From af7e376b00194ab84c222f25de12bd460a910345 Mon Sep 17 00:00:00 2001 From: Adhemerval Zanella Date: Thu, 1 Mar 2018 17:09:42 -0300 Subject: [PATCH] Consolidate alphasort{64} and versionsort{64} implementation This patch consolidates both alphasort{64} and versionsort{64} implementation on just the default dirent/alphasort{64}c and dirent/versionsort{64} respectively. It changes the logic to follow the conventions used on other code consolidation: * the non-LFS variant is only built for _DIRENT_MATCHES_DIRENT64 being 0. * the LFS variant is always built and aliased to getdents for ABIs that define _DIRENT_MATCHES_DIRENT64 to 1. Also on Linux the compat symbol for old non-LFS dirent64 definition requires a platform-specific scandir64.c. For powerpc32 and sparcv9 it requires to add specific arch-implementation to override the generic Linux one because neither ABI exports an compat symbol for non-LFS alphasort64 and versionsort64 variant. It is most likely a bug and it is also not one that can be fixed (in that there would be existing binaries expecting both meanings of that symbol at its single existing version, with binaries expecting the new meaning probably much more common than those expecting the original meaning of that symbol at that version). Checked on aarch64-linux-gnu, x86_64-linux-gnu, i686-linux-gnu, sparcv9-linux-gnu, sparc64-linux-gnu, powerpc-linux-gnu, and powerpc64le-linux-gnu. * dirent/alphasort.c (alphasort): Build iff _DIRENT_MATCHES_DIRENT64 is defined. * dirent/versionsort.c (versionsort): Likewise. * dirent/alphasort64.c (alphasort64): Build regardless and alias to alphasort if _DIRENT_MATCHES_DIRENT64 is defined. * dirent/versionsort64.c (versionsort64): Likewise. * sysdeps/unix/sysv/linux/i386/alphasort64.c: Remove file. * sysdeps/unix/sysv/linux/arm/alphasort64.c: Likewise. * sysdeps/unix/sysv/linux/arm/versionsort64.c: Likewise. * sysdeps/unix/sysv/linux/m68k/alphasort64.c: Likewise. * sysdeps/unix/sysv/linux/m68k/versionsort64.c: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/alphasort64.c: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/versionsort64.c: Likewise. * sysdeps/unix/sysv/linux/i386/versionsort64.c: Likewise. * sysdeps/unix/sysv/linux/alphasort64.c: New file. * sysdeps/unix/sysv/linux/versionsort64.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/alphasort64.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/versionsort64.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/alphasort64.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/versionsort64.c: Likewise. --- ChangeLog | 23 +++++++++++++++++++ dirent/alphasort.c | 13 ++--------- dirent/alphasort64.c | 7 +++--- dirent/versionsort.c | 12 ++-------- dirent/versionsort64.c | 7 +++--- .../unix/sysv/linux/{i386 => }/alphasort64.c | 22 +++++++++--------- sysdeps/unix/sysv/linux/arm/alphasort64.c | 1 - sysdeps/unix/sysv/linux/arm/versionsort64.c | 1 - sysdeps/unix/sysv/linux/m68k/alphasort64.c | 1 - sysdeps/unix/sysv/linux/m68k/versionsort64.c | 1 - .../linux/powerpc/powerpc32/alphasort64.c | 3 +++ .../linux/powerpc/powerpc32/versionsort64.c | 3 +++ .../sysv/linux/s390/s390-32/alphasort64.c | 1 - .../sysv/linux/s390/s390-32/versionsort64.c | 1 - .../sysv/linux/sparc/sparc32/alphasort64.c | 3 +++ .../sysv/linux/sparc/sparc32/versionsort64.c | 3 +++ .../sysv/linux/{i386 => }/versionsort64.c | 22 +++++++++--------- 17 files changed, 69 insertions(+), 55 deletions(-) rename sysdeps/unix/sysv/linux/{i386 => }/alphasort64.c (77%) delete mode 100644 sysdeps/unix/sysv/linux/arm/alphasort64.c delete mode 100644 sysdeps/unix/sysv/linux/arm/versionsort64.c