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Jeenu Viswambharan
authored
This patch introduces setjmp() and ongjmp() primitives to enable
standard setjmp/longjmp style execution. Both APIs parameters take a
pointer to struct jmpbuf type, which hosts CPU registers saved/restored
during jump.
As per the standard usage:
- setjmp() return 0 when a jump is setup; and a non-zero value when
returning from jump.
- The caller of setjmp() must not return, or otherwise update stack
pointer since.
Change-Id: I4af1d32e490cfa547979631b762b4cba188d0551
Signed-off-by:
Jeenu Viswambharan <jeenu.viswambharan@arm.com>
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