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8079473: allow demangling to be optional in dll_address_to_function_name

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Add a demangling boolean argument to dll_address_to_function_name and decode

Reviewed-by: dholmes, simonis
This commit is contained in:
Bertrand Delsart 2015-06-16 11:58:25 +02:00
parent e720ad23ac
commit a6a13b5344
16 changed files with 70 additions and 52 deletions
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11
hotspot/src/os/solaris/vm/os_solaris.cpp
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@ -1627,7 +1627,8 @@ typedef int (*dladdr1_func_type)(void *, Dl_info *, void **, int);
static dladdr1_func_type dladdr1_func = NULL;
bool os::dll_address_to_function_name(address addr, char *buf,
int buflen, int * offset) {
int buflen, int * offset,
bool demangle) {
// buf is not optional, but offset is optional
assert(buf != NULL, "sanity check");
@ -1655,7 +1656,7 @@ bool os::dll_address_to_function_name(address addr, char *buf,
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)) {
if (!(demangle && Decoder::demangle(dlinfo.dli_sname, buf, buflen))) {
jio_snprintf(buf, buflen, "%s", dlinfo.dli_sname);
}
if (offset != NULL) *offset = addr - (address)dlinfo.dli_saddr;
@ -1665,7 +1666,7 @@ bool os::dll_address_to_function_name(address addr, char *buf,
// 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, demangle)) {
return true;
}
}
@ -1679,7 +1680,7 @@ bool os::dll_address_to_function_name(address addr, char *buf,
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)) {
if (!(demangle && Decoder::demangle(dlinfo.dli_sname, buf, buflen))) {
jio_snprintf(buf, buflen, dlinfo.dli_sname);
}
if (offset != NULL) *offset = addr - (address)dlinfo.dli_saddr;
@ -1688,7 +1689,7 @@ bool os::dll_address_to_function_name(address addr, char *buf,
// 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, demangle)) {
return true;
}
}