/* Call ffi_prep_args. */
mr r4, r1
- bl .ffi_prep_args
+ bl .ffi_prep_args
/* Now do the call. */
ld r0, 0(r29)
ld r2, 8(r29)
+ ld r11, 16(r29)
/* Set up cr1 with bits 4-7 of the flags. */
mtcrf 0x40, r31
mtctr r0
/* Restore the registers we used and return. */
mr r1, r28
ld r0, 16(r28)
- ld r28,-32(r1)
+ ld r28, -32(r1)
mtlr r0
- ld r29,-24(r1)
- ld r30,-16(r1)
- ld r31,-8(r1)
+ ld r29, -24(r1)
+ ld r30, -16(r1)
+ ld r31, -8(r1)
blr
L(fp_return_value):
- bf 28,L(float_return_value)
- stfd f1,0(r30)
- bf 31,L(done_return_value)
- stfd f2,8(r30)
+ bf 28, L(float_return_value)
+ stfd f1, 0(r30)
+ bf 31, L(done_return_value)
+ stfd f2, 8(r30)
b L(done_return_value)
L(float_return_value):
- stfs f1,0(r30)
+ stfs f1, 0(r30)
b L(done_return_value)
#else /* ! __64BIT__ */
.long .ffi_call_AIX, TOC[tc0], 0
.csect .text[PR]
.ffi_call_AIX:
- mr r12,r8 // We only need r12 until the call, so it doesn't have to be saved...
- /* Save the old stack pointer as AP. */
- mr r8,r1
-
- /* Allocate the stack space we need. */
- stwux r1,r1,r4
-
/* Save registers we use. */
- mflr r9
+ mflr r0
- stw r28,-16(r8)
- stw r29,-12(r8)
- stw r30, -8(r8)
- stw r31, -4(r8)
+ stw r28,-16(r1)
+ stw r29,-12(r1)
+ stw r30, -8(r1)
+ stw r31, -4(r1)
- stw r9, 8(r8)
- stw r2, 20(r1)
+ stw r0, 8(r1)
+ mr r28, r1 /* out AP. */
+ stwux r1, r1, r4
/* Save arguments over call... */
- mr r31,r5 /* flags, */
- mr r30,r6 /* rvalue, */
- mr r29,r7 /* function address, */
- mr r28,r8 /* our AP. */
+ mr r31, r5 /* flags, */
+ mr r30, r6 /* rvalue, */
+ mr r29, r7 /* function address, */
+ stw r2, 20(r1)
/* Call ffi_prep_args. */
- mr r4,r1
- li r9,0
-
- lwz r2,4(r12)
- lwz r12,0(r12)
- mtctr r12 // r12 holds address of _ffi_prep_args
- bctrl
- lwz r2,20(r1)
+ mr r4, r1
+ bl .ffi_prep_args
/* Now do the call. */
- lwz r12,0(r29)
+ lwz r0, 0(r29)
+ lwz r2, 4(r29)
+ lwz r11, 8(r29)
/* Set up cr1 with bits 4-7 of the flags. */
- mtcrf 0x40,r31
- stw r2,20(r1)
- mtctr r12
- lwz r2,4(r29)
+ mtcrf 0x40, r31
+ mtctr r0
/* Load all those argument registers. */
// We have set up a nice stack frame, just load it into registers.
lwz r3, 20+(1*4)(r1)
L2:
/* Make the call. */
bctrl
- lwz r2,20(r1)
+ lwz r2, 20(r1)
/* Now, deal with the return value. */
- mtcrf 0x01,r31
+ mtcrf 0x01, r31
- bt 30,L(done_return_value)
- bt 29,L(fp_return_value)
- stw r3,0(r30)
- bf 28,L(done_return_value)
- stw r4,4(r30)
+ bt 30, L(done_return_value)
+ bt 29, L(fp_return_value)
+ stw r3, 0(r30)
+ bf 28, L(done_return_value)
+ stw r4, 4(r30)
/* Fall through... */
L(done_return_value):
/* Restore the registers we used and return. */
- lwz r9,8(r28)
- lwz r31,-4(r28)
- mtlr r9
- lwz r30, -8(r28)
- lwz r29,-12(r28)
- lwz r28,-16(r28)
- lwz r1,0(r1)
+ mr r1, r28
+ lwz r0, 8(r28)
+ lwz r28,-16(r1)
+ mtlr r0
+ lwz r29,-12(r1)
+ lwz r30, -8(r1)
+ lwz r31, -4(r1)
blr
L(fp_return_value):
- bf 28,L(float_return_value)
- stfd f1,0(r30)
+ bf 28, L(float_return_value)
+ stfd f1, 0(r30)
b L(done_return_value)
L(float_return_value):
- stfs f1,0(r30)
+ stfs f1, 0(r30)
b L(done_return_value)
#endif
.long 0
/* look up the proper starting point in table */
/* by using return type as offset */
- ld r4, LC..60(2) /* get address of jump table */
- sldi r3, r3, 4 /* now multiply return type by 16 */
- ld r0, 240+16(r1) /* load return address */
- add r3,r3,r4 /* add contents of table to table address */
- mtctr r3
+ ld r4, LC..60(2) /* get address of jump table */
+ sldi r3, r3, 4 /* now multiply return type by 16 */
+ ld r0, 240+16(r1) /* load return address */
+ add r3, r3, r4 /* add contents of table to table address */
+ mtctr r3
bctr /* jump to it */
/* Each fragment must be exactly 16 bytes long (4 instructions).
