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author | Moonchild <moonchild@palemoon.org> | 2019-11-02 14:37:22 +0100 |
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committer | GitHub <noreply@github.com> | 2019-11-02 14:37:22 +0100 |
commit | 21b3f6247403c06f85e1f45d219f87549862198f (patch) | |
tree | 0038ae92f1cc7aaff0b55d6e5ac59efcc28bdf8f /xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_sparc_solaris_GCC3.s | |
parent | ff881bdb6795e0f307b93919f98f454bedde4bb6 (diff) | |
parent | a9dc528a4a7b0aaad5308aff70963485ec3e9bec (diff) | |
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Merge pull request #1262 from athenian200/solaris-work
Support Modern Solaris
Diffstat (limited to 'xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_sparc_solaris_GCC3.s')
-rw-r--r-- | xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_sparc_solaris_GCC3.s | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_sparc_solaris_GCC3.s b/xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_sparc_solaris_GCC3.s new file mode 100644 index 000000000..54adcd147 --- /dev/null +++ b/xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_sparc_solaris_GCC3.s @@ -0,0 +1,52 @@ +/* -*- 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/. */ + +/* + * Platform specific code to invoke XPCOM methods on native objects for + * solaris/sparc with gcc 3 ABI. + */ + .global NS_InvokeByIndex +/* + * NS_InvokeByIndex(nsISupports* that, uint32_t methodIndex, + * uint32_t paramCount, nsXPTCVariant* params); + */ +NS_InvokeByIndex: + save %sp,-(64 + 32),%sp ! room for the register window and + ! struct pointer, rounded up to 0 % 32 + mov %i2,%o0 ! paramCount + call invoke_count_words ! returns the required stack size in %o0 + mov %i3,%o1 ! params + + sll %o0,2,%l0 ! number of bytes + sub %sp,%l0,%sp ! create the additional stack space + + mov %sp,%o0 ! pointer for copied args + add %o0,72,%o0 ! step past the register window, the + ! struct result pointer and the 'this' slot + mov %i2,%o1 ! paramCount + call invoke_copy_to_stack + mov %i3,%o2 ! params +! +! calculate the target address from the vtable +! + ld [%i0],%l1 ! *that --> vTable + sll %i1,2,%i1 ! multiply index by 4 + add %i1,%l1,%l1 ! l1 now points to vTable entry + ld [%l1],%l0 ! target address + +.L5: ld [%sp + 88],%o5 +.L4: ld [%sp + 84],%o4 +.L3: ld [%sp + 80],%o3 +.L2: ld [%sp + 76],%o2 +.L1: ld [%sp + 72],%o1 +.L0: + jmpl %l0,%o7 ! call the routine +! always have a 'this', from the incoming 'that' + mov %i0,%o0 + + mov %o0,%i0 ! propagate return value + ret + restore |