From: Robert Millan Date: Wed, 15 Feb 2012 22:20:07 +0000 (+0000) Subject: Add dl-procinfo support for MIPS. X-Git-Tag: upstream/2.20~3636^2~268 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=87ae60cc22347daab652864dd01c966f774f7729;p=platform%2Fupstream%2Flinaro-glibc.git Add dl-procinfo support for MIPS. --- diff --git a/ChangeLog.mips b/ChangeLog.mips index 0453f36..da5b93e 100644 --- a/ChangeLog.mips +++ b/ChangeLog.mips @@ -1,3 +1,10 @@ +2012-02-15 Robert Millan + + * sysdeps/mips/dl-machine.h (DL_PLATFORM_INIT, dl_platform_init): + Define. + * sysdeps/mips/dl-procinfo.c: New file. + * sysdeps/mips/dl-procinfo.h: Likewise. + 2012-02-15 Joseph Myers * sysdeps/unix/sysv/linux/mips/bits/signalfd.h: New file. diff --git a/sysdeps/mips/dl-machine.h b/sysdeps/mips/dl-machine.h index 3e1d402..38470d1 100644 --- a/sysdeps/mips/dl-machine.h +++ b/sysdeps/mips/dl-machine.h @@ -1,6 +1,5 @@ /* Machine-dependent ELF dynamic relocation inline functions. MIPS version. - Copyright (C) 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2011 - Free Software Foundation, Inc. + Copyright (C) 1996-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Kazumoto Kojima . @@ -296,6 +295,18 @@ do { \ # define ARCH_LA_PLTEXIT mips_n64_gnu_pltexit # endif +/* We define an initialization function. This is called very early in + _dl_sysdep_start. */ +#define DL_PLATFORM_INIT dl_platform_init () + +static inline void __attribute__ ((unused)) +dl_platform_init (void) +{ + if (GLRO(dl_platform) != NULL && *GLRO(dl_platform) == '\0') + /* Avoid an empty string which would disturb us. */ + GLRO(dl_platform) = NULL; +} + /* For a non-writable PLT, rewrite the .got.plt entry at RELOC_ADDR to point at the symbol with address VALUE. For a writable PLT, rewrite the corresponding PLT entry instead. */ diff --git a/sysdeps/mips/dl-procinfo.c b/sysdeps/mips/dl-procinfo.c new file mode 100644 index 0000000..3e8a4fb --- /dev/null +++ b/sysdeps/mips/dl-procinfo.c @@ -0,0 +1,64 @@ +/* Data for Mips version of processor capability information. + Copyright (C) 2007-2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Robert Millan . + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* This information must be kept in sync with the _DL_PLATFORM_COUNT + definitions in procinfo.h. + + If anything should be added here check whether the size of each string + is still ok with the given array size. + + All the #ifdefs in the definitions are quite irritating but + necessary if we want to avoid duplicating the information. There + are three different modes: + + - PROCINFO_DECL is defined. This means we are only interested in + declarations. + + - PROCINFO_DECL is not defined: + + + if SHARED is defined the file is included in an array + initializer. The .element = { ... } syntax is needed. + + + if SHARED is not defined a normal array initialization is + needed. + */ + +#ifndef PROCINFO_CLASS +#define PROCINFO_CLASS +#endif + +#if !defined PROCINFO_DECL && defined SHARED + ._dl_mips_platforms +#else +PROCINFO_CLASS const char _dl_mips_platforms[4][11] +#endif +#ifndef PROCINFO_DECL += { + "loongson2e", "loongson2f", "octeon", "octeon2" + } +#endif +#if !defined SHARED || defined PROCINFO_DECL +; +#else +, +#endif + +#undef PROCINFO_DECL +#undef PROCINFO_CLASS diff --git a/sysdeps/mips/dl-procinfo.h b/sysdeps/mips/dl-procinfo.h new file mode 100644 index 0000000..35f7fb7 --- /dev/null +++ b/sysdeps/mips/dl-procinfo.h @@ -0,0 +1,68 @@ +/* Mips version of processor capability information handling macros. + Copyright (C) 2007-2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Robert Millan . + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _DL_PROCINFO_H +#define _DL_PROCINFO_H 1 + +#include + + +/* Mask to filter out platforms. */ +#define _DL_HWCAP_PLATFORM (-1ULL) + +#define _DL_PLATFORMS_COUNT 1 + +static inline const char * +__attribute__ ((unused)) +_dl_platform_string (int idx) +{ + return GLRO(dl_mips_platforms)[idx]; +}; + +static inline int +__attribute__ ((unused, always_inline)) +_dl_string_platform (const char *str) +{ + int i; + + if (str != NULL) + for (i = 0; i < _DL_PLATFORMS_COUNT; ++i) + { + if (strcmp (str, _dl_platform_string (i)) == 0) + return i; + } + return -1; +}; + +/* We cannot provide a general printing function. */ +#define _dl_procinfo(word) -1 + +/* There are no hardware capabilities defined. */ +#define _dl_hwcap_string(idx) "" + +/* By default there is no important hardware capability. */ +#define HWCAP_IMPORTANT (0) + +/* We don't have any hardware capabilities. */ +#define _DL_HWCAP_COUNT 0 + +#define _dl_string_hwcap(str) (-1) + +#endif /* dl-procinfo.h */