patches/glibc/ports-2.10.1/630-mips_shn_undef-hack.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Wed Dec 30 15:36:22 2009 +0100 (2009-12-30)
changeset 1669 61edd9d19e3c
permissions -rw-r--r--
scripts/functions: add aria2, a powerfull downloader

aria2 is a powerfull downloader that is capable of chunking and
parallel retrieval.

Due to li;itations in crosstool-NG retrieval facilities, it's not possible
to take fully advantage of aria2. It might happen that, in the future,
those limitations get lifted away, so we can take use features such as
parallel downloading from more than one server at the same time. For now,
it should still speed up downloads thanks to parallel downloading of chunks.
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	Hack from Debian to hopefully get sandbox working on mips
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<`Kumba> ths: given the SHN_UNDEF thing is a hack, what's the preferred solution?
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<ths> For fakeroot the simplest trigger is "fakeroot file /bin/ls".
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<ths> `Kumba: I haven't found a better one yet.
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<ths> Probably marker symbols around the stub section, and then exclude it from the link map.
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<ths> This needs a ld change.
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diff -durN glibc-2.10.1.orig/elf/do-lookup.h glibc-2.10.1/elf/do-lookup.h
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--- glibc-2.10.1.orig/elf/do-lookup.h	2009-03-30 23:14:32.000000000 +0200
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+++ glibc-2.10.1/elf/do-lookup.h	2009-11-13 00:51:36.000000000 +0100
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@@ -248,6 +248,12 @@
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 		}
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 	      /* FALLTHROUGH */
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 	    case STB_GLOBAL:
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+#ifdef __mips__
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+	      /* HACK: MIPS marks its lazy evaluation stubs with SHN_UNDEF
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+		 symbols, we skip them. */
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+	      if (sym->st_shndx == SHN_UNDEF)
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+		break;
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+#endif
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 	      /* Global definition.  Just what we need.  */
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 	      result->s = sym;
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 	      result->m = (struct link_map *) map;