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提交 b7f6588d 编写于 作者: F fparain
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上级 77e58731 cedeb2a8
隐藏空白更改
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Showing with 372 addition and 238 deletion
src/os/bsd/vm/os_bsd.cpp
浏览文件 @ b7f6588d
......@@ -1234,12 +1234,13 @@ bool os::address_is_in_vm(address addr) {
Dl_info dlinfo;
if (libjvm_base_addr == NULL) {
dladdr(CAST_FROM_FN_PTR(void *, os::address_is_in_vm), &dlinfo);
libjvm_base_addr = (address)dlinfo.dli_fbase;
if (dladdr(CAST_FROM_FN_PTR(void *, os::address_is_in_vm), &dlinfo) != 0) {
libjvm_base_addr = (address)dlinfo.dli_fbase;
}
assert(libjvm_base_addr !=NULL, "Cannot obtain base address for libjvm");
}
if (dladdr((void *)addr, &dlinfo)) {
if (dladdr((void *)addr, &dlinfo) != 0) {
if (libjvm_base_addr == (address)dlinfo.dli_fbase) return true;
}
......@@ -1251,35 +1252,40 @@ bool os::address_is_in_vm(address addr) {
bool os::dll_address_to_function_name(address addr, char *buf,
int buflen, int *offset) {
// buf is not optional, but offset is optional
assert(buf != NULL, "sanity check");
Dl_info dlinfo;
char localbuf[MACH_MAXSYMLEN];
// dladdr will find names of dynamic functions only, but does
// it set dli_fbase with mach_header address when it "fails" ?
if (dladdr((void*)addr, &dlinfo) && dlinfo.dli_sname != NULL) {
if (buf != NULL) {
if(!Decoder::demangle(dlinfo.dli_sname, buf, buflen)) {
if (dladdr((void*)addr, &dlinfo) != 0) {
// see if we have a matching symbol
if (dlinfo.dli_saddr != NULL && dlinfo.dli_sname != NULL) {
if (!Decoder::demangle(dlinfo.dli_sname, buf, buflen)) {
jio_snprintf(buf, buflen, "%s", dlinfo.dli_sname);
}
if (offset != NULL) *offset = addr - (address)dlinfo.dli_saddr;
return true;
}
if (offset != NULL) *offset = addr - (address)dlinfo.dli_saddr;
return true;
} else if (dlinfo.dli_fname != NULL && dlinfo.dli_fbase != 0) {
if (Decoder::decode((address)(addr - (address)dlinfo.dli_fbase),
buf, buflen, offset, dlinfo.dli_fname)) {
return true;
// no matching symbol so try for just file info
if (dlinfo.dli_fname != NULL && dlinfo.dli_fbase != NULL) {
if (Decoder::decode((address)(addr - (address)dlinfo.dli_fbase),
buf, buflen, offset, dlinfo.dli_fname)) {
return true;
}
}
}
// Handle non-dymanic manually:
if (dlinfo.dli_fbase != NULL &&
Decoder::decode(addr, localbuf, MACH_MAXSYMLEN, offset, dlinfo.dli_fbase)) {
if(!Decoder::demangle(localbuf, buf, buflen)) {
jio_snprintf(buf, buflen, "%s", localbuf);
// Handle non-dynamic manually:
if (dlinfo.dli_fbase != NULL &&
Decoder::decode(addr, localbuf, MACH_MAXSYMLEN, offset,
dlinfo.dli_fbase)) {
if (!Decoder::demangle(localbuf, buf, buflen)) {
jio_snprintf(buf, buflen, "%s", localbuf);
}
return true;
}
return true;
}
if (buf != NULL) buf[0] = '\0';
buf[0] = '\0';
if (offset != NULL) *offset = -1;
return false;
}
......@@ -1287,17 +1293,24 @@ bool os::dll_address_to_function_name(address addr, char *buf,
// ported from solaris version
bool os::dll_address_to_library_name(address addr, char* buf,
int buflen, int* offset) {
// buf is not optional, but offset is optional
assert(buf != NULL, "sanity check");
Dl_info dlinfo;
if (dladdr((void*)addr, &dlinfo)){
if (buf) jio_snprintf(buf, buflen, "%s", dlinfo.dli_fname);
if (offset) *offset = addr - (address)dlinfo.dli_fbase;
return true;
} else {
if (buf) buf[0] = '\0';
if (offset) *offset = -1;
return false;
if (dladdr((void*)addr, &dlinfo) != 0) {
if (dlinfo.dli_fname != NULL) {
jio_snprintf(buf, buflen, "%s", dlinfo.dli_fname);
}
if (dlinfo.dli_fbase != NULL && offset != NULL) {
*offset = addr - (address)dlinfo.dli_fbase;
}
return true;
}
buf[0] = '\0';
if (offset) *offset = -1;
return false;
}
// Loads .dll/.so and
......@@ -1520,49 +1533,50 @@ static bool _print_ascii_file(const char* filename, outputStream* st) {
