a

Section Headers:
  [Nr] Name              Type            Addr     Off    Size   ES Flg Lk Inf Al
  [ 0]                   NULL            00000000 000000 000000 00      0   0  0
  [ 1] .debug_info       PROGBITS        00000000 0000d4 16005a 00      0   0  1
  [ 2] .debug_abbrev     PROGBITS        00000000 16012e 012c8c 00      0   0  1
  [ 3] .debug_line       PROGBITS        00000000 172dba 058e98 00      0   0  1
  [ 4] .debug_str        PROGBITS        00000000 1cbc52 095902 01  MS  0   0  1
  [ 5] .debug_ranges     PROGBITS        00000000 261554 033f08 00      0   0  1
  [ 6] .comment          PROGBITS        00000000 29545c 000012 01  MS  0   0  1
  [ 7] .debug_pubnames   PROGBITS        00000000 29546e 04642b 00      0   0  1
  [ 8] .debug_frame      PROGBITS        00000000 2db89c 0143e4 00      0   0  4
  [ 9] .debug_loc        PROGBITS        00000000 2efc80 09589c 00      0   0  1
  [10] .debug_macinfo    PROGBITS        00000000 38551c 000086 00      0   0  1
  [11] .debug_pubtypes   PROGBITS        00000000 3855a2 04a512 00      0   0  1
  [12] .symtab           SYMTAB          00000000 3cfab4 002b40 10     14 501  4
  [13] .shstrtab         STRTAB          00000000 3d25f4 00015c 00      0   0  1
  [14] .strtab           STRTAB          00000000 3d2750 0099de 00      0   0  1
  [15] .text             PROGBITS        00000000 3dd000 01f7d6 00  AX  0   0 16
  [16] .rodata           PROGBITS        00020000 3fd000 16f704 00  AM  0   0 32
  [17] .kernel_caps      PROGBITS        0018f704 56c704 000024 00   A  0   0  4
  [18] .debug_gdb_scripts PROGBITS        0018f728 56c728 000022 01 AMS  0   0  1
  [19] .hash             NOBITS          0018f74a 56c74a 000000 00   A  0   0  1
  [20] .dynsym           NOBITS          0018f74a 56c74a 000000 00   A  0   0  1
  [21] .dynstr           NOBITS          0018f74a 56c74a 000000 00   A  0   0  1
  [22] .rela.dyn         NOBITS          0018f74a 56c74a 000000 00   A  0   0  1
  [23] .kernel_ioports   NOBITS          0018f74a 56c74a 000000 00   A  0   0  1
  [24] .eh_frame         PROGBITS        0018f74c 56c74c 00006c 00   A  0   0  4
  [25] .eh_frame_hdr     NOBITS          0018f7b8 56c7b8 000000 00   A  0   0  1
  [26] .gcc_except_table NOBITS          0018f7b8 56c7b8 000000 00   A  0   0  1
  [27] .gnu_extab        NOBITS          0018f7b8 56c7b8 000000 00   A  0   0  1
  [28] .debug_all        NOBITS          0018f7b8 56c7b8 23c4f0 00   A  0   0  1
  [29] .data             PROGBITS        003cbca8 56cca8 000020 00  WA  0   0  4
  [30] .eh_frame         NOBITS          003cbcc8 56ccc8 000000 00  WA  0   0  1
  [31] .gnu_extab        NOBITS          003cbcc8 56ccc8 000000 00  WA  0   0  1
  [32] .gcc_except_table NOBITS          003cbcc8 56ccc8 000000 00  WA  0   0  1
  [33] .dynamic          NOBITS          003cbcc8 56ccc8 000000 00  WA  0   0  1
  [34] .bss              NOBITS          003cbcc8 56ccc8 000030 00  WA  0   0  4
Key to Flags:
  W (write), A (alloc), X (execute), M (merge), S (strings), I (info),
  L (link order), O (extra OS processing required), G (group), T (TLS),
  C (compressed), x (unknown), o (OS specific), E (exclude),
  p (processor specific)

There are no section groups in this file.

