Mercurial > hg > jdk9-shenandoah > hotspot
changeset 6740:bba041a9a030
8038201: Clean up misleading usage of malloc() in init_system_properties_values()
Summary: Remove the misleading malloc macro and cleanup the code
Reviewed-by: dsamersoff, kvn
Contributed-by: goetz.lindenmaier@sap.com
| author | goetz |
|---|---|
| date | Tue, 01 Apr 2014 03:59:01 -0700 |
| parents | 052468a140ae |
| children | c6e84ca274b7 |
| files | src/cpu/ppc/vm/templateInterpreter_ppc.cpp src/os/aix/vm/os_aix.cpp src/os/bsd/vm/os_bsd.cpp src/os/linux/vm/os_linux.cpp src/os/solaris/vm/os_solaris.cpp |
| diffstat | 5 files changed, 478 insertions(+), 582 deletions(-) [+] |
line wrap: on
line diff
--- a/src/cpu/ppc/vm/templateInterpreter_ppc.cpp Mon Mar 31 23:49:00 2014 -0400 +++ b/src/cpu/ppc/vm/templateInterpreter_ppc.cpp Tue Apr 01 03:59:01 2014 -0700 @@ -1672,7 +1672,7 @@ //__ flush_bundle(); address entry = __ pc(); - char *bname = NULL; + const char *bname = NULL; uint tsize = 0; switch(state) { case ftos:
--- a/src/os/aix/vm/os_aix.cpp Mon Mar 31 23:49:00 2014 -0400 +++ b/src/os/aix/vm/os_aix.cpp Tue Apr 01 03:59:01 2014 -0700 @@ -60,8 +60,8 @@ #include "runtime/sharedRuntime.hpp" #include "runtime/statSampler.hpp" #include "runtime/stubRoutines.hpp" +#include "runtime/thread.inline.hpp" #include "runtime/threadCritical.hpp" -#include "runtime/thread.inline.hpp" #include "runtime/timer.hpp" #include "services/attachListener.hpp" #include "services/runtimeService.hpp" @@ -70,16 +70,6 @@ #include "utilities/events.hpp" #include "utilities/growableArray.hpp" #include "utilities/vmError.hpp" -#ifdef TARGET_ARCH_ppc -# include "assembler_ppc.inline.hpp" -# include "nativeInst_ppc.hpp" -#endif -#ifdef COMPILER1 -#include "c1/c1_Runtime1.hpp" -#endif -#ifdef COMPILER2 -#include "opto/runtime.hpp" -#endif // put OS-includes here (sorted alphabetically) #include <errno.h> @@ -378,13 +368,14 @@ assert(_page_size == SIZE_4K, "surprise!"); - // query default data page size (default page size for C-Heap, pthread stacks and .bss). + // Query default data page size (default page size for C-Heap, pthread stacks and .bss). // Default data page size is influenced either by linker options (-bdatapsize) // or by environment variable LDR_CNTRL (suboption DATAPSIZE). If none is given, // default should be 4K. size_t data_page_size = SIZE_4K; { void* p = ::malloc(SIZE_16M); + guarantee(p != NULL, "malloc failed"); data_page_size = os::Aix::query_pagesize(p); ::free(p); } @@ -511,85 +502,76 @@ } // end os::Aix::query_multipage_support() - -// The code for this method was initially derived from the version in os_linux.cpp +// The code for this method was initially derived from the version in os_linux.cpp. void os::init_system_properties_values() { - // The next few definitions allow the code to be verbatim: -#define malloc(n) (char*)NEW_C_HEAP_ARRAY(char, (n), mtInternal) + #define DEFAULT_LIBPATH "/usr/lib:/lib" #define EXTENSIONS_DIR "/lib/ext" #define ENDORSED_DIR "/lib/endorsed" + // Buffer that fits several sprintfs. + // Note that the space for the trailing null is provided + // by the nulls included by the sizeof operator. + const size_t bufsize = + MAX3((size_t)MAXPATHLEN, // For dll_dir & friends. + (size_t)MAXPATHLEN + sizeof(EXTENSIONS_DIR), // extensions dir + (size_t)MAXPATHLEN + sizeof(ENDORSED_DIR)); // endorsed dir + char *buf = (char *)NEW_C_HEAP_ARRAY(char, bufsize, mtInternal); + // sysclasspath, java_home, dll_dir - char *home_path; - char *dll_path; - char *pslash; - char buf[MAXPATHLEN]; - os::jvm_path(buf, sizeof(buf)); - - // Found the full path to libjvm.so. - // Now cut the path to <java_home>/jre if we can. - *(strrchr(buf, '/')) = '\0'; // get rid of /libjvm.so - pslash = strrchr(buf, '/'); - if (pslash != NULL) { - *pslash = '\0'; // get rid of /{client|server|hotspot} - } - - dll_path = malloc(strlen(buf) + 1); - strcpy(dll_path, buf); - Arguments::set_dll_dir(dll_path); - - if (pslash != NULL) { + { + char *pslash; + os::jvm_path(buf, bufsize); + + // Found the full path to libjvm.so. + // Now cut the path to <java_home>/jre if we can. + *(strrchr(buf, '/')) = '\0'; // Get rid of /libjvm.so. pslash = strrchr(buf, '/'); if (pslash != NULL) { - *pslash = '\0'; // get rid of /<arch> + *pslash = '\0'; // Get rid of /{client|server|hotspot}. + } + Arguments::set_dll_dir(buf); + + if (pslash != NULL) { pslash = strrchr(buf, '/'); if (pslash != NULL) { - *pslash = '\0'; // get rid of /lib + *pslash = '\0'; // Get rid of /<arch>. + pslash = strrchr(buf, '/'); + if (pslash != NULL) { + *pslash = '\0'; // Get rid of /lib. + } } } - } - - home_path = malloc(strlen(buf) + 1); - strcpy(home_path, buf); - Arguments::set_java_home(home_path); - - if (!set_boot_path('/', ':')) return; - - // Where to look for native libraries - - // On Aix we get the user setting of LIBPATH + Arguments::set_java_home(buf); + set_boot_path('/', ':'); + } + + // Where to look for native libraries. + + // On Aix we get the user setting of LIBPATH. // Eventually, all the library path setting will be done here. - char *ld_library_path; - - // Construct the invariant part of ld_library_path. - ld_library_path = (char *) malloc(sizeof(DEFAULT_LIBPATH)); - sprintf(ld_library_path, DEFAULT_LIBPATH); - - // Get