diff options
Diffstat (limited to 'lib/libc/softfloat/softfloat-specialize')
| -rw-r--r-- | lib/libc/softfloat/softfloat-specialize | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/lib/libc/softfloat/softfloat-specialize b/lib/libc/softfloat/softfloat-specialize index 2daa90f..b5eb8c3 100644 --- a/lib/libc/softfloat/softfloat-specialize +++ b/lib/libc/softfloat/softfloat-specialize @@ -1,4 +1,4 @@ -/* $NetBSD: softfloat-specialize,v 1.3 2002/05/12 13:12:45 bjh21 Exp $ */ +/* $NetBSD: softfloat-specialize,v 1.6 2011/03/06 10:27:37 martin Exp $ */ /* $FreeBSD$ */ /* This is a derivative work. */ @@ -34,6 +34,8 @@ this code that are retained. */ #include <signal.h> +#include <string.h> +#include <unistd.h> /* ------------------------------------------------------------------------------- @@ -58,6 +60,9 @@ substitute a result value. If traps are not implemented, this routine should be simply `float_exception_flags |= flags;'. ------------------------------------------------------------------------------- */ +#ifdef SOFTFLOAT_FOR_GCC +#define float_exception_mask __softfloat_float_exception_mask +#endif int float_exception_mask = 0; void float_raise( int flags ) { @@ -65,9 +70,29 @@ void float_raise( int flags ) float_exception_flags |= flags; if ( flags & float_exception_mask ) { +#if 0 + siginfo_t info; + memset(&info, 0, sizeof info); + info.si_signo = SIGFPE; + info.si_pid = getpid(); + info.si_uid = geteuid(); + if (flags & float_flag_underflow) + info.si_code = FPE_FLTUND; + else if (flags & float_flag_overflow) + info.si_code = FPE_FLTOVF; + else if (flags & float_flag_divbyzero) + info.si_code = FPE_FLTDIV; + else if (flags & float_flag_invalid) + info.si_code = FPE_FLTINV; + else if (flags & float_flag_inexact) + info.si_code = FPE_FLTRES; + sigqueueinfo(getpid(), &info); +#else raise( SIGFPE ); +#endif } } +#undef float_exception_mask /* ------------------------------------------------------------------------------- @@ -108,7 +133,8 @@ Returns 1 if the single-precision floating-point value `a' is a signaling NaN; otherwise returns 0. ------------------------------------------------------------------------------- */ -#if defined(SOFTFLOAT_FOR_GCC) && !defined(SOFTFLOATSPARC64_FOR_GCC) +#if defined(SOFTFLOAT_FOR_GCC) && !defined(SOFTFLOATSPARC64_FOR_GCC) && \ + !defined(SOFTFLOAT_M68K_FOR_GCC) static #endif flag float32_is_signaling_nan( float32 a ) @@ -207,7 +233,8 @@ Returns 1 if the double-precision floating-point value `a' is a signaling NaN; otherwise returns 0. ------------------------------------------------------------------------------- */ -#if defined(SOFTFLOAT_FOR_GCC) && !defined(SOFTFLOATSPARC64_FOR_GCC) +#if defined(SOFTFLOAT_FOR_GCC) && !defined(SOFTFLOATSPARC64_FOR_GCC) && \ + !defined(SOFTFLOATM68K_FOR_GCC) static #endif flag float64_is_signaling_nan( float64 a ) |
