X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fhelper%2Foptions.c;h=6622ece6ca2c076854301517e7aef959ab500f52;hp=5351e825077e42d2e70740881c955bd5e9d8ee94;hb=be365730732231e0733353834b56f405a8219f2a;hpb=1fa24ebe399bb064f5d68311e712432b64327472 diff --git a/src/helper/options.c b/src/helper/options.c index 5351e82507..6622ece6ca 100644 --- a/src/helper/options.c +++ b/src/helper/options.c @@ -16,9 +16,7 @@ * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the * - * Free Software Foundation, Inc., * - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * + * along with this program. If not, see . * ***************************************************************************/ #ifdef HAVE_CONFIG_H @@ -26,11 +24,26 @@ #endif #include "configuration.h" -/* @todo the inclusion of server.h here is a layering violation */ -#include +#include "log.h" +#include "command.h" #include +#include +#include +#if IS_DARWIN +#include +#endif +/* sys/sysctl.h is deprecated on Linux from glibc 2.30 */ +#ifndef __linux__ +#ifdef HAVE_SYS_SYSCTL_H +#include +#endif +#endif +#if IS_WIN32 && !IS_CYGWIN +#include +#endif + static int help_flag, version_flag; static const struct option long_options[] = { @@ -52,52 +65,129 @@ int configuration_output_handler(struct command_context *context, const char *li return ERROR_OK; } -#ifdef _WIN32 -static char *find_suffix(const char *text, const char *suffix) +/* Return the canonical path to the directory the openocd executable is in. + * The path should be absolute, use / as path separator and have all symlinks + * resolved. The returned string is malloc'd. */ +static char *find_exe_path(void) { - size_t text_len = strlen(text); - size_t suffix_len = strlen(suffix); + char *exepath = NULL; - if (suffix_len == 0) - return (char *)text + text_len; + do { +#if IS_WIN32 && !IS_CYGWIN + exepath = malloc(MAX_PATH); + if (exepath == NULL) + break; + GetModuleFileName(NULL, exepath, MAX_PATH); - if (suffix_len > text_len || strncmp(text + text_len - suffix_len, suffix, suffix_len) != 0) - return NULL; /* Not a suffix of text */ + /* Convert path separators to UNIX style, should work on Windows also. */ + for (char *p = exepath; *p; p++) { + if (*p == '\\') + *p = '/'; + } - return (char *)text + text_len - suffix_len; -} +#elif IS_DARWIN + exepath = malloc(PROC_PIDPATHINFO_MAXSIZE); + if (exepath == NULL) + break; + if (proc_pidpath(getpid(), exepath, PROC_PIDPATHINFO_MAXSIZE) <= 0) { + free(exepath); + exepath = NULL; + } + +#elif defined(CTL_KERN) && defined(KERN_PROC) && defined(KERN_PROC_PATHNAME) /* *BSD */ +#ifndef PATH_MAX +#define PATH_MAX 1024 #endif + char *path = malloc(PATH_MAX); + if (path == NULL) + break; + int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1 }; + size_t size = PATH_MAX; -static void add_default_dirs(void) -{ - const char *run_prefix; - char *path; + if (sysctl(mib, (u_int)ARRAY_SIZE(mib), path, &size, NULL, 0) != 0) + break; -#ifdef _WIN32 - char strExePath[MAX_PATH]; - GetModuleFileName(NULL, strExePath, MAX_PATH); +#ifdef HAVE_REALPATH + exepath = realpath(path, NULL); + free(path); +#else + exepath = path; +#endif - /* Strip executable file name, leaving path */ - *strrchr(strExePath, '\\') = '\0'; +#elif defined(HAVE_REALPATH) /* Assume POSIX.1-2008 */ + /* Try Unices in order of likelihood. */ + exepath = realpath("/proc/self/exe", NULL); /* Linux/Cygwin */ + if (exepath == NULL) + exepath = realpath("/proc/self/path/a.out", NULL); /* Solaris */ + if (exepath == NULL) + exepath = realpath("/proc/curproc/file", NULL); /* FreeBSD (Should be covered above) */ +#endif + } while (0); + + if (exepath != NULL) { + /* Strip executable file name, leaving path */ + *strrchr(exepath, '/') = '\0'; + } else { + LOG_WARNING("Could not determine executable path, using configured BINDIR."); + LOG_DEBUG("BINDIR = %s", BINDIR); +#ifdef HAVE_REALPATH + exepath = realpath(BINDIR, NULL); +#else + exepath = strdup(BINDIR); +#endif + } - /* Convert path separators to UNIX