diff options
Diffstat (limited to 'erts/emulator/sys/unix/sys_float.c')
| -rw-r--r-- | erts/emulator/sys/unix/sys_float.c | 53 |
1 files changed, 17 insertions, 36 deletions
diff --git a/erts/emulator/sys/unix/sys_float.c b/erts/emulator/sys/unix/sys_float.c index cafeab547e..89e2484b17 100644 --- a/erts/emulator/sys/unix/sys_float.c +++ b/erts/emulator/sys/unix/sys_float.c @@ -3,16 +3,17 @@ * * Copyright Ericsson AB 2001-2013. All Rights Reserved. * - * The contents of this file are subject to the Erlang Public License, - * Version 1.1, (the "License"); you may not use this file except in - * compliance with the License. You should have received a copy of the - * Erlang Public License along with this software. If not, it can be - * retrieved online at http://www.erlang.org/. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at * - * Software distributed under the License is distributed on an "AS IS" - * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See - * the License for the specific language governing rights and limitations - * under the License. + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. * * %CopyrightEnd% */ @@ -32,7 +33,7 @@ void erts_sys_init_float(void) { # ifdef SIGFPE - sys_sigset(SIGFPE, SIG_IGN); /* Ignore so we can test for NaN and Inf */ + sys_signal(SIGFPE, SIG_IGN); /* Ignore so we can test for NaN and Inf */ # endif } @@ -85,11 +86,11 @@ static void set_current_fp_exception(unsigned long pc) void erts_fp_check_init_error(volatile unsigned long *fpexnp) { - char buf[64]; + char buf[128]; snprintf(buf, sizeof buf, "ERTS_FP_CHECK_INIT at %p: detected unhandled FPE at %p\r\n", __builtin_return_address(0), (void*)*fpexnp); if (write(2, buf, strlen(buf)) <= 0) - erl_exit(ERTS_ABORT_EXIT, "%s", buf); + erts_exit(ERTS_ABORT_EXIT, "%s", buf); *fpexnp = 0; #if defined(__i386__) || defined(__x86_64__) erts_restore_fpu(); @@ -498,18 +499,8 @@ 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__) @@ -574,17 +565,7 @@ static void fpe_sig_action(int sig, siginfo_t *si, void *puc) regs[PT_FPSCR] = 0x80|0x40|0x10; /* VE, OE, ZE; not UE or XE */ #endif #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; @@ -667,7 +648,7 @@ static void fpe_sig_handler(int sig) static void erts_thread_catch_fp_exceptions(void) { - sys_sigset(SIGFPE, fpe_sig_handler); + sys_signal(SIGFPE, fpe_sig_handler); unmask_fpe(); } |