Re: [qemu-hexagon] Error mapping file: Invalid argument

[Philippe Mathieu-Daudé]

Cc'ing Hexagon team.

On 9/13/21 8:38 PM, Waksmanski, Lukasz wrote:
> Hello,
> 
>  
> 
> I’m trying to run Hexagon executables in qemu-hexagon. I’m using
> official stable version v6.1. Here’s my rather simple program:
> 
> ➜  ~ cat test.c
> 
> #include<stdio.h>
> 
> int main()
> 
> {  printf("Hello Hexagon!");
> 
>   return 0;
> 
> }
> 
>  
> 
> I’m using  Hexagon SDK 4.0.2 toolchain:
> 
> ➜  ~ ~/tools/Hexagon4/tools/HEXAGON_Tools/8.4.09/Tools/bin/hexagon-clang
> -mv67 -o test test.c
> 
>  
> 
> Running in qemu produces error somewhere in mmap
> 
> ➜  ~ qemu-hexagon
> ./test                                                                    
> 
> qemu-hexagon: ./test: Error mapping file: Invalid argument
> 
>  
> 
> Am I doing something naively wrong here?
> 
>  
> 
> Here’s  are the some details about the executable
> 
> ➜  ~
> ~/tools/Hexagon4/tools/HEXAGON_Tools/8.4.09/Tools/bin/hexagon-llvm-readelf
> -h ./test   
> 
> ELF Header:
> 
>   Magic:   7f 45 4c 46 01 01 01 00 00 00 00 00 00 00 00 00
> 
>   Class:                             ELF32
> 
>   Data:                              2's complement, little endian
> 
>   Version:                           1 (current)
> 
>   OS/ABI:                            UNIX - System V
> 
>   ABI Version:                       0x0
> 
>   Type:                              EXEC (Executable file)
> 
>   Machine:                           Qualcomm Hexagon
> 
>   Version:                           0x1
> 
>   Entry point address:               0x0
> 
>   Start of program headers:          52 (bytes into file)
> 
>   Start of section headers:          78848 (bytes into file)
> 
>   Flags:                             0x67, V67
> 
>   Size of this header:               52 (bytes)
> 
>   Size of program headers:           32 (bytes)
> 
>   Number of program headers:         3
> 
>   Size of section headers:           40 (bytes)
> 
>   Number of section headers:         16
> 
>   Section header string table index: 13
> 
>  
> 
> Section Headers:
> 
>   [Nr] Name              Type            Address  Off    Size   ES Flg
> Lk Inf Al
> 
>   [ 0]                   NULL            00000000 000000 000000 00     
> 0   0  0
> 
>   [ 1] .start            PROGBITS        00000000 001000 004680 00 WAX 
> 0   0 64
> 
>   [ 2] .init             PROGBITS        00005000 006000 000064 00  AX 
> 0   0 32
> 
>   [ 3] .text             PROGBITS        00006000 007000 005a88 00  AX 
> 0   0 4096
> 
>   [ 4] .fini             PROGBITS        0000baa0 00caa0 000030 00  AX 
> 0   0 32
> 
>   [ 5] .rodata           PROGBITS        0000bad0 00cad0 000678 00   A 
> 0   0  8
> 
>   [ 6] .eh_frame         PROGBITS        0000c160 00d160 000004 00   A 
> 0   0 32
> 
>   [ 7] .data             PROGBITS        0000d000 00e000 000708 00  WA 
> 0   0  8
> 
>   [ 8] .ctors            PROGBITS        0000d708 00e708 000010 00  WA 
> 0   0  4
> 
>   [ 9] .dtors            PROGBITS        0000d718 00e718 000014 00  WA 
> 0   0  4
> 
>   [10] .sdata            PROGBITS        0000e000 00f000 0000a8 00 WAp 
> 0   0 4096
> 
>   [11] .bss              NOBITS          0000e0a8 00f0a8 000e5c 00  WA 
> 0   0  8
> 
>   [12] .comment          PROGBITS        00000000 00f0a8 0000d4 00  MS 
> 0   0  1
> 
>   [13] .shstrtab         STRTAB          00000000 00f17c 00006f 00     
> 0   0  1
> 
>   [14] .symtab           SYMTAB          00000000 00f1ec 0024e0 10    
> 15 248  4
> 
>   [15] .strtab           STRTAB          00000000 0116cc 001d19 00     
> 0   0  1
> 
>  
> 
>  
> 
> Could you tell me where the problem is? Is it because I’m compiling for
> QuRT, and qemu uses is linux-user? Or is something else?
> 
>  
> 
> Best regards,
> 
> *Łukasz Waksmański***
> 
> M +48 668 282 017
> 
> www.dolby.com <http://www.dolby.com/>__ |  Lukasz.Waksmanski@dolby.com
> <mailto:Lukasz.Waksmanski@dolby.com>__
> 
>  
>