osf.S: Add unwind info.

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.

From-SVN: r42828

3 files changed, 160 insertions, 4 deletions

diff --git a/libffi/src/alpha/osf.S b/libffi/src/alpha/osf.S
index b3dc477..5605669 100644
--- a/libffi/src/alpha/osf.S
+++ b/libffi/src/alpha/osf.S
@@ -1,5 +1,5 @@
 /* -----------------------------------------------------------------------
-   osf.S - Copyright (c) 1998 Cygnus Solutions
+   osf.S - Copyright (c) 1998, 2001 Red Hat
    
    Alpha/OSF Foreign Function Interface 
 
@@ -42,12 +42,16 @@
 ffi_call_osf:
 	.frame	$15, 32, $26, 0
 	.mask   0x4008000, -32
+$LFB1:
 	addq	$16,$17,$1
 	mov	$16, $30
 	stq	$26, 0($1)
+$LCFI0:
 	stq	$15, 8($1)
+$LCFI1:
 	stq	$18, 16($1)
 	mov	$1, $15
+$LCFI2:
 	.prologue 0
 
 	stq	$19, 24($1)
@@ -108,6 +112,7 @@ $retdouble:
 	nop
 	ldq	$15, 8($15)
 	ret
+$LFE1:
 
 	.end	ffi_call_osf
 
@@ -121,9 +126,12 @@ $retdouble:
 ffi_closure_osf:
 	.frame	$30, 16*8, $26, 0
 	.mask	0x4000000, -16*8
+$LFB2:
 	ldgp	$29, 0($27)
 	subq	$30, 16*8, $30
+$LCFI5:
 	stq	$26, 0($30)
+$LCFI6:
 	.prologue 1
 
 	# Store all of the potential argument registers in va_list format.
@@ -237,6 +245,7 @@ $load_64:
 	nop
 	addq	$30, 16*8, $30
 	ret
+$LFE2:
 
 	.end	ffi_closure_osf
 
@@ -275,3 +284,63 @@ $load_table:
 	|| FFI_TYPE_LAST != 14
 #error "osf.S out of sync with ffi.h"
 #endif
+
+	.section	.eh_frame,"aw",@progbits
+__FRAME_BEGIN__:
+	.4byte	$LECIE1-$LSCIE1	 # Length of Common Information Entry
+$LSCIE1:
+	.4byte	0x0	 # CIE Identifier Tag
+	.byte	0x1	 # CIE Version
+	.ascii "zR\0"	 # CIE Augmentation
+	.byte	0x1	 # uleb128 0x1; CIE Code Alignment Factor
+	.byte	0x78	 # sleb128 -8; CIE Data Alignment Factor
+	.byte	0x1a	 # CIE RA Column
+	.byte	0x1	 # uleb128 0x1; Augmentation size
+	.byte	0x1b	 # FDE Encoding (pcrel sdata4)
+	.byte	0xc	 # DW_CFA_def_cfa
+	.byte	0x1e	 # uleb128 0x1e
+	.byte	0x0	 # uleb128 0x0
+	.align 3
+$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	0x0	 # uleb128 0x0; Augmentation size
+	.byte	0x4	 # DW_CFA_advance_loc4
+	.4byte	$LCFI0-$LFB1
+	.byte	0xe	 # DW_CFA_def_cfa_offset
+	.byte	0x30	 # uleb128 0x30
+	.byte	0x4	 # DW_CFA_advance_loc4
+	.4byte	$LCFI1-$LCFI0
+	.byte	0x9a	 # DW_CFA_offset, column 0x1a
+	.byte	0x6	 # uleb128 0x6
+	.byte	0x8f	 # DW_CFA_offset, column 0xf
+	.byte	0x5	 # uleb128 0x5
+	.byte	0x4	 # DW_CFA_advance_loc4
+	.4byte	$LCFI2-$LCFI1
+	.byte	0xc	 # DW_CFA_def_cfa
+	.byte	0xf	 # uleb128 0xf
+	.byte	0x30	 # uleb128 0x30
+	.align 3
+$LEFDE1:
+
+$LSFDE3:
+	.4byte	$LEFDE3-$LASFDE3	 # FDE Length
+$LASFDE3:
+	.4byte	$LASFDE3-__FRAME_BEGIN__	 # FDE CIE offset
+	.4byte	$LFB2-.	 # FDE initial location
+	.4byte	$LFE2-$LFB2	 # FDE address range
+	.byte	0x0	 # uleb128 0x0; Augmentation size
+	.byte	0x4	 # DW_CFA_advance_loc4
+	.4byte	$LCFI5-$LFB2
+	.byte	0xe	 # DW_CFA_def_cfa_offset
+	.byte	0x90,0x1	 # uleb128 0x90
+	.byte	0x4	 # DW_CFA_advance_loc4
+	.4byte	$LCFI6-$LCFI5
+	.byte	0x9a	 # DW_CFA_offset, column 0x1a
+	.byte	0x12	 # uleb128 0x12
+	.align 3
+$LEFDE3:
diff --git a/libffi/src/powerpc/ppc_closure.S b/libffi/src/powerpc/ppc_closure.S
index 3118577..a9ea9c7 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 88b0378..538ffa8 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: