42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
#pragma once
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#define ELF_MAGIC_0 0x7f
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#define ELF_MAGIC_1 'E'
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#define ELF_MAGIC_2 'L'
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#define ELF_MAGIC_3 'F'
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#define ELFCLASS32 1
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#define ELFDATA2LSB 1
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#define SHT_NOBITS 8u
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#define SHT_SYMTAB 2u
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#define SHF_ALLOC 0x2u
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#include <stdint.h>
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enum {
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LOAD_OK = 1,
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LOAD_ERR_OPEN = -1,
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LOAD_ERR_SMALL_FILE = -2,
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LOAD_ERR_NOT_ELF = -3,
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LOAD_ERR_UNSUPPORTED_FORMAT = -4,
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LOAD_ERR_INVALID_SHT = -5,
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LOAD_ERR_SHT_OUT_OF_BOUNDS = -6,
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LOAD_ERR_SECTION_TOO_LARGE = -7,
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LOAD_ERR_SECTION_FILE_BOUNDS = -8,
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LOAD_ERR_OOM = -9,
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LOAD_ERR_SYMTAB_MISSING = -10,
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LOAD_ERR_STRTAB_INVALID = -11,
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LOAD_ERR_SYMBOL_NOT_FOUND = -12,
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LOAD_ERR_SYMBOL_INVALID_SECTION = -13,
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LOAD_ERR_SYMBOL_OUT_OF_RANGE = -14
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};
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uint16_t read_u16_le(const uint8_t* data);
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uint32_t read_u32_le(const uint8_t* data);
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uint32_t align_up(uint32_t value, uint32_t align);
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int load_elf_object_sections(const char* path, uint8_t* memory, uint32_t mem_size);
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int resolve_elf_symbol_memory_offset(const char* path, const char* symbol_name,
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uint32_t mem_size, uint32_t* out_offset);
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