dtrace: fix style in ustack helper
This commit is contained in:
Fedor Indutny
parent
3b715edda9
commit
13296e4b13
778
src/v8ustack.d
778
src/v8ustack.d
@ -17,8 +17,10 @@
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* V8 represents small integers (SMI) using the upper 31 bits of a 32-bit
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* value. To extract the actual integer value, we must shift it over.
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*/
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#define IS_SMI(value) ((value & V8_SmiTagMask) == V8_SmiTag)
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#define SMI_VALUE(value) ((uint32_t)(value) >> V8_SmiValueShift)
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#define IS_SMI(value) \
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((value & V8_SmiTagMask) == V8_SmiTag)
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#define SMI_VALUE(value) \
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((uint32_t)(value) >> V8_SmiValueShift)
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/*
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* Heap objects usually start off with a Map pointer, itself another heap
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@ -26,106 +28,106 @@
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* pointer (which are normally 01) are used to record GC state. Of course, we
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* have no idea if we're in GC or not, so we must always normalize the pointer.
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*/
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#define V8_MAP_PTR(ptr) \
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#define V8_MAP_PTR(ptr) \
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((ptr & ~V8_HeapObjectTagMask) | V8_HeapObjectTag)
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/*
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* Determine the encoding and representation of a V8 string.
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*/
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#define V8_TYPE_STRING(type) (((type) & V8_IsNotStringMask) == V8_StringTag)
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#define V8_TYPE_STRING(type) (((type) & V8_IsNotStringMask) == V8_StringTag)
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#define V8_STRENC_ASCII(type) \
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#define V8_STRENC_ASCII(type) \
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(((type) & V8_StringEncodingMask) == V8_AsciiStringTag)
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#define V8_STRREP_SEQ(type) \
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#define V8_STRREP_SEQ(type) \
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(((type) & V8_StringRepresentationMask) == V8_SeqStringTag)
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#define V8_STRREP_CONS(type) \
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#define V8_STRREP_CONS(type) \
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(((type) & V8_StringRepresentationMask) == V8_ConsStringTag)
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#define V8_STRREP_EXT(type) \
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#define V8_STRREP_EXT(type) \
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(((type) & V8_StringRepresentationMask) == V8_ExternalStringTag)
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/*
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* String type predicates
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*/
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#define ASCII_SEQSTR(value) \
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#define ASCII_SEQSTR(value) \
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(V8_TYPE_STRING(value) && V8_STRENC_ASCII(value) && V8_STRREP_SEQ(value))
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#define ASCII_CONSSTR(value) \
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#define ASCII_CONSSTR(value) \
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(V8_TYPE_STRING(value) && V8_STRENC_ASCII(value) && V8_STRREP_CONS(value))
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#define ASCII_EXTSTR(value) \
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#define ASCII_EXTSTR(value) \
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(V8_TYPE_STRING(value) && V8_STRENC_ASCII(value) && V8_STRREP_EXT(value))
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/*
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* General helper macros
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*/
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#define COPYIN_UINT8(addr) (*(uint8_t *)copyin((addr), sizeof (uint8_t)))
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#define COPYIN_UINT32(addr) (*(uint32_t *)copyin((addr), sizeof (uint32_t)))
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#define COPYIN_UINT8(addr) (*(uint8_t*) copyin((addr), sizeof(uint8_t)))
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#define COPYIN_UINT32(addr) (*(uint32_t*) copyin((addr), sizeof(uint32_t)))
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#define APPEND_CHR(c) (this->buf[this->off++] = (c))
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#define APPEND_CHR(c) (this->buf[this->off++] = (c))
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#define APPEND_DGT(i, d) \
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(((i) / (d)) ? APPEND_CHR('0' + ((i)/(d) % 10)) : 0)
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#define APPEND_DGT(i, d) \
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(((i) / (d)) ? APPEND_CHR('0' + ((i)/(d) % 10)) : 0)
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#define APPEND_NUM(i) \
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APPEND_DGT((i), 10000); \
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APPEND_DGT((i), 1000); \
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APPEND_DGT((i), 100); \
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APPEND_DGT((i), 10); \
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APPEND_DGT((i), 1);
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#define APPEND_NUM(i) \
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APPEND_DGT((i), 10000); \
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APPEND_DGT((i), 1000); \
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APPEND_DGT((i), 100); \
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APPEND_DGT((i), 10); \
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APPEND_DGT((i), 1);
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/*
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* The following macros are used to output ASCII SeqStrings, ConsStrings, and
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* Node.js ExternalStrings. To represent each string, we use three fields:
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*
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* "str": a pointer to the string itself
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* "str": a pointer to the string itself
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*
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* "len": the string length
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* "len": the string length
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*
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* "attrs": the type identifier for the string, which indicates the
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* encoding and representation. We're only interested in ASCII
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* encoded strings whose representation is one of:
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* "attrs": the type identifier for the string, which indicates the
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* encoding and representation. We're only interested in ASCII
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* encoded strings whose representation is one of:
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*
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* SeqString stored directly as a char array inside the object
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* SeqString stored directly as a char array inside the object
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*
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* ConsString pointer to two strings that should be concatenated
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* ConsString pointer to two strings that should be concatenated
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*
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* ExternalString pointer to a char* outside the V8 heap
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* ExternalString pointer to a char* outside the V8 heap
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*/
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/*
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* Load "len" and "attrs" for the given "str".
