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PR25243, static linking with exceptions and iostream is broken on ARM

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PR 25243
	* emulparams/armelf.sh (OTHER_READONLY_SECTIONS): Move definition
	of __exidx_start and __exidx_end into ARM.exidx.
	* emulparams/armelf_linux_eabi.sh (OTHER_READONLY_SECTIONS): Likewise.
	* emulparams/armsymbian.sh (OTHER_READONLY_SECTIONS): Similarly.
	* emulparams/elf32_tic6x_le.sh (OTHER_READONLY_SECTIONS): Similarly.
	* emulparams/armelf_fuchsia.sh: Source armelf_linux_eabi.sh,
	just redefining TEXT_START_ADDR.
	* emulparams/armelf_linux_fdpiceabi.sh: Source armelf_linux_eabi.sh,
	adding to OTHER_READONLY_SECTIONS.
This commit is contained in:
Alan Modra 2019-12-05 16:40:02 +10:30
parent 1769380a11
commit 6e9ed99753
7 changed files with 42 additions and 52 deletions
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13
ld/ChangeLog
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@ -1,3 +1,16 @@
2019-12-05 Alan Modra <amodra@gmail.com>
PR 25243
* emulparams/armelf.sh (OTHER_READONLY_SECTIONS): Move definition
of __exidx_start and __exidx_end into ARM.exidx.
* emulparams/armelf_linux_eabi.sh (OTHER_READONLY_SECTIONS): Likewise.
* emulparams/armsymbian.sh (OTHER_READONLY_SECTIONS): Similarly.
* emulparams/elf32_tic6x_le.sh (OTHER_READONLY_SECTIONS): Similarly.
* emulparams/armelf_fuchsia.sh: Source armelf_linux_eabi.sh,
just redefining TEXT_START_ADDR.
* emulparams/armelf_linux_fdpiceabi.sh: Source armelf_linux_eabi.sh,
adding to OTHER_READONLY_SECTIONS.
2019-12-05 Alan Modra <amodra@gmail.com> 2019-12-05 Alan Modra <amodra@gmail.com>
PR 25244 PR 25244

9
ld/emulparams/armelf.sh
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@ -26,9 +26,12 @@ OTHER_SECTIONS='
ATTRS_SECTIONS='.ARM.attributes 0 : { KEEP (*(.ARM.attributes)) KEEP (*(.gnu.attributes)) }' ATTRS_SECTIONS='.ARM.attributes 0 : { KEEP (*(.ARM.attributes)) KEEP (*(.gnu.attributes)) }'
OTHER_READONLY_SECTIONS=" OTHER_READONLY_SECTIONS="
.ARM.extab ${RELOCATING-0} : { *(.ARM.extab${RELOCATING+* .gnu.linkonce.armextab.*}) } .ARM.extab ${RELOCATING-0} : { *(.ARM.extab${RELOCATING+* .gnu.linkonce.armextab.*}) }
${RELOCATING+ PROVIDE_HIDDEN (__exidx_start = .); } .ARM.exidx ${RELOCATING-0} :
.ARM.exidx ${RELOCATING-0} : { *(.ARM.exidx${RELOCATING+* .gnu.linkonce.armexidx.*}) } {
${RELOCATING+ PROVIDE_HIDDEN (__exidx_end = .); }" ${RELOCATING+PROVIDE_HIDDEN (__exidx_start = .);}
*(.ARM.exidx${RELOCATING+* .gnu.linkonce.armexidx.*})
${RELOCATING+PROVIDE_HIDDEN (__exidx_end = .);}
}"
DATA_START_SYMBOLS="${CREATE_SHLIB+PROVIDE (}__data_start = .${CREATE_SHLIB+)};" DATA_START_SYMBOLS="${CREATE_SHLIB+PROVIDE (}__data_start = .${CREATE_SHLIB+)};"