Program Headers:
  Type           Offset   VirtAddr   PhysAddr   FileSiz MemSiz  Flg Align
  LOAD           0x3dd000 0x00000000 0x00000000 0x1f7d6 0x1f7d6 R E 0x1000
  LOAD           0x3fd000 0x00020000 0x00020000 0x16f7b8 0x3abca8 R   0x1000
  LOAD           0x56cca8 0x003cbca8 0x003cbca8 0x00020 0x00020 RW  0x1000
  LOAD           0x56ccc8 0x003cbcc8 0x003cbcc8 0x00000 0x00030 RW  0x1000
  DYNAMIC        0x56ccc8 0x003cbcc8 0x003cbcc8 0x00000 0x00000 RW  0x1

 Section to Segment mapping:
  Segment Sections...
   00     .text
   01     .rodata .kernel_caps .debug_gdb_scripts .hash .dynsym .dynstr .rela.dyn .kernel_ioports .eh_frame .eh_frame_hdr .gcc_except_table .gnu_extab .debug_all
   02     .data
   03     .eh_frame .gnu_extab .gcc_except_table .dynamic .bss
   04     .eh_frame .gnu_extab .gcc_except_table .dynamic

userspace.ld

ENTRY(start)
OUTPUT_FORMAT(elf32-i386)

PHDRS
{
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  rodata PT_LOAD FLAGS(4) /* Read */;
  data   PT_LOAD FLAGS(6) /* Read | Write */;
  bss    PT_LOAD FLAGS(6) /* Read | Write noalloc */;
  dyn    PT_DYNAMIC;
}

SECTIONS
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  .text : {
    __text_start = .;
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    *(.text.exit .text.exit.*)
    *(.text.startup .text.startup.*)
    *(.text.hot .text.hot.*)
    *(.text .stub .text.* .gnu.linkonce.t.*)
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  .hash : { *(.hash) } :rodata
  .dynsym : { *(.dynsym .dynsym.*) } :rodata
  .dynstr : { *(.dynstr .dynstr.*) } :rodata
  .rela.dyn : { *(.rela.dyn) } :rodata

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  .debug_all : {
    __debug_info_start = .;
    . += SIZEOF(.debug_info);
    __debug_info_end = .;
    __debug_abbrev_start = .;
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    __debug_abbrev_end = .;
    __debug_str_start = .;
    . += SIZEOF(.debug_str);
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    __debug_ranges_end = .;
    __debug_rnglists_start = .;
    . += SIZEOF(.debug_rnglists);
    __debug_rnglists_end = .;
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  .data : {
    *(.data .data.*)
    *(.got .got.*)
    *(.got.plt .got.plt.*)
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    HIDDEN(__eh_frame_start = .);
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  .gnu_extab : ONLY_IF_RW { *(.gnu_extab*) } :data
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  .dynamic : {
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   BSS_START = .;
   *(.dynbss)
   *(.bss .bss.* .gnu.linkonce.b.*)
   *(COMMON)

   /* Align here to ensure that the .bss section occupies space up to
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      FIXME: Why do we need it? When there is no .bss section, we don't
      pad the .data section.  */
   . = ALIGN(. != 0 ? 64 / 8 : 1);

   BSS_END = .;
  } :bss

  /* Kernel caps and ioports access control */
  .kernel_caps : {
    KEEP(*(.kernel_caps .kernel_caps.*))
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  .kernel_ioports : {
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  /* Stabs debugging sections.  */
  .stab          0 : { *(.stab) }
  .stabstr       0 : { *(.stabstr) }
  .stab.excl     0 : { *(.stab.excl) }
  .stab.exclstr  0 : { *(.stab.exclstr) }
  .stab.index    0 : { *(.stab.index) }
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  .comment       0 : { *(.comment) }
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  /* DWARF 1 */
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  /* GNU DWARF 1 extensions */
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  .debug_funcnames 0 : { *(.debug_funcnames) }
  .debug_typenames 0 : { *(.debug_typenames) }
  .debug_varnames  0 : { *(.debug_varnames) }
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}