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-rw-r--r--eval_intern.h260
1 files changed, 157 insertions, 103 deletions
diff --git a/eval_intern.h b/eval_intern.h
index 78861b32fb..954ba6a184 100644
--- a/eval_intern.h
+++ b/eval_intern.h
@@ -3,15 +3,25 @@
#include "ruby/ruby.h"
#include "vm_core.h"
+#include "zjit.h"
static inline void
-pass_passed_block(rb_thread_t *th)
+vm_passed_block_handler_set(rb_execution_context_t *ec, VALUE block_handler)
{
- th->passed_block = rb_vm_control_frame_block_ptr(th->cfp);
- th->cfp->flag |= VM_FRAME_FLAG_PASSED;
+ vm_block_handler_verify(block_handler);
+ ec->passed_block_handler = block_handler;
}
-#define PASS_PASSED_BLOCK_TH(th) pass_passed_block(th)
-#define PASS_PASSED_BLOCK() pass_passed_block(GET_THREAD())
+
+static inline void
+pass_passed_block_handler(rb_execution_context_t *ec)
+{
+ VALUE block_handler = rb_vm_frame_block_handler(ec->cfp);
+ vm_passed_block_handler_set(ec, block_handler);
+ VM_ENV_FLAGS_SET(ec->cfp->ep, VM_FRAME_FLAG_PASSED);
+}
+
+#define PASS_PASSED_BLOCK_HANDLER_EC(ec) pass_passed_block_handler(ec)
+#define PASS_PASSED_BLOCK_HANDLER() pass_passed_block_handler(GET_EC())
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
@@ -24,7 +34,11 @@ pass_passed_block(rb_thread_t *th)
#endif
#include <stdio.h>
-#include <setjmp.h>
+#if defined(__wasm__) && !defined(__EMSCRIPTEN__)
+# include "wasm/setjmp.h"
+#else
+# include <setjmp.h>
+#endif
#ifdef __APPLE__
# ifdef HAVE_CRT_EXTERNS_H
@@ -82,110 +96,123 @@ extern int select_large_fdset(int, fd_set *, fd_set *, fd_set *, struct timeval
#include <sys/stat.h>
-#ifdef _MSC_VER
-#define SAVE_ROOT_JMPBUF_BEFORE_STMT \
- __try {
-#define SAVE_ROOT_JMPBUF_AFTER_STMT \
- } \
- __except (GetExceptionCode() == EXCEPTION_STACK_OVERFLOW ? \
- (rb_thread_raised_set(GET_THREAD(), RAISED_STACKOVERFLOW), \
- raise(SIGSEGV), \
- EXCEPTION_EXECUTE_HANDLER) : \
- EXCEPTION_CONTINUE_SEARCH) { \
- /* never reaches here */ \
- }
-#elif defined(__MINGW32__)
-LONG WINAPI rb_w32_stack_overflow_handler(struct _EXCEPTION_POINTERS *);
-#define SAVE_ROOT_JMPBUF_BEFORE_STMT \
- do { \
- PVOID _handler = AddVectoredExceptionHandler(1, rb_w32_stack_overflow_handler);
-
-#define SAVE_ROOT_JMPBUF_AFTER_STMT \
- RemoveVectoredExceptionHandler(_handler); \
- } while (0);
+#define EC_PUSH_TAG(ec) do { \
+ rb_execution_context_t * const _ec = (ec); \
+ struct rb_vm_tag _tag; \
+ _tag.state = TAG_NONE; \
+ _tag.tag = Qundef; \
+ _tag.prev = _ec->tag; \
+ _tag.lock_rec = rb_ec_vm_lock_rec(_ec); \
+ EC_SAVE_TAG_CFP(_tag, _ec); \
+ rb_vm_tag_jmpbuf_init(&_tag.buf); \
+
+// Remember the CFP as of EC_PUSH_TAG so that ZJIT can materialize frames
+// only up to longjmp's target CFP. When a C method does longjmp inside it,
+// the target CFP may not be equal to the VM_FRAME_FLAG_FINISH frame.