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*/
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#define LOAD_STRFIELDS(str, len, attrs) \
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len = SMI_VALUE(COPYIN_UINT32(str + V8_OFF_STR_LENGTH)); \
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this->map = V8_MAP_PTR(COPYIN_UINT32(str + V8_OFF_HEAPOBJ_MAP)); \
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#define LOAD_STRFIELDS(str, len, attrs) \
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len = SMI_VALUE(COPYIN_UINT32(str + V8_OFF_STR_LENGTH)); \
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this->map = V8_MAP_PTR(COPYIN_UINT32(str + V8_OFF_HEAPOBJ_MAP)); \
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attrs = COPYIN_UINT8(this->map + V8_OFF_MAP_ATTRS);
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/*
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* Print out the given SeqString, or do nothing if the string is not an ASCII
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* SeqString.
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*/
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#define APPEND_SEQSTR(str, len, attrs) \
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dtrace:helper:ustack: \
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/!this->done && len > 0 && ASCII_SEQSTR(attrs)/ \
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{ \
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copyinto(str + V8_OFF_STR_CHARS, len, this->buf + this->off); \
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this->off += len; \
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}
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#define APPEND_SEQSTR(str, len, attrs) \
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dtrace:helper:ustack: \
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/!this->done && len > 0 && ASCII_SEQSTR(attrs)/ \
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{ \
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copyinto(str + V8_OFF_STR_CHARS, len, this->buf + this->off); \
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this->off += len; \
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}
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/*
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* Print out the given Node.js ExternalString, or do nothing if the string is
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* not an ASCII ExternalString.
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*/
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#define APPEND_NODESTR(str, len, attrs) \
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dtrace:helper:ustack: \
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/!this->done && len > 0 && ASCII_EXTSTR(attrs)/ \
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{ \
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this->resource = COPYIN_UINT32(str + V8_OFF_EXTSTR_RSRC); \
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this->dataptr = COPYIN_UINT32(this->resource + NODE_OFF_EXTSTR_DATA); \
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copyinto(this->dataptr, len, this->buf + this->off); \
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this->off += len; \
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}
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#define APPEND_NODESTR(str, len, attrs) \
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dtrace:helper:ustack: \
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/!this->done && len > 0 && ASCII_EXTSTR(attrs)/ \
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{ \
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this->resource = COPYIN_UINT32(str + V8_OFF_EXTSTR_RSRC); \
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this->dataptr = COPYIN_UINT32(this->resource + NODE_OFF_EXTSTR_DATA); \
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copyinto(this->dataptr, len, this->buf + this->off); \
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this->off += len; \
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}
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/*
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* Recall that each ConsString points to two other strings which are
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@ -140,11 +142,11 @@ dtrace:helper:ustack: \
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*
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* +---- str ----+
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* / \ <-- 1st expansion
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* / \
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* / \
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* s0 s7
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* / \ / \
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* / \ / \
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* / \ / \ <-- 2nd expansion
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* / \ / \
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* / \ / \
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* s1 s4 s8 s11
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* / \ / \ / \ / \ <-- 3rd expansion
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* s2 s3 s5 s6 s9 s10 s12 s13
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@ -156,90 +158,90 @@ dtrace:helper:ustack: \
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* all non-zero-length strings in order (including both internal nodes and
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* leafs in the tree above) to get the final output.
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*/
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#define EXPAND_START() \
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dtrace:helper:ustack: \
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/!this->done/ \
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{ \
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this->s0str = this->s1str = this->s2str = 0; \
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this->s3str = this->s4str = this->s5str = 0; \
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this->s6str = this->s7str = this->s8str = 0; \
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this->s9str = this->s10str = this->s11str = 0; \
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this->s12str = this->s13str = 0; \
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\
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this->s0len = this->s1len = this->s2len = 0; \
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this->s3len = this->s4len = this->s5len = 0; \
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this->s6len = this->s7len = this->s8len = 0; \
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this->s9len = this->s10len = this->s11len = 0; \
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this->s12len = this->s13len = 0; \
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\
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this->s0attrs = this->s1attrs = this->s2attrs = 0; \
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this->s3attrs = this->s4attrs = this->s5attrs = 0; \
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this->s6attrs = this->s7attrs = this->s8attrs = 0; \
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this->s9attrs = this->s10attrs = this->s11attrs = 0; \
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this->s12attrs = this->s13attrs = 0; \
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}
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#define EXPAND_START() \
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dtrace:helper:ustack: \
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/!this->done/ \
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{ \
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this->s0str = this->s1str = this->s2str = 0; \
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this->s3str = this->s4str = this->s5str = 0; \
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this->s6str = this->s7str = this->s8str = 0; \
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this->s9str = this->s10str = this->s11str = 0; \
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this->s12str = this->s13str = 0; \
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\
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this->s0len = this->s1len = this->s2len = 0; \
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this->s3len = this->s4len = this->s5len = 0; \
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this->s6len = this->s7len = this->s8len = 0; \
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this->s9len = this->s10len = this->s11len = 0; \
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this->s12len = this->s13len = 0; \
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\
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this->s0attrs = this->s1attrs = this->s2attrs = 0; \
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this->s3attrs = this->s4attrs = this->s5attrs = 0; \
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this->s6attrs = this->s7attrs = this->s8attrs = 0; \
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this->s9attrs = this->s10attrs = this->s11attrs = 0; \
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this->s12attrs = this->s13attrs = 0; \
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}
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/*
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* Expand the ConsString "str" (represented by "str", "len", and "attrs") into
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* strings "s1" (represented by "s1s", "s1l", and "s1a") and "s2" (represented
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* by "s2s", "s2l", "s2a"). If "str" is not a ConsString, do nothing.
