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| author | Cary Coutant <ccoutant@google.com> | 2013-10-11 14:12:16 -0700 |
|---|---|---|
| committer | Cary Coutant <ccoutant@google.com> | 2013-11-14 10:33:36 -0800 |
| commit | 7cdd7d57e6fa3932eb63aa785ae0e3fa837aab20 (patch) | |
| tree | 4e130cceefd5f2295ed39b574a4d43bea1567f23 /gold/ehframe.cc | |
| parent | 918229560ce9db307532592047066eac0674190d (diff) | |
| download | gdb-7cdd7d57e6fa3932eb63aa785ae0e3fa837aab20.zip gdb-7cdd7d57e6fa3932eb63aa785ae0e3fa837aab20.tar.gz gdb-7cdd7d57e6fa3932eb63aa785ae0e3fa837aab20.tar.bz2 | |
Fix race condition while building EH frame header.
gold/
PR gold/14860
* ehframe.cc (Eh_frame_hdr::Eh_frame_hdr): Initialize lock_.
(Ehframe_hdr::set_final_data_size): Allocate a Lock.
* ehframe.h (Eh_frame_hdr::record_fde): Hold the lock while
updating fde_offsets_.
(Eh_frame_hdr::lock_): New data member.
Diffstat (limited to 'gold/ehframe.cc')
| -rw-r--r-- | gold/ehframe.cc | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gold/ehframe.cc b/gold/ehframe.cc index 08a9ec6..be262bf 100644 --- a/gold/ehframe.cc +++ b/gold/ehframe.cc @@ -84,7 +84,8 @@ Eh_frame_hdr::Eh_frame_hdr(Output_section* eh_frame_section, eh_frame_section_(eh_frame_section), eh_frame_data_(eh_frame_data), fde_offsets_(), - any_unrecognized_eh_frame_sections_(false) + any_unrecognized_eh_frame_sections_(false), + lock_(NULL) { } @@ -102,6 +103,9 @@ Eh_frame_hdr::set_final_data_size() this->fde_offsets_.reserve(fde_count); } this->set_data_size(data_size); + // We need a lock for updating the fde_offsets_ vector while writing + // the FDEs. + this->lock_ = new Lock(); } // Write the data to the file. |