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[PATCH v3 04/15] PRU LD Port
- From: Dimitar Dimitrov <dimitar at dinux dot eu>
- To: binutils at sourceware dot org
- Cc: Dimitar Dimitrov <dimitar at dinux dot eu>
- Date: Fri, 30 Dec 2016 12:39:49 +0200
- Subject: [PATCH v3 04/15] PRU LD Port
- Authentication-results: sourceware.org; auth=none
- References: <20161230104000.15594-1-dimitar@dinux.eu>
2016-12-30 Dimitar Dimitrov <dimitar@dinux.eu>
ld/
* Makefile.in: Regenerate.
* NEWS: Mention new PRU target.
* Makefile.am: Add PRU target.
* configure.tgt: Ditto.
* emulparams/pruelf.sh: New file.
* emultempl/pruelf.em: New file.
* scripttempl/pru.sc: New file.
* testsuite/ld-pru/emit-relocs-1.d: New PRU testcase file.
* testsuite/ld-pru/emit-relocs-1.ld: Ditto.
* testsuite/ld-pru/emit-relocs-1a.s: Ditto.
* testsuite/ld-pru/emit-relocs-1b.s
* testsuite/ld-pru/ldi32.d: Ditto.
* testsuite/ld-pru/ldi32.s: Ditto.
* testsuite/ld-pru/ldi32_symbol.s: Ditto.
* testsuite/ld-pru/norelax_ldi32-data.d: Ditto.
* testsuite/ld-pru/norelax_ldi32-dis.d: Ditto.
* testsuite/ld-pru/pcrel_s10.d: Ditto.
* testsuite/ld-pru/pcrel_s10.s: Ditto.
* testsuite/ld-pru/pcrel_s10_label.s: Ditto.
* testsuite/ld-pru/pcrel_u8-illegal.d: Ditto.
* testsuite/ld-pru/pcrel_u8-illegal.s: Ditto.
* testsuite/ld-pru/pcrel_u8-illegal2.d: Ditto.
* testsuite/ld-pru/pcrel_u8-illegal2.s: Ditto.
* testsuite/ld-pru/pcrel_u8-illegal3.d: Ditto.
* testsuite/ld-pru/pcrel_u8-illegal3.s: Ditto.
* testsuite/ld-pru/pcrel_u8.d: Ditto.
* testsuite/ld-pru/pcrel_u8.s: Ditto.
* testsuite/ld-pru/pcrel_u8_label.s: Ditto.
* testsuite/ld-pru/pmem.d: Ditto.
* testsuite/ld-pru/pmem.s: Ditto.
* testsuite/ld-pru/pmem_symbol.s: Ditto.
* testsuite/ld-pru/pru.exp: Ditto.
* testsuite/ld-pru/relax_ldi32-data.d: Ditto.
* testsuite/ld-pru/relax_ldi32-dis.d: Ditto.
* testsuite/ld-pru/relax_ldi32.s: Ditto.
* testsuite/ld-pru/relax_ldi32_symbol.s: Ditto.
* testsuite/ld-pru/reloc.d: Ditto.
* testsuite/ld-pru/reloc.s: Ditto.
* testsuite/ld-pru/reloc_symbol.s: Ditto.
* testsuite/ld-pru/u16.d: Ditto.
* testsuite/ld-pru/u16.s: Ditto.
* testsuite/ld-pru/u16_symbol.s: Ditto.
Signed-off-by: Dimitar Dimitrov <dimitar@dinux.eu>
---
ld/Makefile.am | 6 ++
ld/NEWS | 2 +
ld/configure.tgt | 1 +
ld/emulparams/pruelf.sh | 19 ++++
ld/emultempl/pruelf.em | 50 +++++++++
ld/scripttempl/pru.sc | 179 +++++++++++++++++++++++++++++++
ld/testsuite/ld-pru/emit-relocs-1.d | 37 +++++++
ld/testsuite/ld-pru/emit-relocs-1.ld | 20 ++++
ld/testsuite/ld-pru/emit-relocs-1a.s | 24 +++++
ld/testsuite/ld-pru/emit-relocs-1b.s | 18 ++++
ld/testsuite/ld-pru/ldi32.d | 12 +++
ld/testsuite/ld-pru/ldi32.s | 6 ++
ld/testsuite/ld-pru/ldi32_symbol.s | 2 +
ld/testsuite/ld-pru/norelax_ldi32-data.d | 20 ++++
ld/testsuite/ld-pru/norelax_ldi32-dis.d | 29 +++++
ld/testsuite/ld-pru/pcrel_s10.d | 18 ++++
ld/testsuite/ld-pru/pcrel_s10.s | 7 ++
ld/testsuite/ld-pru/pcrel_s10_label.s | 9 ++
ld/testsuite/ld-pru/pcrel_u8-illegal.d | 7 ++
ld/testsuite/ld-pru/pcrel_u8-illegal.s | 9 ++
ld/testsuite/ld-pru/pcrel_u8-illegal2.d | 7 ++
ld/testsuite/ld-pru/pcrel_u8-illegal2.s | 7 ++
ld/testsuite/ld-pru/pcrel_u8-illegal3.d | 7 ++
ld/testsuite/ld-pru/pcrel_u8-illegal3.s | 7 ++
ld/testsuite/ld-pru/pcrel_u8.d | 15 +++
ld/testsuite/ld-pru/pcrel_u8.s | 9 ++
ld/testsuite/ld-pru/pcrel_u8_label.s | 4 +
ld/testsuite/ld-pru/pmem.d | 15 +++
ld/testsuite/ld-pru/pmem.s | 15 +++
ld/testsuite/ld-pru/pmem_symbol.s | 13 +++
ld/testsuite/ld-pru/pru.exp | 8 ++
ld/testsuite/ld-pru/relax_ldi32-data.d | 19 ++++
ld/testsuite/ld-pru/relax_ldi32-dis.d | 27 +++++
ld/testsuite/ld-pru/relax_ldi32.s | 30 ++++++
ld/testsuite/ld-pru/relax_ldi32_symbol.s | 5 +
ld/testsuite/ld-pru/reloc.d | 14 +++
ld/testsuite/ld-pru/reloc.s | 9 ++
ld/testsuite/ld-pru/reloc_symbol.s | 24 +++++
ld/testsuite/ld-pru/u16.d | 11 ++
ld/testsuite/ld-pru/u16.s | 4 +
ld/testsuite/ld-pru/u16_symbol.s | 2 +
41 files changed, 727 insertions(+)
create mode 100644 ld/emulparams/pruelf.sh
create mode 100644 ld/emultempl/pruelf.em
create mode 100644 ld/scripttempl/pru.sc
