#include "config.h"
-#define _GNU_SOURCE
#include "go-assert.h"
#include <setjmp.h>
#include <signal.h>
typedef uint8 bool;
typedef uint8 byte;
+typedef struct Func Func;
typedef struct G G;
typedef union Lock Lock;
typedef struct M M;
typedef union Note Note;
+typedef struct SigTab SigTab;
typedef struct MCache MCache;
typedef struct FixAlloc FixAlloc;
+typedef struct Hchan Hchan;
+typedef struct Timers Timers;
+typedef struct Timer Timer;
-typedef struct __go_defer_stack Defer;
+typedef struct __go_open_array Slice;
+typedef struct __go_string String;
typedef struct __go_interface Iface;
typedef struct __go_empty_interface Eface;
typedef struct __go_type_descriptor Type;
+typedef struct __go_defer_stack Defer;
typedef struct __go_panic_stack Panic;
-typedef struct __go_open_array Slice;
-typedef struct __go_string String;
typedef struct __go_func_type FuncType;
typedef struct __go_map_type MapType;
bool fromgogo; // reached from gogo
int16 status;
int32 goid;
+ uint32 selgen; // valid sudog pointer
const char* waitreason; // if status==Gwaiting
G* schedlink;
bool readyonstop;
M* lockedm;
M* idlem;
// int32 sig;
+ int32 writenbuf;
+ byte* writebuf;
// uintptr sigcode0;
// uintptr sigcode1;
// uintptr sigpc;
MCache *mcache;
G* lockedg;
G* idleg;
+ uintptr createstack[32]; // Stack that created this thread.
M* nextwaitm; // next M waiting for lock
uintptr waitsema; // semaphore for parking on locks
uint32 waitsemacount;
uint32 waitsemalock;
};
+struct SigTab
+{
+ int32 sig;
+ int32 flags;
+};
+enum
+{
+ SigNotify = 1<<0, // let signal.Notify have signal, even if from kernel
+ SigKill = 1<<1, // if signal.Notify doesn't take it, exit quietly
+ SigThrow = 1<<2, // if signal.Notify doesn't take it, exit loudly
+ SigPanic = 1<<3, // if the signal is from the kernel, panic
+ SigDefault = 1<<4, // if the signal isn't explicitly requested, don't monitor it
+};
+
+#ifndef NSIG
+#define NSIG 32
+#endif
+
+// NOTE(rsc): keep in sync with extern.go:/type.Func.
+// Eventually, the loaded symbol table should be closer to this form.
+struct Func
+{
+ String name;
+ uintptr entry; // entry pc
+};
+
/* Macros. */
-#ifdef __WINDOWS__
+#ifdef GOOS_windows
enum {
Windows = 1
};
};
#endif
+struct Timers
+{
+ Lock;
+ G *timerproc;
+ bool sleeping;
+ bool rescheduling;
+ Note waitnote;
+ Timer **t;
+ int32 len;
+ int32 cap;
+};
+
+// Package time knows the layout of this structure.
+// If this struct changes, adjust ../time/sleep.go:/runtimeTimer.
+struct Timer
+{
+ int32 i; // heap index
+
+ // Timer wakes up at when, and then at when+period, ... (period > 0 only)
+ // each time calling f(now, arg) in the timer goroutine, so f must be
+ // a well-behaved function and not block.
+ int64 when;
+ int64 period;
+ void (*f)(int64, Eface);
+ Eface arg;
+};
+
+/*
+ * defined macros
+ * you need super-gopher-guru privilege
+ * to add this list.
+ */
#define nelem(x) (sizeof(x)/sizeof((x)[0]))
#define nil ((void*)0)
#define USED(v) ((void) v)
void runtime_osinit();
void runtime_goargs(void);
void runtime_goenvs(void);
-void runtime_throw(const char*);
+void runtime_goenvs_unix(void);
+void runtime_throw(const char*) __attribute__ ((noreturn));
void runtime_panicstring(const char*) __attribute__ ((noreturn));
void* runtime_mal(uintptr);
void runtime_schedinit(void);
-void runtime_initsig(int32);
+void runtime_initsig(void);
+void runtime_sigenable(uint32 sig);
String runtime_gostringnocopy(const byte*);
void* runtime_mstart(void*);
G* runtime_malg(int32, byte**, size_t*);
void runtime_minit(void);
void runtime_mallocinit(void);
void runtime_gosched(void);
+void runtime_tsleep(int64);
+M* runtime_newm(void);
void runtime_goexit(void);
-void runtime_entersyscall(void) __asm__("libgo_syscall.syscall.entersyscall");
-void runtime_exitsyscall(void) __asm__("libgo_syscall.syscall.exitsyscall");
+void runtime_entersyscall(void) __asm__("libgo_syscall.syscall.Entersyscall");
+void runtime_exitsyscall(void) __asm__("libgo_syscall.syscall.Exitsyscall");
void siginit(void);
bool __go_sigsend(int32 sig);
+int32 runtime_callers(int32, uintptr*, int32);
int64 runtime_nanotime(void);
+int64 runtime_cputicks(void);
void runtime_stoptheworld(void);
void runtime_starttheworld(bool);
+extern uint32 runtime_worldsema;
G* __go_go(void (*pfn)(void*), void*);
/*
void runtime_futexwakeup(uint32*, uint32);
/*
+ * low level C-called
+ */
+#define runtime_mmap mmap
+#define runtime_munmap munmap
+#define runtime_madvise madvise