style, should work on Windows also. */ - for (char *p = strExePath; *p; p++) { - if (*p == '\\') - *p = '/'; + return exepath; +} + +static char *find_relative_path(const char *from, const char *to) +{ + size_t i; + + /* Skip common /-separated parts of from and to */ + i = 0; + for (size_t n = 0; from[n] == to[n]; n++) { + if (from[n] == '\0') { + i = n; + break; + } + if (from[n] == '/') + i = n + 1; + } + from += i; + to += i; + + /* Count number of /-separated non-empty parts of from */ + i = 0; + while (from[0] != '\0') { + if (from[0] != '/') + i++; + char *next = strchr(from, '/'); + if (next == NULL) + break; + from = next + 1; } - char *end_of_prefix = find_suffix(strExePath, BINDIR); - if (end_of_prefix != NULL) - *end_of_prefix = '\0'; + /* Prepend that number of ../ in front of to */ + char *relpath = malloc(i * 3 + strlen(to) + 1); + relpath[0] = '\0'; + for (size_t n = 0; n < i; n++) + strcat(relpath, "../"); + strcat(relpath, to); - run_prefix = strExePath; -#else - run_prefix = ""; -#endif + return relpath; +} + +static void add_default_dirs(void) +{ + char *path; + char *exepath = find_exe_path(); + char *bin2data = find_relative_path(BINDIR, PKGDATADIR); LOG_DEBUG("bindir=%s", BINDIR); LOG_DEBUG("pkgdatadir=%s", PKGDATADIR); - LOG_DEBUG("run_prefix=%s", run_prefix); + LOG_DEBUG("exepath=%s", exepath); + LOG_DEBUG("bin2data=%s", bin2data); /* * The directory containing OpenOCD-supplied scripts should be @@ -113,6 +203,12 @@ static void add_default_dirs(void) free(path); } } + + path = getenv("OPENOCD_SCRIPTS"); + + if (path) + add_script_search_dir(path); + #ifdef _WIN32 const char *appdata = getenv("APPDATA"); @@ -125,17 +221,20 @@ static void add_default_dirs(void) } #endif - path = alloc_printf("%s%s%s", run_prefix, PKGDATADIR, "/site"); + path = alloc_printf("%s/%s/%s", exepath, bin2data, "site"); if (path) { add_script_search_dir(path); free(path); } - path = alloc_printf("%s%s%s", run_prefix, PKGDATADIR, "/scripts"); + path = alloc_printf("%s/%s/%s", exepath, bin2data, "scripts"); if (path) { add_script_search_dir(path); free(path); } + + free(exepath); + free(bin2data); } int parse_cmdline_args(struct command_context *cmd_ctx, int argc, char *argv[]) @@ -173,17 +272,14 @@ int parse_cmdline_args(struct command_context *cmd_ctx, int argc, char *argv[]) break; case 'd': /* --debug | -d */ { - char *command = alloc_printf("debug_level %s", optarg ? optarg : "3"); - command_run_line(cmd_ctx, command); - free(command); + int retval = command_run_linef(cmd_ctx, "debug_level %s", optarg ? optarg : "3"); + if (retval != ERROR_OK) + return retval; break; } case 'l': /* --log_output | -l */ - if (optarg) { - char *command = alloc_printf("log_output %s", optarg); - command_run_line(cmd_ctx, command); - free(command); - } + if (optarg) + command_run_linef(cmd_ctx, "log_output %s", optarg); break; case 'c': /* --command | -c */ if (optarg) @@ -196,16 +292,26 @@ int parse_cmdline_args(struct command_context *cmd_ctx, int argc, char *argv[]) LOG_WARNING("deprecated option: -p/--pipe. Use '-c \"gdb_port pipe; " "log_output openocd.log\"' instead."); break; + default: /* '?' */ + /* getopt will emit an error message, all we have to do is bail. */ + return ERROR_FAIL; } } + if (optind < argc) { + /* Catch extra arguments on the command line. */ + LOG_OUTPUT("Unexpected command line argument: %s\n", argv[optind]); + return ERROR_FAIL; + } + if (help_flag) { LOG_OUTPUT("Open On-Chip Debugger\nLicensed under GNU GPL v2\n"); LOG_OUTPUT("--help | -h\tdisplay this help\n"); LOG_OUTPUT("--version | -v\tdisplay OpenOCD version\n"); LOG_OUTPUT("--file | -f\tuse configuration file \n"); LOG_OUTPUT("--search | -s\tdir to search for config files and scripts\n"); - LOG_OUTPUT("--debug | -d\tset debug level <0-3>\n"); + LOG_OUTPUT("--debug | -d\tset debug level to 3\n"); + LOG_OUTPUT(" | -d\tset debug level to \n"); LOG_OUTPUT("--log_output | -l\tredirect log output to file \n"); LOG_OUTPUT("--command | -c\trun \n"); exit(-1);