}
void os::print_dll_info(outputStream *st) {
st->print_cr("Dynamic libraries:");
st->print_cr("Dynamic libraries:");
#ifdef RTLD_DI_LINKMAP
Dl_info dli;
void *handle;
Link_map *map;
Link_map *p;
if (!dladdr(CAST_FROM_FN_PTR(void *, os::print_dll_info), &dli)) {
st->print_cr("Error: Cannot print dynamic libraries.");
return;
}
handle = dlopen(dli.dli_fname, RTLD_LAZY);
if (handle == NULL) {
st->print_cr("Error: Cannot print dynamic libraries.");
return;
}
dlinfo(handle, RTLD_DI_LINKMAP, &map);
if (map == NULL) {
st->print_cr("Error: Cannot print dynamic libraries.");
return;
}
Dl_info dli;
void *handle;
Link_map *map;
Link_map *p;
if (dladdr(CAST_FROM_FN_PTR(void *, os::print_dll_info), &dli) == 0 ||
dli.dli_fname == NULL) {
st->print_cr("Error: Cannot print dynamic libraries.");
return;
}
handle = dlopen(dli.dli_fname, RTLD_LAZY);
if (handle == NULL) {
st->print_cr("Error: Cannot print dynamic libraries.");
return;
}
dlinfo(handle, RTLD_DI_LINKMAP, &map);
if (map == NULL) {
st->print_cr("Error: Cannot print dynamic libraries.");
return;
}
while (map->l_prev != NULL)
map = map->l_prev;
while (map->l_prev != NULL)
map = map->l_prev;
while (map != NULL) {
st->print_cr(PTR_FORMAT " \t%s", map->l_addr, map->l_name);
map = map->l_next;
}
while (map != NULL) {
st->print_cr(PTR_FORMAT " \t%s", map->l_addr, map->l_name);
map = map->l_next;
}
dlclose(handle);
dlclose(handle);
#elif defined(__APPLE__)
uint32_t count;
uint32_t i;
count = _dyld_image_count();
for (i = 1; i < count; i++) {
const char *name = _dyld_get_image_name(i);
intptr_t slide = _dyld_get_image_vmaddr_slide(i);
st->print_cr(PTR_FORMAT " \t%s", slide, name);
}
uint32_t count;
uint32_t i;
count = _dyld_image_count();
for (i = 1; i < count; i++) {
const char *name = _dyld_get_image_name(i);
intptr_t slide = _dyld_get_image_vmaddr_slide(i);
st->print_cr(PTR_FORMAT " \t%s", slide, name);
}
#else
st->print_cr("Error: Cannot print dynamic libraries.");
st->print_cr("Error: Cannot print dynamic libraries.");
#endif
}
......@@ -1707,8 +1721,11 @@ void os::jvm_path(char *buf, jint buflen) {
bool ret = dll_address_to_library_name(
CAST_FROM_FN_PTR(address, os::jvm_path),
dli_fname, sizeof(dli_fname), NULL);
assert(ret != 0, "cannot locate libjvm");
char *rp = realpath(dli_fname, buf);
assert(ret, "cannot locate libjvm");
char *rp = NULL;
if (ret && dli_fname[0] != '\0') {
rp = realpath(dli_fname, buf);
}
if (rp == NULL)
return;
......@@ -3747,20 +3764,20 @@ int os::Bsd::safe_cond_timedwait(pthread_cond_t *_cond, pthread_mutex_t *_mutex,
bool os::find(address addr, outputStream* st) {
Dl_info dlinfo;
memset(&dlinfo, 0, sizeof(dlinfo));
if (dladdr(addr, &dlinfo)) {
if (dladdr(addr, &dlinfo) != 0) {
st->print(PTR_FORMAT ": ", addr);
if (dlinfo.dli_sname != NULL) {
if (dlinfo.dli_sname != NULL && dlinfo.dli_saddr != NULL) {
st->print("%s+%#x", dlinfo.dli_sname,
addr - (intptr_t)dlinfo.dli_saddr);
} else if (dlinfo.dli_fname) {
} else if (dlinfo.dli_fbase != NULL) {
st->print("<offset %#x>", addr - (intptr_t)dlinfo.dli_fbase);
} else {
st->print("<absolute address>");
}
if (dlinfo.dli_fname) {
if (dlinfo.dli_fname != NULL) {
st->print(" in %s", dlinfo.dli_fname);
}
if (dlinfo.dli_fbase) {
if (dlinfo.dli_fbase != NULL) {
st->print(" at " PTR_FORMAT, dlinfo.dli_fbase);
}
st->cr();
......@@ -3773,7 +3790,7 @@ bool os::find(address addr, outputStream* st) {
if (!lowest) lowest = (address) dlinfo.dli_fbase;
if (begin < lowest) begin = lowest;
Dl_info dlinfo2;
if (dladdr(end, &dlinfo2) && dlinfo2.dli_saddr != dlinfo.dli_saddr
if (dladdr(end, &dlinfo2) != 0 && dlinfo2.dli_saddr != dlinfo.dli_saddr
&& end > dlinfo2.dli_saddr && dlinfo2.dli_saddr > begin)
end = (address) dlinfo2.dli_saddr;
Disassembler::decode(begin, end, st);
......