delete mode 100644 sysdeps/unix/sysv/linux/m68k/alphasort64.c delete mode 100644 sysdeps/unix/sysv/linux/m68k/versionsort64.c create mode 100644 sysdeps/unix/sysv/linux/powerpc/powerpc32/alphasort64.c create mode 100644 sysdeps/unix/sysv/linux/powerpc/powerpc32/versionsort64.c delete mode 100644 sysdeps/unix/sysv/linux/s390/s390-32/alphasort64.c delete mode 100644 sysdeps/unix/sysv/linux/s390/s390-32/versionsort64.c create mode 100644 sysdeps/unix/sysv/linux/sparc/sparc32/alphasort64.c create mode 100644 sysdeps/unix/sysv/linux/sparc/sparc32/versionsort64.c rename sysdeps/unix/sysv/linux/{i386 => }/versionsort64.c (77%) diff --git a/ChangeLog b/ChangeLog index ef5c0359bb..ed025cc1d4 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,26 @@ +2018-04-23 Adhemerval Zanella + + * dirent/alphasort.c (alphasort): Build iff _DIRENT_MATCHES_DIRENT64 is + defined. + * dirent/versionsort.c (versionsort): Likewise. + * dirent/alphasort64.c (alphasort64): Build regardless and alias to + alphasort if _DIRENT_MATCHES_DIRENT64 is defined. + * dirent/versionsort64.c (versionsort64): Likewise. + * sysdeps/unix/sysv/linux/i386/alphasort64.c: Remove file. + * sysdeps/unix/sysv/linux/arm/alphasort64.c: Likewise. + * sysdeps/unix/sysv/linux/arm/versionsort64.c: Likewise. + * sysdeps/unix/sysv/linux/m68k/alphasort64.c: Likewise. + * sysdeps/unix/sysv/linux/m68k/versionsort64.c: Likewise. + * sysdeps/unix/sysv/linux/s390/s390-32/alphasort64.c: Likewise. + * sysdeps/unix/sysv/linux/s390/s390-32/versionsort64.c: Likewise. + * sysdeps/unix/sysv/linux/i386/versionsort64.c: Likewise. + * sysdeps/unix/sysv/linux/alphasort64.c: New file. + * sysdeps/unix/sysv/linux/versionsort64.c: Likewise. + * sysdeps/unix/sysv/linux/powerpc/powerpc32/alphasort64.c: Likewise. + * sysdeps/unix/sysv/linux/powerpc/powerpc32/versionsort64.c: Likewise. + * sysdeps/unix/sysv/linux/sparc/sparc32/alphasort64.c: Likewise. + * sysdeps/unix/sysv/linux/sparc/sparc32/versionsort64.c: Likewise. + 2018-04-23 Joseph Myers * elf/elf.h (NT_PPC_PKEY): New macro. diff --git a/dirent/alphasort.c b/dirent/alphasort.c index a6cd151bd1..6b2a70770d 100644 --- a/dirent/alphasort.c +++ b/dirent/alphasort.c @@ -15,23 +15,14 @@ License along with the GNU C Library; if not, see . */ -/* We need to avoid the header declaration of alphasort64, because - the types don't match alphasort and then the compiler will - complain about the mismatch when we do the alias below. */ -#define alphasort64 __renamed_alphasort64 - #include -#undef alphasort64 - -#include +#if !_DIRENT_MATCHES_DIRENT64 +# include int alphasort (const struct dirent **a, const struct dirent **b) { return strcoll ((*a)->d_name, (*b)->d_name); } - -#if _DIRENT_MATCHES_DIRENT64 -weak_alias (alphasort, alphasort64) #endif diff --git a/dirent/alphasort64.c b/dirent/alphasort64.c index 3a47a97bb5..b822333fca 100644 --- a/dirent/alphasort64.c +++ b/dirent/alphasort64.c @@ -15,16 +15,17 @@ License along with the GNU C Library; if not, see . */ +#define alphasort __no_alphasort_decl #include +#undef alphasort #include -/* alphasort.c defines alphasort64 as an alias if _DIRENT_MATCHES_DIRENT64. */ -#if !_DIRENT_MATCHES_DIRENT64 - int alphasort64 (const struct dirent64 **a, const struct dirent64 **b) { return strcoll ((*a)->d_name, (*b)->d_name); } +#if _DIRENT_MATCHES_DIRENT64 +weak_alias (alphasort64, alphasort) #endif diff --git a/dirent/versionsort.c b/dirent/versionsort.c index 5ec15e83e9..ca38c2dc03 100644 --- a/dirent/versionsort.c +++ b/dirent/versionsort.c @@ -15,16 +15,10 @@ License along with the GNU C Library; if not, see . */ -/* We need to avoid the header declaration of versionsort64, because - the types don't match versionsort and then the compiler will - complain about the mismatch when we do the alias below. */ -#define versionsort64 __renamed_versionsort64 - #include -#undef versionsort64 - -#include +#if !