--- ports/sysdeps/alpha/dl-machine.h | 12 ++++++ ports/sysdeps/alpha/dl-procinfo.c | 64 +++++++++++++++++++++++++++++++++++ ports/sysdeps/alpha/dl-procinfo.h | 68 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 144 insertions(+) --- /dev/null +++ b/ports/sysdeps/alpha/dl-procinfo.h @@ -0,0 +1,68 @@ +/* Alpha version of processor capability information handling macros. + Copyright (C) 2007 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Aurelien Jarno , 2007. + + 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 5 + +static inline const char * +__attribute__ ((unused)) +_dl_platform_string (int idx) +{ + return GLRO(dl_alpha_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 */ --- /dev/null +++ b/ports/sysdeps/alpha/dl-procinfo.c @@ -0,0 +1,64 @@ +/* Data for Alpha version of processor capability information. + Copyright (C) 2007 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Aurelien Jarno , 2007. + + 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_alpha_platforms +#else +PROCINFO_CLASS const char _dl_alpha_platforms[5][5] +#endif +#ifndef PROCINFO_DECL += { + "ev4", "ev5", "ev56", "ev6", "ev67" + } +#endif +#if !defined SHARED || defined PROCINFO_DECL +; +#else +, +#endif + +#undef PROCINFO_DECL +#undef PROCINFO_CLASS --- a/ports/sysdeps/alpha/dl-machine.h +++ b/ports/sysdeps/alpha/dl-machine.h @@ -249,6 +249,18 @@ /* The alpha never uses Elf64_Rel relocations. */ #define ELF_MACHINE_NO_REL 1 +/* We define an initialization functions. 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; +} + /* Fix up the instructions of a PLT entry to invoke the function rather than the dynamic linker. */ static inline Elf64_Addr