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comparison: xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_ppc64_linux.S
xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_ppc64_linux.S
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:26a6b9974e3c |
|---|---|
| 1 # This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 # License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 # file, You can obtain one at http://mozilla.org/MPL/2.0/. | |
| 4 | |
| 5 .set r0,0; .set r1,1; .set RTOC,2; .set r3,3; .set r4,4 | |
| 6 .set r5,5; .set r6,6; .set r7,7; .set r8,8; .set r9,9 | |
| 7 .set r10,10; .set r11,11; .set r12,12; .set r13,13; .set r14,14 | |
| 8 .set r15,15; .set r16,16; .set r17,17; .set r18,18; .set r19,19 | |
| 9 .set r20,20; .set r21,21; .set r22,22; .set r23,23; .set r24,24 | |
| 10 .set r25,25; .set r26,26; .set r27,27; .set r28,28; .set r29,29 | |
| 11 .set r30,30; .set r31,31 | |
| 12 .set f0,0; .set f1,1; .set f2,2; .set f3,3; .set f4,4 | |
| 13 .set f5,5; .set f6,6; .set f7,7; .set f8,8; .set f9,9 | |
| 14 .set f10,10; .set f11,11; .set f12,12; .set f13,13; .set f14,14 | |
| 15 .set f15,15; .set f16,16; .set f17,17; .set f18,18; .set f19,19 | |
| 16 .set f20,20; .set f21,21; .set f22,22; .set f23,23; .set f24,24 | |
| 17 .set f25,25; .set f26,26; .set f27,27; .set f28,28; .set f29,29 | |
| 18 .set f30,30; .set f31,31 | |
| 19 | |
| 20 #if _CALL_ELF == 2 | |
| 21 #define STACK_PARAMS 96 | |
| 22 #else | |
| 23 #define STACK_PARAMS 112 | |
| 24 #endif | |
| 25 | |
| 26 #if _CALL_ELF == 2 | |
| 27 .section ".text" | |
| 28 .type SharedStub,@function | |
| 29 .globl SharedStub | |
| 30 # Make the symbol hidden so that the branch from the stub does | |
| 31 # not go via a PLT. This is not only better for performance, | |
| 32 # but may be necessary to avoid linker errors since there is | |
| 33 # no place to restore the TOC register in a sibling call. | |
| 34 .hidden SharedStub | |
| 35 .align 2 | |
| 36 SharedStub: | |
| 37 0: addis 2,12,(.TOC.-0b)@ha | |
| 38 addi 2,2,(.TOC.-0b)@l | |
| 39 .localentry SharedStub,.-SharedStub | |
| 40 #else | |
| 41 .section ".text" | |
| 42 .align 2 | |
| 43 .globl SharedStub | |
| 44 # Make the symbol hidden so that the branch from the stub does | |
| 45 # not go via a PLT. This is not only better for performance, | |
| 46 # but may be necessary to avoid linker errors since there is | |
| 47 # no place to restore the TOC register in a sibling call. | |
| 48 .hidden SharedStub | |
| 49 .section ".opd","aw" | |
| 50 .align 3 | |
| 51 | |
| 52 SharedStub: | |
| 53 .quad .SharedStub,.TOC.@tocbase | |
| 54 .previous | |
| 55 .type SharedStub,@function | |
| 56 | |
| 57 .SharedStub: | |
| 58 #endif | |
| 59 mflr r0 | |
| 60 | |
| 61 std r4, -56(r1) # Save all GPRS | |
| 62 std r5, -48(r1) | |
| 63 std r6, -40(r1) | |
| 64 std r7, -32(r1) | |
| 65 std r8, -24(r1) | |
| 66 std r9, -16(r1) | |
| 67 std r10, -8(r1) | |
| 68 | |
| 69 stfd f13, -64(r1) # ... and FPRS | |
| 70 stfd f12, -72(r1) | |
| 71 stfd f11, -80(r1) | |
| 72 stfd f10, -88(r1) | |
| 73 stfd f9, -96(r1) | |
| 74 stfd f8, -104(r1) | |
| 75 stfd f7, -112(r1) | |
| 76 stfd f6, -120(r1) | |
| 77 stfd f5, -128(r1) | |
| 78 stfd f4, -136(r1) | |
| 79 stfd f3, -144(r1) | |
| 80 stfd f2, -152(r1) | |
| 81 stfd f1, -160(r1) | |
| 82 | |
| 83 subi r6,r1,56 # r6 --> gprData | |
| 84 subi r7,r1,160 # r7 --> fprData | |
| 85 addi r5,r1,STACK_PARAMS # r5 --> extra stack args | |
| 86 | |
| 87 std r0, 16(r1) | |
| 88 | |
| 89 stdu r1,-288(r1) | |
| 90 # r3 has the 'self' pointer | |
| 91 # already | |
| 92 | |
| 93 mr r4,r11 # r4 is methodIndex selector, | |
| 94 # passed via r11 in the | |
| 95 # nsNSStubBase::StubXX() call | |
| 96 | |
| 97 bl PrepareAndDispatch | |
| 98 nop | |
| 99 | |
| 100 ld 1,0(r1) # restore stack | |
| 101 ld r0,16(r1) # restore LR | |
| 102 mtlr r0 | |
| 103 blr | |
| 104 | |
| 105 #if _CALL_ELF == 2 | |
| 106 .size SharedStub,.-SharedStub | |
| 107 #else | |
| 108 .size SharedStub,.-.SharedStub | |
| 109 #endif | |
| 110 | |
| 111 # Magic indicating no need for an executable stack | |
| 112 .section .note.GNU-stack, "", @progbits ; .previous |