_DIRENT_MATCHES_DIRENT64 +# include int versionsort (const struct dirent **a, const struct dirent **b) @@ -32,6 +26,4 @@ versionsort (const struct dirent **a, const struct dirent **b) return __strverscmp ((*a)->d_name, (*b)->d_name); } -#if _DIRENT_MATCHES_DIRENT64 -weak_alias (versionsort, versionsort64) #endif diff --git a/dirent/versionsort64.c b/dirent/versionsort64.c index 7689c268a5..8f47e609d0 100644 --- a/dirent/versionsort64.c +++ b/dirent/versionsort64.c @@ -15,16 +15,17 @@ License along with the GNU C Library; if not, see . */ +#define versionsort __no_versionsort_decl #include +#undef versionsort #include -/* versionsort.c defines a versionsort64 alias if _DIRENT_MATCHES_DIRENT64. */ -#if !_DIRENT_MATCHES_DIRENT64 - int versionsort64 (const struct dirent64 **a, const struct dirent64 **b) { return __strverscmp ((*a)->d_name, (*b)->d_name); } +#if !_DIRENT_MATCHES_DIRENT64 +weak_alias (versionsort64, versionsort) #endif diff --git a/sysdeps/unix/sysv/linux/i386/alphasort64.c b/sysdeps/unix/sysv/linux/alphasort64.c similarity index 77% rename from sysdeps/unix/sysv/linux/i386/alphasort64.c rename to sysdeps/unix/sysv/linux/alphasort64.c index ee3b00b70b..7bacdff561 100644 --- a/sysdeps/unix/sysv/linux/i386/alphasort64.c +++ b/sysdeps/unix/sysv/linux/alphasort64.c @@ -15,7 +15,9 @@ License along with the GNU C Library; if not, see . */ +#define alphasort __no_alphasort_decl #include +#undef alphasort #include int @@ -24,17 +26,14 @@ __alphasort64 (const struct dirent64 **a, const struct dirent64 **b) return strcoll ((*a)->d_name, (*b)->d_name); } -#include - +#if _DIRENT_MATCHES_DIRENT64 +weak_alias (__alphasort64, alphasort64) +weak_alias (__alphasort64, alphasort) +#else +# include versioned_symbol (libc, __alphasort64, alphasort64, GLIBC_2_2); - -#if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2) - -#include - -int -__old_alphasort64 (const struct __old_dirent64 **a, - const struct __old_dirent64 **b); +# if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2) +# include int attribute_compat_text_section @@ -45,4 +44,5 @@ __old_alphasort64 (const struct __old_dirent64 **a, } compat_symbol (libc, __old_alphasort64, alphasort64, GLIBC_2_1); -#endif +# endif /* SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2) */ +#endif /* _DIRENT_MATCHES_DIRENT64 */ diff --git a/sysdeps/unix/sysv/linux/arm/alphasort64.c b/sysdeps/unix/sysv/linux/arm/alphasort64.c deleted file mode 100644 index 0b5ae47d2f..0000000000 --- a/sysdeps/unix/sysv/linux/arm/alphasort64.c +++ /dev/null @@ -1 +0,0 @@ -#include diff --git a/sysdeps/unix/sysv/linux/arm/versionsort64.c b/sysdeps/unix/sysv/linux/arm/versionsort64.c deleted file mode 100644 index 144b691e56..0000000000 --- a/sysdeps/unix/sysv/linux/arm/versionsort64.c +++ /dev/null @@ -1 +0,0 @@ -#include diff --git a/sysdeps/unix/sysv/linux/m68k/alphasort64.c b/sysdeps/unix/sysv/linux/m68k/alphasort64.c deleted file mode 100644 index 0b5ae47d2f..0000000000 --- a/sysdeps/unix/sysv/linux/m68k/alphasort64.c +++ /dev/null @@ -1 +0,0 @@ -#include diff --git a/sysdeps/unix/sysv/linux/m68k/versionsort64.c b/sysdeps/unix/sysv/linux/m68k/versionsort64.c deleted file mode 100644 index 144b691e56..0000000000 --- a/sysdeps/unix/sysv/linux/m68k/versionsort64.c +++ /dev/null @@ -1 +0,0 @@ -#include diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/alphasort64.