diff options
Diffstat (limited to '')
-rw-r--r-- | xpcom/reflect/xptcall/md/unix/xptcstubs_asm_ppc_linux.S | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/xpcom/reflect/xptcall/md/unix/xptcstubs_asm_ppc_linux.S b/xpcom/reflect/xptcall/md/unix/xptcstubs_asm_ppc_linux.S new file mode 100644 index 0000000000..e383468865 --- /dev/null +++ b/xpcom/reflect/xptcall/md/unix/xptcstubs_asm_ppc_linux.S @@ -0,0 +1,77 @@ +// -*- Mode: Asm -*- +// +// This Source Code Form is subject to the terms of the Mozilla Public +// License, v. 2.0. If a copy of the MPL was not distributed with this +// file, You can obtain one at http://mozilla.org/MPL/2.0/. + +.set r0,0; .set sp,1; .set RTOC,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; .set f22,22; .set f23,23; .set f24,24 +.set f25,25; .set f26,26; .set f27,27; .set f28,28; .set f29,29 +.set f30,30; .set f31,31 + + .section ".text" + .align 2 + .globl SharedStub + .type SharedStub,@function + +SharedStub: + stwu sp,-112(sp) // room for + // linkage (8), + // gprData (32), + // fprData (64), + // stack alignment(8) + mflr r0 + stw r0,116(sp) // save LR backchain + + stw r4,12(sp) // save GP registers + stw r5,16(sp) // (n.b. that we don't save r3 + stw r6,20(sp) // because PrepareAndDispatch() is savvy) + stw r7,24(sp) + stw r8,28(sp) + stw r9,32(sp) + stw r10,36(sp) +#ifndef __NO_FPRS__ + stfd f1,40(sp) // save FP registers + stfd f2,48(sp) + stfd f3,56(sp) + stfd f4,64(sp) + stfd f5,72(sp) + stfd f6,80(sp) + stfd f7,88(sp) + stfd f8,96(sp) +#endif + + // r3 has the 'self' pointer already + + mr r4,r11 // r4 <= methodIndex selector, passed + // via r11 in the nsXPTCStubBase::StubXX() call + + addi r5,sp,120 // r5 <= pointer to callers args area, + // beyond r3-r10/f1-f8 mapped range + + addi r6,sp,8 // r6 <= gprData +#ifndef __NO_FPRS__ + addi r7,sp,40 // r7 <= fprData +#else + li r7, 0 // r7 should be unused +#endif + + bl PrepareAndDispatch@local // Go! + + lwz r0,116(sp) // restore LR + mtlr r0 + la sp,112(sp) // clean up the stack + blr + + /* Magic indicating no need for an executable stack */ + .section .note.GNU-stack, "", @progbits |