build: add support for DTrace and postmortem

* fixes #2110
* includes V8 postmortem metadata in Solaris builds
* adds GYP support for DTrace probes and ustack helper
* ustack helper derives constants dynamically from libv8_base.a
* build with DTrace support by default on SunOS

3 files changed, 87 insertions, 87 deletions

diff --git a/src/v8abbr.h b/src/v8abbr.h
new file mode 100644
index 00000000000..ac4a1693952
--- /dev/null
+++ b/src/v8abbr.h
@@ -0,0 +1,86 @@
+/*
+ * This header defines short names for V8 constants for use by the ustack
+ * helper.
+ */
+
+#ifndef V8_ABBR_H
+#define V8_ABBR_H
+
+/* Frame pointer offsets */
+#define V8_OFF_FP_FUNC              ((uint32_t)V8DBG_OFF_FP_FUNCTION)
+#define V8_OFF_FP_CONTEXT           ((uint32_t)V8DBG_OFF_FP_CONTEXT)
+#define V8_OFF_FP_MARKER            ((uint32_t)V8DBG_OFF_FP_MARKER)
+
+/* Stack frame types */
+#define V8_FT_ENTRY                 V8DBG_FRAMETYPE_ENTRYFRAME
+#define V8_FT_ENTRYCONSTRUCT        V8DBG_FRAMETYPE_ENTRYCONSTRUCTFRAME
+#define V8_FT_EXIT                  V8DBG_FRAMETYPE_EXITFRAME
+#define V8_FT_JAVASCRIPT            V8DBG_FRAMETYPE_JAVASCRIPTFRAME
+#define V8_FT_OPTIMIZED             V8DBG_FRAMETYPE_OPTIMIZEDFRAME
+#define V8_FT_INTERNAL              V8DBG_FRAMETYPE_INTERNALFRAME
+#define V8_FT_CONSTRUCT             V8DBG_FRAMETYPE_CONSTRUCTFRAME
+#define V8_FT_ADAPTOR               V8DBG_FRAMETYPE_ARGUMENTSADAPTORFRAME
+
+/* Identification masks and tags */
+#define V8_SmiTagMask               V8DBG_SMITAGMASK
+#define V8_SmiTag                   V8DBG_SMITAG
+#define V8_SmiValueShift            V8_SmiTagMask
+
+#define V8_HeapObjectTagMask        V8DBG_HEAPOBJECTTAGMASK
+#define V8_HeapObjectTag            V8DBG_HEAPOBJECTTAG
+
+#define V8_IsNotStringMask          V8DBG_ISNOTSTRINGMASK
+#define V8_StringTag                V8DBG_STRINGTAG
+
+#define V8_StringEncodingMask       V8DBG_STRINGENCODINGMASK
+#define V8_AsciiStringTag           V8DBG_ASCIISTRINGTAG
+
+#define V8_StringRepresentationMask V8DBG_STRINGREPRESENTATIONMASK
+#define V8_SeqStringTag             V8DBG_SEQSTRINGTAG
+#define V8_ConsStringTag            V8DBG_CONSSTRINGTAG
+#define V8_ExternalStringTag        V8DBG_EXTERNALSTRINGTAG
+
+/* Instance types */
+#define V8_IT_FIXEDARRAY            V8DBG_TYPE_FIXEDARRAY__FIXED_ARRAY_TYPE
+#define V8_IT_CODE                  V8DBG_TYPE_CODE__CODE_TYPE
+
+/* Node-specific offsets */
+#define NODE_OFF_EXTSTR_DATA        0x4
+
+/* Heap class->field offsets */
+#define V8_OFF_HEAP(off)            ((off) - 1)
+
+#define V8_OFF_FUNC_SHARED  \
+    V8_OFF_HEAP(V8DBG_CLASS_JSFUNCTION__SHARED__SHAREDFUNCTIONINFO)
+#define V8_OFF_SHARED_NAME  \
+    V8_OFF_HEAP(V8DBG_CLASS_SHAREDFUNCTIONINFO__NAME__OBJECT)
+#define V8_OFF_SHARED_INFERRED  \
+    V8_OFF_HEAP(V8DBG_CLASS_SHAREDFUNCTIONINFO__INFERRED_NAME__STRING)
+#define V8_OFF_SHARED_SCRIPT  \
+    V8_OFF_HEAP(V8DBG_CLASS_SHAREDFUNCTIONINFO__SCRIPT__OBJECT)
+#define V8_OFF_SHARED_FUNTOK  \
+    V8_OFF_HEAP(V8DBG_CLASS_SHAREDFUNCTIONINFO__FUNCTION_TOKEN_POSITION__SMI)
+#define V8_OFF_SCRIPT_NAME  \
+    V8_OFF_HEAP(V8DBG_CLASS_SCRIPT__NAME__OBJECT)
+#define V8_OFF_SCRIPT_LENDS \
+    V8_OFF_HEAP(V8DBG_CLASS_SCRIPT__LINE_ENDS__OBJECT)
+#define V8_OFF_STR_LENGTH \
+    V8_OFF_HEAP(V8DBG_CLASS_STRING__LENGTH__SMI)
+#define V8_OFF_STR_CHARS  \
+    V8_OFF_HEAP(V8DBG_CLASS_SEQASCIISTRING__CHARS__CHAR)
