summaryrefslogtreecommitdiff
path: root/libffi/src/powerpc/ppc_closure.S
diff options
context:
space:
mode:
Diffstat (limited to 'libffi/src/powerpc/ppc_closure.S')
-rw-r--r--libffi/src/powerpc/ppc_closure.S165
1 files changed, 89 insertions, 76 deletions
diff --git a/libffi/src/powerpc/ppc_closure.S b/libffi/src/powerpc/ppc_closure.S
index 0507128501e..b6d209de863 100644
--- a/libffi/src/powerpc/ppc_closure.S
+++ b/libffi/src/powerpc/ppc_closure.S
@@ -33,13 +33,14 @@
#ifndef POWERPC64
+FFI_HIDDEN(ffi_closure_SYSV)
ENTRY(ffi_closure_SYSV)
-.LFB1:
+ .cfi_startproc
stwu %r1,-144(%r1)
-.LCFI0:
+ .cfi_def_cfa_offset 144
mflr %r0
-.LCFI1:
stw %r0,148(%r1)
+ .cfi_offset 65, 4
# we want to build up an areas for the parameters passed
# in registers (both floating point and integer)
@@ -48,6 +49,17 @@ ENTRY(ffi_closure_SYSV)
stw %r3, 16(%r1)
stw %r4, 20(%r1)
stw %r5, 24(%r1)
+
+ # set up registers for the routine that does the work
+
+ # closure->cif
+ lwz %r3,FFI_TRAMPOLINE_SIZE(%r11)
+ # closure->fun
+ lwz %r4,FFI_TRAMPOLINE_SIZE+4(%r11)
+ # closure->user_data
+ lwz %r5,FFI_TRAMPOLINE_SIZE+8(%r11)
+
+.Ldoclosure:
stw %r6, 28(%r1)
stw %r7, 32(%r1)
stw %r8, 36(%r1)
@@ -66,23 +78,18 @@ ENTRY(ffi_closure_SYSV)
stfd %f8, 104(%r1)
#endif
- # set up registers for the routine that actually does the work
- # get the context pointer from the trampoline
- mr %r3,%r11
+ # pointer to the result storage
+ addi %r6,%r1,112
- # now load up the pointer to the result storage
- addi %r4,%r1,112
+ # pointer to the saved gpr registers
+ addi %r7,%r1,16
- # now load up the pointer to the saved gpr registers
- addi %r5,%r1,16
+ # pointer to the saved fpr registers
+ addi %r8,%r1,48
- # now load up the pointer to the saved fpr registers */
- addi %r6,%r1,48
-
- # now load up the pointer to the outgoing parameter
- # stack in the previous frame
+ # pointer to the outgoing parameter save area in the previous frame
# i.e. the previous frame pointer + 8
- addi %r7,%r1,152
+ addi %r9,%r1,152
# make the call
bl ffi_closure_helper_SYSV@local
@@ -101,7 +108,6 @@ ENTRY(ffi_closure_SYSV)
add %r3,%r3,%r4 # add contents of table to table address
mtctr %r3
bctr # jump to it
-.LFE1:
# Each of the ret_typeX code fragments has to be exactly 16 bytes long
# (4 instructions). For cache effectiveness we align to a 16 byte boundary
@@ -111,7 +117,9 @@ ENTRY(ffi_closure_SYSV)