create mode 100644 ld/testsuite/ld-pru/emit-relocs-1.d
create mode 100644 ld/testsuite/ld-pru/emit-relocs-1.ld
create mode 100644 ld/testsuite/ld-pru/emit-relocs-1a.s
create mode 100644 ld/testsuite/ld-pru/emit-relocs-1b.s
create mode 100644 ld/testsuite/ld-pru/ldi32.d
create mode 100644 ld/testsuite/ld-pru/ldi32.s
create mode 100644 ld/testsuite/ld-pru/ldi32_symbol.s
create mode 100644 ld/testsuite/ld-pru/norelax_ldi32-data.d
create mode 100644 ld/testsuite/ld-pru/norelax_ldi32-dis.d
create mode 100644 ld/testsuite/ld-pru/pcrel_s10.d
create mode 100644 ld/testsuite/ld-pru/pcrel_s10.s
create mode 100644 ld/testsuite/ld-pru/pcrel_s10_label.s
create mode 100644 ld/testsuite/ld-pru/pcrel_u8-illegal.d
create mode 100644 ld/testsuite/ld-pru/pcrel_u8-illegal.s
create mode 100644 ld/testsuite/ld-pru/pcrel_u8-illegal2.d
create mode 100644 ld/testsuite/ld-pru/pcrel_u8-illegal2.s
create mode 100644 ld/testsuite/ld-pru/pcrel_u8-illegal3.d
create mode 100644 ld/testsuite/ld-pru/pcrel_u8-illegal3.s
create mode 100644 ld/testsuite/ld-pru/pcrel_u8.d
create mode 100644 ld/testsuite/ld-pru/pcrel_u8.s
create mode 100644 ld/testsuite/ld-pru/pcrel_u8_label.s
create mode 100644 ld/testsuite/ld-pru/pmem.d
create mode 100644 ld/testsuite/ld-pru/pmem.s
create mode 100644 ld/testsuite/ld-pru/pmem_symbol.s
create mode 100644 ld/testsuite/ld-pru/pru.exp
create mode 100644 ld/testsuite/ld-pru/relax_ldi32-data.d
create mode 100644 ld/testsuite/ld-pru/relax_ldi32-dis.d
create mode 100644 ld/testsuite/ld-pru/relax_ldi32.s
create mode 100644 ld/testsuite/ld-pru/relax_ldi32_symbol.s
create mode 100644 ld/testsuite/ld-pru/reloc.d
create mode 100644 ld/testsuite/ld-pru/reloc.s
create mode 100644 ld/testsuite/ld-pru/reloc_symbol.s
create mode 100644 ld/testsuite/ld-pru/u16.d
create mode 100644 ld/testsuite/ld-pru/u16.s
create mode 100644 ld/testsuite/ld-pru/u16_symbol.s
diff --git a/ld/Makefile.am b/ld/Makefile.am
index ac908bce85..524be3e097 100644
--- a/ld/Makefile.am
+++ b/ld/Makefile.am
@@ -1714,6 +1714,12 @@ eppcnw.c: $(srcdir)/emulparams/ppcnw.sh \
eppcpe.c: $(srcdir)/emulparams/ppcpe.sh \
$(srcdir)/emultempl/pe.em $(srcdir)/scripttempl/ppcpe.sc ${GEN_DEPENDS}
+epruelf.c: $(srcdir)/emulparams/pruelf.sh \
+ $(srcdir)/emultempl/elf32.em \
+ $(ELF_DEPS) $(srcdir)/scripttempl/pru.sc \
+ $(srcdir)/emultempl/pruelf.em ${GEN_DEPENDS}
+ ${GENSCRIPTS} pruelf "$(tdir_pruelf)"
+
eriscix.c: $(srcdir)/emulparams/riscix.sh \
$(srcdir)/emultempl/generic.em $(srcdir)/scripttempl/aout.sc ${GEN_DEPENDS}
diff --git a/ld/NEWS b/ld/NEWS
index 583d50a3b2..0a455505d1 100644
--- a/ld/NEWS
+++ b/ld/NEWS
@@ -1,5 +1,7 @@
-*- text -*-
+* Add support for the Texas Instruments PRU processor.
+
Changes in 2.28:
* The EXCLUDE_FILE linker script construct can now be applied outside of the
diff --git a/ld/configure.tgt b/ld/configure.tgt
index b9f4782b4d..5e0447e6b1 100644
--- a/ld/configure.tgt
+++ b/ld/configure.tgt
@@ -684,6 +684,7 @@ powerpc-*-aix*) targ_emul=aixppc ;;
powerpc-*-beos*) targ_emul=aixppc ;;
powerpc-*-windiss*) targ_emul=elf32ppcwindiss ;;
powerpc-*-lynxos*) targ_emul=ppclynx ;;
+pru*-*-*) targ_emul=pruelf ;;
riscv32*-*-*) targ_emul=elf32lriscv
targ_extra_emuls="elf64lriscv"
targ_extra_libpath=$targ_extra_emuls ;;
diff --git a/ld/emulparams/pruelf.sh b/ld/emulparams/pruelf.sh
new file mode 100644
index 0000000000..02debba764
--- /dev/null
+++ b/ld/emulparams/pruelf.sh
@@ -0,0 +1,19 @@
+SCRIPT_NAME=elf
+TEMPLATE_NAME=elf32
+OUTPUT_FORMAT="elf32-pru"
+LITTLE_OUTPUT_FORMAT="elf32-pru"
+SCRIPT_NAME=pru
+
+ARCH=pru
+MACHINE=
+MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
+COMMONPAGESIZE="CONSTANT (COMMONPAGESIZE)"
+EMBEDDED=yes
+
+TEXT_ORIGIN=0x20000000
+TEXT_LENGTH=8K
+DATA_ORIGIN=0x0
+DATA_LENGTH=8K
+
+ENTRY=_start
+EXTRA_EM_FILE=pruelf
diff --git a/ld/emultempl/pruelf.em b/ld/emultempl/pruelf.em
new file mode 100644
index 0000000000..dd3ec7669f
--- /dev/null
+++ b/ld/emultempl/pruelf.em
@@ -0,0 +1,50 @@
+# This shell script emits a C file. -*- C -*-
+# Copyright (C) 2016 Free Software Foundation, Inc.
