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binutils-gdb/ld/scripttempl/v850_rh850.sc
Nick Clifton 685080f210 Adds support for generating notes in V850 binaries.
bfd	* elf32-v850.c (v850_set_note): New function.  Creates a Renesas
	style note entry.
	(v850_elf_make_note_section): New function.  Creates a note
	section.
	(v850_elf_create_sections): New function.  Create a note section
	if one is not already present.
	(v850_elf_set_note): New function.  Adds a note to a bfd.
	(v850_elf_copy_private_bfd_data): New function.  Copies V850
	notes.
	(v850_elf_merge_notes): New function.  Merges V850 notes.
	(print_v850_note): New function.  Displays a V850 note.
	(v850_elf_print_notes): New function. Displays all notes attached
	to a bfd.
	(v850_elf_merge_private_bfd_data): Call v850_elf_merge_notes.
	(v850_elf_print_private_bfd_data): Call v850_elf_print_notes.
	(v850_elf_fake_sections): Set the type of the V850 note section.
	* bfd-in.h (v850_elf_create_sections): Add prototype.
	(v850_elf_set_note): Add prototype.
	* bfd-in2.h: Regenerate.

binutils* readelf.c (get_machine_flags): Remove deprecated V850 machine
	flags.
	(get_v850_section_type_name): New function.  Handles V850 special
	sections.
	(get_section_type_name): Add support for V850.
	(get_v850_elf_note_type): New function.  Returns the name of a
	V850 note.
	(print_v850_note): New function.  Prints a V850 note.
	(process_v850_notes): New function.  Prints V850 notes.
	(process_note_sections): Add support for V850.

binutils/testsute
	* binutils-all/objcopy.exp: Skip the strip-10 test for the V850.

gas	* config/tc-v850.c (soft_float): New variable.
	(v850_data_8): New variable.
	(md_show_usage): Add -msoft-float/-mhard-float.
	(md_parse_option): Likewise.
	(md_begin): Set the default value of soft_float.
	(v850_md_end): New function.  Creates a note section.
	* config/tc-v850.h (md_end): Define.
	* doc/c-v850.texi: Document -msoft-float/-mhard-float.

gas/testsuite
	* gas/elf/elf.exp: Add special version of the section2 test for
	the V850.
	* gas/elf/section2.e-v850: New file.

include/elf
	* v850.h (EF_RH850_SIMD): Delete deprecated flag.
	(EF_RH850_CACHE): Likewise.
	(EF_RH850_MMU): Likewise.
	(EF_RH850_DATA_ALIGN8): Likewise.
	(SHT_RENESAS_IOP): Fix typo in name.
	(SHT_RENESAS_INFO): Define.
	(V850_NOTE_SECNAME): Define.
	(SIZEOF_V850_NOTE): Define.
	(V850_NOTE_NAME): Define.
	(enum v850_notes): New enum.
	(NUM_V850_NOTES): Define.

ld/ChangeLog
2015-02-24  Nick Clifton  <nickc@redhat.com>

	* Makefile.am (ev850.c): Add dependency upon
	$(srcdir)/emultempl/v850elf.em.
	(ev850_rh850.c): Likewise.
	* Makefile.in: Regenerate.
	* emultempl/v850elf.em: New file.
	* emulparams/v850.sh (EXTRA_EM_FILE): Define.
	* emulparams/v850_rh850.sh (EXTRA_EM_FILE): Define.
	* scripttempl/v850.sc: Add .note.renesas section.
	* scripttempl/v850_rh850.sc: Likewise.

ld/testsuite
	* ld-elf/extract-symbol-1sec.d: Expect to fail on the V850.
2015-02-24 17:54:09 +00:00

