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author | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-11-04 13:31:30 +0100 |
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committer | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-11-04 13:31:30 +0100 |
commit | c5c44d12073791bb1150445ce48bc57fccbb544d (patch) | |
tree | 9d7704d17cb06f886b0943d1508c9ff08f4b9570 /xpcom/reflect/xptcall/md/unix/xptcstubs_asm_sparc_solaris.s | |
parent | a63272b5303b7aef467e974c630f745146fb983a (diff) | |
parent | bbc2206a0fda053a6f5071b457bd209dab9ed268 (diff) | |
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Merge branch 'master' into certexception-work
Diffstat (limited to 'xpcom/reflect/xptcall/md/unix/xptcstubs_asm_sparc_solaris.s')
-rw-r--r-- | xpcom/reflect/xptcall/md/unix/xptcstubs_asm_sparc_solaris.s | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/xpcom/reflect/xptcall/md/unix/xptcstubs_asm_sparc_solaris.s b/xpcom/reflect/xptcall/md/unix/xptcstubs_asm_sparc_solaris.s new file mode 100644 index 000000000..9b448d7c7 --- /dev/null +++ b/xpcom/reflect/xptcall/md/unix/xptcstubs_asm_sparc_solaris.s @@ -0,0 +1,49 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- + * + * 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/. */ + + .global SharedStub + +/* + in the frame for the function that called SharedStub are the + rest of the parameters we need + +*/ + +SharedStub: +! we don't create a new frame yet, but work within the frame of the calling +! function to give ourselves the other parameters we want + + mov %o0, %o1 ! shuffle the index up to 2nd place + mov %i0, %o0 ! the original 'this' + add %fp, 72, %o2 ! previous stack top adjusted to the first argument slot (beyond 'this') +! save off the original incoming parameters that arrived in +! registers, the ABI guarantees the space for us to do this + st %i1, [%fp + 72] + st %i2, [%fp + 76] + st %i3, [%fp + 80] + st %i4, [%fp + 84] + st %i5, [%fp + 88] +! now we can build our own stack frame + save %sp,-(64 + 32),%sp ! room for the register window and + ! struct pointer, rounded up to 0 % 32 +! our function now appears to have been called +! as SharedStub(nsISupports* that, uint32_t index, uint32_t* args) +! so we can just copy these through + + mov %i0, %o0 + mov %i1, %o1 + mov %i2, %o2 + call PrepareAndDispatch + nop + mov %o0,%i0 ! propagate return value + b .LL1 + nop +.LL1: + ret + restore + + .size SharedStub, .-SharedStub + .type SharedStub, #function |