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Diffstat (limited to 'lldb/source/Breakpoint/BreakpointResolverFileLine.cpp')
| -rw-r--r-- | lldb/source/Breakpoint/BreakpointResolverFileLine.cpp | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/lldb/source/Breakpoint/BreakpointResolverFileLine.cpp b/lldb/source/Breakpoint/BreakpointResolverFileLine.cpp deleted file mode 100644 index 69f2cca38776..000000000000 --- a/lldb/source/Breakpoint/BreakpointResolverFileLine.cpp +++ /dev/null @@ -1,198 +0,0 @@ -//===-- BreakpointResolverFileLine.cpp --------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "lldb/Breakpoint/BreakpointResolverFileLine.h" - -// C Includes -// C++ Includes -// Other libraries and framework includes -// Project includes -#include "lldb/Breakpoint/BreakpointLocation.h" -#include "lldb/Core/Log.h" -#include "lldb/Core/StreamString.h" -#include "lldb/lldb-private-log.h" - -using namespace lldb; -using namespace lldb_private; - -//---------------------------------------------------------------------- -// BreakpointResolverFileLine: -//---------------------------------------------------------------------- -BreakpointResolverFileLine::BreakpointResolverFileLine -( - Breakpoint *bkpt, - const FileSpec &file_spec, - uint32_t line_no, - bool check_inlines -) : - BreakpointResolver (bkpt, BreakpointResolver::FileLineResolver), - m_file_spec (file_spec), - m_line_number (line_no), - m_inlines (check_inlines) -{ -} - -BreakpointResolverFileLine::~BreakpointResolverFileLine () -{ -} - -Searcher::CallbackReturn -BreakpointResolverFileLine::SearchCallback -( - SearchFilter &filter, - SymbolContext &context, - Address *addr, - bool containing -) -{ - SymbolContextList sc_list; - - assert (m_breakpoint != NULL); - LogSP 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 - // other it isn't. If we considered the CU's independently, then in the second inclusion, we'd move the breakpoint - // to the next function that actually generated code in the header file. That would end up being confusing. - // So instead, we do the CU iterations by hand here, then scan through the complete list of matches, and figure out - // the closest line number match, and only set breakpoints on that match. - - // Note also that if file_spec only had a file name and not a directory, there may be many different file spec's in - // the resultant list. The closest line match for one will not be right for some totally different file. - // So we go through the match list and pull out the sets that have the same file spec in their line_entry - // and treat each set separately. - - uint32_t num_comp_units = context.module_sp->GetNumCompileUnits(); - for (uint32_t i = 0; i < num_comp_units; i++) - { - CompUnitSP cu_sp (context.module_sp->GetCompileUnitAtIndex (i)); - if (filter.CompUnitPasses(*(cu_sp.get()))) - cu_sp->ResolveSymbolContext (m_file_spec, m_line_number, m_inlines, false, eSymbolContextEverything, sc_list); - } - - while (sc_list.GetSize() > 0) - { - SymbolContextList tmp_sc_list; - int current_idx = 0; - SymbolContext sc; - bool first_entry = true; - - FileSpec match_file_spec; - uint32_t closest_line_number = UINT32_MAX; - - // 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, - // 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++) - { - SymbolContext sc; - if (tmp_sc_list.GetContextAtIndex(i, sc)) - { - if (sc.line_entry.line == closest_line_number) - { - Address line_start = sc.line_entry.range.GetBaseAddress(); - if (line_start.IsValid()) - { - if (filter.AddressPasses(line_start)) - { - 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: %s\n", s.GetData()); - } - } - else if (log) - { - log->Printf ("Breakpoint at file address 0x%llx 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%llx for %s:%d\n", - line_start.GetFileAddress(), - m_file_spec.GetFilename().AsCString("<Unknown>"), - m_line_number); - } - } - else - { - #if 0 - s << "error: Breakpoint at '" << pos->c_str() << "' isn't resolved yet: \n"; - if (sc.line_entry.address.Dump(&s, Address::DumpStyleSectionNameOffset)) - s.EOL(); - if (sc.line_entry.address.Dump(&s, Address::DumpStyleSectionPointerOffset)) - s.EOL(); - if (sc.line_entry.address.Dump(&s, Address::DumpStyleFileAddress)) - s.EOL(); - if (sc.line_entry.address.Dump(&s, Address::DumpStyleLoadAddress)) - s.EOL(); - #endif - } - } - } - } - - return Searcher::eCallbackReturnContinue; -} - -Searcher::Depth -BreakpointResolverFileLine::GetDepth() -{ - return Searcher::eDepthModule; -} - -void -BreakpointResolverFileLine::GetDescription (Stream *s) -{ - s->Printf ("file ='%s', line = %u", m_file_spec.GetFilename().AsCString(), m_line_number); -} - -void -BreakpointResolverFileLine::Dump (Stream *s) const -{ - -} - |