#include "validate.h"
#include "target-arch-os.h"
+#ifdef LISP_FEATURE_X86
+#include "genesis/static-symbols.h"
+#include "genesis/fdefn.h"
+#endif
+
+#ifdef LISP_FEATURE_GENCGC
+#include "gencgc-internal.h"
+#endif
+
+#if defined LISP_FEATURE_SPARC
#define OS_VM_DEFAULT_PAGESIZE 8192
+#elif defined LISP_FEATURE_X86
+#define OS_VM_DEFAULT_PAGESIZE 4096
+#else
+#error "Don't know OS_VM_DEFAULT_PAGESIZE"
+#endif
long os_vm_page_size=(-1);
static long os_real_page_size=(-1);
int KLUDGE_MAYBE_MAP_ANON = 0x0;
int kludge_mmap_fd = -1; /* default for MAP_ANON */
-void os_init(void)
+void
+os_init(char *argv[], char *envp[])
{
struct utsname name;
int major_version;
uname(&name);
major_version = atoi(name.release);
if (major_version != 5) {
- lose("sunos major version=%d (which isn't 5!)", major_version);
+ lose("sunos major version=%d (which isn't 5!)\n", major_version);
}
minor_version = atoi(name.release+2);
- if ((minor_version == 8) ||
- (minor_version == 9) ||
- (minor_version == 10)) {
- KLUDGE_MAYBE_MAP_ANON = 0x100;
- } else if (minor_version > 10) {
- FSHOW((stderr, "os_init: Solaris version greater than 9?\nUnknown MAP_ANON behaviour.\n"));
- lose("Unknown mmap() interaction with MAP_ANON");
- } else { /* minor_version < 8 */
+ if ((minor_version < 8)) {
kludge_mmap_fd = open("/dev/zero",O_RDONLY);
if (kludge_mmap_fd < 0) {
perror("open");
- lose("Error in open(..)");
+ lose("Error in open(..)\n");
}
+ } else if (minor_version > 11) {
+ FSHOW((stderr, "os_init: Solaris version greater than 11?\nUnknown MAP_ANON behaviour.\n"));
+ lose("Unknown mmap() interaction with MAP_ANON\n");
+ } else {
+ /* Versions 8-11*/
+ KLUDGE_MAYBE_MAP_ANON = 0x100;
}
/* I do not understand this at all. FIXME. */
if (addr == MAP_FAILED) {
perror("mmap");
- lose ("Error in mmap(..)");
+ lose ("Error in mmap(..)\n");
}
return addr;
if (addr == MAP_FAILED) {
perror("mmap");
- lose("Unexpedted mmap(..) failure");
+ lose("Unexpedted mmap(..) failure\n");
}
return addr;
struct thread *th;
if(in_range_p(addr, READ_ONLY_SPACE_START, READ_ONLY_SPACE_SIZE) ||
in_range_p(addr, STATIC_SPACE_START , STATIC_SPACE_SIZE) ||
- in_range_p(addr, DYNAMIC_0_SPACE_START, DYNAMIC_SPACE_SIZE) ||
- in_range_p(addr, DYNAMIC_1_SPACE_START, DYNAMIC_SPACE_SIZE))
+#ifdef LISP_FEATURE_GENCGC
+ in_range_p(addr, DYNAMIC_SPACE_START , dynamic_space_size)
+#else
+ in_range_p(addr, DYNAMIC_0_SPACE_START, dynamic_space_size) ||
+ in_range_p(addr, DYNAMIC_1_SPACE_START, dynamic_space_size)
+#endif
+ )
return 1;
for_each_thread(th) {
if((th->control_stack_start <= addr) && (addr < th->control_stack_end))
}
\f
+#if defined LISP_FEATURE_GENCGC
+
+void
+sigsegv_handler(int signal, siginfo_t *info, void* void_context)
+{
+ os_context_t *context = arch_os_get_context(&void_context);
+ void* fault_addr = (void*)info->si_addr;
+
+ if (!gencgc_handle_wp_violation(fault_addr))
+ if(!handle_guard_page_triggered(context, fault_addr))
+#ifdef LISP_FEATURE_C_STACK_IS_CONTROL_STACK
+ lisp_memory_fault_error(context, fault_addr);
+#else
+ interrupt_handle_now(signal, info, context);
+#endif
+}
+
+#else
static void
sigsegv_handler(int signal, siginfo_t *info, void* void_context)
{
os_context_t *context = arch_os_get_context(&void_context);
- os_vm_address_t addr;
+ os_vm_address_t addr = arch_get_bad_addr(signal, info, context);
- addr = arch_get_bad_addr(signal, info, context);
- if(!interrupt_maybe_gc(signal, info, context)) {
- if(!handle_guard_page_triggered(context,addr))
+ if (!cheneygc_handle_wp_violation(context, addr)) {
+ if (!handle_guard_page_triggered(context,addr))
interrupt_handle_now(signal, info, context);
}
}
+#endif
+
void
os_install_interrupt_handlers()
{
undoably_install_low_level_interrupt_handler(SIG_MEMORY_FAULT,
sigsegv_handler);
+
+#ifdef LISP_FEATURE_SB_THREAD
+ undoably_install_low_level_interrupt_handler(SIG_INTERRUPT_THREAD,
+ interrupt_thread_handler);
+ undoably_install_low_level_interrupt_handler(SIG_STOP_FOR_GC,
+ sig_stop_for_gc_handler);
+#endif
}
+
+char *
+os_get_runtime_executable_path()
+{
+ int ret;
+ char path[] = "/proc/self/object/a.out";
+
+ ret = access(path, R_OK);
+ if (ret == -1)
+ return NULL;
+
+ return copied_string(path);
+}
+