arch/um/kernel/uml.lds.S

Source file repositories/reference/linux-study-clean/arch/um/kernel/uml.lds.S

File Facts

System
Linux kernel
Corpus path
arch/um/kernel/uml.lds.S
Extension
.S
Size
2538 bytes
Lines
121
Domain
Architecture Layer
Bucket
arch/um
Inferred role
Architecture Layer: arch/um
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#include <asm/vmlinux.lds.h>
#include <asm/page.h>

OUTPUT_FORMAT(ELF_FORMAT)
OUTPUT_ARCH(ELF_ARCH)
ENTRY(_start)
jiffies = jiffies_64;

VERSION {
  {
    local: *;
  };
}

SECTIONS
{
  /* This must contain the right address - not quite the default ELF one.*/
  PROVIDE (__executable_start = START);
  /* Static binaries stick stuff here, like the sigreturn trampoline,
   * invisibly to objdump.  So, just make __binary_start equal to the very
   * beginning of the executable, and if there are unmapped pages after this,
   * they are forever unusable.
   */
  __binary_start = START;

  . = START + SIZEOF_HEADERS;
  . = ALIGN(PAGE_SIZE);

  _text = .;
  INIT_TEXT_SECTION(0)

  .text      :
  {
    _stext = .;
    TEXT_TEXT
    SCHED_TEXT
    LOCK_TEXT
    IRQENTRY_TEXT
    SOFTIRQENTRY_TEXT
    *(.fixup)
    /* .gnu.warning sections are handled specially by elf32.em.  */
    *(.gnu.warning)
    *(.gnu.linkonce.t*)
  }

  . = ALIGN(PAGE_SIZE);
  .syscall_stub : {
	__syscall_stub_start = .;
	*(.__syscall_stub*)
	__syscall_stub_end = .;
  }

  /*
   * These are needed even in a static link, even if they wind up being empty.
   * Newer glibc needs these __rel{,a}_iplt_{start,end} symbols.
   */
  .rel.plt : {
	*(.rel.plt)
	PROVIDE_HIDDEN(__rel_iplt_start = .);
	*(.rel.iplt)
	PROVIDE_HIDDEN(__rel_iplt_end = .);
  }
  .rela.plt : {
	*(.rela.plt)
	PROVIDE_HIDDEN(__rela_iplt_start = .);
	*(.rela.iplt)
	PROVIDE_HIDDEN(__rela_iplt_end = .);
  }

  #include <asm/common.lds.S>

Annotation

Implementation Notes