Re: [Minios-devel] [UNIKRAFT PATCH] lib/nolibc: Provide abort()

[Simon Kuenzer <simon.kuenzer@xxxxxxxxx>]

I am sorry, please ignore this patch, it got already sent out.

> On 31. Mar 2020, at 23:37, Simon Kuenzer <simon.kuenzer@xxxxxxxxx> wrote:
> 
> Provide `void abort(void)` implementation with `<stdlib.h>`.
> The function terminates the kernel execution with crashed
> state by calling `ukplat_crash()`.
> 
> Signed-off-by: Simon Kuenzer <simon.kuenzer@xxxxxxxxx>
> ---
> lib/nolibc/include/stdlib.h | 3 +++
> lib/nolibc/stdlib.c         | 8 ++++++++
> 2 files changed, 11 insertions(+)
> 
> diff --git a/lib/nolibc/include/stdlib.h b/lib/nolibc/include/stdlib.h
> index 02dd8500..cd6651c4 100644
> --- a/lib/nolibc/include/stdlib.h
> +++ b/lib/nolibc/include/stdlib.h
> @@ -28,6 +28,7 @@
> #define __STDLIB_H__
> 
> #include <uk/config.h>
> +#include <uk/essentials.h>
> 
> #ifdef __cplusplus
> extern "C" {
> @@ -86,6 +87,8 @@ int posix_memalign(void **memptr, size_t align, size_t 
> size);
> void *memalign(size_t align, size_t size);
> #endif /* CONFIG_LIBUKALLOC */
> 
> +void abort(void) __noreturn;
> +
> #if CONFIG_LIBPOSIX_PROCESS
> int system(const char *command);
> #endif
> diff --git a/lib/nolibc/stdlib.c b/lib/nolibc/stdlib.c
> index c83c6de5..5cab9b28 100644
> --- a/lib/nolibc/stdlib.c
> +++ b/lib/nolibc/stdlib.c
> @@ -56,6 +56,8 @@
> #include <stdlib.h>
> #include <limits.h>
> #include <ctype.h>
> +#include <uk/print.h>
> +#include <uk/plat/bootstrap.h>
> 
> #define __DECONST(type, var) ((type)(uintptr_t)(const void *)(var))
> 
> @@ -412,3 +414,9 @@ int atoi(const char *s)
> 
>       return (int) atoll;
> }
> +
> +void abort(void)
> +{
> +     uk_pr_crit("Abnormal termination!\n");
> +     ukplat_crash();
> +}
> -- 
> 2.20.1
> 


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