+#if USE_ZJIT
+# define EC_SAVE_TAG_CFP(_tag, _ec) _tag.cfp = _ec->cfp
#else
-#define SAVE_ROOT_JMPBUF_BEFORE_STMT
-#define SAVE_ROOT_JMPBUF_AFTER_STMT
+# define EC_SAVE_TAG_CFP(_tag, _ec)
#endif
-#define SAVE_ROOT_JMPBUF(th, stmt) do \
- if (ruby_setjmp((th)->root_jmpbuf) == 0) { \
- SAVE_ROOT_JMPBUF_BEFORE_STMT \
- stmt; \
- SAVE_ROOT_JMPBUF_AFTER_STMT \
- } \
- else { \
- rb_fiber_start(); \
- } while (0)
-
-#define TH_PUSH_TAG(th) do { \
- rb_thread_t * const _th = (th); \
- struct rb_vm_tag _tag; \
- _tag.tag = 0; \
- _tag.prev = _th->tag;
-
-#define TH_POP_TAG() \
- _th->tag = _tag.prev; \
+#define EC_POP_TAG() \
+ _ec->tag = _tag.prev; \
+ rb_vm_tag_jmpbuf_deinit(&_tag.buf); \
} while (0)
-#define TH_TMPPOP_TAG() \
- _th->tag = _tag.prev
+#define EC_TMPPOP_TAG() \
+ _ec->tag = _tag.prev
-#define TH_REPUSH_TAG() (void)(_th->tag = &_tag)
+#define EC_REPUSH_TAG() (void)(_ec->tag = &_tag)
-#define PUSH_TAG() TH_PUSH_TAG(GET_THREAD())
-#define POP_TAG() TH_POP_TAG()
-
-#if defined __GNUC__ && __GNUC__ == 4 && (__GNUC_MINOR__ >= 6 && __GNUC_MINOR__ <= 8)
+#if defined __GNUC__ && __GNUC__ == 4 && (__GNUC_MINOR__ >= 6 && __GNUC_MINOR__ <= 8) || defined __clang__
+/* This macro prevents GCC 4.6--4.8 from emitting maybe-uninitialized warnings.
+ * This macro also prevents Clang from dumping core in EC_EXEC_TAG().
+ * (I confirmed Clang 4.0.1 and 5.0.0.)
+ */
# define VAR_FROM_MEMORY(var) __extension__(*(__typeof__(var) volatile *)&(var))
# define VAR_INITIALIZED(var) ((var) = VAR_FROM_MEMORY(var))
+# define VAR_NOCLOBBERED(var) volatile var
#else
# define VAR_FROM_MEMORY(var) (var)
# define VAR_INITIALIZED(var) ((void)&(var))
+# define VAR_NOCLOBBERED(var) var
#endif
-/* clear th->state, and return the value */
+static inline void
+rb_ec_vm_lock_rec_check(const rb_execution_context_t *ec, unsigned int recorded_lock_rec)
+{
+ unsigned int current_lock_rec = rb_ec_vm_lock_rec(ec);
+ if (current_lock_rec != recorded_lock_rec) {
+ rb_ec_vm_lock_rec_release(ec, recorded_lock_rec, current_lock_rec);
+ }
+}
+
+/* clear ec->tag->state, and return the value */
static inline int
-rb_threadptr_tag_state(rb_thread_t *th)
+rb_ec_tag_state(const rb_execution_context_t *ec)
{
- int state = th->state;
- th->state = 0;
+ struct rb_vm_tag *tag = ec->tag;
+ enum ruby_tag_type state = tag->state;
+ tag->state = TAG_NONE;
+ rb_ec_vm_lock_rec_check(ec, tag->lock_rec);
+ RBIMPL_ASSUME(state > TAG_NONE);
+ RBIMPL_ASSUME(state <= TAG_FATAL);
return state;
}
-NORETURN(static inline void rb_threadptr_tag_jump(rb_thread_t *, int));
+NORETURN(static inline void rb_ec_tag_jump(const rb_execution_context_t *ec, enum ruby_tag_type st));
static inline void
-rb_threadptr_tag_jump(rb_thread_t *th, int st)
+rb_ec_tag_jump(const rb_execution_context_t *ec, enum ruby_tag_type st)
{
- th->state = st;
- ruby_longjmp(th->tag->buf, 1);
+ RUBY_ASSERT(st > TAG_NONE && st <= TAG_FATAL, ": Invalid tag jump: %d", (int)st);
+#if USE_ZJIT
+ rb_zjit_materialize_frames(ec, ec->cfp);
+#endif
