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[ARC] Add new linker emulation for nps
The arc700 nps variant uses some specific named sections to facilitate its CMEM based instructions, which operate on memory regions fixed at specific addresses. This commit adds the arclinux_nps emulation, which is based on the arclinux emulation. The new emulation uses the OTHER_SECTIONS variable in the emulation parameters script to provide symbols mapping to various locations in the CMEM space on nps. The accompanying test ensures that all symbols are provided at the correct address in the linker script. ld/ChangeLog: * Makefile.am: Add earclinux_nps.c target and add to ALL_EMULATION_SOURCES. * Makefile.in: Likewise, regenerated. * configure.tgt: Add arclinux_nps as an extra emulation for arc*-*-elf* and arc*-*-linux*. * emulparams/arc-nps.sh: New file. * emulparams/arclinux_nps.sh: New file. * testsuite/ld-arc/arclinux-nps.d, * testsuite/ld-arc/arclinux-nps.s: New test.
This commit is contained in:
Graham Markall
Andrew Burgess
parent
74def31dcd
commit
07ccf83cf5
13
ld/ChangeLog
13
ld/ChangeLog
@ -1,3 +1,16 @@
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2016-12-09 Graham Markall <graham.markall@embecosm.com>
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Andrew Burgess <andrew.burgess@embecosm.com>
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* Makefile.am: Add earclinux_nps.c target and add to
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ALL_EMULATION_SOURCES.
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* Makefile.in: Likewise, regenerated.
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* configure.tgt: Add arclinux_nps as an extra emulation for
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arc*-*-elf* and arc*-*-linux*.
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* emulparams/arc-nps.sh: New file.
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* emulparams/arclinux_nps.sh: New file.
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* testsuite/ld-arc/arclinux-nps.d,
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* testsuite/ld-arc/arclinux-nps.s: New test.
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2017-01-04 Dilan Palauzov <dilyan.palauzov@aegee.org>
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PR 20958
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@ -164,6 +164,7 @@ ALL_EMULATION_SOURCES = \
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earcelf.c \
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earcelf_prof.c \
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earclinux.c \
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earclinux_nps.c \
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earclinux_prof.c \
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earm_epoc_pe.c \
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earm_wince_pe.c \
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@ -731,6 +732,11 @@ earclinux.c: $(srcdir)/emulparams/arclinux.sh \
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$(ELF_DEPS) $(srcdir)/emultempl/arclinux.em \
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$(srcdir)/scripttempl/arclinux.sc ${GEN_DEPENDS}
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earclinux_nps.c: $(srcdir)/emulparams/arclinux_nps.sh \
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$(srcdir)/emulparams/arc-nps.sh \
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$(ELF_DEPS) $(srcdir)/emultempl/arclinux.em \
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$(srcdir)/scripttempl/arclinux.sc ${GEN_DEPENDS}
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earclinux_prof.c: $(srcdir)/emulparams/arclinux_prof.sh \
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$(ELF_DEPS) $(srcdir)/emultempl/arclinux.em \
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$(srcdir)/scripttempl/arclinux.sc ${GEN_DEPENDS}
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@ -533,6 +533,7 @@ ALL_EMULATION_SOURCES = \
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earcelf.c \
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earcelf_prof.c \
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earclinux.c \
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earclinux_nps.c \
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earclinux_prof.c \
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earm_epoc_pe.c \
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earm_wince_pe.c \
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@ -1142,6 +1143,7 @@ distclean-compile:
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earcelf.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earcelf_prof.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earclinux.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earclinux_nps.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earclinux_prof.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earcv2elf.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/earcv2elfx.Po@am__quote@
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@ -2294,6 +2296,11 @@ earclinux.c: $(srcdir)/emulparams/arclinux.sh \
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$(ELF_DEPS) $(srcdir)/emultempl/arclinux.em \
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$(srcdir)/scripttempl/arclinux.sc ${GEN_DEPENDS}
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earclinux_nps.c: $(srcdir)/emulparams/arclinux_nps.sh \
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$(srcdir)/emulparams/arc-nps.sh \
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$(ELF_DEPS) $(srcdir)/emultempl/arclinux.em \
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$(srcdir)/scripttempl/arclinux.sc ${GEN_DEPENDS}
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earclinux_prof.c: $(srcdir)/emulparams/arclinux_prof.sh \
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$(ELF_DEPS) $(srcdir)/emultempl/arclinux.em \
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$(srcdir)/scripttempl/arclinux.sc ${GEN_DEPENDS}
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@ -78,10 +78,10 @@ alpha*-*-openbsd*) targ_emul=elf64alpha ;;
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alpha*-*-*vms*) targ_emul=alphavms
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;;
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arc*-*-elf*) targ_emul=arcelf
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targ_extra_emuls="arcelf_prof arclinux arclinux_prof arcv2elf arcv2elfx"
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targ_extra_emuls="arcelf_prof arclinux arclinux_nps arclinux_prof arcv2elf arcv2elfx"
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;;
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arc*-*-linux*) targ_emul=arclinux
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targ_extra_emuls="arclinux_prof arcelf arcelf_prof arcv2elf arcv2elfx"
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targ_extra_emuls="arclinux_nps arclinux_prof arcelf arcelf_prof arcv2elf arcv2elfx"
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;;
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arm-epoc-pe) targ_emul=arm_epoc_pe ; targ_extra_ofiles="deffilep.o pe-dll.o" ;;
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arm*-*-cegcc*) targ_emul=arm_wince_pe ; targ_extra_ofiles="deffilep.o pe-dll.o"
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78
ld/emulparams/arc-nps.sh
Normal file
78
ld/emulparams/arc-nps.sh
Normal file
@ -0,0 +1,78 @@
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OTHER_SECTIONS="
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/* Start of symbols and sections required to support CMEM instructions
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on NPS targets. */
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PROVIDE (_cmem_start = ADDR (.cmem) );
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PROVIDE (_cmem_alter_start = ADDR (.cmem_alter) );
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PROVIDE (_cmem_shared_start = ADDR (.cmem_shared) );
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PROVIDE (_cmem_shared_alter_start = ADDR (.cmem_shared_alter) );
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PROVIDE (_fmt_slot0_start = ADDR (.fmt_slot0) );
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PROVIDE (_fmt_slot1_start = ADDR (.fmt_slot1) );
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PROVIDE (_fmt_slot2_start = ADDR (.fmt_slot2) );
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PROVIDE (_fmt_slot3_start = ADDR (.fmt_slot3) );
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PROVIDE (_fmt_slot4_start = ADDR (.fmt_slot4) );
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PROVIDE (_fmt_slot5_start = ADDR (.fmt_slot5) );
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PROVIDE (_fmt_slot6_start = ADDR (.fmt_slot6) );
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PROVIDE (_fmt_slot7_start = ADDR (.fmt_slot7) );
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PROVIDE (_fmt_slot8_start = ADDR (.fmt_slot8) );
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PROVIDE (_fmt_slot9_start = ADDR (.fmt_slot9) );
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PROVIDE (_fmt_slot10_start = ADDR (.fmt_slot10) );
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PROVIDE (_fmt_slot11_start = ADDR (.fmt_slot11) );
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PROVIDE (_fmt_slot12_start = ADDR (.fmt_slot12) );
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PROVIDE (_fmt_slot13_start = ADDR (.fmt_slot13) );
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PROVIDE (_fmt_slot14_start = ADDR (.fmt_slot14) );
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PROVIDE (_fmt_slot15_start = ADDR (.fmt_slot15) );
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PROVIDE (_cmem_end = ADDR (.cmem) + SIZEOF (.cmem) );
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PROVIDE (_cmem_alter_end = ADDR (.cmem_alter) + SIZEOF (.cmem_alter) );
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PROVIDE (_cmem_shared_end = ADDR (.cmem_shared) + SIZEOF (.cmem_shared) );
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PROVIDE (_cmem_shared_alter_end = ADDR (.cmem_shared_alter) + SIZEOF (.cmem_shared_alter) );
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PROVIDE (_fmt_slot0_end = ADDR (.fmt_slot0) + SIZEOF (.fmt_slot0) );
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PROVIDE (_fmt_slot1_end = ADDR (.fmt_slot1) + SIZEOF (.fmt_slot1) );
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PROVIDE (_fmt_slot2_end = ADDR (.fmt_slot2) + SIZEOF (.fmt_slot2) );
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PROVIDE (_fmt_slot3_end = ADDR (.fmt_slot3) + SIZEOF (.fmt_slot3) );
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PROVIDE (_fmt_slot4_end = ADDR (.fmt_slot4) + SIZEOF (.fmt_slot4) );
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PROVIDE (_fmt_slot5_end = ADDR (.fmt_slot5) + SIZEOF (.fmt_slot5) );
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PROVIDE (_fmt_slot6_end = ADDR (.fmt_slot6) + SIZEOF (.fmt_slot6) );
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PROVIDE (_fmt_slot7_end = ADDR (.fmt_slot7) + SIZEOF (.fmt_slot7) );
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PROVIDE (_fmt_slot8_end = ADDR (.fmt_slot8) + SIZEOF (.fmt_slot8) );
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PROVIDE (_fmt_slot9_end = ADDR (.fmt_slot9) + SIZEOF (.fmt_slot9) );
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PROVIDE (_fmt_slot10_end = ADDR (.fmt_slot10) + SIZEOF (.fmt_slot10) );
