drltrace_options.cpp

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 * Copyright (c) 2013-2017 Google, Inc.  All rights reserved.
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#include "droption.h"
#include "drltrace_options.h"

/* Frontend scope is defined here because if logdir is a forbidden path we have to change
 * it and provide for our client manually.
 */
droption_t<std::string> op_logdir
(DROPTION_SCOPE_ALL, "logdir", ".", "Log directory to print library call data",
 "Specify log directory where library call data will be written, in a separate file per "
 "process.  The default value is \".\" (current dir).  If set to \"-\", data for all "
 "processes are printed to stderr (warning: this can be slow).");

droption_t<bool> op_only_from_app
(DROPTION_SCOPE_CLIENT, "only_from_app", false, "Reports only library calls from the app",
 "Only reports library calls from the application itself, as opposed to all calls even "
 "from other libraries or within the same library.");

droption_t<bool> op_follow_children
(DROPTION_SCOPE_FRONTEND, "follow_children", true, "Trace child processes",
 "Trace child processes created by a target application. Specify -no_follow_children "
 "to disable.");

droption_t<bool> op_print_ret_addr
(DROPTION_SCOPE_CLIENT, "print_ret_addr", false, "Print library call's return address",
 "Print return addresses of library calls.");

droption_t<unsigned int> op_unknown_args
(DROPTION_SCOPE_CLIENT, "num_unknown_args", 2, "Number of unknown libcall args to print",
 "Number of arguments to print for unknown library calls.  Specify 0 to disable "
 "unknown args printing.");

droption_t<int> op_max_args
(DROPTION_SCOPE_CLIENT, "num_max_args", 6, "Maximum number of arguments to print",
 "Maximum number of arguments to print.  This option allows to limit the number of "
 "arguments to be printed.  Specify 0 to disable args printing (including unknown).");

droption_t<bool> op_config_file_default
(DROPTION_SCOPE_FRONTEND, "default_config", true, "Use default config file.",
 "Use config file that comes with drltrace and located in the same path. Specify "
 "no_use_config and provide a path to custom config file using -config option.");

droption_t<std::string> op_config_file
(DROPTION_SCOPE_ALL, "config", "", "The path to custom config file.",
 "Specify a custom path where config is located. The config file describes the prototype"
 " of library functions for printing library call arguments.  See drltrace documentation"
 " for more details.");

droption_t<std::string> op_filter_file
(DROPTION_SCOPE_CLIENT, "filter", "filter.config", "The path of the whitelist/blacklist file.",
 "Specify a path to a file containing the list of functions to whitelist or blacklist.");

droption_t<bool> op_ignore_underscore
(DROPTION_SCOPE_CLIENT, "ignore_underscore", false, "Ignores library routine names "
 "starting with \"_\".", "Ignores library routine names starting with \"_\".");

droption_t<bool> op_help
(DROPTION_SCOPE_FRONTEND, "help", false, "Print this message.", "Print this message");

droption_t<bool> op_version
(DROPTION_SCOPE_FRONTEND, "version", 0, "Print version number.", "Print version number.");

droption_t<unsigned int> op_verbose
(DROPTION_SCOPE_ALL, "verbose", 1, "Change verbosity.", "Change verbosity.");

droption_t<bool> op_use_config
(DROPTION_SCOPE_CLIENT, "use_config", true, "Use config file",
 "Use config file for library call arguments printing. Specify no_use_config to disable.");

droption_t<std::string> op_ltracelib_ops
(DROPTION_SCOPE_CLIENT, "ltracelib_ops",
 DROPTION_FLAG_SWEEP | DROPTION_FLAG_ACCUMULATE | DROPTION_FLAG_INTERNAL,
 "", "(For internal use: sweeps up drltracelib options)",
 "This is an internal option that sweeps up other options to pass to the drltracelib.");

droption_t<bool> op_grepable
(DROPTION_SCOPE_CLIENT, "grepable", false, "Grepable output",
 "Outputs function names and arguments entirely on one line to enable easy log grepping.");

droption_t<bool> op_no_retval
(DROPTION_SCOPE_CLIENT, "no-retval", false, "Disable return value parsing",
 "Disable return value caching & parsing.");

droption_t<unsigned int> op_retval_max_cache
(DROPTION_SCOPE_CLIENT, "retval-max-cache", 0,
 "Maximum number of cached function calls", "The maximum number of function calls that "
 "should be cached while waiting for return values.  When reached, the cache will be "
 "emptied immediately and return values discarded; new function calls will be cached "
 "normally.  Only use this option if memory exhaustion occurs.");