+ ec->tag->state = st;
+ ruby_longjmp(RB_VM_TAG_JMPBUF_GET(ec->tag->buf), 1);
}
/*
setjmp() in assignment expression rhs is undefined behavior
[ISO/IEC 9899:1999] 7.13.1.1
*/
-#define TH_EXEC_TAG() \
- (ruby_setjmp(_tag.buf) ? rb_threadptr_tag_state(VAR_FROM_MEMORY(_th)) : (TH_REPUSH_TAG(), 0))
+#define EC_EXEC_TAG() \
+ (UNLIKELY(ruby_setjmp(RB_VM_TAG_JMPBUF_GET(_tag.buf))) ? rb_ec_tag_state(VAR_FROM_MEMORY(_ec)) : (EC_REPUSH_TAG(), 0))
-#define EXEC_TAG() \
- TH_EXEC_TAG()
-
-#define TH_JUMP_TAG(th, st) rb_threadptr_tag_jump(th, st)
-
-#define JUMP_TAG(st) TH_JUMP_TAG(GET_THREAD(), (st))
+#define EC_JUMP_TAG(ec, st) rb_ec_tag_jump(ec, st)
#define INTERNAL_EXCEPTION_P(exc) FIXNUM_P(exc)
/* CREF operators */
-#define CREF_FL_PUSHED_BY_EVAL IMEMO_FL_USER1
-#define CREF_FL_OMOD_SHARED IMEMO_FL_USER2
+#define CREF_FL_PUSHED_BY_EVAL IMEMO_FL_USER1
+#define CREF_FL_OMOD_SHARED IMEMO_FL_USER2
+#define CREF_FL_SINGLETON IMEMO_FL_USER3
+#define CREF_FL_DYNAMIC_CREF IMEMO_FL_USER4
+
+static inline int CREF_SINGLETON(const rb_cref_t *cref);
static inline VALUE
CREF_CLASS(const rb_cref_t *cref)
{
- return cref->klass;
+ if (CREF_SINGLETON(cref)) {
+ return CLASS_OF(cref->klass_or_self);
+ }
+ else {
+ return cref->klass_or_self;
+ }
+}
+
+static inline VALUE
+CREF_CLASS_FOR_DEFINITION(const rb_cref_t *cref)
+{
+ if (CREF_SINGLETON(cref)) {
+ return rb_singleton_class(cref->klass_or_self);
+ }
+ else {
+ return cref->klass_or_self;
+ }
}
static inline rb_cref_t *
@@ -225,6 +252,18 @@ CREF_PUSHED_BY_EVAL_SET(rb_cref_t *cref)
}
static inline int
+CREF_SINGLETON(const rb_cref_t *cref)
+{
+ return cref->flags & CREF_FL_SINGLETON;
+}
+
+static inline void
+CREF_SINGLETON_SET(rb_cref_t *cref)
+{
+ cref->flags |= CREF_FL_SINGLETON;
+}
+
+static inline int
CREF_OMOD_SHARED(const rb_cref_t *cref)
{
return cref->flags & CREF_FL_OMOD_SHARED;
@@ -236,69 +275,84 @@ CREF_OMOD_SHARED_SET(rb_cref_t *cref)
cref->flags |= CREF_FL_OMOD_SHARED;
}
+static inline int
+CREF_DYNAMIC(const rb_cref_t *cref)
+{
+ return cref->flags & CREF_FL_DYNAMIC_CREF;
+}
+
+static inline void
+CREF_DYNAMIC_SET(rb_cref_t *cref)
+{
+ cref->flags |= CREF_FL_DYNAMIC_CREF;
+}
+
static inline void
CREF_OMOD_SHARED_UNSET(rb_cref_t *cref)
{
cref->flags &= ~CREF_FL_OMOD_SHARED;
}
-void rb_thread_cleanup(void);
-void rb_thread_wait_other_threads(void);
-
enum {
RAISED_EXCEPTION = 1,
RAISED_STACKOVERFLOW = 2,
RAISED_NOMEMORY = 4
};
-int rb_threadptr_set_raised(rb_thread_t *th);
-int rb_threadptr_reset_raised(rb_thread_t *th);
-#define rb_thread_raised_set(th, f) ((th)->raised_flag |= (f))
-#define rb_thread_raised_reset(th, f) ((th)->raised_flag &= ~(f))
-#define rb_thread_raised_p(th, f) (((th)->raised_flag & (f)) != 0)
-#define rb_thread_raised_clear(th) ((th)->raised_flag = 0)
+#define rb_ec_raised_set(ec, f) ((ec)->raised_flag |= (f))
+#define rb_ec_raised_reset(ec, f) ((ec)->raised_flag &= ~(f))
+#define rb_ec_raised_p(ec, f) (((ec)->raised_flag & (f)) != 0)
+#define rb_ec_raised_clear(ec) ((ec)->raised_flag = 0)