+#
+# This file is part of the GNU Binutils.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+# MA 02110-1301, USA.
+#
+
+# This file is sourced from elf32.em, and defines extra pru-elf
+# specific routines.
+#
+fragment <<EOF
+
+#include "ldctor.h"
+
+/* This is called after the sections have been attached to output
+ sections, but before any sizes or addresses have been set. */
+
+static void
+pruelf_before_allocation (void)
+{
+ /* Call the default first. */
+ gld${EMULATION_NAME}_before_allocation ();
+
+ /* Enable relaxation by default if the "--no-relax" option was not
+ specified. This is done here instead of in the before_parse hook
+ because there is a check in main() to prohibit use of --relax and
+ -r together. */
+ if (RELAXATION_DISABLED_BY_DEFAULT)
+ ENABLE_RELAXATION;
+}
+
+EOF
+
+# Put these extra pru-elf routines in ld_${EMULATION_NAME}_emulation
+#
+LDEMUL_BEFORE_ALLOCATION=pruelf_before_allocation
diff --git a/ld/scripttempl/pru.sc b/ld/scripttempl/pru.sc
new file mode 100644
index 0000000000..88fe06cb63
--- /dev/null
+++ b/ld/scripttempl/pru.sc
@@ -0,0 +1,179 @@
+cat <<EOF
+OUTPUT_FORMAT("${OUTPUT_FORMAT}","${OUTPUT_FORMAT}","${OUTPUT_FORMAT}")
+OUTPUT_ARCH(${ARCH})
+
+MEMORY
+{
+ imem (x) : ORIGIN = $TEXT_ORIGIN, LENGTH = $TEXT_LENGTH
+ dmem (rw!x) : ORIGIN = $DATA_ORIGIN, LENGTH = $DATA_LENGTH
+}
+
+__HEAP_SIZE = DEFINED(__HEAP_SIZE) ? __HEAP_SIZE : 32;
+__STACK_SIZE = DEFINED(__STACK_SIZE) ? __STACK_SIZE : 512;
+
+${RELOCATING+ PROVIDE (_stack_top = ORIGIN(dmem) + LENGTH(dmem)) ; }
+
+${RELOCATING+ENTRY (_start)}
+
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ ${TEXT_DYNAMIC+${DYNAMIC}}
+ .hash ${RELOCATING-0} : { *(.hash) }
+ .dynsym ${RELOCATING-0} : { *(.dynsym) }
+ .dynstr ${RELOCATING-0} : { *(.dynstr) }
+ .gnu.version ${RELOCATING-0} : { *(.gnu.version) }
+ .gnu.version_d ${RELOCATING-0} : { *(.gnu.version_d) }
+ .gnu.version_r ${RELOCATING-0} : { *(.gnu.version_r) }
+
+ .rel.init ${RELOCATING-0} : { *(.rel.init) }
+ .rela.init ${RELOCATING-0} : { *(.rela.init) }
+ .rel.text ${RELOCATING-0} :
+ {
+ *(.rel.text)
+ ${RELOCATING+*(.rel.text.*)}
+ ${RELOCATING+*(.rel.gnu.linkonce.t*)}
+ }
+ .rela.text ${RELOCATING-0} :
+ {
+ *(.rela.text)
+ ${RELOCATING+*(.rela.text.*)}
+ ${RELOCATING+*(.rela.gnu.linkonce.t*)}
+ }
+ .rel.fini ${RELOCATING-0} : { *(.rel.fini) }
+ .rela.fini ${RELOCATING-0} : { *(.rela.fini) }
+ .rel.rodata ${RELOCATING-0} :
+ {
+ *(.rel.rodata)
+ ${RELOCATING+*(.rel.rodata.*)}
+ ${RELOCATING+*(.rel.gnu.linkonce.r*)}
+ }
+ .rela.rodata ${RELOCATING-0} :
+ {
+ *(.rela.rodata)
+ ${RELOCATING+*(.rela.rodata.*)}
+ ${RELOCATING+*(.rela.gnu.linkonce.r*)}
+ }
+ .rel.data ${RELOCATING-0} :
+ {
+ *(.rel.data)
+ ${RELOCATING+*(.rel.data.*)}
+ ${RELOCATING+*(.rel.gnu.linkonce.d*)}
+ }
+ .rela.data ${RELOCATING-0} :
+ {
+ *(.rela.data)
+ ${RELOCATING+*(.rela.data.*)}
+ ${RELOCATING+*(.rela.gnu.linkonce.d*)}
+ }
+ .rel.ctors ${RELOCATING-0} : { *(.rel.ctors) }
+ .rela.ctors ${RELOCATING-0} : { *(.rela.ctors) }
+ .rel.dtors ${RELOCATING-0} : { *(.rel.dtors) }
+ .rela.dtors ${RELOCATING-0} : { *(.rela.dtors) }
+ .rel.got ${RELOCATING-0} : { *(.rel.got) }
+ .rela.got ${RELOCATING-0} : { *(.rela.got) }
+ .rel.bss ${RELOCATING-0} : { *(.rel.bss) }
+ .rela.bss ${RELOCATING-0} : { *(.rela.bss) }
+ .rel.plt ${RELOCATING-0} : { *(.rel.plt) }
+ .rela.plt ${RELOCATING-0} : { *(.rela.plt) }
+
+ /* Internal text space. */
+ .text ${RELOCATING-0} :
+ {
+ ${RELOCATING+ _text_start = . ; }
+
+ ${RELOCATING+. = ALIGN(4);}
+
+ ${RELOCATING+*(.init0) /* Start here after reset. */}
+ ${RELOCATING+KEEP (*(.init0))}
+
+ ${RELOCATING+. = ALIGN(4);}
+ *(.text)
+ ${RELOCATING+. = ALIGN(4);}
+ ${RELOCATING+*(.text.*)}
