radare2 output on Raspberry Pi

gef> r hello_pi
Starting program: /usr/bin/r2 hello_pi
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/arm-linux-gnueabihf/libthread_db.so.1".
-- radare2 is like windows 7 but even better.
[0x000102f4]> aa
[ ] Analyze all flags starting with sym. and entry0 (aa)
Program received signal SIGSEGV, Segmentation fault.
strlen () at ../ports/sysdeps/arm/armv6/strlen.S:26
26      ../ports/sysdeps/arm/armv6/strlen.S: No such file or directory.
[ Legend: Modified register | Code | Heap | Stack | String ]
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ registers ----
$r0  : 0x4
$r1  : 0x76db5380 -> 0x00000000
$r2  : 0x76cdec88 -> <vfprintf+12320> ldr r6,  [r11,  #-1144]   ; 0x478
$r3  : 0x76cdec6c -> <vfprintf+12292> ldr r12,  [r11,  #-1124]  ; 0x464
$r4  : 0x7effd940 -> 0xfbad8001
$r5  : 0x7599600c -> "%s,0x%llx,%s,%c,0xffffffff,&,=[%d]"
$r6  : 0xffffffff
$r7  : 0x0
$r8  : 0x7599600c -> "%s,0x%llx,%s,%c,0xffffffff,&,=[%d]"
$r9  : 0x76dd9000 -> 0x0013cf20
$r10 : 0x10
$r11 : 0x7effd934 -> 0x76d0475c -> <vsnprintf+136> ldr r3,  [sp,  #36]  ; 0x24
$r12 : 0x0
$sp  : 0x7effd400 -> 0x00000000
$lr  : 0x76cde730 -> <vfprintf+10952> mov r6,  #0
$pc  : 0x76d14630 -> <strlen+0> ldrb r2,  [r0]
$cpsr: [thumb fast interrupt overflow CARRY ZERO negative]
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- stack ----
0x7effd400|+0x0000: 0x00000000  <-$sp
0x7effd404|+0x0004: 0x76e7c9fc -> 0x00000000
0x7effd408|+0x0008: 0x00000000
0x7effd40c|+0x000c: 0x76e7c790 -> 0x4e806967
0x7effd410|+0x0010: 0x7effd448 -> 0x00000000
0x7effd414|+0x0014: 0x76cdec88 -> <vfprintf+12320> ldr r6,  [r11,  #-1144]      ; 0x478
0x7effd418|+0x0018: 0x76cdec88 -> <vfprintf+12320> ldr r6,  [r11,  #-1144]      ; 0x478
0x7effd41c|+0x001c: 0x7effd4dc -> 0x75996017 -> "s,%c,0xffffffff,&,=[%d]"
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------- code:arm:ARM ----
0x76d14624 <strerror_r+392> andeq  r4,  r10,  r12,  lsr pc
0x76d14628 <strerror_r+396> andeq  r8,  r10,  r8,  lsl r5
0x76d1462c                  andeq  r0,  r0,  r0
->0x76d14630 <strlen+0>       ldrb   r2,  [r0]
0x76d14634 <strlen+4>       and    r3,  r0,  #7
0x76d14638 <strlen+8>       mov    r1,  r0
0x76d1463c <strlen+12>      rsb    r3,  r3,  #15
0x76d14640 <strlen+16>      cmp    r2,  #0
0x76d14644 <strlen+20>      beq    0x76d146a4 <strlen+116>
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- threads ----
[#0] Id 1, Name: "r2", stopped, reason: SIGSEGV
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- trace ----
[#0] 0x76d14630->strlen()
[#1] 0x76cde730->_IO_vfprintf_internal(s=0x7effd940, format=0x7599600c "%s,0x%llx,%s,%c,0xffffffff,&,=[%d]", ap={
__ap = 0x7effdeb4
})
[#2] 0x76d0475c->_IO_vsnprintf(string=0x7effda64 "r2,0x2d766d6cd4,", maxlen=<optimized out>, format=0x7599600c "%s,0x%llx,%s,%c,0xffffffff,&,=[%d]", args={
__ap = 0x7effdea0
})
[#3] 0x76ef31b4->r_strbuf_vappendf(sb=0x7effe740, fmt=0x7599600c "%s,0x%llx,%s,%c,0xffffffff,&,=[%d]", ap={
__ap = 0x7effdea0
})
[#4] 0x76ef30f4->r_strbuf_appendf(sb=0x7effe740, fmt=0x7599600c "%s,0x%llx,%s,%c,0xffffffff,&,=[%d]")
[#5] 0x7562f330->analop_esil(a=0x54ad0f60, op=0x7effe6a8, addr=0x10304, buf=0x7effe624 "\004 -\345\004", len=0x20, handle=0x75d73378 <handle>, insn=0x54bc1560, thumb=0x0)
