mirror of
https://github.com/DarkFlippers/unleashed-firmware.git
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99 lines
2.4 KiB
C
99 lines
2.4 KiB
C
#pragma once
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#include "elf.h"
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#include "flipper_application.h"
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#include <m-dict.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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DICT_DEF2(RelocationAddressCache, int, M_DEFAULT_OPLIST, Elf32_Addr, M_DEFAULT_OPLIST)
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/**
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* Callable elf entry type
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*/
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typedef int32_t(entry_t)(void*);
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typedef struct {
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void* data;
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uint16_t sec_idx;
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uint16_t rel_sec_idx;
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} ELFSection_t;
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struct FlipperApplication {
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const ElfApiInterface* api_interface;
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File* fd;
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FlipperApplicationState state;
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FlipperApplicationManifest manifest;
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size_t sections;
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off_t section_table;
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off_t section_table_strings;
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size_t symbol_count;
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off_t symbol_table;
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off_t symbol_table_strings;
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off_t entry;
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ELFSection_t text;
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ELFSection_t rodata;
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ELFSection_t data;
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ELFSection_t bss;
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FuriThread* thread;
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RelocationAddressCache_t relocation_cache;
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};
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typedef enum {
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FoundERROR = 0,
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FoundSymTab = (1 << 0),
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FoundStrTab = (1 << 2),
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FoundText = (1 << 3),
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FoundRodata = (1 << 4),
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FoundData = (1 << 5),
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FoundBss = (1 << 6),
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FoundRelText = (1 << 7),
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FoundRelRodata = (1 << 8),
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FoundRelData = (1 << 9),
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FoundRelBss = (1 << 10),
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FoundFappManifest = (1 << 11),
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FoundDebugLink = (1 << 12),
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FoundValid = FoundSymTab | FoundStrTab | FoundFappManifest,
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FoundExec = FoundValid | FoundText,
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FoundGdbSection = FoundText | FoundRodata | FoundData | FoundBss,
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FoundAll = FoundSymTab | FoundStrTab | FoundText | FoundRodata | FoundData | FoundBss |
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FoundRelText | FoundRelRodata | FoundRelData | FoundRelBss | FoundDebugLink,
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} FindFlags_t;
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/**
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* @brief Load and validate basic ELF file headers
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* @param e Application instance
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* @param path FS path to application file
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* @return true if ELF file is valid
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*/
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bool flipper_application_load_elf_headers(FlipperApplication* e, const char* path);
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/**
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* @brief Iterate over all sections and save related indexes
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* @param e Application instance
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* @return true if all required sections are found
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*/
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bool flipper_application_load_section_table(FlipperApplication* e);
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/**
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* @brief Load section data to memory and process relocations
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* @param e Application instance
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* @return Status code
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*/
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FlipperApplicationLoadStatus flipper_application_load_sections(FlipperApplication* e);
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/**
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* @brief Release section data
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* @param s section pointer
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*/
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void flipper_application_free_section(ELFSection_t* s);
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#ifdef __cplusplus
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}
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#endif |