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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,14 +1,15 @@ | ||
| enable_language(ASM) | ||
| enable_language(C ASM) | ||
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| list(APPEND srcs | ||
| list(APPEND srcs | ||
| "start.S" | ||
| "vectors.S" | ||
| "syscalls.c" | ||
| ) | ||
|
|
||
| add_library(common STATIC ${srcs}) | ||
| target_include_directories(common PUBLIC include) | ||
| target_include_directories(common PUBLIC) | ||
| set_target_properties(common PROPERTIES C_STANDARD 11) | ||
| target_compile_options(common PRIVATE -g -Og) | ||
| target_link_libraries(common INTERFACE -nostartfiles) | ||
|
|
||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,162 @@ | ||
| ENTRY(_start) | ||
|
|
||
| SECTIONS | ||
| { | ||
| .header : AT(0) | ||
| { | ||
| _rom_start = .; | ||
| LONG(0xaedb041d) | ||
| LONG(0xaedb041d) | ||
| } > rom | ||
|
|
||
| .text.entry ORIGIN(rom) + 8 : | ||
| { | ||
| KEEP(*(.text.entry)) | ||
| } > rom | ||
|
|
||
| .text : | ||
| { | ||
| *(.text .stub .text.* .gnu.linkonce.t.*) | ||
| *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) | ||
| *(.gnu.warning) | ||
| } | ||
| . = ALIGN(4); | ||
|
|
||
| .rodata : | ||
| { | ||
| *(.rodata .rodata1 .rodata.* .srodata .srodata.* .sdata2 .sdata2.* .gnu.linkonce.r.*) | ||
| *(.rela.data .rela.data.* .rela.gnu.linkonce.r.*) | ||
| } > rom | ||
|
|
||
| .init_array : | ||
| { | ||
| PROVIDE_HIDDEN (__init_array_start = .); | ||
| KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*))) | ||
| KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors)) | ||
| PROVIDE_HIDDEN (__init_array_end = .); | ||
| } > rom | ||
|
|
||
| .fini_array : | ||
| { | ||
| PROVIDE_HIDDEN (__fini_array_start = .); | ||
| KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*))) | ||
| KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors)) | ||
| PROVIDE_HIDDEN (__fini_array_end = .); | ||
| } > rom | ||
|
|
||
| .ctors : | ||
| { | ||
| KEEP (*crtbegin.o(.ctors)) | ||
| KEEP (*crtbegin?.o(.ctors)) | ||
| KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors)) | ||
| KEEP (*(SORT(.ctors.*))) | ||
| KEEP (*(.ctors)) | ||
| } > rom | ||
|
|
||
| .dtors : | ||
| { | ||
| KEEP (*crtbegin.o(.dtors)) | ||
| KEEP (*crtbegin?.o(.dtors)) | ||
| KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors)) | ||
| KEEP (*(SORT(.dtors.*))) | ||
| KEEP (*(.dtors)) | ||
| } > rom | ||
|
|
||
| PROVIDE (__etext = .); | ||
| PROVIDE (_etext = .); | ||
| PROVIDE (etext = .); | ||
| _rom_size = . - _rom_start; | ||
|
|
||
| .data ORIGIN(ram) : AT(_rom_size) | ||
| { | ||
| _data_start = .; | ||
| __DATA_BEGIN__ = .; | ||
| *(.data .data.* .gnu.linkonce.d.*) | ||
| *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) | ||
| SORT(CONSTRUCTORS) | ||
| } > ram | ||
| .data1 : | ||
| { | ||
| *(.data1) | ||
| } | ||
| .sdata : | ||
| { | ||
| __SDATA_BEGIN__ = .; | ||
| *(.sdata .sdata.* .gnu.linkonce.s.*) | ||
| } | ||
| . = ALIGN(4); | ||
| _edata = .; PROVIDE (edata = .); | ||
| _data_lma = ORIGIN(rom) + LOADADDR(.data); | ||
| _data_size = _edata - _data_start; | ||
|
|
||
| __bss_start = .; | ||
| .sbss : | ||
| { | ||
| *(.dynsbss) | ||
| *(.sbss .sbss.* .gnu.linkonce.sb.*) | ||
| *(.scommon) | ||
| } | ||
| .bss : | ||
| { | ||
| *(.dynbss) | ||
| *(.bss .bss.* .gnu.linkonce.b.*) | ||
| *(COMMON) | ||
| } | ||
| . = ALIGN(4); | ||
| __BSS_END__ = .; | ||
| __global_pointer$ = MIN(__SDATA_BEGIN__ + 0x800, | ||
| MAX(__DATA_BEGIN__ + 0x800, __BSS_END__ - 0x800)); | ||
| _end = .; PROVIDE (end = .); | ||
|
|
||
| /* Stack */ | ||
| .stack : | ||
| { | ||
| __stack_bottom = .; | ||
| __stack_top = ORIGIN(ram) + LENGTH(ram); | ||
| __stack_size_min = 0x4000; | ||
| ASSERT(__stack_bottom + __stack_size_min < __stack_top, "Error: no space for stack"); | ||
| } | ||
|
|
||
| /* 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 : { *(.comment) } | ||
| .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 Extension. */ | ||
| .debug_macro 0 : { *(.debug_macro) } | ||
| .debug_addr 0 : { *(.debug_addr) } | ||
| .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) } | ||
| /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) } | ||
| } |
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