31
ld/emulparams/armelf_fuchsia.sh
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@ -1,32 +1,3 @@
ARCH=arm source_sh ${srcdir}/emulparams/armelf_linux_eabi.sh
SCRIPT_NAME=elf
OUTPUT_FORMAT="elf32-littlearm"
BIG_OUTPUT_FORMAT="elf32-bigarm"
LITTLE_OUTPUT_FORMAT="elf32-littlearm"
MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
COMMONPAGESIZE="CONSTANT (COMMONPAGESIZE)"
TEMPLATE_NAME=elf
EXTRA_EM_FILE=armelf
GENERATE_SHLIB_SCRIPT=yes
GENERATE_PIE_SCRIPT=yes
DATA_START_SYMBOLS='PROVIDE (__data_start = .);';
OTHER_TEXT_SECTIONS='*(.glue_7t) *(.glue_7) *(.vfp11_veneer) *(.v4_bx)'
OTHER_BSS_SYMBOLS="${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)) }'
TEXT_START_ADDR=0x00001000 TEXT_START_ADDR=0x00001000
TARGET2_TYPE=got-rel
# ARM does not support .s* sections.
NO_SMALL_DATA=yes
# Use the ARM ABI-compliant exception-handling sections.
OTHER_READONLY_SECTIONS="
.ARM.extab ${RELOCATING-0} : { *(.ARM.extab${RELOCATING+* .gnu.linkonce.armextab.*}) }
${RELOCATING+ PROVIDE_HIDDEN (__exidx_start = .); }
.ARM.exidx ${RELOCATING-0} : { *(.ARM.exidx${RELOCATING+* .gnu.linkonce.armexidx.*}) }
${RELOCATING+ PROVIDE_HIDDEN (__exidx_end = .); }"

10
ld/emulparams/armelf_linux_eabi.sh
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@ -3,7 +3,9 @@ source_sh ${srcdir}/emulparams/armelf_linux.sh
# Use the ARM ABI-compliant exception-handling sections. # Use the ARM ABI-compliant exception-handling sections.
OTHER_READONLY_SECTIONS=" OTHER_READONLY_SECTIONS="
.ARM.extab ${RELOCATING-0} : { *(.ARM.extab${RELOCATING+* .gnu.linkonce.armextab.*}) } .ARM.extab ${RELOCATING-0} : { *(.ARM.extab${RELOCATING+* .gnu.linkonce.armextab.*}) }
${RELOCATING+ PROVIDE_HIDDEN (__exidx_start = .); } .ARM.exidx ${RELOCATING-0} :
.ARM.exidx ${RELOCATING-0} : { *(.ARM.exidx${RELOCATING+* .gnu.linkonce.armexidx.*}) } {
${RELOCATING+ PROVIDE_HIDDEN (__exidx_end = .); }" ${RELOCATING+PROVIDE_HIDDEN (__exidx_start = .);}
*(.ARM.exidx${RELOCATING+* .gnu.linkonce.armexidx.*})
${RELOCATING+PROVIDE_HIDDEN (__exidx_end = .);}
}"

9
ld/emulparams/armelf_linux_fdpiceabi.sh
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@ -1,15 +1,10 @@
source_sh ${srcdir}/emulparams/armelf_linux.sh source_sh ${srcdir}/emulparams/armelf_linux_eabi.sh
OUTPUT_FORMAT="elf32-littlearm-fdpic" OUTPUT_FORMAT="elf32-littlearm-fdpic"
BIG_OUTPUT_FORMAT="elf32-bigarm-fdpic" BIG_OUTPUT_FORMAT="elf32-bigarm-fdpic"
LITTLE_OUTPUT_FORMAT="elf32-littlearm-fdpic" LITTLE_OUTPUT_FORMAT="elf32-littlearm-fdpic"
# Use the ARM ABI-compliant exception-handling sections. OTHER_READONLY_SECTIONS="${OTHER_READONLY_SECTIONS}
OTHER_READONLY_SECTIONS="
.ARM.extab ${RELOCATING-0} : { *(.ARM.extab${RELOCATING+* .gnu.linkonce.armextab.*}) }
${RELOCATING+ PROVIDE_HIDDEN (__exidx_start = .); }
.ARM.exidx ${RELOCATING-0} : { *(.ARM.exidx${RELOCATING+* .gnu.linkonce.armexidx.*}) }
${RELOCATING+ PROVIDE_HIDDEN (__exidx_end = .); }
.rofixup : { .rofixup : {
${RELOCATING+__ROFIXUP_LIST__ = .;} ${RELOCATING+__ROFIXUP_LIST__ = .;}
*(.rofixup) *(.rofixup)

