* dw2gencfi.c (cfi_pseudo_table): Add cfi_gnu_window_save.

	(dot_cfi, output_cfi_insn): Handle DW_CFA_GNU_window_save.
	(output_cie): Don't use DW_EH_PE_pcrel if neither DIFF_EXPR_OK
	nor tc_cfi_emit_pcrel_expr are defined.
	(output_fde): Use tc_cfi_emit_pcrel_expr if available and
	DIFF_EXPR_OK is not defined.
	* config/tc-sparc.h (TARGET_USE_CFIPOP): Define.
	(tc_cfi_frame_initial_instructions, tc_regname_to_dw2regnum,
	tc_cfi_emit_pcrel_expr): Define.
	(sparc_cfi_frame_initial_instructions, sparc_regname_to_dw2regnum,
	sparc_cfi_emit_pcrel_expr): New prototypes.
	(sparc_cie_data_alignment): New decl.
	(DWARF2_DEFAULT_RETURN_COLUMN, DWARF2_CIE_DATA_ALIGNMENT): Define.
	* config/tc-sparc.c: Include dw2gencfi.h.
	(sparc_cie_data_alignment): New variable.
	(md_begin): Initialize it.
	(sparc_cfi_frame_initial_instructions): New function.
	(sparc_regname_to_dw2regnum): Likewise.
	(sparc_cfi_emit_pcrel_expr): Likewise.
	* doc/as.texinfo: Document .cfi_gnu_window_save.

	* config/tc-sparc.c (s_common): Cast last argument to long and
	change format string to shut up warning.
testsuite/
	* gas/cfi/cfi-sparc-1.s: New test.
	* gas/cfi/cfi-sparc-1.d: New test.
	* gas/cfi/cfi-sparc64-1.s: New test.
	* gas/cfi/cfi-sparc64-1.d: New test.
	* gas/cfi/cfi.exp: Run them.

6 files changed, 114 insertions, 0 deletions

diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index e068922..28754a4 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,3 +1,11 @@
+2003-08-29  Jakub Jelinek  <jakub@redhat.com>
+
+	* gas/cfi/cfi-sparc-1.s: New test.
+	* gas/cfi/cfi-sparc-1.d: New test.
+	* gas/cfi/cfi-sparc64-1.s: New test.
+	* gas/cfi/cfi-sparc64-1.d: New test.
+	* gas/cfi/cfi.exp: Run them.
+
 2003-08-19  Nick Clifton  <nickc@redhat.com>
 
