1 /*
2 * Copyright (c) 2018 Oticon A/S
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <stdbool.h>
8 #include <stdlib.h>
9 #include <string.h>
10 #include "cmdline_common.h"
11 #include "zephyr/types.h"
12 #include "hw_models_top.h"
13 #include "timer_model.h"
14 #include "cmdline.h"
15 #include "toolchain.h"
16 #include <arch/posix/posix_trace.h>
17 #include "native_tracing.h"
18
19 static int s_argc, test_argc;
20 static char **s_argv, **test_argv;
21
22 static struct args_struct_t *args_struct;
23 static int used_args;
24 static int args_aval;
25 #define ARGS_ALLOC_CHUNK_SIZE 20
26
native_cleanup_cmd_line(void)27 void native_cleanup_cmd_line(void)
28 {
29 if (args_struct != NULL) { /* LCOV_EXCL_BR_LINE */
30 free(args_struct);
31 args_struct = NULL;
32 }
33 }
34
35 /**
36 * Add a set of command line options to the program.
37 *
38 * Each option to be added is described in one entry of the input <args>
39 * This input must be terminated with an entry containing ARG_TABLE_ENDMARKER.
40 */
native_add_command_line_opts(struct args_struct_t * args)41 void native_add_command_line_opts(struct args_struct_t *args)
42 {
43 int count = 0;
44
45 while (args[count].option != NULL) {
46 count++;
47 }
48 count++; /*for the end marker*/
49
50 if (used_args + count >= args_aval) {
51 int growby = count;
52 /* reallocs are expensive let's do them only in big chunks */
53 if (growby < ARGS_ALLOC_CHUNK_SIZE) {
54 growby = ARGS_ALLOC_CHUNK_SIZE;
55 }
56
57 struct args_struct_t *new_args_struct = realloc(args_struct,
58 (args_aval + growby)*
59 sizeof(struct args_struct_t));
60 args_aval += growby;
61 /* LCOV_EXCL_START */
62 if (new_args_struct == NULL) {
63 posix_print_error_and_exit("Could not allocate memory");
64 } else {
65 args_struct = new_args_struct;
66 }
67 /* LCOV_EXCL_STOP */
68 }
69
70 memcpy(&args_struct[used_args], args,
71 count*sizeof(struct args_struct_t));
72
73 used_args += count - 1;
74 /*
75 * -1 as the end marker should be overwritten next time something
76 * is added
77 */
78 }
79
native_add_testargs_option(void)80 void native_add_testargs_option(void)
81 {
82 static struct args_struct_t testargs_options[] = {
83 /*
84 * Fields:
85 * manual, mandatory, switch,
86 * option_name, var_name ,type,
87 * destination, callback,
88 * description
89 */
90 {true, false, false,
91 "testargs", "arg", 'l',
92 (void *)NULL, NULL,
93 "Any argument that follows will be ignored by the top level, "
94 "and made available for possible tests"},
95 ARG_TABLE_ENDMARKER};
96
97 native_add_command_line_opts(testargs_options);
98 }
99
print_invalid_opt_error(char * argv)100 static void print_invalid_opt_error(char *argv)
101 {
102 posix_print_error_and_exit("Incorrect option '%s'. Did you misspell it?"
103 " Is that feature supported in this build?"
104 "\n",
105 argv);
106
107 }
108
109 /**
110 * Handle possible command line arguments.
111 *
112 * We also store them for later use by possible test applications
113 */
native_handle_cmd_line(int argc,char * argv[])114 void native_handle_cmd_line(int argc, char *argv[])
115 {
116 int i;
117
118 native_add_tracing_options();
119 native_add_testargs_option();
120
121 s_argv = argv;
122 s_argc = argc;
123
124 cmd_args_set_defaults(args_struct);
125
126 for (i = 1; i < argc; i++) {
127
128 if ((cmd_is_option(argv[i], "testargs", 0))) {
129 test_argc = argc - i - 1;
130 test_argv = &argv[i+1];
131 break;
132 }
133
134 if (!cmd_parse_one_arg(argv[i], args_struct)) {
135 cmd_print_switches_help(args_struct);
136 print_invalid_opt_error(argv[i]);
137 }
138 }
139 }
140
141 /**
142 * The application/test can use this function to inspect all the command line
143 * arguments
144 */
native_get_cmd_line_args(int * argc,char *** argv)145 void native_get_cmd_line_args(int *argc, char ***argv)
146 {
147 *argc = s_argc;
148 *argv = s_argv;
149 }
150
151 /**
152 * The application/test can use this function to inspect the command line
153 * arguments received after --testargs
154 */
native_get_test_cmd_line_args(int * argc,char *** argv)155 void native_get_test_cmd_line_args(int *argc, char ***argv)
156 {
157 *argc = test_argc;
158 *argv = test_argv;
159 }
160