+ ${RELOCATING+. = ALIGN(4);}
+ ${RELOCATING+*(.gnu.linkonce.t*)}
+ ${RELOCATING+. = ALIGN(4);}
+
+ ${RELOCATING+ _text_end = . ; }
+ } ${RELOCATING+ > imem}
+
+ .data ${RELOCATING-0} :
+ {
+ /* Optional variable that user is prepared to have NULL address. */
+ ${RELOCATING+ *(.data.atzero*)}
+
+ /* CRT is prepared for constructor/destructor table to have
+ a "valid" NULL address. */
+ ${CONSTRUCTING+ _ctors_start = . ; }
+ ${CONSTRUCTING+ KEEP (*(SORT_BY_INIT_PRIORITY(.ctors.*)))}
+ ${CONSTRUCTING+ KEEP (*(.ctors))}
+ ${CONSTRUCTING+ _ctors_end = . ; }
+ ${CONSTRUCTING+ _dtors_start = . ; }
+ ${CONSTRUCTING+ KEEP (*(SORT_BY_INIT_PRIORITY(.dtors.*)))}
+ ${CONSTRUCTING+ KEEP (*(.dtors))}
+ ${CONSTRUCTING+ _dtors_end = . ; }
+
+ /* DATA memory starts at address 0. So to avoid placing a valid static
+ variable at the invalid NULL address, we introduce the .data.atzero
+ section. If CRT can make some use of it - great. Otherwise skip a
+ word. In all cases .data/.bss sections must start at non-zero. */
+ . += (. == 0 ? 4 : 0);
+
+ ${RELOCATING+ PROVIDE (_data_start = .) ; }
+ *(.data)
+ ${RELOCATING+ *(.data*)}
+ ${RELOCATING+ *(.rodata) /* We need to include .rodata here if gcc is used. */}
+ ${RELOCATING+ *(.rodata.*) /* with -fdata-sections. */}
+ ${RELOCATING+*(.gnu.linkonce.d*)}
+ ${RELOCATING+*(.gnu.linkonce.r*)}
+ ${RELOCATING+. = ALIGN(4);}
+ ${RELOCATING+ PROVIDE (_data_end = .) ; }
+ } ${RELOCATING+ > dmem }
+
+ .resource_table ${RELOCATING-0} :
+ {
+ *(.resource_table)
+ KEEP (*(.resource_table))
+ } > dmem
+
+ .bss ${RELOCATING-0} :
+ {
+ ${RELOCATING+ PROVIDE (_bss_start = .) ; }
+ *(.bss)
+ ${RELOCATING+ *(.bss.*)}
+ ${RELOCATING+*(.gnu.linkonce.b*)}
+ *(COMMON)
+ ${RELOCATING+ PROVIDE (_bss_end = .) ; }
+ } ${RELOCATING+ > dmem}
+
+ /* Global data not cleared after reset. */
+ .noinit ${RELOCATING-0}:
+ {
+ ${RELOCATING+ PROVIDE (_noinit_start = .) ; }
+ *(.noinit)
+ ${RELOCATING+ PROVIDE (_noinit_end = .) ; }
+ ${RELOCATING+ PROVIDE (_heap_start = .) ; }
+ ${RELOCATING+ . += __HEAP_SIZE ; }
+ /* Stack is not here really. It will be put at the end of DMEM.
+ But we take into account its size here, in order to allow
+ for MEMORY overflow checking during link time. */
+ ${RELOCATING+ . += __STACK_SIZE ; }
+ } ${RELOCATING+ > dmem}
+
+ /* 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) }
+ .note.gnu.build-id : { *(.note.gnu.build-id) }
+EOF
+
+. $srcdir/scripttempl/DWARF.sc
+
+cat <<EOF
+}
+EOF
diff --git a/ld/testsuite/ld-pru/emit-relocs-1.d b/ld/testsuite/ld-pru/emit-relocs-1.d
new file mode 100644
index 0000000000..414234f94d
--- /dev/null
+++ b/ld/testsuite/ld-pru/emit-relocs-1.d
@@ -0,0 +1,37 @@
+#name: Emit relocs 1
+#source: emit-relocs-1a.s
+#source: emit-relocs-1b.s
+#ld: -q -T emit-relocs-1.ld
+#objdump: -sr
+
+.*: file format .*
+
+RELOCATION RECORDS FOR \[\.data\]:
+OFFSET TYPE VALUE *
+00000000 R_PRU_BFD_RELOC32 \.data
+00000004 R_PRU_BFD_RELOC32 \.data\+0x00001000
+00000008 R_PRU_BFD_RELOC32 \.merge1\+0x00000002
+0000000c R_PRU_BFD_RELOC32 \.merge2
+00000010 R_PRU_BFD_RELOC32 \.merge3
+00000014 R_PRU_BFD_RELOC32 \.merge3\+0x00000004
+00000020 R_PRU_BFD_RELOC32 \.data\+0x00000020
+00000024 R_PRU_BFD_RELOC32 \.data\+0x00001020
+00000028 R_PRU_BFD_RELOC32 \.merge1
+0000002c R_PRU_BFD_RELOC32 \.merge2\+0x00000002
+00000030 R_PRU_BFD_RELOC32 \.merge3\+0x00000008
+00000034 R_PRU_BFD_RELOC32 \.merge3\+0x00000004
+
+
+Contents of section \.text:
+ 80000 e0e0e012 00000000 00000000 00000000 .*
+Contents of section \.merge1:
+ 80400 666c7574 74657200 flutter.*
+Contents of section \.merge2:
+ 80800 74617374 696e6700 tasting.*
+Contents of section \.merge3:
+ 80c00 00010000 00020000 00030000 .*
