenn 
/*
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 * setjmp/longjmp for LatticeMico32.
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 * Contributed by Jon Beniston
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 * notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 * notice, this list of conditions and the following disclaimer in the
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 * documentation and/or other materials provided with the distribution.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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        .section        .text
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        .align  4
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        .globl  setjmp
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        .type   setjmp,@function
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        .globl  longjmp
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        .type   longjmp,@function
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/* setjmp: save all callee saves into jmp_buf
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   r1 - Address of jmp_buf
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*/
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setjmp:
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        sw      (r1+0), r11
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        sw      (r1+4), r12
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        sw      (r1+8), r13
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        sw      (r1+12), r14
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        sw      (r1+16), r15
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        sw      (r1+20), r16
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        sw      (r1+24), r17
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        sw      (r1+28), r18
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        sw      (r1+32), r19
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        sw      (r1+36), r20
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        sw      (r1+40), r21
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        sw      (r1+44), r22
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        sw      (r1+48), r23
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        sw      (r1+52), r24
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        sw      (r1+56), r25
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        sw      (r1+60), gp
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        sw      (r1+64), fp
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        sw      (r1+68), sp
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        sw      (r1+72), ra
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        mvi     r1, 0
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        ret
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/* longjmp: restore all callee saves from jmp_buf
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   r1 - Address of jmb_buf
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   r2 - Value to return with
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*/
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        .global     longjmp
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        .type       longjmp,@function
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        .align      4
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longjmp:
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        lw      r11, (r1+0)
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        lw      r12, (r1+4)
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        lw      r13, (r1+8)
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        lw      r14, (r1+12)
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        lw      r15, (r1+16)
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        lw      r16, (r1+20)
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        lw      r17, (r1+24)
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        lw      r18, (r1+28)
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        lw      r19, (r1+32)
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        lw      r20, (r1+36)
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        lw      r21, (r1+40)
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        lw      r22, (r1+44)
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        lw      r23, (r1+48)
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        lw      r24, (r1+52)
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        lw      r25, (r1+56)
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        lw      gp, (r1+60)
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        lw      fp, (r1+64)
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        lw      sp, (r1+68)
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        lw      ra, (r1+72)
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        mv      r1, r2
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        ret
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