 	* gas/arm/copro.s: Add tests of Addressing Mode 5 (Unindexed).
diff --git a/gas/testsuite/gas/cfi/cfi-sparc-1.d b/gas/testsuite/gas/cfi/cfi-sparc-1.d
new file mode 100644
index 0000000..ac927ac
--- /dev/null
+++ b/gas/testsuite/gas/cfi/cfi-sparc-1.d
@@ -0,0 +1,22 @@
+#readelf: -wf
+#name: CFI on SPARC 32-bit
+#as: -32
+
+The section .eh_frame contains:
+
+00000000 00000010 00000000 CIE
+  Version:               1
+  Augmentation:          "zR"
+  Code alignment factor: 4
+  Data alignment factor: -4
+  Return address column: 15
+  Augmentation data:     1b
+
+  DW_CFA_def_cfa: r14 ofs 0
+
+00000014 00000014 00000018 FDE cie=00000000 pc=0000001c..00000040
+  DW_CFA_advance_loc: 4 to 00000020
+  DW_CFA_def_cfa_reg: r30
+  DW_CFA_GNU_window_save
+  DW_CFA_register: r15 in r31
+
diff --git a/gas/testsuite/gas/cfi/cfi-sparc-1.s b/gas/testsuite/gas/cfi/cfi-sparc-1.s
new file mode 100644
index 0000000..5e7812a
--- /dev/null
+++ b/gas/testsuite/gas/cfi/cfi-sparc-1.s
@@ -0,0 +1,23 @@
+#; $ as -o test.o -32 gas-cfi-test.s && gcc -m32 -nostdlib -o test test.o
+
+	.file	"a.c"
+	.text
+	.align	4
+	.globl foo
+	.type	foo, @function
+foo:
+	.cfi_startproc
+        save    %sp, -104, %sp
+	.cfi_def_cfa_register	%fp
+	.cfi_gnu_window_save
+	.cfi_register	%o7, %i7
+	add	%i0, 1, %o0
+	call	bar, 0
+	add	%i0, 2, %i0
+	call	bar, 0
+	mov	%i0, %o0
+	add	%o0, 3, %o0
+	ret
+	restore	%g0, %o0, %o0
+	.cfi_endproc
+	.size	foo, .-foo
diff --git a/gas/testsuite/gas/cfi/cfi-sparc64-1.d b/gas/testsuite/gas/cfi/cfi-sparc64-1.d
new file mode 100644
index 0000000..ffe6239
--- /dev/null
+++ b/gas/testsuite/gas/cfi/cfi-sparc64-1.d
@@ -0,0 +1,25 @@
+#readelf: -wf
+#name: CFI on SPARC 64-bit
+#as: -64
+
+The section .eh_frame contains:
+
+00000000 00000011 00000000 CIE
+  Version:               1
+  Augmentation:          "zR"
+  Code alignment factor: 4
+  Data alignment factor: -8
+  Return address column: 15
+  Augmentation data:     1b
+
+  DW_CFA_def_cfa: r14 ofs 2047
+
+00000015 00000017 00000019 FDE cie=00000000 pc=0000001d..0000004d
+  DW_CFA_advance_loc: 4 to 00000021
+  DW_CFA_def_cfa_reg: r30
+  DW_CFA_GNU_window_save
+  DW_CFA_register: r15 in r31
+  DW_CFA_nop
+  DW_CFA_nop
+  DW_CFA_nop
+
diff --git a/gas/testsuite/gas/cfi/cfi-sparc64-1.s b/gas/testsuite/gas/cfi/cfi-sparc64-1.s
new file mode 100644
index 0000000..0ddf8e1
--- /dev/null
+++ b/gas/testsuite/gas/cfi/cfi-sparc64-1.s
@@ -0,0 +1,26 @@
+#; $ as -o test.o -64 gas-cfi-test.s && gcc -m64 -nostdlib -o test test.o
+
+	.file	"a.c"
+	.text
+	.align	4
+	.globl foo
+	.type	foo, @function
+foo:
+	.cfi_startproc
+	save	%sp, -192, %sp
+	.cfi_def_cfa_register	%fp
+	.cfi_gnu_window_save
+	.cfi_register	%o7, %i7
+	add	%i0, 1, %o0
+	add	%i0, 2, %i0
+	call	bar, 0
+	sra	%o0, 0, %o0
+	sra	%i0, 0, %i0
+	call	bar, 0
+	mov	%i0, %o0
+	add	%o0, 3, %o0
+	sra	%o0, 0, %o0
+	ret
+	restore	%g0, %o0, %o0
+	.cfi_endproc
+	.size	foo, .-foo
diff --git a/gas/testsuite/gas/cfi/cfi.exp b/gas/testsuite/gas/cfi/cfi.exp
index d1b1ca8..d09d6fd 100644
--- a/gas/testsuite/gas/cfi/cfi.exp
+++ b/gas/testsuite/gas/cfi/cfi.exp
@@ -39,6 +39,16 @@ if [istarget "x86_64-*"] then {
 } elseif { [istarget "m68*-*"] } then {
     run_dump_test "cfi-m68k"
 
+} elseif { [istarget sparc*-*-*] } then {
+    global NM
+    global NMFLAGS
+    global srcdir
+
+    catch "exec $srcdir/lib/run $NM $NMFLAGS --help" nm_help
+    run_dump_test "cfi-sparc-1"
+    if { [regexp "elf64\[_-\]sparc" $nm_help] } then {
+	run_dump_test "cfi-sparc64-1"
+    }
 } else {
     return
 }