Re: [Bug win32/14529] Make gdb capable of JIT-debugging on W32

Pedro Alves
2012-09-11T18:21:36Z

On 09/10/2012 03:22 AM, LRN wrote:
>
> +# This feature requires 3 things:
> +# 1) windows.h with SetEvent() and CloseHandle() prototypes
> +# 2) inttypes.h with uintptr_t type defined
> +# 3) libkernel32 that exports SetEvent() and CloseHandle()
> +# Because functions in (1) use stdcall on W32, it's impossible to
> +# check them with AC_SEARCH_LIBS.
> +# Until a more elaborate check is written (compile_ifelse or something),
> +# users will have to enable this feature explicitly.
> +# However, this feature is enabled by default for platforms where it should
> +# normally work (MinGW and Cygwin).
> +
> +AC_ARG_ENABLE(w32-jitdbg,
> +AS_HELP_STRING([--enable-w32-jitdbg], [enable W32 JIT debugging]),
> + [case $enableval in
> + yes) w32_jitdbg=1 ;;
> + no) w32_jitdbg=0 ;;
> + *)
> + AC_MSG_ERROR([bad value $enableval for --enable-w32-jitdbg]) ;;
> + esac],
> + [w32_jitdbg=$default_w32_jitdbg])
> +AC_DEFINE_UNQUOTED(W32_JITDBG, $w32_jitdbg,
> + [Define to 1 if W32 JIT debugging support is enabled, to 0 otherwise])
> +

When would you ever want to --enable-w32-jitdbg on anything other than
Windows, where it is enabled by default?

--
Pedro Alves