Add support for NetBSD

These are the current NetBSD pkgsrc patches.

3 files changed, 36 insertions, 4 deletions

diff --git a/erts/emulator/hipe/hipe_x86_signal.c b/erts/emulator/hipe/hipe_x86_signal.c
index a4fff4ce31..0c61e7bf96 100644
--- a/erts/emulator/hipe/hipe_x86_signal.c
+++ b/erts/emulator/hipe/hipe_x86_signal.c
@@ -195,7 +195,7 @@ static void do_init(void)
 #define INIT()	do { if (!init_done()) do_init(); } while (0)
 #endif /* __DARWIN__ */
 
-#if !defined(__GLIBC__) && !defined(__DARWIN__)
+#if !defined(__GLIBC__) && !defined(__DARWIN__) && !defined(__NetBSD__)
 /*
  * Assume Solaris/x86 2.8.
  * There is a number of sigaction() procedures in libc:
@@ -231,6 +231,7 @@ static void do_init(void)
 #define INIT()	do { if (!init_done()) do_init(); } while (0)
 #endif	/* not glibc or darwin */
 
+#if !defined(__NetBSD__)
 /*
  * This is our wrapper for sigaction(). sigaction() can be called before
  * hipe_signal_init() has been executed, especially when threads support
@@ -253,7 +254,7 @@ static int my_sigaction(int signum, const struct sigaction *act, struct sigactio
     }
     return __next_sigaction(signum, act, oldact);
 }
-
+#endif
 /*
  * This overrides the C library's core sigaction() procedure, catching
  * all its internal calls.
@@ -268,7 +269,7 @@ int __SIGACTION(int signum, const struct sigaction *act, struct sigaction *oldac
 /*
  * This catches the application's own sigaction() calls.
  */
-#if !defined(__DARWIN__)
+#if !defined(__DARWIN__) && !defined(__NetBSD__)
 int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact)
 {
     return my_sigaction(signum, act, oldact);
@@ -326,7 +327,9 @@ void hipe_signal_init(void)
     struct sigaction sa;
     int i;
 
+#ifndef __NetBSD__
     INIT();
+#endif
 
     hipe_sigaltstack_init();
 
diff --git a/erts/emulator/sys/common/erl_mseg.c b/erts/emulator/sys/common/erl_mseg.c
index 1c4c37b01a..b1ee165489 100644
--- a/erts/emulator/sys/common/erl_mseg.c
+++ b/erts/emulator/sys/common/erl_mseg.c
@@ -382,6 +382,14 @@ mseg_recreate(void *old_seg, Uint old_size, Uint new_size)
      new_seg = (void *) pmremap((void *) old_seg,
 				(size_t) old_size,
 				(size_t) new_size);
+#elif defined(__NetBSD__)
+    new_seg = (void *) mremap((void *) old_seg,
+			      (size_t) old_size,
+			      NULL,
+			      (size_t) new_size,
+			      0);
+    if (new_seg == (void *) MAP_FAILED)
+	new_seg = NULL;
 #else
     new_seg = (void *) mremap((void *) old_seg,
 			      (size_t) old_size,
diff --git a/erts/emulator/sys/unix/sys_float.c b/erts/emulator/sys/unix/sys_float.c
index c59c99f65e..1ce81f8716 100644
--- a/erts/emulator/sys/unix/sys_float.c
+++ b/erts/emulator/sys/unix/sys_float.c
@@ -476,7 +476,7 @@ static int mask_fpe(void)
 
 #endif
 
-#if (defined(__linux__) && (defined(__i386__) || defined(__x86_64__) || defined(__sparc__) || defined(__powerpc__))) || (defined(__DARWIN__) && (defined(__i386__) || defined(__x86_64__) || defined(__ppc__))) || (defined(__FreeBSD__) && (defined(__x86_64__) || defined(__i386__))) || (defined(__OpenBSD__) && defined(__x86_64__)) || (defined(__sun__) && defined(__x86_64__))
+#if (defined(__linux__) && (defined(__i386__) || defined(__x86_64__) || defined(__sparc__) || defined(__powerpc__))) || (defined(__DARWIN__) && (defined(__i386__) || defined(__x86_64__) || defined(__ppc__))) || (defined(__FreeBSD__) && (defined(__x86_64__) || defined(__i386__))) || ((defined(__NetBSD__) || defined(__OpenBSD__)) && defined(__x86_64__)) || (defined(__sun__) && defined(__x86_64__))
 
 #if defined(__linux__) && defined(__i386__)
 #if !defined(X86_FXSR_MAGIC)
@@ -519,6 +519,10 @@ static int mask_fpe(void)
 #define mc_pc(mc)	((mc)->mc_rip)
 #elif defined(__FreeBSD__) && defined(__i386__)
 #define mc_pc(mc)	((mc)->mc_eip)
+#elif defined(__NetBSD__) && defined(__x86_64__)
+#define mc_pc(mc)	((mc)->__gregs[_REG_RIP])
+#elif defined(__NetBSD__) && defined(__i386__)
+#define mc_pc(mc)	((mc)->__gregs[_REG_EIP])
 #elif defined(__OpenBSD__) && defined(__x86_64__)
 #define mc_pc(mc)	((mc)->sc_rip)
 #elif defined(__sun__) && defined(__x86_64__)
@@ -610,6 +614,23 @@ static void fpe_sig_action(int sig, siginfo_t *si, void *puc)
 	struct env87 *env87 = &savefpu->sv_87.sv_env;
 	env87->en_sw &= ~0xFF;
     }
+#elif defined(__NetBSD__) && defined(__x86_64__)
+    mcontext_t *mc = &uc->uc_mcontext;
+    struct fxsave64 *fxsave = (struct fxsave64 *)&mc->__fpregs;
+    pc = mc_pc(mc);
+    fxsave->fx_mxcsr = 0x1F80;
+    fxsave->fx_fsw &= ~0xFF;
+#elif defined(__NetBSD__) && defined(__i386__)
+    mcontext_t *mc = &uc->uc_mcontext;
+    pc = mc_pc(mc);
+    if (uc->uc_flags & _UC_FXSAVE) {
+	struct envxmm *envxmm = (struct envxmm *)&mc->__fpregs;
+	envxmm->en_mxcsr = 0x1F80;
+	envxmm->en_sw &= ~0xFF;
+    } else {
+	struct env87 *env87 = (struct env87 *)&mc->__fpregs;
+	env87->en_sw &= ~0xFF;
+    }
 #elif defined(__OpenBSD__) && defined(__x86_64__)
     struct fxsave64 *fxsave = uc->sc_fpstate;
     pc = mc_pc(uc);