[#6] 0x75636494->analop(a=0x54ad0f60, op=0x7effe6a8, addr=0x10304, buf=0x7effe624 "\004 -\345\004", len=0x20, mask=7)
[#7] 0x7579f4f0->r_anal_op(anal=0x54ad0f60, op=0x7effe6a8, addr=0x10304, data=0x7effe624 "\004 -\345\004", len=0x20, mask=7)
[#8] 0x757a4224->fcn_recurse(anal=0x54ad0f60, fcn=0x54bc12c8, addr=0x102f4, len=0x80000, depth=0x3f)
[#9] 0x757a6de4->r_anal_fcn_bb(anal=0x54ad0f60, fcn=0x54bc12c8, addr=0x102f4, depth=0x40)
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
gef> bt
#0  strlen () at ../ports/sysdeps/arm/armv6/strlen.S:26
#1  0x76cde730 in _IO_vfprintf_internal (s=s@entry=0x7effd940, format=format@entry=0x7599600c "%s,0x%llx,%s,%c,0xffffffff,&,=[%d]", ap=..., ap@entry=...) at vfprintf.c:1642
#2  0x76d0475c in _IO_vsnprintf (string=0x7effda64 "r2,0x2d766d6cd4,", maxlen=<optimized out>, format=0x7599600c "%s,0x%llx,%s,%c,0xffffffff,&,=[%d]", args=...) at vsnprintf.c:119
#3  0x76ef31b4 in r_strbuf_vappendf (sb=0x7effe740, fmt=0x7599600c "%s,0x%llx,%s,%c,0xffffffff,&,=[%d]", ap=...) at strbuf.c:263
#4  0x76ef30f4 in r_strbuf_appendf (sb=0x7effe740, fmt=0x7599600c "%s,0x%llx,%s,%c,0xffffffff,&,=[%d]") at strbuf.c:250
#5  0x7562f330 in analop_esil (a=0x54ad0f60, op=0x7effe6a8, addr=0x10304, buf=0x7effe624 "\004 -\345\004", len=0x20, handle=0x75d73378 <handle>, insn=0x54bc1560, thumb=0x0) at /home/pi/Apps/radare2_old/libr/..//libr/anal/p/anal_arm_cs.c:1684
#6  0x75636494 in analop (a=0x54ad0f60, op=0x7effe6a8, addr=0x10304, buf=0x7effe624 "\004 -\345\004", len=0x20, mask=7) at /home/pi/Apps/radare2_old/libr/..//libr/anal/p/anal_arm_cs.c:3153
#7  0x7579f4f0 in r_anal_op (anal=0x54ad0f60, op=0x7effe6a8, addr=0x10304, data=0x7effe624 "\004 -\345\004", len=0x20, mask=7) at op.c:154
#8  0x757a4224 in fcn_recurse (anal=0x54ad0f60, fcn=0x54bc12c8, addr=0x102f4, len=0x80000, depth=0x3f) at fcn.c:825
#9  0x757a6de4 in r_anal_fcn_bb (anal=0x54ad0f60, fcn=0x54bc12c8, addr=0x102f4, depth=0x40) at fcn.c:1424
#10 0x757a76b8 in r_anal_fcn (anal=0x54ad0f60, fcn=0x54bc12c8, addr=0x102f4, len=0x80000, reftype=0x0) at fcn.c:1572
#11 0x760fe8e4 in __core_anal_fcn (core=0x76e18a68 <r>, at=0x102f4, from=0xffffffffffffffff, reftype=0x0, depth=0x3e) at canal.c:791
#12 0x761030ac in r_core_anal_fcn (core=0x76e18a68 <r>, at=0x102f4, from=0xffffffffffffffff, reftype=0x0, depth=0x3f) at canal.c:1828
#13 0x7610b5f8 in r_core_anal_all (core=0x76e18a68 <r>) at canal.c:3923
#14 0x760376f8 in cmd_anal_all (core=0x76e18a68 <r>, input=0x54bc1242 "") at cmd_anal.c:8965
#15 0x7603ad2c in cmd_anal (data=0x76e18a68 <r>, input=0x54bc1241 "a") at cmd_anal.c:9896
#16 0x760f8764 in r_cmd_call (cmd=0x54b143a0, input=0x54bc1240 "aa") at cmd_api.c:244
#17 0x76093424 in r_core_cmd_subst_i (core=0x76e18a68 <r>, cmd=0x54bc1240 "aa", colon=0x0, tmpseek=0x7effefa3) at cmd.c:3590
#18 0x7608f878 in r_core_cmd_subst (core=0x76e18a68 <r>, cmd=0x54bc1240 "aa") at cmd.c:2532
#19 0x76095eac in r_core_cmd (core=0x76e18a68 <r>, cstr=0x54bee510 "aa", log=0x1) at cmd.c:4561
#20 0x75fd461c in r_core_prompt_exec (r=0x76e18a68 <r>) at core.c:3023
#21 0x75fd3c60 in r_core_prompt_loop (r=0x76e18a68 <r>) at core.c:2874
#22 0x76dfcbd4 in r_main_radare2 (argc=0x2, argv=0x7efff3a4) at radare2.c:1354
#23 0x54aaac5c in main (argc=0x2, argv=0x7efff3a4) at radare2.c:96
gef>