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comparison src/os/linux/vm/os_linux.cpp @ 2022:2d4762ec74af

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7003748: Decode C stack frames when symbols are presented (PhoneHome project) Summary: Implemented in-process C native stack frame decoding when symbols are available. Reviewed-by: coleenp, never
author zgu
date Sat, 11 Dec 2010 13:20:56 -0500
parents f95d63e2154a
children 54f5dd2aa1d9
comparison
equal deleted inserted replaced
1972:f95d63e2154a 2022:2d4762ec74af
58 #include "runtime/threadCritical.hpp" 58 #include "runtime/threadCritical.hpp"
59 #include "runtime/timer.hpp" 59 #include "runtime/timer.hpp"
60 #include "services/attachListener.hpp" 60 #include "services/attachListener.hpp"
61 #include "services/runtimeService.hpp" 61 #include "services/runtimeService.hpp"
62 #include "thread_linux.inline.hpp" 62 #include "thread_linux.inline.hpp"
63 #include "utilities/decoder.hpp"
63 #include "utilities/defaultStream.hpp" 64 #include "utilities/defaultStream.hpp"
64 #include "utilities/events.hpp" 65 #include "utilities/events.hpp"
65 #include "utilities/growableArray.hpp" 66 #include "utilities/growableArray.hpp"
66 #include "utilities/vmError.hpp" 67 #include "utilities/vmError.hpp"
67 #ifdef TARGET_ARCH_x86 68 #ifdef TARGET_ARCH_x86
1669 bool os::dll_address_to_function_name(address addr, char *buf, 1670 bool os::dll_address_to_function_name(address addr, char *buf,
1670 int buflen, int *offset) { 1671 int buflen, int *offset) {
1671 Dl_info dlinfo; 1672 Dl_info dlinfo;
1672 1673
1673 if (dladdr((void*)addr, &dlinfo) && dlinfo.dli_sname != NULL) { 1674 if (dladdr((void*)addr, &dlinfo) && dlinfo.dli_sname != NULL) {
1674 if (buf) jio_snprintf(buf, buflen, "%s", dlinfo.dli_sname); 1675 if (buf != NULL) {
1675 if (offset) *offset = addr - (address)dlinfo.dli_saddr; 1676 if(!Decoder::demangle(dlinfo.dli_sname, buf, buflen)) {
1677 jio_snprintf(buf, buflen, "%s", dlinfo.dli_sname);
1678 }
1679 }
1680 if (offset != NULL) *offset = addr - (address)dlinfo.dli_saddr;
1676 return true; 1681 return true;
1677 } else { 1682 } else if (dlinfo.dli_fname != NULL && dlinfo.dli_fbase != 0) {
1678 if (buf) buf[0] = '\0'; 1683 if (Decoder::decode((address)(addr - (address)dlinfo.dli_fbase),
1679 if (offset) *offset = -1; 1684 dlinfo.dli_fname, buf, buflen, offset) == Decoder::no_error) {
1680 return false; 1685 return true;
1681 } 1686 }
1687 }
1688
1689 if (buf != NULL) buf[0] = '\0';
1690 if (offset != NULL) *offset = -1;
1691 return false;
1682 } 1692 }
1683 1693
1684 struct _address_to_library_name { 1694 struct _address_to_library_name {
1685 address addr; // input : memory address 1695 address addr; // input : memory address
1686 size_t buflen; // size of fname 1696 size_t buflen; // size of fname