# # 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 # # * 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 # # * 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 +/* 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 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"