13
ld/emulparams/armsymbian.sh
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@ -13,10 +13,13 @@ EMBEDDED=yes
# .ARM.exidx$${Base,Limit} symbols. # .ARM.exidx$${Base,Limit} symbols.
OTHER_READONLY_SECTIONS=" OTHER_READONLY_SECTIONS="
.ARM.extab ${RELOCATING-0} : { *(.ARM.extab${RELOCATING+* .gnu.linkonce.armextab.*}) } .ARM.extab ${RELOCATING-0} : { *(.ARM.extab${RELOCATING+* .gnu.linkonce.armextab.*}) }
${RELOCATING+ PROVIDE_HIDDEN (.ARM.exidx\$\$Base = .); } .ARM.exidx ${RELOCATING-0} :
${RELOCATING+ PROVIDE_HIDDEN (__exidx_start = .); } {
.ARM.exidx ${RELOCATING-0} : { *(.ARM.exidx${RELOCATING+* .gnu.linkonce.armexidx.*}) } ${RELOCATING+PROVIDE_HIDDEN (.ARM.exidx\$\$Base = .);}
${RELOCATING+ PROVIDE_HIDDEN (__exidx_end = .); } ${RELOCATING+PROVIDE_HIDDEN (__exidx_start = .);}
${RELOCATING+ PROVIDE_HIDDEN (.ARM.exidx\$\$Limit = .); }" *(.ARM.exidx${RELOCATING+* .gnu.linkonce.armexidx.*})
${RELOCATING+PROVIDE_HIDDEN (__exidx_end = .);}
${RELOCATING+PROVIDE_HIDDEN (.ARM.exidx\$\$Limit = .);}
}"
MAXPAGESIZE="CONSTANT (MAXPAGESIZE)" MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"

9
ld/emulparams/elf32_tic6x_le.sh
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@ -32,9 +32,12 @@ SBSS_NAME="bss"
BSS_NAME="far" BSS_NAME="far"
OTHER_READONLY_SECTIONS=" OTHER_READONLY_SECTIONS="
.c6xabi.extab ${RELOCATING-0} : { *(.c6xabi.extab${RELOCATING+* .gnu.linkonce.c6xabiextab.*}) } .c6xabi.extab ${RELOCATING-0} : { *(.c6xabi.extab${RELOCATING+* .gnu.linkonce.c6xabiextab.*}) }
${RELOCATING+ PROVIDE_HIDDEN (__exidx_start = .); } .c6xabi.exidx ${RELOCATING-0} :
.c6xabi.exidx ${RELOCATING-0} : { *(.c6xabi.exidx${RELOCATING+* .gnu.linkonce.c6xabiexidx.*}) } {
${RELOCATING+ PROVIDE_HIDDEN (__exidx_end = .); }" ${RELOCATING+PROVIDE_HIDDEN (__exidx_start = .);}
*(.c6xabi.exidx${RELOCATING+* .gnu.linkonce.c6xabiexidx.*})
${RELOCATING+PROVIDE_HIDDEN (__exidx_end = .);}
}"
OTHER_SDATA_SECTIONS=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.*}) }" OTHER_SDATA_SECTIONS=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.*}) }"
OTHER_READONLY_RELOC_SECTIONS=" OTHER_READONLY_RELOC_SECTIONS="
.rel.rodata ${RELOCATING-0} : { *(.rel.rodata${RELOCATING+ .rel.rodata.*}) } .rel.rodata ${RELOCATING-0} : { *(.rel.rodata${RELOCATING+ .rel.rodata.*}) }