the user setting of LIBPATH, and prepended it. - char *v = ::getenv("LIBPATH"); - if (v == NULL) { - v = ""; - } - - char *t = ld_library_path; - // That's +1 for the colon and +1 for the trailing '\0' - ld_library_path = (char *) malloc(strlen(v) + 1 + strlen(t) + 1); - sprintf(ld_library_path, "%s:%s", v, t); - + // Get the user setting of LIBPATH. + const char *v = ::getenv("LIBPATH"); + const char *v_colon = ":"; + if (v == NULL) { v = ""; v_colon = ""; } + + // Concatenate user and invariant part of ld_library_path. + // That's +1 for the colon and +1 for the trailing '\0'. + char *ld_library_path = (char *)NEW_C_HEAP_ARRAY(char, strlen(v) + 1 + sizeof(DEFAULT_LIBPATH) + 1, mtInternal); + sprintf(ld_library_path, "%s%s" DEFAULT_LIBPATH, v, v_colon); Arguments::set_library_path(ld_library_path); - - // Extensions directories - char* cbuf = malloc(strlen(Arguments::get_java_home()) + sizeof(EXTENSIONS_DIR)); - sprintf(cbuf, "%s" EXTENSIONS_DIR, Arguments::get_java_home()); - Arguments::set_ext_dirs(cbuf); + FREE_C_HEAP_ARRAY(char, ld_library_path, mtInternal); + + // Extensions directories. + sprintf(buf, "%s" EXTENSIONS_DIR, Arguments::get_java_home()); + Arguments::set_ext_dirs(buf); // Endorsed standards default directory. - cbuf = malloc(strlen(Arguments::get_java_home()) + sizeof(ENDORSED_DIR)); - sprintf(cbuf, "%s" ENDORSED_DIR, Arguments::get_java_home()); - Arguments::set_endorsed_dirs(cbuf); - -#undef malloc + sprintf(buf, "%s" ENDORSED_DIR, Arguments::get_java_home()); + Arguments::set_endorsed_dirs(buf); + + FREE_C_HEAP_ARRAY(char, buf, mtInternal); + #undef DEFAULT_LIBPATH #undef EXTENSIONS_DIR #undef ENDORSED_DIR
--- a/src/os/bsd/vm/os_bsd.cpp Mon Mar 31 23:49:00 2014 -0400 +++ b/src/os/bsd/vm/os_bsd.cpp Tue Apr 01 03:59:01 2014 -0700 @@ -306,9 +306,6 @@ #endif void os::init_system_properties_values() { -// char arch[12]; -// sysinfo(SI_ARCHITECTURE, arch, sizeof(arch)); - // The next steps are taken in the product version: // // Obtain the JAVA_HOME value from the location of libjvm.so. @@ -335,199 +332,205 @@ // Important note: if the location of libjvm.so changes this // code needs to be changed accordingly. - // The next few definitions allow the code to be verbatim: -#define malloc(n) (char*)NEW_C_HEAP_ARRAY(char, (n), mtInternal) -#define getenv(n) ::getenv(n) - -/* - * See ld(1): - * The linker uses the following search paths to locate required - * shared libraries: - * 1: ... - * ... - * 7: The default directories, normally /lib and /usr/lib. - */ +// See ld(1): +// The linker uses the following search paths to locate required +// shared libraries: +// 1: ... +// ... +// 7: The default directories, normally /lib and /usr/lib. #ifndef DEFAULT_LIBPATH #define DEFAULT_LIBPATH "/lib:/usr/lib" #endif +// Base path of extensions installed on the system. +#define SYS_EXT_DIR "/usr/java/packages" #define EXTENSIONS_DIR "/lib/ext" #define ENDORSED_DIR "/lib/endorsed" -#define REG_DIR "/usr/java/packages" - -#ifdef __APPLE__ + +#ifndef __APPLE__ + + // Buffer that fits several sprintfs. + // Note that the space for the colon and the trailing null are provided + // by the nulls included by the sizeof operator. + const size_t bufsize = + MAX3((size_t)MAXPATHLEN, // For dll_dir & friends. + (size_t)MAXPATHLEN + sizeof(EXTENSIONS_DIR) + sizeof(SYS_EXT_DIR) + sizeof(EXTENSIONS_DIR), // extensions dir + (size_t)MAXPATHLEN + sizeof(ENDORSED_DIR)); // endorsed dir + char *buf = (char *)NEW_C_HEAP_ARRAY(char, bufsize, mtInternal); + + // sysclasspath, java_home, dll_dir + { + char *pslash; + os::jvm_path(buf, bufsize); + + // Found the full path to libjvm.so. + // Now cut the path to <java_home>/jre if we can. + *(strrchr(buf, '/')) = '\0'; // Get rid of /libjvm.so. + pslash = strrchr(buf, '/'); + if (pslash != NULL) { + *pslash = '\0'; // Get rid of /{client|server|hotspot}. + } + Arguments::set_dll_dir(buf); + + if (pslash != NULL) { + pslash = strrchr(buf, '/'); + if (pslash != NULL) { + *pslash = '\0'; // Get rid of /<arch>. + pslash = strrchr(buf, '/'); + if (pslash != NULL) { + *pslash = '\0'; // Get rid of /lib. + } + } + } + Arguments::set_java_home(buf); + set_boot_path('/', ':'); + } + + // Where to look for native libraries. + // + // Note: Due to a legacy implementation, most of the library path + // is set in the launcher. This was to accomodate linking restrictions + // on legacy Bsd implementations (which are no longer supported). + // Eventually, all the library path setting will be done here. + // + // However, to prevent the proliferation of improperly built native + // libraries, the new path component /usr/java/packages is added here. + // Eventually, all the library path setting will be done here. + { + // Get the user setting of LD_LIBRARY_PATH, and prepended it. It + // should always exist (until the legacy problem cited above is + // addressed). + const char *v = ::getenv("LD_LIBRARY_PATH"); + const char *v_colon = ":"; + if (v == NULL) { v = ""; v_colon = ""; } + // That's +1 for the colon and +1 for the trailing '\0'. + char *ld_library_path = (char *)NEW_C_HEAP_ARRAY(char, + strlen(v) + 1 + + sizeof(SYS_EXT_DIR) + sizeof("/lib/") + strlen(cpu_arch) + sizeof(DEFAULT_LIBPATH) + 