X-Git-Url: http://git.efficios.com/?p=ctf.git;a=blobdiff_plain;f=common-trace-format-proposal.txt;h=4cd7e7c751fcdbb851ac1f0c500471826827a269;hp=4cb69429e9c0256ee8d46d261e34f924fe747ce4;hb=b9606a77153ca805c474ad34693085fdebcbc36d;hpb=457d8b0a0cff67a7489b7eead5b8b26701b430f8 diff --git a/common-trace-format-proposal.txt b/common-trace-format-proposal.txt index 4cb6942..4cd7e7c 100644 --- a/common-trace-format-proposal.txt +++ b/common-trace-format-proposal.txt @@ -68,14 +68,10 @@ A metadata event stream contains information on trace event types. It describes: 3. Event stream An event stream is divided in contiguous event packets of variable size. These -subdivisions have a variable size. An event packet can contain a certain amount -of padding at the end. The rationale for the event stream design choices is -explained in Appendix B. Stream Header Rationale. - -An event stream is divided in contiguous event packets of variable size. These -subdivisions have a variable size. An event packet can contain a certain amount -of padding at the end. The stream header is repeated at the beginning of each -event packet. +subdivisions have a variable size. An event packet can contain a certain +amount of padding at the end. The stream header is repeated at the +beginning of each event packet. The rationale for the event stream +design choices is explained in Appendix B. Stream Header Rationale. The event stream header will therefore be referred to as the "event packet header" throughout the rest of this document. @@ -795,7 +791,8 @@ similarly to C99. The enumeration type specifier and variant tag name (both specified with "<" ">") are part of the type specifier. A definition associates a type to a location in the event structure -hierarchy (see Section 6). +hierarchy (see Section 6). This association is denoted by ":=", as shown +in Section 7.3. 7.2 Metadata Scopes @@ -853,7 +850,7 @@ consumption, for each event, the current trace context is therefore readable by accessing the upper dynamic scopes. -7.2 Metadata Examples +7.3 Metadata Examples The grammar representing the CTF metadata is presented in Appendix C. CTF Metadata Grammar. This section presents a rather ligher @@ -1247,6 +1244,9 @@ unary-operator: one of assignment-operator: = +type-assignment-operator: + := + constant-expression: unary-expression @@ -1287,6 +1287,7 @@ type-specifier: unsigned _Bool _Complex + _Imaginary struct-specifier variant-specifier enum-specifier