f61e138d9a
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.
107 lines
3.2 KiB
Text
107 lines
3.2 KiB
Text
# Copyright 2009 Free Software Foundation, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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load_lib "trace-support.exp";
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if $tracelevel then {
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strace $tracelevel
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}
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set prms_id 0
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set bug_id 0
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gdb_exit
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gdb_start
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set testfile "actions"
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set srcfile ${testfile}.c
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set binfile $objdir/$subdir/tsv
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if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
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executable {debug nowarnings}] != "" } {
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untested tracecmd.exp
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return -1
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}
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gdb_reinitialize_dir $srcdir/$subdir
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# If testing on a remote host, download the source file.
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# remote_download host $srcdir/$subdir/$srcfile
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gdb_file_cmd $binfile
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gdb_test "tvariable \$tvar1" \
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"Trace state variable \\\$tvar1 created, with initial value 0." \
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"Create a trace state variable"
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gdb_test "tvariable \$tvar2 = 45" \
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"Trace state variable \\\$tvar2 created, with initial value 45." \
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"Create a trace state variable with initial value"
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gdb_test "tvariable \$tvar2 = -92" \
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"Trace state variable \\\$tvar2 now has initial value -92." \
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"Change initial value of a trace state variable"
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gdb_test "tvariable \$tvar3 = 2 + 3" \
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"Trace state variable \\\$tvar3 created, with initial value 5." \
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"Create a trace state variable with expression"
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gdb_test "tvariable \$tvar3 = 1234567000000" \
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"Trace state variable \\\$tvar3 now has initial value 1234567000000." \
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"Init trace state variable to a 64-bit value"
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gdb_test "tvariable main" \
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"Syntax must be \\\$NAME \\\[ = EXPR \\\]" \
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"tvariable syntax error, bad name"
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gdb_test "tvariable \$tvar1 - 93" \
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"Syntax must be \\\$NAME \\\[ = EXPR \\\]" \
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"tvariable syntax error, not an assignment"
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gdb_test "info tvariables" \
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"Name\[\t \]+Initial\[\t \]+Current.*
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\\\$tvar1\[\t \]+0\[\t \]+<undefined>.*
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\\\$tvar2\[\t \]+-92\[\t \]+<undefined>.*
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\\\$tvar3\[\t \]+1234567000000\[\t \]+.*<undefined>.*" \
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"List tvariables"
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gdb_test "delete tvariable \$tvar2" \
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"" \
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"delete trace state variable"
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gdb_test "info tvariables" \
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"Name\[\t \]+Initial\[\t \]+Current.*
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\\\$tvar1\[\t \]+0\[\t \]+<undefined>.*
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\\\$tvar3\[\t \]+1234567000000\[\t \]+.*<undefined>.*" \
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"List tvariables after deletion"
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send_gdb "delete tvariable\n"
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gdb_expect 30 {
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-re "Delete all trace state variables.*y or n.*$" {
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send_gdb "y\n"
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gdb_expect 30 {
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-re "$gdb_prompt $" {
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pass "Delete all trace state variables"
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}
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timeout { fail "Delete all trace state variables (timeout)" }
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}
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}
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-re "$gdb_prompt $" { # This happens if there were no variables
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}
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timeout { perror "Delete all trace state variables (timeout)" ; return }
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}
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gdb_test "info tvariables" \
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"No trace state variables.*" \
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"List tvariables after deleting all"
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