diff options
Diffstat (limited to 'erts/emulator/sys/unix/sys_float.c')
| -rw-r--r-- | erts/emulator/sys/unix/sys_float.c | 33 |
1 files changed, 4 insertions, 29 deletions
diff --git a/erts/emulator/sys/unix/sys_float.c b/erts/emulator/sys/unix/sys_float.c index 2ac35624fa..6435da086f 100644 --- a/erts/emulator/sys/unix/sys_float.c +++ b/erts/emulator/sys/unix/sys_float.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2001-2013. All Rights Reserved. + * Copyright Ericsson AB 2001-2016. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -493,18 +493,8 @@ static int mask_fpe(void) #define mc_pc(mc) ((mc)->gregs[REG_RIP]) #elif defined(__linux__) && defined(__i386__) #define mc_pc(mc) ((mc)->gregs[REG_EIP]) -#elif defined(__DARWIN__) && defined(__i386__) -#ifdef DARWIN_MODERN_MCONTEXT -#define mc_pc(mc) ((mc)->__ss.__eip) -#else -#define mc_pc(mc) ((mc)->ss.eip) -#endif -#elif defined(__DARWIN__) && defined(__x86_64__) -#ifdef DARWIN_MODERN_MCONTEXT -#define mc_pc(mc) ((mc)->__ss.__rip) -#else -#define mc_pc(mc) ((mc)->ss.rip) -#endif +#elif defined(__DARWIN__) +# error "Floating-point exceptions not supported on MacOS X" #elif defined(__FreeBSD__) && defined(__x86_64__) #define mc_pc(mc) ((mc)->mc_rip) #elif defined(__FreeBSD__) && defined(__i386__) @@ -567,17 +557,7 @@ static void fpe_sig_action(int sig, siginfo_t *si, void *puc) regs[PT_NIP] += 4; regs[PT_FPSCR] = 0x80|0x40|0x10; /* VE, OE, ZE; not UE or XE */ #elif defined(__DARWIN__) && (defined(__i386__) || defined(__x86_64__)) -#ifdef DARWIN_MODERN_MCONTEXT - mcontext_t mc = uc->uc_mcontext; - pc = mc_pc(mc); - mc->__fs.__fpu_mxcsr = 0x1F80; - *(unsigned short *)&mc->__fs.__fpu_fsw &= ~0xFF; -#else - mcontext_t mc = uc->uc_mcontext; - pc = mc_pc(mc); - mc->fs.fpu_mxcsr = 0x1F80; - *(unsigned short *)&mc->fs.fpu_fsw &= ~0xFF; -#endif /* DARWIN_MODERN_MCONTEXT */ +# error "Floating-point exceptions not supported on MacOS X" #elif defined(__DARWIN__) && defined(__ppc__) mcontext_t mc = uc->uc_mcontext; pc = mc->ss.srr0; @@ -831,11 +811,6 @@ sys_chars_to_double(char* buf, double* fp) int matherr(struct exception *exc) { -#if !defined(NO_FPE_SIGNALS) - volatile unsigned long *fpexnp = erts_get_current_fp_exception(); - if (fpexnp != NULL) - *fpexnp = (unsigned long)__builtin_return_address(0); -#endif return 1; } |