elf32bmip.sh revision 1.3 
1# If you change this file, please also look at files which source this one:
2# elf32b4300.sh elf32bsmip.sh elf32btsmip.sh elf32ebmip.sh elf32lmip.sh
3# elf32ebmipvxworks.sh elf32elmipvxworks.sh
4
5SCRIPT_NAME=elf
6OUTPUT_FORMAT="elf32-bigmips"
7BIG_OUTPUT_FORMAT="elf32-bigmips"
8LITTLE_OUTPUT_FORMAT="elf32-littlemips"
9TEXT_START_ADDR=0x0400000
10test -n "${EMBEDDED}" || DATA_ADDR=0x10000000
11MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
12COMMONPAGESIZE="CONSTANT (COMMONPAGESIZE)"
13SHLIB_TEXT_START_ADDR=0x5ffe0000
14TEXT_DYNAMIC=
15INITIAL_READONLY_SECTIONS=
16if test -z "${CREATE_SHLIB}"; then
17  INITIAL_READONLY_SECTIONS=".interp       ${RELOCATING-0} : { *(.interp) }"
18fi
19INITIAL_READONLY_SECTIONS="${INITIAL_READONLY_SECTIONS}
20  .MIPS.abiflags ${RELOCATING-0} : { *(.MIPS.abiflags) }
21  .reginfo       ${RELOCATING-0} : { *(.reginfo) }
22"
23OTHER_TEXT_SECTIONS='*(.mips16.fn.*) *(.mips16.call.*)'
24# Unlike most targets, the MIPS backend puts all dynamic relocations
25# in a single dynobj section, which it also calls ".rel.dyn".  It does
26# this so that it can easily sort all dynamic relocations before the
27# output section has been populated.
28OTHER_GOT_RELOC_SECTIONS="
29  .rel.dyn      ${RELOCATING-0} : { *(.rel.dyn) }
30"
31# If the output has a GOT section, there must be exactly 0x7ff0 bytes
32# between .got and _gp.  The ". = ." below stops the orphan code from
33# inserting other sections between the assignment to _gp and the start
34# of .got.
35OTHER_GOT_SYMBOLS='
36  . = .;
37  HIDDEN (_gp = ALIGN (16) + 0x7ff0);
38'
39# .got.plt is only used for the PLT psABI extension.  It should not be
40# included in the .sdata block with .got, as there is no need to access
41# the section from _gp.  Note that the traditional:
42#
43#      . = .
44#      _gp = ALIGN (16) + 0x7ff0;
45#      .got : { *(.got.plt) *(.got) }
46#
47# would set _gp to the wrong value; _gp - 0x7ff0 must point to the start
48# of *(.got).
49GOT=".got          ${RELOCATING-0} : { *(.got) }"
50unset OTHER_READWRITE_SECTIONS
51unset OTHER_RELRO_SECTIONS
52if test -n "$RELRO_NOW"; then
53  OTHER_RELRO_SECTIONS=".got.plt      ${RELOCATING-0} : { *(.got.plt) }"
54else
55  OTHER_READWRITE_SECTIONS=".got.plt      ${RELOCATING-0} : { *(.got.plt) }"
56fi
57
58OTHER_SDATA_SECTIONS="
59  .lit8         ${RELOCATING-0} : { *(.lit8) }
60  .lit4         ${RELOCATING-0} : { *(.lit4) }
61"
62TEXT_START_SYMBOLS='_ftext = . ;'
63DATA_START_SYMBOLS='_fdata = . ;'
64OTHER_BSS_SYMBOLS='_fbss = .;'
65OTHER_SECTIONS='
66  .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }
67  .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }
68  .mdebug.abi32 0 : { KEEP(*(.mdebug.abi32)) }
69  .mdebug.abiN32 0 : { KEEP(*(.mdebug.abiN32)) }
70  .mdebug.abi64 0 : { KEEP(*(.mdebug.abi64)) }
71  .mdebug.abiO64 0 : { KEEP(*(.mdebug.abiO64)) }
72  .mdebug.eabi32 0 : { KEEP(*(.mdebug.eabi32)) }
73  .mdebug.eabi64 0 : { KEEP(*(.mdebug.eabi64)) }
74  .gcc_compiled_long32 0 : { KEEP(*(.gcc_compiled_long32)) }
75  .gcc_compiled_long64 0 : { KEEP(*(.gcc_compiled_long64)) }
76'
77ARCH=mips
78MACHINE=
79TEMPLATE_NAME=elf32
80EXTRA_EM_FILE=mipself
81GENERATE_SHLIB_SCRIPT=yes
82GENERATE_PIE_SCRIPT=yes
83