diff options
Diffstat (limited to 'erts/emulator/beam/global.h')
| -rwxr-xr-x | erts/emulator/beam/global.h | 164 |
1 files changed, 147 insertions, 17 deletions
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h index 12eb3bfb7c..cecfa8a0fd 100755 --- a/erts/emulator/beam/global.h +++ b/erts/emulator/beam/global.h @@ -376,7 +376,7 @@ extern int stackdump_on_exit; */ -void erl_grow_stack(Eterm** start, Eterm** sp, Eterm** end); +void erl_grow_stack(ErtsAlcType_t a_type, Eterm** start, Eterm** sp, Eterm** end); #define ESTK_CONCAT(a,b) a##b #define ESTK_SUBSCRIPT(s,i) *((Eterm *)((byte *)ESTK_CONCAT(s,_start) + (i))) #define DEF_ESTACK_SIZE (16) @@ -385,20 +385,79 @@ void erl_grow_stack(Eterm** start, Eterm** sp, Eterm** end); Eterm ESTK_CONCAT(s,_default_stack)[DEF_ESTACK_SIZE]; \ Eterm* ESTK_CONCAT(s,_start) = ESTK_CONCAT(s,_default_stack); \ Eterm* ESTK_CONCAT(s,_sp) = ESTK_CONCAT(s,_start); \ - Eterm* ESTK_CONCAT(s,_end) = ESTK_CONCAT(s,_start) + DEF_ESTACK_SIZE + Eterm* ESTK_CONCAT(s,_end) = ESTK_CONCAT(s,_start) + DEF_ESTACK_SIZE;\ + ErtsAlcType_t ESTK_CONCAT(s,_alloc_type) = ERTS_ALC_T_ESTACK + +#define ESTACK_CHANGE_ALLOCATOR(s,t) \ +do { \ + if (ESTK_CONCAT(s,_start) != ESTK_CONCAT(s,_default_stack)) { \ + erl_exit(1, "Internal error - trying to change allocator " \ + "type of active estack\n"); \ + } \ + ESTK_CONCAT(s,_alloc_type) = (t); \ + } while (0) + +/* + * Do not free the stack after this, it may have pointers into what + * was saved in 'v'. 'v' and 'vsize' are changed by this macro. If + * 'v' points to anything, it should have been allocated by a previous + * call to this macro. Be careful to set a correct allocator prior to + * saving. + * 'v' can be any lvalue pointer, it will point to an array of UWord + * after calling this macro. + */ +#define ESTACK_SAVE(s,v,vsize) /* v and vsize are "name parameters" */ \ +do { \ + Uint _esz = ESTACK_COUNT(s); \ + if (ESTK_CONCAT(s,_start) == ESTK_CONCAT(s,_default_stack)) { \ + if ((v) == NULL) { \ + (v) = erts_alloc(ESTK_CONCAT(s,_alloc_type), \ + DEF_ESTACK_SIZE * sizeof(Eterm)); \ + } \ + memcpy((v),ESTK_CONCAT(s,_start),_esz*sizeof(Eterm)); \ + } else { \ + (v) = (void *) ESTK_CONCAT(s,_start); \ + } \ + (vsize) = _esz; \ + } while (0) + +/* + * Use on empty stack, only the allocator can be changed before this + * The vector parameter is reset to NULL if the vector is moved to stack, + * otherwise it's kept for reuse, so a saved and restored vector might + * need freeing using the correct allocator parameter. + * 'v' can be any lvalue pointer, it's cast to an (Eterm *). + */ +#define ESTACK_RESTORE(s, v, vsize) /*v is a "name parameter"*/ \ +do { \ + if ((vsize) > DEF_ESTACK_SIZE) { \ + Uint _ca = DEF_ESTACK_SIZE; \ + while (_ca < (vsize)) \ + _ca = _ca * 2; \ + ESTK_CONCAT(s,_start) = (Eterm *) (v); \ + ESTK_CONCAT(s,_end) = ((Eterm *)(v)) + _ca; \ + ESTK_CONCAT(s,_sp) = ESTK_CONCAT(s,_start) + (vsize); \ + (v) = NULL; \ + } else { \ + memcpy(ESTK_CONCAT(s,_start),(v),(vsize)*sizeof(Eterm));\ + ESTK_CONCAT(s,_sp) = ESTK_CONCAT(s,_start) + (vsize); \ + } \ + } while (0) + +#define ESTACK_IS_STATIC(s) (ESTK_CONCAT(s,_start) == ESTK_CONCAT(s,_default_stack)) #define DESTROY_ESTACK(s) \ do { \ if (ESTK_CONCAT(s,_start) != ESTK_CONCAT(s,_default_stack)) { \ - erts_free(ERTS_ALC_T_ESTACK, ESTK_CONCAT(s,_start)); \ + erts_free(ESTK_CONCAT(s,_alloc_type), ESTK_CONCAT(s,_start)); \ } \ } while(0) #define ESTACK_PUSH(s, x) \ do { \ if (ESTK_CONCAT(s,_sp) == ESTK_CONCAT(s,_end)) { \ - erl_grow_stack(&ESTK_CONCAT(s,_start), &ESTK_CONCAT(s,_sp), \ - &ESTK_CONCAT(s,_end)); \ + erl_grow_stack(ESTK_CONCAT(s,_alloc_type),&ESTK_CONCAT(s,_start), \ + &ESTK_CONCAT(s,_sp), &ESTK_CONCAT(s,_end)); \ } \ *ESTK_CONCAT(s,_sp)++ = (x); \ } while(0) @@ -406,8 +465,8 @@ do { \ #define ESTACK_PUSH2(s, x, y) \ do { \ if (ESTK_CONCAT(s,_sp) > ESTK_CONCAT(s,_end) - 2) { \ - erl_grow_stack(&ESTK_CONCAT(s,_start), &ESTK_CONCAT(s,_sp), \ - &ESTK_CONCAT(s,_end)); \ + erl_grow_stack(ESTK_CONCAT(s,_alloc_type),&ESTK_CONCAT(s,_start), \ + &ESTK_CONCAT(s,_sp), &ESTK_CONCAT(s,_end)); \ } \ *ESTK_CONCAT(s,_sp)++ = (x); \ *ESTK_CONCAT(s,_sp)++ = (y); \ @@ -430,7 +489,7 @@ do { \ #define ESTACK_POP(s) (*(--ESTK_CONCAT(s,_sp))) -void erl_grow_wstack(UWord** start, UWord** sp, UWord** end); +void erl_grow_wstack(ErtsAlcType_t a_type, UWord** start, UWord** sp, UWord** end); #define WSTK_CONCAT(a,b) a##b #define WSTK_SUBSCRIPT(s,i) *((UWord *)((byte *)WSTK_CONCAT(s,_start) + (i))) #define DEF_WSTACK_SIZE (16) @@ -439,20 +498,79 @@ void erl_grow_wstack(UWord** start, UWord** sp, UWord** end); UWord WSTK_CONCAT(s,_default_stack)[DEF_WSTACK_SIZE]; \ UWord* WSTK_CONCAT(s,_start) = WSTK_CONCAT(s,_default_stack); \ UWord* WSTK_CONCAT(s,_sp) = WSTK_CONCAT(s,_start); \ - UWord* WSTK_CONCAT(s,_end) = WSTK_CONCAT(s,_start) + DEF_WSTACK_SIZE + UWord* WSTK_CONCAT(s,_end) = WSTK_CONCAT(s,_start) + DEF_WSTACK_SIZE; \ + ErtsAlcType_t WSTK_CONCAT(s,_alloc_type) = ERTS_ALC_T_ESTACK + +#define WSTACK_CHANGE_ALLOCATOR(s,t) \ +do { \ + if (WSTK_CONCAT(s,_start) != WSTK_CONCAT(s,_default_stack)) { \ + erl_exit(1, "Internal error - trying to change allocator " \ + "type of active wstack\n"); \ + } \ + WSTK_CONCAT(s,_alloc_type) = (t); \ + } while (0) #define DESTROY_WSTACK(s) \ do { \ if (WSTK_CONCAT(s,_start) != WSTK_CONCAT(s,_default_stack)) { \ - erts_free(ERTS_ALC_T_ESTACK, WSTK_CONCAT(s,_start)); \ + erts_free(WSTK_CONCAT(s,_alloc_type), WSTK_CONCAT(s,_start)); \ } \ } while(0) +/* + * Do not free the stack after this, it may have pointers into what + * was saved in 'v'. 'v' and 'vsize' are changed by this macro. If + * 'v' points to anything, it should have been allocated by a previous + * call to this macro. Be careful to set a correct allocator prior to + * saving. + * 'v' can be any lvalue pointer, it will point to an array of UWord + * after calling this macro. + */ +#define WSTACK_SAVE(s,v,vsize) /* v and vsize are "name parameters" */ \ +do { \ + Uint _wsz = WSTACK_COUNT(s); \ + if (WSTK_CONCAT(s,_start) == WSTK_CONCAT(s,_default_stack)) { \ + if ((v) == NULL) { \ + (v) = erts_alloc(WSTK_CONCAT(s,_alloc_type), \ + DEF_WSTACK_SIZE * sizeof(UWord)); \ + } \ + memcpy((v),WSTK_CONCAT(s,_start),_wsz*sizeof(UWord)); \ + } else { \ + (v) = (void *) WSTK_CONCAT(s,_start); \ + } \ + (vsize) = _wsz; \ + } while (0) + +/* + * Use on empty stack, only the allocator can be changed before this + * The vector parameter is reset to NULL if the vector is moved to stack, + * otherwise it's kept for reuse, so a saved and restored vector might + * need freeing using the correct allocator parameter. + * 'v' can be any lvalue pointer, it's cast