scripts/module.lds.S

   1 /*
   2  * Common module linker script, always used when linking a module.
   3  * Archs are free to supply their own linker scripts.  ld will
   4  * combine them automatically.
   5  */
   6 #ifdef CONFIG_UNWIND_TABLES
   7 #define DISCARD_EH_FRAME
   8 #else
   9 #define DISCARD_EH_FRAME        *(.eh_frame)
  10 #endif
  11
  12 #include <asm-generic/codetag.lds.h>
  13
  14 SECTIONS {
  15         /DISCARD/ : {
  16                 *(.discard)
  17                 *(.discard.*)
  18                 *(.export_symbol)
  19         }
  20
  21         __ksymtab               0 : { *(SORT(___ksymtab+*)) }
  22         __ksymtab_gpl           0 : { *(SORT(___ksymtab_gpl+*)) }
  23         __kcrctab               0 : { *(SORT(___kcrctab+*)) }
  24         __kcrctab_gpl           0 : { *(SORT(___kcrctab_gpl+*)) }
  25
  26         .ctors                  0 : ALIGN(8) { *(SORT(.ctors.*)) *(.ctors) }
  27         .init_array             0 : ALIGN(8) { *(SORT(.init_array.*)) *(.init_array) }
  28
  29         .altinstructions        0 : ALIGN(8) { KEEP(*(.altinstructions)) }
  30         __bug_table             0 : ALIGN(8) { KEEP(*(__bug_table)) }
  31         __jump_table            0 : ALIGN(8) { KEEP(*(__jump_table)) }
  32
  33         __patchable_function_entries : { *(__patchable_function_entries) }
  34
  35 #ifdef CONFIG_ARCH_USES_CFI_TRAPS
  36         __kcfi_traps            : { KEEP(*(.kcfi_traps)) }
  37 #endif
  38
  39 #ifdef CONFIG_LTO_CLANG
  40         /*
  41          * With CONFIG_LTO_CLANG, LLD always enables -fdata-sections and
  42          * -ffunction-sections, which increases the size of the final module.
  43          * Merge the split sections in the final binary.
  44          */
  45         .bss : {
  46                 *(.bss .bss.[0-9a-zA-Z_]*)
  47                 *(.bss..L*)
  48         }
  49
  50         .data : {
  51                 *(.data .data.[0-9a-zA-Z_]*)
  52                 *(.data..L*)
  53                 CODETAG_SECTIONS()
  54         }
  55
  56         .rodata : {
  57                 *(.rodata .rodata.[0-9a-zA-Z_]*)
  58                 *(.rodata..L*)
  59         }
  60 #else
  61         .data : {
  62                 CODETAG_SECTIONS()
  63         }
  64 #endif
  65 }
  66
  67 /* bring in arch-specific sections */
  68 #include <asm/module.lds.h>