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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
This commit is contained in:
Andrew Haley 2001-06-03 14:05:38 +00:00 committed by Andrew Haley
parent c777a6def9
commit 552cb45af3
4 changed files with 166 additions and 4 deletions
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6
libffi/ChangeLog
View File

@ -1,3 +1,9 @@
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.
2000-05-31 Jeff Sturm <jsturm@one-point.com>
* configure.in: Fix AC_ARG_ENABLE usage.

71
libffi/src/alpha/osf.S
View File

@ -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:

39
libffi/src/powerpc/ppc_closure.S
View File

@ -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:

54
libffi/src/powerpc/sysv.S
View File

@ -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: