[해결].ln 확장자는 무슨 소스 파일인가요?

ENTRY(_boot)
STACK_SIZE = 0x2400;
 
MEMORY
{
  ROM (rx) : ORIGIN = 0x00000000, LENGTH = 120K
  RAM (rw) : ORIGIN = 0x40000000, LENGTH = 64K
}
 
/* Section Definitions */
SECTIONS
{
  /* .text in ROM which is used for code */
  .text :
  {
    KEEP(*(.boot))
 
    *(.text .text.* .gnu.linkonce.t.*)
    *(.plt)
    *(.gnu.warning)
    *(.glue_7t) *(.glue_7) *(.vfp11_veneer)
 
    *(.rodata .rodata.* .gnu.linkonce.r.*)
 
    *(.ARM.extab* .gnu.linkonce.armextab.*)
    *(.gcc_except_table)
    *(.eh_frame_hdr)
    *(.eh_frame)
 
    . = ALIGN(4);
    KEEP(*(.init))
 
    . = ALIGN(4);
    __preinit_array_start = .;
    KEEP (*(.preinit_array))
    __preinit_array_end = .;
(이하 생략)