Re: [PATCH 15/20] disas/nanomips: Replace exception handling

[Thomas Huth]

On 15/08/2022 09.26, Milica Lazarevic wrote:
> Since there's no support for exception handling in C, the try-catch
> blocks have been deleted, and throw clauses are replaced. When a runtime
> error happens, we're printing out the error message. Disassembling of
> the current instruction interrupts. This behavior is achieved by adding
> sigsetjmp() to discard further disassembling after the error message
> prints and by adding the siglongjmp() function to imitate throwing an
> error.The goal was to maintain the same output as it was.
>
> Signed-off-by: Milica Lazarevic <milica.lazarevic@syrmia.com>
> ---
>   disas/nanomips.cpp | 135 +++++++++++++++++++++++----------------------
>   1 file changed, 69 insertions(+), 66 deletions(-)
>
> diff --git a/disas/nanomips.cpp b/disas/nanomips.cpp
> index 769368a984..a8cd878809 100644
> --- a/disas/nanomips.cpp
> +++ b/disas/nanomips.cpp
> @@ -31,7 +31,6 @@
>   #include "disas/dis-asm.h"
>   
>   #include <string.h>
> -#include <stdexcept>
>   #include <stdio.h>
>   #include <stdarg.h>
>   
> @@ -90,6 +89,8 @@ struct Pool {
>   
>   static img_address           m_pc;
>   static TABLE_ATTRIBUTE_TYPE   m_requested_instruction_categories;
> +static struct disassemble_info *disassm_info;
> +static jmp_buf j_buf;

I guess this is also not thread-safe? (see also Richard's answer to patch 03/20)

 Thomas