2001-06-03 Andrew Haley <aph@redhat.com>

        * src/alpha/osf.S: Add unwind info.
        * src/powerpc/sysv.S: Add unwind info.
        * src/powerpc/ppc_closure.S: Likewise.


git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@42828 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 90 insertions, 3 deletions

diff --git a/libffi/src/powerpc/ppc_closure.S b/libffi/src/powerpc/ppc_closure.S
index 311857724cc..a9ea9c7ee52 100644
--- a/libffi/src/powerpc/ppc_closure.S
+++ b/libffi/src/powerpc/ppc_closure.S
@@ -4,9 +4,12 @@
 .globl	ffi_closure_helper_SYSV
 
 ENTRY(ffi_closure_SYSV)
+.LFB1:
 	stwu %r1,-144(%r1)
+.LCFI0:
 	mflr %r0
 	stw %r31,140(%r1)
+.LCFI1:
 	stw %r0,148(%r1)
 
 # we want to build up an areas for the parameters passed
@@ -67,6 +70,7 @@ ENTRY(ffi_closure_SYSV)
 	add %r3,%r3,%r4          # add contents of table to table address
 	mtctr %r3
 	bctr               # jump to it
+.LFE1:
 	.align 2
 .L60:
 	.long .L44-.L60    # FFI_TYPE_VOID
@@ -143,6 +147,35 @@ ENTRY(ffi_closure_SYSV)
 	blr
 END(ffi_closure_SYSV)
 
-
-
-
+	.section	".eh_frame","aw"
+__FRAME_BEGIN__:
+	.4byte	.LECIE1-.LSCIE1	 # Length of Common Information Entry
+.LSCIE1:
+	.4byte	0x0	 # CIE Identifier Tag
+	.byte	0x1	 # CIE Version
+	.ascii "\0"	 # CIE Augmentation
+	.byte	0x1	 # uleb128 0x1; CIE Code Alignment Factor
+	.byte	0x7c	 # sleb128 -4; CIE Data Alignment Factor
+	.byte	0x41	 # CIE RA Column
+	.byte	0xc	 # DW_CFA_def_cfa
+	.byte	0x1	 # uleb128 0x1
+	.byte	0x0	 # uleb128 0x0
+	.align 2
+.LECIE1:
+.LSFDE1:
+	.4byte	.LEFDE1-.LASFDE1	 # FDE Length
+.LASFDE1:
+	.4byte	.LASFDE1-__FRAME_BEGIN__	 # FDE CIE offset
+	.4byte	.LFB1	 # FDE initial location
+	.4byte	.LFE1-.LFB1	 # FDE address range
+	.byte	0x4	 # DW_CFA_advance_loc4
+	.4byte	.LCFI0-.LFB1
+	.byte	0xe	 # DW_CFA_def_cfa_offset
+	.byte	144,1	 # uleb128 144
+	.byte	0x4	 # DW_CFA_advance_loc4
+	.4byte	.LCFI1-.LCFI0
+	.byte	0x2f	 # DW_CFA_GNU_negative_offset_extended
+	.byte	0x41	 # uleb128 0x41
+	.byte	0x1	 # uleb128 0x1
+	.align 2
+.LEFDE1:
diff --git a/libffi/src/powerpc/sysv.S b/libffi/src/powerpc/sysv.S
index 88b037844f3..538ffa83bdb 100644
--- a/libffi/src/powerpc/sysv.S
+++ b/libffi/src/powerpc/sysv.S
@@ -31,24 +31,32 @@
 
 	.globl ffi_prep_args
 ENTRY(ffi_call_SYSV)
+.LFB1:
 	/* Save the old stack pointer as AP.  */
 	mr	%r8,%r1
 
+.LCFI0:
 	/* Allocate the stack space we need.  */
 	stwux	%r1,%r1,%r4
 	/* Save registers we use.  */
 	mflr	%r9
 	stw	%r28,-16(%r8)
+.LCFI1:
 	stw	%r29,-12(%r8)
+.LCFI2:
 	stw	%r30, -8(%r8)
+.LCFI3:
 	stw	%r31, -4(%r8)
+.LCFI4:
 	stw	%r9,   4(%r8)
+.LCFI5:
 
 	/* Save arguments over call...  */
 	mr	%r31,%r5	/* flags, */
 	mr	%r30,%r6	/* rvalue, */
 	mr	%r29,%r7	/* function address, */
 	mr	%r28,%r8	/* our AP. */
+.LCFI6:
 
 	/* Call ffi_prep_args.  */
 	mr	%r4,%r1
@@ -116,4 +124,50 @@ L(fp_return_value):
 L(float_return_value):
 	stfs	%f1,0(%r30)
 	b	L(done_return_value)
+.LFE1:
 END(ffi_call_SYSV)
+
+      .section  ".eh_frame","aw"
+__FRAME_BEGIN__:
+      .4byte    .LECIE1-.LSCIE1  /*  Length of Common Information Entry */
+.LSCIE1:
+      .4byte    0x0      /*  CIE Identifier Tag */
+      .byte     0x1      /*  CIE Version */
+      .ascii "\0"        /*  CIE Augmentation */
+      .byte     0x1      /*  uleb128 0x1; CIE Code Alignment Factor */
+      .byte     0x7c     /*  sleb128 -4; CIE Data Alignment Factor */
+      .byte     0x41     /*  CIE RA Column */
+      .byte     0xc      /*  DW_CFA_def_cfa */
+      .byte     0x1      /*  uleb128 0x1 */
+      .byte     0x0      /*  uleb128 0x0 */
+      .align 2
+.LECIE1:
+.LSFDE1:
+      .4byte    .LEFDE1-.LASFDE1         /*  FDE Length */
+.LASFDE1:
+      .4byte    .LASFDE1-__FRAME_BEGIN__         /*  FDE CIE offset */
+      .4byte    .LFB1    /*  FDE initial location */
+      .4byte    .LFE1-.LFB1      /*  FDE address range */
+      .byte     0x4      /*  DW_CFA_advance_loc4 */
+      .4byte    .LCFI0-.LFB1
+      .byte     0xd      /*  DW_CFA_def_cfa_register */
+      .byte     0x08     /*  uleb128 0x08 */
+      .byte     0x4      /*  DW_CFA_advance_loc4 */
+      .4byte    .LCFI5-.LCFI0
+      .byte     0x2f     /*  DW_CFA_GNU_negative_offset_extended */
+      .byte     0x41     /*  uleb128 0x41 */
+      .byte     0x1      /*  uleb128 0x1 */
+      .byte     0x9f     /*  DW_CFA_offset, column 0x1f */
+      .byte     0x1      /*  uleb128 0x1 */
+      .byte     0x9e     /*  DW_CFA_offset, column 0x1e */
+      .byte     0x2      /*  uleb128 0x2 */
+      .byte     0x9d     /*  DW_CFA_offset, column 0x1d */
+      .byte     0x3      /*  uleb128 0x3 */
+      .byte     0x9c     /*  DW_CFA_offset, column 0x1c */
+      .byte     0x4      /*  uleb128 0x4 */
+      .byte     0x4      /*  DW_CFA_advance_loc4 */
+      .4byte    .LCFI6-.LCFI5
+      .byte     0xd      /*  DW_CFA_def_cfa_register */
+      .byte     0x1c     /*  uleb128 0x1c */
+      .align 2
+.LEFDE1: