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#
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# Red Hat BZ:
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# https://bugzilla.redhat.com/show_bug.cgi?id=905184
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#
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# Sourcware BZ:
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# http://sourceware.org/bugzilla/show_bug.cgi?id=15006
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#
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# Upstream submission:
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# http://www.sourceware.org/ml/libc-alpha/2013-02/msg00120.html
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#
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# ChangeLog
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#
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# 2013-02-07 Carlos O'Donell <carlos@redhat.com>
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#
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# * sysdeps/generic/ldconfig.h: Define FLAG_ARM_LIBSF.
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# * elf/cache.c (print_entry): Add FLAG_ARM_LIBSF support.
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#
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# ports/ChangeLog.arm
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#
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# 2013-02-07 Carlos O'Donell <carlos@redhat.com>
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#
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# * sysdeps/unix/sysv/linux/arm/dl-cache.h
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# [__ARM_PCS_VFP] (_dl_cache_check_flags): Allow plain FLAG_ELF_LIBC6.
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# [!__ARM_PCS_VFP] (_dl_cache_check_flags): Likewise.
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# * sysdeps/unix/sysv/linux/arm/readelflib.c (process_elf_file):
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# Set FLAG_ARM_LIBSF for soft-float ABI otherwise just FLAG_ELF_LIBC6.
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#
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diff --git a/elf/cache.c b/elf/cache.c
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index 9901952..699550b 100644
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--- a/elf/cache.c
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+++ b/elf/cache.c
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@@ -100,6 +100,10 @@ print_entry (const char *lib, int flag, unsigned int osversion,
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case FLAG_AARCH64_LIB64:
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fputs (",AArch64", stdout);
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break;
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+ /* Uses the ARM soft-float ABI. */
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+ case FLAG_ARM_LIBSF:
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+ fputs (",soft-float", stdout);
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+ break;
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case 0:
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break;
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default:
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diff --git a/ports/sysdeps/unix/sysv/linux/arm/dl-cache.h b/ports/sysdeps/unix/sysv/linux/arm/dl-cache.h
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index acc4f28..504feca 100644
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--- a/ports/sysdeps/unix/sysv/linux/arm/dl-cache.h
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+++ b/ports/sysdeps/unix/sysv/linux/arm/dl-cache.h
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@@ -18,12 +18,17 @@
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#include <ldconfig.h>
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+/* In order to support the transition from unmarked objects
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+ to marked objects we must treat unmarked objects as
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+ compatible with either FLAG_ARM_LIBHF or FLAG_ARM_LIBSF. */
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#ifdef __ARM_PCS_VFP
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# define _dl_cache_check_flags(flags) \
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- ((flags) == (FLAG_ARM_LIBHF | FLAG_ELF_LIBC6))
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+ ((flags) == (FLAG_ARM_LIBHF | FLAG_ELF_LIBC6) \
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+ || (flags) == FLAG_ELF_LIBC6)
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#else
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# define _dl_cache_check_flags(flags) \
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- ((flags) == FLAG_ELF_LIBC6)
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+ ((flags) == (FLAG_ARM_LIBSF | FLAG_ELF_LIBC6) \
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+ || (flags) == FLAG_ELF_LIBC6)
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#endif
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db7fd60 |
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db7fd60 |
#include_next <dl-cache.h>
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diff --git a/ports/sysdeps/unix/sysv/linux/arm/readelflib.c b/ports/sysdeps/unix/sysv/linux/arm/readelflib.c
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index 81e5ccb..3efb613 100644
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--- a/ports/sysdeps/unix/sysv/linux/arm/readelflib.c
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+++ b/ports/sysdeps/unix/sysv/linux/arm/readelflib.c
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@@ -46,6 +46,12 @@ process_elf_file (const char *file_name, const char *lib, int *flag,
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if (elf32_header->e_flags & EF_ARM_ABI_FLOAT_HARD)
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*flag = FLAG_ARM_LIBHF|FLAG_ELF_LIBC6;
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else if (elf32_header->e_flags & EF_ARM_ABI_FLOAT_SOFT)
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+ *flag = FLAG_ARM_LIBSF|FLAG_ELF_LIBC6;
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+ else
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+ /* We must assume the unmarked objects are compatible
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+ with all ABI variants. Such objects may have been
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+ generated in a transitional period when the ABI
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+ tags were not added to all objects. */
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db7fd60 |
*flag = FLAG_ELF_LIBC6;
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db7fd60 |
}
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db7fd60 |
}
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db7fd60 |
diff --git a/sysdeps/generic/ldconfig.h b/sysdeps/generic/ldconfig.h
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db7fd60 |
index 57a9a46..91190aa 100644
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db7fd60 |
--- a/sysdeps/generic/ldconfig.h
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db7fd60 |
+++ b/sysdeps/generic/ldconfig.h
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db7fd60 |
@@ -36,6 +36,7 @@
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db7fd60 |
#define FLAG_X8664_LIBX32 0x0800
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db7fd60 |
#define FLAG_ARM_LIBHF 0x0900
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db7fd60 |
#define FLAG_AARCH64_LIB64 0x0a00
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+#define FLAG_ARM_LIBSF 0x0b00
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db7fd60 |
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db7fd60 |
/* Name of auxiliary cache. */
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db7fd60 |
#define _PATH_LDCONFIG_AUX_CACHE "/var/cache/ldconfig/aux-cache"
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