Unwinder info in libffi for Alpha

[Andrew Haley]

And Alpha...

2001-06-01    <aph@cambridge.redhat.com>

	* src/alpha/osf.S: Add unwind info.

Index: src/alpha/osf.S
===================================================================
RCS file: /cvs/gcc/gcc/libffi/src/alpha/osf.S,v
retrieving revision 1.3
diff -c -2 -p -r1.3 osf.S
*** osf.S	2000/12/10 07:13:18	1.3
--- osf.S	2001/06/01 13:59:48
***************
*** 1,4 ****
  /* -----------------------------------------------------------------------
!    osf.S - Copyright (c) 1998 Cygnus Solutions
     
     Alpha/OSF Foreign Function Interface 
--- 1,4 ----
  /* -----------------------------------------------------------------------
!    osf.S - Copyright (c) 1998, 2001 Red Hat
     
     Alpha/OSF Foreign Function Interface 
*************** ffi_call_osf:
*** 45,54 ****
--- 45,58 ----
  	.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
  
*************** $retdouble:
*** 111,114 ****
--- 115,119 ----
  	ldq	$15, 8($15)
  	ret
+ $LFE1:
  
  	.end	ffi_call_osf
*************** $retdouble:
*** 118,121 ****
--- 123,129 ----
     Receives the closure argument in $1.   */
  
+ 	.arch ev6
+ 	.text
+ 
  	.align	3
  	.globl	ffi_closure_osf
*************** ffi_closure_osf:
*** 124,130 ****
--- 132,141 ----
  	.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
  
*************** $load_64:
*** 240,243 ****
--- 251,255 ----
  	addq	$30, 16*8, $30
  	ret
+ $LFE2:
  
  	.end	ffi_closure_osf
*************** $load_table:
*** 278,279 ****
--- 290,351 ----
  #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: