1 /* 2 * Copyright 2003-2011, Axel Dörfler, axeld@pinc-software.de. 3 * Distributed under the terms of the MIT License. 4 * 5 * Copyright 2002, Manuel J. Petit. All rights reserved. 6 * Distributed under the terms of the NewOS License. 7 */ 8 #ifndef RUNTIME_LOADER_PRIVATE_H 9 #define RUNTIME_LOADER_PRIVATE_H 10 11 #include <user_runtime.h> 12 #include <runtime_loader.h> 13 14 #include "tracing_config.h" 15 16 #include "utility.h" 17 18 19 //#define TRACE_RLD 20 #ifdef TRACE_RLD 21 # define TRACE(x) dprintf x 22 #else 23 # define TRACE(x) ; 24 #endif 25 26 27 #if RUNTIME_LOADER_TRACING 28 # define KTRACE(x...) ktrace_printf(x) 29 #else 30 # define KTRACE(x...) 31 #endif // RUNTIME_LOADER_TRACING 32 33 34 #define FATAL(x...) \ 35 do { \ 36 dprintf("runtime_loader: " x); \ 37 if (!gProgramLoaded) \ 38 printf("runtime_loader: " x); \ 39 } while (false) 40 41 42 struct SymbolLookupCache; 43 44 45 extern struct user_space_program_args* gProgramArgs; 46 extern void* __gCommPageAddress; 47 extern struct rld_export gRuntimeLoader; 48 extern char* (*gGetEnv)(const char* name); 49 extern bool gProgramLoaded; 50 extern image_t* gProgramImage; 51 52 53 extern "C" { 54 55 int runtime_loader(void* arg, void* commpage); 56 int open_executable(char* name, image_type type, const char* rpath, 57 const char* programPath, const char* requestingObjectPath, 58 const char* abiSpecificSubDir); 59 status_t test_executable(const char* path, char* interpreter); 60 status_t get_executable_architecture(const char* path, 61 const char** _architecture); 62 63 void terminate_program(void); 64 image_id load_program(char const* path, void** entry); 65 image_id load_library(char const* path, uint32 flags, bool addOn, 66 void** _handle); 67 status_t unload_library(void* handle, image_id imageID, bool addOn); 68 status_t get_nth_symbol(image_id imageID, int32 num, char* nameBuffer, 69 int32* _nameLength, int32* _type, void** _location); 70 status_t get_nearest_symbol_at_address(void* address, image_id* _imageID, 71 char** _imagePath, char** _symbolName, int32* _type, void** _location); 72 status_t get_symbol(image_id imageID, char const* symbolName, int32 symbolType, 73 bool recursive, image_id* _inImage, void** _location); 74 status_t get_library_symbol(void* handle, void* caller, const char* symbolName, 75 void** _location); 76 status_t get_next_image_dependency(image_id id, uint32* cookie, 77 const char** _name); 78 int resolve_symbol(image_t* rootImage, image_t* image, elf_sym* sym, 79 SymbolLookupCache* cache, addr_t* sym_addr, image_t** symbolImage = NULL); 80 81 82 status_t elf_verify_header(void* header, size_t length); 83 void rldelf_init(void); 84 void rldexport_init(void); 85 void set_abi_version(int abi_version); 86 status_t elf_reinit_after_fork(void); 87 88 status_t heap_init(void); 89 90 // arch dependent prototypes 91 status_t arch_relocate_image(image_t* rootImage, image_t* image, 92 SymbolLookupCache* cache); 93 94 } 95 96 #endif /* RUNTIME_LOADER_PRIVATE_H */ 97