1, + mtInternal); + sprintf(ld_library_path, "%s%s" SYS_EXT_DIR "/lib/%s:" DEFAULT_LIBPATH, v, v_colon, cpu_arch); + Arguments::set_library_path(ld_library_path); + FREE_C_HEAP_ARRAY(char, ld_library_path, mtInternal); + } + + // Extensions directories. + sprintf(buf, "%s" EXTENSIONS_DIR ":" SYS_EXT_DIR EXTENSIONS_DIR, Arguments::get_java_home()); + Arguments::set_ext_dirs(buf); + + // Endorsed standards default directory. + sprintf(buf, "%s" ENDORSED_DIR, Arguments::get_java_home()); + Arguments::set_endorsed_dirs(buf); + + FREE_C_HEAP_ARRAY(char, buf, mtInternal); + +#else // __APPLE__ + #define SYS_EXTENSIONS_DIR "/Library/Java/Extensions" #define SYS_EXTENSIONS_DIRS SYS_EXTENSIONS_DIR ":/Network" SYS_EXTENSIONS_DIR ":/System" SYS_EXTENSIONS_DIR ":/usr/lib/java" - const char *user_home_dir = get_home(); - // the null in SYS_EXTENSIONS_DIRS counts for the size of the colon after user_home_dir - int system_ext_size = strlen(user_home_dir) + sizeof(SYS_EXTENSIONS_DIR) + - sizeof(SYS_EXTENSIONS_DIRS); -#endif - + + const char *user_home_dir = get_home(); + // The null in SYS_EXTENSIONS_DIRS counts for the size of the colon after user_home_dir. + size_t system_ext_size = strlen(user_home_dir) + sizeof(SYS_EXTENSIONS_DIR) + + sizeof(SYS_EXTENSIONS_DIRS); + + // Buffer that fits several sprintfs. + // Note that the space for the colon and the trailing null are provided + // by the nulls included by the sizeof operator. + const size_t bufsize = + MAX3((size_t)MAXPATHLEN, // for dll_dir & friends. + (size_t)MAXPATHLEN + sizeof(EXTENSIONS_DIR) + system_ext_size, // extensions dir + (size_t)MAXPATHLEN + sizeof(ENDORSED_DIR)); // endorsed dir + char *buf = (char *)NEW_C_HEAP_ARRAY(char, bufsize, mtInternal); + + // sysclasspath, java_home, dll_dir { - /* sysclasspath, java_home, dll_dir */ - { - char *home_path; - char *dll_path; - char *pslash; - char buf[MAXPATHLEN]; - os::jvm_path(buf, sizeof(buf)); - - // Found the full path to libjvm.so. - // Now cut the path to <java_home>/jre if we can. - *(strrchr(buf, '/')) = '\0'; /* get rid of /libjvm.so */ - pslash = strrchr(buf, '/'); - if (pslash != NULL) - *pslash = '\0'; /* get rid of /{client|server|hotspot} */ - dll_path = malloc(strlen(buf) + 1); - if (dll_path == NULL) - return; - strcpy(dll_path, buf); - Arguments::set_dll_dir(dll_path); - - if (pslash != NULL) { - pslash = strrchr(buf, '/'); - if (pslash != NULL) { - *pslash = '\0'; /* get rid of /<arch> (/lib on macosx) */ -#ifndef __APPLE__ - pslash = strrchr(buf, '/'); - if (pslash != NULL) - *pslash = '\0'; /* get rid of /lib */ -#endif - } - } - - home_path = malloc(strlen(buf) + 1); - if (home_path == NULL) - return; - strcpy(home_path, buf); - Arguments::set_java_home(home_path); - - if (!set_boot_path('/', ':')) - return; + char *pslash; + os::jvm_path(buf, bufsize); + + // Found the full path to libjvm.so. + // Now cut the path to <java_home>/jre if we can. + *(strrchr(buf, '/')) = '\0'; // Get rid of /libjvm.so. + pslash = strrchr(buf, '/'); + if (pslash != NULL) { + *pslash = '\0'; // Get rid of /{client|server|hotspot}. + } + Arguments::set_dll_dir(buf); + + if (pslash != NULL) { + pslash = strrchr(buf, '/'); + if (pslash != NULL) { + *pslash = '\0'; // Get rid of /lib. + } } - - /* - * Where to look for native libraries - * - * Note: Due to a legacy implementation, most of the library path - * is set in the launcher. This was to accomodate linking restrictions - * on legacy Bsd implementations (which are no longer supported). - * Eventually, all the library path setting will be done here. - * - * However, to prevent the proliferation of improperly built native - * libraries, the new path component /usr/java/packages is added here. - * Eventually, all the library path setting will be done here. - */ - { - char *ld_library_path; - - /* - * Construct the invariant part of ld_library_path. Note that the - * space for the colon and the trailing null are provided by the - * nulls included by the sizeof operator (so actually we allocate - * a byte more than necessary). - */ -#ifdef __APPLE__ - ld_library_path = (char *) malloc(system_ext_size); - sprintf(ld_library_path, "%s" SYS_EXTENSIONS_DIR ":" SYS_EXTENSIONS_DIRS, user_home_dir); -#else - ld_library_path = (char *) malloc(sizeof(REG_DIR) + sizeof("/lib/") + - strlen(cpu_arch) + sizeof(DEFAULT_LIBPATH)); - sprintf(ld_library_path, REG_DIR "/lib/%s:" DEFAULT_LIBPATH, cpu_arch); -#endif - - /* - * Get the user setting of LD_LIBRARY_PATH, and prepended it. It - * should always exist (until the legacy problem cited above is - * addressed). - */ -#ifdef __APPLE__ - // Prepend the default path with the JAVA_LIBRARY_PATH so that the app launcher code can specify a directory inside an app wrapper - char *l = getenv("JAVA_LIBRARY_PATH"); - if (l != NULL) { - char *t = ld_library_path; - /* That's +1 for the colon and +1 for the trailing '\0' */ - ld_library_path = (char *) malloc(strlen(l) + 1 + strlen(t) + 1); - sprintf(ld_library_path, "%s:%s", l, t); - free(t); - } - - char *v = getenv("DYLD_LIBRARY_PATH"); -#else - char *v = getenv("LD_LIBRARY_PATH"); -#endif - if (v != NULL) { - char *t = ld_library_path; - /* That's +1 for the