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| author | nwhitehorn <nwhitehorn@FreeBSD.org> | 2016-02-26 20:38:23 +0000 |
|---|---|---|
| committer | nwhitehorn <nwhitehorn@FreeBSD.org> | 2016-02-26 20:38:23 +0000 |
| commit | f300000fe3f8618c02619b391a7461449830742e (patch) | |
| tree | f156c494d5b9165579ab97397af3b44bc43bb3ca | |
| parent | ae5b785c597d6b9957bf7fe6abf6e6ad6392eda2 (diff) | |
| download | FreeBSD-src-f300000fe3f8618c02619b391a7461449830742e.zip FreeBSD-src-f300000fe3f8618c02619b391a7461449830742e.tar.gz | |
Make unions in PowerPC libc endian-safe.
| -rw-r--r-- | lib/libc/powerpc/_fpmath.h | 7 | ||||
| -rw-r--r-- | lib/libc/powerpc/gen/infinity.c | 17 | ||||
| -rw-r--r-- | lib/libc/powerpc64/_fpmath.h | 7 | ||||
| -rw-r--r-- | lib/libc/powerpc64/gen/infinity.c | 17 |
4 files changed, 44 insertions, 4 deletions
diff --git a/lib/libc/powerpc/_fpmath.h b/lib/libc/powerpc/_fpmath.h index 6d80eb4..4b7971e 100644 --- a/lib/libc/powerpc/_fpmath.h +++ b/lib/libc/powerpc/_fpmath.h @@ -29,10 +29,17 @@ union IEEEl2bits { long double e; struct { +#if _BYTE_ORDER == _LITTLE_ENDIAN + unsigned int manl :32; + unsigned int manh :20; + unsigned int exp :11; + unsigned int sign :1; +#else /* _BYTE_ORDER == _LITTLE_ENDIAN */ unsigned int sign :1; unsigned int exp :11; unsigned int manh :20; unsigned int manl :32; +#endif } bits; }; diff --git a/lib/libc/powerpc/gen/infinity.c b/lib/libc/powerpc/gen/infinity.c index cf1695e..f532438 100644 --- a/lib/libc/powerpc/gen/infinity.c +++ b/lib/libc/powerpc/gen/infinity.c @@ -11,7 +11,20 @@ __FBSDID("$FreeBSD$"); #include <math.h> /* bytes for +Infinity on powerpc */ -const union __infinity_un __infinity = { { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 } }; +const union __infinity_un __infinity = { +#if BYTE_ORDER == BIG_ENDIAN + { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 } +#else + { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f } +#endif +}; /* bytes for NaN */ -const union __nan_un __nan = { { 0xff, 0xc0, 0, 0 } }; +const union __nan_un __nan = { +#if BYTE_ORDER == BIG_ENDIAN + {0xff, 0xc0, 0, 0} +#else + { 0, 0, 0xc0, 0xff } +#endif +}; + diff --git a/lib/libc/powerpc64/_fpmath.h b/lib/libc/powerpc64/_fpmath.h index 6d80eb4..4b7971e 100644 --- a/lib/libc/powerpc64/_fpmath.h +++ b/lib/libc/powerpc64/_fpmath.h @@ -29,10 +29,17 @@ union IEEEl2bits { long double e; struct { +#if _BYTE_ORDER == _LITTLE_ENDIAN + unsigned int manl :32; + unsigned int manh :20; + unsigned int exp :11; + unsigned int sign :1; +#else /* _BYTE_ORDER == _LITTLE_ENDIAN */ unsigned int sign :1; unsigned int exp :11; unsigned int manh :20; unsigned int manl :32; +#endif } bits; }; diff --git a/lib/libc/powerpc64/gen/infinity.c b/lib/libc/powerpc64/gen/infinity.c index cf1695e..f532438 100644 --- a/lib/libc/powerpc64/gen/infinity.c +++ b/lib/libc/powerpc64/gen/infinity.c @@ -11,7 +11,20 @@ __FBSDID("$FreeBSD$"); #include <math.h> /* bytes for +Infinity on powerpc */ -const union __infinity_un __infinity = { { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 } }; +const union __infinity_un __infinity = { +#if BYTE_ORDER == BIG_ENDIAN + { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 } +#else + { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f } +#endif +}; /* bytes for NaN */ -const union __nan_un __nan = { { 0xff, 0xc0, 0, 0 } }; +const union __nan_un __nan = { +#if BYTE_ORDER == BIG_ENDIAN + {0xff, 0xc0, 0, 0} +#else + { 0, 0, 0xc0, 0xff } +#endif +}; + |
