12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364 |
- /*
- * this is the internal transfer function.
- *
- * HISTORY
- * 20-Sep-14 Matt Madison <madison@bliss-m.org>
- * Re-code the saving of the gp register for MIPS64.
- * 05-Jan-08 Thiemo Seufer <ths@debian.org>
- * Ported from ppc.
- */
- #define STACK_REFPLUS 1
- #ifdef SLP_EVAL
- #define STACK_MAGIC 0
- #define REGS_TO_SAVE "$16", "$17", "$18", "$19", "$20", "$21", "$22", \
- "$23", "$30"
- static int
- slp_switch(void)
- {
- register int err;
- register int *stackref, stsizediff;
- #ifdef __mips64
- uint64_t gpsave;
- #endif
- __asm__ __volatile__ ("" : : : REGS_TO_SAVE);
- #ifdef __mips64
- __asm__ __volatile__ ("sd $28,%0" : "=m" (gpsave) : : );
- #endif
- __asm__ ("move %0, $29" : "=r" (stackref) : );
- {
- SLP_SAVE_STATE(stackref, stsizediff);
- __asm__ __volatile__ (
- #ifdef __mips64
- "daddu $29, %0\n"
- #else
- "addu $29, %0\n"
- #endif
- : /* no outputs */
- : "r" (stsizediff)
- );
- SLP_RESTORE_STATE();
- }
- #ifdef __mips64
- __asm__ __volatile__ ("ld $28,%0" : : "m" (gpsave) : );
- #endif
- __asm__ __volatile__ ("" : : : REGS_TO_SAVE);
- __asm__ __volatile__ ("move %0, $0" : "=r" (err));
- return err;
- }
- #endif
- /*
- * further self-processing support
- */
- /*
- * if you want to add self-inspection tools, place them
- * here. See the x86_msvc for the necessary defines.
- * These features are highly experimental und not
- * essential yet.
- */
|