+#define runtime_memclr(buf, size) __builtin_memset((buf), 0, (size))
+#define runtime_getcallerpc(p) __builtin_return_address(0)
+
+#ifdef __rtems__
+void __wrap_rtems_task_variable_add(void **);
+#endif
+
+/*
* runtime go-called
*/
void runtime_panic(Eface);
+struct __go_func_type;
+void reflect_call(const struct __go_func_type *, const void *, _Bool, _Bool,
+ void **, void **)
+ asm ("libgo_reflect.reflect.call");
/* Functions. */
#define runtime_panic __go_panic
#define runtime_printf printf
#define runtime_malloc(s) __go_alloc(s)
#define runtime_free(p) __go_free(p)
-#define runtime_memclr(buf, size) __builtin_memset((buf), 0, (size))
#define runtime_strcmp(s1, s2) __builtin_strcmp((s1), (s2))
#define runtime_mcmp(a, b, s) __builtin_memcmp((a), (b), (s))
#define runtime_memmove(a, b, s) __builtin_memmove((a), (b), (s))
-#define runtime_exit(s) _exit(s)
+#define runtime_exit(s) exit(s)
MCache* runtime_allocmcache(void);
void free(void *v);
-struct __go_func_type;
-bool runtime_addfinalizer(void*, void(*fn)(void*), const struct __go_func_type *);
-#define runtime_mmap mmap
-#define runtime_munmap(p, s) munmap((p), (s))
#define runtime_cas(pval, old, new) __sync_bool_compare_and_swap (pval, old, new)
#define runtime_casp(pval, old, new) __sync_bool_compare_and_swap (pval, old, new)
#define runtime_xadd(p, v) __sync_add_and_fetch (p, v)
#define runtime_atomicloadp(p) __atomic_load_n (p, __ATOMIC_SEQ_CST)
#define runtime_atomicstorep(p, v) __atomic_store_n (p, v, __ATOMIC_SEQ_CST)
+struct __go_func_type;
+bool runtime_addfinalizer(void*, void(*fn)(void*), const struct __go_func_type *);
+#define runtime_getcallersp(p) __builtin_frame_address(1)
+int32 runtime_mcount(void);
+int32 runtime_gcount(void);
void runtime_dopanic(int32) __attribute__ ((noreturn));
void runtime_startpanic(void);
void runtime_ready(G*);
const byte* runtime_getenv(const char*);
int32 runtime_atoi(const byte*);
+uint32 runtime_fastrand1(void);
+
void runtime_sigprof(uint8 *pc, uint8 *sp, uint8 *lr, G *gp);
void runtime_resetcpuprofiler(int32);
void runtime_setcpuprofilerate(void(*)(uintptr*, int32), int32);
-uint32 runtime_fastrand1(void);
+void runtime_usleep(uint32);
+
+/*
+ * runtime c-called (but written in Go)
+ */
+void runtime_printany(Eface)
+ __asm__("libgo_runtime.runtime.Printany");
+void runtime_newTypeAssertionError(const String*, const String*, const String*, const String*, Eface*)
+ __asm__("libgo_runtime.runtime.NewTypeAssertionError");
+void runtime_newErrorString(String, Eface*)
+ __asm__("libgo_runtime.runtime.NewErrorString");
+
+/*
+ * wrapped for go users
+ */
void runtime_semacquire(uint32 volatile *);
void runtime_semrelease(uint32 volatile *);
int32 runtime_gomaxprocsfunc(int32 n);
void runtime_procyield(uint32);
void runtime_osyield(void);
-void runtime_usleep(uint32);
-
-struct __go_func_type;
-void reflect_call(const struct __go_func_type *, const void *, _Bool, _Bool,
- void **, void **)
- asm ("libgo_reflect.reflect.call");
+void runtime_LockOSThread(void) __asm__("libgo_runtime.runtime.LockOSThread");
+void runtime_UnlockOSThread(void) __asm__("libgo_runtime.runtime.UnlockOSThread");
+
+uintptr runtime_memlimit(void);
+
+// If appropriate, ask the operating system to control whether this
+// thread should receive profiling signals. This is only necessary on OS X.
+// An operating system should not deliver a profiling signal to a
+// thread that is not actually executing (what good is that?), but that's
+// what OS X prefers to do. When profiling is turned on, we mask
+// away the profiling signal when threads go to sleep, so that OS X
+// is forced to deliver the signal to a thread that's actually running.
+// This is a no-op on other systems.
+void runtime_setprof(bool);
+
+void runtime_time_scan(void (*)(byte*, int64));
+
+void runtime_setsig(int32, bool, bool);
+#define runtime_setitimer setitimer
+
+void runtime_check(void);
+
+// A list of global variables that the garbage collector must scan.
+struct root_list {
+ struct root_list *next;
+ struct root {
+ void *decl;
+ size_t size;
+ } roots[];
+};
-#ifdef __rtems__
-void __wrap_rtems_task_variable_add(void **);
-#endif
+void __go_register_gc_roots(struct root_list*);
-/* Temporary. */
-void runtime_cond_wait(pthread_cond_t*, pthread_mutex_t*);
+// Size of stack space allocated using Go's allocator.
+// This will be 0 when using split stacks, as in that case
+// the stacks are allocated by the splitstack library.
+extern uintptr runtime_stacks_sys;