#ifndef POWERUP_PPCLIB_OBJECT_H #define POWERUP_PPCLIB_OBJECT_H /************************************************** * * * PPCLoadElfObjectTags() * * **************************************************/ #define PPCELFLOADOBJECTTAG_DUMMY (TAG_USER + 0x23300) /* pointer to a filename of the elf file */ #define PPCELFLOADTAG_ELFNAME (PPCELFLOADOBJECTTAG_DUMMY + 0x0) /* pointer to the elf stream resident in memory. * PPCELFLOADTAG_ELFNAME and PPCELFLOADTAG_ELFADDRESS * are mutually exclusive */ #define PPCELFLOADTAG_ELFADDRESS (PPCELFLOADOBJECTTAG_DUMMY + 0x1) /* length of the elf stream. This tag is optional */ #define PPCELFLOADTAG_ELFLENGTH (PPCELFLOADOBJECTTAG_DUMMY + 0x2) /* Stream IO Hook * so you can implement your own loader system * BOOL CallHookPkt(hook,Handle,&Msg); * */ #define PPCELFLOADTAG_HOOK (PPCELFLOADOBJECTTAG_DUMMY + 0x3) /* Load an ElfObject as a SharedLib Module * BOOL */ #define PPCELFLOADTAG_LIBRARY (PPCELFLOADOBJECTTAG_DUMMY + 0x4) /* File Ptr * BPTR */ #define PPCELFLOADTAG_FILE (PPCELFLOADOBJECTTAG_DUMMY + 0x5) /* pointer to THE name of the elf lib */ #define PPCELFLOADTAG_ELFLIBNAME (PPCELFLOADOBJECTTAG_DUMMY + 0x6) /* Ask for at least version x of a SharedLib Module * ULONG */ #define PPCELFLOADTAG_LIBVERSION (PPCELFLOADOBJECTTAG_DUMMY + 0x7) /* Ask for at least revision x of a SharedLib Module * ULONG */ #define PPCELFLOADTAG_LIBREVISION (PPCELFLOADOBJECTTAG_DUMMY + 0x8) /* Ask for the specific version of a SharedLib Module * BOOL */ #define PPCELFLOADTAG_LIBEXACTVERSION (PPCELFLOADOBJECTTAG_DUMMY + 0x9) #define PPCELFLOADTAG_LIBEXACTREVISION (PPCELFLOADOBJECTTAG_DUMMY + 0xa) struct ElfStreamMsg { ULONG Type; ULONG Arg1; /* Open->No Meaning,Close->No Meaning,Read->Address,Seek->Offset */ ULONG Arg2; /* Open->No Meaning,Close->No Meaning,Read->Length,Seek->Type */ }; /* The Result must be a Handle */ #define PPCELFLOADTYPE_OPEN 0 /* The Result must be a boolean */ #define PPCELFLOADTYPE_CLOSE 1 /* The Result must be the read length or -1 */ #define PPCELFLOADTYPE_READ 2 /* The Result must be the old offset or -1 */ #define PPCELFLOADTYPE_SEEK 3 /************************************************** * * * PPCGetElfInfos() Tags * * **************************************************/ #define PPCELFINFOTAG_DUMMY (TAG_USER + 0x23000) /* Returns the name of an elfobject */ #define PPCELFINFOTAG_NAME (PPCELFINFOTAG_DUMMY + 0x0) /* Returns infos about a reloc instead of a symbol * A special PPCSymbolStruct is passed by ti_Data * which tells if you search for a symbol name * or wanna find a symbol for a certain address. * Result=TRUE if the search was successful and then * the SymbolStruct contains other important infos */ #define PPCELFINFOTAG_RELOC (PPCELFINFOTAG_DUMMY + 0x1) /* Set this Boolean if you want the infos global. Then all Elfobjects are searched. */ #define PPCELFINFOTAG_GLOBAL (PPCELFINFOTAG_DUMMY + 0x2) /* Define this Hook if you wanna get informations about every Symbol in a specific ElfObject or in all. (ElfObject==NULL || PPCELFINFOTAG_GLOBAL=TRUE) That`s the way how the PPCGetObjectInfo() calls your hook. MyInfo contains the passed infos, so you could show all important symbols or relocs if possible. CallHookPkt(ScanSymbolHook, (APTR) ElfSubStructure, // Not really useful (APTR) MyInfo); */ #define PPCELFINFOTAG_SCANSYMBOLHOOK (PPCELFINFOTAG_DUMMY + 0x3) struct PPCObjectInfo { ULONG Address; /* Name of the Object * If this is set PPCGetElfInfo search for the Name * Otherwise Address is used to search for an object */ char *Name; /* Type of the object */ ULONG Type; /* Subtype of the object * Symbol: * COMMON=BSS * FUNCTION * ... * Section: * * Reloc: * Relocation Type */ ULONG SubType; /* Symbol: * Local,Global,Weak * Section: * */ ULONG Binding; /* Size of the object */ ULONG Size; }; #define PPCELFINFOTYPE_SECTION 0 /* A Symbol whose SubType defines the real symbol Type and Binding contains the state of the symbol. */ #define PPCELFINFOTYPE_SYMBOL 1 /* A common section(BSS) symbol whose SubType defines the real symbol Type and Binding contains the state of the symbol. */ #define PPCELFINFOTYPE_COMSYMBOL 2 /* A reloc entry is quite simular to a symbol. It`s only useful to connect certain instruction addresses with certain symbols where you can`t calculate the symbol value in an easy way. i.e 16 bit PPC addressmodes..ADDR16_HI,HA */ #define PPCELFINFOTYPE_RELOC 3 /*------------------------------------------------------------------------*/ /* definition of the symbol types` */ /*------------------------------------------------------------------------*/ #define STT_NOTYPE 0 #define STT_OBJECT 1 #define STT_FUNC 2 #define STT_SECTION 3 #define STT_FILE 4 #define STT_LOPROC 13 #define STT_HIPROC 15 /*------------------------------------------------------------------------*/ /* definition of the symbol bindings */ /*------------------------------------------------------------------------*/ #define STB_LOCAL 0 #define STB_GLOBAL 1 #define STB_WEAK 2 #define STB_LOPROC 13 #define STB_HIPROC 15 /*------------------------------------------------------------------------*/ /* definition of the supported elf.rela types */ /*------------------------------------------------------------------------*/ #define R_PPC_NONE 0 #define R_PPC_ADDR32 1 #define R_PPC_ADDR24 2 #define R_PPC_ADDR16 3 #define R_PPC_ADDR16_L 4 #define R_PPC_ADDR16_HI 5 #define R_PPC_ADDR16_HA 6 #define R_PPC_ADDR14 7 #define R_PPC_ADDR14_BRTAKEN 8 #define R_PPC_ADDR14_BRNTAKEN 9 #define R_PPC_REL24 10 #define R_PPC_REL14 11 #define R_PPC_REL14_BRTAKEN 12 #define R_PPC_REL14_BRNTAKEN 13 #define R_PPC_GOT16 14 #define R_PPC_GOT16_LO 15 #define R_PPC_GOT16_HI 16 #define R_PPC_GOT16_HA 17 #define R_PPC_PLTREL24 18 #define R_PPC_COPY 19 #define R_PPC_GLOB_DAT 20 #define R_PPC_JMP_SLOT 21 #define R_PPC_RELATIVE 22 #define R_PPC_LOCAL24PC 23 #define R_PPC_UADDR32 24 #define R_PPC_UADDR16 25 #define R_PPC_REL32 26 #define R_PPC_PLT32 27 #define R_PPC_PLTREL32 28 #define R_PPC_PLT16_LO 29 #define R_PPC_PLT16_HI 30 #define R_PPC_PLT16_HA 31 #define R_PPC_SDAREL16 32 #define R_PPC_SECTOFF 33 #define R_PPC_SECTOFF_LO 34 #define R_PPC_SECTOFF_HI 35 #define R_PPC_SECTOFF_HA 34 #endif