+int rb_ec_set_raised(rb_execution_context_t *ec);
+int rb_ec_reset_raised(rb_execution_context_t *ec);
+int rb_ec_stack_check(rb_execution_context_t *ec);
VALUE rb_f_eval(int argc, const VALUE *argv, VALUE self);
VALUE rb_make_exception(int argc, const VALUE *argv);
NORETURN(void rb_method_name_error(VALUE, VALUE));
-NORETURN(void rb_fiber_start(void));
+NORETURN(void rb_fiber_start(rb_fiber_t*));
NORETURN(void rb_print_undef(VALUE, ID, rb_method_visibility_t));
NORETURN(void rb_print_undef_str(VALUE, VALUE));
NORETURN(void rb_print_inaccessible(VALUE, ID, rb_method_visibility_t));
NORETURN(void rb_vm_localjump_error(const char *,VALUE, int));
-NORETURN(void rb_vm_jump_tag_but_local_jump(int));
-NORETURN(void rb_raise_method_missing(rb_thread_t *th, int argc, const VALUE *argv,
- VALUE obj, int call_status));
+NORETURN(void rb_vm_jump_tag_but_local_jump(enum ruby_tag_type));
-VALUE rb_vm_make_jump_tag_but_local_jump(int state, VALUE val);
+VALUE rb_vm_make_jump_tag_but_local_jump(enum ruby_tag_type state, VALUE val);
rb_cref_t *rb_vm_cref(void);
rb_cref_t *rb_vm_cref_replace_with_duplicated_cref(void);
-VALUE rb_vm_call_cfunc(VALUE recv, VALUE (*func)(VALUE), VALUE arg, const rb_block_t *blockptr, VALUE filename);
+VALUE rb_vm_call_cfunc(VALUE recv, VALUE (*func)(VALUE), VALUE arg, VALUE block_handler, VALUE filename);
+VALUE rb_vm_call_cfunc_in_box(VALUE recv, VALUE (*func)(VALUE, VALUE), VALUE arg1, VALUE arg2, VALUE filename, const rb_box_t *box);
+void rb_vm_frame_flag_set_box_require(const rb_execution_context_t *ec);
+const rb_box_t *rb_vm_current_box(const rb_execution_context_t *ec);
+const rb_box_t *rb_vm_caller_box(const rb_execution_context_t *ec);
+const rb_box_t *rb_vm_loading_box(const rb_execution_context_t *ec);
void rb_vm_set_progname(VALUE filename);
-void rb_thread_terminate_all(void);
-VALUE rb_vm_top_self();
VALUE rb_vm_cbase(void);
+/* vm_backtrace.c */
+#define RUBY_BACKTRACE_START 0
+#define RUBY_ALL_BACKTRACE_LINES -1
+VALUE rb_ec_backtrace_object(const rb_execution_context_t *ec);
+VALUE rb_ec_backtrace_str_ary(const rb_execution_context_t *ec, long lev, long n);
+VALUE rb_ec_backtrace_location_ary(const rb_execution_context_t *ec, long lev, long n, bool skip_internal);
+
#ifndef CharNext /* defined as CharNext[AW] on Windows. */
# ifdef HAVE_MBLEN
-# define CharNext(p) ((p) + mblen((p), RUBY_MBCHAR_MAXSIZE))
-# else
-# define CharNext(p) ((p) + 1)
-# endif
-#endif
-
-#if defined DOSISH || defined __CYGWIN__
-static inline void
-translit_char(char *p, int from, int to)
+# define CharNext(p) rb_char_next(p)
+static inline char *
+rb_char_next(const char *p)
{
- while (*p) {
- if ((unsigned char)*p == from)
- *p = to;
- p = CharNext(p);
+ if (p) {
+ int len = mblen(p, RUBY_MBCHAR_MAXSIZE);
+ p += len > 0 ? len : 1;
}
+ return (char *)p;
}
+# else
+# define CharNext(p) ((p) + 1)
+# endif
#endif
#endif /* RUBY_EVAL_INTERN_H */
generated by cgit v1.2.3 (git 2.25.1) at 2026-05-29 20:24:09 +0000