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PROVIDE (_fmt_slot11_end = ADDR (.fmt_slot11) + SIZEOF (.fmt_slot11) );
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PROVIDE (_fmt_slot12_end = ADDR (.fmt_slot12) + SIZEOF (.fmt_slot12) );
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PROVIDE (_fmt_slot13_end = ADDR (.fmt_slot13) + SIZEOF (.fmt_slot13) );
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PROVIDE (_fmt_slot14_end = ADDR (.fmt_slot14) + SIZEOF (.fmt_slot14) );
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PROVIDE (_fmt_slot15_end = ADDR (.fmt_slot15) + SIZEOF (.fmt_slot15) );
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OVERLAY 0x57f00000 :
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{
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.cmem { *(.cmem) }
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.cmem_alter { *(.cmem_alter) }
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}
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OVERLAY 0x57f08000 :
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{
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.cmem_shared { *(.cmem_shared) }
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.cmem_shared_alter { *(.cmem_shared_alter) }
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}
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.fmt_slot0 0x58000000 : { *(.fmt_slot0) }
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.fmt_slot1 0x58800000 : { *(.fmt_slot1) }
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.fmt_slot2 0x59000000 : { *(.fmt_slot2) }
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.fmt_slot3 0x59800000 : { *(.fmt_slot3) }
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.fmt_slot4 0x5a000000 : { *(.fmt_slot4) }
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.fmt_slot5 0x5a800000 : { *(.fmt_slot5) }
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.fmt_slot6 0x5b000000 : { *(.fmt_slot6) }
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.fmt_slot7 0x5b800000 : { *(.fmt_slot7) }
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.fmt_slot8 0x5c000000 : { *(.fmt_slot8) }
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.fmt_slot9 0x5c800000 : { *(.fmt_slot9) }
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.fmt_slot10 0x5d000000 : { *(.fmt_slot10) }
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.fmt_slot11 0x5d800000 : { *(.fmt_slot11) }
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.fmt_slot12 0x5e000000 : { *(.fmt_slot12) }
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.fmt_slot13 0x5e800000 : { *(.fmt_slot13) }
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.fmt_slot14 0x5f000000 : { *(.fmt_slot14) }
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.fmt_slot15 0x5f800000 : { *(.fmt_slot15) }
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/* End of nps specific sections and symbols. */
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${OTHER_SECTIONS}"
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3
ld/emulparams/arclinux_nps.sh
Normal file
3
ld/emulparams/arclinux_nps.sh
Normal file
@ -0,0 +1,3 @@
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. ${srcdir}/emulparams/arclinux.sh
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# Extend the OTHER_SECTIONS for nps.
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. ${srcdir}/emulparams/arc-nps.sh
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50
ld/testsuite/ld-arc/arclinux-nps.d
Normal file
50
ld/testsuite/ld-arc/arclinux-nps.d
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@ -0,0 +1,50 @@
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#source: arclinux-nps.s
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#as: -mnps400
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#ld: -marclinux_nps
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#objdump: -dr
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.*: +file format .*arc.*
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Disassembly of section .text:
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[0-9a-f]+ <.*>:
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[0-9a-f]+: 200a 0f80 57f0 0000 mov r0,0x57f00000
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[0-9a-f]+: 200a 0f80 57f0 0000 mov r0,0x57f00000
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[0-9a-f]+: 200a 0f80 57f0 8000 mov r0,0x57f08000
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[0-9a-f]+: 200a 0f80 57f0 8000 mov r0,0x57f08000
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[0-9a-f]+: 200a 0f80 5800 0000 mov r0,0x58000000
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[0-9a-f]+: 200a 0f80 5880 0000 mov r0,0x58800000
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[0-9a-f]+: 200a 0f80 5900 0000 mov r0,0x59000000
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[0-9a-f]+: 200a 0f80 5980 0000 mov r0,0x59800000
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[0-9a-f]+: 200a 0f80 5a00 0000 mov r0,0x5a000000
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[0-9a-f]+: 200a 0f80 5a80 0000 mov r0,0x5a800000
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[0-9a-f]+: 200a 0f80 5b00 0000 mov r0,0x5b000000
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[0-9a-f]+: 200a 0f80 5b80 0000 mov r0,0x5b800000
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[0-9a-f]+: 200a 0f80 5c00 0000 mov r0,0x5c000000
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[0-9a-f]+: 200a 0f80 5c80 0000 mov r0,0x5c800000
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[0-9a-f]+: 200a 0f80 5d00 0000 mov r0,0x5d000000
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[0-9a-f]+: 200a 0f80 5d80 0000 mov r0,0x5d800000
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[0-9a-f]+: 200a 0f80 5e00 0000 mov r0,0x5e000000
