first commit

This commit is contained in:
YXZhu
2022-08-06 13:35:32 +08:00
commit 2240710d39
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ENTRY( _start )␍␍__stack_size = 2048;␍␍PROVIDE( _stack_size = __stack_size );␍␍␍MEMORY␍{␍ FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 64K␍ RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 20K␍}␍␍␍SECTIONS␍{␍␍ .init :␍ {␍ _sinit = .;␍ . = ALIGN(4);␍ KEEP(*(SORT_NONE(.init)))␍ . = ALIGN(4);␍ _einit = .;␍ } >FLASH AT>FLASH␍␍ .vector :␍ {␍ *(.vector);␍ . = ALIGN(64);␍ } >FLASH AT>FLASH␍␍ .text :␍ {␍ . = ALIGN(4);␍ *(.text)␍ *(.text.*)␍ *(.rodata)␍ *(.rodata*)␍ *(.glue_7)␍ *(.glue_7t)␍ *(.gnu.linkonce.t.*)␍ . = ALIGN(4);␍ } >FLASH AT>FLASH ␍␍ .fini :␍ {␍ KEEP(*(SORT_NONE(.fini)))␍ . = ALIGN(4);␍ } >FLASH AT>FLASH␍␍ PROVIDE( _etext = . );␍ PROVIDE( _eitcm = . ); ␍␍ .preinit_array :␍ {␍ PROVIDE_HIDDEN (__preinit_array_start = .);␍ KEEP (*(.preinit_array))␍ PROVIDE_HIDDEN (__preinit_array_end = .);␍ } >FLASH AT>FLASH ␍ ␍ .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 = .);␍ } >FLASH AT>FLASH ␍ ␍ .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 = .);␍ } >FLASH AT>FLASH ␍ ␍ .ctors :␍ {␍ /* gcc uses crtbegin.o to find the start of␍ the constructors, so we make sure it is␍ first. Because this is a wildcard, it␍ doesn't matter if the user does not␍ actually link against crtbegin.o; the␍ linker won't look for a file to match a␍ wildcard. The wildcard also means that it␍ doesn't matter which directory crtbegin.o␍ is in. */␍ KEEP (*crtbegin.o(.ctors))␍ KEEP (*crtbegin?.o(.ctors))␍ /* We don't want to include the .ctor section from␍ the crtend.o file until after the sorted ctors.␍ The .ctor section from the crtend file contains the␍ end of ctors marker and it must be last */␍ KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))␍ KEEP (*(SORT(.ctors.*)))␍ KEEP (*(.ctors))␍ } >FLASH AT>FLASH ␍ ␍ .dtors :␍ {␍ KEEP (*crtbegin.o(.dtors))␍ KEEP (*crtbegin?.o(.dtors))␍ KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))␍ KEEP (*(SORT(.dtors.*)))␍ KEEP (*(.dtors))␍ } >FLASH AT>FLASH ␍␍ .dalign :␍ {␍ . = ALIGN(4);␍ PROVIDE(_data_vma = .);␍ } >RAM AT>FLASH ␍␍ .dlalign :␍ {␍ . = ALIGN(4); ␍ PROVIDE(_data_lma = .);␍ } >FLASH AT>FLASH␍␍ .data :␍ {␍ *(.gnu.linkonce.r.*)␍ *(.data .data.*)␍ *(.gnu.linkonce.d.*)␍ . = ALIGN(8);␍ PROVIDE( __global_pointer$ = . + 0x800 );␍ *(.sdata .sdata.*)␍ *(.sdata2.*)␍ *(.gnu.linkonce.s.*)␍ . = ALIGN(8);␍ *(.srodata.cst16)␍ *(.srodata.cst8)␍ *(.srodata.cst4)␍ *(.srodata.cst2)␍ *(.srodata .srodata.*)␍ . = ALIGN(4);␍ PROVIDE( _edata = .);␍ } >RAM AT>FLASH␍␍ .bss :␍ {␍ . = ALIGN(4);␍ PROVIDE( _sbss = .);␍ *(.sbss*)␍ *(.gnu.linkonce.sb.*)␍ *(.bss*)␍ *(.gnu.linkonce.b.*) ␍ *(COMMON*)␍ . = ALIGN(4);␍ PROVIDE( _ebss = .);␍ } >RAM AT>FLASH␍␍ PROVIDE( _end = _ebss);␍ PROVIDE( end = . );␍␍ .stack ORIGIN(RAM) + LENGTH(RAM) - __stack_size :␍ {␍ PROVIDE( _heap_end = . );␍ . = ALIGN(4);␍ PROVIDE(_susrstack = . );␍ . = . + __stack_size;␍ PROVIDE( _eusrstack = .);␍ } >RAM ␍␍}␍␍␍␍