Subversion Repositories openrisc_2011-10-31

   Free Software Foundation, Inc.

/* DllCharacteristics flag bits.  The inconsistent naming may seem

   odd, but that is how they are defined in the PE specification.  */

#define IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE          0x0040

#define IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY       0x0080

#define IMAGE_DLL_CHARACTERISTICS_NX_COMPAT             0x0100

#define IMAGE_DLLCHARACTERISTICS_NO_ISOLATION           0x0200

#define IMAGE_DLLCHARACTERISTICS_NO_SEH                 0x0400

#define IMAGE_DLLCHARACTERISTICS_NO_BIND                0x0800

#define IMAGE_DLLCHARACTERISTICS_WDM_DRIVER             0x2000

#define IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE  0x8000

/* .pdata/.xdata defines and structures for x64 PE+ for exception handling.  */

/* .pdata in exception directory.  */

struct pex64_runtime_function

{

  bfd_vma rva_BeginAddress;

  bfd_vma rva_EndAddress;

  bfd_vma rva_UnwindData;

  unsigned int isChained : 1;

};

struct external_pex64_runtime_function

{

  bfd_byte rva_BeginAddress[4];

  bfd_byte rva_EndAddress[4];

  bfd_byte rva_UnwindData[4];

};

/* If the lowest significant bit is set for rva_UnwindData RVA, it

   means that the unified RVA points to another pex64_runtime_function

   that this entry shares the unwind_info block with.  */

#define PEX64_IS_RUNTIME_FUNCTION_CHAINED(PTR_RTF) \

  (((PTR_RTF)->rva_UnwindData & 1) != 0)

#define PEX64_GET_UNWINDDATA_UNIFIED_RVA(PTR_RTF) \

  ((PTR_RTF)->rva_UnwindData & ~1)

/* The unwind codes.  */

#define UWOP_PUSH_NONVOL      0

#define UWOP_ALLOC_LARGE      1

#define UWOP_ALLOC_SMALL      2

#define UWOP_SET_FPREG        3

#define UWOP_SAVE_NONVOL      4

#define UWOP_SAVE_NONVOL_FAR  5

#define UWOP_SAVE_XMM         6

#define UWOP_SAVE_XMM_FAR     7

#define UWOP_SAVE_XMM128      8

#define UWOP_SAVE_XMM128_FAR  9

#define UWOP_PUSH_MACHFRAME   10

struct pex64_unwind_code

{

  bfd_vma prologue_offset;

  /* Contains Frame offset, or frame allocation size.  */

  bfd_vma frame_addr;

  unsigned int uwop_code : 4;

  /* xmm, mm, or standard register from 0 - 15.  */

  unsigned int reg : 4;

  /* Used for UWOP_PUSH_MACHFRAME to indicate optional errorcode stack

     argument.  */

  unsigned int has_errorcode : 1;

};

struct external_pex64_unwind_code

{

  bfd_byte dta[2];

};

#define PEX64_UNWCODE_CODE(VAL) ((VAL) & 0xf)

#define PEX64_UNWCODE_INFO(VAL) (((VAL) >> 4) & 0xf)

/* The unwind info.  */

#define UNW_FLAG_NHANDLER     0

#define UNW_FLAG_EHANDLER     1

#define UNW_FLAG_UHANDLER     2

#define UNW_FLAG_FHANDLER     3

#define UNW_FLAG_CHAININFO    4

#define UNW_FLAG_MASK         0x1f

struct pex64_unwind_info

{

  bfd_vma SizeOfBlock;

  bfd_byte Version; /* Values from 0 up to 7 are possible.  */

  bfd_byte Flags; /* Values from 0 up to 31 are possible.  */

  bfd_vma SizeOfPrologue;

  bfd_vma CountOfCodes; /* Amount of pex64_unwind_code elements.  */

  /* 0 = CFA, 1..15 are index of integer registers.  */

  unsigned int FrameRegister : 4;

  bfd_vma FrameOffset;

  bfd_vma sizeofUnwindCodes;

  bfd_byte *rawUnwindCodes;

  /* Valid for UNW_FLAG_EHANDLER and UNW_FLAG_UHANDLER.  */

  bfd_vma CountOfScopes;

  bfd_byte *rawScopeEntries;

  bfd_vma rva_ExceptionHandler; /* UNW_EHANDLER.  */

  bfd_vma rva_TerminationHandler; /* UNW_FLAG_UHANDLER.  */

  bfd_vma rva_FrameHandler; /* UNW_FLAG_FHANDLER.  */

  bfd_vma FrameHandlerArgument; /* UNW_FLAG_FHANDLER.  */

  bfd_vma rva_FunctionEntry; /* UNW_FLAG_CHAININFO.  */

};

struct external_pex64_unwind_info

{

  bfd_byte Version_Flags;

  bfd_byte SizeOfPrologue;

  bfd_byte CountOfCodes;

  bfd_byte FrameRegisterOffset;

  /* external_pex64_unwind_code array.  */

  /* bfd_byte handler[4];  */

  /* Optional language specific data.  */

};

struct external_pex64_scope

{

  bfd_vma Count;

};

struct pex64_scope

{

  bfd_byte Count[4];

};

struct pex64_scope_entry

{

  bfd_vma rva_BeginAddress;

  bfd_vma rva_EndAddress;

  bfd_vma rva_HandlerAddress;

  bfd_vma rva_JumpAddress;

};

#define PEX64_SCOPE_ENTRY_SIZE  16

struct external_pex64_scope_entry

{

  bfd_byte rva_BeginAddress[4];

  bfd_byte rva_EndAddress[4];

  bfd_byte rva_HandlerAddress[4];

  bfd_byte rva_JumpAddress[4];

};

#define PEX64_UWI_VERSION(VAL)  ((VAL) & 7)

#define PEX64_UWI_FLAGS(VAL)    (((VAL) >> 3) & 0x1f)

#define PEX64_UWI_FRAMEREG(VAL) ((VAL) & 0xf)

#define PEX64_UWI_FRAMEOFF(VAL) (((VAL) >> 4) & 0xf)

#define PEX64_UWI_SIZEOF_UWCODE_ARRAY(VAL) \

  ((((VAL) + 1) & ~1) * 2)

#define PEX64_OFFSET_TO_UNWIND_CODE 0x4

#define PEX64_OFFSET_TO_HANDLER_RVA (COUNTOFUNWINDCODES) \

  (PEX64_OFFSET_TO_UNWIND_CODE + \

   PEX64_UWI_SIZEOF_UWCODE_ARRAY(COUNTOFUNWINDCODES))

#define PEX64_OFFSET_TO_SCOPE_COUNT(COUNTOFUNWINDCODES) \

  (PEX64_OFFSET_TO_HANDLER_RVA(COUNTOFUNWINDCODES) + 4)

#define PEX64_SCOPE_ENTRY(COUNTOFUNWINDCODES, IDX) \

  (PEX64_OFFSET_TO_SCOPE_COUNT(COUNTOFUNWINDCODES) + \

   PEX64_SCOPE_ENTRY_SIZE * (IDX))