src/os/linux/vm/os_linux.cpp
浏览文件 @ b7f6588d
......@@ -1682,12 +1682,13 @@ bool os::address_is_in_vm(address addr) {
Dl_info dlinfo;
if (libjvm_base_addr == NULL) {
dladdr(CAST_FROM_FN_PTR(void *, os::address_is_in_vm), &dlinfo);
libjvm_base_addr = (address)dlinfo.dli_fbase;
if (dladdr(CAST_FROM_FN_PTR(void *, os::address_is_in_vm), &dlinfo) != 0) {
libjvm_base_addr = (address)dlinfo.dli_fbase;
}
assert(libjvm_base_addr !=NULL, "Cannot obtain base address for libjvm");
}
if (dladdr((void *)addr, &dlinfo)) {
if (dladdr((void *)addr, &dlinfo) != 0) {
if (libjvm_base_addr == (address)dlinfo.dli_fbase) return true;
}
......@@ -1696,24 +1697,30 @@ bool os::address_is_in_vm(address addr) {
bool os::dll_address_to_function_name(address addr, char *buf,
int buflen, int *offset) {
// buf is not optional, but offset is optional
assert(buf != NULL, "sanity check");
Dl_info dlinfo;
if (dladdr((void*)addr, &dlinfo) && dlinfo.dli_sname != NULL) {
if (buf != NULL) {
if(!Decoder::demangle(dlinfo.dli_sname, buf, buflen)) {
if (dladdr((void*)addr, &dlinfo) != 0) {
// see if we have a matching symbol
if (dlinfo.dli_saddr != NULL && dlinfo.dli_sname != NULL) {
if (!Decoder::demangle(dlinfo.dli_sname, buf, buflen)) {
jio_snprintf(buf, buflen, "%s", dlinfo.dli_sname);
}
if (offset != NULL) *offset = addr - (address)dlinfo.dli_saddr;
return true;
}
if (offset != NULL) *offset = addr - (address)dlinfo.dli_saddr;
return true;
} else if (dlinfo.dli_fname != NULL && dlinfo.dli_fbase != 0) {
if (Decoder::decode((address)(addr - (address)dlinfo.dli_fbase),
buf, buflen, offset, dlinfo.dli_fname)) {
return true;
// no matching symbol so try for just file info
if (dlinfo.dli_fname != NULL && dlinfo.dli_fbase != NULL) {
if (Decoder::decode((address)(addr - (address)dlinfo.dli_fbase),
buf, buflen, offset, dlinfo.dli_fname)) {
return true;
}
}
}
if (buf != NULL) buf[0] = '\0';
buf[0] = '\0';
if (offset != NULL) *offset = -1;
return false;
}
......@@ -1764,6 +1771,9 @@ static int address_to_library_name_callback(struct dl_phdr_info *info,
bool os::dll_address_to_library_name(address addr, char* buf,
int buflen, int* offset) {
// buf is not optional, but offset is optional
assert(buf != NULL, "sanity check");
Dl_info dlinfo;
struct _address_to_library_name data;
......@@ -1782,15 +1792,20 @@ bool os::dll_address_to_library_name(address addr, char* buf,
// buf already contains library name
if (offset) *offset = addr - data.base;
return true;
} else if (dladdr((void*)addr, &dlinfo)){
if (buf) jio_snprintf(buf, buflen, "%s", dlinfo.dli_fname);
if (offset) *offset = addr - (address)dlinfo.dli_fbase;
return true;
} else {
if (buf) buf[0] = '\0';
if (offset) *offset = -1;
return false;
}
if (dladdr((void*)addr, &dlinfo) != 0) {
if (dlinfo.dli_fname != NULL) {
jio_snprintf(buf, buflen, "%s", dlinfo.dli_fname);
}
if (dlinfo.dli_fbase != NULL && offset != NULL) {
*offset = addr - (address)dlinfo.dli_fbase;
}
return true;
}
buf[0] = '\0';
if (offset) *offset = -1;
return false;
}
// Loads .dll/.so and
......@@ -2317,8 +2332,11 @@ void os::jvm_path(char *buf, jint buflen) {
bool ret = dll_address_to_library_name(
