Use of $v10 register (was Re: klibc: [s390x] SIGSEGV in mksh testcase funsub-2)

retitle 943425 klibc: [s390x] setjmp/longjmp do not save/restore all registers in use # because this affects a release architecture severity 943425 serious thanks Recapping for the benefit of d-s390@l.d.o: > The code in question (where it crashes) is thus: >1607 */ >160

Debian #943425: [s390x] setjmp/longjmp do not save/restore all registers in use (was Use of $v10 register (was Re: klibc: [s390x] SIGSEGV in mksh testcase funsub-2))

Dixi quod… >So, setjmp/longjmp in klibc save f1/f3/f5/f7 (as shown on Wikipedia >https://en.wikipedia.org/wiki/Calling_convention#IBM_System/360_and_successors >“the z/Architecture ABI,[11] used in Linux” a page down), while >glibc’s save f8–f15 instead. Jessica Clarke brought out docs saying f8‥

Bug#943425: Info received (Debian #943425: [s390x] setjmp/longjmp do not save/restore all registers in use (was Use of $v10 register (was Re: klibc: [s390x] SIGSEGV in mksh testcase funsub-2)))

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