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-rw-r--r--contrib/llvm/tools/lldb/source/Breakpoint/BreakpointResolverFileLine.cpp144
1 files changed, 5 insertions, 139 deletions
diff --git a/contrib/llvm/tools/lldb/source/Breakpoint/BreakpointResolverFileLine.cpp b/contrib/llvm/tools/lldb/source/Breakpoint/BreakpointResolverFileLine.cpp
index 91a218f..dcee2fd 100644
--- a/contrib/llvm/tools/lldb/source/Breakpoint/BreakpointResolverFileLine.cpp
+++ b/contrib/llvm/tools/lldb/source/Breakpoint/BreakpointResolverFileLine.cpp
@@ -59,7 +59,6 @@ BreakpointResolverFileLine::SearchCallback
SymbolContextList sc_list;
assert (m_breakpoint != NULL);
- Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_BREAKPOINTS));
// There is a tricky bit here. You can have two compilation units that #include the same file, and
// in one of them the function at m_line_number is used (and so code and a line entry for it is generated) but in the
@@ -83,146 +82,13 @@ BreakpointResolverFileLine::SearchCallback
cu_sp->ResolveSymbolContext (m_file_spec, m_line_number, m_inlines, false, eSymbolContextEverything, sc_list);
}
}
-
- while (sc_list.GetSize() > 0)
- {
- SymbolContextList tmp_sc_list;
- unsigned current_idx = 0;
- SymbolContext sc;
- bool first_entry = true;
-
- FileSpec match_file_spec;
- uint32_t closest_line_number = UINT32_MAX;
+ StreamString s;
+ s.Printf ("for %s:%d ",
+ m_file_spec.GetFilename().AsCString("<Unknown>"),
+ m_line_number);
- // Pull out the first entry, and all the others that match its file spec, and stuff them in the tmp list.
- while (current_idx < sc_list.GetSize())
- {
- bool matches;
-
- sc_list.GetContextAtIndex (current_idx, sc);
- if (first_entry)
- {
- match_file_spec = sc.line_entry.file;
- matches = true;
- first_entry = false;
- }
- else
- matches = (sc.line_entry.file == match_file_spec);
-
- if (matches)
- {
- tmp_sc_list.Append (sc);
- sc_list.RemoveContextAtIndex(current_idx);
-
- // ResolveSymbolContext will always return a number that is >= the line number you pass in.
- // So the smaller line number is always better.
- if (sc.line_entry.line < closest_line_number)
- closest_line_number = sc.line_entry.line;
- }
- else
- current_idx++;
- }
-
- // Okay, we've found the closest line number match, now throw away all the others:
-
- current_idx = 0;
- while (current_idx < tmp_sc_list.GetSize())
- {
- if (tmp_sc_list.GetContextAtIndex(current_idx, sc))
- {
- if (sc.line_entry.line != closest_line_number)
- tmp_sc_list.RemoveContextAtIndex(current_idx);
- else
- current_idx++;
- }
- }
-
- // Next go through and see if there are line table entries that are contiguous, and if so keep only the
- // first of the contiguous range:
-
- lldb::addr_t last_end_addr = LLDB_INVALID_ADDRESS;
- current_idx = 0;
- while (current_idx < tmp_sc_list.GetSize())
- {
- if (tmp_sc_list.GetContextAtIndex(current_idx, sc))
- {
- lldb::addr_t start_file_addr = sc.line_entry.range.GetBaseAddress().GetFileAddress();
- lldb::addr_t end_file_addr = start_file_addr + sc.line_entry.range.GetByteSize();
-
- if (start_file_addr == last_end_addr)
- tmp_sc_list.RemoveContextAtIndex(current_idx);
- else
- current_idx++;
+ SetSCMatchesByLine (filter, sc_list, m_skip_prologue, s.GetData());
- last_end_addr = end_file_addr;
- }
- }
-
- // and make breakpoints out of the closest line number match.
-
- uint32_t tmp_sc_list_size = tmp_sc_list.GetSize();
-
- for (uint32_t i = 0; i < tmp_sc_list_size; i++)
- {
- if (tmp_sc_list.GetContextAtIndex(i, sc))
- {
- Address line_start = sc.line_entry.range.GetBaseAddress();
- if (line_start.IsValid())
- {
- if (filter.AddressPasses(line_start))
- {
- // If the line number is before the prologue end, move it there...
- bool skipped_prologue = false;
- if (m_skip_prologue)
- {
- if (sc.function)
- {
- Address prologue_addr(sc.function->GetAddressRange().GetBaseAddress());
- if (prologue_addr.IsValid() && (line_start == prologue_addr))
- {
- const uint32_t prologue_byte_size = sc.function->GetPrologueByteSize();
- if (prologue_byte_size)
- {
- prologue_addr.Slide(prologue_byte_size);
-
- if (filter.AddressPasses(prologue_addr))
- {
- skipped_prologue = true;
- line_start = prologue_addr;
- }
- }
- }
- }
- }
-
- BreakpointLocationSP bp_loc_sp (m_breakpoint->AddLocation(line_start));
- if (log && bp_loc_sp && !m_breakpoint->IsInternal())
- {
- StreamString s;
- bp_loc_sp->GetDescription (&s, lldb::eDescriptionLevelVerbose);
- log->Printf ("Added location (skipped prologue: %s): %s \n", skipped_prologue ? "yes" : "no", s.GetData());
- }
- }
- else if (log)
- {
- log->Printf ("Breakpoint at file address 0x%" PRIx64 " for %s:%d didn't pass the filter.\n",
- line_start.GetFileAddress(),
- m_file_spec.GetFilename().AsCString("<Unknown>"),
- m_line_number);
- }
- }
- else
- {
- if (log)
- log->Printf ("error: Unable to set breakpoint at file address 0x%" PRIx64 " for %s:%d\n",
- line_start.GetFileAddress(),
- m_file_spec.GetFilename().AsCString("<Unknown>"),
- m_line_number);
- }
- }
- }
- }
-
return Searcher::eCallbackReturnContinue;
}
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