+Contents of section \.data:
+ 81000 00100800 00200800 02040800 00080800 .*
+ 81010 000c0800 040c0800 00000000 00000000 .*
+ 81020 20100800 20200800 00040800 02080800 .*
+ 81030 080c0800 040c0800 .*
diff --git a/ld/testsuite/ld-pru/emit-relocs-1.ld b/ld/testsuite/ld-pru/emit-relocs-1.ld
new file mode 100644
index 0000000000..1879ef4cbe
--- /dev/null
+++ b/ld/testsuite/ld-pru/emit-relocs-1.ld
@@ -0,0 +1,20 @@
+ENTRY(_start)
+SECTIONS
+{
+ . = 0x80000;
+ .text : { *(.text) }
+
+ . = ALIGN (0x400);
+ .merge1 : { *(.merge1) }
+
+ . = ALIGN (0x400);
+ .merge2 : { *(.merge2) }
+
+ . = ALIGN (0x400);
+ .merge3 : { *(.merge3) }
+
+ . = ALIGN (0x400);
+ .data : { *(.data) }
+
+ /DISCARD/ : { *(*) }
+}
diff --git a/ld/testsuite/ld-pru/emit-relocs-1a.s b/ld/testsuite/ld-pru/emit-relocs-1a.s
new file mode 100644
index 0000000000..bf0a8a1689
--- /dev/null
+++ b/ld/testsuite/ld-pru/emit-relocs-1a.s
@@ -0,0 +1,24 @@
+ .text
+ .align 4
+ .globl _start
+_start:
+ nop
+
+ .section .merge1,"aMS",@progbits,1
+A: .string "utter"
+
+ .section .merge2,"aMS",@progbits,1
+B: .string "tasting"
+
+ .section .merge3,"aM",@progbits,4
+C: .4byte 0x100
+D: .4byte 0x200
+
+ .data
+ .align 4
+E: .4byte E
+ .4byte E + 0x1000
+ .4byte A
+ .4byte B
+ .4byte C
+ .4byte D
diff --git a/ld/testsuite/ld-pru/emit-relocs-1b.s b/ld/testsuite/ld-pru/emit-relocs-1b.s
new file mode 100644
index 0000000000..82229c1495
--- /dev/null
+++ b/ld/testsuite/ld-pru/emit-relocs-1b.s
@@ -0,0 +1,18 @@
+ .section .merge1,"aMS",@progbits,1
+A: .string "flutter"
+
+ .section .merge2,"aMS",@progbits,1
+B: .string "sting"
+
+ .section .merge3,"aM",@progbits,4
+C: .4byte 0x300
+D: .4byte 0x200
+
+ .data
+ .align 4
+E: .4byte E
+ .4byte E + 0x1000
+ .4byte A
+ .4byte B
+ .4byte C
+ .4byte D
diff --git a/ld/testsuite/ld-pru/ldi32.d b/ld/testsuite/ld-pru/ldi32.d
new file mode 100644
index 0000000000..123ead310f
--- /dev/null
+++ b/ld/testsuite/ld-pru/ldi32.d
@@ -0,0 +1,12 @@
+#name: PRU R_PRU_LDI32
+#source: ldi32.s
+#source: ldi32_symbol.s
+#ld:
+#objdump: -dr --prefix-addresses
+
+# Test the ldi32 relocation
+.*: +file format elf32-pru
+
+Disassembly of section .text:
+[0-9a-f]+ <[^>]*> ldi r16, 48879
+[0-9a-f]+ <[^>]*> ldi r16.w2, 57005
diff --git a/ld/testsuite/ld-pru/ldi32.s b/ld/testsuite/ld-pru/ldi32.s
new file mode 100644
index 0000000000..629db5a15b
--- /dev/null
+++ b/ld/testsuite/ld-pru/ldi32.s
@@ -0,0 +1,6 @@
+# Test the ldi32 relocation
+
+.text
+.global _start
+_start:
+ ldi32 r16, long_symbol
diff --git a/ld/testsuite/ld-pru/ldi32_symbol.s b/ld/testsuite/ld-pru/ldi32_symbol.s
new file mode 100644
index 0000000000..e8fad0fe52
--- /dev/null
+++ b/ld/testsuite/ld-pru/ldi32_symbol.s
@@ -0,0 +1,2 @@
+.global long_symbol
+.set long_symbol, 0xDEADBEEF
diff --git a/ld/testsuite/ld-pru/norelax_ldi32-data.d b/ld/testsuite/ld-pru/norelax_ldi32-data.d
new file mode 100644
index 0000000000..988e24f067
--- /dev/null
+++ b/ld/testsuite/ld-pru/norelax_ldi32-data.d
@@ -0,0 +1,20 @@
+#name: PRU LDI32 disabled-relaxation data
+#source: relax_ldi32.s
+#source: relax_ldi32_symbol.s
+#as: --mlink-relax
+#ld: --no-relax
+#objdump: -s
+
+# Note: default linker script should put a guard at DRAM address 0
+
+.*: +file format elf32-pru
+
+Contents of section .text:
+ [0-9a-f]+ f0efbe24 d0adde24 0f00f630 f0efbe24 ................
+ [0-9a-f]+ d0adde24 f0cace24 d0000024 e0cace24 ................
+ [0-9a-f]+ f0cace24 d0010024 f0efbe24 d0acde24 ................
+ [0-9a-f]+ f0785624 d0341224 f0785624 d0000024 ................
+ [0-9a-f]+ f0120024 f100007e ........ ........ ................
+Contents of section .data:
+ 0000 00000000 48000020 40000000 12004000 ................
+ 0010 10000000 f0ffffff 100040aa ................
