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Diffstat (limited to 'erts/emulator/beam/erl_db_util.c')
-rw-r--r--erts/emulator/beam/erl_db_util.c52
1 files changed, 2 insertions, 50 deletions
diff --git a/erts/emulator/beam/erl_db_util.c b/erts/emulator/beam/erl_db_util.c
index 2b7e0bcac3..7f17d1212f 100644
--- a/erts/emulator/beam/erl_db_util.c
+++ b/erts/emulator/beam/erl_db_util.c
@@ -336,7 +336,6 @@ typedef struct dmc_context {
Eterm *bodyexpr;
int num_match;
int current_match;
- int eheap_need;
Uint cflags;
int is_guard; /* 1 if in guard, 0 if in body */
int special; /* 1 if the head in the match was a single expression */
@@ -1289,7 +1288,6 @@ Binary *db_match_compile(Eterm *matchexpr,
int structure_checked;
DMCRet res;
int current_try_label;
- Uint max_eheap_need;
Binary *bp = NULL;
unsigned clause_start;
@@ -1302,7 +1300,6 @@ Binary *db_match_compile(Eterm *matchexpr,
context.matchexpr = matchexpr;
context.guardexpr = guards;
context.bodyexpr = body;
- context.eheap_need = 0;
context.err_info = err_info;
context.cflags = flags;
@@ -1314,7 +1311,6 @@ Binary *db_match_compile(Eterm *matchexpr,
*/
restart:
heap.vars_used = 0;
- max_eheap_need = 0;
for (context.current_match = 0;
context.current_match < num_progs;
++context.current_match) { /* This loop is long,
@@ -1322,7 +1318,6 @@ restart:
memset(heap.vars, 0, heap.size * sizeof(*heap.vars));
t = context.matchexpr[context.current_match];
context.stack_used = 0;
- context.eheap_need = 0;
structure_checked = 0;
if (context.current_match < num_progs - 1) {
DMC_PUSH(text,matchTryMeElse);
@@ -1494,10 +1489,6 @@ restart:
if (current_try_label >= 0) {
DMC_POKE(text, current_try_label, DMC_STACK_NUM(text));
}
- /* So, how much eheap did this part of the match program need? */
- if (context.eheap_need > max_eheap_need) {
- max_eheap_need = context.eheap_need;
- }
} /* for (context.current_match = 0 ...) */
@@ -1537,8 +1528,7 @@ restart:
ret->single_variable = context.special;
sys_memcpy(ret->text, DMC_STACK_DATA(text),
DMC_STACK_NUM(text) * sizeof(UWord));
- ret->eheap_offset = heap.vars_used*sizeof(MatchVariable) + FENCE_PATTERN_SIZE;
- ret->stack_offset = ret->eheap_offset + max_eheap_need*sizeof(Eterm) + FENCE_PATTERN_SIZE;
+ ret->stack_offset = heap.vars_used*sizeof(MatchVariable) + FENCE_PATTERN_SIZE;
ret->heap_size = ret->stack_offset + context.stack_need * sizeof(Eterm*) + FENCE_PATTERN_SIZE;
#ifdef DMC_DEBUG
@@ -1613,7 +1603,6 @@ static Eterm dpm_array_to_list(Process *psp, Eterm *arr, int arity)
return ret;
}
-//void heap_consistency_check(Process*); // SVERK
#if HALFWORD_HEAP
struct heap_checkpoint_t
@@ -1720,16 +1709,10 @@ Eterm db_prog_match(Process *c_p, Binary *bprog,
#endif
#ifdef DMC_DEBUG
Uint *heap_fence;
- Uint *eheap_fence;
Uint *stack_fence;
Uint save_op;
#endif /* DMC_DEBUG */
-// if (base == NULL) {
-// erts_fprintf(stderr, "SVERK prog_match = %T\r\n", term);
-// } else {
-// erts_fprintf(stderr, "SVERK prog_match = REL-TERM\r\n");
-// }
ASSERT(base==NULL || HALFWORD_HEAP);
mpsp = get_match_pseudo_process(c_p, prog->heap_size);
@@ -1763,11 +1746,9 @@ Eterm db_prog_match(Process *c_p, Binary *bprog,
#ifdef DMC_DEBUG
save_op = 0;
- heap_fence = (Eterm*)((char*) mpsp->u.heap + prog->eheap_offset) - 1;
- eheap_fence = (Eterm*)((char*) mpsp->u.heap + prog->stack_offset) - 1;
+ heap_fence = (Eterm*)((char*) mpsp->u.heap + prog->stack_offset) - 1;
stack_fence = (Eterm*)((char*) mpsp->u.heap + prog->heap_size) - 1;
*heap_fence = FENCE_PATTERN;
- *eheap_fence = FENCE_PATTERN;
*stack_fence = FENCE_PATTERN;
#endif /* DMC_DEBUG */
@@ -1790,7 +1771,6 @@ restart:
ep = &term;
esp = (Eterm*)((char*)mpsp->u.heap + prog->stack_offset);
sp = (Eterm **) esp;
- //ehp = (char*)mpsp->u.heap + prog->eheap_offset;
ret = am_true;
do_catch = 0;
fail_label = -1;
@@ -1814,11 +1794,6 @@ restart:
erl_exit(1, "Heap fence overwritten in db_prog_match after op "
"0x%08x, overwritten with 0x%08x.", save_op, *heap_fence);
}
- if (*eheap_fence != FENCE_PATTERN) {
- erl_exit(1, "Eheap fence overwritten in db_prog_match after op "
- "0x%08x, overwritten with 0x%08x.", save_op,
- *eheap_fence);
- }
if (*stack_fence != FENCE_PATTERN) {
erl_exit(1, "Stack fence overwritten in db_prog_match after op "
"0x%08x, overwritten with 0x%08x.", save_op,
@@ -1957,14 +1932,12 @@ restart:
CDR(ehp) = *--esp;
CAR(ehp) = esp[-1];
esp[-1] = make_list(ehp);
- //ehp += 2;
break;
case matchConsB:
ehp = HAlloc(build_proc, 2);
CAR(ehp) = *--esp;
CDR(ehp) = esp[-1];
esp[-1] = make_list(ehp);
- //ehp += 2;
break;
case matchMkTuple:
n = *pc++;
@@ -2303,7 +2276,6 @@ restart:
ehp[1] = cp[0];
ehp[2] = cp[1];
ehp[3] = make_small((Uint) cp[2]);
- //ehp += 4;
}
break;
case matchSilent:
@@ -2417,11 +2389,6 @@ success:
erl_exit(1, "Heap fence overwritten in db_prog_match after op "
"0x%08x, overwritten with 0x%08x.", save_op, *heap_fence);
}
- if (*eheap_fence != FENCE_PATTERN) {
- erl_exit(1, "Eheap fence overwritten in db_prog_match after op "
- "0x%08x, overwritten with 0x%08x.", save_op,
- *eheap_fence);
- }
if (*stack_fence != FENCE_PATTERN) {
erl_exit(1, "Stack fence overwritten in db_prog_match after op "
"0x%08x, overwritten with 0x%08x.", save_op,
@@ -2433,9 +2400,6 @@ success:
END_ATOMIC_TRACE(c_p);
- #ifdef DEBUG
- //heap_consistency_check(c_p); // SVERK
- #endif
return ret;
#undef FAIL
#undef FAIL_TERM
@@ -3501,7 +3465,6 @@ static DMCRet dmc_list(DMCContext *context,
DMC_PUSH(*text, matchConsB);
}
--context->stack_used; /* Two objects on stack becomes one */
- context->eheap_need += 2;
return retOk;
}
@@ -3560,7 +3523,6 @@ static DMCRet dmc_tuple(DMCContext *context,
DMC_PUSH(*text, matchMkTuple);
DMC_PUSH(*text, nelems);
context->stack_used -= (nelems - 1);
- context->eheap_need += (nelems + 1);
*constant = 0;
return retOk;
}
@@ -3578,9 +3540,6 @@ static DMCRet dmc_whole_expression(DMCContext *context,
} else {
ASSERT(is_tuple(context->matchexpr
[context->current_match]));
- context->eheap_need +=
- arityval(*(tuple_val(context->matchexpr
- [context->current_match]))) * 2;
DMC_PUSH(*text, matchPushArrayAsList);
}
} else {
@@ -3670,7 +3629,6 @@ static DMCRet dmc_all_bindings(DMCContext *context,
++context->stack_used;
if ((context->stack_used + 1) > context->stack_need)
context->stack_need = (context->stack_used + 1);
- context->eheap_need += heap_used;
*constant = 0;
return retOk;
}
@@ -4073,10 +4031,6 @@ static DMCRet dmc_get_seq_token(DMCContext *context,
*constant = 0;
DMC_PUSH(*text, matchGetSeqToken);
- context->eheap_need += (6 /* A 5-tuple is built */
- + EXTERNAL_THING_HEAD_SIZE + 2 /* Sender can
- be an external
- pid */);
if (++context->stack_used > context->stack_need)
context->stack_need = context->stack_used;
return retOk;
@@ -4373,7 +4327,6 @@ static DMCRet dmc_caller(DMCContext *context,
}
*constant = 0;
DMC_PUSH(*text, matchCaller); /* Creates binary */
- context->eheap_need += 4; /* A 3-tuple is built */
if (++context->stack_used > context->stack_need)
context->stack_need = context->stack_used;
return retOk;
@@ -5412,7 +5365,6 @@ void db_match_dis(Binary *bp)
erts_printf("}\n");
erts_printf("num_bindings: %d\n", prog->num_bindings);
erts_printf("heap_size: %bpu\n", prog->heap_size);
- erts_printf("eheap_offset: %bpu\n", prog->eheap_offset);
erts_printf("stack_offset: %bpu\n", prog->stack_offset);
erts_printf("text: 0x%08x\n", (unsigned long) prog->text);
erts_printf("stack_size: %d (words)\n", prog->heap_size-prog->stack_offset);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 18:33:02 +0000