241 lines
5.5 KiB
Scala

# Copyright (C) 2014-2015 Free Software Foundation, Inc.
#
# Copying and distribution of this file, with or without modification,
# are permitted in any medium without royalty provided the copyright
# notice and this notice are preserved.
cat << EOF
/* Copyright (C) 2014-2015 Free Software Foundation, Inc.
Copying and distribution of this script, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved. */
OUTPUT_FORMAT("elf32-v850-rh850", "elf32-v850-rh850",
"elf32-v850-rh850")
OUTPUT_ARCH(v850-rh850)
${RELOCATING+ENTRY(_start)}
SEARCH_DIR(.);
EXTERN(__ctbp __ep __gp);
SECTIONS
{
/* This saves a little space in the ELF file, since the zda starts
at a higher location that the ELF headers take up. */
.zdata ${ZDATA_START_ADDR} :
{
*(.zdata)
*(.zdata23)
*(.zbss)
*(.zbss23)
*(reszdata)
*(.zcommon)
}
/* This is the read only part of the zero data area.
Having it as a seperate section prevents its
attributes from being inherited by the zdata
section. Specifically it prevents the zdata
section from being marked READONLY. */
.rozdata ${ROZDATA_START_ADDR} :
{
*(.rozdata)
*(romzdata)
*(romzbss)
*(.zconst)
*(.zconst23)
}
/* Read-only sections, merged into text segment. */
. = ${TEXT_START_ADDR};
.interp : { *(.interp) }
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.rel.text : { *(.rel.text) }
.rela.text : { *(.rela.text) }
.rel.data : { *(.rel.data) }
.rela.data : { *(.rela.data) }
.rel.rodata : { *(.rel.rodata) }
.rela.rodata : { *(.rela.rodata) }
.rel.gcc_except_table : { *(.rel.gcc_except_table) }
.rela.gcc_except_table : { *(.rela.gcc_except_table) }
.rel.got : { *(.rel.got) }
.rela.got : { *(.rela.got) }
.rel.ctors : { *(.rel.ctors) }
.rela.ctors : { *(.rela.ctors) }
.rel.dtors : { *(.rel.dtors) }
.rela.dtors : { *(.rela.dtors) }
.rel.init : { *(.rel.init) }
.rela.init : { *(.rela.init) }
.rel.fini : { *(.rel.fini) }
.rela.fini : { *(.rela.fini) }
.rel.bss : { *(.rel.bss) }
.rela.bss : { *(.rela.bss) }
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
.init : { KEEP (*(.init)) } =0
.plt : { *(.plt) }
.text :
{
*(.text)
${RELOCATING+*(.text.*)}
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
*(.gnu.linkonce.t*)
} =0
${RELOCATING+_etext = .;}
${RELOCATING+PROVIDE (etext = .);}
/* This is special code area at the end of the normal text section.
It contains a small lookup table at the start followed by the
code pointed to by entries in the lookup table. */
.call_table_data ${CALL_TABLE_START_ADDR} :
{
${RELOCATING+PROVIDE(__ctbp = .);}
*(.call_table_data)
} = 0xff /* Fill gaps with 0xff. */
.call_table_text :
{
*(.call_table_text)
}
.fini : { KEEP (*(.fini)) } =0
.rodata :
{
*(.rodata)
${RELOCATING+*(.rodata.*)}
*(.gnu.linkonce.r*)
*(.const)
}
.rodata1 : { *(.rodata1) }
.data :
{
*(.data)
${RELOCATING+*(.data.*)}
*(.gnu.linkonce.d*)
CONSTRUCTORS
}
.data1 : { *(.data1) }
.ctors :
{
${CONSTRUCTING+___ctors = .;}
KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*crtend(.ctors))
${CONSTRUCTING+___ctors_end = .;}
}
.dtors :
{
${CONSTRUCTING+___dtors = .;}
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*crtend.o(.dtors))
${CONSTRUCTING+___dtors_end = .;}
}
.jcr :
{
KEEP (*(.jcr))
}
.gcc_except_table : { *(.gcc_except_table) }
.got : { *(.got.plt) *(.got) }
.dynamic : { *(.dynamic) }
.tdata ${TDATA_START_ADDR} :
{
${RELOCATING+PROVIDE (__ep = .);}
*(.edata)
*(.edata23)
*(.tbyte)
*(.tcommon_byte)
*(.tdata)
*(.tdata*)
*(.ebss)
*(.ebss23)
*(.tbss)
*(.tbss*)
*(.tcommon)
}
/* We want the small data sections together, so single-instruction offsets
can access them all, and initialized data all before uninitialized, so
we can shorten the on-disk segment size. */
.sdata ${SDATA_START_ADDR} :
{
${RELOCATING+PROVIDE (__gp = . + 0x8000);}
*(.sdata)
*(.sdata23)
}
/* See comment about .rozdata. */
.rosdata ${ROSDATA_START_ADDR} :
{
*(.rosdata)
*(.sconst)
*(.sconst23)
}
/* We place the .sbss data section AFTER the .rosdata section, so that
it can directly preceed the .bss section. This allows runtime startup
code to initialise all the zero-data sections by simply taking the
value of '_edata' and zeroing until it reaches '_end'. */
.sbss :
{
${RELOCATING+__sbss_start = .;}
*(.sbss)
*(.sbss23)
*(.scommon)
}
${RELOCATING+_edata = DEFINED (__sbss_start) ? __sbss_start : . ;}
${RELOCATING+PROVIDE (edata = _edata);}
.bss :
{
${RELOCATING+__bss_start = DEFINED (__sbss_start) ? __sbss_start : . ;}
${RELOCATING+__real_bss_start = . ;}
*(.dynbss)
*(.bss)
*(COMMON)
}
${RELOCATING+_end = . ;}
${RELOCATING+PROVIDE (end = .);}
${RELOCATING+PROVIDE (_heap_start = .);}
.note.renesas 0 : { KEEP(*(.note.renesas)) }
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
EOF
. $srcdir/scripttempl/DWARF.sc
cat <<EOF
/* User stack. */
.stack 0x200000 :
{
${RELOCATING+__stack = .;}
*(.stack)
}
}
EOF