diff --git a/ld/testsuite/ld-pru/norelax_ldi32-dis.d b/ld/testsuite/ld-pru/norelax_ldi32-dis.d
new file mode 100644
index 0000000000..072de5fbd4
--- /dev/null
+++ b/ld/testsuite/ld-pru/norelax_ldi32-dis.d
@@ -0,0 +1,29 @@
+#name: PRU LDI32 disabled-relaxation
+#source: relax_ldi32.s
+#source: relax_ldi32_symbol.s
+#as: --mlink-relax
+#ld: --no-relax
+#objdump: -dr --prefix-addresses
+
+# Test the LDI32 relaxation
+.*: +file format elf32-pru
+
+Disassembly of section .text:
+..000000 <[^>]*> ldi r16, 48879
+..000004 <[^>]*> ldi r16.w2, 57005
+..000008 <[^>]*> loop ..000044 <__end_loop>, r22
+..00000c <[^>]*> ldi r16, 48879
+..000010 <[^>]*> ldi r16.w2, 57005
+..000014 <[^>]*> ldi r16, 52938
+..000018 <[^>]*> ldi r16.w2, 0
+..00001c <[^>]*> ldi r0, 52938
+..000020 <[^>]*> ldi r16, 52938
+..000024 <[^>]*> ldi r16.w2, 1
+..000028 <[^>]*> ldi r16, 48879
+..00002c <[^>]*> ldi r16.w2, 57004
+..000030 <[^>]*> ldi r16, 22136
+..000034 <[^>]*> ldi r16.w2, 4660
+..000038 <[^>]*> ldi r16, 22136
+..00003c <[^>]*> ldi r16.w2, 0
+..000040 <[^>]*> ldi r16, 18
+..000044 <[^>]*> qba ..000008 <__intermediate>
diff --git a/ld/testsuite/ld-pru/pcrel_s10.d b/ld/testsuite/ld-pru/pcrel_s10.d
new file mode 100644
index 0000000000..95602c586b
--- /dev/null
+++ b/ld/testsuite/ld-pru/pcrel_s10.d
@@ -0,0 +1,18 @@
+#name: PRU R_PRU_S10_PCREL
+#source: pcrel_s10.s
+#source: pcrel_s10_label.s
+#ld:
+#objdump: -dr --prefix-addresses
+
+# Test the relative quick branch relocations.
+.*: +file format elf32-pru
+
+Disassembly of section .text:
+[0-9a-f]+ <[^>]*> qba [0-9a-f]+ <ext_label>
+[0-9a-f]+ <[^>]*> qba [0-9a-f]+ <ext_label\+0x10>
+[0-9a-f]+ <[^>]*> nop
+[0-9a-f]+ <[^>]*> nop
+[0-9a-f]+ <[^>]*> nop
+[0-9a-f]+ <[^>]*> nop
+[0-9a-f]+ <[^>]*> nop
+[0-9a-f]+ <[^>]*> nop
diff --git a/ld/testsuite/ld-pru/pcrel_s10.s b/ld/testsuite/ld-pru/pcrel_s10.s
new file mode 100644
index 0000000000..15fa47b71d
--- /dev/null
+++ b/ld/testsuite/ld-pru/pcrel_s10.s
@@ -0,0 +1,7 @@
+# Test for pc-relative relocations
+.text
+.section .init0, "x"
+.global _start
+_start:
+ qba ext_label
+ qba ext_label + 16
diff --git a/ld/testsuite/ld-pru/pcrel_s10_label.s b/ld/testsuite/ld-pru/pcrel_s10_label.s
new file mode 100644
index 0000000000..3aea34e2ba
--- /dev/null
+++ b/ld/testsuite/ld-pru/pcrel_s10_label.s
@@ -0,0 +1,9 @@
+.text
+ext_label:
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+.global ext_label
diff --git a/ld/testsuite/ld-pru/pcrel_u8-illegal.d b/ld/testsuite/ld-pru/pcrel_u8-illegal.d
new file mode 100644
index 0000000000..a88523747f
--- /dev/null
+++ b/ld/testsuite/ld-pru/pcrel_u8-illegal.d
@@ -0,0 +1,7 @@
+#name: PRU R_PRU_U8_PCREL illegal
+#source: pcrel_u8-illegal.s
+#source: pcrel_u8_label.s
+#ld:
+#error: [^\n]*: relocation truncated to fit: R_PRU_U8_PCREL against `.init0'
+
+# Check that LOOP cannot reference "prior" labels.
diff --git a/ld/testsuite/ld-pru/pcrel_u8-illegal.s b/ld/testsuite/ld-pru/pcrel_u8-illegal.s
new file mode 100644
index 0000000000..37274ddd0b
--- /dev/null
+++ b/ld/testsuite/ld-pru/pcrel_u8-illegal.s
@@ -0,0 +1,9 @@
+# Test for illegal pc-relative relocations
+.text
+.section .init0, "x"
+.global _start
+_start:
+foo:
+# Negative loop termination point
+ nop
+ loop foo, r20
diff --git a/ld/testsuite/ld-pru/pcrel_u8-illegal2.d b/ld/testsuite/ld-pru/pcrel_u8-illegal2.d
new file mode 100644
index 0000000000..604ea9838d
--- /dev/null
+++ b/ld/testsuite/ld-pru/pcrel_u8-illegal2.d
@@ -0,0 +1,7 @@
+#name: PRU R_PRU_U8_PCREL illegal offset 0
+#source: pcrel_u8-illegal2.s
+#source: pcrel_u8_label.s
+#ld:
+#error: [^\n]*: relocation out of range
+
+# Check that LOOP cannot reference "prior" labels.
diff --git a/ld/testsuite/ld-pru/pcrel_u8-illegal2.s b/ld/testsuite/ld-pru/pcrel_u8-illegal2.s
new file mode 100644
index 0000000000..afd40d666d
--- /dev/null
+++ b/ld/testsuite/ld-pru/pcrel_u8-illegal2.s
@@ -0,0 +1,7 @@
+# Test for illegal pc-relative relocations
+.text
+.section .init0, "x"
+.global _start
+_start:
+L0:
+ loop L0, r0
diff --git a/ld/testsuite/ld-pru/pcrel_u8-illegal3.d b/ld/testsuite/ld-pru/pcrel_u8-illegal3.d
new file mode 100644
index 0000000000..604ea9838d
--- /dev/null
+++ b/ld/testsuite/ld-pru/pcrel_u8-illegal3.d
@@ -0,0 +1,7 @@
+#name: PRU R_PRU_U8_PCREL illegal offset 0
+#source: pcrel_u8-illegal2.s
+#source: pcrel_u8_label.s
+#ld:
+#error: [^\n]*: relocation out of range
+
+# Check that LOOP cannot reference "prior" labels.
diff --git a/ld/testsuite/ld-pru/pcrel_u8-illegal3.s b/ld/testsuite/ld-pru/pcrel_u8-illegal3.s
new file mode 100644
index 0000000000..b90131eb7e
--- /dev/null
+++ b/ld/testsuite/ld-pru/pcrel_u8-illegal3.s
@@ -0,0 +1,7 @@
+# Test for illegal pc-relative relocations
+.text
+.section .init0, "x"
+.global _start
+_start:
+ loop L1, r0
+L1:
diff --git a/ld/testsuite/ld-pru/pcrel_u8.d b/ld/testsuite/ld-pru/pcrel_u8.d
new file mode 100644
index 0000000000..60ff05883c
--- /dev/null
+++ b/ld/testsuite/ld-pru/pcrel_u8.d
@@ -0,0 +1,15 @@
+#name: PRU R_PRU_U8_PCREL
+#source: pcrel_u8.s
+#source: pcrel_u8_label.s
+#ld:
+#objdump: -dr --prefix-addresses
+
+# Test the relative quick branch relocations.
