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PATCH: ARM EABI GNU/Linux
- From: Mark Mitchell <mark at codesourcery dot com>
- To: binutils at sources dot redhat dot com
- Date: Fri, 19 Nov 2004 10:29:16 -0800
- Subject: PATCH: ARM EABI GNU/Linux
- Reply-to: mark at codesourcery dot com
We're working on adding support for the ABI for the ARM Architecture
to GNU/Linux. Here's a basic linker patch to add support for
arm-none-linux-gnueabi. OK?
--
Mark Mitchell
CodeSourcery, LLC
mark@codesourcery.com
2004-11-19 Mark Mitchell <mark@codesourcery.com>
* Makefile.am (ALL_EMULATIONS): Add earmelf_linux_eabi.o.
(earmelf_linux_eabi.c): New target.
* configure.tgt (arm*-*-linux-gnueabi): Handle it.
* emulparams/armelf_linux_eabi.sh: New file.
* Makefile.in: Regenerated.
Index: ld/Makefile.am
===================================================================
RCS file: /cvs/src/src/ld/Makefile.am,v
retrieving revision 1.164
diff -c -5 -p -r1.164 Makefile.am
*** ld/Makefile.am 8 Nov 2004 13:17:26 -0000 1.164
--- ld/Makefile.am 19 Nov 2004 18:24:56 -0000
*************** ALL_EMULATIONS = \
*** 119,128 ****
--- 119,129 ----
earmcoff.o \
earmelf.o \
earmelfb.o \
earmelf_fbsd.o \
earmelf_linux.o \
+ earmelf_linux_eabi.o \
earmelfb_linux.o \
earmelf_nbsd.o \
earmelfb_nbsd.o \
earmnto.o \
earmnbsd.o \
*************** earmelf_fbsd.c: $(srcdir)/emulparams/arm
*** 494,503 ****
--- 495,509 ----
${GENSCRIPTS} armelf_fbsd "$(tdir_armelf_fbsd)"
earmelf_linux.c: $(srcdir)/emulparams/armelf_linux.sh \
$(srcdir)/emultempl/elf32.em $(srcdir)/emultempl/armelf.em \
$(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} armelf_linux "$(tdir_armelf_linux)"
+ earmelf_linux_eabi.c: $(srcdir)/emulparams/armelf_linux_eabi.sh \
+ $(srcdir)/emulparams/armelf_linux.sh \
+ $(srcdir)/emultempl/elf32.em $(srcdir)/emultempl/armelf.em \
+ $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+ ${GENSCRIPTS} armelf_linux_eabi "$(tdir_armelf_linux_abi)"
earmelfb_linux.c: $(srcdir)/emulparams/armelfb_linux.sh \
$(srcdir)/emulparams/armelf_linux.sh \
$(srcdir)/emultempl/elf32.em $(srcdir)/emultempl/armelf.em \
$(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} armelfb_linux "$(tdir_armelfb_linux)"
Index: ld/configure.tgt
===================================================================
RCS file: /cvs/src/src/ld/configure.tgt,v
retrieving revision 1.159
diff -c -5 -p -r1.159 configure.tgt
*** ld/configure.tgt 8 Nov 2004 13:17:27 -0000 1.159
--- ld/configure.tgt 19 Nov 2004 18:24:57 -0000
*************** arm-*-elf | arm-*-vxworks | arm*-*-eabi*
*** 261,270 ****
--- 261,271 ----
targ_emul=armelf ;;
arm*-*-symbianelf*) targ_emul=armsymbian;;
arm-*-kaos*) targ_emul=armelf ;;
arm9e-*-elf) targ_emul=armelf ;;
arm*b-*-linux-gnu*) targ_emul=armelfb_linux; targ_extra_emuls=armelfb ;;
+ arm*-*-linux-gnueabi) targ_emul=armelf_linux_eabi ;;
arm*-*-linux-gnu*) targ_emul=armelf_linux; targ_extra_emuls=armelf ;;
arm*-*-uclinux*) targ_emul=armelf_linux; targ_extra_emuls=armelf ;;
arm*-*-conix*) targ_emul=armelf ;;
thumb-*-linux-gnu* | thumb-*-uclinux*) targ_emul=armelf_linux; targ_extra_emuls=armelf ;;
strongarm-*-coff) targ_emul=armcoff ;;
Index: ld/emulparams/armelf_linux_eabi.sh
===================================================================
RCS file: ld/emulparams/armelf_linux_eabi.sh
diff -N ld/emulparams/armelf_linux_eabi.sh
*** /dev/null 1 Jan 1970 00:00:00 -0000
--- ld/emulparams/armelf_linux_eabi.sh 19 Nov 2004 18:24:57 -0000
***************
*** 0 ****
--- 1,9 ----
+ . ${srcdir}/emulparams/armelf_linux.sh
+
+ # Use the ARM ABI-compliant exception-handling sections.
+ OTHER_READONLY_SECTIONS="
+ .ARM.extab ${RELOCATING-0} : { *(.ARM.extab${RELOCATING+* .gnu.linkonce.armextab.*}) }
+ ${RELOCATING+ __exidx_start = .; }
+ .ARM.exidx ${RELOCATING-0} : { *(.ARM.exidx${RELOCATING+* .gnu.linkonce.armexidx.*}) }
+ ${RELOCATING+ __exidx_end = .; }"
+