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| author | Stan Shebs <shebs@codesourcery.com> | 2009-12-28 23:39:10 +0000 |
|---|---|---|
| committer | Stan Shebs <shebs@codesourcery.com> | 2009-12-28 23:39:10 +0000 |
| commit | f61e138d9a5c10da22c01ef377034e66e6978fe6 (patch) | |
| tree | 399c49505e3d1aa2e3f71937bd6f1034cf5c6acc /gdb/NEWS | |
| parent | ae77ee9a7fe8e4b4e05bd65b4f9f2b8ca63a129d (diff) | |
| download | gdb-f61e138d9a5c10da22c01ef377034e66e6978fe6.zip gdb-f61e138d9a5c10da22c01ef377034e66e6978fe6.tar.gz gdb-f61e138d9a5c10da22c01ef377034e66e6978fe6.tar.bz2 | |
2009-12-28 Stan Shebs <stan@codesourcery.com>
Add trace state variables.
* ax.h (enum agent_op): Add getv, setv, and tracev.
(ax_tsv): Declare.
* ax-gdb.c: Include tracepoint.h.
(gen_expr): Handle BINOP_ASSIGN, BINOP_ASSIGN_MODIFY, and
OP_INTERNALVAR.
(gen_expr_binop_rest): New function, split from gen_expr.
* ax-general.c (ax_tsv): New function.
(aop_map): Add new bytecodes.
* tracepoint.h (struct trace_state_variable): New struct.
(tsv_s): New typedef.
(find_trace_state_variable): Declare.
* tracepoint.c (tvariables): New global.
(next_tsv_number): New global.
(create_trace_state_variable): New function.
(find_trace_state_variable): New function.
(delete_trace_state_variable): New function.
(trace_variable_command): New function.
(delete_trace_variable_command): New function.
(tvariables_info): New function.
(trace_start_command): Download tsvs with initial values.
(_initialize_tracepoint): Add new commands.
* NEWS: Mention the addition of trace state variables.
==> doc/ChangeLog <==
2009-12-28 Stan Shebs <stan@codesourcery.com>
* gdb.texinfo (Trace State Variables): New section.
(Tracepoint Packets): Describe trace state variable packets.
* agentexpr.texi (Bytecode Descriptions): Describe trace state
variable bytecodes.
==> testsuite/ChangeLog <==
2009-12-28 Stan Shebs <stan@codesourcery.com>
* gdb.trace/tsv.exp: New file.
* gdb.base/completion.exp: Update ambiguous info output.
Diffstat (limited to 'gdb/NEWS')
| -rw-r--r-- | gdb/NEWS | 30 |
1 files changed, 30 insertions, 0 deletions
@@ -24,6 +24,19 @@ Renesas RX rx lists inferiors that are not running yet or that have exited already. See also "New commands" and "New options" below. +* Trace state variables + + GDB tracepoints now include support for trace state variables, which + are variables managed by the target agent during a tracing + experiment. They are useful for tracepoints that trigger each + other, so for instance one tracepoint can count hits in a variable, + and then a second tracepoint has a condition that is true when the + count reaches a particular value. Trace state variables share the + $-syntax of GDB convenience variables, and can appear in both + tracepoint actions and condition expressions. Use the "tvariable" + command to create, and "info tvariables" to view; see "Trace State + Variables" in the manual for more detail. + * Changed commands disassemble @@ -75,6 +88,15 @@ set remotebreak [on | off] show remotebreak Deprecated. Use "set/show remote interrupt-sequence" instead. +tvariable $NAME [ = EXP ] + Create or modify a trace state variable. + +info tvariables + List trace state variables and their values. + +delete tvariable $NAME ... + Delete one or more trace state variables. + * New options set follow-exec-mode new|same @@ -83,6 +105,14 @@ show follow-exec-mode creates a new one. This is useful to be able to restart the old executable after the inferior having done an exec call. +* New remote packets + +QTDV + Define a trace state variable. + +qTV + Get the current value of a trace state variable. + * Bug fixes Process record now works correctly with hardware watchpoints. |