colon and +1 for the trailing '\0' */ - ld_library_path = (char *) malloc(strlen(v) + 1 + strlen(t) + 1); - sprintf(ld_library_path, "%s:%s", v, t); - free(t); - } - -#ifdef __APPLE__ - // Apple's Java6 has "." at the beginning of java.library.path. - // OpenJDK on Windows has "." at the end of java.library.path. - // OpenJDK on Linux and Solaris don't have "." in java.library.path - // at all. To ease the transition from Apple's Java6 to OpenJDK7, - // "." is appended to the end of java.library.path. Yes, this - // could cause a change in behavior, but Apple's Java6 behavior - // can be achieved by putting "." at the beginning of the - // JAVA_LIBRARY_PATH environment variable. - { - char *t = ld_library_path; - // that's +3 for appending ":." and the trailing '\0' - ld_library_path = (char *) malloc(strlen(t) + 3); - sprintf(ld_library_path, "%s:%s", t, "."); - free(t); - } -#endif - - Arguments::set_library_path(ld_library_path); - } - - /* - * Extensions directories. - * - * Note that the space for the colon and the trailing null are provided - * by the nulls included by the sizeof operator (so actually one byte more - * than necessary is allocated). - */ - { -#ifdef __APPLE__ - char *buf = malloc(strlen(Arguments::get_java_home()) + - sizeof(EXTENSIONS_DIR) + system_ext_size); - sprintf(buf, "%s" SYS_EXTENSIONS_DIR ":%s" EXTENSIONS_DIR ":" - SYS_EXTENSIONS_DIRS, user_home_dir, Arguments::get_java_home()); -#else - char *buf = malloc(strlen(Arguments::get_java_home()) + - sizeof(EXTENSIONS_DIR) + sizeof(REG_DIR) + sizeof(EXTENSIONS_DIR)); - sprintf(buf, "%s" EXTENSIONS_DIR ":" REG_DIR EXTENSIONS_DIR, - Arguments::get_java_home()); -#endif - - Arguments::set_ext_dirs(buf); - } - - /* Endorsed standards default directory. */ - { - char * buf; - buf = malloc(strlen(Arguments::get_java_home()) + sizeof(ENDORSED_DIR)); - sprintf(buf, "%s" ENDORSED_DIR, Arguments::get_java_home()); - Arguments::set_endorsed_dirs(buf); - } + Arguments::set_java_home(buf); + set_boot_path('/', ':'); } -#ifdef __APPLE__ + // Where to look for native libraries. + // + // Note: Due to a legacy implementation, most of the library path + // is set in the launcher. This was to accomodate linking restrictions + // on legacy Bsd implementations (which are no longer supported). + // Eventually, all the library path setting will be done here. + // + // However, to prevent the proliferation of improperly built native + // libraries, the new path component /usr/java/packages is added here. + // Eventually, all the library path setting will be done here. + { + // Get the user setting of LD_LIBRARY_PATH, and prepended it. It + // should always exist (until the legacy problem cited above is + // addressed). + // Prepend the default path with the JAVA_LIBRARY_PATH so that the app launcher code + // can specify a directory inside an app wrapper + const char *l = ::getenv("JAVA_LIBRARY_PATH"); + const char *l_colon = ":"; + if (l == NULL) { l = ""; l_colon = ""; } + + const char *v = ::getenv("DYLD_LIBRARY_PATH"); + const char *v_colon = ":"; + if (v == NULL) { v = ""; v_colon = ""; } + + // Apple's Java6 has "." at the beginning of java.library.path. + // OpenJDK on Windows has "." at the end of java.library.path. + // OpenJDK on Linux and Solaris don't have "." in java.library.path + // at all. To ease the transition from Apple's Java6 to OpenJDK7, + // "." is appended to the end of java.library.path. Yes, this + // could cause a change in behavior, but Apple's Java6 behavior + // can be achieved by putting "." at the beginning of the + // JAVA_LIBRARY_PATH environment variable. + char *ld_library_path = (char *)NEW_C_HEAP_ARRAY(char, + strlen(v) + 1 + strlen(l) + 1 + + system_ext_size + 3, + mtInternal); + sprintf(ld_library_path, "%s%s%s%s%s" SYS_EXTENSIONS_DIR ":" SYS_EXTENSIONS_DIRS ":.", + v, v_colon, l, l_colon, user_home_dir); + Arguments::set_library_path(ld_library_path); + FREE_C_HEAP_ARRAY(char, ld_library_path, mtInternal); + } + + // Extensions directories. + // + // Note that the space for the colon and the trailing null are provided + // by the nulls included by the sizeof operator (so actually one byte more + // than necessary is allocated). + sprintf(buf, "%s" SYS_EXTENSIONS_DIR ":%s" EXTENSIONS_DIR ":" SYS_EXTENSIONS_DIRS, + user_home_dir, Arguments::get_java_home()); + Arguments::set_ext_dirs(buf); + + // Endorsed standards default directory. + sprintf(buf, "%s" ENDORSED_DIR, Arguments::get_java_home()); + Arguments::set_endorsed_dirs(buf); + + FREE_C_HEAP_ARRAY(char, buf, mtInternal); + #undef SYS_EXTENSIONS_DIR -#endif -#undef malloc -#undef getenv +#undef SYS_EXTENSIONS_DIRS + +#endif // __APPLE__ + +#undef SYS_EXT_DIR #undef EXTENSIONS_DIR #undef ENDORSED_DIR - - // Done - return; } //////////////////////////////////////////////////////////////////////////////// @@ -3091,7 +3094,7 @@ sigAct.sa_sigaction = signalHandler; sigAct.sa_flags = SA_SIGINFO|SA_RESTART; } -#if __APPLE__ +#ifdef __APPLE__ // Needed for main thread as XNU (Mac OS X kernel) will only deliver SIGSEGV // (which starts as SIGBUS) on main thread with faulting address inside "stack+guard pages" // if the signal handler declares it will handle it on alternate stack.
