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* src/s390/sysv.S: Save/restore %r6. Add DWARF-2 unwind info.

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From-SVN: r54317
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Ulrich Weigand 2002-06-06 12:51:23 +00:00 committed by Ulrich Weigand
parent 917ccc05a6
commit ad5e163ca6
2 changed files with 69 additions and 3 deletions
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4
libffi/ChangeLog
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@ -1,3 +1,7 @@
2002-06-06 Ulrich Weigand <uweigand@de.ibm.com>
* src/s390/sysv.S: Save/restore %r6. Add DWARF-2 unwind info.
2002-05-28 Bo Thorsen <bo@suse.de>
* src/x86/ffi.c (ffi_prep_incoming_args_SYSV): Remove

68
libffi/src/s390/sysv.S
View File

@ -42,13 +42,17 @@
.globl ffi_call_SYSV
.type ffi_call_SYSV,%function
ffi_call_SYSV:
.LFB1:
# Save registers
stm %r7,%r15,28(%r15)
stm %r6,%r15,24(%r15)
.LCFI0:
l %r7,96(%r15) # Get A(fn)
lr %r0,%r15
ahi %r15,-128 # Make room for my args
.LCFI1:
st %r0,0(%r15) # Set backchain
lr %r11,%r15 # Establish my stack register
.LCFI2:
sr %r15,%r4 # Make room for fn args
ahi %r15,-96 # Make room for new frame
lr %r10,%r15 # Establish stack build area
@ -154,8 +158,66 @@ ffi_call_SYSV:
.Lepilogue:
l %r15,0(%r11)
l %r4,56(%r15)
lm %r7,%r15,28(%r15)
lm %r6,%r15,24(%r15)
br %r4
.LFE1:
.ffi_call_SYSV_end:
.size ffi_call_SYSV,.ffi_call_SYSV_end-ffi_call_SYSV
.section .eh_frame,"aw",@progbits
.Lframe1:
.4byte .LECIE1-.LSCIE1 # Length of Common Information Entry
.LSCIE1:
.4byte 0x0 # CIE Identifier Tag
.byte 0x1 # CIE Version
.ascii "\0" # CIE Augmentation
.uleb128 0x1 # CIE Code Alignment Factor
.sleb128 -4 # CIE Data Alignment Factor
.byte 0xe # CIE RA Column
.byte 0xc # DW_CFA_def_cfa
.uleb128 0xf
.uleb128 0x60
.align 4
.LECIE1:
.LSFDE1:
.4byte .LEFDE1-.LASFDE1 # FDE Length
.LASFDE1:
.4byte .LASFDE1-.Lframe1 # FDE CIE offset
.4byte .LFB1 # FDE initial location
.4byte .LFE1-.LFB1 # FDE address range
.uleb128 0x0 # Augmentation size
.byte 0x4 # DW_CFA_advance_loc4
.4byte .LCFI0-.LFB1
.byte 0x8f # DW_CFA_offset, column 0xf
.uleb128 0x9
.byte 0x8e # DW_CFA_offset, column 0xe
.uleb128 0xa
.byte 0x8d # DW_CFA_offset, column 0xd
.uleb128 0xb
.byte 0x8c # DW_CFA_offset, column 0xc
.uleb128 0xc
.byte 0x8b # DW_CFA_offset, column 0xb
.uleb128 0xd
.byte 0x8a # DW_CFA_offset, column 0xa
.uleb128 0xe
.byte 0x89 # DW_CFA_offset, column 0x9
.uleb128 0xf
.byte 0x88 # DW_CFA_offset, column 0x8
.uleb128 0x10
.byte 0x87 # DW_CFA_offset, column 0x7
.uleb128 0x11
.byte 0x86 # DW_CFA_offset, column 0x6
.uleb128 0x12
.byte 0x4 # DW_CFA_advance_loc4
.4byte .LCFI1-.LCFI0
.byte 0xe # DW_CFA_def_cfa_offset
.uleb128 0xe0
.byte 0x4 # DW_CFA_advance_loc4
.4byte .LCFI2-.LCFI1
.byte 0xd # DW_CFA_def_cfa_register
.uleb128 0xb
.align 4
.LEFDE1: