33 lines
580 B
ArmAsm
33 lines
580 B
ArmAsm
#
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# arch/s390/setjmp.S
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#
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# setjmp/longjmp for the s390 architecture
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#
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.text
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.align 4
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.globl setjmp
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.type setjmp, @function
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setjmp:
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stm %r6,%r15,0(%r2) # save all general registers
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std %f4,40(%r2) # save fp registers f4 and f6
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std %f6,48(%r2)
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lhi %r2,0 # return 0
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br %r14
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.size setjmp,.-setjmp
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.text
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.align 4
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.globl longjmp
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.type longjmp, @function
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longjmp:
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lr %r1,%r2 # jmp_buf
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lr %r2,%r3 # return value
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ld %f6,48(%r1) # restore all saved registers
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ld %f4,40(%r1)
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lm %r6,%r15,0(%r1)
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br %r14 # return to restored address
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.size longjmp,.-longjmp
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