diff options
Diffstat (limited to 'sysdeps/powerpc/dl-procinfo.h')
| -rw-r--r-- | sysdeps/powerpc/dl-procinfo.h | 73 |
1 files changed, 60 insertions, 13 deletions
diff --git a/sysdeps/powerpc/dl-procinfo.h b/sysdeps/powerpc/dl-procinfo.h index 8edc5e539a..f63da6d555 100644 --- a/sysdeps/powerpc/dl-procinfo.h +++ b/sysdeps/powerpc/dl-procinfo.h @@ -1,5 +1,5 @@ /* Processor capability information handling macros. PowerPC version. - Copyright (C) 2005 Free Software Foundation, Inc. + Copyright (C) 2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -23,27 +23,33 @@ #include <ldsodefs.h> #include <sysdep.h> /* This defines the PPC_FEATURE_* macros. */ -/* There are 16 bits used, but they are bits 16..31. */ -#define _DL_HWCAP_FIRST 16 +/* There are 20 bits used, but they are bits 12..31. */ +#define _DL_HWCAP_FIRST 12 #define _DL_HWCAP_COUNT 32 /* These bits influence library search. */ -#define HWCAP_IMPORTANT (PPC_FEATURE_HAS_ALTIVEC \ - | PPC_FEATURE_POWER4 \ - | PPC_FEATURE_POWER5 \ - | PPC_FEATURE_POWER5_PLUS \ - | PPC_FEATURE_CELL) +#define HWCAP_IMPORTANT (PPC_FEATURE_HAS_ALTIVEC) -/* We don't use AT_PLATFORM. */ -#define _DL_HWCAP_PLATFORM 0 -#define _dl_string_platform(str) (-1) +#define _DL_PLATFORMS_COUNT 6 + +#define _DL_FIRST_PLATFORM 32 +/* Mask to filter out platforms. */ +#define _DL_HWCAP_PLATFORM (((1ULL << _DL_PLATFORMS_COUNT) - 1) \ + << _DL_FIRST_PLATFORM) static inline const char * __attribute__ ((unused)) _dl_hwcap_string (int idx) { return GLRO(dl_powerpc_cap_flags)[idx - _DL_HWCAP_FIRST]; -}; +} + +static inline const char * +__attribute__ ((unused)) +_dl_platform_string (int idx) +{ + return GLRO(dl_powerpc_platforms)[idx - _DL_FIRST_PLATFORM]; +} static inline int __attribute__ ((unused)) @@ -53,7 +59,48 @@ _dl_string_hwcap (const char *str) if (strcmp (str, _dl_hwcap_string (i)) == 0) return i; return -1; -}; +} + +static inline int +__attribute__ ((unused, always_inline)) +_dl_string_platform (const char *str) +{ + if (str == NULL) + return -1; + + if (strncmp (str, GLRO(dl_powerpc_platforms)[0], 5) == 0) + { + int ret; + str += 5; + switch (*str) + { + case '4': + ret = _DL_FIRST_PLATFORM + 0; + break; + case '5': + ret = _DL_FIRST_PLATFORM + 2; + if (str[1] == '+') + ++ret, ++str; + break; + case '6': + ret = _DL_FIRST_PLATFORM + 4; + break; + default: + return -1; + } + if (str[1] == '\0') + return ret; + } + else if (strncmp (str, GLRO(dl_powerpc_platforms)[1], 3) == 0) + { + if (strcmp (str + 3, GLRO(dl_powerpc_platforms)[1] + 3) == 0) + return _DL_FIRST_PLATFORM + 1; + else if (strcmp (str + 3, GLRO(dl_powerpc_platforms)[5] + 3) == 0) + return _DL_FIRST_PLATFORM + 5; + } + + return -1; +} #ifdef IS_IN_rtld static inline int |