CAST_FROM_FN_PTR(address, os::jvm_path),
dli_fname, sizeof(dli_fname), NULL);
assert(ret != 0, "cannot locate libjvm");
char *rp = realpath(dli_fname, buf);
assert(ret, "cannot locate libjvm");
char *rp = NULL;
if (ret && dli_fname[0] != '\0') {
rp = realpath(dli_fname, buf);
}
if (rp == NULL)
return;
......@@ -4730,20 +4748,20 @@ int os::Linux::safe_cond_timedwait(pthread_cond_t *_cond, pthread_mutex_t *_mute
bool os::find(address addr, outputStream* st) {
Dl_info dlinfo;
memset(&dlinfo, 0, sizeof(dlinfo));
if (dladdr(addr, &dlinfo)) {
if (dladdr(addr, &dlinfo) != 0) {
st->print(PTR_FORMAT ": ", addr);
if (dlinfo.dli_sname != NULL) {
if (dlinfo.dli_sname != NULL && dlinfo.dli_saddr != NULL) {
st->print("%s+%#x", dlinfo.dli_sname,
addr - (intptr_t)dlinfo.dli_saddr);
} else if (dlinfo.dli_fname) {
} else if (dlinfo.dli_fbase != NULL) {
st->print("<offset %#x>", addr - (intptr_t)dlinfo.dli_fbase);
} else {
st->print("<absolute address>");
}
if (dlinfo.dli_fname) {
if (dlinfo.dli_fname != NULL) {
st->print(" in %s", dlinfo.dli_fname);
}
if (dlinfo.dli_fbase) {
if (dlinfo.dli_fbase != NULL) {
st->print(" at " PTR_FORMAT, dlinfo.dli_fbase);
}
st->cr();
......@@ -4756,7 +4774,7 @@ bool os::find(address addr, outputStream* st) {
if (!lowest) lowest = (address) dlinfo.dli_fbase;
if (begin < lowest) begin = lowest;
Dl_info dlinfo2;
if (dladdr(end, &dlinfo2) && dlinfo2.dli_saddr != dlinfo.dli_saddr
if (dladdr(end, &dlinfo2) != 0 && dlinfo2.dli_saddr != dlinfo.dli_saddr
&& end > dlinfo2.dli_saddr && dlinfo2.dli_saddr > begin)
end = (address) dlinfo2.dli_saddr;
Disassembler::decode(begin, end, st);
......
src/os/solaris/vm/os_solaris.cpp
浏览文件 @ b7f6588d
......@@ -1924,12 +1924,13 @@ bool os::address_is_in_vm(address addr) {
Dl_info dlinfo;
if (libjvm_base_addr == NULL) {
dladdr(CAST_FROM_FN_PTR(void *, os::address_is_in_vm), &dlinfo);
libjvm_base_addr = (address)dlinfo.dli_fbase;
if (dladdr(CAST_FROM_FN_PTR(void *, os::address_is_in_vm), &dlinfo) != 0) {
libjvm_base_addr = (address)dlinfo.dli_fbase;
}
assert(libjvm_base_addr !=NULL, "Cannot obtain base address for libjvm");
}
if (dladdr((void *)addr, &dlinfo)) {
if (dladdr((void *)addr, &dlinfo) != 0) {
if (libjvm_base_addr == (address)dlinfo.dli_fbase) return true;
}
......@@ -1941,114 +1942,133 @@ static dladdr1_func_type dladdr1_func = NULL;
bool os::dll_address_to_function_name(address addr, char *buf,
int buflen, int * offset) {
// buf is not optional, but offset is optional
assert(buf != NULL, "sanity check");
Dl_info dlinfo;
// dladdr1_func was initialized in os::init()
if (dladdr1_func){
// yes, we have dladdr1
// Support for dladdr1 is checked at runtime; it may be
// available even if the vm is built on a machine that does
// not have dladdr1 support. Make sure there is a value for
// RTLD_DL_SYMENT.
#ifndef RTLD_DL_SYMENT
#define RTLD_DL_SYMENT 1
#endif
if (dladdr1_func != NULL) {
// yes, we have dladdr1
// Support for dladdr1 is checked at runtime; it may be
// available even if the vm is built on a machine that does
// not have dladdr1 support. Make sure there is a value for
// RTLD_DL_SYMENT.
