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2019-02-26 Thread BODY GLOVE-BRASIL
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Re: [RFC] Change PCH "checksum"

2019-02-26 Thread Richard Biener
On Mon, 25 Feb 2019, Mark Wielaard wrote: > On Fri, 2019-02-22 at 12:29 +0100, Richard Biener wrote: > > +struct build_id_note { > > +/* The NHdr. */ > > +uint32_t namesz; > > +uint32_t descsz; > > +uint32_t type; > > + > > +char name[4]; /* Note name for build-id is "GNU\0" *

Re: [RFC] Change PCH "checksum"

2019-02-26 Thread Mark Wielaard
On Tue, 2019-02-26 at 09:33 +0100, Richard Biener wrote: > On Mon, 25 Feb 2019, Mark Wielaard wrote: > > Since the introduction of GNU Property notes this is (sadly) no > > longer > > the correct way to iterate through ELF notes. The padding of names > > and > > desc might now depend on the alignm

Re: [RFC] Change PCH "checksum"

2019-02-26 Thread Richard Biener
On Tue, 26 Feb 2019, Mark Wielaard wrote: > On Tue, 2019-02-26 at 09:33 +0100, Richard Biener wrote: > > On Mon, 25 Feb 2019, Mark Wielaard wrote: > > > Since the introduction of GNU Property notes this is (sadly) no > > > longer > > > the correct way to iterate through ELF notes. The padding of n

Re: [RFC] Change PCH "checksum"

2019-02-26 Thread Richard Biener
On Tue, 26 Feb 2019, Richard Biener wrote: > On Tue, 26 Feb 2019, Mark Wielaard wrote: > > > On Tue, 2019-02-26 at 09:33 +0100, Richard Biener wrote: > > > On Mon, 25 Feb 2019, Mark Wielaard wrote: > > > > Since the introduction of GNU Property notes this is (sadly) no > > > > longer > > > > the

Re: [RFC] Change PCH "checksum"

2019-02-26 Thread Michael Matz
Hi, On Tue, 26 Feb 2019, Richard Biener wrote: > get_build_id_1 (struct dl_phdr_info *info, size_t, void *data) > { Isn't this all a bit silly? We could simply encode the svn revision, or maybe even just some random bytes generated once in stage1 at build time as "checksum" and be done with.

Re: [RFC] Change PCH "checksum"

2019-02-26 Thread Richard Biener
On Tue, 26 Feb 2019, Michael Matz wrote: > Hi, > > On Tue, 26 Feb 2019, Richard Biener wrote: > > > get_build_id_1 (struct dl_phdr_info *info, size_t, void *data) > > { > > Isn't this all a bit silly? We could simply encode the svn revision, or > maybe even just some random bytes generated o

Re: [RFC] Change PCH "checksum"

2019-02-26 Thread Mark Wielaard
On Tue, 2019-02-26 at 15:36 +0100, Richard Biener wrote: > On Tue, 26 Feb 2019, Mark Wielaard wrote: > > > On Tue, 2019-02-26 at 09:33 +0100, Richard Biener wrote: > > > On Mon, 25 Feb 2019, Mark Wielaard wrote: > > > > Since the introduction of GNU Property notes this is (sadly) no > > > > longer

Re: [RFC] Change PCH "checksum"

2019-02-26 Thread Richard Biener
On Tue, 26 Feb 2019, Mark Wielaard wrote: > On Tue, 2019-02-26 at 15:36 +0100, Richard Biener wrote: > > On Tue, 26 Feb 2019, Mark Wielaard wrote: > > > > > On Tue, 2019-02-26 at 09:33 +0100, Richard Biener wrote: > > > > On Mon, 25 Feb 2019, Mark Wielaard wrote: > > > > > Since the introduction

Re: [RFC] Change PCH "checksum"

2019-02-26 Thread Mark Wielaard
On Tue, 2019-02-26 at 18:13 +0100, Richard Biener wrote: > > > That would mean when p_align == 8 the note name isn't 8-aligned > > > but just 4-aligned? That is, sizeof (Elf*_Nhdr) == 12, and the > > > name starts right after that instead of being aligned according > > > to p_align? That sounds o

Results for 8.3.0 (GCC) testsuite on x86_64-w64-mingw32.

2019-02-26 Thread Rainer Emrich
Test results here: https://gcc.gnu.org/ml/gcc-testresults/2019-02/msg03095.html Complete logs can be found here: https://cloud.emrich-ebersheim.de/index.php/s/g9D245XdCW6GD5W signature.asc Description: OpenPGP digital signature