diff options
Diffstat (limited to 'xpcom/reflect/xptcall/md/unix/xptcinvoke_sparcv9_solaris.cpp')
-rw-r--r-- | xpcom/reflect/xptcall/md/unix/xptcinvoke_sparcv9_solaris.cpp | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/xpcom/reflect/xptcall/md/unix/xptcinvoke_sparcv9_solaris.cpp b/xpcom/reflect/xptcall/md/unix/xptcinvoke_sparcv9_solaris.cpp new file mode 100644 index 000000000..0d2d6b0a8 --- /dev/null +++ b/xpcom/reflect/xptcall/md/unix/xptcinvoke_sparcv9_solaris.cpp @@ -0,0 +1,73 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * + * 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 */ + +#include "xptcprivate.h" + +#if !defined(__sparc) && !defined(__sparc__) +#error "This code is for Sparc only" +#endif + +/* Prototype specifies unmangled function name */ +extern "C" uint64_t +invoke_copy_to_stack(uint64_t* d, uint32_t paramCount, nsXPTCVariant* s); + +extern "C" uint64_t +invoke_copy_to_stack(uint64_t* d, uint32_t paramCount, nsXPTCVariant* s) +{ + /* + We need to copy the parameters for this function to locals and use them + from there since the parameters occupy the same stack space as the stack + we're trying to populate. + */ + uint64_t *l_d = d; + nsXPTCVariant *l_s = s; + uint64_t l_paramCount = paramCount; + uint64_t regCount = 0; // return the number of registers to load from the stack + + for(uint64_t i = 0; i < l_paramCount; i++, l_d++, l_s++) + { + if (regCount < 5) regCount++; + + if (l_s->IsPtrData()) + { + *l_d = (uint64_t)l_s->ptr; + continue; + } + switch (l_s->type) + { + case nsXPTType::T_I8 : *((int64_t*)l_d) = l_s->val.i8; break; + case nsXPTType::T_I16 : *((int64_t*)l_d) = l_s->val.i16; break; + case nsXPTType::T_I32 : *((int64_t*)l_d) = l_s->val.i32; break; + case nsXPTType::T_I64 : *((int64_t*)l_d) = l_s->val.i64; break; + + case nsXPTType::T_U8 : *((uint64_t*)l_d) = l_s->val.u8; break; + case nsXPTType::T_U16 : *((uint64_t*)l_d) = l_s->val.u16; break; + case nsXPTType::T_U32 : *((uint64_t*)l_d) = l_s->val.u32; break; + case nsXPTType::T_U64 : *((uint64_t*)l_d) = l_s->val.u64; break; + + /* in the case of floats, we want to put the bits in to the + 64bit space right justified... floats in the parameter array on + sparcv9 use odd numbered registers.. %f1, %f3, so we have to skip + the space that would be occupied by %f0, %f2, etc. + */ + case nsXPTType::T_FLOAT : *(((float*)l_d) + 1) = l_s->val.f; break; + case nsXPTType::T_DOUBLE: *((double*)l_d) = l_s->val.d; break; + case nsXPTType::T_BOOL : *((uint64_t*)l_d) = l_s->val.b; break; + case nsXPTType::T_CHAR : *((uint64_t*)l_d) = l_s->val.c; break; + case nsXPTType::T_WCHAR : *((int64_t*)l_d) = l_s->val.wc; break; + + default: + // all the others are plain pointer types + *((void**)l_d) = l_s->val.p; + break; + } + } + + return regCount; +} |