static void netbsd_init();
#endif /* __NetBSD__ */
+#ifdef __FreeBSD__
+#include <sys/sysctl.h>
+
+static void freebsd_init();
+#endif /* __FreeBSD__ */
+
void
os_init(char *argv[], char *envp[])
{
#ifdef __NetBSD__
netbsd_init();
#endif /* __NetBSD__ */
+#ifdef __FreeBSD__
+ freebsd_init();
+#endif /* __FreeBSD__ */
}
int *os_context_pc_addr(os_context_t *context)
if (addr == MAP_FAILED) {
perror("mmap");
- lose("unexpected mmap(..) failure");
+ lose("unexpected mmap(..) failure\n");
}
return addr;
SHOW("os_install_interrupt_handlers()/bsd-os/defined(GENCGC)");
undoably_install_low_level_interrupt_handler(SIG_MEMORY_FAULT,
memory_fault_handler);
+#ifdef SIG_MEMORY_FAULT2
+ undoably_install_low_level_interrupt_handler(SIG_MEMORY_FAULT2,
+ memory_fault_handler);
+#endif
SHOW("leaving os_install_interrupt_handlers()");
}
SHOW("os_install_interrupt_handlers()/bsd-os/!defined(GENCGC)");
undoably_install_low_level_interrupt_handler(SIG_MEMORY_FAULT,
sigsegv_handler);
+#ifdef SIG_MEMORY_FAULT2
+ undoably_install_low_level_interrupt_handler(SIG_MEMORY_FAULT2,
+ sigsegv_handler);
+#endif
}
#endif /* defined GENCGC */
}
}
#endif /* __NetBSD__ */
+
+#ifdef __FreeBSD__
+static void freebsd_init()
+{
+ /* Quote from sbcl-devel (NIIMI Satoshi): "Some OSes, like FreeBSD
+ * 4.x with GENERIC kernel, does not enable SSE support even on
+ * SSE capable CPUs". Detect this situation and skip the
+ * fast_bzero sse/base selection logic that's normally done in
+ * x86-assem.S.
+ */
+#ifdef LISP_FEATURE_X86
+ size_t len;
+ int instruction_sse;
+
+ len = sizeof(instruction_sse);
+ if (sysctlbyname("hw.instruction_sse", &instruction_sse, &len, NULL, 0) == 0
+ && instruction_sse != 0) {
+ /* Use the SSE detector */
+ fast_bzero_pointer = fast_bzero_detect;
+ }
+#endif /* LISP_FEATURE_X86 */
+}
+#endif /* __FreeBSD__ */
\f
/* threads */
return 1; /* success */
}
#endif
+
+#ifdef LISP_FEATURE_DARWIN
+/* defined in ppc-darwin-os.c instead */
+#elif defined(LISP_FEATURE_FREEBSD)
+char *
+os_get_runtime_executable_path()
+{
+ char path[PATH_MAX + 1];
+ /* Defined on FreeBSD 6 and later. -- JES, 2006-02-06. */
+#ifdef KERN_PROC_PATHNAME
+ size_t len = PATH_MAX + 1;
+ int mib[4];
+
+ mib[0] = CTL_KERN;
+ mib[1] = KERN_PROC;
+ mib[2] = KERN_PROC_PATHNAME;
+ mib[3] = -1;
+ if (sysctl(mib, 4, &path, &len, NULL, 0) != 0)
+ /* FIXME: Should we rather fall back into the /proc/-based
+ * code below, so that an SBCL executable core made on
+ * FreeBSD 6 would have at least some chance of working on
+ * FreeBSD 4? -- JES, 2006-02-06.
+ */
+ return NULL;
+#else
+ int size;
+ size = readlink("/proc/curproc/file", path, sizeof(path) - 1);
+ if (size < 0)
+ return NULL;
+ path[size] = '\0';
+ if (strcmp(path, "unknown") == 0)
+ return NULL;
+#endif
+ return copied_string(path);
+}
+#else /* Not DARWIN or FREEBSD */
+char *
+os_get_runtime_executable_path()
+{
+ return NULL;
+}
+#endif