[oe-commits] [openembedded-core] 03/11: glibc: relocate locale paths in nativesdk

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rpurdie pushed a commit to branch pyro-next
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commit f92515e05cb988f4e40de293afec90454ef974b8
Author: Ross Burton <ross.burton at intel.com>
AuthorDate: Thu Mar 1 18:26:27 2018 +0000

    glibc: relocate locale paths in nativesdk
    
    nativesdk is built with a specific prefix but this will be different at install
    time, however glibc hard-codes the path to locale files. Expand these strings to 4K and move them to a magic segment which we can relocate when the SDK is installed.
    
    (From OE-Core rev: 59e0679378aac27c4fea0b06721e0a184a93c100)
    
    Signed-off-by: Ross Burton <ross.burton at intel.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 .../glibc/glibc/relocate-locales.patch             | 55 ++++++++++++++++++++++
 meta/recipes-core/glibc/glibc_2.25.bb              |  1 +
 2 files changed, 56 insertions(+)

diff --git a/meta/recipes-core/glibc/glibc/relocate-locales.patch b/meta/recipes-core/glibc/glibc/relocate-locales.patch
new file mode 100644
index 0000000..2aea37f5
--- /dev/null
+++ b/meta/recipes-core/glibc/glibc/relocate-locales.patch
@@ -0,0 +1,55 @@
+The glibc locale path is hard-coded to the install prefix, but in SDKs we need
+to be able to relocate the binaries.  Expand the strings to 4K and put them in a
+magic segment that we can relocate at install time.
+
+Upstream-Status: Inappropriate (OE-specific)
+Signed-off-by: Ross Burton <ross.burton at intel.com>
+
+diff --git a/locale/findlocale.c b/locale/findlocale.c
+index 872cadb5..da14fa39 100644
+--- a/locale/findlocale.c
++++ b/locale/findlocale.c
+@@ -56,7 +56,7 @@ struct __locale_data *const _nl_C[] attribute_hidden =
+    which are somehow addressed.  */
+ struct loaded_l10nfile *_nl_locale_file_list[__LC_LAST];
+ 
+-const char _nl_default_locale_path[] attribute_hidden = COMPLOCALEDIR;
++char _nl_default_locale_path[4096] attribute_hidden __attribute__ ((section (".gccrelocprefix"))) = COMPLOCALEDIR;
+ 
+ /* Checks if the name is actually present, that is, not NULL and not
+    empty.  */
+@@ -167,7 +167,7 @@ _nl_find_locale (const char *locale_path, size_t locale_path_len,
+ 
+       /* Nothing in the archive.  Set the default path to search below.  */
+       locale_path = _nl_default_locale_path;
+-      locale_path_len = sizeof _nl_default_locale_path;
++      locale_path_len = strlen(locale_path) + 1;
+     }
+   else
+     /* We really have to load some data.  First see whether the name is
+diff --git a/locale/localeinfo.h b/locale/localeinfo.h
+index 68822a63..537bc351 100644
+--- a/locale/localeinfo.h
++++ b/locale/localeinfo.h
+@@ -325,7 +325,7 @@ _nl_lookup_word (locale_t l, int category, int item)
+ }
+ 
+ /* Default search path if no LOCPATH environment variable.  */
+-extern const char _nl_default_locale_path[] attribute_hidden;
++extern char _nl_default_locale_path[4096] attribute_hidden;
+ 
+ /* Load the locale data for CATEGORY from the file specified by *NAME.
+    If *NAME is "", use environment variables as specified by POSIX, and
+diff --git a/locale/loadarchive.c b/locale/loadarchive.c
+index 516d30d8..792b37fb 100644
+--- a/locale/loadarchive.c
++++ b/locale/loadarchive.c
+@@ -42,7 +43,7 @@
+ 
+ 
+ /* Name of the locale archive file.  */
+-static const char archfname[] = COMPLOCALEDIR "/locale-archive";
++static const char archfname[4096] __attribute__ ((section (".gccrelocprefix"))) = COMPLOCALEDIR "/locale-archive";
+ 
+ /* Size of initial mapping window, optimal if large enough to
+    cover the header plus the initial locale.  */
diff --git a/meta/recipes-core/glibc/glibc_2.25.bb b/meta/recipes-core/glibc/glibc_2.25.bb
index 316ba1f..58b90b7 100644
--- a/meta/recipes-core/glibc/glibc_2.25.bb
+++ b/meta/recipes-core/glibc/glibc_2.25.bb
@@ -51,6 +51,7 @@ NATIVESDKFIXES_class-nativesdk = "\
            file://0002-nativesdk-glibc-Fix-buffer-overrun-with-a-relocated-.patch \
            file://0003-nativesdk-glibc-Raise-the-size-of-arrays-containing-.patch \
            file://0004-nativesdk-glibc-Allow-64-bit-atomics-for-x86.patch \
+           file://relocate-locales.patch \
 "
 
 S = "${WORKDIR}/git"

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