Initial checkin of lldb code from internal Apple repo.
git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@105619 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Breakpoint/BreakpointResolverName.cpp b/source/Breakpoint/BreakpointResolverName.cpp
new file mode 100644
index 0000000..b04bb8a
--- /dev/null
+++ b/source/Breakpoint/BreakpointResolverName.cpp
@@ -0,0 +1,252 @@
+//===-- BreakpointResolverName.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/BreakpointResolverName.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;
+
+BreakpointResolverName::BreakpointResolverName
+(
+ Breakpoint *bkpt,
+ const char *func_name,
+ Breakpoint::MatchType type
+) :
+ BreakpointResolver (bkpt),
+ m_func_name (func_name),
+ m_class_name (NULL),
+ m_regex (),
+ m_match_type (type)
+{
+ if (m_match_type == Breakpoint::Regexp)
+ {
+ if (!m_regex.Compile (m_func_name.AsCString()))
+ {
+ Log *log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_BREAKPOINTS);
+
+ if (log)
+ log->Warning ("function name regexp: \"%s\" did not compile.", m_func_name.AsCString());
+ }
+ }
+}
+
+BreakpointResolverName::BreakpointResolverName
+(
+ Breakpoint *bkpt,
+ RegularExpression &func_regex
+) :
+ BreakpointResolver (bkpt),
+ m_func_name (NULL),
+ m_class_name (NULL),
+ m_regex (func_regex),
+ m_match_type (Breakpoint::Regexp)
+{
+
+}
+
+BreakpointResolverName::BreakpointResolverName
+(
+ Breakpoint *bkpt,
+ const char *class_name,
+ const char *method,
+ Breakpoint::MatchType type
+) :
+ BreakpointResolver (bkpt),
+ m_func_name (method),
+ m_class_name (class_name),
+ m_regex (),
+ m_match_type (type)
+{
+
+}
+
+BreakpointResolverName::~BreakpointResolverName ()
+{
+}
+
+// FIXME: Right now we look at the module level, and call the module's "FindFunctions".
+// Greg says he will add function tables, maybe at the CompileUnit level to accelerate function
+// lookup. At that point, we should switch the depth to CompileUnit, and look in these tables.
+
+Searcher::CallbackReturn
+BreakpointResolverName::SearchCallback
+(
+ SearchFilter &filter,
+ SymbolContext &context,
+ Address *addr,
+ bool containing
+)
+{
+ SymbolContextList func_list;
+ SymbolContextList sym_list;
+
+ bool skip_prologue = true;
+ uint32_t i;
+ bool new_location;
+ SymbolContext sc;
+ Address break_addr;
+ assert (m_breakpoint != NULL);
+
+ Log *log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_BREAKPOINTS);
+
+ if (m_class_name)
+ {
+ if (log)
+ log->Warning ("Class/method function specification not supported yet.\n");
+ return Searcher::eCallbackReturnStop;
+ }
+
+ switch (m_match_type)
+ {
+ case Breakpoint::Exact:
+ if (context.module_sp)
+ {
+ context.module_sp->FindSymbolsWithNameAndType (m_func_name, eSymbolTypeCode, sym_list);
+ context.module_sp->FindFunctions (m_func_name, false, func_list);
+ }
+ break;
+ case Breakpoint::Regexp:
+ if (context.module_sp)
+ {
+ context.module_sp->FindSymbolsMatchingRegExAndType (m_regex, eSymbolTypeCode, sym_list);
+ context.module_sp->FindFunctions (m_regex, true, func_list);
+ }
+ break;
+ case Breakpoint::Glob:
+ if (log)
+ log->Warning ("glob is not supported yet.");
+ break;
+ }
+
+ // Remove any duplicates between the funcion list and the symbol list
+ if (func_list.GetSize())
+ {
+ for (i = 0; i < func_list.GetSize(); i++)
+ {
+ if (func_list.GetContextAtIndex(i, sc) == false)
+ continue;
+
+ if (sc.function == NULL)
+ continue;
+ uint32_t j = 0;
+ while (j < sym_list.GetSize())
+ {
+ SymbolContext symbol_sc;
+ if (sym_list.GetContextAtIndex(j, symbol_sc))
+ {
+ if (symbol_sc.symbol && symbol_sc.symbol->GetAddressRangePtr())
+ {
+ if (sc.function->GetAddressRange().GetBaseAddress() == symbol_sc.symbol->GetAddressRangePtr()->GetBaseAddress())
+ {
+ sym_list.RemoveContextAtIndex(j);
+ continue; // Don't increment j
+ }
+ }
+ }
+
+ j++;
+ }
+ }
+
+ for (i = 0; i < func_list.GetSize(); i++)
+ {
+ if (func_list.GetContextAtIndex(i, sc))
+ {
+ if (sc.function)
+ {
+ break_addr = sc.function->GetAddressRange().GetBaseAddress();
+ if (skip_prologue)
+ {
+ const uint32_t prologue_byte_size = sc.function->GetPrologueByteSize();
+ if (prologue_byte_size)
+ break_addr.SetOffset(break_addr.GetOffset() + prologue_byte_size);
+ }
+
+ if (filter.AddressPasses(break_addr))
+ {
+ BreakpointLocationSP bp_loc_sp (m_breakpoint->AddLocation(break_addr, &new_location));
+ if (bp_loc_sp && new_location && !m_breakpoint->IsInternal())
+ {
+ if (log)
+ {
+ StreamString s;
+ bp_loc_sp->GetDescription(&s, lldb::eDescriptionLevelVerbose);
+ log->Printf ("Added location: %s\n", s.GetData());
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+
+ for (i = 0; i < sym_list.GetSize(); i++)
+ {
+ if (sym_list.GetContextAtIndex(i, sc))
+ {
+ if (sc.symbol && sc.symbol->GetAddressRangePtr())
+ {
+ break_addr = sc.symbol->GetAddressRangePtr()->GetBaseAddress();
+
+ if (skip_prologue)
+ {
+ const uint32_t prologue_byte_size = sc.symbol->GetPrologueByteSize();
+ if (prologue_byte_size)
+ break_addr.SetOffset(break_addr.GetOffset() + prologue_byte_size);
+ }
+
+ if (filter.AddressPasses(break_addr))
+ {
+ BreakpointLocationSP bp_loc_sp (m_breakpoint->AddLocation(break_addr, &new_location));
+ if (bp_loc_sp && new_location && !m_breakpoint->IsInternal())
+ {
+ StreamString s;
+ bp_loc_sp->GetDescription(&s, lldb::eDescriptionLevelVerbose);
+ if (log)
+ log->Printf ("Added location: %s\n", s.GetData());
+ }
+ }
+ }
+ }
+ }
+ return Searcher::eCallbackReturnContinue;
+}
+
+Searcher::Depth
+BreakpointResolverName::GetDepth()
+{
+ return Searcher::eDepthModule;
+}
+
+void
+BreakpointResolverName::GetDescription (Stream *s)
+{
+ s->PutCString("Breakpoint by name: ");
+
+ if (m_match_type == Breakpoint::Regexp)
+ s->Printf("'%s' (regular expression)", m_regex.GetText());
+ else
+ s->Printf("'%s'", m_func_name.AsCString());
+}
+
+void
+BreakpointResolverName::Dump (Stream *s) const
+{
+
+}
+