Define various symbols conditionally in shared libraries

[deliverable/binutils-gdb.git] / ld / emulparams / aarch64elf32.sh

diff --git a/ld/emulparams/aarch64elf32.sh b/ld/emulparams/aarch64elf32.sh
index f85c9ffd187db416c46df2814d32043ba42c88c6..38bcd4bbb0df3d0a25fb92072d520ff0f8b0581f 100644 (file)
--- a/ld/emulparams/aarch64elf32.sh
+++ b/ld/emulparams/aarch64elf32.sh
@@ -1,6 +1,6 @@
 ARCH="aarch64:ilp32"
 MACHINE=
-NOP=0
+NOP=0x1f2003d5
 
 SCRIPT_NAME=elf
 ELFSIZE=32
@@ -13,6 +13,8 @@ TEMPLATE_NAME=elf32
 EXTRA_EM_FILE=aarch64elf
 
 GENERATE_SHLIB_SCRIPT=yes
+GENERATE_PIE_SCRIPT=yes
+
 MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
 
 ENTRY=_start
@@ -21,14 +23,14 @@ SEPARATE_GOTPLT=12
 IREL_IN_PLT=
 TEXT_START_ADDR=0x00400000
 
-DATA_START_SYMBOLS='__data_start = . ;';
+DATA_START_SYMBOLS="${CREATE_SHLIB+PROVIDE (}__data_start = .${CREATE_SHLIB+)};"
 
 # AArch64 does not support .s* sections.
 NO_SMALL_DATA=yes
 
-OTHER_BSS_SYMBOLS='__bss_start__ = .;'
-OTHER_BSS_END_SYMBOLS='_bss_end__ = . ; __bss_end__ = . ;'
-OTHER_END_SYMBOLS='__end__ = . ;'
+OTHER_BSS_SYMBOLS="${CREATE_SHLIB+PROVIDE (}__bss_start__ = .${CREATE_SHLIB+)};"
+OTHER_BSS_END_SYMBOLS="${CREATE_SHLIB+PROVIDE (}_bss_end__ = .${CREATE_SHLIB+)}; ${CREATE_SHLIB+PROVIDE (}__bss_end__ = .${CREATE_SHLIB+)};"
+OTHER_END_SYMBOLS="${CREATE_SHLIB+PROVIDE (}__end__ = .${CREATE_SHLIB+)};"
 
 OTHER_SECTIONS='.note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }'
 ATTRS_SECTIONS='.ARM.attributes 0 : { KEEP (*(.ARM.attributes)) KEEP (*(.gnu.attributes)) }'