diff -r 433f394ab509 -r a94af87c3357 agent/src/os/solaris/proc/saproc.cpp --- a/agent/src/os/solaris/proc/saproc.cpp Fri Jul 24 09:01:00 2009 -0700 +++ b/agent/src/os/solaris/proc/saproc.cpp Fri Jul 24 12:40:40 2009 -0700 @@ -214,49 +214,58 @@ } } -static int find_file_hook(const char * name, int elf_checksum) { - init_alt_root(); +// This function is a complete substitute for the open system call +// since it's also used to override open calls from libproc to +// implement as a pathmap style facility for the SA. If libproc +// starts using other interfaces then this might have to extended to +// cover other calls. +extern "C" int libsaproc_open(const char * name, int oflag, ...) { + if (oflag == O_RDONLY) { + init_alt_root(); - if (_libsaproc_debug) { - printf("libsaproc DEBUG: find_file_hook %s 0x%x\n", name, elf_checksum); - } - - if (alt_root_len > 0) { - int fd = -1; - char alt_path[PATH_MAX+1]; - - strcpy(alt_path, alt_root); - strcat(alt_path, name); - fd = open(alt_path, O_RDONLY); - if (fd >= 0) { - if (_libsaproc_debug) { - printf("libsaproc DEBUG: find_file_hook substituted %s\n", alt_path); - } - return fd; + if (_libsaproc_debug) { + printf("libsaproc DEBUG: libsaproc_open %s\n", name); } - if (strrchr(name, '/')) { + if (alt_root_len > 0) { + int fd = -1; + char alt_path[PATH_MAX+1]; + strcpy(alt_path, alt_root); - strcat(alt_path, strrchr(name, '/')); + strcat(alt_path, name); fd = open(alt_path, O_RDONLY); if (fd >= 0) { if (_libsaproc_debug) { - printf("libsaproc DEBUG: find_file_hook substituted %s\n", alt_path); + printf("libsaproc DEBUG: libsaproc_open substituted %s\n", alt_path); } return fd; } + + if (strrchr(name, '/')) { + strcpy(alt_path, alt_root); + strcat(alt_path, strrchr(name, '/')); + fd = open(alt_path, O_RDONLY); + if (fd >= 0) { + if (_libsaproc_debug) { + printf("libsaproc DEBUG: libsaproc_open substituted %s\n", alt_path); + } + return fd; + } + } } } - return -1; + + { + mode_t mode; + va_list ap; + va_start(ap, oflag); + mode = va_arg(ap, mode_t); + va_end(ap); + + return open(name, oflag, mode); + } } -static int pathmap_open(const char* name) { - int fd = open(name, O_RDONLY); - if (fd < 0) { - fd = find_file_hook(name, 0); - } - return fd; -} static void * pathmap_dlopen(const char * name, int mode) { init_alt_root(); @@ -608,7 +617,7 @@ print_debug("looking for %s\n", classes_jsa); // open the classes[_g].jsa - int fd = pathmap_open(classes_jsa); + int fd = libsaproc_open(classes_jsa, O_RDONLY); if (fd < 0) { char errMsg[ERR_MSG_SIZE]; sprintf(errMsg, "can't open shared archive file %s", classes_jsa); @@ -1209,8 +1218,6 @@ return res; } -typedef int (*find_file_hook_t)(const char *, int elf_checksum); - /* * Class: sun_jvm_hotspot_debugger_proc_ProcDebuggerLocal * Method: initIDs @@ -1230,16 +1237,6 @@ if (libproc_handle == 0) THROW_NEW_DEBUGGER_EXCEPTION("can't load libproc.so, if you are using Solaris 5.7 or below, copy libproc.so from 5.8!"); - // If possible, set shared object find file hook. - void (*set_hook)(find_file_hook_t) = (void(*)(find_file_hook_t))dlsym(libproc_handle, "Pset_find_file_hook"); - if (set_hook) { - // we found find file hook symbol, set up our hook function. - set_hook(find_file_hook); - } else if (getenv(SA_ALTROOT)) { - printf("libsaproc WARNING: %s set, but can't set file hook. " \ - "Did you use right version of libproc.so?\n", SA_ALTROOT); - } - p_ps_prochandle_ID = env->GetFieldID(clazz, "p_ps_prochandle", "J"); CHECK_EXCEPTION;