.Lret_type0:
mtlr %r0
addi %r1,%r1,144
+ .cfi_def_cfa_offset 0
blr
+ .cfi_def_cfa_offset 144
nop
# case FFI_TYPE_INT
@@ -119,31 +127,33 @@ ENTRY(ffi_closure_SYSV)
mtlr %r0
.Lfinish:
addi %r1,%r1,144
+ .cfi_def_cfa_offset 0
blr
+ .cfi_def_cfa_offset 144
# case FFI_TYPE_FLOAT
#ifndef __NO_FPRS__
lfs %f1,112+0(%r1)
- mtlr %r0
- addi %r1,%r1,144
#else
nop
- nop
- nop
#endif
+ mtlr %r0
+ addi %r1,%r1,144
+ .cfi_def_cfa_offset 0
blr
+ .cfi_def_cfa_offset 144
# case FFI_TYPE_DOUBLE
#ifndef __NO_FPRS__
lfd %f1,112+0(%r1)
- mtlr %r0
- addi %r1,%r1,144
#else
nop
- nop
- nop
#endif
+ mtlr %r0
+ addi %r1,%r1,144
+ .cfi_def_cfa_offset 0
blr
+ .cfi_def_cfa_offset 144
# case FFI_TYPE_LONGDOUBLE
#ifndef __NO_FPRS__
@@ -152,10 +162,12 @@ ENTRY(ffi_closure_SYSV)
mtlr %r0
b .Lfinish
#else
- nop
- nop
- nop
+ mtlr %r0
+ addi %r1,%r1,144
+ .cfi_def_cfa_offset 0
blr
+ .cfi_def_cfa_offset 144
+ nop
#endif
# case FFI_TYPE_UINT8
@@ -166,7 +178,9 @@ ENTRY(ffi_closure_SYSV)
#endif
mtlr %r0
addi %r1,%r1,144
+ .cfi_def_cfa_offset 0
blr
+ .cfi_def_cfa_offset 144
# case FFI_TYPE_SINT8
#ifdef __LITTLE_ENDIAN__
@@ -186,7 +200,9 @@ ENTRY(ffi_closure_SYSV)
#endif
mtlr %r0
addi %r1,%r1,144
+ .cfi_def_cfa_offset 0
blr
+ .cfi_def_cfa_offset 144
# case FFI_TYPE_SINT16
#ifdef __LITTLE_ENDIAN__
@@ -196,19 +212,25 @@ ENTRY(ffi_closure_SYSV)
#endif
mtlr %r0
addi %r1,%r1,144
+ .cfi_def_cfa_offset 0
blr
+ .cfi_def_cfa_offset 144
# case FFI_TYPE_UINT32
lwz %r3,112+0(%r1)
mtlr %r0
addi %r1,%r1,144
+ .cfi_def_cfa_offset 0
blr
+ .cfi_def_cfa_offset 144
# case FFI_TYPE_SINT32
lwz %r3,112+0(%r1)
mtlr %r0
addi %r1,%r1,144
+ .cfi_def_cfa_offset 0
blr
+ .cfi_def_cfa_offset 144
# case FFI_TYPE_UINT64
lwz %r3,112+0(%r1)
@@ -225,14 +247,18 @@ ENTRY(ffi_closure_SYSV)
# case FFI_TYPE_STRUCT
mtlr %r0
addi %r1,%r1,144
+ .cfi_def_cfa_offset 0
blr
+ .cfi_def_cfa_offset 144
nop
# case FFI_TYPE_POINTER
lwz %r3,112+0(%r1)
mtlr %r0
addi %r1,%r1,144
+ .cfi_def_cfa_offset 0
blr
+ .cfi_def_cfa_offset 144
# case FFI_TYPE_UINT128
lwz %r3,112+0(%r1)
@@ -245,20 +271,26 @@ ENTRY(ffi_closure_SYSV)
lbz %r3,112+0(%r1)
mtlr %r0
addi %r1,%r1,144
+ .cfi_def_cfa_offset 0
blr
+ .cfi_def_cfa_offset 144
# case FFI_SYSV_TYPE_SMALL_STRUCT + 2. Two byte struct.
lhz %r3,112+0(%r1)
