diff options
Diffstat (limited to 'gdb/doc/gdb.texinfo')
| -rw-r--r-- | gdb/doc/gdb.texinfo | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index b5e3d60..ddee55d 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -37214,6 +37214,7 @@ tracepoints (@pxref{Tracepoints}). @table @samp @item QTDP:@var{n}:@var{addr}:@var{ena}:@var{step}:@var{pass}[:F@var{flen}][:X@var{len},@var{bytes}]@r{[}-@r{]} +@cindex @samp{QTDP} packet Create a new tracepoint, number @var{n}, at @var{addr}. If @var{ena} is @samp{E}, then the tracepoint is enabled; if it is @samp{D}, then the tracepoint is disabled. @var{step} is the tracepoint's step @@ -37348,6 +37349,7 @@ target should simply create the trace state variables as they are mentioned in expressions. @item QTFrame:@var{n} +@cindex @samp{QTFrame} packet Select the @var{n}'th tracepoint frame from the buffer, and use the register and memory contents recorded there to answer subsequent request packets from @value{GDBN}. @@ -37390,6 +37392,7 @@ Like @samp{QTFrame:range:@var{start}:@var{end}}, but select the first frame @emph{outside} the given range of addresses (exclusive). @item qTMinFTPILen +@cindex @samp{qTMinFTPILen} packet This packet requests the minimum length of instruction at which a fast tracepoint (@pxref{Set Tracepoints}) may be placed. For instance, on the 32-bit x86 architecture, it is possible to use a 4-byte jump, but @@ -37414,30 +37417,36 @@ An empty reply indicates that the request is not supported by the stub. @end table @item QTStart +@cindex @samp{QTStart} packet Begin the tracepoint experiment. Begin collecting data from tracepoint hits in the trace frame buffer. This packet supports the @samp{qRelocInsn} reply (@pxref{Tracepoint Packets,,Relocate instruction reply packet}). @item QTStop +@cindex @samp{QTStop} packet End the tracepoint experiment. Stop collecting trace frames. @item QTEnable:@var{n}:@var{addr} @anchor{QTEnable} +@cindex @samp{QTEnable} packet Enable tracepoint @var{n} at address @var{addr} in a started tracepoint experiment. If the tracepoint was previously disabled, then collection of data from it will resume. @item QTDisable:@var{n}:@var{addr} @anchor{QTDisable} +@cindex @samp{QTDisable} packet Disable tracepoint @var{n} at address @var{addr} in a started tracepoint experiment. No more data will be collected from the tracepoint unless @samp{QTEnable:@var{n}:@var{addr}} is subsequently issued. @item QTinit +@cindex @samp{QTinit} packet Clear the table of tracepoints, and empty the trace frame buffer. @item QTro:@var{start1},@var{end1}:@var{start2},@var{end2}:@dots{} +@cindex @samp{QTro} packet Establish the given ranges of memory as ``transparent''. The stub will answer requests for these ranges from memory's current contents, if they were not collected as part of the tracepoint hit. @@ -37448,12 +37457,14 @@ still have the same contents they did when the tracepoint was hit, so there's no reason for the stub to refuse to provide their contents. @item QTDisconnected:@var{value} +@cindex @samp{QTDisconnected} packet Set the choice to what to do with the tracing run when @value{GDBN} disconnects from the target. A @var{value} of 1 directs the target to continue the tracing run, while 0 tells the target to stop tracing if @value{GDBN} is no longer in the picture. @item qTStatus +@cindex @samp{qTStatus} packet Ask the stub if there is a trace experiment running right now. The reply has the form: @@ -37573,7 +37584,9 @@ was not collected. @end table @item qTfP +@cindex @samp{qTfP} packet @itemx qTsP +@cindex @samp{qTsP} packet These packets request data about tracepoints that are being used by the target. @value{GDBN} sends @code{qTfP} to get the first piece of data, and multiple @code{qTsP} to get additional pieces. Replies @@ -37581,7 +37594,9 @@ to these packets generally take the form of the @code{QTDP} packets that define tracepoints. (FIXME add detailed syntax) @item qTfV +@cindex @samp{qTfV} packet @itemx qTsV +@cindex @samp{qTsV} packet These packets request data about trace state variables that are on the target. @value{GDBN} sends @code{qTfV} to get the first vari of data, and multiple @code{qTsV} to get additional variables. Replies to @@ -37592,6 +37607,8 @@ trace state variables. @itemx qTsSTM @anchor{qTfSTM} @anchor{qTsSTM} +@cindex @samp{qTfSTM} packet +@cindex @samp{qTsSTM} packet These packets request data about static tracepoint markers that exist in the target program. @value{GDBN} sends @code{qTfSTM} to get the first piece of data, and multiple @code{qTsSTM} to get additional @@ -37623,18 +37640,21 @@ query), until the target responds with @samp{l} (lower-case ell, for @item qTSTMat:@var{address} @anchor{qTSTMat} +@cindex @samp{qTSTMat} packet This packets requests data about static tracepoint markers in the target program at @var{address}. Replies to this packet follow the syntax of the @samp{qTfSTM} and @code{qTsSTM} packets that list static tracepoint markers. @item QTSave:@var{filename} +@cindex @samp{QTSave} packet This packet directs the target to save trace data to the file name @var{filename} in the target's filesystem. @var{filename} is encoded as a hex string; the interpretation of the file name (relative vs absolute, wild cards, etc) is up to the target. @item qTBuffer:@var{offset},@var{len} +@cindex @samp{qTBuffer} packet Return up to @var{len} bytes of the current contents of trace buffer, starting at @var{offset}. The trace buffer is treated as if it were a contiguous collection of traceframes, as per the trace file format. @@ -37648,6 +37668,7 @@ This packet directs the target to use a circular trace buffer if @var{value} is 1, or a linear buffer if the value is 0. @item QTNotes:@r{[}@var{type}:@var{text}@r{]}@r{[};@var{type}:@var{text}@r{]}@dots{} +@cindex @samp{QTNotes} packet This packet adds optional textual notes to the trace run. Allowable types include @code{user}, @code{notes}, and @code{tstop}, the @var{text} fields are arbitrary strings, hex-encoded. |