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#
# Red Hat BZ:
# https://bugzilla.redhat.com/show_bug.cgi?id=905184
#
# Sourcware BZ:
# http://sourceware.org/bugzilla/show_bug.cgi?id=15006
#
# Upstream submission:
# http://www.sourceware.org/ml/libc-alpha/2013-02/msg00120.html
#
# ChangeLog
#
# 2013-02-07 Carlos O'Donell <carlos@redhat.com>
#
# * sysdeps/generic/ldconfig.h: Define FLAG_ARM_LIBSF.
# * elf/cache.c (print_entry): Add FLAG_ARM_LIBSF support.
#
# ports/ChangeLog.arm
#
# 2013-02-07 Carlos O'Donell <carlos@redhat.com>
#
# * sysdeps/unix/sysv/linux/arm/dl-cache.h
# [__ARM_PCS_VFP] (_dl_cache_check_flags): Allow plain FLAG_ELF_LIBC6.
# [!__ARM_PCS_VFP] (_dl_cache_check_flags): Likewise.
# * sysdeps/unix/sysv/linux/arm/readelflib.c (process_elf_file):
# Set FLAG_ARM_LIBSF for soft-float ABI otherwise just FLAG_ELF_LIBC6.
#
diff --git glibc-2.17-c758a686/elf/cache.c glibc-2.17-c758a686/elf/cache.c
index 9901952..699550b 100644
--- glibc-2.17-c758a686/elf/cache.c
+++ glibc-2.17-c758a686/elf/cache.c
@@ -100,6 +100,10 @@ print_entry (const char *lib, int flag, unsigned int osversion,
case FLAG_AARCH64_LIB64:
fputs (",AArch64", stdout);
break;
+ /* Uses the ARM soft-float ABI. */
+ case FLAG_ARM_LIBSF:
+ fputs (",soft-float", stdout);
+ break;
case 0:
break;
default:
diff --git glibc-2.17-c758a686/ports/sysdeps/unix/sysv/linux/arm/dl-cache.h glibc-2.17-c758a686/ports/sysdeps/unix/sysv/linux/arm/dl-cache.h
index acc4f28..504feca 100644
--- glibc-2.17-c758a686/ports/sysdeps/unix/sysv/linux/arm/dl-cache.h
+++ glibc-2.17-c758a686/ports/sysdeps/unix/sysv/linux/arm/dl-cache.h
@@ -18,12 +18,17 @@
#include <ldconfig.h>
+/* In order to support the transition from unmarked objects
+ to marked objects we must treat unmarked objects as
+ compatible with either FLAG_ARM_LIBHF or FLAG_ARM_LIBSF. */
#ifdef __ARM_PCS_VFP
# define _dl_cache_check_flags(flags) \
- ((flags) == (FLAG_ARM_LIBHF | FLAG_ELF_LIBC6))
+ ((flags) == (FLAG_ARM_LIBHF | FLAG_ELF_LIBC6) \
+ || (flags) == FLAG_ELF_LIBC6)
#else
# define _dl_cache_check_flags(flags) \
- ((flags) == FLAG_ELF_LIBC6)
+ ((flags) == (FLAG_ARM_LIBSF | FLAG_ELF_LIBC6) \
+ || (flags) == FLAG_ELF_LIBC6)
#endif
#include_next <dl-cache.h>
diff --git glibc-2.17-c758a686/ports/sysdeps/unix/sysv/linux/arm/readelflib.c glibc-2.17-c758a686/ports/sysdeps/unix/sysv/linux/arm/readelflib.c
index 81e5ccb..3efb613 100644
--- glibc-2.17-c758a686/ports/sysdeps/unix/sysv/linux/arm/readelflib.c
+++ glibc-2.17-c758a686/ports/sysdeps/unix/sysv/linux/arm/readelflib.c
@@ -46,6 +46,12 @@ process_elf_file (const char *file_name, const char *lib, int *flag,
if (elf32_header->e_flags & EF_ARM_ABI_FLOAT_HARD)
*flag = FLAG_ARM_LIBHF|FLAG_ELF_LIBC6;
else if (elf32_header->e_flags & EF_ARM_ABI_FLOAT_SOFT)
+ *flag = FLAG_ARM_LIBSF|FLAG_ELF_LIBC6;
+ else
+ /* We must assume the unmarked objects are compatible
+ with all ABI variants. Such objects may have been
+ generated in a transitional period when the ABI
+ tags were not added to all objects. */
*flag = FLAG_ELF_LIBC6;
}
}
diff --git glibc-2.17-c758a686/sysdeps/generic/ldconfig.h glibc-2.17-c758a686/sysdeps/generic/ldconfig.h
index 57a9a46..91190aa 100644
--- glibc-2.17-c758a686/sysdeps/generic/ldconfig.h
+++ glibc-2.17-c758a686/sysdeps/generic/ldconfig.h
@@ -36,6 +36,7 @@
#define FLAG_X8664_LIBX32 0x0800
#define FLAG_ARM_LIBHF 0x0900
#define FLAG_AARCH64_LIB64 0x0a00
+#define FLAG_ARM_LIBSF 0x0b00
/* Name of auxiliary cache. */
#define _PATH_LDCONFIG_AUX_CACHE "/var/cache/ldconfig/aux-cache"