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| author | Stan Shebs <shebs@codesourcery.com> | 2011-11-02 23:44:21 +0000 |
|---|---|---|
| committer | Stan Shebs <shebs@codesourcery.com> | 2011-11-02 23:44:21 +0000 |
| commit | 3065dfb6b4e2e605b3601c5f71fa25de5dd4970e (patch) | |
| tree | ac641720c021164a841a9c669e88e599134191e6 /gdb/doc/agentexpr.texi | |
| parent | 39f4f51d8bf1d516a5cca652a1d9efe8f3ef9863 (diff) | |
| download | gdb-3065dfb6b4e2e605b3601c5f71fa25de5dd4970e.zip gdb-3065dfb6b4e2e605b3601c5f71fa25de5dd4970e.tar.gz gdb-3065dfb6b4e2e605b3601c5f71fa25de5dd4970e.tar.bz2 | |
2011-11-02 Stan Shebs <stan@codesourcery.com>
String collection for tracepoints.
* NEWS: Mention string collection.
* common/ax.def (tracenz): New bytecode.
* ax-gdb.h (trace_string_kludge): Declare.
* ax-gdb.c: Include valprint.h and c-lang.h.
(trace_string_kludge): New global.
(gen_traced_pop): Add string case.
(agent_command): Add string case.
* tracepoint.h (decode_agent_options): Declare.
* tracepoint.c: Include cli-utils.h.
(decode_agent_options): New function.
(validate_actionline): Call it.
(encode_actions_1): Ditto.
* target.h (struct target_ops): New method to_supports_string_tracing.
(target_supports_string_tracing): New macro.
* target.c (update_current_target): Add to_supports_string_tracing.
* remote.c (struct remote_state): New field string_tracing.
(remote_string_tracing_feature): New function.
(remote_protocol_features): New feature tracenz.
(remote_supports_string_tracing): New function.
(init_remote_ops): Set to_supports_string_tracing.
* tracepoint.c (agent_mem_read_string): New function.
(eval_agent_expr): Call it for tracenz.
* server.c (handle_query): Report support for tracenz.
* gdb.texinfo (Tracepoint Action Lists): Document collect/s.
(General Query Packets): Describe tracenz feature.
* agentexpr.texi (Bytecode Descriptions): Describe tracenz.
* gdb.trace/collection.c: Add code using strings.
* gdb.trace/collection.exp: Add tests of string collection.
Diffstat (limited to 'gdb/doc/agentexpr.texi')
| -rw-r--r-- | gdb/doc/agentexpr.texi | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gdb/doc/agentexpr.texi b/gdb/doc/agentexpr.texi index f2d51b7..2104235 100644 --- a/gdb/doc/agentexpr.texi +++ b/gdb/doc/agentexpr.texi @@ -489,6 +489,11 @@ named @code{trace_quick16}, for consistency. Record the value of trace state variable number @var{n} in the trace buffer. The handling of @var{n} is as described for @code{getv}. +@item @code{tracenz} (0x2f) @var{addr} @var{size} @result{} +Record the bytes at @var{addr} in a trace buffer, for later retrieval +by GDB. Stop at either the first zero byte, or when @var{size} bytes +have been recorded, whichever occurs first. + @item @code{end} (0x27): @result{} Stop executing bytecode; the result should be the top element of the stack. If the purpose of the expression was to compute an lvalue or a |