/* Execution of byte code produced by bytecomp.el.
- Copyright (C) 1985-1988, 1993, 2000-2013 Free Software Foundation,
+ Copyright (C) 1985-1988, 1993, 2000-2014 Free Software Foundation,
Inc.
This file is part of GNU Emacs.
/* A list of currently active byte-code execution value stacks.
Fbyte_code adds an entry to the head of this list before it starts
- processing byte-code, and it removed the entry again when it is
+ processing byte-code, and it removes the entry again when it is
done. Signaling an error truncates the list analogous to
gcprolist. */
Lisp_Object args_template, ptrdiff_t nargs, Lisp_Object *args)
{
ptrdiff_t count = SPECPDL_INDEX ();
+ ptrdiff_t volatile count_volatile;
#ifdef BYTE_CODE_METER
- int this_op = 0;
+ int volatile this_op = 0;
int prev_op;
#endif
int op;
/* Lisp_Object v1, v2; */
Lisp_Object *vectorp;
+ Lisp_Object *volatile vectorp_volatile;
#ifdef BYTE_CODE_SAFE
- ptrdiff_t const_length;
- Lisp_Object *stacke;
- ptrdiff_t bytestr_length;
+ ptrdiff_t volatile const_length;
+ Lisp_Object *volatile stacke;
+ ptrdiff_t volatile bytestr_length;
#endif
struct byte_stack stack;
+ struct byte_stack volatile stack_volatile;
Lisp_Object *top;
Lisp_Object result;
enum handlertype type;
#ifdef BYTE_CODE_SAFE
bytestr_length = SBYTES (bytestr);
#endif
- vectorp = XVECTOR (vector)->u.contents;
+ vectorp = XVECTOR (vector)->contents;
stack.byte_string = bytestr;
stack.pc = stack.byte_string_start = SDATA (bytestr);
PUSH_HANDLER (c, tag, type);
c->bytecode_dest = dest;
c->bytecode_top = top;
+ count_volatile = count;
+ stack_volatile = stack;
+ vectorp_volatile = vectorp;
+
if (sys_setjmp (c->jmp))
{
struct handler *c = handlerlist;
+ int dest;
top = c->bytecode_top;
- int dest = c->bytecode_dest;
+ dest = c->bytecode_dest;
handlerlist = c->next;
PUSH (c->val);
CHECK_RANGE (dest);
+ stack = stack_volatile;
stack.pc = stack.byte_string_start + dest;
}
+
+ count = count_volatile;
+ vectorp = vectorp_volatile;
NEXT;
}