diff options
Diffstat (limited to 'arch/sandbox/cpu/os.c')
| -rw-r--r-- | arch/sandbox/cpu/os.c | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/arch/sandbox/cpu/os.c b/arch/sandbox/cpu/os.c index d817dcc479..7b59e040ec 100644 --- a/arch/sandbox/cpu/os.c +++ b/arch/sandbox/cpu/os.c @@ -576,10 +576,10 @@ static int make_exec(char *fname, const void *data, int size) */ static int add_args(char ***argvp, char *add_args[], int count) { - char **argv; + char **argv, **ap; int argc; - for (argv = *argvp, argc = 0; (*argvp)[argc]; argc++) + for (argc = 0; (*argvp)[argc]; argc++) ; argv = os_malloc((argc + count + 1) * sizeof(char *)); @@ -587,7 +587,24 @@ static int add_args(char ***argvp, char *add_args[], int count) printf("Out of memory for %d argv\n", count); return -ENOMEM; } - memcpy(argv, *argvp, argc * sizeof(char *)); + for (ap = *argvp, argc = 0; *ap; ap++) { + char *arg = *ap; + + /* Drop args that we don't want to propagate */ + if (*arg == '-' && strlen(arg) == 2) { + switch (arg[1]) { + case 'j': + case 'm': + ap++; + continue; + } + } else if (!strcmp(arg, "--rm_memory")) { + ap++; + continue; + } + argv[argc++] = arg; + } + memcpy(argv + argc, add_args, count * sizeof(char *)); argv[argc + count] = NULL; @@ -611,6 +628,7 @@ static int os_jump_to_file(const char *fname) int fd, err; char *extra_args[5]; char **argv = state->argv; + int argc; #ifdef DEBUG int i; #endif @@ -630,11 +648,13 @@ static int os_jump_to_file(const char *fname) extra_args[1] = (char *)fname; extra_args[2] = "-m"; extra_args[3] = mem_fname; - extra_args[4] = "--rm_memory"; - err = add_args(&argv, extra_args, - sizeof(extra_args) / sizeof(extra_args[0])); + argc = 4; + if (state->ram_buf_rm) + extra_args[argc++] = "--rm_memory"; + err = add_args(&argv, extra_args, argc); if (err) return err; + argv[0] = (char *)fname; #ifdef DEBUG for (i = 0; argv[i]; i++) |