#ifndef RTLD_DL_SYMENT
#define RTLD_DL_SYMENT 1
#endif
#ifdef _LP64
Elf64_Sym * info;
Elf64_Sym * info;
#else
Elf32_Sym * info;
Elf32_Sym * info;
#endif
if (dladdr1_func((void *)addr, &dlinfo, (void **)&info,
RTLD_DL_SYMENT)) {
if ((char *)dlinfo.dli_saddr + info->st_size > (char *)addr) {
if (buf != NULL) {
if (!Decoder::demangle(dlinfo.dli_sname, buf, buflen))
jio_snprintf(buf, buflen, "%s", dlinfo.dli_sname);
}
if (offset != NULL) *offset = addr - (address)dlinfo.dli_saddr;
return true;
if (dladdr1_func((void *)addr, &dlinfo, (void **)&info,
RTLD_DL_SYMENT) != 0) {
// see if we have a matching symbol that covers our address
if (dlinfo.dli_saddr != NULL &&
(char *)dlinfo.dli_saddr + info->st_size > (char *)addr) {
if (dlinfo.dli_sname != NULL) {
if (!Decoder::demangle(dlinfo.dli_sname, buf, buflen)) {
jio_snprintf(buf, buflen, "%s", dlinfo.dli_sname);
}
if (offset != NULL) *offset = addr - (address)dlinfo.dli_saddr;
return true;
}
}
if (dlinfo.dli_fname != NULL && dlinfo.dli_fbase != 0) {
// no matching symbol so try for just file info
if (dlinfo.dli_fname != NULL && dlinfo.dli_fbase != NULL) {
if (Decoder::decode((address)(addr - (address)dlinfo.dli_fbase),
buf, buflen, offset, dlinfo.dli_fname)) {
buf, buflen, offset, dlinfo.dli_fname)) {
return true;
}
}
if (buf != NULL) buf[0] = '\0';
if (offset != NULL) *offset = -1;
return false;
} else {
// no, only dladdr is available
if (dladdr((void *)addr, &dlinfo)) {
if (buf != NULL) {
if (!Decoder::demangle(dlinfo.dli_sname, buf, buflen))
jio_snprintf(buf, buflen, dlinfo.dli_sname);
}
if (offset != NULL) *offset = addr - (address)dlinfo.dli_saddr;
}
buf[0] = '\0';
if (offset != NULL) *offset = -1;
return false;
}
// no, only dladdr is available
if (dladdr((void *)addr, &dlinfo) != 0) {
// see if we have a matching symbol
if (dlinfo.dli_saddr != NULL && dlinfo.dli_sname != NULL) {
if (!Decoder::demangle(dlinfo.dli_sname, buf, buflen)) {
jio_snprintf(buf, buflen, dlinfo.dli_sname);
}
if (offset != NULL) *offset = addr - (address)dlinfo.dli_saddr;
return true;
}
// no matching symbol so try for just file info
if (dlinfo.dli_fname != NULL && dlinfo.dli_fbase != NULL) {
if (Decoder::decode((address)(addr - (address)dlinfo.dli_fbase),
buf, buflen, offset, dlinfo.dli_fname)) {
return true;
} else if (dlinfo.dli_fname != NULL && dlinfo.dli_fbase != 0) {
if (Decoder::decode((address)(addr - (address)dlinfo.dli_fbase),
buf, buflen, offset, dlinfo.dli_fname)) {
return true;
}
}
if (buf != NULL) buf[0] = '\0';
if (offset != NULL) *offset = -1;
return false;
}
}
buf[0] = '\0';
if (offset != NULL) *offset = -1;
return false;
}
bool os::dll_address_to_library_name(address addr, char* buf,
int buflen, int* offset) {
// buf is not optional, but offset is optional
assert(buf != NULL, "sanity check");
Dl_info dlinfo;
if (dladdr((void*)addr, &dlinfo)){
if (buf) jio_snprintf(buf, buflen, "%s", dlinfo.dli_fname);
if (offset) *offset = addr - (address)dlinfo.dli_fbase;
return true;
} else {
if (buf) buf[0] = '\0';
if (offset) *offset = -1;
return false;
if (dladdr((void*)addr, &dlinfo) != 0) {
if (dlinfo.dli_fname != NULL) {
jio_snprintf(buf, buflen, "%s", dlinfo.dli_fname);
}
if (dlinfo.dli_fbase != NULL && offset != NULL) {
*offset = addr - (address)dlinfo.dli_fbase;
}
return true;
}
buf[0] = '\0';
if (offset) *offset = -1;
return false;
}
// Prints the names and full paths of all opened dynamic libraries
// for current process
void os::print_dll_info(outputStream * st) {
Dl_info dli;
void *handle;
Link_map *map;
Link_map *p;
Dl_info dli;
void *handle;
Link_map *map;
Link_map *p;
st->print_cr("Dynamic libraries:"); st->flush();
st->print_cr("Dynamic libraries:"); st->flush();
if (!dladdr(CAST_FROM_FN_PTR(void *, os::print_dll_info), &dli)) {
st->print_cr("Error: Cannot print dynamic libraries.");
return;
}
handle = dlopen(dli.dli_fname, RTLD_LAZY);
if (handle == NULL) {
st->print_cr("Error: Cannot print dynamic libraries.");
return;
}
dlinfo(handle, RTLD_DI_LINKMAP, &map);
if (map == NULL) {
st->print_cr("Error: Cannot print dynamic libraries.");
return;
}
if (dladdr(CAST_FROM_FN_PTR(void *, os::print_dll_info), &dli) == 0 ||
dli.dli_fname == NULL) {
st->print_cr("Error: Cannot print dynamic libraries.");
return;
}
handle = dlopen(dli.dli_fname, RTLD_LAZY);
if (handle == NULL) {
st->print_cr("Error: Cannot print dynamic libraries.");
return;
}
dlinfo(handle, RTLD_DI_LINKMAP, &map);