.long .ffi_closure_ASM, TOC[tc0], 0
.csect .text[PR]
.ffi_closure_ASM:
+/* we want to build up an area for the parameters passed */
+/* in registers (both floating point and integer) */
+
+ /* we store gpr 3 to gpr 10 (aligned to 4)
+ in the parents outgoing area */
+ stw r3, 24+(0*4)(r1)
+ stw r4, 24+(1*4)(r1)
+ stw r5, 24+(2*4)(r1)
+ stw r6, 24+(3*4)(r1)
+ mflr r0
- mflr r0 /* extract return address */
- stw r0, 8(r1) /* save the return address */
+ stw r7, 24+(4*4)(r1)
+ stw r8, 24+(5*4)(r1)
+ stw r9, 24+(6*4)(r1)
+ stw r10, 24+(7*4)(r1)
+ stw r0, 8(r1)
/* 24 Bytes (Linkage Area) */
/* 32 Bytes (params) */
- /* 104 Bytes (13*8 from FPR) */
/* 16 Bytes (result) */
+ /* 104 Bytes (13*8 from FPR) */
/* 176 Bytes */
- stwu r1,-176(r1) /* skip over caller save area
- keep stack aligned to 16 */
-
-/* we want to build up an area for the parameters passed */
-/* in registers (both floating point and integer) */
-
- /* we store gpr 3 to gpr 10 (aligned to 4)
- in the parents outgoing area */
- stw r3, 200(r1)
- stw r4, 204(r1)
- stw r5, 208(r1)
- stw r6, 212(r1)
- stw r7, 216(r1)
- stw r8, 220(r1)
- stw r9, 224(r1)
- stw r10, 228(r1)
+ stwu r1, -176(r1) /* skip over caller save area
+ keep stack aligned to 16 */
/* next save fpr 1 to fpr 13 (aligned to 8) */
- stfd f1, 56(r1)
- stfd f2, 64(r1)
- stfd f3, 72(r1)
- stfd f4, 80(r1)
- stfd f5, 88(r1)
- stfd f6, 96(r1)
- stfd f7, 104(r1)
- stfd f8, 112(r1)
- stfd f9, 120(r1)
- stfd f10, 128(r1)
- stfd f11, 136(r1)
- stfd f12, 144(r1)
- stfd f13, 152(r1)
+ stfd f1, 72+(0*8)(r1)
+ stfd f2, 72+(1*8)(r1)
+ stfd f3, 72+(2*8)(r1)
+ stfd f4, 72+(3*8)(r1)
+ stfd f5, 72+(4*8)(r1)
+ stfd f6, 72+(5*8)(r1)
+ stfd f7, 72+(6*8)(r1)
+ stfd f8, 72+(7*8)(r1)
+ stfd f9, 72+(8*8)(r1)
+ stfd f10, 72+(9*8)(r1)
+ stfd f11, 72+(10*8)(r1)
+ stfd f12, 72+(11*8)(r1)
+ stfd f13, 72+(12*8)(r1)
/* set up registers for the routine that actually does the work */
/* get the context pointer from the trampoline */
- mr r3,r11
+ mr r3, r11
/* now load up the pointer to the result storage */
- addi r4,r1,160
+ addi r4, r1, 56
/* now load up the pointer to the saved gpr registers */
- addi r5,r1,200
+ addi r5, r1, 200
/* now load up the pointer to the saved fpr registers */
- addi r6,r1,56
+ addi r6, r1, 72
/* make the call */
bl .ffi_closure_helper_DARWIN
/* look up the proper starting point in table */
/* by using return type as offset */
- addi r5,r1,160 /* get pointer to results area */
- lwz r4,LC..60(2) /* get address of jump table */
- slwi r3,r3,2 /* now multiply return type by 4 */
- lwzx r3,r4,r3 /* get the contents of that table value */
- add r3,r3,r4 /* add contents of table to table address */
- mtctr r3
+ lwz r4, LC..60(2) /* get address of jump table */
+ slwi r3, r3, 4 /* now multiply return type by 4 */
+ lwz r0, 176+8(r1) /* load return address */
+ lwzx r3, r4, r3 /* get the contents of that table value */
+ mtctr r3
bctr /* jump to it */
+/* Each fragment must be exactly 16 bytes long (4 instructions).
