diff options
Diffstat (limited to 'libgloss/m68k/atari/atari-tos.ld')
| -rw-r--r-- | libgloss/m68k/atari/atari-tos.ld | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/libgloss/m68k/atari/atari-tos.ld b/libgloss/m68k/atari/atari-tos.ld new file mode 100644 index 0000000..6bbecc2 --- /dev/null +++ b/libgloss/m68k/atari/atari-tos.ld @@ -0,0 +1,160 @@ +/* + Copyright (C) 2025 Mikael Hildenborg + SPDX-License-Identifier: BSD-2-Clause +*/ + +OUTPUT_FORMAT("elf32-m68k", "elf32-m68k", "elf32-m68k") +OUTPUT_ARCH(m68k) +INPUT (crti.o crtn.o crt0.o) + +SECTIONS +{ + /* + Start all addresses at 0. + That way, the relocation is a bit easier when converting to prg. + */ + . = 0x0; + .text : { + *crti.o(.init) + *crtbegin.o(.init) + *crtend.o(.init) + *crtn.o(.init) + *crt0.o(.init) + *crti.o(.fini) + *crtbegin.o(.fini) + *crtend.o(.fini) + *crtn.o(.fini) + *(.text*) + *(.gnu.warning) + FILL(0x0000); + . = ALIGN(0x4); + } + /* + There is no rodata in a prg file, so we store all data in .data section. + */ + .data BLOCK(0x4) : { + __DATA_SEGMENT__ = .; + *(.data*); + . = ALIGN(0x4); + *(.rodata*); + . = ALIGN(0x4); + + *(.eh_frame_hdr) *(.eh_frame_entry .eh_frame_entry.*) + *(.eh_frame) *(.eh_frame.*) + *(.sframe) *(.sframe.*) + *(.gcc_except_table .gcc_except_table.*) + *(.gnu_extab*) + + /* + All constructors + */ + KEEP (*crtbegin.o(.ctors)) + KEEP (*crtbegin?.o(.ctors)) + KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors)) + KEEP (*(SORT(.ctors.*))) + KEEP (*(.ctors)) + + /* + All destructors + */ + KEEP (*crtbegin.o(.dtors)) + KEEP (*crtbegin?.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*(.dtors)) + + FILL(0x0000); + . = ALIGN(0x4); + } + .bss BLOCK(0x4) : { + __BSS_SEGMENT__ = .; + *(.bss); + . = ALIGN(0x4); + *(COMMON); + . = ALIGN(0x4); + } + __BSS_SEGMENT_END = .; + + /* + Atari Prg header. + We don't care what the address is for this. + */ + .prgheader : { + SHORT(0x601a); /* Branch to start of the program (must be 0x601a, used as magic number!) */ + LONG(__DATA_SEGMENT__); /* Length of the TEXT segment */ + LONG(__BSS_SEGMENT__ - __DATA_SEGMENT__); /* Length of the DATA segment */ + LONG(__BSS_SEGMENT_END - __BSS_SEGMENT__); /* Length of the BSS segment */ + LONG(0); /* Length of the symbol table */ + LONG(0); /* Reserved, should be 0 */ + LONG(0); /* Program flags */ + SHORT(0); /* 0 = Relocation info present */ + } + + .note.gnu.build-id : { *(.note.gnu.build-id) } + .interp : { *(.interp) } + .hash : { *(.hash) } + .gnu.hash : { *(.gnu.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .gnu.version : { *(.gnu.version) } + .gnu.version_d : { *(.gnu.version_d) } + .gnu.version_r : { *(.gnu.version_r) } + + /* Stabs debugging sections. */ + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + .stab.excl 0 : { *(.stab.excl) } + .stab.exclstr 0 : { *(.stab.exclstr) } + .stab.index 0 : { *(.stab.index) } + .stab.indexstr 0 : { *(.stab.indexstr) } + .comment 0 (INFO) : { *(.comment); LINKER_VERSION; } + .gnu.build.attributes : { *(.gnu.build.attributes .gnu.build.attributes.*) } + + /* DWARF debug sections. + Symbols in the DWARF debugging sections are relative to the beginning + of the section so we begin them at 0. + */ + /* DWARF 1. */ + .debug 0 : { *(.debug) } + .line 0 : { *(.line) } + + /* GNU DWARF 1 extensions. */ + .debug_srcinfo 0 : { *(.debug_srcinfo) } + .debug_sfnames 0 : { *(.debug_sfnames) } + + /* DWARF 1.1 and DWARF 2. */ + .debug_aranges 0 : { *(.debug_aranges) } + .debug_pubnames 0 : { *(.debug_pubnames) } + + /* DWARF 2. */ + .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_line 0 : { *(.debug_line .debug_line.* .debug_line_end) } + .debug_frame 0 : { *(.debug_frame) } + .debug_str 0 : { *(.debug_str) } + .debug_loc 0 : { *(.debug_loc) } + .debug_macinfo 0 : { *(.debug_macinfo) } + + /* SGI/MIPS DWARF 2 extensions. */ + .debug_weaknames 0 : { *(.debug_weaknames) } + .debug_funcnames 0 : { *(.debug_funcnames) } + .debug_typenames 0 : { *(.debug_typenames) } + .debug_varnames 0 : { *(.debug_varnames) } + + /* DWARF 3. */ + .debug_pubtypes 0 : { *(.debug_pubtypes) } + .debug_ranges 0 : { *(.debug_ranges) } + + /* DWARF 5. */ + .debug_addr 0 : { *(.debug_addr) } + .debug_line_str 0 : { *(.debug_line_str) } + .debug_loclists 0 : { *(.debug_loclists) } + .debug_macro 0 : { *(.debug_macro) } + .debug_names 0 : { *(.debug_names) } + .debug_rnglists 0 : { *(.debug_rnglists) } + .debug_str_offsets 0 : { *(.debug_str_offsets) } + .debug_sup 0 : { *(.debug_sup) } + .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) } + /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.gnu_object_only) } + +}
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