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*/
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#define EXPAND_STR(str, len, attrs, s1s, s1l, s1a, s2s, s2l, s2a) \
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dtrace:helper:ustack: \
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/!this->done && len > 0 && ASCII_CONSSTR(attrs)/ \
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{ \
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len = 0; \
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\
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s1s = COPYIN_UINT32(str + V8_OFF_CONSSTR_CAR); \
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LOAD_STRFIELDS(s1s, s1l, s1a) \
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\
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s2s = COPYIN_UINT32(str + V8_OFF_CONSSTR_CDR); \
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LOAD_STRFIELDS(s2s, s2l, s2a) \
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}
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#define EXPAND_STR(str, len, attrs, s1s, s1l, s1a, s2s, s2l, s2a) \
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dtrace:helper:ustack: \
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/!this->done && len > 0 && ASCII_CONSSTR(attrs)/ \
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{ \
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len = 0; \
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\
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s1s = COPYIN_UINT32(str + V8_OFF_CONSSTR_CAR); \
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LOAD_STRFIELDS(s1s, s1l, s1a) \
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\
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s2s = COPYIN_UINT32(str + V8_OFF_CONSSTR_CDR); \
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LOAD_STRFIELDS(s2s, s2l, s2a) \
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}
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/*
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* Print out a ConsString by expanding it up to three levels and printing out
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* the resulting SeqStrings.
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*/
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#define APPEND_CONSSTR(str, len, attrs) \
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EXPAND_START() \
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EXPAND_STR(str, len, attrs, \
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this->s0str, this->s0len, this->s0attrs, \
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this->s7str, this->s7len, this->s7attrs) \
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EXPAND_STR(this->s0str, this->s0len, this->s0attrs, \
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this->s1str, this->s1len, this->s1attrs, \
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this->s4str, this->s4len, this->s4attrs) \
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EXPAND_STR(this->s1str, this->s1len, this->s1attrs, \
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this->s2str, this->s2len, this->s2attrs, \
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this->s3str, this->s3len, this->s3attrs) \
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EXPAND_STR(this->s4str, this->s4len, this->s4attrs, \
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this->s5str, this->s5len, this->s5attrs, \
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this->s6str, this->s6len, this->s6attrs) \
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EXPAND_STR(this->s7str, this->s7len, this->s7attrs, \
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this->s8str, this->s8len, this->s8attrs, \
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this->s11str, this->s11len, this->s11attrs) \
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EXPAND_STR(this->s8str, this->s8len, this->s8attrs, \
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this->s9str, this->s9len, this->s9attrs, \
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this->s10str, this->s10len, this->s10attrs) \
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EXPAND_STR(this->s11str, this->s11len, this->s11attrs, \
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this->s12str, this->s12len, this->s12attrs, \
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this->s13str, this->s13len, this->s13attrs) \
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\
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APPEND_SEQSTR(str, len, attrs) \
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APPEND_SEQSTR(this->s0str, this->s0len, this->s0attrs) \
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APPEND_SEQSTR(this->s1str, this->s1len, this->s1attrs) \
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APPEND_SEQSTR(this->s2str, this->s2len, this->s2attrs) \
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APPEND_SEQSTR(this->s3str, this->s3len, this->s3attrs) \
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APPEND_SEQSTR(this->s4str, this->s4len, this->s4attrs) \
