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add unwind infor for *go_closure;

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reorder the labels to make thing more clear
This commit is contained in:
foxsen
2015-08-20 20:28:13 +08:00
parent f0ecd5d403
commit 5953c66bd7
2 changed files with 102 additions and 42 deletions
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src/mips/n32.S
+50 -27
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@@ -53,19 +53,19 @@
.globl ffi_call_N32
.ent ffi_call_N32
ffi_call_N32:
.LFB3:
.LFB0:
.frame $fp, SIZEOF_FRAME, ra
.mask 0xc0000000,-FFI_SIZEOF_ARG
.fmask 0x00000000,0
# Prologue
SUBU $sp, SIZEOF_FRAME # Frame size
.LCFI0:
.LCFI00:
REG_S $fp, SIZEOF_FRAME - 2*FFI_SIZEOF_ARG($sp) # Save frame pointer
REG_S ra, SIZEOF_FRAME - 1*FFI_SIZEOF_ARG($sp) # Save return address
.LCFI1:
.LCFI01:
move $fp, $sp
.LCFI3:
.LCFI02:
move t9, callback # callback function pointer
REG_S bytes, 2*FFI_SIZEOF_ARG($fp) # bytes
REG_S flags, 3*FFI_SIZEOF_ARG($fp) # flags
@@ -354,7 +354,7 @@ epilogue:
ADDU $sp, SIZEOF_FRAME # Fix stack pointer
j ra
.LFE3:
.LFE0:
.end ffi_call_N32
/* ffi_closure_N32. Expects address of the passed-in ffi_closure in t0
@@ -417,13 +417,15 @@ epilogue:
.globl ffi_go_closure_N32
.ent ffi_go_closure_N32
ffi_go_closure_N32:
.LFB1:
.frame $sp, SIZEOF_FRAME2, ra
.mask 0x90000000,-(SIZEOF_FRAME2 - RA_OFF2)
.fmask 0x00000000,0
SUBU $sp, SIZEOF_FRAME2
.LCFI10:
.cpsetup t9, GP_OFF2, ffi_go_closure_N32
REG_S ra, RA_OFF2($sp) # Save return address
.LCFI11:
REG_S a0, A0_OFF2($sp)
REG_S a1, A1_OFF2($sp)
@@ -443,6 +445,7 @@ ffi_go_closure_N32:
b $do_closure
.LFE1:
.end ffi_go_closure_N32
.align 2
@@ -454,10 +457,10 @@ ffi_closure_N32:
.mask 0x90000000,-(SIZEOF_FRAME2 - RA_OFF2)
.fmask 0x00000000,0
SUBU $sp, SIZEOF_FRAME2
.LCFI5:
.LCFI20:
.cpsetup t9, GP_OFF2, ffi_closure_N32
REG_S ra, RA_OFF2($sp) # Save return address
.LCFI6:
.LCFI21:
REG_S a0, A0_OFF2($sp)
REG_S a1, A1_OFF2($sp)
REG_S a2, A2_OFF2($sp)
@@ -576,46 +579,66 @@ cls_epilogue:
.align EH_FRAME_ALIGN
.LECIE1:
.LSFDE1:
.4byte .LEFDE1-.LASFDE1 # length.
.LASFDE1:
.4byte .LASFDE1-.Lframe1 # CIE_pointer.
FDE_ADDR_BYTES .LFB3 # initial_location.
FDE_ADDR_BYTES .LFE3-.LFB3 # address_range.
.LSFDE0:
.4byte .LEFDE0-.LASFDE0 # length.
.LASFDE0:
.4byte .LASFDE0-.Lframe1 # CIE_pointer.
FDE_ADDR_BYTES .LFB0 # initial_location.
FDE_ADDR_BYTES .LFE0-.LFB0 # address_range.
.byte 0x4 # DW_CFA_advance_loc4
.4byte .LCFI0-.LFB3 # to .LCFI0
.4byte .LCFI00-.LFB0 # to .LCFI00
.byte 0xe # DW_CFA_def_cfa_offset
.uleb128 SIZEOF_FRAME # adjust stack.by SIZEOF_FRAME
.byte 0x4 # DW_CFA_advance_loc4
.4byte .LCFI1-.LCFI0 # to .LCFI1
.4byte .LCFI01-.LCFI00 # to .LCFI01
.byte 0x9e # DW_CFA_offset of $fp
.uleb128 2*FFI_SIZEOF_ARG/4 #
.byte 0x9f # DW_CFA_offset of ra
.uleb128 1*FFI_SIZEOF_ARG/4 #
.byte 0x4 # DW_CFA_advance_loc4
.4byte .LCFI3-.LCFI1 # to .LCFI3
.4byte .LCFI02-.LCFI01 # to .LCFI02
.byte 0xd # DW_CFA_def_cfa_register
.uleb128 0x1e # in $fp
.align EH_FRAME_ALIGN
.LEFDE1:
.LSFDE3:
.4byte .LEFDE3-.LASFDE3 # length
.LASFDE3:
.4byte .LASFDE3-.Lframe1 # CIE_pointer.
FDE_ADDR_BYTES .LFB2 # initial_location.
FDE_ADDR_BYTES .LFE2-.LFB2 # address_range.
.LEFDE0:
.LSFDE1:
.4byte .LEFDE1-.LASFDE1 # length
.LASFDE1:
.4byte .LASFDE1-.Lframe1 # CIE_pointer.
FDE_ADDR_BYTES .LFB1 # initial_location.
FDE_ADDR_BYTES .LFE1-.LFB1 # address_range.
.byte 0x4 # DW_CFA_advance_loc4
.4byte .LCFI5-.LFB2 # to .LCFI5
.4byte .LCFI10-.LFB2 # to .LCFI10
.byte 0xe # DW_CFA_def_cfa_offset
.uleb128 SIZEOF_FRAME2 # adjust stack.by SIZEOF_FRAME
.byte 0x4 # DW_CFA_advance_loc4
.4byte .LCFI6-.LCFI5 # to .LCFI6
.4byte .LCFI11-.LCFI10 # to .LCFI11
.byte 0x9c # DW_CFA_offset of $gp ($28)
.uleb128 (SIZEOF_FRAME2 - GP_OFF2)/4
.byte 0x9f # DW_CFA_offset of ra ($31)
.uleb128 (SIZEOF_FRAME2 - RA_OFF2)/4
.align EH_FRAME_ALIGN
.LEFDE3:
.LEFDE1:
.LSFDE2:
.4byte .LEFDE2-.LASFDE2 # length
.LASFDE2:
.4byte .LASFDE2-.Lframe1 # CIE_pointer.
FDE_ADDR_BYTES .LFB2 # initial_location.
FDE_ADDR_BYTES .LFE2-.LFB2 # address_range.
.byte 0x4 # DW_CFA_advance_loc4
.4byte .LCFI20-.LFB2 # to .LCFI20
.byte 0xe # DW_CFA_def_cfa_offset
.uleb128 SIZEOF_FRAME2 # adjust stack.by SIZEOF_FRAME
.byte 0x4 # DW_CFA_advance_loc4
.4byte .LCFI21-.LCFI20 # to .LCFI21
.byte 0x9c # DW_CFA_offset of $gp ($28)
.uleb128 (SIZEOF_FRAME2 - GP_OFF2)/4
.byte 0x9f # DW_CFA_offset of ra ($31)
.uleb128 (SIZEOF_FRAME2 - RA_OFF2)/4
.align EH_FRAME_ALIGN
.LEFDE2:
#endif /* __GNUC__ */
#endif