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Re: [ColdFire 53/63] Static chain fixes
> > * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
> > (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
> > (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
> > * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
> > (M68K_STATIC_CHAIN_REG_NAME): Likewise.
> > * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
> >
> > gcc/testsuite/
> > 200x-xx-xx Nathan Sidwell <nathan@codesourcery.com>
> >
> > * gcc.c-torture/execute/nestfunc-7.c: New.
>
> Isn't this an ABI change? If so it needs to be documented at the least
> so that users of the m68k elf port aren't caught by surprise.
I thought STATIC_CHAIN_REGNUM was an internal implementation detail.
It's a private interface between the trampoline and the nested function, and
never escapes to the outside world.
Paul