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APPEND_SEQSTR(this->s5str, this->s5len, this->s5attrs) \
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APPEND_SEQSTR(this->s6str, this->s6len, this->s6attrs) \
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APPEND_SEQSTR(this->s7str, this->s7len, this->s7attrs) \
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APPEND_SEQSTR(this->s8str, this->s8len, this->s8attrs) \
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APPEND_SEQSTR(this->s9str, this->s9len, this->s9attrs) \
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APPEND_SEQSTR(this->s10str, this->s10len, this->s10attrs) \
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APPEND_SEQSTR(this->s11str, this->s11len, this->s11attrs) \
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APPEND_SEQSTR(this->s12str, this->s12len, this->s12attrs) \
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APPEND_SEQSTR(this->s13str, this->s13len, this->s13attrs) \
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#define APPEND_CONSSTR(str, len, attrs) \
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EXPAND_START() \
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EXPAND_STR(str, len, attrs, \
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this->s0str, this->s0len, this->s0attrs, \
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this->s7str, this->s7len, this->s7attrs) \
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EXPAND_STR(this->s0str, this->s0len, this->s0attrs, \
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this->s1str, this->s1len, this->s1attrs, \
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this->s4str, this->s4len, this->s4attrs) \
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EXPAND_STR(this->s1str, this->s1len, this->s1attrs, \
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this->s2str, this->s2len, this->s2attrs, \
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this->s3str, this->s3len, this->s3attrs) \
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EXPAND_STR(this->s4str, this->s4len, this->s4attrs, \
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this->s5str, this->s5len, this->s5attrs, \
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this->s6str, this->s6len, this->s6attrs) \
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EXPAND_STR(this->s7str, this->s7len, this->s7attrs, \
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this->s8str, this->s8len, this->s8attrs, \
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this->s11str, this->s11len, this->s11attrs) \
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EXPAND_STR(this->s8str, this->s8len, this->s8attrs, \
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this->s9str, this->s9len, this->s9attrs, \
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this->s10str, this->s10len, this->s10attrs) \
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EXPAND_STR(this->s11str, this->s11len, this->s11attrs, \
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this->s12str, this->s12len, this->s12attrs, \
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this->s13str, this->s13len, this->s13attrs) \
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\
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APPEND_SEQSTR(str, len, attrs) \
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APPEND_SEQSTR(this->s0str, this->s0len, this->s0attrs) \
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APPEND_SEQSTR(this->s1str, this->s1len, this->s1attrs) \
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APPEND_SEQSTR(this->s2str, this->s2len, this->s2attrs) \
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APPEND_SEQSTR(this->s3str, this->s3len, this->s3attrs) \
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APPEND_SEQSTR(this->s4str, this->s4len, this->s4attrs) \
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APPEND_SEQSTR(this->s5str, this->s5len, this->s5attrs) \
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APPEND_SEQSTR(this->s6str, this->s6len, this->s6attrs) \
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APPEND_SEQSTR(this->s7str, this->s7len, this->s7attrs) \
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APPEND_SEQSTR(this->s8str, this->s8len, this->s8attrs) \
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APPEND_SEQSTR(this->s9str, this->s9len, this->s9attrs) \
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APPEND_SEQSTR(this->s10str, this->s10len, this->s10attrs) \
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APPEND_SEQSTR(this->s11str, this->s11len, this->s11attrs) \
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APPEND_SEQSTR(this->s12str, this->s12len, this->s12attrs) \
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APPEND_SEQSTR(this->s13str, this->s13len, this->s13attrs) \
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/*
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@ -247,9 +249,9 @@ dtrace:helper:ustack: \
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* APPEND_CONSSTR implicitly handles SeqStrings as the degenerate case of an
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* expanded ConsString.
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*/
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#define APPEND_V8STR(str, len, attrs) \
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APPEND_CONSSTR(str, len, attrs) \
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APPEND_NODESTR(str, len, attrs)
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||||
#define APPEND_V8STR(str, len, attrs) \
|
||||
APPEND_CONSSTR(str, len, attrs) \
|
||||
APPEND_NODESTR(str, len, attrs)
|
||||
|
||||
/*
|
||||
* In this first clause we initialize all variables. We must explicitly clear
|
||||
@ -257,36 +259,36 @@ dtrace:helper:ustack: \
|
||||
*/
|
||||
dtrace:helper:ustack:
|
||||
{
|
||||
/* input */
|
||||
this->fp = arg1;
|
||||
/* input */
|
||||
this->fp = arg1;
|
||||
|
||||
/* output/flow control */
|
||||
this->buf = (char *)alloca(128);
|
||||
this->off = 0;
|
||||
this->done = 0;
|
||||
/* output/flow control */
|
||||
this->buf = (char*) alloca(128);
|
||||
this->off = 0;
|
||||
this->done = 0;
|
||||
|
||||
/* program state */
|
||||
this->ctx = 0;
|
||||
this->marker = 0;
|
||||
this->func = 0;
|
||||
this->shared = 0;
|
||||
this->map = 0;
|
||||
this->attrs = 0;
|
||||
this->funcnamestr = 0;
|
||||
this->funcnamelen = 0;
|
||||
this->funcnameattrs = 0;
|
||||
this->script = 0;
|
||||
this->scriptnamestr = 0;
|
||||
this->scriptnamelen = 0;
|
||||
this->scriptnameattrs = 0;
|
||||
this->position = 0;
|
||||
this->line_ends = 0;
|
||||
this->le_attrs = 0;
|
||||
/* program state */
|
||||
this->ctx = 0;
|
||||
this->marker = 0;
|
||||
this->func = 0;
|
||||
this->shared = 0;
|
||||
this->map = 0;
|
||||
this->attrs = 0;
|
||||
this->funcnamestr = 0;
|
||||
this->funcnamelen = 0;
|
||||
this->funcnameattrs = 0;
|
||||
this->script = 0;
|
||||
this->scriptnamestr = 0;
|
||||
this->scriptnamelen = 0;
|
||||
this->scriptnameattrs = 0;
|
||||
this->position = 0;
|
||||
this->line_ends = 0;
|
||||
this->le_attrs = 0;
|
||||
|
||||
/* binary search fields */
|
||||
this->bsearch_min = 0;
|
||||
this->bsearch_max = 0;
|
||||
this->ii = 0;
|
||||
/* binary search fields */
|
||||
this->bsearch_min = 0;
|
||||
this->bsearch_max = 0;
|
||||
this->ii = 0;
|
||||
}
|
||||
|
||||
/*
|
||||
@ -295,28 +297,28 @@ dtrace:helper:ustack:
|
||||
*/
|
||||
dtrace:helper:ustack:
|
||||
{
|
||||
this->ctx = COPYIN_UINT32(this->fp + V8_OFF_FP_CONTEXT);
|
||||
this->ctx = COPYIN_UINT32(this->fp + V8_OFF_FP_CONTEXT);
|
||||
}
|
||||
|
||||
dtrace:helper:ustack:
|
||||
/IS_SMI(this->ctx) && SMI_VALUE(this->ctx) == V8_FT_ADAPTOR/
|
||||
{
|
||||
this->done = 1;
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('a');
|
||||
APPEND_CHR('d');
|
||||
APPEND_CHR('a');
|
||||
APPEND_CHR('p');
|
||||
APPEND_CHR('t');
|
||||
APPEND_CHR('o');
|
||||
APPEND_CHR('r');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('\0');
|
||||
stringof(this->buf);
|
||||
this->done = 1;
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('a');
|
||||
APPEND_CHR('d');
|
||||
APPEND_CHR('a');
|
||||
APPEND_CHR('p');
|
||||
APPEND_CHR('t');
|
||||
APPEND_CHR('o');
|
||||
APPEND_CHR('r');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('\0');
|
||||
stringof(this->buf);
|
||||
}
|
||||
|
||||
/*
|
||||
@ -325,125 +327,125 @@ dtrace:helper:ustack:
|
||||
dtrace:helper:ustack:
|
||||
/!this->done/
|
||||
{
|
||||
this->marker = COPYIN_UINT32(this->fp + V8_OFF_FP_MARKER);
|
||||
this->marker = COPYIN_UINT32(this->fp + V8_OFF_FP_MARKER);
|
||||
}
|
||||
|
||||
dtrace:helper:ustack:
|
||||
/!this->done && IS_SMI(this->marker) &&
|
||||
SMI_VALUE(this->marker) == V8_FT_ENTRY/
|
||||
{
|
||||
this->done = 1;
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('e');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR('t');
|
||||
APPEND_CHR('r');
|
||||
APPEND_CHR('y');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('\0');
|
||||
stringof(this->buf);
|
||||
this->done = 1;
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('e');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR('t');
|
||||
APPEND_CHR('r');
|
||||
APPEND_CHR('y');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('\0');
|
||||
stringof(this->buf);
|
||||
}
|
||||
|
||||
dtrace:helper:ustack:
|
||||
/!this->done && IS_SMI(this->marker) &&
|
||||
SMI_VALUE(this->marker) == V8_FT_ENTRYCONSTRUCT/
|
||||
{
|
||||
this->done = 1;
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('e');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR('t');
|
||||
APPEND_CHR('r');
|
||||
APPEND_CHR('y');
|
||||
APPEND_CHR('_');
|
||||
APPEND_CHR('c');
|
||||
APPEND_CHR('o');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR('s');
|
||||
APPEND_CHR('t');
|
||||
APPEND_CHR('r');
|
||||
APPEND_CHR('u');
|
||||
APPEND_CHR('c');
|
||||
APPEND_CHR('t');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('\0');
|
||||
stringof(this->buf);
|
||||
this->done = 1;
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('e');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR('t');
|
||||
APPEND_CHR('r');
|
||||
APPEND_CHR('y');
|
||||
APPEND_CHR('_');
|
||||
APPEND_CHR('c');
|
||||
APPEND_CHR('o');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR('s');
|
||||
APPEND_CHR('t');
|
||||
APPEND_CHR('r');
|
||||
APPEND_CHR('u');
|
||||
APPEND_CHR('c');
|
||||
