[PATCH rtems-tools] linkers/rtems-syms: Generate TLS symbols

[Chris Johns]

OK

Thanks
Chris

On 13/1/2023 8:12 am, Kinsey Moore wrote:
> When generating the symbol table for loadable modules, include TLS
> symbols so that the modules can reference them.
> ---
>  linkers/rtems-syms.cpp       | 5 +++++
>  rtemstoolkit/rld-elf.cpp     | 1 +
>  rtemstoolkit/rld-symbols.cpp | 3 +++
>  3 files changed, 9 insertions(+)
> 
> diff --git a/linkers/rtems-syms.cpp b/linkers/rtems-syms.cpp
> index 5aa4d27..e5170e1 100644
> --- a/linkers/rtems-syms.cpp
> +++ b/linkers/rtems-syms.cpp
> @@ -242,6 +242,11 @@ output_sym::operator ()(const rld::symbols::symtab::value_type& value)
>  
>    c.write_line ("asm(\"  .asciz \\\"" + sym.name () + "\\\"\");");
>  
> +  if (sym.type() == STT_TLS)
> +  {
> +    c.write_line ("asm(\"  .type \\\"" + sym.name () + "\\\", %tls_object\");");
> +  }
> +
>    if (embed)
>    {
>      c.write_line ("#if __SIZEOF_POINTER__ == 8");
> diff --git a/rtemstoolkit/rld-elf.cpp b/rtemstoolkit/rld-elf.cpp
> index ffa3376..68efdbe 100644
> --- a/rtemstoolkit/rld-elf.cpp
> +++ b/rtemstoolkit/rld-elf.cpp
> @@ -891,6 +891,7 @@ namespace rld
>          {
>            if (((stype == STT_NOTYPE) ||
>                 (stype == STT_OBJECT) ||
> +               (stype == STT_TLS) ||
>                 (stype == STT_FUNC)) &&
>                ((weak && (sbind == STB_WEAK)) ||
>                 (!unresolved && ((local && (sbind == STB_LOCAL)) ||
> diff --git a/rtemstoolkit/rld-symbols.cpp b/rtemstoolkit/rld-symbols.cpp
> index 661b598..01291c0 100644
> --- a/rtemstoolkit/rld-symbols.cpp
> +++ b/rtemstoolkit/rld-symbols.cpp
> @@ -277,6 +277,9 @@ namespace rld
>          case STT_FILE:
>            type = "STT_FILE   ";
>            break;
> +        case STT_TLS:
> +          type = "STT_TLS    ";
> +          break;
>          default:
>            if ((type_val >= STT_LOPROC) && (type_val <= STT_HIPROC))
>              type = "STT_LOPROC(" + rld::to_string (type_val) + ")";