8 #define RETURN_REG %eax
13 #define ARITH_TEMP_1 %ebp
14 #define ARITH_TEMP_2 %ebx
15 #define DIV_RESULT %eax
18 #define STACK_PADDING 12
20 #define PUSH_NONVOLATILE \
25 #define POP_NONVOLATILE \
30 #define QUOT_XT_OFFSET 12
32 /* We pass a function pointer to memcpy to work around a Mac OS X
33 ABI limitation which would otherwise require us to do a bizzaro PC-relative
34 trampoline to retrieve the function address */
35 DEF(void,set_callstack,(F_STACK_FRAME *to, F_STACK_FRAME *from, CELL length, void *memcpy)):
36 mov 4(%esp),%ebp /* to */
37 mov 8(%esp),%edx /* from */
38 mov 12(%esp),%ecx /* length */
39 mov 16(%esp),%eax /* memcpy */
40 sub %ecx,%ebp /* compute new stack pointer */
42 push %ecx /* pass length */
43 push %edx /* pass src */
44 push %ebp /* pass dst */
45 call *%eax /* call memcpy */
46 add $12,%esp /* pop args from the stack */
47 ret /* return _with new stack_ */
49 DEF(long long,read_timestamp_counter,(void)):
53 DEF(void,primitive_inline_cache_miss,(void *vm)):
55 DEF(void,primitive_inline_cache_miss_tail,(void *vm)):
57 push ARG0 /* push vm ptr */
59 call MANGLE(inline_cache_miss)
63 DEF(void,get_sse_env,(void*)):
68 DEF(void,set_sse_env,(const void*)):
73 DEF(void,get_x87_env,(void*)):
79 DEF(void,set_x87_env,(const void*)):
85 DEF(F_FASTCALL void,throw_impl,(CELL quot, F_STACK_FRAME *rewind_to, void *vm)):
86 mov ARG2,NV0 /* remember vm ptr in case quot_xt = lazy_jit_compile */
87 /* clear x87 stack, but preserve rounding mode and exception flags */
95 jmp *QUOT_XT_OFFSET(ARG0)
97 DEF(F_FASTCALL void,lazy_jit_compile,(CELL quot, void *vm)):
99 mov STACK_REG,ARG1 /* Save stack pointer */
100 sub $STACK_PADDING,STACK_REG
101 call MANGLE(lazy_jit_compile_impl)
102 mov RETURN_REG,ARG0 /* No-op on 32-bit */
103 add $STACK_PADDING,STACK_REG
104 jmp *QUOT_XT_OFFSET(ARG0) /* Call the quotation */
111 .ascii " -export:read_timestamp_counter"
112 .ascii " -export:get_sse_env"
113 .ascii " -export:set_sse_env"
114 .ascii " -export:get_x87_env"
115 .ascii " -export:set_x87_env"