2012-05-06 01:39:20 +02:00
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Add replacement for <a.out.h>
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Valgrind includes <a.out.h> to get the definition of 'struct
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nlist'. However, while glibc directly defines 'struct nlist' in
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<a.out.h>, uClibc relies on it being defined by kernel headers (i.e
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<a.out.h> simply includes <linux/a.out.h>). This works for most
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architectures, but not for PowerPC, on which the a.out binary format
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has never been supported, and therefore the <linux/a.out.h> kernel
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header does not exist.
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One solution would have been to use the <nlist.h> header, but this one
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is only available in glibc, and it also has a slightly different
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definition than the one in <a.out.h>. So, for the time being, the
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easiest solution is to just replace the #include <a.out.h> in Valgrind
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code by a copy/paste of the 'struct nlist' definition.
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Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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Index: b/coregrind/m_debuginfo/readstabs.c
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===================================================================
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--- a/coregrind/m_debuginfo/readstabs.c
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+++ b/coregrind/m_debuginfo/readstabs.c
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valgrind: bump to 3.8.1
Status of the patches:
* valgrind-compiler-check.patch, no longer needed, merged upstream.
* valgrind-dont-include-a-out-header.patch, kept, just refreshed
* valgrind-fix-ccache-support.patch, adapted to the newer Valgrind
release.
* valgrind-largefile.patch, kept, just refreshed
* valgrind-more-ioctls.patch, removed. Most of it was merged
upstream. This patch was anyway a feature addition, so it shouldn't
be kept in Buildroot.
* valgrind-workaround-SIGSEGV-on-PPC.patch, kept as is, just
refreshed.
This bump also fixes the build failure we were experiencing with
Valgrind 3.7.0 against recent Glibc versions.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2012-12-19 14:14:55 +01:00
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@@ -53,7 +53,21 @@
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2012-05-06 01:39:20 +02:00
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/* --- !!! --- EXTERNAL HEADERS start --- !!! --- */
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#if defined(VGO_linux)
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-# include <a.out.h> /* stabs defns */
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+/* Copied from a.out.h, because it is otherwise not available on
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+ PowerPC/uClibc */
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+struct nlist
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+{
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+ union
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+ {
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+ char *n_name;
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+ struct nlist *n_next;
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+ long n_strx;
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+ } n_un;
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+ unsigned char n_type;
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+ char n_other;
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+ short n_desc;
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+ unsigned long n_value;
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+};
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#elif defined(VGO_darwin)
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# include <mach-o/nlist.h>
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# define n_other n_sect
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