if (map == NULL) {
st->print_cr("Error: Cannot print dynamic libraries.");
return;
}
while (map->l_prev != NULL)
map = map->l_prev;
while (map->l_prev != NULL)
map = map->l_prev;
while (map != NULL) {
st->print_cr(PTR_FORMAT " \t%s", map->l_addr, map->l_name);
map = map->l_next;
}
while (map != NULL) {
st->print_cr(PTR_FORMAT " \t%s", map->l_addr, map->l_name);
map = map->l_next;
}
dlclose(handle);
dlclose(handle);
}
// Loads .dll/.so and
......@@ -2475,7 +2495,12 @@ void os::jvm_path(char *buf, jint buflen) {
Dl_info dlinfo;
int ret = dladdr(CAST_FROM_FN_PTR(void *, os::jvm_path), &dlinfo);
assert(ret != 0, "cannot locate libjvm");
realpath((char *)dlinfo.dli_fname, buf);
if (ret != 0 && dlinfo.dli_fname != NULL) {
realpath((char *)dlinfo.dli_fname, buf);
} else {
buf[0] = '\0';
return;
}
if (Arguments::created_by_gamma_launcher()) {
// Support for the gamma launcher. Typical value for buf is
......@@ -6077,24 +6102,20 @@ int os::loadavg(double loadavg[], int nelem) {
bool os::find(address addr, outputStream* st) {
Dl_info dlinfo;
memset(&dlinfo, 0, sizeof(dlinfo));
if (dladdr(addr, &dlinfo)) {
#ifdef _LP64
st->print("0x%016lx: ", addr);
#else
st->print("0x%08x: ", addr);
#endif
if (dlinfo.dli_sname != NULL)
if (dladdr(addr, &dlinfo) != 0) {
st->print(PTR_FORMAT ": ", addr);
if (dlinfo.dli_sname != NULL && dlinfo.dli_saddr != NULL) {
st->print("%s+%#lx", dlinfo.dli_sname, addr-(intptr_t)dlinfo.dli_saddr);
else if (dlinfo.dli_fname)
} else if (dlinfo.dli_fbase != NULL)
st->print("<offset %#lx>", addr-(intptr_t)dlinfo.dli_fbase);
else
st->print("<absolute address>");
if (dlinfo.dli_fname) st->print(" in %s", dlinfo.dli_fname);
#ifdef _LP64
if (dlinfo.dli_fbase) st->print(" at 0x%016lx", dlinfo.dli_fbase);
#else
if (dlinfo.dli_fbase) st->print(" at 0x%08x", dlinfo.dli_fbase);
#endif
if (dlinfo.dli_fname != NULL) {
st->print(" in %s", dlinfo.dli_fname);
}
if (dlinfo.dli_fbase != NULL) {
st->print(" at " PTR_FORMAT, dlinfo.dli_fbase);
}
st->cr();
if (Verbose) {
......@@ -6105,7 +6126,7 @@ bool os::find(address addr, outputStream* st) {
if (!lowest) lowest = (address) dlinfo.dli_fbase;
if (begin < lowest) begin = lowest;
Dl_info dlinfo2;
if (dladdr(end, &dlinfo2) && dlinfo2.dli_saddr != dlinfo.dli_saddr
if (dladdr(end, &dlinfo2) != 0 && dlinfo2.dli_saddr != dlinfo.dli_saddr
&& end > dlinfo2.dli_saddr && dlinfo2.dli_saddr > begin)
end = (address) dlinfo2.dli_saddr;
Disassembler::decode(begin, end, st);
......
src/os/windows/vm/os_windows.cpp
浏览文件 @ b7f6588d
......@@ -1420,34 +1420,40 @@ static int _locate_module_by_addr(int pid, char * mod_fname, address base_addr,
bool os::dll_address_to_library_name(address addr, char* buf,
int buflen, int* offset) {
// buf is not optional, but offset is optional
assert(buf != NULL, "sanity check");
// NOTE: the reason we don't use SymGetModuleInfo() is it doesn't always
// return the full path to the DLL file, sometimes it returns path
// to the corresponding PDB file (debug info); sometimes it only
// returns partial path, which makes life painful.
struct _modinfo mi;
mi.addr = addr;
mi.full_path = buf;
mi.buflen = buflen;
int pid = os::current_process_id();
if (enumerate_modules(pid, _locate_module_by_addr, (void *)&mi)) {
// buf already contains path name
if (offset) *offset = addr - mi.base_addr;
return true;
} else {
if (buf) buf[0] = '\0';
if (offset) *offset = -1;
return false;
}
struct _modinfo mi;
mi.addr = addr;
mi.full_path = buf;
mi.buflen = buflen;
int pid = os::current_process_id();
if (enumerate_modules(pid, _locate_module_by_addr, (void *)&mi)) {
// buf already contains path name
if (offset) *offset = addr - mi.base_addr;
return true;
}
buf[0] = '\0';
if (offset) *offset = -1;
return false;
}
bool os::dll_address_to_function_name(address addr, char *buf,
int buflen, int *offset) {
// buf is not optional, but offset is optional
assert(buf != NULL, "sanity check");
if (Decoder::decode(addr, buf, buflen, offset)) {
return true;
}
if (offset != NULL) *offset = -1;
if (buf != NULL) buf[0] = '\0';
buf[0] = '\0';
return false;
}
......@@ -2689,6 +2695,19 @@ address os::win32::fast_jni_accessor_wrapper(BasicType type) {
}
#endif
#ifndef PRODUCT
void os::win32::call_test_func_with_wrapper(void (*funcPtr)(void)) {
// Install a win32 structured exception handler around the test
// function call so the VM can generate an error dump if needed.
