ld: Add --enable-textrel-check=[no|yes|warning|error]

[deliverable/binutils-gdb.git] / ld / emulparams / elf32bmip.sh

diff --git a/ld/emulparams/elf32bmip.sh b/ld/emulparams/elf32bmip.sh
index fa7d671ffdf7f67fc500436565dd97753cd42c8d..992d45469fd49289d34e5a608817592d791c1817 100644 (file)
--- a/ld/emulparams/elf32bmip.sh
+++ b/ld/emulparams/elf32bmip.sh
@@ -1,5 +1,6 @@
 # If you change this file, please also look at files which source this one:
 # elf32b4300.sh elf32bsmip.sh elf32btsmip.sh elf32ebmip.sh elf32lmip.sh
+# elf32ebmipvxworks.sh elf32elmipvxworks.sh
 
 SCRIPT_NAME=elf
 OUTPUT_FORMAT="elf32-bigmips"
@@ -7,30 +8,72 @@ BIG_OUTPUT_FORMAT="elf32-bigmips"
 LITTLE_OUTPUT_FORMAT="elf32-littlemips"
 TEXT_START_ADDR=0x0400000
 test -n "${EMBEDDED}" || DATA_ADDR=0x10000000
-MAXPAGESIZE=0x40000
-NONPAGED_TEXT_START_ADDR=0x0400000
+MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
+COMMONPAGESIZE="CONSTANT (COMMONPAGESIZE)"
 SHLIB_TEXT_START_ADDR=0x5ffe0000
-test -n "${EMBEDDED}" || TEXT_DYNAMIC=
-INITIAL_READONLY_SECTIONS="
-  .reginfo      ${RELOCATING-0} : { *(.reginfo) }
+TEXT_DYNAMIC=
+INITIAL_READONLY_SECTIONS=
+if test -z "${CREATE_SHLIB}"; then
+  INITIAL_READONLY_SECTIONS=".interp       ${RELOCATING-0} : { *(.interp) }"
+fi
+INITIAL_READONLY_SECTIONS="${INITIAL_READONLY_SECTIONS}
+  .MIPS.abiflags ${RELOCATING-0} : { *(.MIPS.abiflags) }
+  .reginfo       ${RELOCATING-0} : { *(.reginfo) }
+  .MIPS.xhash    ${RELOCATING-0} : { *(.MIPS.xhash) }
 "
 OTHER_TEXT_SECTIONS='*(.mips16.fn.*) *(.mips16.call.*)'
-OTHER_GOT_SYMBOLS='
-  _gp = ALIGN(16) + 0x7ff0;
-'
+# Unlike most targets, the MIPS backend puts all dynamic relocations
+# in a single dynobj section, which it also calls ".rel.dyn".  It does
+# this so that it can easily sort all dynamic relocations before the
+# output section has been populated.
+OTHER_GOT_RELOC_SECTIONS="
+  .rel.dyn      ${RELOCATING-0} : { *(.rel.dyn) }
+"
+# If the output has a GOT section, there must be exactly 0x7ff0 bytes
+# between .got and _gp.
+OTHER_GOT_SYMBOLS='HIDDEN (_gp = ALIGN (16) + 0x7ff0);'
+
+# .got.plt is only used for the PLT psABI extension.  It should not be
+# included in the .sdata block with .got, as there is no need to access
+# the section from _gp.  Note that the traditional:
+#
+#      . = .
+#      _gp = ALIGN (16) + 0x7ff0;
+#      .got : { *(.got.plt) *(.got) }
+#
+# would set _gp to the wrong value; _gp - 0x7ff0 must point to the start
+# of *(.got).
+GOT=".got          ${RELOCATING-0} : { *(.got) }"
+unset OTHER_READWRITE_SECTIONS
+unset OTHER_RELRO_SECTIONS
+if test -n "$RELRO_NOW"; then
+  OTHER_RELRO_SECTIONS=".got.plt      ${RELOCATING-0} : { *(.got.plt) }"
+else
+  OTHER_READWRITE_SECTIONS=".got.plt      ${RELOCATING-0} : { *(.got.plt) }"
+fi
+
 OTHER_SDATA_SECTIONS="
   .lit8         ${RELOCATING-0} : { *(.lit8) }
   .lit4         ${RELOCATING-0} : { *(.lit4) }
 "
-TEXT_START_SYMBOLS='_ftext = . ;'
-DATA_START_SYMBOLS='_fdata = . ;'
-OTHER_BSS_SYMBOLS='_fbss = .;'
-OTHER_SECTIONS='
-  .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }
-  .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }
-'
+TEXT_START_SYMBOLS="${CREATE_SHLIB+PROVIDE (}_ftext = .${CREATE_SHLIB+)};"
+DATA_START_SYMBOLS="${CREATE_SHLIB+PROVIDE (}_fdata = .${CREATE_SHLIB+)};"
+OTHER_BSS_SYMBOLS="${CREATE_SHLIB+PROVIDE (}_fbss = .${CREATE_SHLIB+)};"
+OTHER_SECTIONS="
+  .gptab.sdata : {${RELOCATING+ *(.gptab.data)} *(.gptab.sdata) }
+  .gptab.sbss : {${RELOCATING+ *(.gptab.bss)} *(.gptab.sbss) }
+  .mdebug.abi32 0 : { KEEP(*(.mdebug.abi32)) }
+  .mdebug.abiN32 0 : { KEEP(*(.mdebug.abiN32)) }
+  .mdebug.abi64 0 : { KEEP(*(.mdebug.abi64)) }
+  .mdebug.abiO64 0 : { KEEP(*(.mdebug.abiO64)) }
+  .mdebug.eabi32 0 : { KEEP(*(.mdebug.eabi32)) }
+  .mdebug.eabi64 0 : { KEEP(*(.mdebug.eabi64)) }
+  .gcc_compiled_long32 0 : { KEEP(*(.gcc_compiled_long32)) }
+  .gcc_compiled_long64 0 : { KEEP(*(.gcc_compiled_long64)) }
+"
 ARCH=mips
 MACHINE=
-TEMPLATE_NAME=elf32
+TEMPLATE_NAME=elf
 EXTRA_EM_FILE=mipself
 GENERATE_SHLIB_SCRIPT=yes
+GENERATE_PIE_SCRIPT=yes