Wrong loading of ARM Thumb functions from ELF with symbols

[XVilka]

Rizin wrongly detects main as ARM but it's marked as Thumb with the special symbol $t.

rizin -A arm-thumb-dwarf.elf
[0x00008000]> is
nth paddr      vaddr      bind   type   size lib name
-----------------------------------------------------------------
1   0x00001000 0x00008000 LOCAL  SECT   0        .text
2   ---------- 0x00009018 LOCAL  SECT   0        .persistent
3   ---------- 0x00009018 LOCAL  SECT   0        .noinit
4   ---------- 0x00000000 LOCAL  SECT   0        .comment
5   ---------- 0x00000000 LOCAL  SECT   0        .debug_aranges
6   ---------- 0x00000000 LOCAL  SECT   0        .debug_info
7   ---------- 0x00000000 LOCAL  SECT   0        .debug_abbrev
8   ---------- 0x00000000 LOCAL  SECT   0        .debug_line
9   ---------- 0x00000000 LOCAL  SECT   0        .debug_frame
10  ---------- 0x00000000 LOCAL  SECT   0        .debug_str
11  ---------- 0x00000000 LOCAL  SECT   0        .ARM.attributes
12  ---------- 0x00000000 LOCAL  FILE   0        main.c
13  0x00001000 0x00008000 LOCAL  SPCL   0        $t
14  ---------- 0x00009018 GLOBAL NOTYPE 0        _bss_end__
15  ---------- 0x00009018 GLOBAL NOTYPE 0        __bss_start__
16  ---------- 0x00009018 GLOBAL NOTYPE 0        __bss_end__
18  ---------- 0x00009018 GLOBAL NOTYPE 0        __bss_start
19  0x00001000 0x00008000 GLOBAL FUNC   24       main
20  ---------- 0x00009018 GLOBAL NOTYPE 0        __end__
21  ---------- 0x00009018 GLOBAL NOTYPE 0        _edata
22  ---------- 0x00009018 GLOBAL NOTYPE 0        _end
23  ---------- 0x00080000 GLOBAL NOTYPE 0        _stack
24  ---------- 0x00009018 GLOBAL NOTYPE 0        __data_start
[0x00008000]> s main
[0x00008000]> pdf
            ;-- main:
            ;-- entry0:
            ;-- section..text:
            ;-- segment.LOAD0:
            ;-- segment.ehdr:
            ;-- .text:
            ;-- pc:
            ;-- r15:
╭ int main(int argc, char **argv)
│           ; var int32_t arg1 @ r0
│           ; arg int argc @ stack - 0x8
│           ; arg char **argv @ stack - 0xc
│           0x00008000      80b582b0       addlt fp, r2, r0, lsl 11    ; main.c:1 ; arg1 ; [00] -r-x section size 24 named .text
│           0x00008004      00af7860       rsbsvs sl, r8, r0, lsl 30
│           0x00008008      39607b68       ldmdavs fp!, {r0, r3, r4, r5, sp, lr} ^
│           0x0000800c      1800bd46       ssatmi r0, 0x1e, r8         ; main.c:3
│           0x00008010      02b080bc       stclt p0, c11, [r0], {2}
╰           0x00008014      02bc0847       strmi fp, [r8, -r2, lsl 24]
[0x00008000]>

arm-thumb-dwarf.elf.zip
arm-thumb-stripped.elf.zip
arm-thumb-stripped-really.elf.zip