__try {
(*funcPtr)();
} __except(topLevelExceptionFilter(
(_EXCEPTION_POINTERS*)_exception_info())) {
// Nothing to do.
}
}
#endif
// Virtual Memory
int os::vm_page_size() { return os::win32::vm_page_size(); }
......
src/os/windows/vm/os_windows.hpp
浏览文件 @ b7f6588d
/*
* Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
......@@ -94,6 +94,10 @@ class win32 {
static address fast_jni_accessor_wrapper(BasicType);
#endif
#ifndef PRODUCT
static void call_test_func_with_wrapper(void (*funcPtr)(void));
#endif
// filter function to ignore faults on serializations page
static LONG WINAPI serialize_fault_filter(struct _EXCEPTION_POINTERS* e);
};
......
src/os/windows/vm/os_windows.inline.hpp
浏览文件 @ b7f6588d
......@@ -106,4 +106,10 @@ inline size_t os::write(int fd, const void *buf, unsigned int nBytes) {
inline int os::close(int fd) {
return ::close(fd);
}
#ifndef PRODUCT
#define CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(f) \
os::win32::call_test_func_with_wrapper(f)
#endif
#endif // OS_WINDOWS_VM_OS_WINDOWS_INLINE_HPP
src/share/vm/prims/jni.cpp
浏览文件 @ b7f6588d
......@@ -5097,7 +5097,7 @@ _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, v
// function used to determine this will always return false. Atomic::xchg
// does not have this problem.
if (Atomic::xchg(1, &vm_created) == 1) {
return JNI_ERR; // already created, or create attempt in progress
return JNI_EEXIST; // already created, or create attempt in progress
}
if (Atomic::xchg(0, &safe_to_recreate_vm) == 0) {
return JNI_ERR; // someone tried and failed and retry not allowed.
......@@ -5138,9 +5138,21 @@ _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, v
event.commit();
}
#ifndef PRODUCT
#ifndef TARGET_OS_FAMILY_windows
#define CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(f) f()
#endif
// Check if we should compile all classes on bootclasspath
NOT_PRODUCT(if (CompileTheWorld) ClassLoader::compile_the_world();)
NOT_PRODUCT(if (ReplayCompiles) ciReplay::replay(thread);)
if (CompileTheWorld) ClassLoader::compile_the_world();
if (ReplayCompiles) ciReplay::replay(thread);
// Some platforms (like Win*) need a wrapper around these test
// functions in order to properly handle error conditions.
CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(test_error_handler);
CALL_TEST_FUNC_WITH_WRAPPER_IF_NEEDED(execute_internal_vm_tests);
#endif
// Since this is not a JVM_ENTRY we have to set the thread state manually before leaving.
ThreadStateTransition::transition_and_fence(thread, _thread_in_vm, _thread_in_native);
} else {
......@@ -5157,8 +5169,6 @@ _JNI_IMPORT_OR_EXPORT_ jint JNICALL JNI_CreateJavaVM(JavaVM **vm, void **penv, v
OrderAccess::release_store(&vm_created, 0);
}
NOT_PRODUCT(test_error_handler(ErrorHandlerTest));
NOT_PRODUCT(execute_internal_vm_tests());
return result;
}
......
src/share/vm/runtime/os.hpp
浏览文件 @ b7f6588d
......@@ -507,16 +507,16 @@ class os: AllStatic {
// Symbol lookup, find nearest function name; basically it implements
// dladdr() for all platforms. Name of the nearest function is copied
// to buf. Distance from its base address is returned as offset.
// to buf. Distance from its base address is optionally returned as offset.
// If function name is not found, buf[0] is set to '\0' and offset is
// set to -1.
// set to -1 (if offset is non-NULL).
static bool dll_address_to_function_name(address addr, char* buf,
int buflen, int* offset);
// Locate DLL/DSO. On success, full path of the library is copied to
// buf, and offset is set to be the distance between addr and the
// library's base address. On failure, buf[0] is set to '\0' and
// offset is set to -1.
// buf, and offset is optionally set to be the distance between addr
// and the library's base address. On failure, buf[0] is set to '\0'
// and offset is set to -1 (if offset is non-NULL).
static bool dll_address_to_library_name(address addr, char* buf,
int buflen, int* offset);
......
src/share/vm/services/memTracker.hpp
浏览文件 @ b7f6588d
......@@ -470,7 +470,21 @@ class MemTracker : AllStatic {
static void check_NMT_load(Thread* thr) {
assert(thr != NULL, "Sanity check");
if (_slowdown_calling_thread && thr != _worker_thread) {
#ifdef _WINDOWS
// On Windows, os::NakedYield() does not work as well
// as os::yield_all()
os::yield_all();
#else
// On Solaris, os::yield_all() depends on os::sleep()
// which requires JavaTherad in _thread_in_vm state.
