PRU LD Port

	* 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.
	* Makefile.in: Regenerate.
	* 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.

PRU does not export __end symbol because it is ambiguous for it.
Users are expected to use instead the section markers __text_end,
__data_end, __bss_end or __noinit_end.

	* testsuite/lib/ld-lib.exp (check_shared_lib_support): No shared
	libraries are supported for PRU.
	(check_gc_sections_available): Mark PRU as not supported.
	* testsuite/ld-elf/eh-frame-hdr.d: Disable for PRU.
	* testsuite/ld-elf/endsym.d: Likewise.
	* testsuite/ld-elf/group8a.d: Likewise.
	* testsuite/ld-elf/group8b.d: Likewise.
	* testsuite/ld-elf/group9a.d: Likewise.
	* testsuite/ld-elf/group9b.d: Likewise.
	* testsuite/ld-elf/merge.d: Likewise.
	* testsuite/ld-elf/pr12851.d: Likewise.
	* testsuite/ld-elf/pr14926.d: Likewise.
	* testsuite/ld-elf/sec-to-seg.exp: Likewise.
	* testsuite/ld-elf/sec64k.exp: Mark sec64k case as too big for PRU.
	* testsuite/ld-srec/srec.exp (run_srec_test): Add setup for PRU.

Signed-off-by: Dimitar Dimitrov <dimitar@dinux.eu>

48 files changed, 489 insertions, 9 deletions

diff --git a/ld/testsuite/ld-elf/eh-frame-hdr.d b/ld/testsuite/ld-elf/eh-frame-hdr.d
index f73d0e5..a76ac73 100644
--- a/ld/testsuite/ld-elf/eh-frame-hdr.d
+++ b/ld/testsuite/ld-elf/eh-frame-hdr.d
@@ -2,7 +2,7 @@
 #ld: -e _start --eh-frame-hdr
 #objdump: -hw
 #target: cfi
-#xfail: avr*-*-* or1k*-*-elf or1k*-*-rtems* visium-*-*
+#xfail: avr*-*-* or1k*-*-elf or1k*-*-rtems* pru-*-* visium-*-*
 # These targets support CFI generation but not shared libraries.
 #...
   [0-9] .eh_frame_hdr 0*[12][048c] .*
diff --git a/ld/testsuite/ld-elf/endsym.d b/ld/testsuite/ld-elf/endsym.d
index eefdd43..3472154 100644
--- a/ld/testsuite/ld-elf/endsym.d
+++ b/ld/testsuite/ld-elf/endsym.d
@@ -4,6 +4,7 @@
 #nm: -n
 #notarget: hppa*-*-hpux*
 #xfail: m68hc1*-* xgate-* cr16-*-* crx-*-* dlx-*-* nds32*-*-* visium-*-*
+#xfail: pru-*-*
 