APPEND_CHR('t');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('\0');
|
||||
stringof(this->buf);
|
||||
}
|
||||
|
||||
dtrace:helper:ustack:
|
||||
/!this->done && IS_SMI(this->marker) &&
|
||||
SMI_VALUE(this->marker) == V8_FT_EXIT/
|
||||
{
|
||||
this->done = 1;
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('e');
|
||||
APPEND_CHR('x');
|
||||
APPEND_CHR('i');
|
||||
APPEND_CHR('t');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('\0');
|
||||
stringof(this->buf);
|
||||
this->done = 1;
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('e');
|
||||
APPEND_CHR('x');
|
||||
APPEND_CHR('i');
|
||||
APPEND_CHR('t');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('\0');
|
||||
stringof(this->buf);
|
||||
}
|
||||
|
||||
dtrace:helper:ustack:
|
||||
/!this->done && IS_SMI(this->marker) &&
|
||||
SMI_VALUE(this->marker) == V8_FT_INTERNAL/
|
||||
{
|
||||
this->done = 1;
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('i');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR('t');
|
||||
APPEND_CHR('e');
|
||||
APPEND_CHR('r');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR('a');
|
||||
APPEND_CHR('l');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('\0');
|
||||
stringof(this->buf);
|
||||
this->done = 1;
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('i');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR('t');
|
||||
APPEND_CHR('e');
|
||||
APPEND_CHR('r');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR('a');
|
||||
APPEND_CHR('l');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('\0');
|
||||
stringof(this->buf);
|
||||
}
|
||||
|
||||
dtrace:helper:ustack:
|
||||
/!this->done && IS_SMI(this->marker) &&
|
||||
SMI_VALUE(this->marker) == V8_FT_CONSTRUCT/
|
||||
{
|
||||
this->done = 1;
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('c');
|
||||
APPEND_CHR('o');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR('s');
|
||||
APPEND_CHR('t');
|
||||
APPEND_CHR('r');
|
||||
APPEND_CHR('u');
|
||||
APPEND_CHR('c');
|
||||
APPEND_CHR('t');
|
||||
APPEND_CHR('o');
|
||||
APPEND_CHR('r');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('\0');
|
||||
stringof(this->buf);
|
||||
this->done = 1;
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('c');
|
||||
APPEND_CHR('o');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR('s');
|
||||
APPEND_CHR('t');
|
||||
APPEND_CHR('r');
|
||||
APPEND_CHR('u');
|
||||
APPEND_CHR('c');
|
||||
APPEND_CHR('t');
|
||||
APPEND_CHR('o');
|
||||
APPEND_CHR('r');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('\0');
|
||||
stringof(this->buf);
|
||||
}
|
||||
|
||||
/*
|
||||
@ -454,36 +456,36 @@ dtrace:helper:ustack:
|
||||
dtrace:helper:ustack:
|
||||
/!this->done/
|
||||
{
|
||||
this->func = COPYIN_UINT32(this->fp + V8_OFF_FP_FUNC);
|
||||
this->map = V8_MAP_PTR(COPYIN_UINT32(this->func + V8_OFF_HEAPOBJ_MAP));
|
||||
this->attrs = COPYIN_UINT8(this->map + V8_OFF_MAP_ATTRS);
|
||||
this->func = COPYIN_UINT32(this->fp + V8_OFF_FP_FUNC);
|
||||
this->map = V8_MAP_PTR(COPYIN_UINT32(this->func + V8_OFF_HEAPOBJ_MAP));
|
||||
this->attrs = COPYIN_UINT8(this->map + V8_OFF_MAP_ATTRS);
|
||||
}
|
||||
|
||||
dtrace:helper:ustack:
|
||||
/!this->done && this->attrs == V8_IT_CODE/
|
||||
{
|
||||
this->done = 1;
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('i');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR('t');
|
||||
APPEND_CHR('e');
|
||||
APPEND_CHR('r');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR('a');
|
||||
APPEND_CHR('l');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('c');
|
||||
APPEND_CHR('o');
|
||||
APPEND_CHR('d');
|
||||
APPEND_CHR('e');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('\0');
|
||||
stringof(this->buf);
|
||||
this->done = 1;
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR('<');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('i');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR('t');
|
||||
APPEND_CHR('e');
|
||||
APPEND_CHR('r');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR('a');
|
||||
APPEND_CHR('l');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('c');
|
||||
APPEND_CHR('o');
|
||||
APPEND_CHR('d');
|
||||
APPEND_CHR('e');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR('\0');
|
||||
stringof(this->buf);
|
||||
}
|
||||
|
||||
/*
|
||||
@ -494,48 +496,48 @@ dtrace:helper:ustack:
|
||||
dtrace:helper:ustack:
|
||||
/!this->done/
|
||||
{
|
||||
this->map = 0;
|
||||
this->attrs = 0;
|
||||
this->map = 0;
|
||||
this->attrs = 0;
|
||||
|
||||
this->shared = COPYIN_UINT32(this->func + V8_OFF_FUNC_SHARED);
|
||||
this->funcnamestr = COPYIN_UINT32(this->shared + V8_OFF_SHARED_NAME);
|
||||
LOAD_STRFIELDS(this->funcnamestr, this->funcnamelen,
|
||||
this->funcnameattrs);
|
||||
this->shared = COPYIN_UINT32(this->func + V8_OFF_FUNC_SHARED);
|
||||
this->funcnamestr = COPYIN_UINT32(this->shared + V8_OFF_SHARED_NAME);
|
||||
LOAD_STRFIELDS(this->funcnamestr, this->funcnamelen,
|
||||
this->funcnameattrs);
|
||||
}
|
||||
|
||||
dtrace:helper:ustack:
|
||||
/!this->done && this->funcnamelen == 0/
|
||||
{
|
||||
/*
|
||||
* This is an anonymous function, but if it was invoked as a method of
|
||||
* some object then V8 will have computed an inferred name that we can
|
||||
* include in the stack trace.
