RE: [PATCH, ARM 4/7] Add support for linking ARMv8-M object files

["Thomas Preud'homme" <thomas dot preudhomme at foss dot arm dot com>]

> From: binutils-owner@sourceware.org [mailto:binutils-
> owner@sourceware.org] On Behalf Of Thomas Preud'homme
> Sent: Thursday, December 24, 2015 5:38 PM
> 
> >
> > As a follow-up could you please convert the example I gave into a
> > testcase?  I'll pre-approve that :-)
> 
> Will do tomorrow, as a nice Christmas gift :-)

One day late but here you go:


*** ld/testsuite/ChangeLog ***

2015-12-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * ld-arm/arm-elf.exp: Run new test "Thumb-Thumb farcall v6-M (no
        profile)".
        * ld-arm/farcall-thumb-thumb-m-no-profile-a.s: New file.
        * ld-arm/farcall-thumb-thumb-m-no-profile-b.s: Likewise.
        * ld-arm/farcall-thumb-thumb-m-no-profile.d: Likewise.


diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index 879aab4..bcbd203 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,3 +1,11 @@
+2015-12-26  Thomas Preud'homme  <thomas.preudhomme@arm.com>
+
+	* ld-arm/arm-elf.exp: Run new test "Thumb-Thumb farcall v6-M (no
+	profile)".
+	* ld-arm/farcall-thumb-thumb-m-no-profile-a.s: New file.
+	* ld-arm/farcall-thumb-thumb-m-no-profile-b.s: Likewise.
+	* ld-arm/farcall-thumb-thumb-m-no-profile.d: Likewise.
+
 2015-12-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
 
 	* ld-arm/arm-elf.exp (armeabitests_common): Run new tests
diff --git a/ld/testsuite/ld-arm/arm-elf.exp b/ld/testsuite/ld-arm/arm-elf.exp
index 724e338..2a10177 100644
--- a/ld/testsuite/ld-arm/arm-elf.exp
+++ b/ld/testsuite/ld-arm/arm-elf.exp
@@ -481,6 +481,10 @@ set armeabitests_nonacl {
     {"Thumb-Thumb farcall (PIC veneer)" "-Ttext 0x1000 --section-start .foo=0x2001014 --pic-veneer" "" "-march=armv4t" {farcall-thumb-thumb.s}
      {{objdump -d farcall-thumb-thumb-pic-veneer.d}}
      "farcall-thumb-thumb-pic-veneer"}
+    {"Thumb-Thumb farcall v6-M (no profile)" "-Ttext 0x1000" "" ""
+     {farcall-thumb-thumb-m-no-profile-a.s farcall-thumb-thumb-m-no-profile-b.s}
+     {{objdump -d farcall-thumb-thumb-m-no-profile.d}}
+     "farcall-thumb-thumb-m-no-profile"}
 
     {"Thumb-ARM farcall" "-Ttext 0x1c01010 --section-start .foo=0x2001014" "" "-W" {farcall-thumb-arm.s}
      {{objdump -d farcall-thumb-arm.d}}
diff --git a/ld/testsuite/ld-arm/farcall-thumb-thumb-m-no-profile-a.s b/ld/testsuite/ld-arm/farcall-thumb-thumb-m-no-profile-a.s
new file mode 100644
index 0000000..cecd5a5
--- /dev/null
+++ b/ld/testsuite/ld-arm/farcall-thumb-thumb-m-no-profile-a.s
@@ -0,0 +1,8 @@
+	.eabi_attribute	Tag_CPU_arch, 11	@ V6-M
+	.thumb
+	.type _start, function
+	.global _start
+	.text
+_start:
+	bl	myfunc
+	b	.
diff --git a/ld/testsuite/ld-arm/farcall-thumb-thumb-m-no-profile-b.s b/ld/testsuite/ld-arm/farcall-thumb-thumb-m-no-profile-b.s
new file mode 100644
index 0000000..6590021
--- /dev/null
+++ b/ld/testsuite/ld-arm/farcall-thumb-thumb-m-no-profile-b.s
@@ -0,0 +1,8 @@
+	.eabi_attribute	Tag_CPU_arch, 11	@ V6-M
+	.thumb
+	.type myfunc, function
+	.global myfunc
+	.text
+	.space 102400000
+myfunc:
+	bx	lr
diff --git a/ld/testsuite/ld-arm/farcall-thumb-thumb-m-no-profile.d b/ld/testsuite/ld-arm/farcall-thumb-thumb-m-no-profile.d
new file mode 100644
index 0000000..639fe5a
--- /dev/null
+++ b/ld/testsuite/ld-arm/farcall-thumb-thumb-m-no-profile.d
@@ -0,0 +1,24 @@
+.*:     file format .*
+
+Disassembly of section .text:
+
+00001000 <_start>:
+    1000:	f000 f802 	bl	1008 <__myfunc_veneer>
+    1004:	e7fe      	b.n	1004 <_start\+0x4>
+	\.\.\.
+
+00001008 <__myfunc_veneer>:
+    1008:	b401      	push	{r0}
+    100a:	4802      	ldr	r0, \[pc, #8\]	; \(1014 <__myfunc_veneer\+0xc>\)
+    100c:	4684      	mov	ip, r0
+    100e:	bc01      	pop	{r0}
+    1010:	4760      	bx	ip
+    1012:	bf00      	nop
+    1014:	061a9019 	.word	0x061a9019
+	\.\.\.
+
+00080000 <_stack>:
+	\.\.\.
+
+061a9018 <myfunc>:
+ 61a9018:	4770      	bx	lr

Best regards,

Thomas