--- a/src/os/linux/vm/os_linux.cpp Mon Mar 31 23:49:00 2014 -0400 +++ b/src/os/linux/vm/os_linux.cpp Tue Apr 01 03:59:01 2014 -0700 @@ -319,9 +319,6 @@ } void os::init_system_properties_values() { -// char arch[12]; -// sysinfo(SI_ARCHITECTURE, arch, sizeof(arch)); - // The next steps are taken in the product version: // // Obtain the JAVA_HOME value from the location of libjvm.so. @@ -348,140 +345,101 @@ // Important note: if the location of libjvm.so changes this // code needs to be changed accordingly. - // The next few definitions allow the code to be verbatim: -#define malloc(n) (char*)NEW_C_HEAP_ARRAY(char, (n), mtInternal) -#define getenv(n) ::getenv(n) - -/* - * See ld(1): - * The linker uses the following search paths to locate required - * shared libraries: - * 1: ... - * ... - * 7: The default directories, normally /lib and /usr/lib. - */ +// See ld(1): +// The linker uses the following search paths to locate required +// shared libraries: +// 1: ... +// ... +// 7: The default directories, normally /lib and /usr/lib. #if defined(AMD64) || defined(_LP64) && (defined(SPARC) || defined(PPC) || defined(S390)) #define DEFAULT_LIBPATH "/usr/lib64:/lib64:/lib:/usr/lib" #else #define DEFAULT_LIBPATH "/lib:/usr/lib" #endif +// Base path of extensions installed on the system. +#define SYS_EXT_DIR "/usr/java/packages" #define EXTENSIONS_DIR "/lib/ext" #define ENDORSED_DIR "/lib/endorsed" -#define REG_DIR "/usr/java/packages" - + + // Buffer that fits several sprintfs. + // Note that the space for the colon and the trailing null are provided + // by the nulls included by the sizeof operator. + const size_t bufsize = + MAX3((size_t)MAXPATHLEN, // For dll_dir & friends. + (size_t)MAXPATHLEN + sizeof(EXTENSIONS_DIR) + sizeof(SYS_EXT_DIR) + sizeof(EXTENSIONS_DIR), // extensions dir + (size_t)MAXPATHLEN + sizeof(ENDORSED_DIR)); // endorsed dir + char *buf = (char *)NEW_C_HEAP_ARRAY(char, bufsize, mtInternal); + + // sysclasspath, java_home, dll_dir { - /* sysclasspath, java_home, dll_dir */ - { - char *home_path; - char *dll_path; - char *pslash; - char buf[MAXPATHLEN]; - os::jvm_path(buf, sizeof(buf)); - - // Found the full path to libjvm.so. - // Now cut the path to <java_home>/jre if we can. - *(strrchr(buf, '/')) = '\0'; /* get rid of /libjvm.so */ + char *pslash; + os::jvm_path(buf, bufsize); + + // Found the full path to libjvm.so. + // Now cut the path to <java_home>/jre if we can. + *(strrchr(buf, '/')) = '\0'; // Get rid of /libjvm.so. + pslash = strrchr(buf, '/'); + if (pslash != NULL) { + *pslash = '\0'; // Get rid of /{client|server|hotspot}. + } + Arguments::set_dll_dir(buf); + + if (pslash != NULL) { + pslash = strrchr(buf, '/'); + if (pslash != NULL) { + *pslash = '\0'; // Get rid of /<arch>. pslash = strrchr(buf, '/'); - if (pslash != NULL) - *pslash = '\0'; /* get rid of /{client|server|hotspot} */ - dll_path = malloc(strlen(buf) + 1); - if (dll_path == NULL) - return; - strcpy(dll_path, buf); - Arguments::set_dll_dir(dll_path); - if (pslash != NULL) { - pslash = strrchr(buf, '/'); - if (pslash != NULL) { - *pslash = '\0'; /* get rid of /<arch> */ - pslash = strrchr(buf, '/'); - if (pslash != NULL) - *pslash = '\0'; /* get rid of /lib */ - } + *pslash = '\0'; // Get rid of /lib. } - - home_path = malloc(strlen(buf) + 1); - if (home_path == NULL) - return; - strcpy(home_path, buf); - Arguments::set_java_home(home_path); - - if (!set_boot_path('/', ':')) - return; + } } - - /* - * Where to look for native libraries - * - * Note: Due to a legacy implementation, most of the library path - * is set in the launcher. This was to accomodate linking restrictions - * on legacy Linux implementations (which are no longer supported). - * Eventually, all the library path setting will be done here. - * - * However, to prevent the proliferation of improperly built native - * libraries, the new path component /usr/java/packages is added here. - * Eventually, all the library path setting will be done here. - */ - { - char *ld_library_path; - - /* - * Construct the invariant part of ld_library_path. Note that the - * space for the colon and the trailing null are provided by the - * nulls included by the sizeof operator (so actually we allocate - * a byte more than necessary). - */ - ld_library_path = (char *) malloc(sizeof(REG_DIR) + sizeof("/lib/") + - strlen(cpu_arch) + sizeof(DEFAULT_LIBPATH)); - sprintf(ld_library_path, REG_DIR "/lib/%s:" DEFAULT_LIBPATH, cpu_arch); - - /* - * Get the user setting of LD_LIBRARY_PATH, and prepended it. It - * should always exist (until the legacy problem cited above is - * addressed). - */ - char *v = getenv("LD_LIBRARY_PATH"); - if (v != NULL) { - char *t = ld_library_path; - /* That's +1 for the colon and +1 for the trailing '\0' */ - ld_library_path = (char *) malloc(strlen(v) + 1 + strlen(t) + 1); - sprintf(ld_library_path, "%s:%s", v, t); - } - Arguments::set_library_path(ld_library_path); - } - - /* - * Extensions directories. - * - * Note that the space for the colon and the trailing null are provided - * by the nulls included by the sizeof operator (so actually one byte more - * than necessary is allocated). - */ - { - char *buf = malloc(strlen(Arguments::get_java_home()) + - sizeof(EXTENSIONS_DIR) + sizeof(REG_DIR) + sizeof(EXTENSIONS_DIR)); - sprintf(buf, "%s" EXTENSIONS_DIR ":" REG_DIR EXTENSIONS_DIR, - Arguments::get_java_home()); - Arguments::set_ext_dirs(buf); - } - - /* Endorsed standards default directory. */ - { - char * buf; - buf = malloc(strlen(Arguments::get_java_home()) + sizeof(ENDORSED_DIR)); - sprintf(buf, "%s" ENDORSED_DIR, Arguments::get_java_home()); - Arguments::set_endorsed_dirs(buf); - } - } - -#undef malloc -#undef getenv + Arguments::set_java_home(buf); + set_boot_path('/', ':'); + } + + // Where to look for native libraries. + // + // Note: Due to a legacy implementation, most of the library path + // is set in the launcher. This was to accomodate linking restrictions + // on legacy Linux implementations (which are no longer supported). + // Eventually, all the library path setting will be done here. + // + // However, to prevent the proliferation of improperly built native + // libraries, the new path component /usr/java/packages is added here. + // Eventually, all the library path setting will be done here. + { + // Get the user setting of LD_LIBRARY_PATH, and prepended it. It + // should always exist (until the legacy problem cited above is + // addressed). + const char *v = ::getenv("LD_LIBRARY_PATH"); + const char *v_colon = ":"; + if (v == NULL) { v = ""; v_colon = ""; } + // That's +1 for the colon and +1 for the trailing '\0'. + char *ld_library_path = (char *)NEW_C_HEAP_ARRAY(char, + strlen(v) + 1 + + sizeof(SYS_EXT_DIR) + sizeof("/lib/") + strlen(cpu_arch) + sizeof(DEFAULT_LIBPATH) + 1, + mtInternal); + sprintf(ld_library_path, "%s%s" SYS_EXT_DIR "/lib/%s:" DEFAULT_LIBPATH, v, v_colon, cpu_arch); + Arguments::set_library_path(ld_library_path); + FREE_C_HEAP_ARRAY(char, ld_library_path, mtInternal); + } + + // Extensions directories. + sprintf(buf, "%s" EXTENSIONS_DIR ":" SYS_EXT_DIR EXTENSIONS_DIR, Arguments::get_java_home()); + Arguments::set_ext_dirs(buf); + + // Endorsed standards default directory. + sprintf(buf, "%s" ENDORSED_DIR, Arguments::get_java_home()); + Arguments::set_endorsed_dirs(buf); + + FREE_C_HEAP_ARRAY(char, buf, mtInternal); + +#undef DEFAULT_LIBPATH +#undef SYS_EXT_DIR #undef EXTENSIONS_DIR #undef ENDORSED_DIR - - // Done - return; } ////////////////////////////////////////////////////////////////////////////////
--- a/src/os/solaris/vm/os_solaris.cpp Mon Mar 31 23:49:00 2014 -0400 +++ b/src/os/solaris/vm/os_solaris.cpp Tue Apr 01 03:59:01 2014 -0700 @@ -580,9 +580,6 @@ void os::init_system_properties_values() { - char arch[12]; - sysinfo(SI_ARCHITECTURE, arch, sizeof(arch)); - // The next steps are taken in the product version: // // Obtain the JAVA_HOME value from the location of libjvm.so. @@ -609,218 +606,174 @@ // Important note: if the location of libjvm.so changes this // code needs to be changed accordingly. - // The next few definitions allow the code to be verbatim: -#define malloc(n) (char*)NEW_C_HEAP_ARRAY(char, (n), mtInternal) -#define free(p) FREE_C_HEAP_ARRAY(char, p, mtInternal) -#define getenv(n) ::getenv(n) - +// Base path of extensions installed on the system. +#define SYS_EXT_DIR "/usr/jdk/packages" #define EXTENSIONS_DIR "/lib/ext" #define ENDORSED_DIR "/lib/endorsed" -#define COMMON_DIR "/usr/jdk/packages" - + + char cpu_arch[12]; + // Buffer that fits several sprintfs. + // Note that the space for the colon and the trailing null are provided + // by the nulls included by the sizeof operator. + const size_t bufsize = + MAX4((size_t)MAXPATHLEN, // For dll_dir & friends. + sizeof(SYS_EXT_DIR) + sizeof("/lib/") + strlen(cpu_arch), // invariant ld_library_path + (size_t)MAXPATHLEN + sizeof(EXTENSIONS_DIR) + sizeof(SYS_EXT_DIR) + sizeof(EXTENSIONS_DIR), // extensions dir + (size_t)MAXPATHLEN + sizeof(ENDORSED_DIR)); // endorsed dir + char *buf = (char *)NEW_C_HEAP_ARRAY(char, bufsize, mtInternal); + + // sysclasspath, java_home, dll_dir { - /* sysclasspath, java_home, dll_dir */ - { - char *home_path; - char *dll_path; - char *pslash; - char buf[MAXPATHLEN]; - os::jvm_path(buf, sizeof(buf)); - - // Found the full path to libjvm.so. - // Now cut the path to <java_home>/jre if we can. - *(strrchr(buf, '/')) = '\0'; /* get rid of /libjvm.so */ - pslash = strrchr(buf, '/'); - if (pslash != NULL) - *pslash = '\0'; /* get rid of /{client|server|hotspot} */ - dll_path = malloc(strlen(buf) + 1); - if (dll_path == NULL) - return; - strcpy(dll_path, buf); - Arguments::set_dll_dir(dll_path); - - if (pslash != NULL) { - pslash = strrchr(buf, '/'); - if (pslash != NULL) { - *pslash = '\0'; /* get rid of /<arch> */ - pslash = strrchr(buf, '/'); - if (pslash != NULL) - *pslash = '\0'; /* get rid of /lib */ - } - } - - home_path = malloc(strlen(buf) + 1); - if (home_path == NULL) - return; - strcpy(home_path, buf); - Arguments::set_java_home(home_path); - - if (!set_boot_path('/', ':')) - return; + char *pslash; + os::jvm_path(buf, bufsize); + + // Found the full path to libjvm.so. + // Now cut the path to <java_home>/jre if we can. + *(strrchr(buf, '/')) = '\0'; // Get rid of /libjvm.so. + pslash = strrchr(buf, '/'); + if (pslash != NULL) { + *pslash = '\0'; // Get rid of /{client|server|hotspot}. } - - /* - * Where to look for native libraries - */ - { - // Use dlinfo() to determine the correct java.library.path. - // - // If we're launched by the Java launcher, and the user - // does not set java.library.path explicitly on the commandline, - // the Java launcher sets LD_LIBRARY_PATH for us and unsets - // LD_LIBRARY_PATH_32 and LD_LIBRARY_PATH_64. In this case - // dlinfo returns LD_LIBRARY_PATH + crle settings (including - // /usr/lib), which is exactly what we want. - // - // If the user does set java.library.path, it completely - // overwrites this setting, and always has. - // - // If we're not launched by the Java launcher, we may - // get here with any/all of the LD_LIBRARY_PATH[_32|64] - // settings. Again, dlinfo does exactly what we want. - - Dl_serinfo _info, *info = &_info; - Dl_serpath *path; - char* library_path; - char *common_path; - int i; - - // determine search path count and required buffer size - if (dlinfo(RTLD_SELF, RTLD_DI_SERINFOSIZE, (void *)info) == -1) { - vm_exit_during_initialization("dlinfo SERINFOSIZE request", dlerror()); - } - - // allocate new buffer and initialize - info = (Dl_serinfo*)malloc(_info.dls_size); - if (info == NULL) { - vm_exit_out_of_memory(_info.dls_size, OOM_MALLOC_ERROR, - "init_system_properties_values info"); - } - info->dls_size = _info.dls_size; - info->dls_cnt = _info.dls_cnt; - - // obtain search path information - if (dlinfo(RTLD_SELF, RTLD_DI_SERINFO, (void *)info) == -1) { - free(info); - vm_exit_during_initialization("dlinfo SERINFO request", dlerror()); + Arguments::set_dll_dir(buf); + + if (pslash != NULL) { + pslash = strrchr(buf, '/'); + if (pslash != NULL) { + *pslash = '\0'; // Get rid of /<arch>. + pslash = strrchr(buf, '/'); + if (pslash != NULL) { + *pslash = '\0'; // Get rid of /lib. + } } - - path = &info->dls_serpath[0]; - - // Note: Due to a legacy implementation, most of the library path - // is set in the launcher. This was to accomodate linking restrictions - // on legacy Solaris implementations (which are no longer supported). - // Eventually, all the library path setting will be done here. - // - // However, to prevent the proliferation of improperly built native - // libraries, the new path component /usr/jdk/packages is added here. - - // Determine the actual CPU architecture. - char cpu_arch[12]; - sysinfo(SI_ARCHITECTURE, cpu_arch, sizeof(cpu_arch)); + } + Arguments::set_java_home(buf); + set_boot_path('/', ':'); + } + + // Where to look for native libraries. + { + // Use dlinfo() to determine the correct java.library.path. + // + // If we're launched by the Java launcher, and the user + // does not set java.library.path explicitly on the commandline, + // the Java launcher sets LD_LIBRARY_PATH for us and unsets + // LD_LIBRARY_PATH_32 and LD_LIBRARY_PATH_64. In this case + // dlinfo returns LD_LIBRARY_PATH + crle settings (including + // /usr/lib), which is exactly what we want. + // + // If the user does set java.library.path, it completely + // overwrites this setting, and always has. + // + // If we're not launched by the Java launcher, we may + // get here with any/all of the LD_LIBRARY_PATH[_32|64] + // settings. Again, dlinfo does exactly what we want. + + Dl_serinfo info_sz, *info = &info_sz; + Dl_serpath *path; + char *library_path; + char *common_path = buf; + + // Determine search path count and required buffer size. + if (dlinfo(RTLD_SELF, RTLD_DI_SERINFOSIZE, (void *)info) == -1) { + FREE_C_HEAP_ARRAY(char, buf, mtInternal); + vm_exit_during_initialization("dlinfo SERINFOSIZE request", dlerror()); + } + + // Allocate new buffer and initialize. + info = (Dl_serinfo*)NEW_C_HEAP_ARRAY(char, info_sz.dls_size, mtInternal); + info->dls_size = info_sz.dls_size; + info->dls_cnt = info_sz.dls_cnt; + + // Obtain search path information. + if (dlinfo(RTLD_SELF, RTLD_DI_SERINFO, (void *)info) == -1) { + FREE_C_HEAP_ARRAY(char, buf, mtInternal); + FREE_C_HEAP_ARRAY(char, info, mtInternal); + vm_exit_during_initialization("dlinfo SERINFO request", dlerror()); + } + + path = &info->dls_serpath[0]; + + // Note: Due to a legacy implementation, most of the library path + // is set in the launcher. This was to accomodate linking restrictions + // on legacy Solaris implementations (which are no longer supported). + // Eventually, all the library path setting will be done here. + // + // However, to prevent the proliferation of improperly built native + // libraries, the new path component /usr/jdk/packages is added here. + + // Determine the actual CPU architecture. + sysinfo(SI_ARCHITECTURE, cpu_arch, sizeof(cpu_arch)); #ifdef _LP64 - // If we are a 64-bit vm, perform the following translations: - // sparc -> sparcv9 - // i386 -> amd64 - if (strcmp(cpu_arch, "sparc") == 0) - strcat(cpu_arch, "v9"); - else if (strcmp(cpu_arch, "i386") == 0) - strcpy(cpu_arch, "amd64"); + // If we are a 64-bit vm, perform the following translations: + // sparc -> sparcv9 + // i386 -> amd64 + if (strcmp(cpu_arch, "sparc") == 0) { + strcat(cpu_arch, "v9"); + } else if (strcmp(cpu_arch, "i386") == 0) { + strcpy(cpu_arch, "amd64"); + } #endif - // Construct