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rtemsbsd: Add call to program with a data restore

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This adds the rtems_bsd_program_call_main_width_data_restore function.
This commit is contained in:
Christian Mauderer 2016-07-15 11:39:48 +02:00 committed by Sebastian Huber
parent 110dbd0267
commit c78c296336
3 changed files with 62 additions and 0 deletions
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5
rtemsbsd/include/machine/rtems-bsd-program.h
View File

@ -53,6 +53,11 @@ int
rtems_bsd_program_call_main(const char *name, int (*main)(int, char **),
int argc, char **argv);
int
rtems_bsd_program_call_main_with_data_restore(const char *name,
int (*main)(int, char **), int argc, char **argv,
const void *data_buf, const size_t data_size);
void
rtems_bsd_program_exit(int exit_code) __dead2;

23
rtemsbsd/rtems/rtems-bsd-program.c
View File

@ -199,6 +199,29 @@ rtems_bsd_program_call_main(const char *name, int (*main)(int, char **),
return exit_code;
}
int
rtems_bsd_program_call_main_with_data_restore(const char *name,
int (*main)(int, char **), int argc, char **argv,
const void *data_buf, const size_t data_size)
{
int exit_code = EXIT_FAILURE;
void *savebuf;
savebuf = malloc(data_size, M_TEMP, 0);
if(savebuf == NULL) {
errno = ENOMEM;
exit_code = EXIT_FAILURE;
} else {
memcpy(savebuf, data_buf, data_size);
exit_code = rtems_bsd_program_call_main(name, main, argc,
argv);
memcpy(data_buf, savebuf, data_size);
free(savebuf, M_TEMP);
}
return exit_code;
}
static struct mtx program_mtx;
MTX_SYSINIT(rtems_bsd_program, &program_mtx, "BSD program", MTX_DEF);

34
testsuite/program01/test_main.c
View File

@ -170,6 +170,23 @@ no_mem_bsd_program(int fd)
assert(rtems_bsd_program_get_context() == NULL);
}
#define OVERWRITE_CONTENT "Some test pattern"
#define OVERWRITE_AFTER_RESTORE "xxxxxtestxxxxxxxx"
#define OVERWRITE_RESTORE_FIRST (5)
#define OVERWRITE_RESTORE_SIZE (4)
static const char overwrite_compare[] = OVERWRITE_AFTER_RESTORE;
static char overwrite_me[] = OVERWRITE_CONTENT;
static int
overwrite_main(int argc, char **argv)
{
size_t len = strlen(overwrite_me);
memset(overwrite_me, 'x', len);
assert(strcmp(overwrite_me, overwrite_compare) != 0);
errno = 0;
rtems_bsd_program_exit(1012);
}
static void
test_bsd_program(void)
{
@ -196,11 +213,15 @@ test_bsd_program(void)
no_mem_bsd_program(-1);
rtems_workspace_greedy_free(greedy);
assert(rtems_resource_snapshot_check(&snapshot));
errno = 0;
exit_code = rtems_bsd_program_call_main(prog_name, NULL, 1, invalid_argv);
assert(errno == EFAULT);
assert(exit_code == EXIT_FAILURE);
assert(rtems_resource_snapshot_check(&snapshot));
errno = EINVAL;
exit_code = rtems_bsd_program_call(prog_name, some_prog, some_context);
assert(errno == 0);
@ -208,6 +229,8 @@ test_bsd_program(void)
assert(strcmp(rtems_bsd_program_get_name(), "?") == 0);
assert(rtems_bsd_program_get_context() == NULL);
assert(rtems_resource_snapshot_check(&snapshot));
errno = EINVAL;
exit_code = rtems_bsd_program_call_main(prog_name, some_main,
some_argc, some_argv);
@ -217,6 +240,17 @@ test_bsd_program(void)
assert(rtems_bsd_program_get_context() == NULL);
assert(rtems_resource_snapshot_check(&snapshot));
exit_code = rtems_bsd_program_call_main_with_data_restore(prog_name,
overwrite_main, some_argc, some_argv,
overwrite_me + OVERWRITE_RESTORE_FIRST, OVERWRITE_RESTORE_SIZE);
assert(errno == 0);
assert(exit_code == 1012);
assert(strcmp(rtems_bsd_program_get_name(), "?") == 0);
assert(rtems_bsd_program_get_context() == NULL);
assert(strcmp(overwrite_me, overwrite_compare) == 0);
assert(rtems_resource_snapshot_check(&snapshot));
}
static void