dtrace: fix style in ustack helper
This commit is contained in:
Fedor Indutny
Ben Noordhuis
parent
831af97df2
commit
3cb5bf1c0d
296
src/v8ustack.d
296
src/v8ustack.d
@ -20,7 +20,7 @@
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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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((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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@ -34,8 +34,7 @@
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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) \
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(((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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(((type) & V8_StringEncodingMask) == V8_AsciiStringTag)
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@ -64,56 +63,19 @@
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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_UINT64(addr) (*(uint64_t*) copyin((addr), sizeof(uint64_t)))
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#if defined(__i386)
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# define COPYIN_PTR(addr) COPYIN_UINT32(addr)
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# define off_t uint32_t
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# define APPEND_PTR(p) APPEND_PTR_32(p)
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#else
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# define COPYIN_PTR(addr) COPYIN_UINT64(addr)
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# define off_t uint64_t
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# define APPEND_PTR(p) APPEND_PTR_64(p)
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#endif
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#define APPEND_CHR(c) (this->buf[this->off++] = (c))
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#define APPEND_CHR4(s0, s1, s2, s3) \
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APPEND_CHR(s0); \
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APPEND_CHR(s1); \
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APPEND_CHR(s2); \
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APPEND_CHR(s3);
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#define APPEND_CHR8(s0, s1, s2, s3, s4, s5, s6, s7) \
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APPEND_CHR4(s0, s1, s2, s3) \
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APPEND_CHR4(s4, s5, s6, s7)
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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), 100000); \
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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_HEX(d) \
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APPEND_CHR((d) < 10 ? '0' + (d) : 'a' - 10 + (d))
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#define APPEND_PTR_32(p) \
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APPEND_HEX((p >> 28) & 0xf); \
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APPEND_HEX((p >> 24) & 0xf); \
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APPEND_HEX((p >> 20) & 0xf); \
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APPEND_HEX((p >> 16) & 0xf); \
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APPEND_HEX((p >> 12) & 0xf); \
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APPEND_HEX((p >> 8) & 0xf); \
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APPEND_HEX((p >> 4) & 0xf); \
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APPEND_HEX((p) & 0xf);
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#define APPEND_PTR_64(p) \
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APPEND_PTR_32(p >> 32) \
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APPEND_PTR_32(p)
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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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@ -137,8 +99,8 @@
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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_PTR(str + V8_OFF_STR_LENGTH)); \
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this->map = V8_MAP_PTR(COPYIN_PTR(str + V8_OFF_HEAPOBJ_MAP)); \
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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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@ -161,8 +123,8 @@
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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_PTR(str + V8_OFF_EXTSTR_RSRC); \
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this->dataptr = COPYIN_PTR(this->resource + NODE_OFF_EXTSTR_DATA); \
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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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@ -200,17 +162,17 @@
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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 = (off_t) 0; \
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this->s3str = this->s4str = this->s5str = (off_t) 0; \
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this->s6str = this->s7str = this->s8str = (off_t) 0; \
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this->s9str = this->s10str = this->s11str = (off_t) 0; \
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this->s12str = this->s13str = (off_t) 0; \
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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 = (off_t) 0; \
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this->s3len = this->s4len = this->s5len = (off_t) 0; \
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this->s6len = this->s7len = this->s8len = (off_t) 0; \
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this->s9len = this->s10len = this->s11len = (off_t) 0; \
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this->s12len = this->s13len = (off_t) 0; \
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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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@ -230,10 +192,10 @@
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{ \
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len = 0; \
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\
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s1s = COPYIN_PTR(str + V8_OFF_CONSSTR_CAR); \
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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_PTR(str + V8_OFF_CONSSTR_CDR); \
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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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@ -306,21 +268,21 @@ dtrace:helper:ustack:
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this->done = 0;
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/* program state */
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this->ctx = (off_t) 0;
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this->marker = (off_t) 0;
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this->func = (off_t) 0;
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this->shared = (off_t) 0;
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this->map = (off_t) 0;
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this->ctx = 0;
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this->marker = 0;
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this->func = 0;
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this->shared = 0;
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this->map = 0;
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this->attrs = 0;
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this->funcnamestr = (off_t) 0;
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this->funcnamestr = 0;
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this->funcnamelen = 0;
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this->funcnameattrs = 0;
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this->script = (off_t) 0;
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this->scriptnamestr = (off_t) 0;
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this->script = 0;
