The Tor Browser / file comparison
comparison: xpcom/reflect/xptcall/src/md/unix/xptcinvoke_ppc_aix.cpp
xpcom/reflect/xptcall/src/md/unix/xptcinvoke_ppc_aix.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:4a2b62e676dc |
|---|---|
| 1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 /* Platform specific code to invoke XPCOM methods on native objects */ | |
| 7 | |
| 8 #include "xptcprivate.h" | |
| 9 | |
| 10 #ifndef AIX | |
| 11 #error "This code is for PowerPC only" | |
| 12 #endif | |
| 13 | |
| 14 extern "C" void | |
| 15 invoke_copy_to_stack(uint32_t* d, uint32_t paramCount, nsXPTCVariant* s, double *fprData) | |
| 16 { | |
| 17 /* | |
| 18 We need to copy the parameters for this function to locals and use them | |
| 19 from there since the parameters occupy the same stack space as the stack | |
| 20 we're trying to populate. | |
| 21 */ | |
| 22 uint32_t *l_d = d; | |
| 23 nsXPTCVariant *l_s = s; | |
| 24 uint32_t l_paramCount = paramCount, fpCount = 0; | |
| 25 double *l_fprData = fprData; | |
| 26 | |
| 27 typedef struct { | |
| 28 uint32_t hi; | |
| 29 uint32_t lo; | |
| 30 } DU; // have to move 64 bit entities as 32 bit halves since | |
| 31 // stack slots are not guaranteed 16 byte aligned | |
| 32 | |
| 33 for(uint32_t i = 0; i < l_paramCount; i++, l_d++, l_s++) | |
| 34 { | |
| 35 if(l_s->IsPtrData()) | |
| 36 { | |
| 37 *((void**)l_d) = l_s->ptr; | |
| 38 continue; | |
| 39 } | |
| 40 switch(l_s->type) | |
| 41 { | |
| 42 case nsXPTType::T_I8 : *((int32_t*) l_d) = l_s->val.i8; break; | |
| 43 case nsXPTType::T_I16 : *((int32_t*) l_d) = l_s->val.i16; break; | |
| 44 case nsXPTType::T_I32 : *((int32_t*) l_d) = l_s->val.i32; break; | |
| 45 case nsXPTType::T_I64 : | |
| 46 case nsXPTType::T_U64 : | |
| 47 *((uint32_t*) l_d++) = ((DU *)l_s)->hi; | |
| 48 *((uint32_t*) l_d) = ((DU *)l_s)->lo; | |
| 49 break; | |
| 50 case nsXPTType::T_DOUBLE : | |
| 51 *((uint32_t*) l_d++) = ((DU *)l_s)->hi; | |
| 52 *((uint32_t*) l_d) = ((DU *)l_s)->lo; | |
| 53 if(fpCount < 13) | |
| 54 l_fprData[fpCount++] = l_s->val.d; | |
| 55 break; | |
| 56 case nsXPTType::T_U8 : *((uint32_t*) l_d) = l_s->val.u8; break; | |
| 57 case nsXPTType::T_U16 : *((uint32_t*) l_d) = l_s->val.u16; break; | |
| 58 case nsXPTType::T_U32 : *((uint32_t*) l_d) = l_s->val.u32; break; | |
| 59 case nsXPTType::T_FLOAT : | |
| 60 *((float*) l_d) = l_s->val.f; | |
| 61 if(fpCount < 13) | |
| 62 l_fprData[fpCount++] = l_s->val.f; | |
| 63 break; | |
| 64 case nsXPTType::T_BOOL : *((uint32_t*) l_d) = l_s->val.b; break; | |
| 65 case nsXPTType::T_CHAR : *((uint32_t*) l_d) = l_s->val.c; break; | |
| 66 case nsXPTType::T_WCHAR : *((int32_t*) l_d) = l_s->val.wc; break; | |
| 67 default: | |
| 68 // all the others are plain pointer types | |
| 69 *((void**)l_d) = l_s->val.p; | |
| 70 break; | |
| 71 } | |
| 72 } | |
| 73 } | |
| 74 |
