diff options
Diffstat (limited to 'include/coff/pe.h')
| -rw-r--r-- | include/coff/pe.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/include/coff/pe.h b/include/coff/pe.h index c7e7bd2..e8bf681 100644 --- a/include/coff/pe.h +++ b/include/coff/pe.h @@ -358,4 +358,154 @@ typedef struct #define IMAGE_WEAK_EXTERN_SEARCH_LIBRARY 2 #define IMAGE_WEAK_EXTERN_SEARCH_ALIAS 3 +/* .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)) + #endif /* _PE_H */ |