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Implement verify_ctx for debugging

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John Hawthorn 2021-07-27 23:41:29 -07:00 • committed by Alan Wu
parent a02002dc4f
commit d78ea4abec
3 changed files with 118 additions and 1 deletions
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41
yjit_core.c
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@ -33,6 +33,8 @@ ctx_stack_push_mapping(ctx_t* ctx, temp_type_mapping_t mapping)
ctx->temp_types[ctx->stack_size] = mapping.type;
RUBY_ASSERT(mapping.mapping.kind != TEMP_LOCAL || mapping.mapping.idx < MAX_LOCAL_TYPES);
RUBY_ASSERT(mapping.mapping.kind != TEMP_STACK || mapping.mapping.idx == 0);
RUBY_ASSERT(mapping.mapping.kind != TEMP_SELF || mapping.mapping.idx == 0);
}
ctx->stack_size += 1;
@ -155,7 +157,6 @@ ctx_get_opnd_type(const ctx_t* ctx, insn_opnd_t opnd)
rb_bug("unreachable");
}
int type_diff(val_type_t src, val_type_t dst);
#define UPGRADE_TYPE(dest, src) do { \
RUBY_ASSERT(type_diff((src), (dest)) != INT_MAX); \
(dest) = (src); \
@ -283,6 +284,44 @@ void ctx_clear_local_types(ctx_t* ctx)
memset(&ctx->local_types, 0, sizeof(ctx->local_types));
}
/* The name of a type, for debugging */
const char *
yjit_type_name(val_type_t type)
{
RUBY_ASSERT(!(type.is_imm && type.is_heap));
switch (type.type) {
case ETYPE_UNKNOWN:
if (type.is_imm) {
return "unknown immediate";
} else if (type.is_heap) {
return "unknown heap";
} else {
return "unknown";
}
case ETYPE_NIL:
return "nil";
case ETYPE_TRUE:
return "true";
case ETYPE_FALSE:
return "false";
case ETYPE_FIXNUM:
return "fixnum";
case ETYPE_FLONUM:
return "flonum";
case ETYPE_ARRAY:
return "array";
case ETYPE_HASH:
return "hash";
case ETYPE_SYMBOL:
return "symbol";
case ETYPE_STRING:
return "string";
}
UNREACHABLE_RETURN("");
}
/*
Compute a difference between two value types
Returns 0 if the two are the same