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[0-9a-f]+: 200a 0f80 5e80 0000 mov r0,0x5e800000
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[0-9a-f]+: 200a 0f80 5f00 0000 mov r0,0x5f000000
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[0-9a-f]+: 200a 0f80 5f80 0000 mov r0,0x5f800000
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[0-9a-f]+: 200a 0f80 57f0 0000 mov r0,0x57f00000
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[0-9a-f]+: 200a 0f80 57f0 0000 mov r0,0x57f00000
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[0-9a-f]+: 200a 0f80 57f0 8000 mov r0,0x57f08000
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[0-9a-f]+: 200a 0f80 57f0 8000 mov r0,0x57f08000
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[0-9a-f]+: 200a 0f80 5800 0000 mov r0,0x58000000
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[0-9a-f]+: 200a 0f80 5880 0000 mov r0,0x58800000
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[0-9a-f]+: 200a 0f80 5900 0000 mov r0,0x59000000
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[0-9a-f]+: 200a 0f80 5980 0000 mov r0,0x59800000
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[0-9a-f]+: 200a 0f80 5a00 0000 mov r0,0x5a000000
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[0-9a-f]+: 200a 0f80 5a80 0000 mov r0,0x5a800000
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[0-9a-f]+: 200a 0f80 5b00 0000 mov r0,0x5b000000
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[0-9a-f]+: 200a 0f80 5b80 0000 mov r0,0x5b800000
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[0-9a-f]+: 200a 0f80 5c00 0000 mov r0,0x5c000000
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[0-9a-f]+: 200a 0f80 5c80 0000 mov r0,0x5c800000
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[0-9a-f]+: 200a 0f80 5d00 0000 mov r0,0x5d000000
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[0-9a-f]+: 200a 0f80 5d80 0000 mov r0,0x5d800000
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[0-9a-f]+: 200a 0f80 5e00 0000 mov r0,0x5e000000
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[0-9a-f]+: 200a 0f80 5e80 0000 mov r0,0x5e800000
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[0-9a-f]+: 200a 0f80 5f00 0000 mov r0,0x5f000000
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[0-9a-f]+: 200a 0f80 5f80 0000 mov r0,0x5f800000
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46
ld/testsuite/ld-arc/arclinux-nps.s
Normal file
46
ld/testsuite/ld-arc/arclinux-nps.s
Normal file
@ -0,0 +1,46 @@
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.text
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.global __start
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__start:
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mov r0, _cmem_start
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mov r0, _cmem_alter_start
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mov r0, _cmem_shared_start
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mov r0, _cmem_shared_alter_start
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mov r0, _fmt_slot0_start
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mov r0, _fmt_slot1_start
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mov r0, _fmt_slot2_start
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mov r0, _fmt_slot3_start
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mov r0, _fmt_slot4_start
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mov r0, _fmt_slot5_start
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mov r0, _fmt_slot6_start
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mov r0, _fmt_slot7_start
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mov r0, _fmt_slot8_start
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mov r0, _fmt_slot9_start
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mov r0, _fmt_slot10_start
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mov r0, _fmt_slot11_start
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mov r0, _fmt_slot12_start
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mov r0, _fmt_slot13_start
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mov r0, _fmt_slot14_start
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mov r0, _fmt_slot15_start
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mov r0, _cmem_end
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mov r0, _cmem_alter_end
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mov r0, _cmem_shared_end
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mov r0, _cmem_shared_alter_end
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mov r0, _fmt_slot0_end
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mov r0, _fmt_slot1_end
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mov r0, _fmt_slot2_end
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mov r0, _fmt_slot3_end
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mov r0, _fmt_slot4_end
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mov r0, _fmt_slot5_end
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mov r0, _fmt_slot6_end
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mov r0, _fmt_slot7_end
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mov r0, _fmt_slot8_end
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mov r0, _fmt_slot9_end
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mov r0, _fmt_slot10_end
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mov r0, _fmt_slot11_end
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mov r0, _fmt_slot12_end
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mov r0, _fmt_slot13_end
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mov r0, _fmt_slot14_end
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mov r0, _fmt_slot15_end
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