Mach-O: problems of parsing HPPA and SPARC sub-binaries of the universal binary

[XVilka]

ℤ file 2048-NeXTSTEP
2048-NeXTSTEP: Mach-O universal binary with 4 architectures: [m68k:
- Mach-O executable m68k] [i386:
- Mach-O executable i386] [hppa 7100:
- Mach-O executable hppa 7100] [SPARC:
- Mach-O executable SPARC]
2048-NeXTSTEP (for architecture m68k):	Mach-O executable m68k
2048-NeXTSTEP (for architecture i386):	Mach-O executable i386
2048-NeXTSTEP (for architecture hppa):	Mach-O executable hppa 7100
2048-NeXTSTEP (for architecture sparc):	Mach-O executable SPARC
ℤ rizin 2048-NeXTSTEP
ERROR: unknown thread state structure
ERROR: mach0: Cannot parse thread
 -- Use '-e bin.strings=false' to disable automatic string search when loading the binary.
[0x00002000]> i
fd       3
file     2048-NeXTSTEP
size     0x30000
humansz  192K
mode     r-x
format   mach0
iorw     false
block    0x100
packet   xtr.fatmach0
type     Executable file
arch     arm
cpu      N/A
baddr    0x00002000
binsz    0x0000e000
bintype  mach0
bits     64
class    MACH0
compiler N/A
dbg_file N/A
endian   LE
hdr.csum N/A
guid     N/A
intrp    N/A
laddr    0x00000000
lang     c
machine  mc68030
maxopsz  4
minopsz  4
os       darwin
cc       N/A
pcalign  4
rpath    N/A
subsys   unknown
stripped false
crypto   false
havecode true
va       true
sanitiz  false
static   true
linenum  false
lsyms    false
canary   false
PIE      false
RELROCS  false
NX       false
[0x00002000]>

rz-bin -i -f hppa 2048-NeXTSTEP
ERROR: unknown thread state structure
ERROR: mach0: Cannot parse thread
WARNING: rz_bin_file_find_by_arch_bits: assertion 'bin && arch' failed (line 157)
WARNING: rz_bin_file_set_obj: assertion 'bin && bf' failed (line 253)
[Archs]
offset     size  arch       machine
-------------------------------------
0x00002000 49152 mc680x0_32 mc68030
0x0000e000 40960 x86_32     386
0x00018000 49152 hppa_32    hppa7100
0x00024000 49152 sparc_32   all

[Imports]
nth vaddr bind type lib name

If you extract subbins with rz-bin -x command, then open them individually, you will see that HPPA and SPARC binaries are poorly parsed/analyzed

2048-NeXTSTEP.zip