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this->scriptnamestr = 0;
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this->scriptnamelen = 0;
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this->scriptnameattrs = 0;
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this->position = 0;
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this->line_ends = (off_t) 0;
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this->line_ends = 0;
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this->le_attrs = 0;
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/* binary search fields */
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@ -335,15 +297,27 @@ dtrace:helper:ustack:
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*/
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dtrace:helper:ustack:
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{
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this->ctx = COPYIN_PTR(this->fp + V8_OFF_FP_CONTEXT);
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this->ctx = COPYIN_UINT32(this->fp + V8_OFF_FP_CONTEXT);
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}
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dtrace:helper:ustack:
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/IS_SMI(this->ctx) && SMI_VALUE(this->ctx) == V8_FT_ADAPTOR/
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{
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this->done = 1;
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APPEND_CHR8('<','<',' ','a','d','a','p','t');
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APPEND_CHR8('o','r',' ','>','>','\0','\0','\0');
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APPEND_CHR('<');
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APPEND_CHR('<');
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APPEND_CHR(' ');
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APPEND_CHR('a');
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APPEND_CHR('d');
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APPEND_CHR('a');
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APPEND_CHR('p');
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APPEND_CHR('t');
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APPEND_CHR('o');
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APPEND_CHR('r');
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APPEND_CHR(' ');
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APPEND_CHR('>');
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APPEND_CHR('>');
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APPEND_CHR('\0');
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stringof(this->buf);
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}
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@ -353,7 +327,7 @@ dtrace:helper:ustack:
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dtrace:helper:ustack:
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/!this->done/
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{
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this->marker = COPYIN_PTR(this->fp + V8_OFF_FP_MARKER);
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this->marker = COPYIN_UINT32(this->fp + V8_OFF_FP_MARKER);
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}
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dtrace:helper:ustack:
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@ -361,8 +335,18 @@ dtrace:helper:ustack:
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SMI_VALUE(this->marker) == V8_FT_ENTRY/
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{
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this->done = 1;
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APPEND_CHR8('<','<',' ','e','n','t','r','y');
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APPEND_CHR4(' ','>','>','\0');
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APPEND_CHR('<');
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APPEND_CHR('<');
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APPEND_CHR(' ');
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APPEND_CHR('e');
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APPEND_CHR('n');
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APPEND_CHR('t');
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APPEND_CHR('r');
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APPEND_CHR('y');
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APPEND_CHR(' ');
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APPEND_CHR('>');
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APPEND_CHR('>');
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APPEND_CHR('\0');
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stringof(this->buf);
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}
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@ -371,9 +355,27 @@ dtrace:helper:ustack:
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SMI_VALUE(this->marker) == V8_FT_ENTRYCONSTRUCT/
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{
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this->done = 1;
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APPEND_CHR8('<','<',' ','e','n','t','r','y');
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APPEND_CHR8('_','c','o','n','s','t','r','u');
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APPEND_CHR4('t',' ','>','>');
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APPEND_CHR('<');
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APPEND_CHR('<');
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APPEND_CHR(' ');
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APPEND_CHR('e');
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APPEND_CHR('n');
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APPEND_CHR('t');
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APPEND_CHR('r');
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APPEND_CHR('y');
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APPEND_CHR('_');
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APPEND_CHR('c');
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APPEND_CHR('o');
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APPEND_CHR('n');
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APPEND_CHR('s');
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APPEND_CHR('t');
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APPEND_CHR('r');
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APPEND_CHR('u');
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APPEND_CHR('c');
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APPEND_CHR('t');
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APPEND_CHR(' ');
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APPEND_CHR('>');
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APPEND_CHR('>');
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APPEND_CHR('\0');
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stringof(this->buf);
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}
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@ -383,8 +385,17 @@ dtrace:helper:ustack:
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SMI_VALUE(this->marker) == V8_FT_EXIT/
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{
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this->done = 1;
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APPEND_CHR8('<','<',' ','e','x','i','t',' ');
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APPEND_CHR4('>','>','\0','\0');
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APPEND_CHR('<');
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APPEND_CHR('<');
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APPEND_CHR(' ');
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APPEND_CHR('e');
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APPEND_CHR('x');
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APPEND_CHR('i');
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APPEND_CHR('t');
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APPEND_CHR(' ');
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APPEND_CHR('>');