+#define V8_OFF_CONSSTR_CAR  \
+    V8_OFF_HEAP(V8DBG_CLASS_CONSSTRING__FIRST__STRING)
+#define V8_OFF_CONSSTR_CDR  \
+    V8_OFF_HEAP(V8DBG_CLASS_CONSSTRING__SECOND__STRING)
+#define V8_OFF_EXTSTR_RSRC  \
+    V8_OFF_HEAP(V8DBG_CLASS_EXTERNALSTRING__RESOURCE__OBJECT)
+#define V8_OFF_FA_SIZE    \
+    V8_OFF_HEAP(V8DBG_CLASS_FIXEDARRAYBASE__LENGTH__SMI)
+#define V8_OFF_FA_DATA    \
+    V8_OFF_HEAP(V8DBG_CLASS_FIXEDARRAY__DATA__UINTPTR_T)
+#define V8_OFF_HEAPOBJ_MAP  \
+    V8_OFF_HEAP(V8DBG_CLASS_HEAPOBJECT__MAP__MAP)
+#define V8_OFF_MAP_ATTRS  \
+    V8_OFF_HEAP(V8DBG_CLASS_MAP__INSTANCE_ATTRIBUTES__INT)
+
+#endif /* V8_ABBR_H */
diff --git a/src/v8constants.h b/src/v8constants.h
deleted file mode 100644
index 56084934472..00000000000
--- a/src/v8constants.h
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * The following offsets are derived from the V8 3.6.6.14 source.  A future
- * version of this helper will automatically generate this file based on the
- * debug metadata included in libv8.  See v8ustack.d for details on how these
- * values are used.
- */
-
-#ifndef V8_CONSTANTS_H
-#define	V8_CONSTANTS_H
-
-#if defined(__i386)
-
-/*
- * Frame pointer offsets
- */
-#define	V8_OFF_FP_FUNC		(-0x8)
-#define	V8_OFF_FP_CONTEXT	(-0x4)
-#define	V8_OFF_FP_MARKER	(-0x8)
-
-/*
- * Heap class->field offsets
- */
-#define	V8_OFF_HEAP(off)	((off) - 1)
-
-#define	V8_OFF_FUNC_SHARED	V8_OFF_HEAP(0x14)
-#define	V8_OFF_SHARED_NAME	V8_OFF_HEAP(0x4)
-#define	V8_OFF_SHARED_INFERRED	V8_OFF_HEAP(0x24)
-#define	V8_OFF_SHARED_SCRIPT	V8_OFF_HEAP(0x1c)
-#define	V8_OFF_SHARED_FUNTOK	V8_OFF_HEAP(0x4c)
-#define	V8_OFF_SCRIPT_NAME	V8_OFF_HEAP(0x8)
-#define	V8_OFF_SCRIPT_LENDS	V8_OFF_HEAP(0x28)
-#define	V8_OFF_STR_LENGTH	V8_OFF_HEAP(0x4)
-#define	V8_OFF_STR_CHARS	V8_OFF_HEAP(0xc)
-#define	V8_OFF_CONSSTR_CAR	V8_OFF_HEAP(0xc)
-#define	V8_OFF_CONSSTR_CDR	V8_OFF_HEAP(0x10)
-#define	V8_OFF_EXTSTR_RSRC	V8_OFF_HEAP(0xc)
-#define	V8_OFF_FA_SIZE		V8_OFF_HEAP(0x4)
-#define	V8_OFF_FA_DATA		V8_OFF_HEAP(0x8)
-#define	V8_OFF_HEAPOBJ_MAP	V8_OFF_HEAP(0x0)
-#define	V8_OFF_MAP_ATTRS	V8_OFF_HEAP(0x8)
-
-#define	NODE_OFF_EXTSTR_DATA	0x4
-
-/*
- * Stack frame types
- */
-#define	V8_FT_ENTRY		0x1
-#define	V8_FT_ENTRYCONSTRUCT	0x2
-#define	V8_FT_EXIT		0x3
-#define	V8_FT_JAVASCRIPT	0x4
-#define	V8_FT_OPTIMIZED		0x5
-#define	V8_FT_INTERNAL		0x6
-#define	V8_FT_CONSTRUCT		0x7
-#define	V8_FT_ADAPTOR		0x8
-
-/*
- * Instance types
- */
-#define	V8_IT_FIXEDARRAY	0x9f
-#define	V8_IT_CODE		0x81
-
-/*
- * Identification masks and tags
- */
-#define	V8_SmiTagMask		0x1
-#define	V8_SmiTag		0x0
-#define	V8_SmiValueShift	V8_SmiTagMask
-
-#define	V8_HeapObjectTagMask	0x3
-#define	V8_HeapObjectTag	0x1
-
-#define	V8_IsNotStringMask	0x80
-#define	V8_StringTag		0x0
-
-#define	V8_StringEncodingMask	0x4
-#define	V8_AsciiStringTag	0x4
-
-#define	V8_StringRepresentationMask	0x3
-#define	V8_SeqStringTag		0x0
-#define	V8_ConsStringTag	0x1
-#define	V8_ExternalStringTag	0x2
-
-#else
-#error "only i386 is supported for DTrace ustack helper"
-#endif
-
-#endif /* V8_CONSTANTS_H */
diff --git a/src/v8ustack.d b/src/v8ustack.d
index 489e55cf36c..27e90344924 100644
--- a/src/v8ustack.d
+++ b/src/v8ustack.d
@@ -11,6 +11,7 @@
  */
 
 #include <v8constants.h>
+#include <v8abbr.h>
 
 /*
  * V8 represents small integers (SMI) using the upper 31 bits of a 32-bit