66 lines
1.8 KiB
Plaintext
66 lines
1.8 KiB
Plaintext
OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
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OUTPUT_ARCH(i386)
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/* Linker-generated symbols are prefixed with a double underscore.
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* Decompressor symbols are prefixed with __decompressor_. All other
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* symbols are the same as in the original object file, i.e. the
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* runtime addresses.
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*/
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ENTRY(_start16)
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SECTIONS {
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.text : {
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*(.text)
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}
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.payload : {
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__payload_start = .;
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*(.data)
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__payload_end = .;
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}
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/* _payload_size is the size of the binary image appended to
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* start16, in bytes.
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*/
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__payload_size = __payload_end - __payload_start ;
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/* _size is the size of the runtime image
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* (start32 + the C code), in bytes.
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*/
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__size = _end - _start ;
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/* _decompressor_size is the size of the decompressor, in
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* bytes. For a non-compressed image, start16.lds sets
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* _decompressor_uncompressed = _decompressor__start = 0.
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*/
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__decompressor_size = __decompressor_uncompressed - __decompressor__start ;
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/* image__size is the total size of the image, after
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* decompression and including the decompressor if applicable.
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* It is therefore the amount of memory that start16's payload
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* needs in order to execute, in bytes.
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*/
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__image_size = __size + __decompressor_size ;
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/* Amount to add to runtime symbols to obtain the offset of
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* that symbol within the image.
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*/
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__offset_adjust = __decompressor_size - _start ;
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/* Calculations for the stack
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*/
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__stack_size = _estack - _stack ;
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__offset_stack = _stack + __offset_adjust ;
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/* Some symbols will be larger than 16 bits but guaranteed to
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* be multiples of 16. We calculate them in paragraphs and
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* export these symbols which can be used in 16-bit code
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* without risk of overflow.
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*/
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__image_size_pgh = ( __image_size / 16 );
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__start_pgh = ( _start / 16 );
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__decompressor_size_pgh = ( __decompressor_size / 16 );
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__offset_stack_pgh = ( __offset_stack / 16 );
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}
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