31 lines
689 B
C
31 lines
689 B
C
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#define STACK_REFPLUS 1
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#ifdef SLP_EVAL
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#define STACK_MAGIC 0
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#define REGS_TO_SAVE "$9", "$10", "$11", "$12", "$13", "$14", "$15", \
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"$f2", "$f3", "$f4", "$f5", "$f6", "$f7", "$f8", "$f9"
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static int
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slp_switch(void)
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{
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register int ret;
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register long *stackref, stsizediff;
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__asm__ volatile ("" : : : REGS_TO_SAVE);
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__asm__ volatile ("mov $30, %0" : "=r" (stackref) : );
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{
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SLP_SAVE_STATE(stackref, stsizediff);
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__asm__ volatile (
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"addq $30, %0, $30\n\t"
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: /* no outputs */
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: "r" (stsizediff)
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);
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SLP_RESTORE_STATE();
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}
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__asm__ volatile ("" : : : REGS_TO_SAVE);
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__asm__ volatile ("mov $31, %0" : "=r" (ret) : );
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return ret;
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}
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#endif
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