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#
# arch/s390/setjmp.S
#
# setjmp/longjmp for the s390 architecture
#
.text
.align 4
.globl setjmp
.type setjmp, @function
#ifndef __s390x__
setjmp:
stm %r6,%r15,0(%r2) # save all general registers
std %f4,40(%r2) # save fp registers f4 and f6
std %f6,48(%r2)
lhi %r2,0 # return 0
br %r14
.size setjmp,.-setjmp
.text
.align 4
.globl longjmp
.type longjmp, @function
longjmp:
lr %r1,%r2 # jmp_buf
lr %r2,%r3 # return value
ld %f6,48(%r1) # restore all saved registers
ld %f4,40(%r1)
lm %r6,%r15,0(%r1)
br %r14 # return to restored address
.size longjmp,.-longjmp
#else
setjmp:
stmg %r6,%r15,0(%r2) # save all general registers
std %f8,80(%r2) # save fp registers f8 to f15
std %f9,88(%r2)
std %f10,96(%r2)
std %f11,104(%r2)
std %f12,112(%r2)
std %f13,120(%r2)
std %f14,128(%r2)
std %f15,136(%r2)
lghi %r2,0 # return 0
br %r14
.size setjmp,.-setjmp
.text
.align 4
.globl longjmp
.type longjmp, @function
longjmp:
lgr %r1,%r2 # jmp_buf
lgr %r2,%r3 # return value
ld %f15,136(%r1) # restore all saved registers
ld %f14,128(%r1)
ld %f13,120(%r1)
ld %f12,112(%r1)
ld %f11,104(%r1)
ld %f10,96(%r1)
ld %f9,88(%r1)
ld %f8,80(%r1)
lmg %r6,%r15,0(%r1)
br %r14 # return to restored address
.size longjmp,.-longjmp
#endif
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