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APPEND_CHR('>');
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APPEND_CHR('\0');
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stringof(this->buf);
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}
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@ -393,8 +404,21 @@ dtrace:helper:ustack:
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SMI_VALUE(this->marker) == V8_FT_INTERNAL/
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{
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this->done = 1;
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APPEND_CHR8('<','<',' ','i','n','t','e','r');
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APPEND_CHR8('n','a','l',' ','>','>','\0','\0');
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APPEND_CHR('<');
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APPEND_CHR('<');
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APPEND_CHR(' ');
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APPEND_CHR('i');
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APPEND_CHR('n');
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APPEND_CHR('t');
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APPEND_CHR('e');
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APPEND_CHR('r');
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APPEND_CHR('n');
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APPEND_CHR('a');
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APPEND_CHR('l');
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APPEND_CHR(' ');
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APPEND_CHR('>');
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APPEND_CHR('>');
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APPEND_CHR('\0');
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stringof(this->buf);
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}
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@ -403,9 +427,24 @@ dtrace:helper:ustack:
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SMI_VALUE(this->marker) == V8_FT_CONSTRUCT/
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{
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this->done = 1;
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APPEND_CHR8('<','<',' ','c','o','n','s','t');
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APPEND_CHR8('r','u','c','t','o','r',' ','>');
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APPEND_CHR4('>','\0','\0','\0');
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APPEND_CHR('<');
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APPEND_CHR('<');
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APPEND_CHR(' ');
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APPEND_CHR('c');
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APPEND_CHR('o');
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APPEND_CHR('n');
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APPEND_CHR('s');
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APPEND_CHR('t');
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APPEND_CHR('r');
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APPEND_CHR('u');
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APPEND_CHR('c');
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APPEND_CHR('t');
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APPEND_CHR('o');
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APPEND_CHR('r');
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APPEND_CHR(' ');
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APPEND_CHR('>');
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APPEND_CHR('>');
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APPEND_CHR('\0');
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stringof(this->buf);
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}
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@ -417,8 +456,8 @@ dtrace:helper:ustack:
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dtrace:helper:ustack:
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/!this->done/
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{
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this->func = COPYIN_PTR(this->fp + V8_OFF_FP_FUNC);
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this->map = V8_MAP_PTR(COPYIN_PTR(this->func + V8_OFF_HEAPOBJ_MAP));
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this->func = COPYIN_UINT32(this->fp + V8_OFF_FP_FUNC);
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this->map = V8_MAP_PTR(COPYIN_UINT32(this->func + V8_OFF_HEAPOBJ_MAP));
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this->attrs = COPYIN_UINT8(this->map + V8_OFF_MAP_ATTRS);
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}
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@ -426,9 +465,26 @@ dtrace:helper:ustack:
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/!this->done && this->attrs == V8_IT_CODE/
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{
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this->done = 1;
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APPEND_CHR8('<','<',' ','i','n','t','e','r');
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APPEND_CHR8('n','a','l',' ','c','o','d','e');
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APPEND_CHR4(' ','>','>','\0');
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APPEND_CHR('<');
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APPEND_CHR('<');
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APPEND_CHR(' ');
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APPEND_CHR('i');
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APPEND_CHR('n');
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APPEND_CHR('t');
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APPEND_CHR('e');
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APPEND_CHR('r');
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APPEND_CHR('n');
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APPEND_CHR('a');
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APPEND_CHR('l');
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APPEND_CHR(' ');
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APPEND_CHR('c');
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APPEND_CHR('o');
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APPEND_CHR('d');
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APPEND_CHR('e');
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APPEND_CHR(' ');
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APPEND_CHR('>');
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APPEND_CHR('>');
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APPEND_CHR('\0');
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stringof(this->buf);
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}
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@ -443,8 +499,8 @@ dtrace:helper:ustack:
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this->map = 0;
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this->attrs = 0;
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this->shared = COPYIN_PTR(this->func + V8_OFF_FUNC_SHARED);
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this->funcnamestr = COPYIN_PTR(this->shared + V8_OFF_SHARED_NAME);
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this->shared = COPYIN_UINT32(this->func + V8_OFF_FUNC_SHARED);
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this->funcnamestr = COPYIN_UINT32(this->shared + V8_OFF_SHARED_NAME);
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LOAD_STRFIELDS(this->funcnamestr, this->funcnamelen,
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this->funcnameattrs);
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}
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@ -457,11 +513,18 @@ dtrace:helper:ustack:
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* some object then V8 will have computed an inferred name that we can
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* include in the stack trace.