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/alphasort64.c new file mode 100644 index 0000000000..c7de3a7547 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/alphasort64.c @@ -0,0 +1,3 @@ +/* Although powerpc32 define _DIRENT_MATCHES_DIRENT64=0 and have compat + mode for 2.1, it does have a compat symbol for alphasort64. */ +#include diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/versionsort64.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/versionsort64.c new file mode 100644 index 0000000000..ee0e86672d --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/versionsort64.c @@ -0,0 +1,3 @@ +/* Although powerpc32 define _DIRENT_MATCHES_DIRENT64=0 and have compat + mode for 2.1, it does have a compat symbol for alphasort64. */ +#include diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/alphasort64.c b/sysdeps/unix/sysv/linux/s390/s390-32/alphasort64.c deleted file mode 100644 index 0b5ae47d2f..0000000000 --- a/sysdeps/unix/sysv/linux/s390/s390-32/alphasort64.c +++ /dev/null @@ -1 +0,0 @@ -#include diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/versionsort64.c b/sysdeps/unix/sysv/linux/s390/s390-32/versionsort64.c deleted file mode 100644 index 144b691e56..0000000000 --- a/sysdeps/unix/sysv/linux/s390/s390-32/versionsort64.c +++ /dev/null @@ -1 +0,0 @@ -#include diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/alphasort64.c b/sysdeps/unix/sysv/linux/sparc/sparc32/alphasort64.c new file mode 100644 index 0000000000..39700869fc --- /dev/null +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/alphasort64.c @@ -0,0 +1,3 @@ +/* Although sparc32 define _DIRENT_MATCHES_DIRENT64=0 and have compat + mode for 2.1, it does have a compat symbol for alphasort64. */ +#include diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/versionsort64.c b/sysdeps/unix/sysv/linux/sparc/sparc32/versionsort64.c new file mode 100644 index 0000000000..b195442ce1 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/versionsort64.c @@ -0,0 +1,3 @@ +/* Although sparc32 define _DIRENT_MATCHES_DIRENT64=0 and have compat + mode for 2.1, it does have a compat symbol for alphasort64. */ +#include diff --git a/sysdeps/unix/sysv/linux/i386/versionsort64.c b/sysdeps/unix/sysv/linux/versionsort64.c similarity index 77% rename from sysdeps/unix/sysv/linux/i386/versionsort64.c rename to sysdeps/unix/sysv/linux/versionsort64.c index 1777eb297f..a3a3a6655a 100644 --- a/sysdeps/unix/sysv/linux/i386/versionsort64.c +++ b/sysdeps/unix/sysv/linux/versionsort64.c @@ -15,7 +15,9 @@ License along with the GNU C Library; if not, see . */ +#define versionsort __no_versionsort_decl #include +#undef versionsort #include int @@ -24,17 +26,14 @@ __versionsort64 (const struct dirent64 **a, const struct dirent64 **b) return __strverscmp ((*a)->d_name, (*b)->d_name); } -#include - +#if _DIRENT_MATCHES_DIRENT64 +weak_alias (__versionsort64, versionsort64) +weak_alias (__versionsort64, versionsort) +#else +# include versioned_symbol (libc, __versionsort64, versionsort64, GLIBC_2_2); - -#if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2) - -#include - -int -__old_versionsort64 (const struct __old_dirent64 **a, - const struct __old_dirent64 **b); +# if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2) +# include int attribute_compat_text_section @@ -45,4 +44,5 @@ __old_versionsort64 (const struct __old_dirent64 **a, } compat_symbol (libc, __old_versionsort64, versionsort64, GLIBC_2_1); -#endif +# endif /* SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2) */ +#endif /* _DIRENT_MATCHES_DIRENT64 */