+ Align to 16 byte boundary for cache and dispatch efficiency. */
+ .align 4
+
L..60:
- .long L..44-L..60 /* FFI_TYPE_VOID */
- .long L..50-L..60 /* FFI_TYPE_INT */
- .long L..47-L..60 /* FFI_TYPE_FLOAT */
- .long L..46-L..60 /* FFI_TYPE_DOUBLE */
- .long L..45-L..60 /* FFI_TYPE_LONGDOUBLE */
- .long L..56-L..60 /* FFI_TYPE_UINT8 */
- .long L..55-L..60 /* FFI_TYPE_SINT8 */
- .long L..58-L..60 /* FFI_TYPE_UINT16 */
- .long L..57-L..60 /* FFI_TYPE_SINT16 */
- .long L..50-L..60 /* FFI_TYPE_UINT32 */
- .long L..50-L..60 /* FFI_TYPE_SINT32 */
- .long L..48-L..60 /* FFI_TYPE_UINT64 */
- .long L..48-L..60 /* FFI_TYPE_SINT64 */
- .long L..44-L..60 /* FFI_TYPE_STRUCT */
- .long L..50-L..60 /* FFI_TYPE_POINTER */
-
-
-/* case long double */
-L..45:
- lfd f1,0(r5)
- lfd f2,8(r5)
- b L..44
-
-/* case double */
-L..46:
- lfd f1,0(r5)
- b L..44
-
-/* case float */
-L..47:
- lfs f1,0(r5)
- b L..44
-
-/* case long long */
-L..48:
- lwz r3,0(r5)
- lwz r4,4(r5)
- b L..44
-
-/* case default / int32 / pointer */
-L..50:
- lwz r3,0(r5)
- b L..44
-
-/* case signed int8 */
-L..55:
- lbz r3,3(r5)
- extsb r3,r3
- b L..44
-
-/* case unsigned int8 */
-L..56:
- lbz r3,3(r5)
- b L..44
-
-/* case signed int16 */
-L..57:
- lha r3,2(r5)
- b L..44
-
-/* case unsigned int16 */
-L..58:
- lhz r3,2(r5)
-
-/* case void / done */
-L..44:
- addi r1,r1,176 /* restore stack pointer */
- lwz r0,8(r1) /* get return address */
- mtlr r0 /* reset link register */
+/* case FFI_TYPE_VOID */
+ mtlr r0
+ addi r1, r1, 176
+ blr
+ nop
+
+/* case FFI_TYPE_INT */
+ lwz r3, 56+0(r1)
+ mtlr r0
+ addi r1, r1, 176
+ blr
+
+/* case FFI_TYPE_FLOAT */
+ lfs f1, 56+0(r1)
+ mtlr r0
+ addi r1, r1, 176
+ blr
+
+/* case FFI_TYPE_DOUBLE */
+ lfd f1, 56+0(r1)
+ mtlr r0
+ addi r1, r1, 176
+ blr
+
+/* case FFI_TYPE_LONGDOUBLE */
+ lfd f1, 56+0(r1)
+ mtlr r0
+ lfd f2, 56+8(r1)
+ b L..finish
+
+/* case FFI_TYPE_UINT8 */
+ lbz r3, 56+3(r1)
+ mtlr r0
+ addi r1, r1, 176
+ blr
+
+/* case FFI_TYPE_SINT8 */
+ lbz r3, 56+3(r1)
+ mtlr r0
+ extsb r3, r3
+ b L..finish
+
+/* case FFI_TYPE_UINT16 */
+ lhz r3, 56+2(r1)
+ mtlr r0
+ addi r1, r1, 176
+ blr
+
+/* case FFI_TYPE_SINT16 */
+ lha r3, 56+2(r1)
+ mtlr r0
+ addi r1, r1, 176
+ blr
+
+/* case FFI_TYPE_UINT32 */
+ lwz r3, 56+0(r1)
+ mtlr r0
+ addi r1, r1, 176
+ blr
+
+/* case FFI_TYPE_SINT32 */
+ lwz r3, 56+0(r1)
+ mtlr r0
+ addi r1, r1, 176
+ blr
+
+/* case FFI_TYPE_UINT64 */
+ lwz r3, 56+0(r1)
+ mtlr r0
+ lwz r4, 56+4(r1)
+ b L..finish
+
+/* case FFI_TYPE_SINT64 */
+ lwz r3, 56+0(r1)
+ mtlr r0
+ lwz r4, 56+4(r1)
+ b L..finish
+
+/* case FFI_TYPE_STRUCT */
+ mtlr r0
+ addi r1, r1, 176
+ blr
+ nop
+
+/* case FFI_TYPE_POINTER */
+ lwz r3, 56+0(r1)
+ mtlr r0
+L..finish:
+ addi r1, r1, 176
blr
#endif
/* END(ffi_closure_ASM) */
projects / gcc.git / commitdiff