Add support for generating ARM unwind tables.

3 files changed, 81 insertions, 1 deletions

diff --git a/gas/testsuite/gas/arm/arm.exp b/gas/testsuite/gas/arm/arm.exp
index 732468a..d1578ec 100644
--- a/gas/testsuite/gas/arm/arm.exp
+++ b/gas/testsuite/gas/arm/arm.exp
@@ -58,10 +58,11 @@ if {[istarget *arm*-*-*] || [istarget "xscale-*-*"]} then {
     run_errors_test "r15-bad" "" "Invalid use of r15 errors"
     run_errors_test "undefined" "" "Undefined local label error"
 
-    if {[istarget *-*-elf*] || [istarget *-*-linux*]} then {
+    if {[istarget *-*-*elf*] || [istarget *-*-linux*] || [istarget *-*-*eabi]} then {
 	run_dump_test "pic"
 	run_dump_test "mapping"
 	gas_test "bignum1.s" "" $stdoptlist "bignums"
+	run_dump_test "unwind"
     }
 
     if {! [istarget arm*-*-aout] && ![istarget arm-*-pe]} then {
diff --git a/gas/testsuite/gas/arm/unwind.d b/gas/testsuite/gas/arm/unwind.d
new file mode 100644
index 0000000..63f9fdb
--- /dev/null
+++ b/gas/testsuite/gas/arm/unwind.d
@@ -0,0 +1,33 @@
+#objdump: -sr
+#name: Unwind table generation
+
+.*:     file format.*
+
+RELOCATION RECORDS FOR \[.ARM.extab\]:
+OFFSET   TYPE              VALUE 
+0000000c R_ARM_PREL31      .text
+
+
+RELOCATION RECORDS FOR \[.ARM.exidx\]:
+OFFSET   TYPE              VALUE 
+00000000 R_ARM_REL32       .text
+00000008 R_ARM_REL32       .text
+0000000c R_ARM_PREL31      .ARM.extab
+00000010 R_ARM_REL32       .text
+00000014 R_ARM_PREL31      .ARM.extab
+00000018 R_ARM_REL32       .text
+0000001c R_ARM_PREL31      .ARM.extab
+00000020 R_ARM_REL32       .text
+
+
+Contents of section .text:
+ 0000 (0000a0e3 0100a0e3 0200a0e3 0300a0e3|e3a00000 a0e30001 e3a00002 e3a00003)  .*
+ 0010 (0420|2004)                                 .*
+Contents of section .ARM.extab:
+ 0000 (449b0181 b0b08086|81019b44 8680b0b0) 00000000 00000000  .*
+ 0010 (8402b101 b0b0b005 2a000000 00c60181|01b10284 05b0b0b0 000000a2 8101c600)  .*
+ 0020 (b0b0c1c1|c1c1b0b0) 00000000                    .*
+Contents of section .ARM.exidx:
+ 0000 00000000 (b0b0a880 04000000|80a8b0b0 00000004) 00000000  .*
+ 0010 (08000000 0c000000 0c000000 1c000000|00000008 0000000c 0000000c 0000001c)  .*
+ 0020 (10000000 08849780|00000010 80978480)                    .*
diff --git a/gas/testsuite/gas/arm/unwind.s b/gas/testsuite/gas/arm/unwind.s
new file mode 100644
index 0000000..43f01e6
--- /dev/null
+++ b/gas/testsuite/gas/arm/unwind.s
@@ -0,0 +1,46 @@
+# Test generation of unwind tables
+	.text
+foo:	@ Simple function
+	.fnstart
+	.save {r4, lr}
+	mov r0, #0
+	.fnend
+foo1:	@ Typical frame pointer prologue
+	.fnstart
+	.movsp ip
+	@mov ip, sp
+	.pad #4
+	.save {fp, ip, lr}
+	@stmfd sp!, {fp, ip, lr, pc}
+	.setfp fp, ip, #4
+	@sub fp, ip, #4
+	mov r0, #1
+	.fnend
+foo2:	@ Custom personality routine
+	.fnstart
+	.save {r1, r4, r6, lr}
+	@stmfd {r1, r4, r6, lr}
+	mov r0, #2
+	.personality foo
+	.handlerdata
+	.word 42
+	.fnend
+foo3:	@ Saving iwmmxt registers
+	.fnstart
+	.save {wr11}
+	.save {wr10}
+	.save {wr10, wr11}
+	.save {wr0}
+	mov r0, #3
+	.fnend
+	.code 16
+foo4:	@ Thumb frame pointer
+	.fnstart
+	.save {r7, lr}
+	@push {r7, lr}
+	.setfp r7, sp
+	@mov r7, sp
+	.pad #8
+	@sub sp, sp, #8
+	mov r0, #4
+	.fnend