diff options
Diffstat (limited to 'libffi/src/powerpc/aix_closure.S')
| -rw-r--r-- | libffi/src/powerpc/aix_closure.S | 247 |
1 files changed, 0 insertions, 247 deletions
diff --git a/libffi/src/powerpc/aix_closure.S b/libffi/src/powerpc/aix_closure.S deleted file mode 100644 index 7bf5c65..0000000 --- a/libffi/src/powerpc/aix_closure.S +++ /dev/null @@ -1,247 +0,0 @@ -/* ----------------------------------------------------------------------- - aix_closure.S - Copyright (c) 2002 2003 Free Software Foundation, Inc. - based on darwin_closure.S - - PowerPC Assembly glue. - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - ``Software''), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR - OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - OTHER DEALINGS IN THE SOFTWARE. - ----------------------------------------------------------------------- */ - - .set r0,0 - .set r1,1 - .set r2,2 - .set r3,3 - .set r4,4 - .set r5,5 - .set r6,6 - .set r7,7 - .set r8,8 - .set r9,9 - .set r10,10 - .set r11,11 - .set r12,12 - .set r13,13 - .set r14,14 - .set r15,15 - .set r16,16 - .set r17,17 - .set r18,18 - .set r19,19 - .set r20,20 - .set r21,21 - .set r22,22 - .set r23,23 - .set r24,24 - .set r25,25 - .set r26,26 - .set r27,27 - .set r28,28 - .set r29,29 - .set r30,30 - .set r31,31 - .set f0,0 - .set f1,1 - .set f2,2 - .set f3,3 - .set f4,4 - .set f5,5 - .set f6,6 - .set f7,7 - .set f8,8 - .set f9,9 - .set f10,10 - .set f11,11 - .set f12,12 - .set f13,13 - .set f14,14 - .set f15,15 - .set f16,16 - .set f17,17 - .set f18,18 - .set f19,19 - .set f20,20 - .set f21,21 - -#define LIBFFI_ASM -#define JUMPTARGET(name) name -#define L(x) x - .file "aix_closure.S" - .toc -LC..60: - .tc L..60[TC],L..60 - .csect .text[PR] - .align 2 - -.csect .text[PR] - .align 2 - .globl ffi_closure_ASM - .globl .ffi_closure_ASM -.csect ffi_closure_ASM[DS] - -ffi_closure_ASM: - .long .ffi_closure_ASM, TOC[tc0], 0 - .csect .text[PR] -.ffi_closure_ASM: - - mflr r0 /* extract return address */ - stw r0, 8(r1) /* save the return address */ - - /* 24 Bytes (Linkage Area) */ - /* 32 Bytes (params) */ - /* 104 Bytes (13*8 from FPR) */ - /* 8 Bytes (result) */ - /* 168 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) - - /* 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) - - /* set up registers for the routine that actually does the work */ - /* get the context pointer from the trampoline */ - mr r3,r11 - - /* now load up the pointer to the result storage */ - addi r4,r1,160 - - /* now load up the pointer to the saved gpr registers */ - addi r5,r1,200 - - /* now load up the pointer to the saved fpr registers */ - addi r6,r1,56 - - /* make the call */ - bl .ffi_closure_helper_DARWIN - nop - - /* now r3 contains the return type */ - /* so use it to look up in a table */ - /* so we know how to deal with each type */ - - /* 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 - bctr /* jump to it */ - -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..46-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 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: - addi r5,r5,3 - lbz r3,0(r5) - slwi r3,r3,24 - srawi r3,r3,24 - b L..44 - -/* case unsigned int8 */ -L..56: - addi r5,r5,3 - lbz r3,0(r5) - b L..44 - -/* case signed int16 */ -L..57: - addi r5,r5,2 - lhz r3,0(r5) - extsh r3,r3 - b L..44 - -/* case unsigned int16 */ -L..58: - addi r5,r5,2 - lhz r3,0(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 */ - blr - -/* END(ffi_closure_ASM) */ |