diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/driver.cc | 13 | ||||
| -rw-r--r-- | kernel/yosys.cc | 29 |
2 files changed, 42 insertions, 0 deletions
diff --git a/kernel/driver.cc b/kernel/driver.cc index f8f940e89..e52e1fb0e 100644 --- a/kernel/driver.cc +++ b/kernel/driver.cc @@ -192,6 +192,13 @@ void yosys_atexit() #endif } +#if defined(__OpenBSD__) +namespace Yosys { +extern char *yosys_argv0; +extern char yosys_path[PATH_MAX]; +}; +#endif + int main(int argc, char **argv) { std::string frontend_command = "auto"; @@ -498,6 +505,12 @@ int main(int argc, char **argv) if (print_stats) log_hasher = new SHA1; +#if defined(__OpenBSD__) + // save the executable origin for proc_self_dirname() + yosys_argv0 = argv[0]; + realpath(yosys_argv0, yosys_path); +#endif + #if defined(__linux__) // set stack size to >= 128 MB { diff --git a/kernel/yosys.cc b/kernel/yosys.cc index c532115d8..11df235e4 100644 --- a/kernel/yosys.cc +++ b/kernel/yosys.cc @@ -871,6 +871,35 @@ std::string proc_self_dirname() { return "/"; } +#elif defined(__OpenBSD__) +char yosys_path[PATH_MAX]; +char *yosys_argv0; + +std::string proc_self_dirname(void) +{ + char buf[PATH_MAX + 1] = "", *path, *p; + // if case argv[0] contains a valid path, return it + if (strlen(yosys_path) > 0) { + p = strrchr(yosys_path, '/'); + snprintf(buf, sizeof buf, "%*s/", (int)(yosys_path - p), yosys_path); + return buf; + } + // if argv[0] does not, reconstruct the path out of $PATH + path = strdup(getenv("PATH")); + if (!path) + log_error("getenv(\"PATH\") failed: %s\n", strerror(errno)); + for (p = strtok(path, ":"); p; p = strtok(NULL, ":")) { + snprintf(buf, sizeof buf, "%s/%s", p, yosys_argv0); + if (access(buf, X_OK) == 0) { + *(strrchr(buf, '/') + 1) = '\0'; + free(path); + return buf; + } + } + free(path); + log_error("Can't determine yosys executable path\n."); + return NULL; +} #else #error "Don't know how to determine process executable base path!" #endif |