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*/
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APPEND_CHR8('(','a','n','o','n',')',' ','a');
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APPEND_CHR('(');
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APPEND_CHR('a');
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APPEND_CHR('n');
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APPEND_CHR('o');
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APPEND_CHR('n');
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APPEND_CHR(')');
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APPEND_CHR(' ');
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APPEND_CHR('a');
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APPEND_CHR('s');
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APPEND_CHR(' ');
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this->funcnamestr = COPYIN_PTR(this->shared + V8_OFF_SHARED_INFERRED);
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this->funcnamestr = COPYIN_UINT32(this->shared + V8_OFF_SHARED_INFERRED);
|
||||
LOAD_STRFIELDS(this->funcnamestr, this->funcnamelen,
|
||||
this->funcnameattrs);
|
||||
}
|
||||
@ -470,7 +533,10 @@ dtrace:helper:ustack:
|
||||
/!this->done && this->funcnamelen == 0/
|
||||
{
|
||||
APPEND_CHR('(');
|
||||
APPEND_CHR4('a','n','o','n');
|
||||
APPEND_CHR('a');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR('o');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR(')');
|
||||
}
|
||||
|
||||
@ -482,19 +548,15 @@ APPEND_V8STR(this->funcnamestr, this->funcnamelen, this->funcnameattrs)
|
||||
dtrace:helper:ustack:
|
||||
/!this->done/
|
||||
{
|
||||
this->script = COPYIN_PTR(this->shared + V8_OFF_SHARED_SCRIPT);
|
||||
this->scriptnamestr = COPYIN_PTR(this->script + V8_OFF_SCRIPT_NAME);
|
||||
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_CHR4(' ','a','t',' ');
|
||||
}
|
||||
|
||||
dtrace:helper:ustack:
|
||||
/!this->done && this->scriptnamelen == 0/
|
||||
{
|
||||
APPEND_CHR8('<','u','n','k','n','o','w','n');
|
||||
APPEND_CHR('>');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR('a');
|
||||
APPEND_CHR('t');
|
||||
APPEND_CHR(' ');
|
||||
}
|
||||
|
||||
APPEND_V8STR(this->scriptnamestr, this->scriptnamelen, this->scriptnameattrs)
|
||||
@ -506,8 +568,8 @@ dtrace:helper:ustack:
|
||||
/!this->done/
|
||||
{
|
||||
this->position = COPYIN_UINT32(this->shared + V8_OFF_SHARED_FUNTOK);
|
||||
this->line_ends = COPYIN_PTR(this->script + V8_OFF_SCRIPT_LENDS);
|
||||
this->map = V8_MAP_PTR(COPYIN_PTR(this->line_ends + V8_OFF_HEAPOBJ_MAP));
|
||||
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);
|
||||
}
|
||||
|
||||
@ -519,7 +581,14 @@ dtrace:helper:ustack:
|
||||
* 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_CHR8(' ','p','o','s','i','t','i','o');
|
||||
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);
|
||||
@ -539,10 +608,10 @@ dtrace:helper:ustack:
|
||||
{
|
||||
/* initialize binary search */
|
||||
this->bsearch_line = this->position <
|
||||
SMI_VALUE(COPYIN_PTR(this->line_ends + V8_OFF_FA_DATA)) ? 1 : 0;
|
||||
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_PTR(this->line_ends + V8_OFF_FA_SIZE)) - 1;
|
||||
SMI_VALUE(COPYIN_UINT32(this->line_ends + V8_OFF_FA_SIZE)) - 1;
|
||||
}
|
||||
|
||||
/*
|
||||
@ -559,18 +628,16 @@ dtrace:helper:ustack:
|
||||
\
|
||||
dtrace:helper:ustack: \
|
||||
/!this->done && this->bsearch_max >= 1 && \
|
||||
this->position > SMI_VALUE( \
|
||||
COPYIN_PTR(this->line_ends + V8_OFF_FA_DATA + \
|
||||
this->ii * sizeof (uint32_t)))/ \
|
||||
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 <= SMI_VALUE( \
|
||||
COPYIN_PTR(this->line_ends + V8_OFF_FA_DATA + \
|
||||
(this->ii - 1) * sizeof (uint32_t)))/ \
|
||||
this->position <= COPYIN_UINT32(this->line_ends + V8_OFF_FA_DATA + \
|
||||
(this->ii - 1) * sizeof (uint32_t))/ \
|
||||
{ \
|
||||
this->bsearch_max = this->ii - 1; \
|
||||
}
|
||||
@ -601,7 +668,10 @@ dtrace:helper:ustack:
|
||||
/!this->done/
|
||||
{
|
||||
APPEND_CHR(' ');
|
||||
APPEND_CHR4('l','i','n','e');
|
||||
APPEND_CHR('l');
|
||||
APPEND_CHR('i');
|
||||
APPEND_CHR('n');
|
||||
APPEND_CHR('e');
|
||||
APPEND_CHR(' ');
|
||||
APPEND_NUM(this->bsearch_line);
|
||||
APPEND_CHR('\0');
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user