mtlr %r0
addi %r1,%r1,144
+ .cfi_def_cfa_offset 0
blr
+ .cfi_def_cfa_offset 144
# case FFI_SYSV_TYPE_SMALL_STRUCT + 3. Three byte struct.
lwz %r3,112+0(%r1)
#ifdef __LITTLE_ENDIAN__
mtlr %r0
addi %r1,%r1,144
+ .cfi_def_cfa_offset 0
blr
+ .cfi_def_cfa_offset 144
#else
srwi %r3,%r3,8
mtlr %r0
@@ -269,7 +301,9 @@ ENTRY(ffi_closure_SYSV)
lwz %r3,112+0(%r1)
mtlr %r0
addi %r1,%r1,144
+ .cfi_def_cfa_offset 0
blr
+ .cfi_def_cfa_offset 144
# case FFI_SYSV_TYPE_SMALL_STRUCT + 5. Five byte struct.
lwz %r3,112+0(%r1)
@@ -319,64 +353,43 @@ ENTRY(ffi_closure_SYSV)
or %r4,%r6,%r4
mtlr %r0
addi %r1,%r1,144
+ .cfi_def_cfa_offset 0
blr
+ .cfi_def_cfa_offset 144
#endif
.Luint128:
lwz %r6,112+12(%r1)
mtlr %r0
addi %r1,%r1,144
+ .cfi_def_cfa_offset 0
blr
-
+ .cfi_endproc
END(ffi_closure_SYSV)
- .section ".eh_frame",EH_FRAME_FLAGS,@progbits
-.Lframe1:
- .4byte .LECIE1-.LSCIE1 # Length of Common Information Entry
-.LSCIE1:
- .4byte 0x0 # CIE Identifier Tag
- .byte 0x1 # CIE Version
-#if defined _RELOCATABLE || defined __PIC__
- .ascii "zR\0" # CIE Augmentation
-#else
- .ascii "\0" # CIE Augmentation
-#endif
- .uleb128 0x1 # CIE Code Alignment Factor
- .sleb128 -4 # CIE Data Alignment Factor
- .byte 0x41 # CIE RA Column
-#if defined _RELOCATABLE || defined __PIC__
- .uleb128 0x1 # Augmentation size
- .byte 0x1b # FDE Encoding (pcrel sdata4)
-#endif
- .byte 0xc # DW_CFA_def_cfa
- .uleb128 0x1
- .uleb128 0x0
- .align 2
-.LECIE1:
-.LSFDE1:
- .4byte .LEFDE1-.LASFDE1 # FDE Length
-.LASFDE1:
- .4byte .LASFDE1-.Lframe1 # FDE CIE offset
-#if defined _RELOCATABLE || defined __PIC__
- .4byte .LFB1-. # FDE initial location
-#else
- .4byte .LFB1 # FDE initial location
-#endif
- .4byte .LFE1-.LFB1 # FDE address range
-#if defined _RELOCATABLE || defined __PIC__
- .uleb128 0x0 # Augmentation size
-#endif
- .byte 0x4 # DW_CFA_advance_loc4
- .4byte .LCFI0-.LFB1
- .byte 0xe # DW_CFA_def_cfa_offset
- .uleb128 144
- .byte 0x4 # DW_CFA_advance_loc4
- .4byte .LCFI1-.LCFI0
- .byte 0x11 # DW_CFA_offset_extended_sf
- .uleb128 0x41
- .sleb128 -1
- .align 2
-.LEFDE1:
+
+FFI_HIDDEN(ffi_go_closure_sysv)
+ENTRY(ffi_go_closure_sysv)
+ .cfi_startproc
+ stwu %r1,-144(%r1)
+ .cfi_def_cfa_offset 144
+ mflr %r0
+ stw %r0,148(%r1)
+ .cfi_offset 65, 4
+
+ stw %r3, 16(%r1)
+ stw %r4, 20(%r1)
+ stw %r5, 24(%r1)
+
+ # closure->cif
+ lwz %r3,4(%r11)
+ # closure->fun
+ lwz %r4,8(%r11)
+ # user_data
+ mr %r5,%r11
+ b .Ldoclosure
+ .cfi_endproc
+END(ffi_go_closure_sysv)
#if defined __ELF__ && defined __linux__
.section .note.GNU-stack,"",@progbits
View Lorry Controller Status