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[/] [openrisc/] [trunk/] [gnu-old/] [newlib-1.17.0/] [newlib/] [libc/] [machine/] [m88k/] [setjmp.S] - Blame information for rev 855

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Line No. Rev Author Line
1 148 jeremybenn
/* This is a simple version of setjmp and longjmp.
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   Ian Lance Taylor, Cygnus Support, 15 July 1993.  */
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/* We need to save the address of the return instruction, which is in
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   r1, as well as general register r14 through r25.  If we are
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   compiling for the 88110 with the extended register file, we also
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   need to save registers x22 through x29.  The jmp_buf should be 52
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   bytes long in the one case, 84 bytes in the other.  */
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/* int setjmp (jmp_buf);  */
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        globl   _setjmp
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_setjmp:
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        st      r1,r2,0
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        st.d    r14,r2,4
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        st.d    r16,r2,12
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        st.d    r18,r2,20
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        st.d    r20,r2,28
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        st.d    r22,r2,36
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        st.d    r24,r2,44
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#ifdef __m88110__
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        /* These instructions are just a guess, and gas doesn't
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           support them anyhow.  */
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        st.d    x22,r2,52
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        st.d    x24,r2,60
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        st.d    x26,r2,68
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        st.d    x28,r2,76
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#endif
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        jmp     r1
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        global  _longjmp
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_longjmp:
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        ld      r1,r2,0
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        ld.d    r14,r2,4
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        ld.d    r16,r2,12
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        ld.d    r18,r2,20
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        ld.d    r20,r2,28
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        ld.d    r22,r2,36
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        ld.d    r24,r2,44
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#ifdef __m88110__
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        /* These instructions are just a guess, and gas doesn't
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           support them anyhow.  */
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        ld.d    x22,r2,52
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        ld.d    x24,r2,60
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        ld.d    x26,r2,68
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        ld.d    x28,r2,76
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#endif
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        jmp     r1

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