On 6/22/26 8:47 AM, Jeffrey Law wrote: > On 6/21/2026 8:59 PM, Peter Bergner wrote: >> >> I downloaded musl, newlib and >> picolibc and their riscv setjmp functions do save all non-volatile >> registers, > > I was thinking more along the lines of the changes which allow wholesale > replacement of the library that went in for picolibc IIRC. But I was > mistaken, those changes allow adding bits after the C library, not > wholesale replacement of the library. So ISTM the only worry would be > if setjmp was weak and could then be overridden by a routine in that > additional library. I don't think this is worth worrying about. > > So the original patch is fine by me.
So keep the change limited to GLIBC only as in the original patch, even though we now know that musl, newlib, and picolibc do save & restore the non-volatile registers like GLIBC does? I can do that if you prefer. Peter
