forked from OSchip/llvm-project
156 lines
4.5 KiB
C++
156 lines
4.5 KiB
C++
//===-- ABIMacOSX_i386.h ----------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef liblldb_ABIMacOSX_i386_h_
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#define liblldb_ABIMacOSX_i386_h_
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// C Includes
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// C++ Includes
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// Other libraries and framework includes
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// Project includes
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#include "lldb/lldb-private.h"
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#include "lldb/Target/ABI.h"
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#include "lldb/Core/Value.h"
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class ABIMacOSX_i386 :
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public lldb_private::ABI
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{
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public:
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~ABIMacOSX_i386() { }
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virtual size_t
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GetRedZoneSize () const;
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virtual bool
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PrepareTrivialCall (lldb_private::Thread &thread,
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lldb::addr_t sp,
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lldb::addr_t func_addr,
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lldb::addr_t return_addr,
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lldb::addr_t *arg1_ptr = NULL,
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lldb::addr_t *arg2_ptr = NULL,
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lldb::addr_t *arg3_ptr = NULL,
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lldb::addr_t *arg4_ptr = NULL,
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lldb::addr_t *arg5_ptr = NULL,
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lldb::addr_t *arg6_ptr = NULL) const;
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virtual bool
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PrepareNormalCall (lldb_private::Thread &thread,
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lldb::addr_t sp,
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lldb::addr_t func_addr,
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lldb::addr_t return_addr,
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lldb_private::ValueList &args) const;
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virtual bool
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GetArgumentValues (lldb_private::Thread &thread,
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lldb_private::ValueList &values) const;
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virtual lldb_private::Error
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SetReturnValueObject(lldb::StackFrameSP &frame_sp, lldb::ValueObjectSP &new_value);
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protected:
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virtual lldb::ValueObjectSP
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GetReturnValueObjectImpl (lldb_private::Thread &thread,
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lldb_private::ClangASTType &ast_type) const;
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public:
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virtual bool
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CreateFunctionEntryUnwindPlan (lldb_private::UnwindPlan &unwind_plan);
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virtual bool
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CreateDefaultUnwindPlan (lldb_private::UnwindPlan &unwind_plan);
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virtual bool
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RegisterIsVolatile (const lldb_private::RegisterInfo *reg_info);
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virtual bool
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StackUsesFrames ()
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{
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return true;
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}
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virtual bool
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CallFrameAddressIsValid (lldb::addr_t cfa)
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{
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// Darwin call frame addresses must be 16-byte aligned, but other OS's
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// only need 4-byte alignment. Otherwise the ABI matches, so we have
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// this one minor override here.
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if (target_is_darwin)
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{
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// Make sure the stack call frame addresses are are 16 byte aligned
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if (cfa & (16ull - 1ull))
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return false; // Not 16 byte aligned
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}
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else
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{
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// Make sure the stack call frame addresses are are 4 byte aligned
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if (cfa & (4ull - 1ull))
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return false; // Not 4 byte aligned
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}
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if (cfa == 0)
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return false; // Zero is not a valid stack address
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return true;
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}
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virtual bool
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CodeAddressIsValid (lldb::addr_t pc)
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{
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// Just make sure the address is a valid 32 bit address.
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return pc <= UINT32_MAX;
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}
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virtual bool
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FunctionCallsChangeCFA ()
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{
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return true;
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}
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virtual const lldb_private::RegisterInfo *
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GetRegisterInfoArray (uint32_t &count);
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//------------------------------------------------------------------
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// Static Functions
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//------------------------------------------------------------------
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static void
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Initialize();
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static void
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Terminate();
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static lldb::ABISP
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CreateInstance (const lldb_private::ArchSpec &arch);
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//------------------------------------------------------------------
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// PluginInterface protocol
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//------------------------------------------------------------------
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static lldb_private::ConstString
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GetPluginNameStatic ();
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virtual lldb_private::ConstString
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GetPluginName();
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virtual uint32_t
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GetPluginVersion();
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protected:
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bool
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RegisterIsCalleeSaved (const lldb_private::RegisterInfo *reg_info);
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private:
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ABIMacOSX_i386(bool is_darwin) : lldb_private::ABI(),
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target_is_darwin(is_darwin)
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{ } // Call CreateInstance instead.
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bool target_is_darwin;
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};
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#endif // liblldb_ABI_h_
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