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| author | Ulf Hermann <ulf.hermann@theqtcompany.com> | 2015-02-03 13:56:01 +0100 |
|---|---|---|
| committer | Ulf Hermann <ulf.hermann@theqtcompany.com> | 2015-02-16 18:04:25 +0200 |
| commit | a85031f07273fa1e7e4cc77fd2470fd4bf3f6c1d (patch) | |
| tree | c7371d5f038da2c2f02de78c0e21c55a12e0abc1 | |
| parent | f0d8bc1fbea7c29e8fdabac29faf50a58531336c (diff) | |
Use libdw's recommendation to retrieve symbol information
Change-Id: I88e3db81f0d9b888b7e025f3c00d1cfdaab19b68
Reviewed-by: Joerg Bornemann <joerg.bornemann@theqtcompany.com>
| -rw-r--r-- | perfunwind.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/perfunwind.cpp b/perfunwind.cpp index 682ae88..4af25a6 100644 --- a/perfunwind.cpp +++ b/perfunwind.cpp @@ -208,13 +208,16 @@ static PerfUnwind::Frame lookupSymbol(const PerfUnwind *unwind, Dwfl *dwfl, Dwar const char *filename = NULL; GElf_Sym sym; + GElf_Off off; if (mod) { - symname = dwfl_module_addrsym (mod, ip, &sym, 0); + symname = dwfl_module_addrinfo (mod, ip, &off, &sym, 0, 0, 0); filename = dwfl_module_info(mod, 0, 0, 0, 0, 0, 0, 0); } if (symname) demangled = bfd_demangle(NULL, symname, 0x3); + else + qWarning() << "no symbol found for" << ip << "in" << filename; return PerfUnwind::Frame(symname ? sym.st_value : ip, demangled ? demangled : symname, filename); } |