|
||||
*/
|
||||
APPEND_CHR('(');
|
||||
APPEND_CHR('a');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR('o');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR(')');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('a');
|
||||
APPEND_CHR('s');
|
||||
APPEND_CHR(' ');
|
||||
/*
|
||||
* This is an anonymous function, but if it was invoked as a method of
|
||||
* some object then V8 will have computed an inferred name that we can
|
||||
* include in the stack trace.
|
||||
*/
|
||||
APPEND_CHR('(');
|
||||
APPEND_CHR('a');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR('o');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR(')');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('a');
|
||||
APPEND_CHR('s');
|
||||
APPEND_CHR(' ');
|
||||
|
||||
this->funcnamestr = COPYIN_UINT32(this->shared + V8_OFF_SHARED_INFERRED);
|
||||
LOAD_STRFIELDS(this->funcnamestr, this->funcnamelen,
|
||||
this->funcnameattrs);
|
||||
this->funcnamestr = COPYIN_UINT32(this->shared + V8_OFF_SHARED_INFERRED);
|
||||
LOAD_STRFIELDS(this->funcnamestr, this->funcnamelen,
|
||||
this->funcnameattrs);
|
||||
}
|
||||
|
||||
dtrace:helper:ustack:
|
||||
/!this->done && this->funcnamelen == 0/
|
||||
{
|
||||
APPEND_CHR('(');
|
||||
APPEND_CHR('a');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR('o');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR(')');
|
||||
APPEND_CHR('(');
|
||||
APPEND_CHR('a');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR('o');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR(')');
|
||||
}
|
||||
|
||||
APPEND_V8STR(this->funcnamestr, this->funcnamelen, this->funcnameattrs)
|
||||
@ -546,16 +548,15 @@ APPEND_V8STR(this->funcnamestr, this->funcnamelen, this->funcnameattrs)
|
||||
dtrace:helper:ustack:
|
||||
/!this->done/
|
||||
{
|
||||
this->script = COPYIN_UINT32(this->shared + V8_OFF_SHARED_SCRIPT);
|
||||
this->scriptnamestr = COPYIN_UINT32(this->script +
|
||||
V8_OFF_SCRIPT_NAME);
|
||||
LOAD_STRFIELDS(this->scriptnamestr, this->scriptnamelen,
|
||||
this->scriptnameattrs);
|
||||
this->script = COPYIN_UINT32(this->shared + V8_OFF_SHARED_SCRIPT);
|
||||
this->scriptnamestr = COPYIN_UINT32(this->script + V8_OFF_SCRIPT_NAME);
|
||||
LOAD_STRFIELDS(this->scriptnamestr, this->scriptnamelen,
|
||||
this->scriptnameattrs);
|
||||
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('a');
|
||||
APPEND_CHR('t');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('a');
|
||||
APPEND_CHR('t');
|
||||
APPEND_CHR(' ');
|
||||
}
|
||||
|
||||
APPEND_V8STR(this->scriptnamestr, this->scriptnamelen, this->scriptnameattrs)
|
||||
@ -566,35 +567,34 @@ APPEND_V8STR(this->scriptnamestr, this->scriptnamelen, this->scriptnameattrs)
|
||||
dtrace:helper:ustack:
|
||||
/!this->done/
|
||||
{
|
||||
this->position = COPYIN_UINT32(this->shared + V8_OFF_SHARED_FUNTOK);
|
||||
this->line_ends = COPYIN_UINT32(this->script + V8_OFF_SCRIPT_LENDS);
|
||||
this->map = V8_MAP_PTR(COPYIN_UINT32(this->line_ends +
|
||||
V8_OFF_HEAPOBJ_MAP));
|
||||
this->le_attrs = COPYIN_UINT8(this->map + V8_OFF_MAP_ATTRS);
|
||||
this->position = COPYIN_UINT32(this->shared + V8_OFF_SHARED_FUNTOK);
|
||||
this->line_ends = COPYIN_UINT32(this->script + V8_OFF_SCRIPT_LENDS);
|
||||
this->map = V8_MAP_PTR(COPYIN_UINT32(this->line_ends + V8_OFF_HEAPOBJ_MAP));
|
||||
this->le_attrs = COPYIN_UINT8(this->map + V8_OFF_MAP_ATTRS);
|
||||
}
|
||||
|
||||
dtrace:helper:ustack:
|
||||
/!this->done && this->le_attrs != V8_IT_FIXEDARRAY/
|
||||
{
|
||||
/*
|
||||
* If the line number array was not a valid FixedArray, it's probably
|
||||
* undefined because V8 has not had to compute it yet. In this case we
|
||||
* just show the raw position and call it a day.
|
||||
*/
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('p');
|
||||
APPEND_CHR('o');
|
||||
APPEND_CHR('s');
|
||||
APPEND_CHR('i');
|
||||
APPEND_CHR('t');
|
||||
APPEND_CHR('i');
|
||||
APPEND_CHR('o');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_NUM(this->position);
|
||||
APPEND_CHR('\0');
|
||||
this->done = 1;
|
||||
stringof(this->buf);
|
||||
/*
|
||||
* If the line number array was not a valid FixedArray, it's probably
|
||||
* undefined because V8 has not had to compute it yet. In this case we
|
||||
* just show the raw position and call it a day.
