1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_ppc_aix.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,74 @@
1.4 +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +/* Platform specific code to invoke XPCOM methods on native objects */
1.10 +
1.11 +#include "xptcprivate.h"
1.12 +
1.13 +#ifndef AIX
1.14 +#error "This code is for PowerPC only"
1.15 +#endif
1.16 +
1.17 +extern "C" void
1.18 +invoke_copy_to_stack(uint32_t* d, uint32_t paramCount, nsXPTCVariant* s, double *fprData)
1.19 +{
1.20 +/*
1.21 + We need to copy the parameters for this function to locals and use them
1.22 + from there since the parameters occupy the same stack space as the stack
1.23 + we're trying to populate.
1.24 +*/
1.25 + uint32_t *l_d = d;
1.26 + nsXPTCVariant *l_s = s;
1.27 + uint32_t l_paramCount = paramCount, fpCount = 0;
1.28 + double *l_fprData = fprData;
1.29 +
1.30 + typedef struct {
1.31 + uint32_t hi;
1.32 + uint32_t lo;
1.33 + } DU; // have to move 64 bit entities as 32 bit halves since
1.34 + // stack slots are not guaranteed 16 byte aligned
1.35 +
1.36 + for(uint32_t i = 0; i < l_paramCount; i++, l_d++, l_s++)
1.37 + {
1.38 + if(l_s->IsPtrData())
1.39 + {
1.40 + *((void**)l_d) = l_s->ptr;
1.41 + continue;
1.42 + }
1.43 + switch(l_s->type)
1.44 + {
1.45 + case nsXPTType::T_I8 : *((int32_t*) l_d) = l_s->val.i8; break;
1.46 + case nsXPTType::T_I16 : *((int32_t*) l_d) = l_s->val.i16; break;
1.47 + case nsXPTType::T_I32 : *((int32_t*) l_d) = l_s->val.i32; break;
1.48 + case nsXPTType::T_I64 :
1.49 + case nsXPTType::T_U64 :
1.50 + *((uint32_t*) l_d++) = ((DU *)l_s)->hi;
1.51 + *((uint32_t*) l_d) = ((DU *)l_s)->lo;
1.52 + break;
1.53 + case nsXPTType::T_DOUBLE :
1.54 + *((uint32_t*) l_d++) = ((DU *)l_s)->hi;
1.55 + *((uint32_t*) l_d) = ((DU *)l_s)->lo;
1.56 + if(fpCount < 13)
1.57 + l_fprData[fpCount++] = l_s->val.d;
1.58 + break;
1.59 + case nsXPTType::T_U8 : *((uint32_t*) l_d) = l_s->val.u8; break;
1.60 + case nsXPTType::T_U16 : *((uint32_t*) l_d) = l_s->val.u16; break;
1.61 + case nsXPTType::T_U32 : *((uint32_t*) l_d) = l_s->val.u32; break;
1.62 + case nsXPTType::T_FLOAT :
1.63 + *((float*) l_d) = l_s->val.f;
1.64 + if(fpCount < 13)
1.65 + l_fprData[fpCount++] = l_s->val.f;
1.66 + break;
1.67 + case nsXPTType::T_BOOL : *((uint32_t*) l_d) = l_s->val.b; break;
1.68 + case nsXPTType::T_CHAR : *((uint32_t*) l_d) = l_s->val.c; break;
1.69 + case nsXPTType::T_WCHAR : *((int32_t*) l_d) = l_s->val.wc; break;
1.70 + default:
1.71 + // all the others are plain pointer types
1.72 + *((void**)l_d) = l_s->val.p;
1.73 + break;
1.74 + }
1.75 + }
1.76 +}
1.77 +
