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kernel/linux-imx6_3.14.28/arch/x86/vdso/vdso-layout.lds.S 1.55 KB
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  /*
   * Linker script for vDSO.  This is an ELF shared object prelinked to
   * its virtual address, and with only one read-only segment.
   * This script controls its layout.
   */
  
  SECTIONS
  {
  	. = VDSO_PRELINK + SIZEOF_HEADERS;
  
  	.hash		: { *(.hash) }			:text
  	.gnu.hash	: { *(.gnu.hash) }
  	.dynsym		: { *(.dynsym) }
  	.dynstr		: { *(.dynstr) }
  	.gnu.version	: { *(.gnu.version) }
  	.gnu.version_d	: { *(.gnu.version_d) }
  	.gnu.version_r	: { *(.gnu.version_r) }
  
  	.note		: { *(.note.*) }		:text	:note
  
  	.eh_frame_hdr	: { *(.eh_frame_hdr) }		:text	:eh_frame_hdr
  	.eh_frame	: { KEEP (*(.eh_frame)) }	:text
  
  	.dynamic	: { *(.dynamic) }		:text	:dynamic
  
  	.rodata		: { *(.rodata*) }		:text
  	.data		: {
  	      *(.data*)
  	      *(.sdata*)
  	      *(.got.plt) *(.got)
  	      *(.gnu.linkonce.d.*)
  	      *(.bss*)
  	      *(.dynbss*)
  	      *(.gnu.linkonce.b.*)
  	}
  
  	.altinstructions	: { *(.altinstructions) }
  	.altinstr_replacement	: { *(.altinstr_replacement) }
  
  	/*
  	 * Align the actual code well away from the non-instruction data.
  	 * This is the best thing for the I-cache.
  	 */
  	. = ALIGN(0x100);
  
  	.text		: { *(.text*) }			:text	=0x90909090
  }
  
  /*
   * Very old versions of ld do not recognize this name token; use the constant.
   */
  #define PT_GNU_EH_FRAME	0x6474e550
  
  /*
   * We must supply the ELF program headers explicitly to get just one
   * PT_LOAD segment, and set the flags explicitly to make segments read-only.
   */
  PHDRS
  {
  	text		PT_LOAD		FLAGS(5) FILEHDR PHDRS; /* PF_R|PF_X */
  	dynamic		PT_DYNAMIC	FLAGS(4);		/* PF_R */
  	note		PT_NOTE		FLAGS(4);		/* PF_R */
  	eh_frame_hdr	PT_GNU_EH_FRAME;
  }