|
||||
*/
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('p');
|
||||
APPEND_CHR('o');
|
||||
APPEND_CHR('s');
|
||||
APPEND_CHR('i');
|
||||
APPEND_CHR('t');
|
||||
APPEND_CHR('i');
|
||||
APPEND_CHR('o');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_NUM(this->position);
|
||||
APPEND_CHR('\0');
|
||||
this->done = 1;
|
||||
stringof(this->buf);
|
||||
}
|
||||
|
||||
/*
|
||||
@ -606,12 +606,12 @@ dtrace:helper:ustack:
|
||||
dtrace:helper:ustack:
|
||||
/!this->done/
|
||||
{
|
||||
/* initialize binary search */
|
||||
this->bsearch_line = this->position < COPYIN_UINT32(
|
||||
this->line_ends + V8_OFF_FA_DATA) ? 1 : 0;
|
||||
this->bsearch_min = 0;
|
||||
this->bsearch_max = this->bsearch_line != 0 ? 0 :
|
||||
SMI_VALUE(COPYIN_UINT32(this->line_ends + V8_OFF_FA_SIZE)) - 1;
|
||||
/* initialize binary search */
|
||||
this->bsearch_line = this->position <
|
||||
COPYIN_UINT32(this->line_ends + V8_OFF_FA_DATA) ? 1 : 0;
|
||||
this->bsearch_min = 0;
|
||||
this->bsearch_max = this->bsearch_line != 0 ? 0 :
|
||||
SMI_VALUE(COPYIN_UINT32(this->line_ends + V8_OFF_FA_SIZE)) - 1;
|
||||
}
|
||||
|
||||
/*
|
||||
@ -619,28 +619,28 @@ dtrace:helper:ustack:
|
||||
* iterations. That's enough to precisely identify the line number in files up
|
||||
* to 32768 lines of code.
|
||||
*/
|
||||
#define BSEARCH_LOOP \
|
||||
dtrace:helper:ustack: \
|
||||
/!this->done && this->bsearch_max >= 1/ \
|
||||
{ \
|
||||
this->ii = (this->bsearch_min + this->bsearch_max) >> 1; \
|
||||
} \
|
||||
\
|
||||
dtrace:helper:ustack: \
|
||||
/!this->done && this->bsearch_max >= 1 && \
|
||||
this->position > COPYIN_UINT32(this->line_ends + V8_OFF_FA_DATA + \
|
||||
this->ii * sizeof (uint32_t))/ \
|
||||
{ \
|
||||
this->bsearch_min = this->ii + 1; \
|
||||
} \
|
||||
\
|
||||
dtrace:helper:ustack: \
|
||||
/!this->done && this->bsearch_max >= 1 && \
|
||||
this->position <= COPYIN_UINT32(this->line_ends + V8_OFF_FA_DATA + \
|
||||
(this->ii - 1) * sizeof (uint32_t))/ \
|
||||
{ \
|
||||
this->bsearch_max = this->ii - 1; \
|
||||
}
|
||||
#define BSEARCH_LOOP \
|
||||
dtrace:helper:ustack: \
|
||||
/!this->done && this->bsearch_max >= 1/ \
|
||||
{ \
|
||||
this->ii = (this->bsearch_min + this->bsearch_max) >> 1; \
|
||||
} \
|
||||
\
|
||||
dtrace:helper:ustack: \
|
||||
/!this->done && this->bsearch_max >= 1 && \
|
||||
this->position > COPYIN_UINT32(this->line_ends + V8_OFF_FA_DATA + \
|
||||
this->ii * sizeof (uint32_t))/ \
|
||||
{ \
|
||||
this->bsearch_min = this->ii + 1; \
|
||||
} \
|
||||
\
|
||||
dtrace:helper:ustack: \
|
||||
/!this->done && this->bsearch_max >= 1 && \
|
||||
this->position <= COPYIN_UINT32(this->line_ends + V8_OFF_FA_DATA + \
|
||||
(this->ii - 1) * sizeof (uint32_t))/ \
|
||||
{ \
|
||||
this->bsearch_max = this->ii - 1; \
|
||||
}
|
||||
|
||||
BSEARCH_LOOP
|
||||
BSEARCH_LOOP
|
||||
@ -661,20 +661,20 @@ BSEARCH_LOOP
|
||||
dtrace:helper:ustack:
|
||||
/!this->done && !this->bsearch_line/
|
||||
{
|
||||
this->bsearch_line = this->ii + 1;
|
||||
this->bsearch_line = this->ii + 1;
|
||||
}
|
||||
|
||||
dtrace:helper:ustack:
|
||||
/!this->done/
|
||||
{
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('l');
|
||||
APPEND_CHR('i');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR('e');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_NUM(this->bsearch_line);
|
||||
APPEND_CHR('\0');
|
||||
this->done = 1;
|
||||
stringof(this->buf);
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('l');
|
||||
APPEND_CHR('i');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR('e');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_NUM(this->bsearch_line);
|
||||
APPEND_CHR('\0');
|
||||
this->done = 1;
|
||||
stringof(this->buf);
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user