 #...
 .* end
diff --git a/ld/testsuite/ld-elf/group8a.d b/ld/testsuite/ld-elf/group8a.d
index 45955ba..52112e9 100644
--- a/ld/testsuite/ld-elf/group8a.d
+++ b/ld/testsuite/ld-elf/group8a.d
@@ -1,7 +1,7 @@
 #source: group8.s
 #ld: -r --gc-sections --entry foo
 #readelf: -g --wide
-#notarget: d30v-*-* dlx-*-* i960-*-* pj*-*-*
+#notarget: d30v-*-* dlx-*-* i960-*-* pj*-*-* pru-*-*
 #notarget: hppa64-*-* i370-*-* i860-*-* ia64-*-* mep-*-* mn10200-*-*
 #xfail: cr16-*-* crx-*-*
 # generic linker targets don't support --gc-sections, nor do a bunch of others
diff --git a/ld/testsuite/ld-elf/group8b.d b/ld/testsuite/ld-elf/group8b.d
index 0175c7f..879cd13 100644
--- a/ld/testsuite/ld-elf/group8b.d
+++ b/ld/testsuite/ld-elf/group8b.d
@@ -1,7 +1,7 @@
 #source: group8.s
 #ld: -r --gc-sections --entry bar
 #readelf: -g --wide
-#notarget: d30v-*-* dlx-*-* i960-*-* pj*-*-*
+#notarget: d30v-*-* dlx-*-* i960-*-* pj*-*-* pru-*-*
 #notarget: hppa64-*-* i370-*-* i860-*-* ia64-*-* mep-*-* mn10200-*-*
 #xfail: cr16-*-* crx-*-*
 # generic linker targets don't support --gc-sections, nor do a bunch of others
diff --git a/ld/testsuite/ld-elf/group9a.d b/ld/testsuite/ld-elf/group9a.d
index 44fe606..346254b 100644
--- a/ld/testsuite/ld-elf/group9a.d
+++ b/ld/testsuite/ld-elf/group9a.d
@@ -1,7 +1,7 @@
 #source: group9.s
 #ld: -r --gc-sections --entry foo
 #readelf: -g --wide
-#notarget: d30v-*-* dlx-*-* i960-*-* pj*-*-*
+#notarget: d30v-*-* dlx-*-* i960-*-* pj*-*-* pru-*-*
 #notarget: alpha-*-* hppa64-*-* i370-*-* i860-*-* ia64-*-* mep-*-* mn10200-*-*
 #xfail: cr16-*-* crx-*-*
 # generic linker targets don't support --gc-sections, nor do a bunch of others
diff --git a/ld/testsuite/ld-elf/group9b.d b/ld/testsuite/ld-elf/group9b.d
index 4ab2ba6..3005f8f 100644
--- a/ld/testsuite/ld-elf/group9b.d
+++ b/ld/testsuite/ld-elf/group9b.d
@@ -1,7 +1,7 @@
 #source: group9.s
 #ld: -r --gc-sections --entry bar
 #readelf: -g --wide
-#notarget: d30v-*-* dlx-*-* i960-*-* pj*-*-*
+#notarget: d30v-*-* dlx-*-* i960-*-* pj*-*-* pru-*-*
 #notarget: alpha-*-* hppa64-*-* i370-*-* i860-*-* ia64-*-* mep-*-* mn10200-*-*
 #xfail: cr16-*-* crx-*-*
 # generic linker targets don't support --gc-sections, nor do a bunch of others
diff --git a/ld/testsuite/ld-elf/merge.d b/ld/testsuite/ld-elf/merge.d
index 818959d..d46acb6 100644
--- a/ld/testsuite/ld-elf/merge.d
+++ b/ld/testsuite/ld-elf/merge.d
@@ -6,7 +6,7 @@
 #xfail: "i370-*-*" "i860-*-*" "i960-*-*" "ip2k-*-*" "iq2000-*-*" "lm32-*-*"
 #xfail: "mcore-*-*" "mn102*-*-*" "ms1-*-*" "mep-*-*" "m68hc11-*-*"
 #xfail: "or32-*-*" "pj-*-*" "sparc*-*-*" "tic6x-*-*" "vax-*-*" "xstormy16-*-*"
-#xfail: "xtensa*-*-*" "metag-*-*" "ft32-*-*"
+#xfail: "xtensa*-*-*" "metag-*-*" "ft32-*-*" "pru-*-*"
 
 .*:     file format .*elf.*
 
diff --git a/ld/testsuite/ld-elf/pr12851.d b/ld/testsuite/ld-elf/pr12851.d
index 48ecb09..61c224d 100644
--- a/ld/testsuite/ld-elf/pr12851.d
+++ b/ld/testsuite/ld-elf/pr12851.d
@@ -2,7 +2,7 @@
 #source: start.s
 #ld: --gc-sections
 #readelf: -s --wide
-#notarget: d30v-*-* dlx-*-* i960-*-* pj*-*-*
+#notarget: d30v-*-* dlx-*-* i960-*-* pj*-*-* pru-*-*
 #notarget: hppa64-*-* i370-*-* i860-*-* ia64-*-* mep-*-* mn10200-*-*
 # generic linker targets don't support --gc-sections, nor do a bunch of others
 
diff --git a/ld/testsuite/ld-elf/pr14926.d b/ld/testsuite/ld-elf/pr14926.d
index 88c521c..8fc8e64 100644
--- a/ld/testsuite/ld-elf/pr14926.d
+++ b/ld/testsuite/ld-elf/pr14926.d
@@ -1,6 +1,6 @@
 #ld: -Ttext=0x60
 #readelf: -S --wide
-#notarget: d10v-* m68hc1*-* msp*-* visium-* xgate-* xstormy*-*
+#notarget: d10v-* m68hc1*-* msp*-* visium-* xgate-* xstormy*-* pru-*-*
 # the above targets use memory regions that don't allow 0x60 for .text
 