+.*: +file format elf32-pru
+
+Disassembly of section .text:
+[0-9a-f]+ <[^>]*> loop [0-9a-f]+ <end_loop>, 5
+[0-9a-f]+ <[^>]*> nop
+[0-9a-f]+ <[^>]*> nop
+[0-9a-f]+ <[^>]*> nop
+[0-9a-f]+ <[^>]*> nop
diff --git a/ld/testsuite/ld-pru/pcrel_u8.s b/ld/testsuite/ld-pru/pcrel_u8.s
new file mode 100644
index 0000000000..ad1d7513cc
--- /dev/null
+++ b/ld/testsuite/ld-pru/pcrel_u8.s
@@ -0,0 +1,9 @@
+# Test for pc-relative relocations
+.text
+.section .init0, "x"
+.global _start
+_start:
+ loop end_loop, 5
+ nop
+ nop
+ nop
diff --git a/ld/testsuite/ld-pru/pcrel_u8_label.s b/ld/testsuite/ld-pru/pcrel_u8_label.s
new file mode 100644
index 0000000000..b716ce5323
--- /dev/null
+++ b/ld/testsuite/ld-pru/pcrel_u8_label.s
@@ -0,0 +1,4 @@
+.text
+end_loop:
+ nop
+.global end_loop
diff --git a/ld/testsuite/ld-pru/pmem.d b/ld/testsuite/ld-pru/pmem.d
new file mode 100644
index 0000000000..2bb7c16733
--- /dev/null
+++ b/ld/testsuite/ld-pru/pmem.d
@@ -0,0 +1,15 @@
+#name: PRU R_PRU_BFD_*_PMEM
+#source: pmem.s
+#source: pmem_symbol.s
+#ld:
+#objdump: -s
+
+# Note: default linker script should put a guard at DRAM address 0
+
+.*: +file format elf32-pru
+
+Contents of section .text:
+ [0-9a-f]+ e0050024 e0070024 05000000 05000600 ................
+ [0-9a-f]+ e0e0e012 e0e0e012 ........
+Contents of section .data:
+ 0000 00000000 ....
diff --git a/ld/testsuite/ld-pru/pmem.s b/ld/testsuite/ld-pru/pmem.s
new file mode 100644
index 0000000000..8c9f3d4fae
--- /dev/null
+++ b/ld/testsuite/ld-pru/pmem.s
@@ -0,0 +1,15 @@
+# Test for PRU pmem relocations
+
+.global byte_sym
+.global short_sym
+.global long_sym
+
+.set byte_sym, 0xFA
+.set short_sym, 0xFACE
+.set long_sym, 0xDEADBEEF
+
+.text
+.global _text_label
+ nop
+_text_label:
+ nop
diff --git a/ld/testsuite/ld-pru/pmem_symbol.s b/ld/testsuite/ld-pru/pmem_symbol.s
new file mode 100644
index 0000000000..915caf130a
--- /dev/null
+++ b/ld/testsuite/ld-pru/pmem_symbol.s
@@ -0,0 +1,13 @@
+.text
+.section .init0, "x"
+.global _start
+_start:
+
+ # U16_PMEMIMM
+ ldi r0, %pmem(_text_label)
+ ldi r0, %pmem(_text_label + 8)
+
+# Try 32/16_PMEM
+.4byte %pmem(_text_label)
+.2byte %pmem(_text_label)
+.2byte %pmem(_text_label + 4)
diff --git a/ld/testsuite/ld-pru/pru.exp b/ld/testsuite/ld-pru/pru.exp
new file mode 100644
index 0000000000..ac01a3cf55
--- /dev/null
+++ b/ld/testsuite/ld-pru/pru.exp
@@ -0,0 +1,8 @@
+if { ! [istarget pru-*-*] } {
+ return
+}
+
+foreach test [lsort [glob -nocomplain $srcdir/$subdir/*.d]] {
+ verbose [file rootname $test]
+ run_dump_test [file rootname $test]
+}
diff --git a/ld/testsuite/ld-pru/relax_ldi32-data.d b/ld/testsuite/ld-pru/relax_ldi32-data.d
new file mode 100644
index 0000000000..c59a105958
--- /dev/null
+++ b/ld/testsuite/ld-pru/relax_ldi32-data.d
@@ -0,0 +1,19 @@
+#name: PRU LDI32 relaxation data
+#source: relax_ldi32.s
+#source: relax_ldi32_symbol.s
+#as: --mlink-relax
+#ld: --relax
+#objdump: -s
+
+# Note: default linker script should put a guard at DRAM address 0
+
+.*: +file format elf32-pru
+
+Contents of section .text:
+ [0-9a-f]+ f0efbe24 d0adde24 0d00f630 f0efbe24 ................
+ [0-9a-f]+ d0adde24 f0cace24 e0cace24 f0cace24 ................
+ [0-9a-f]+ d0010024 f0efbe24 d0acde24 f0785624 ................
+ [0-9a-f]+ d0341224 f0785624 f0100024 f300007e ................
+Contents of section .data:
+ 0000 00000000 40000020 38000000 10003800 ................
