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- /*
- * Copyright (C) 2016 Andes Technology, Inc.
- * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
- */
- /* This just does a tail-call to `__sigsetjmp (ARG, 1)'.
- We cannot do it in C because it must be a tail-call, so frame-unwinding
- in setjmp doesn't clobber the state restored by longjmp. */
- #include <sysdep.h>
- ENTRY(setjmp)
- move $r1, #1
- /* Make a tail call to __sigsetjmp. */
- #ifdef PIC
- /* Initialize $r2 as $gp value. */
- sethi $r2, hi20(_GLOBAL_OFFSET_TABLE_-8)
- ori $r2, $r2, lo12(_GLOBAL_OFFSET_TABLE_-4)
- mfusr $r15, $pc
- add $r2, $r15, $r2
- ! la $r3, __sigsetjmp@PLT
- sethi $r3, hi20(HIDDEN_JUMPTARGET(__sigsetjmp)@PLT)
- ori $r3, $r3, lo12(HIDDEN_JUMPTARGET(__sigsetjmp)@PLT)
- add $r3, $r3, $r2
- jr $r3
- #else /* NOT PIC */
- la $r15, C_SYMBOL_NAME(__sigsetjmp)
- jr $r15
- #endif
- END (setjmp)
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