The Tor Browser / file comparison
comparison: xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_ppc_openbsd.S
xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_ppc_openbsd.S
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
inserted
replaced
| -1:000000000000 | 0:d54b97c7cc9d |
|---|---|
| 1 // -*- Mode: Asm -*- | |
| 2 // | |
| 3 // This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 // License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 // file, You can obtain one at http://mozilla.org/MPL/2.0/. | |
| 6 | |
| 7 .set r0,0; .set sp,1; .set RTOC,2; .set r3,3; .set r4,4 | |
| 8 .set r5,5; .set r6,6; .set r7,7; .set r8,8; .set r9,9 | |
| 9 .set r10,10; .set r11,11; .set r12,12; .set r13,13; .set r14,14 | |
| 10 .set r15,15; .set r16,16; .set r17,17; .set r18,18; .set r19,19 | |
| 11 .set r20,20; .set r21,21; .set r22,22; .set r23,23; .set r24,24 | |
| 12 .set r25,25; .set r26,26; .set r27,27; .set r28,28; .set r29,29 | |
| 13 .set r30,30; .set r31,31 | |
| 14 .set f0,0; .set f1,1; .set f2,2; .set f3,3; .set f4,4 | |
| 15 .set f5,5; .set f6,6; .set f7,7; .set f8,8; .set f9,9 | |
| 16 .set f10,10; .set f11,11; .set f12,12; .set f13,13; .set f14,14 | |
| 17 .set f15,15; .set f16,16; .set f17,17; .set f18,18; .set f19,19 | |
| 18 .set f20,20; .set f21,21; .set f22,22; .set f23,23; .set f24,24 | |
| 19 .set f25,25; .set f26,26; .set f27,27; .set f28,28; .set f29,29 | |
| 20 .set f30,30; .set f31,31 | |
| 21 | |
| 22 .section ".text" | |
| 23 .align 2 | |
| 24 .globl SharedStub | |
| 25 .type SharedStub,@function | |
| 26 | |
| 27 SharedStub: | |
| 28 stwu sp,-112(sp) // room for | |
| 29 // linkage (8), | |
| 30 // gprData (32), | |
| 31 // fprData (64), | |
| 32 // stack alignment(8) | |
| 33 mflr r0 | |
| 34 stw r0,116(sp) // save LR backchain | |
| 35 | |
| 36 stw r4,12(sp) // save GP registers | |
| 37 stw r5,16(sp) // (n.b. that we don't save r3 | |
| 38 stw r6,20(sp) // because PrepareAndDispatch() is savvy) | |
| 39 stw r7,24(sp) | |
| 40 stw r8,28(sp) | |
| 41 stw r9,32(sp) | |
| 42 stw r10,36(sp) | |
| 43 | |
| 44 stfd f1,40(sp) // save FP registers | |
| 45 stfd f2,48(sp) | |
| 46 stfd f3,56(sp) | |
| 47 stfd f4,64(sp) | |
| 48 stfd f5,72(sp) | |
| 49 stfd f6,80(sp) | |
| 50 stfd f7,88(sp) | |
| 51 stfd f8,96(sp) | |
| 52 | |
| 53 // r3 has the 'self' pointer already | |
| 54 | |
| 55 mr r4,r11 // r4 <= methodIndex selector, passed | |
| 56 // via r11 in the nsXPTCStubBase::StubXX() call | |
| 57 | |
| 58 addi r5,sp,120 // r5 <= pointer to callers args area, | |
| 59 // beyond r3-r10/f1-f8 mapped range | |
| 60 | |
| 61 addi r6,sp,8 // r6 <= gprData | |
| 62 addi r7,sp,40 // r7 <= fprData | |
| 63 | |
| 64 bl PrepareAndDispatch@local // Go! | |
| 65 | |
| 66 lwz r0,116(sp) // restore LR | |
| 67 mtlr r0 | |
| 68 la sp,112(sp) // clean up the stack | |
| 69 blr | |
| 70 | |
| 71 // Magic indicating no need for an executable stack | |
| 72 .section .note.GNU-stack, "", @progbits ; .previous |
