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From: "Daniel P. Smith" <dpsmith.dev@gmail.com>
To: Jason Andryuk <jandryuk@gmail.com>, xen-devel@lists.xenproject.org
Cc: Ian Jackson <iwj@xenproject.org>, Wei Liu <wl@xen.org>,
	Samuel Thibault <samuel.thibault@ens-lyon.org>
Subject: Re: [PATCH 3/9] stubom: newlib: Enable C99 formats for %z
Date: Fri, 7 May 2021 11:37:10 -0400	[thread overview]
Message-ID: <d6ce6e80-5d4b-12cf-518f-e495c894f29c@gmail.com> (raw)
In-Reply-To: <20210504124842.220445-4-jandryuk@gmail.com>

On 5/4/21 8:48 AM, Jason Andryuk wrote:
> vtpmmgr was changed to print size_t with the %z modifier, but newlib
> isn't compiled with %z support.  So you get output like:
> 
> root seal: zu; sector of 13: zu
> root: zu v=zu
> itree: 36; sector of 112: zu
> group: zu v=zu id=zu md=zu
> group seal: zu; 5 in parent: zu; sector of 13: zu
> vtpm: zu+zu; sector of 48: zu
> 
> Enable the C99 formats in newlib so vtpmmgr prints the numeric values.
> 
> Fixes 9379af08ccc0 "stubdom: vtpmmgr: Correctly format size_t with %z
> when printing."
> 
> Signed-off-by: Jason Andryuk <jandryuk@gmail.com>
> ---

Reviewed-by: Daniel P. Smith <dpsmith@apertussolutions.com>

> I haven't tried, but the other option would be to cast size_t and avoid
> %z.  Since this seems to be the only mini-os use of %z, that may be
> better than building a larger newlib.
> ---
>  stubdom/Makefile | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/stubdom/Makefile b/stubdom/Makefile
> index 90d9ffcd9f..c6de5f68ae 100644
> --- a/stubdom/Makefile
> +++ b/stubdom/Makefile
> @@ -105,7 +105,7 @@ cross-newlib: $(NEWLIB_STAMPFILE)
>  $(NEWLIB_STAMPFILE): mk-headers-$(XEN_TARGET_ARCH) newlib-$(NEWLIB_VERSION)
>  	mkdir -p newlib-$(XEN_TARGET_ARCH)
>  	( cd newlib-$(XEN_TARGET_ARCH) && \
> -	  CC_FOR_TARGET="$(CC) $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(NEWLIB_CFLAGS)" AR_FOR_TARGET=$(AR) LD_FOR_TARGET=$(LD) RANLIB_FOR_TARGET=$(RANLIB) ../newlib-$(NEWLIB_VERSION)/configure --prefix=$(CROSS_PREFIX) --verbose --target=$(GNU_TARGET_ARCH)-xen-elf --enable-newlib-io-long-long --disable-multilib && \
> +	  CC_FOR_TARGET="$(CC) $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(NEWLIB_CFLAGS)" AR_FOR_TARGET=$(AR) LD_FOR_TARGET=$(LD) RANLIB_FOR_TARGET=$(RANLIB) ../newlib-$(NEWLIB_VERSION)/configure --prefix=$(CROSS_PREFIX) --verbose --target=$(GNU_TARGET_ARCH)-xen-elf --enable-newlib-io-long-long --enable-newlib-io-c99-formats --disable-multilib && \
>  	  $(MAKE) DESTDIR= && \
>  	  $(MAKE) DESTDIR= install )
>  
> 



  parent reply	other threads:[~2021-05-07 15:37 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-04 12:48 [PATCH 0/9] vtpmmgr: Some fixes - still incomplete Jason Andryuk
2021-05-04 12:48 ` [PATCH 1/9] docs: Warn about incomplete vtpmmgr TPM 2.0 support Jason Andryuk
2021-05-04 17:55   ` Andrew Cooper
2021-05-07 15:31   ` Daniel P. Smith
2021-05-04 12:48 ` [PATCH 2/9] vtpmmgr: Print error code to aid debugging Jason Andryuk
2021-05-04 13:03   ` Samuel Thibault
2021-05-07 15:33   ` Daniel P. Smith
2021-05-04 12:48 ` [PATCH 3/9] stubom: newlib: Enable C99 formats for %z Jason Andryuk
2021-05-04 13:08   ` Samuel Thibault
2021-05-07 15:37   ` Daniel P. Smith [this message]
2021-05-04 12:48 ` [PATCH 4/9] vtpmmgr: Allow specifying srk_handle for TPM2 Jason Andryuk
2021-05-04 13:13   ` Samuel Thibault
2021-05-04 17:04     ` Jason Andryuk
2021-05-04 17:07       ` Samuel Thibault
2021-05-04 17:27         ` Jason Andryuk
2021-05-04 17:48           ` Samuel Thibault
2021-05-04 12:48 ` [PATCH 5/9] vtpmmgr: Move vtpmmgr_shutdown Jason Andryuk
2021-05-04 13:14   ` Samuel Thibault
2021-05-04 12:48 ` [PATCH 6/9] vtpmmgr: Flush transient keys on shutdown Jason Andryuk
2021-05-04 13:15   ` Samuel Thibault
2021-05-04 12:48 ` [PATCH 7/9] vtpmmgr: Flush all transient keys Jason Andryuk
2021-05-04 13:16   ` Samuel Thibault
2021-05-04 17:05     ` Jason Andryuk
2021-05-04 17:07       ` Samuel Thibault
2021-05-04 12:48 ` [PATCH 8/9] vtpmmgr: Shutdown more gracefully Jason Andryuk
2021-05-04 13:18   ` Samuel Thibault
2021-05-04 12:48 ` [PATCH 9/9] vtpmmgr: Support GetRandom passthrough on TPM 2.0 Jason Andryuk
2021-05-04 13:33   ` Samuel Thibault
2021-05-04 17:23     ` Jason Andryuk
2021-05-04 17:47       ` Samuel Thibault

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