the invariant part of ld_library_path. Note that the - // space for the colon and the trailing null are provided by the - // nulls included by the sizeof operator. - size_t bufsize = sizeof(COMMON_DIR) + sizeof("/lib/") + strlen(cpu_arch); - common_path = malloc(bufsize); - if (common_path == NULL) { - free(info); - vm_exit_out_of_memory(bufsize, OOM_MALLOC_ERROR, - "init_system_properties_values common_path"); - } - sprintf(common_path, COMMON_DIR "/lib/%s", cpu_arch); - - // struct size is more than sufficient for the path components obtained - // through the dlinfo() call, so only add additional space for the path - // components explicitly added here. - bufsize = info->dls_size + strlen(common_path); - library_path = malloc(bufsize); - if (library_path == NULL) { - free(info); - free(common_path); - vm_exit_out_of_memory(bufsize, OOM_MALLOC_ERROR, - "init_system_properties_values library_path"); + // Construct the invariant part of ld_library_path. + sprintf(common_path, SYS_EXT_DIR "/lib/%s", cpu_arch); + + // Struct size is more than sufficient for the path components obtained + // through the dlinfo() call, so only add additional space for the path + // components explicitly added here. + size_t library_path_size = info->dls_size + strlen(common_path); + library_path = (char *)NEW_C_HEAP_ARRAY(char, library_path_size, mtInternal); + library_path[0] = '\0'; + + // Construct the desired Java library path from the linker's library + // search path. + // + // For compatibility, it is optimal that we insert the additional path + // components specific to the Java VM after those components specified + // in LD_LIBRARY_PATH (if any) but before those added by the ld.so + // infrastructure. + if (info->dls_cnt == 0) { // Not sure this can happen, but allow for it. + strcpy(library_path, common_path); + } else { + int inserted = 0; + int i; + for (i = 0; i < info->dls_cnt; i++, path++) { + uint_t flags = path->dls_flags & LA_SER_MASK; + if (((flags & LA_SER_LIBPATH) == 0) && !inserted) { + strcat(library_path, common_path); + strcat(library_path, os::path_separator()); + inserted = 1; + } + strcat(library_path, path->dls_name); + strcat(library_path, os::path_separator()); } - library_path[0] = '\0'; - - // Construct the desired Java library path from the linker's library - // search path. - // - // For compatibility, it is optimal that we insert the additional path - // components specific to the Java VM after those components specified - // in LD_LIBRARY_PATH (if any) but before those added by the ld.so - // infrastructure. - if (info->dls_cnt == 0) { // Not sure this can happen, but allow for it - strcpy(library_path, common_path); - } else { - int inserted = 0; - for (i = 0; i < info->dls_cnt; i++, path++) { - uint_t flags = path->dls_flags & LA_SER_MASK; - if (((flags & LA_SER_LIBPATH) == 0) && !inserted) { - strcat(library_path, common_path); - strcat(library_path, os::path_separator()); - inserted = 1; - } - strcat(library_path, path->dls_name); - strcat(library_path, os::path_separator()); - } - // eliminate trailing path separator - library_path[strlen(library_path)-1] = '\0'; - } - - // happens before argument parsing - can't use a trace flag - // tty->print_raw("init_system_properties_values: native lib path: "); - // tty->print_raw_cr(library_path); - - // callee copies into its own buffer - Arguments::set_library_path(library_path); - - free(common_path); - free(library_path); - free(info); + // Eliminate trailing path separator. + library_path[strlen(library_path)-1] = '\0'; } - /* - * Extensions directories. - * - * Note that the space for the colon and the trailing null are provided - * by the nulls included by the sizeof operator (so actually one byte more - * than necessary is allocated). - */ - { - char *buf = (char *) malloc(strlen(Arguments::get_java_home()) + - sizeof(EXTENSIONS_DIR) + sizeof(COMMON_DIR) + - sizeof(EXTENSIONS_DIR)); - sprintf(buf, "%s" EXTENSIONS_DIR ":" COMMON_DIR EXTENSIONS_DIR, - Arguments::get_java_home()); - Arguments::set_ext_dirs(buf); - } - - /* Endorsed standards default directory. */ - { - char * buf = malloc(strlen(Arguments::get_java_home()) + sizeof(ENDORSED_DIR)); - sprintf(buf, "%s" ENDORSED_DIR, Arguments::get_java_home()); - Arguments::set_endorsed_dirs(buf); - } - } - -#undef malloc -#undef free -#undef getenv + // happens before argument parsing - can't use a trace flag + // tty->print_raw("init_system_properties_values: native lib path: "); + // tty->print_raw_cr(library_path); + + // Callee copies into its own buffer. + Arguments::set_library_path(library_path); + + FREE_C_HEAP_ARRAY(char, library_path, mtInternal); + FREE_C_HEAP_ARRAY(char, info, mtInternal); + } + + // Extensions directories. + sprintf(buf, "%s" EXTENSIONS_DIR ":" SYS_EXT_DIR EXTENSIONS_DIR, Arguments::get_java_home()); + Arguments::set_ext_dirs(buf); + + // Endorsed standards default directory. + sprintf(buf, "%s" ENDORSED_DIR, Arguments::get_java_home()); + Arguments::set_endorsed_dirs(buf); + + FREE_C_HEAP_ARRAY(char, buf, mtInternal); + +#undef SYS_EXT_DIR #undef EXTENSIONS_DIR #undef ENDORSED_DIR -#undef COMMON_DIR - } void os::breakpoint() {