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authorCary Coutant <ccoutant@google.com>2013-11-14 13:15:06 -0800
committerCary Coutant <ccoutant@google.com>2013-11-14 13:15:55 -0800
commitcafdd5697b0e6c1f6344caee64f798e7e72424d4 (patch)
tree6c14132b43c58511208d2d81982662a4172cf6e8 /gold
parent8fe1b6533885f19680a2fbd827cb677c2e3c68ac (diff)
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Revert "Fix race condition while building EH frame header."
This reverts commit 7cdd7d57e6fa3932eb63aa785ae0e3fa837aab20.
Diffstat (limited to 'gold')
-rw-r--r--gold/ChangeLog14
-rw-r--r--gold/ehframe.cc6
-rw-r--r--gold/ehframe.h7
3 files changed, 16 insertions, 11 deletions
diff --git a/gold/ChangeLog b/gold/ChangeLog
index a56044c..d953d70 100644
--- a/gold/ChangeLog
+++ b/gold/ChangeLog
@@ -1,5 +1,19 @@
2013-11-14 Cary Coutant <ccoutant@google.com>
+ Revert patch -- this did not fix the problem, and there is
+ no race there.
+
+ 2013-11-14 Cary Coutant <ccoutant@google.com>
+
+ 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.
+
+2013-11-14 Cary Coutant <ccoutant@google.com>
+
* dwp.cc (Dwo_file_entry): New type.
(File_list): Use Dwo_file_entry.
(Dwo_file::verify): New function.
diff --git a/gold/ehframe.cc b/gold/ehframe.cc
index be262bf..08a9ec6 100644
--- a/gold/ehframe.cc
+++ b/gold/ehframe.cc
@@ -84,8 +84,7 @@ 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),
- lock_(NULL)
+ any_unrecognized_eh_frame_sections_(false)
{
}
@@ -103,9 +102,6 @@ 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.
diff --git a/gold/ehframe.h b/gold/ehframe.h
index d5ac668..8aab8b8 100644
--- a/gold/ehframe.h
+++ b/gold/ehframe.h
@@ -60,10 +60,7 @@ class Eh_frame_hdr : public Output_section_data
record_fde(section_offset_type fde_offset, unsigned char fde_encoding)
{
if (!this->any_unrecognized_eh_frame_sections_)
- {
- Hold_lock(*this->lock_);
- this->fde_offsets_.push_back(std::make_pair(fde_offset, fde_encoding));
- }
+ this->fde_offsets_.push_back(std::make_pair(fde_offset, fde_encoding));
}
protected:
@@ -160,8 +157,6 @@ class Eh_frame_hdr : public Output_section_data
// Whether we found any .eh_frame sections which we could not
// process.
bool any_unrecognized_eh_frame_sections_;
- // Lock held while updating fde_offsets_.
- Lock* lock_;
};
// This class holds an FDE.