+ 0010 0e000000 f2ffffff 0e0038aa ................
diff --git a/ld/testsuite/ld-pru/relax_ldi32-dis.d b/ld/testsuite/ld-pru/relax_ldi32-dis.d
new file mode 100644
index 0000000000..1371f1c644
--- /dev/null
+++ b/ld/testsuite/ld-pru/relax_ldi32-dis.d
@@ -0,0 +1,27 @@
+#name: PRU LDI32 relaxation
+#source: relax_ldi32.s
+#source: relax_ldi32_symbol.s
+#as: --mlink-relax
+#ld: --relax
+#objdump: -dr --prefix-addresses
+
+# Test the LDI32 relaxation
+.*: +file format elf32-pru
+
+Disassembly of section .text:
+..000000 <[^>]*> ldi r16, 48879
+..000004 <[^>]*> ldi r16.w2, 57005
+..000008 <[^>]*> loop ..00003c <__end_loop>, r22
+..00000c <[^>]*> ldi r16, 48879
+..000010 <[^>]*> ldi r16.w2, 57005
+..000014 <[^>]*> ldi r16, 52938
+..000018 <[^>]*> ldi r0, 52938
+..00001c <[^>]*> ldi r16, 52938
+..000020 <[^>]*> ldi r16.w2, 1
+..000024 <[^>]*> ldi r16, 48879
+..000028 <[^>]*> ldi r16.w2, 57004
+..00002c <[^>]*> ldi r16, 22136
+..000030 <[^>]*> ldi r16.w2, 4660
+..000034 <[^>]*> ldi r16, 22136
+..000038 <[^>]*> ldi r16, 16
+..00003c <[^>]*> qba ..000008 <__intermediate>
diff --git a/ld/testsuite/ld-pru/relax_ldi32.s b/ld/testsuite/ld-pru/relax_ldi32.s
new file mode 100644
index 0000000000..7c2473c30c
--- /dev/null
+++ b/ld/testsuite/ld-pru/relax_ldi32.s
@@ -0,0 +1,30 @@
+# Test LDI32 relaxation
+
+.text
+.global _start
+_start:
+ ldi32 r16, long_symbol
+__intermediate:
+ loop __end_loop, r22
+ ldi32 r16, long_symbol
+ ldi32 r16, short_symbol
+ ldi r0, short_symbol
+ ldi32 r16, short_symbol + 0x10000
+ ldi32 r16, long_symbol - 0x10000
+ ldi32 r16, 0x12345678
+ ldi32 r16, 0x5678
+ ldi r16, %pmem(__end)
+__end_loop:
+ qba __intermediate
+__end:
+
+.data
+ .4byte __end
+ .4byte (__end - __intermediate)
+ .2byte %pmem(__end)
+ .2byte (__end - __intermediate)
+ .4byte %pmem(__end - __intermediate)
+ .4byte %pmem(__intermediate - __end)
+ .2byte %pmem(__end - __intermediate)
+ .byte (__end - __intermediate)
+ .byte 0xaa
diff --git a/ld/testsuite/ld-pru/relax_ldi32_symbol.s b/ld/testsuite/ld-pru/relax_ldi32_symbol.s
new file mode 100644
index 0000000000..dbb11bd36a
--- /dev/null
+++ b/ld/testsuite/ld-pru/relax_ldi32_symbol.s
@@ -0,0 +1,5 @@
+.global long_symbol
+.global short_symbol
+
+.set long_symbol, 0xDEADBEEF
+.set short_symbol, 0xceca
diff --git a/ld/testsuite/ld-pru/reloc.d b/ld/testsuite/ld-pru/reloc.d
new file mode 100644
index 0000000000..a494e0cc4a
--- /dev/null
+++ b/ld/testsuite/ld-pru/reloc.d
@@ -0,0 +1,14 @@
+#name: PRU R_PRU_BFD_RELOC_XX
+#source: reloc.s
+#source: reloc_symbol.s
+#ld:
+#objdump: -s
+
+# Note: default linker script should put a guard at DRAM address 0
+
+.*: +file format elf32-pru
+
+Contents of section .text:
+ [0-9a-f]+ fa00cefa efbeadde facefaef beadde00 ................
+Contents of section .data:
+ 0000 00000000 ....
diff --git a/ld/testsuite/ld-pru/reloc.s b/ld/testsuite/ld-pru/reloc.s
new file mode 100644
index 0000000000..4bf79bfcee
--- /dev/null
+++ b/ld/testsuite/ld-pru/reloc.s
@@ -0,0 +1,9 @@
+# Test for PRU 32-bit, 16 and 8-bit relocations
+
+.global byte_sym
+.global short_sym
+.global long_sym
+
+.set byte_sym, 0xFA
+.set short_sym, 0xFACE
+.set long_sym, 0xDEADBEEF
diff --git a/ld/testsuite/ld-pru/reloc_symbol.s b/ld/testsuite/ld-pru/reloc_symbol.s
new file mode 100644
index 0000000000..5704cb842c
--- /dev/null
+++ b/ld/testsuite/ld-pru/reloc_symbol.s
@@ -0,0 +1,24 @@
+.text
+.section .init0, "x"
+.global _start
+_start:
+
+# byte aligned
+.align 0
+.byte byte_sym
+
+# short aligned
+.align 1
+.short short_sym
+
+# word aligned
+.align 2
+.long long_sym
+
+# now lets try some unaligned words and halfwords
+.byte byte_sym
+.2byte short_sym
+.4byte long_sym
+
+#.align 2
+#nop
diff --git a/ld/testsuite/ld-pru/u16.d b/ld/testsuite/ld-pru/u16.d
new file mode 100644
index 0000000000..9cc6482f9a
--- /dev/null
+++ b/ld/testsuite/ld-pru/u16.d
@@ -0,0 +1,11 @@
+#name: PRU R_PRU_U16
+#source: u16.s
+#source: u16_symbol.s
+#ld:
+#objdump: -dr --prefix-addresses
+
+# Test the regulard LDI relocation
+.*: +file format elf32-pru
+
+Disassembly of section .text:
+[0-9a-f]+ <[^>]*> ldi r16, 54321
diff --git a/ld/testsuite/ld-pru/u16.s b/ld/testsuite/ld-pru/u16.s
new file mode 100644
index 0000000000..a4c2adeab1
--- /dev/null
+++ b/ld/testsuite/ld-pru/u16.s
@@ -0,0 +1,4 @@
+.text
+.global _start
+_start:
+ ldi r16, short_symbol
diff --git a/ld/testsuite/ld-pru/u16_symbol.s b/ld/testsuite/ld-pru/u16_symbol.s
new file mode 100644
index 0000000000..f6196d8cb9
--- /dev/null
+++ b/ld/testsuite/ld-pru/u16_symbol.s
@@ -0,0 +1,2 @@
+.global short_symbol
+.set short_symbol, 54321
--
2.11.0