// Transits thread to _thread_in_vm state can be dangerous
// if caller holds lock, as it may deadlock with Threads_lock.
// So use NaKedYield instead.
//
// Linux and BSD, NakedYield() and yield_all() implementations
// are the same.
os::NakedYield();
#endif
}
}
......
src/share/vm/utilities/debug.cpp
浏览文件 @ b7f6588d
......@@ -314,8 +314,8 @@ bool is_error_reported() {
#ifndef PRODUCT
#include <signal.h>
void test_error_handler(size_t test_num)
{
void test_error_handler() {
uintx test_num = ErrorHandlerTest;
if (test_num == 0) return;
// If asserts are disabled, use the corresponding guarantee instead.
......@@ -327,6 +327,8 @@ void test_error_handler(size_t test_num)
const char* const eol = os::line_separator();
const char* const msg = "this message should be truncated during formatting";
char * const dataPtr = NULL; // bad data pointer
const void (*funcPtr)(void) = (const void(*)()) 0xF; // bad function pointer
// Keep this in sync with test/runtime/6888954/vmerrors.sh.
switch (n) {
......@@ -348,11 +350,16 @@ void test_error_handler(size_t test_num)
case 9: ShouldNotCallThis();
case 10: ShouldNotReachHere();
case 11: Unimplemented();
// This is last because it does not generate an hs_err* file on Windows.
case 12: os::signal_raise(SIGSEGV);
default: ShouldNotReachHere();
// There's no guarantee the bad data pointer will crash us
// so "break" out to the ShouldNotReachHere().
case 12: *dataPtr = '\0'; break;
// There's no guarantee the bad function pointer will crash us
// so "break" out to the ShouldNotReachHere().
case 13: (*funcPtr)(); break;
default: tty->print_cr("ERROR: %d: unexpected test_num value.", n);
}
ShouldNotReachHere();
}
#endif // !PRODUCT
......
src/share/vm/utilities/debug.hpp
浏览文件 @ b7f6588d
/*
* Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
......@@ -243,7 +243,7 @@ bool is_error_reported();
void set_error_reported();
/* Test assert(), fatal(), guarantee(), etc. */
NOT_PRODUCT(void test_error_handler(size_t test_num);)
NOT_PRODUCT(void test_error_handler();)
void pd_ps(frame f);
void pd_obfuscate_location(char *buf, size_t buflen);
......
src/share/vm/utilities/vmError.cpp
浏览文件 @ b7f6588d
......@@ -908,10 +908,11 @@ void VMError::report_and_die() {
// This is not the first error, see if it happened in a different thread
// or in the same thread during error reporting.
if (first_error_tid != mytid) {
jio_snprintf(buffer, sizeof(buffer),
char msgbuf[64];
jio_snprintf(msgbuf, sizeof(msgbuf),
"[thread " INT64_FORMAT " also had an error]",
mytid);
out.print_raw_cr(buffer);
out.print_raw_cr(msgbuf);
// error reporting is not MT-safe, block current thread
os::infinite_sleep();
......
test/runtime/6888954/vmerrors.sh
浏览文件 @ b7f6588d
# @test
# @bug 6888954
# @bug 8015884
# @summary exercise HotSpot error handling code
# @author John Coomes
# @run shell vmerrors.sh
......@@ -27,9 +28,24 @@ i=1
rc=0
assert_re='(assert|guarantee)[(](str|num).*failed: *'
# for bad_data_ptr_re:
# EXCEPTION_ACCESS_VIOLATION - Win-*
# SIGILL - MacOS X
# SIGSEGV - Linux-*, Solaris SPARC-*, Solaris X86-*
#
bad_data_ptr_re='(SIGILL|SIGSEGV|EXCEPTION_ACCESS_VIOLATION).* at pc='
#
# for bad_func_ptr_re:
# EXCEPTION_ACCESS_VIOLATION - Win-*
# SIGBUS - Solaris SPARC-64
# SIGSEGV - Linux-*, Solaris SPARC-32, Solaris X86-*
#
# Note: would like to use "pc=0x00*0f," in the pattern, but Solaris SPARC-*
# gets its signal at a PC in test_error_handler().
#
bad_func_ptr_re='(SIGBUS|SIGSEGV|EXCEPTION_ACCESS_VIOLATION).* at pc='
guarantee_re='guarantee[(](str|num).*failed: *'
fatal_re='fatal error: *'
signal_re='(SIGSEGV|EXCEPTION_ACCESS_VIOLATION).* at pc='
tail_1='.*expected null'
tail_2='.*num='
......@@ -39,8 +55,9 @@ for re in \
"${fatal_re}${tail_1}" "${fatal_re}${tail_2}" \
"${fatal_re}.*truncated" "ChunkPool::allocate" \
"ShouldNotCall" "ShouldNotReachHere" \
"Unimplemented" "$signal_re"
"Unimplemented" "$bad_data_ptr_re" \
"$bad_func_ptr_re"
do
i2=$i
[ $i -lt 10 ] && i2=0$i
......
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