linker.64.c File Reference

Linker implementation for both efi and turnstone executables. More...

#include <linker.h>
#include <cpu.h>
#include <memory.h>
#include <memory/frame.h>
#include <memory/paging.h>
#include <systeminfo.h>
#include <logging.h>
#include <strings.h>
#include <efi.h>
#include <list.h>

Functions
	MODULE ("turnstone.lib.linker")
int8_t	linker_link_module (linker_context_t *ctx, linker_module_t *module)
int8_t	linker_efi_image_relocation_entry_cmp (const void *a, const void *b)
int8_t	linker_efi_image_section_header_cmp (const void *a, const void *b)
buffer_t *	linker_build_relocation_table_buffer (linker_context_t *ctx)
buffer_t *	linker_build_metadata_buffer (linker_context_t *ctx)
int8_t	linker_destroy_context (linker_context_t *ctx)
int8_t	linker_build_symbols (linker_context_t *ctx, uint64_t module_id, uint64_t section_id, uint8_t section_type, uint64_t section_offset)
	_Static_assert (sizeof(linker_vm_plt0_entry_data)==0x80, "plt0 entry size mismatch")
	_Static_assert (sizeof(linker_plt_entry_data)==0x40, "plt entry size mismatch")
int8_t	linker_build_relocations (linker_context_t *ctx, uint64_t section_id, uint8_t section_type, uint64_t section_offset, linker_module_t *module, boolean_t recursive)
int8_t	linker_build_module (linker_context_t *ctx, uint64_t module_id, boolean_t recursive)
int8_t	linker_calculate_program_size (linker_context_t *ctx)
int8_t	linker_bind_linear_addresses (linker_context_t *ctx)
int64_t	linker_get_section_count_without_relocations (linker_context_t *ctx)
int8_t	linker_bind_got_entry_values (linker_context_t *ctx)
boolean_t	linker_is_all_symbols_resolved (linker_context_t *ctx)
int8_t	linker_link_program (linker_context_t *ctx)
buffer_t *	linker_build_efi_image_relocations (linker_context_t *ctx)
buffer_t *	linker_build_efi_image_section_headers_without_relocations (linker_context_t *ctx)
buffer_t *	linker_build_efi (linker_context_t *ctx)
int8_t	linker_dump_program_to_array (linker_context_t *ctx, linker_program_dump_type_t dump_type, uint8_t *array)
static int8_t	linker_build_metadata_buffer_null_terminator (buffer_t *metadata_buffer, uint64_t count)

Variables
const char_t *const	linker_section_type_names [LINKER_SECTION_TYPE_NR_SECTIONS]
	linker section type names More...
const uint8_t	linker_vm_plt0_entry_data []
const uint8_t	linker_plt_entry_data []
const uint8_t	linker_program_header_trampoline_code []

Detailed Description

Linker implementation for both efi and turnstone executables.

This work is licensed under TURNSTONE OS Public License. Please read and understand latest version of Licence.

Variable Documentation

linker_plt_entry_data

const uint8_t linker_plt_entry_data[]

Initial value:

= {
    0x41, 0x57, 
    0x41, 0x56, 
    0x49, 0xbf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0x4c, 0x8d, 0x35, 0xeb, 0xff, 0xff, 0xff, 
    0x4d, 0x01, 0xf7, 
    0x49, 0xbb, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0x4f, 0x8b, 0x74, 0x3b, 0x08, 
    0x49, 0x0f, 0xba, 0xe6, 0x00, 
    0x73, 0x0b, 
    0x41, 0x5e, 
    0x4f, 0x8b, 0x1c, 0x3b, 
    0x41, 0x5f, 
    0x41, 0xff, 0xe3, 
    0xe9, 0x00, 0x00, 0x00, 0x00, 
    0x90, 
    0x90, 
}

linker_program_header_trampoline_code

const uint8_t linker_program_header_trampoline_code[]

Initial value:

= {
    0x48, 0x8b, 0x57, 0x48, 
    0x48, 0x8b, 0x42, 0x40, 
    0x48, 0x03, 0x42, 0x48, 
    0x48, 0x83, 0xe8, 0x10, 
    0x48, 0x89, 0xc4, 
    0x48, 0x31, 0xed, 
    0x48, 0x8b, 0x82, 0xf0, 0x00, 0x00, 0x00, 
    0x48, 0x8b, 0x00, 
    0x0f, 0x22, 0xd8, 
    0x48, 0x8b, 0x42, 0x38, 
    0xff, 0xd0, 
}

linker_section_type_names

linker_section_type_names

Initial value:

= {
    [LINKER_SECTION_TYPE_TEXT] = ".text",
    [LINKER_SECTION_TYPE_DATA] = ".data",
    [LINKER_SECTION_TYPE_DATARELOC] = ".datareloc",
    [LINKER_SECTION_TYPE_RODATA] = ".rodata",
    [LINKER_SECTION_TYPE_RODATARELOC] = ".rodatareloc",
    [LINKER_SECTION_TYPE_BSS] = ".bss",
    [LINKER_SECTION_TYPE_PLT] = ".plt",
    [LINKER_SECTION_TYPE_RELOCATION_TABLE] = ".reloc",
    [LINKER_SECTION_TYPE_GOT_RELATIVE_RELOCATION_TABLE] = ".gotrel",
    [LINKER_SECTION_TYPE_GOT] = ".got",
    [LINKER_SECTION_TYPE_STACK] = ".stack",
    [LINKER_SECTION_TYPE_HEAP] = ".heap",
}

linker section type names