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

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Line No. Rev Author Line
1 148 jeremybenn
# setjmp/longjmp for mt.
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#
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# The jmpbuf looks like this:
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#
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# Register      jmpbuf offset
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# R0            ---             --
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# R1            0x4              4
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# R2            0x8              8
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# R3            0xc             12
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# R4            0x10            16
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# R5            0x14            20
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# R6            0x18            24
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# R7            0x1c            28
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# R8            0x20            32
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# R9            ----            --
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# R10           ----            --
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# R11           0x2c            44
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# R12           0x30            48
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# R13           0x34            52
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# R14           0x38            56
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# R15           0x3c            60
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#
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# R1 contains the pointer to jmpbuf
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        .text
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        .global setjmp
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        .type   setjmp ,@function
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setjmp:
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        stw     r1, r1, #4
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        or      r0, r0, r0
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        stw     r2, r1, #8
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        or      r0, r0, r0
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        stw     r3, r1, #12
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        or      r0, r0, r0
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        stw     r4, r1, #16
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        or      r0, r0, r0
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        stw     r5, r1, #20
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        or      r0, r0, r0
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        stw     r6, r1, #24
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        or      r0, r0, r0
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        stw     r7, r1, #28
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        or      r0, r0, r0
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        stw     r8, r1, #32
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        or      r0, r0, r0
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        stw     r11, r1, #44
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        or      r0, r0, r0
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        stw     r12, r1, #48
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        or      r0, r0, r0
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        stw     r13, r1, #52
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        or      r0, r0, r0
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        stw     r14, r1, #56
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        or      r0, r0, r0
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        stw     r15, r1, #60
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        jal     r0, r14
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        addi    r11, r0, #0
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.Lend1:
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        .size   setjmp,.Lend1-setjmp
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        .global longjmp
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        .type   longjmp,@function
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longjmp:
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        or      r9, r1, r1
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        or      r11, r2, r2
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        ldw     r1, r1, #4
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        or      r0, r0, r0
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        ldw     r2, r1, #8
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        or      r0, r0, r0
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        ldw     r3, r1, #12
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        or      r0, r0, r0
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        ldw     r4, r1, #16
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        or      r0, r0, r0
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        ldw     r5, r1, #20
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        or      r0, r0, r0
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        ldw     r6, r1, #24
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        or      r0, r0, r0
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        ldw     r7, r1, #28
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        or      r0, r0, r0
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        ldw     r8, r1, #32
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        or      r0, r0, r0
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        ldw     r12, r1, #48
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        or      r0, r0, r0
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        ldw     r13, r1, #52
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        or      r0, r0, r0
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        ldw     r14, r1, #56
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        or      r0, r0, r0
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        ldw     r15, r1, #60
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        brne    r0, r11, .L01
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        or      r0, r0, r0
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        addi    r11, r0, #1
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.L01:
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        jal     r0, r14
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        or      r0, r0, r0
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.Lend2:
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        .size   longjmp,.Lend2-longjmp2

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