 #...
diff --git a/ld/testsuite/ld-elf/sec-to-seg.exp b/ld/testsuite/ld-elf/sec-to-seg.exp
index 8847318..af3d604 100644
--- a/ld/testsuite/ld-elf/sec-to-seg.exp
+++ b/ld/testsuite/ld-elf/sec-to-seg.exp
@@ -87,6 +87,7 @@ if {    [istarget avr-*-*]
      || [istarget moxie-*-*]
      || [istarget msp430-*-*]
      || [istarget mt-*-*]
+     || [istarget pru-*-*]
      || [istarget visium-*-*]
     } {
     set B_test_same_seg 0
diff --git a/ld/testsuite/ld-elf/sec64k.exp b/ld/testsuite/ld-elf/sec64k.exp
index 7f7a9f3..283d779 100644
--- a/ld/testsuite/ld-elf/sec64k.exp
+++ b/ld/testsuite/ld-elf/sec64k.exp
@@ -170,7 +170,8 @@ if { ![istarget "d10v-*-*"]
      && ![istarget "avr-*-*"]
      && ![istarget "msp*-*-*"]
      && ![istarget "fr30-*-*"] 
-     && ![istarget "iq2000-*-*"] } {
+     && ![istarget "iq2000-*-*"]
+     && ![istarget "pru-*-*"] } {
     foreach sfile $sfiles { puts $ofd "#source: $sfile" }
     if { [istarget spu*-*-*] } {
 	puts $ofd "#ld: --local-store 0:0"
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 0000000..414234f
--- /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 0000000..1879ef4
--- /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 0000000..bf0a8a1
--- /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 0000000..82229c1
--- /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 0000000..123ead3
--- /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 0000000..1165fe6
--- /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 0000000..2e16066
--- /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 0000000..47fc2c1
--- /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 0000000..072de5f
--- /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 0000000..95602c5
--- /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 0000000..2a55773
--- /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 0000000..2dc424c
--- /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 0000000..a885237
--- /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 0000000..e33bd80
--- /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 0000000..604ea98
--- /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 0000000..a4bcf97
--- /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 0000000..604ea98
--- /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 0000000..8eb71f5
--- /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 0000000..60ff058
--- /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 0000000..948e5a5
--- /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 0000000..e4652fa
--- /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 0000000..b5747de
--- /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 0000000..4c67ae3
--- /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 0000000..d3eb386
--- /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 0000000..ac01a3c
--- /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 0000000..2c24fe4
--- /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 0000000..1371f1c
--- /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 0000000..18fb57f
--- /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 0000000..c2cf554
--- /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 0000000..8bd1cec
--- /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 0000000..3d40c2e
--- /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 0000000..160a824
--- /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 0000000..9cc6482
--- /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 0000000..4527b8f
--- /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 0000000..5e4e79d
--- /dev/null
+++ b/ld/testsuite/ld-pru/u16_symbol.s
@@ -0,0 +1,2 @@
+	.global short_symbol
+	.set short_symbol, 54321
diff --git a/ld/testsuite/ld-srec/srec.exp b/ld/testsuite/ld-srec/srec.exp
index 9fcf07a..10b0a51 100644
--- a/ld/testsuite/ld-srec/srec.exp
+++ b/ld/testsuite/ld-srec/srec.exp
@@ -300,6 +300,11 @@ proc run_srec_test { test objs } {
 	set flags "$flags -no-relax"
     }
 
+    # PRU ELF target relaxes by default; S-Record linker does not
+    if [istarget pru*-*-*] {
+	set flags "$flags -no-relax"
+    }
+
     if { ![ld_simple_link $ld tmpdir/sr1 "$flags $objs"] \
 	 || ![ld_simple_link $ld tmpdir/sr2.sr "$flags --oformat srec $objs"] } {
 	fail $test
diff --git a/ld/testsuite/lib/ld-lib.exp b/ld/testsuite/lib/ld-lib.exp
index de0848a..5049b12 100644
--- a/ld/testsuite/lib/ld-lib.exp
+++ b/ld/testsuite/lib/ld-lib.exp
@@ -1705,6 +1705,7 @@ proc check_gc_sections_available { } {
 	    || [istarget dlx-*-*]
 	    || [istarget i960-*-*]
 	    || [istarget pj*-*-*]
+	    || [istarget pru*-*-*]
 	    || [istarget alpha-*-*]
 	    || [istarget hppa*64-*-*]
 	    || [istarget i370-*-*]
@@ -1777,6 +1778,7 @@ proc check_shared_lib_support { } {
 	 && ![istarget nds32*-*-*]
 	 && ![istarget or1k*-*-*]
 	 && ![istarget pj-*-*]
+	 && ![istarget pru-*-*]
 	 && ![istarget rl78-*-*]
 	 && ![istarget rx-*-*]
 	 && ![istarget spu-*-*]