GNU bug report logs - #30820
Chunked store references in compiled code break grafting (again)

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Message #24 received at 30820 <at> debbugs.gnu.org (full text, mbox):

From: Danny Milosavljevic <dannym <at> scratchpost.org>
To: ludo <at> gnu.org (Ludovic Courtès)
Cc: 30820 <at> debbugs.gnu.org
Subject: Re: bug#30820: Chunked store references in compiled code break
 grafting (again)
Date: Mon, 19 Mar 2018 22:22:05 +0100

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Hi Ludo,

> The second issue is that the patch only ever worked with literal
> strings.  It does not “see” strings in constant arrays like the ‘str’
> array in the example above.
> 
> The gconv-module file name mentioned in the first message in this bug
> report is an example of a string assigned to a static array, in
> iconv/gconv_conf.c:
> 
>   /* This is the default path where we look for module lists.  */
>   static const char default_gconv_path[] = GCONV_PATH;

I don't understand why this is a problem.  Grafting would just
mutate default_gconv_path, right?  Who cares how the runtime memcpy
works (if there's no literal as source)?

Or do you mean that it memcpys at compile time?

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