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The trap frame allocation wrappers occasionally call the garbage
collector, even though built-in functions are not supposed to.
On non-{x86,amd64} platforms, HiPE was optimising the BIF wrapper
interface on the basis that BIFs do not GC. So, when
hipe_reserve_beam_trap_frame called the garbage collector, the state in
the PCB was stale and corruption happened.
Now, these particular BIFs are reclassified as GC BIFs.
Unfortunately, in order to do that we needed to introduce a
gc_bif_interface_3 macro in every hipe_$ARCH_bifs.m4 file.
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This fixes arity 4 BIF support in HiPE, following its introduction
on master (OTP 18) via the nox/ets-update_counter-4 merge.
- define standard_bif_interface_4, nbif_4_gc_after_bif, and
nbif_4_simple_exception on ARM: unbreaks the build on ARM
- remove bogus stack re-alignment from standard_bif_interface_4
on AMD64: for 4-arg BIFs the stack is already aligned, and the
code would misalign the C stack which violates the ABI and may
cause alignment faults in vectorized code
- the nbif_4_simple_exception OPD name on PPC64 was incorrectly
using the nbif_3_simple_exception OPD name: this would have
caused a multiple definition error in the assembler or linker
In addition there are a few cleanups:
- fix standard_bif_interface_N comment on x86
- fix standard_bif_interface_4 comment on SPARC
- separate nbif_N_simple_exception blocks by empty lines on PPC,
like on ARM, to clearly show which things belong together
- fix standard_bif_interface_N comment on ARM
- fix standard_bif_interface_4 on AMD64 to match the indentation
and spacing conventions of the rest of that file
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and reduce the probability of macro name collisions
Catalyst: ppc macro "r0" conflicting with local variable in external.c
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Previously done for ppc in c469d8ce14e9544a297d9af48c9da43137122d9a
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Add hipe_debug_bif_wrapper() as a wrapper for every BIF
called by native code.
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x86 and amd64: Push BIF__ARGS array on C-stack.
ppc, sparc and arm: Write BIF__ARGS array to P->def_arg_reg[]
Just the simplest solution with limited assembler knowledge,
probably room for improvements.
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No semantic change.
Just easier to debug when jumps are spelled out
and not obscured by yet another layer of macros.
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