archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-26 06:14:49 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

7003748: Decode C stack frames when symbols are presented (PhoneHome project)

Browse source 
Implemented in-process C native stack frame decoding when symbols are available.

Reviewed-by: coleenp, never
This commit is contained in:
Zhengyu Gu 2010-12-11 13:20:56 -05:00
parent 8006fe8f75
commit 61a4658b22
17 changed files with 1177 additions and 34 deletions
Download patch file Download diff file Expand all files Collapse all files

48
hotspot/src/os/solaris/vm/os_solaris.cpp
View file

@ -58,6 +58,7 @@
#include "services/attachListener.hpp"
#include "services/runtimeService.hpp"
#include "thread_solaris.inline.hpp"
#include "utilities/decoder.hpp"
#include "utilities/defaultStream.hpp"
#include "utilities/events.hpp"
#include "utilities/growableArray.hpp"
@ -1967,27 +1968,42 @@ bool os::dll_address_to_function_name(address addr, char *buf,
Sym * info;
if (dladdr1_func((void *)addr, &dlinfo, (void **)&info,
RTLD_DL_SYMENT)) {
if (buf) jio_snprintf(buf, buflen, "%s", dlinfo.dli_sname);
if (offset) *offset = addr - (address)dlinfo.dli_saddr;
// check if the returned symbol really covers addr
return ((char *)dlinfo.dli_saddr + info->st_size > (char *)addr);
} else {
if (buf) buf[0] = '\0';
if (offset) *offset = -1;
return false;
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 (dlinfo.dli_fname != NULL && dlinfo.dli_fbase != 0) {
if (Decoder::decode((address)(addr - (address)dlinfo.dli_fbase),
dlinfo.dli_fname, buf, buflen, offset) == Decoder::no_error) {
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) jio_snprintf(buf, buflen, dlinfo.dli_sname);
if (offset) *offset = addr - (address)dlinfo.dli_saddr;
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;
return true;
} else if (dlinfo.dli_fname != NULL && dlinfo.dli_fbase != 0) {
if (Decoder::decode((address)(addr - (address)dlinfo.dli_fbase),
dlinfo.dli_fname, buf, buflen, offset) == Decoder::no_error) {
return true;
} else {
if (buf) buf[0] = '\0';
if (offset) *offset = -1;
return false;
}
}
if (buf != NULL) buf[0] = '\0';
if (offset != NULL) *offset = -1;
return false;
}
}