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For mips n32/n64 explicitly save the GP reg on the stack, and
restore it _after_ the call to __errno(). Fixes sending the
__errno() call off to nowhereland when this code is included
in another libr

For mips n32/n64 explicitly save the GP reg on the stack, and
restore it _after_ the call to __errno(). Fixes sending the
__errno() call off to nowhereland when this code is included
in another library (eg __posix_cerror() in libposix). Failure
picked up by the ATF lib/libposix/posix1/t_rename test.

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Pass PICFLAGS down to cc-as-as and use __PIC__ to decide if it is small
vs big PIC mode. Retire -DPIC and -DBIGPIC.

Fix pasto.

Make __cerror protected to restore ABI leak in older libc versions,
where e.g. librt referenced the copy from libc. This still allows libc
to use PC-relative jumps.

Make __cerror hidden.

Pullup fixes from matt-nb5-mips64.
This makes setjmp/longjmp work again.

Merge from matt-nb5-mips64.

Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22280, verified by myself.

looks like nobody ever seriously tried the _REENTRANT version of this
code (which, uh, seems the default for a fresh build)... it wasn't
setting up v1 properly (the instruction to set up v1 was afte

looks like nobody ever seriously tried the _REENTRANT version of this
code (which, uh, seems the default for a fresh build)... it wasn't
setting up v1 properly (the instruction to set up v1 was after the
return jump, in "reorder" code... i.e. after the end of the function).
That would break error returns from 64-bit syscalls (e.g. checks
in dd and who knows what else) to see if input or output are pipes.
It looks like the non-_REENTRANT version was broken (on the nathanw-sa
branch) in rev 1.9.2.1 and fixed in 1.9.2.2, but the _REENTRANT version
was never fixed, and the broken bits were merged back on to the trunk.

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Merge the nathanw_sa branch.

ABICALLS -> __ABICALLS__

Remove all the .abicalls assembler directives - "SYS.h" already has that.

Make __cerror be LEAF_NOPROFILE. I relies upon having v0 and v1 be unchanged
from the caller. From Ethan Solomita <ethan@geocast.com>

* On architectures using ELF, and conditionally on those in transition, rename
_ASM_LABEL(cerror) and _ASM_LABEL(curbrk) to _C_LABEL(__cerror) and
_C_LABEL(__curbrk) (or their respective architecture

* On architectures using ELF, and conditionally on those in transition, rename
_ASM_LABEL(cerror) and _ASM_LABEL(curbrk) to _C_LABEL(__cerror) and
_C_LABEL(__curbrk) (or their respective architecture-specific equivalents) to
avoid possible name clashes with identifiers used in user applications.
* Do the same for minbrk on all architectures to avoid a GCC-specific (and
on ELF architectures effectively useless) symbol reference renaming in MI code.

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From Arne Juul <arnej@math.ntnu.no>:
Explicilty reload the mips-ABIcall GOT/$gp in cerror().
cerror() gets called from outside libc (e.g., from libposix's rename(),
and if we don't load $t9,

From Arne Juul <arnej@math.ntnu.no>:
Explicilty reload the mips-ABIcall GOT/$gp in cerror().
cerror() gets called from outside libc (e.g., from libposix's rename(),
and if we don't load $t9, cerror() makes wild references using
the libposix $gp and coredumps.

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* Add Mips ABI changes for ELf shared library support.
From OpenBSD, patched into NetBSD by <bouyer@ensta.fr>.
* Include generic NetBSD/mips <mips/*.h> files, instead of old Sprite names.

Add NetBSD RCSid headers, and change assembly-code LIBC_SCCS id tag string
from "Id:" to "NetBSD:".

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libc support for mips. libkern hooks are disabled