From e09a710638e62112ae23964e45948bc5ef7bc3d6 Mon Sep 17 00:00:00 2001 From: Stan Cox Date: Sat, 4 Jan 2003 02:04:44 +0000 Subject: [PATCH] * Makefile.am (ALL_EMULATIONS): Add eelf32iq2000.o. (eelf32iq2000.c): New target. * Makefile.in: Regenerate. * configure.tgt: Handle iq2000-*-elf. * emulparams/elf32iq10.sh: New file. * emulparams/elf32iq2000.sh: New file. * scripttempl/iq2000.sc: New file. --- ld/ChangeLog | 10 + ld/Makefile.am | 8 + ld/Makefile.in | 11 + ld/configure.tgt | 1 + ld/emulparams/elf32iq10.sh | 11 + ld/emulparams/elf32iq2000.sh | 14 ++ ld/scripttempl/iq2000.sc | 443 +++++++++++++++++++++++++++++++++++ 7 files changed, 498 insertions(+) create mode 100755 ld/emulparams/elf32iq10.sh create mode 100755 ld/emulparams/elf32iq2000.sh create mode 100644 ld/scripttempl/iq2000.sc diff --git a/ld/ChangeLog b/ld/ChangeLog index 4f2e7f22b3..33cc77a575 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,13 @@ +2003-01-02 Ben Elliston + + * Makefile.am (ALL_EMULATIONS): Add eelf32iq2000.o. + (eelf32iq2000.c): New target. + * Makefile.in: Regenerate. + * configure.tgt: Handle iq2000-*-elf. + * emulparams/elf32iq10.sh: New file. + * emulparams/elf32iq2000.sh: New file. + * scripttempl/iq2000.sc: New file. + 2003-01-02 Charles Wilson * pe-dll.c (autofilter_symbollist): Add do_pseudo_reloc diff --git a/ld/Makefile.am b/ld/Makefile.am index 1f229ba05b..d70cc0ede9 100644 --- a/ld/Makefile.am +++ b/ld/Makefile.am @@ -166,6 +166,8 @@ ALL_EMULATIONS = \ eelf32frv.o \ eelf32i370.o \ eelf32ip2k.o \ + eelf32iq2000.o \ + eelf32iq10.o \ eelf32l4300.o \ eelf32lmip.o \ eelf32lppc.o \ @@ -700,6 +702,12 @@ eelf32i370.c: $(srcdir)/emulparams/elf32i370.sh \ eelf32ip2k.c: $(srcdir)/emulparams/elf32ip2k.sh \ $(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/ip2k.sc ${GEN_DEPENDS} ${GENSCRIPTS} elf32ip2k "$(tdir_ip2k)" +eelf32iq2000.c: $(srcdir)/emulparams/elf32iq2000.sh \ + $(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/iq2000.sc ${GEN_DEPENDS} + ${GENSCRIPTS} elf32iq2000 "$(tdir_iq2000)" +eelf32iq10.c: $(srcdir)/emulparams/elf32iq10.sh \ + $(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/iq2000.sc ${GEN_DEPENDS} + ${GENSCRIPTS} elf32iq10 "$(tdir_iq10)" eelf64alpha.c: $(srcdir)/emulparams/elf64alpha.sh \ $(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS} ${GENSCRIPTS} elf64alpha "$(tdir_elf64alpha)" diff --git a/ld/Makefile.in b/ld/Makefile.in index 4fc8815597..5aa4dc9186 100644 --- a/ld/Makefile.in +++ b/ld/Makefile.in @@ -277,6 +277,8 @@ ALL_EMULATIONS = \ eelf32frv.o \ eelf32i370.o \ eelf32ip2k.o \ + eelf32iq2000.o \ + eelf32iq10.o \ eelf32l4300.o \ eelf32lmip.o \ eelf32lppc.o \ @@ -1423,6 +1425,15 @@ eelf32i370.c: $(srcdir)/emulparams/elf32i370.sh \ eelf32ip2k.c: $(srcdir)/emulparams/elf32ip2k.sh \ $(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/ip2k.sc ${GEN_DEPENDS} ${GENSCRIPTS} elf32ip2k "$(tdir_ip2k)" +eelf32ip2k.c: $(srcdir)/emulparams/elf32ip2k.sh \ + $(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/ip2k.sc ${GEN_DEPENDS} + ${GENSCRIPTS} elf32ip2k "$(tdir_ip2k)" +eelf32iq2000.c: $(srcdir)/emulparams/elf32iq2000.sh \ + $(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/iq2000.sc ${GEN_DEPENDS} + ${GENSCRIPTS} elf32iq2000 "$(tdir_iq2000)" +eelf32iq10.c: $(srcdir)/emulparams/elf32iq10.sh \ + $(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/iq2000.sc ${GEN_DEPENDS} + ${GENSCRIPTS} elf32iq10 "$(tdir_iq10)" eelf64alpha.c: $(srcdir)/emulparams/elf64alpha.sh \ $(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS} ${GENSCRIPTS} elf64alpha "$(tdir_elf64alpha)" diff --git a/ld/configure.tgt b/ld/configure.tgt index 4a693241e7..a5f5907702 100644 --- a/ld/configure.tgt +++ b/ld/configure.tgt @@ -514,6 +514,7 @@ tic80-*-*) targ_emul=tic80coff ;; v850-*-*) targ_emul=v850 ;; v850e-*-*) targ_emul=v850 ;; v850ea-*-*) targ_emul=v850 ;; +iq2000-*-elf) targ_emul=elf32iq2000 ; targ_extra_emuls="elf32iq10" ;; frv-*-*) targ_emul=elf32frv ;; w65-*-*) targ_emul=w65 ;; xstormy16-*-*) targ_emul=elf32xstormy16 ;; diff --git a/ld/emulparams/elf32iq10.sh b/ld/emulparams/elf32iq10.sh new file mode 100755 index 0000000000..1721f5228d --- /dev/null +++ b/ld/emulparams/elf32iq10.sh @@ -0,0 +1,11 @@ +MACHINE= +SCRIPT_NAME=iq2000 +OUTPUT_FORMAT="elf32-iq2000" +DATA_ADDR=0x1000 +TEXT_START_ADDR=0x80000000 +ARCH=iq2000 +ENTRY=_start +EMBEDDED=yes +ELFSIZE=32 +MAXPAGESIZE=256 +OTHER_RELOCATING_SECTIONS='PROVIDE (__stack = 0x1800);' diff --git a/ld/emulparams/elf32iq2000.sh b/ld/emulparams/elf32iq2000.sh new file mode 100755 index 0000000000..18f239da37 --- /dev/null +++ b/ld/emulparams/elf32iq2000.sh @@ -0,0 +1,14 @@ +MACHINE= +SCRIPT_NAME=iq2000 +OUTPUT_FORMAT="elf32-iq2000" +DATA_ADDR=0x1000 +TEXT_START_ADDR=0x80000000 +ARCH=iq2000 +MAXPAGESIZE=256 +ENTRY=_start +EMBEDDED=yes +CTOR_START='__ctors = .;' +CTOR_END='__ctors_end = .;' +DTOR_START='__dtors = .;' +DTOR_END='__dtors_end = .;' +OTHER_RELOCATING_SECTIONS='PROVIDE (__stack = 0x1800);' diff --git a/ld/scripttempl/iq2000.sc b/ld/scripttempl/iq2000.sc new file mode 100644 index 0000000000..a07196ae44 --- /dev/null +++ b/ld/scripttempl/iq2000.sc @@ -0,0 +1,443 @@ +# +# Unusual variables checked by this code: +# NOP - four byte opcode for no-op (defaults to 0) +# DATA_ADDR - if end-of-text-plus-one-page isn't right for data start +# INITIAL_READONLY_SECTIONS - at start of data segment +# OTHER_READONLY_SECTIONS - other than .text .init .rodata ... +# (e.g., .PARISC.milli) +# OTHER_TEXT_SECTIONS - these get put in .text when relocating +# OTHER_READWRITE_SECTIONS - other than .data .bss .ctors .sdata ... +# (e.g., .PARISC.global) +# OTHER_BSS_SECTIONS - other than .bss .sbss ... +# OTHER_SECTIONS - at the end +# EXECUTABLE_SYMBOLS - symbols that must be defined for an +# executable (e.g., _DYNAMIC_LINK) +# TEXT_START_SYMBOLS - symbols that appear at the start of the +# .text section. +# DATA_START_SYMBOLS - symbols that appear at the start of the +# .data section. +# OTHER_GOT_SYMBOLS - symbols defined just before .got. +# OTHER_GOT_SECTIONS - sections just after .got. +# OTHER_SDATA_SECTIONS - sections just after .sdata. +# OTHER_BSS_SYMBOLS - symbols that appear at the start of the +# .bss section besides __bss_start. +# DATA_PLT - .plt should be in data segment, not text segment. +# BSS_PLT - .plt should be in bss segment +# TEXT_DYNAMIC - .dynamic in text segment, not data segment. +# EMBEDDED - whether this is for an embedded system. +# SHLIB_TEXT_START_ADDR - if set, add to SIZEOF_HEADERS to set +# start address of shared library. +# INPUT_FILES - INPUT command of files to always include +# WRITABLE_RODATA - if set, the .rodata section should be writable +# INIT_START, INIT_END - statements just before and just after +# combination of .init sections. +# FINI_START, FINI_END - statements just before and just after +# combination of .fini sections. +# +# When adding sections, do note that the names of some sections are used +# when specifying the start address of the next. +# + +# Many sections come in three flavours. There is the 'real' section, +# like ".data". Then there are the per-procedure or per-variable +# sections, generated by -ffunction-sections and -fdata-sections in GCC, +# and useful for --gc-sections, which for a variable "foo" might be +# ".data.foo". Then there are the linkonce sections, for which the linker +# eliminates duplicates, which are named like ".gnu.linkonce.d.foo". +# The exact correspondences are: +# +# Section Linkonce section +# .text .gnu.linkonce.t.foo +# .rodata .gnu.linkonce.r.foo +# .data .gnu.linkonce.d.foo +# .bss .gnu.linkonce.b.foo +# .sdata .gnu.linkonce.s.foo +# .sbss .gnu.linkonce.sb.foo +# .sdata2 .gnu.linkonce.s2.foo +# .sbss2 .gnu.linkonce.sb2.foo +# +# Each of these can also have corresponding .rel.* and .rela.* sections. + +test -z "$ENTRY" && ENTRY=_start +test -z "${BIG_OUTPUT_FORMAT}" && BIG_OUTPUT_FORMAT=${OUTPUT_FORMAT} +test -z "${LITTLE_OUTPUT_FORMAT}" && LITTLE_OUTPUT_FORMAT=${OUTPUT_FORMAT} +if [ -z "$MACHINE" ]; then OUTPUT_ARCH=${ARCH}; else OUTPUT_ARCH=${ARCH}:${MACHINE}; fi +test -z "${ELFSIZE}" && ELFSIZE=32 +test -z "${ALIGNMENT}" && ALIGNMENT="${ELFSIZE} / 8" +test "$LD_FLAG" = "N" && DATA_ADDR=. +INTERP=".interp ${RELOCATING-0} : { *(.interp) }" +PLT=".plt ${RELOCATING-0} : { *(.plt) }" +DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" +RODATA=".rodata ${RELOCATING-0} : { *(.rodata) ${RELOCATING+*(.rodata.*)} ${RELOCATING+*(.gnu.linkonce.r.*)} }" +SBSS2=".sbss2 ${RELOCATING-0} : { *(.sbss2) ${RELOCATING+*(.sbss2.*)} ${RELOCATING+*(.gnu.linkonce.sb2.*)} }" +SDATA2=".sdata2 ${RELOCATING-0} : { *(.sdata2) ${RELOCATING+*(.sdata2.*)} ${RELOCATING+*(.gnu.linkonce.s2.*)} }" +CTOR=".ctors ${CONSTRUCTING-0} : + { + ${CONSTRUCTING+${CTOR_START}} + /* gcc uses crtbegin.o to find the start of + the constructors, so we make sure it is + first. Because this is a wildcard, it + doesn't matter if the user does not + actually link against crtbegin.o; the + linker won't look for a file to match a + wildcard. The wildcard also means that it + doesn't matter which directory crtbegin.o + is in. */ + + KEEP (*crtbegin.o(.ctors)) + + /* We don't want to include the .ctor section from + from the crtend.o file until after the sorted ctors. + The .ctor section from the crtend file contains the + end of ctors marker and it must be last */ + + KEEP (*(EXCLUDE_FILE (*crtend.o $OTHER_EXCLUDE_FILES) .ctors)) + KEEP (*(SORT(.ctors.*))) + KEEP (*(.ctors)) + ${CONSTRUCTING+${CTOR_END}} + }" + +DTOR=" .dtors ${CONSTRUCTING-0} : + { + ${CONSTRUCTING+${DTOR_START}} + KEEP (*crtbegin.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o $OTHER_EXCLUDE_FILES) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*(.dtors)) + ${CONSTRUCTING+${DTOR_END}} + }" + +# if this is for an embedded system, don't add SIZEOF_HEADERS. +if [ -z "$EMBEDDED" ]; then + test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR} + SIZEOF_HEADERS" +else + test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR}" +fi + +cat <