to an (UWord *). + */ +#define WSTACK_RESTORE(s, v, vsize) /*v is a "name parameter"*/ \ +do { \ + if ((vsize) > DEF_WSTACK_SIZE) { \ + Uint _ca = DEF_WSTACK_SIZE; \ + while (_ca < (vsize)) \ + _ca = _ca * 2; \ + WSTK_CONCAT(s,_start) = (UWord *) (v); \ + WSTK_CONCAT(s,_end) = ((UWord *)(v)) + _ca; \ + WSTK_CONCAT(s,_sp) = WSTK_CONCAT(s,_start) + (vsize); \ + (v) = NULL; \ + } else { \ + memcpy(WSTK_CONCAT(s,_start),(v),(vsize)*sizeof(UWord));\ + WSTK_CONCAT(s,_sp) = WSTK_CONCAT(s,_start) + (vsize); \ + } \ + } while (0) + +#define WSTACK_IS_STATIC(s) (WSTK_CONCAT(s,_start) == WSTK_CONCAT(s,_default_stack)) + #define WSTACK_PUSH(s, x) \ do { \ if (WSTK_CONCAT(s,_sp) == WSTK_CONCAT(s,_end)) { \ - erl_grow_wstack(&WSTK_CONCAT(s,_start), &WSTK_CONCAT(s,_sp), \ - &WSTK_CONCAT(s,_end)); \ + erl_grow_wstack(WSTK_CONCAT(s,_alloc_type), &WSTK_CONCAT(s,_start), \ + &WSTK_CONCAT(s,_sp), &WSTK_CONCAT(s,_end)); \ } \ *WSTK_CONCAT(s,_sp)++ = (x); \ } while(0) @@ -460,8 +578,8 @@ do { \ #define WSTACK_PUSH2(s, x, y) \ do { \ if (WSTK_CONCAT(s,_sp) > WSTK_CONCAT(s,_end) - 2) { \ - erl_grow_wstack(&WSTK_CONCAT(s,_start), &WSTK_CONCAT(s,_sp), \ - &WSTK_CONCAT(s,_end)); \ + erl_grow_wstack(WSTK_CONCAT(s,_alloc_type), &WSTK_CONCAT(s,_start), \ + &WSTK_CONCAT(s,_sp), &WSTK_CONCAT(s,_end)); \ } \ *WSTK_CONCAT(s,_sp)++ = (x); \ *WSTK_CONCAT(s,_sp)++ = (y); \ @@ -470,8 +588,8 @@ do { \ #define WSTACK_PUSH3(s, x, y, z) \ do { \ if (WSTK_CONCAT(s,_sp) > WSTK_CONCAT(s,_end) - 3) { \ - erl_grow_wstack(&WSTK_CONCAT(s,_start), &WSTK_CONCAT(s,_sp), \ - &WSTK_CONCAT(s,_end)); \ + erl_grow_wstack(WSTK_CONCAT(s,_alloc_type), &WSTK_CONCAT(s,_start), \ + &WSTK_CONCAT(s,_sp), &WSTK_CONCAT(s,_end)); \ } \ *WSTK_CONCAT(s,_sp)++ = (x); \ *WSTK_CONCAT(s,_sp)++ = (y); \ @@ -773,6 +891,9 @@ Sint erts_re_set_loop_limit(Sint limit); void erts_init_bif_binary(void); Sint erts_binary_set_loop_limit(Sint limit); +/* external.c */ +void erts_init_external(void); + /* erl_unicode.c */ void erts_init_unicode(void); Sint erts_unicode_set_loop_limit(Sint limit); @@ -816,7 +937,7 @@ char* Sint_to_buf(Sint, struct Sint_buf*); #define ERTS_IOLIST_OVERFLOW 1 #define ERTS_IOLIST_TYPE 2 -Eterm buf_to_intlist(Eterm**, char*, size_t, Eterm); /* most callers pass plain char*'s */ +Eterm buf_to_intlist(Eterm**, const char*, size_t, Eterm); /* most callers pass plain char*'s */ #define ERTS_IOLIST_TO_BUF_OVERFLOW (~((ErlDrvSizeT) 0)) #define ERTS_IOLIST_TO_BUF_TYPE_ERROR (~((ErlDrvSizeT) 1)) @@ -921,6 +1042,8 @@ extern erts_driver_t vanilla_driver; extern erts_driver_t spawn_driver; extern erts_driver_t fd_driver; +int erts_beam_jump_table(void); + /* Should maybe be placed in erl_message.h, but then we get an include mess. */ ERTS_GLB_INLINE Eterm * erts_alloc_message_heap_state(Uint size, @@ -1096,6 +1219,13 @@ erts_alloc_message_heap(Uint size, # define UnUseTmpHeapNoproc(Size) /* Nothing */ #endif /* HEAP_ON_C_STACK */ +ERTS_GLB_INLINE void dtrace_pid_str(Eterm pid, char *process_buf); +ERTS_GLB_INLINE void dtrace_proc_str(Process *process, char *process_buf); +ERTS_GLB_INLINE void dtrace_port_str(Port *port, char *port_buf); +ERTS_GLB_INLINE void dtrace_fun_decode(Process *process, + Eterm module, Eterm function, int arity, + char *process_buf, char *mfa_buf); + #if ERTS_GLB_INLINE_INCL_FUNC_DEF #include "dtrace-wrapper.h" |