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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /xpcom/reflect/xptcall/md/unix/xptcinvoke_ppc_aix.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'xpcom/reflect/xptcall/md/unix/xptcinvoke_ppc_aix.cpp')
-rw-r--r--xpcom/reflect/xptcall/md/unix/xptcinvoke_ppc_aix.cpp74
1 files changed, 74 insertions, 0 deletions
diff --git a/xpcom/reflect/xptcall/md/unix/xptcinvoke_ppc_aix.cpp b/xpcom/reflect/xptcall/md/unix/xptcinvoke_ppc_aix.cpp
new file mode 100644
index 000000000..ba2a5dab0
--- /dev/null
+++ b/xpcom/reflect/xptcall/md/unix/xptcinvoke_ppc_aix.cpp
@@ -0,0 +1,74 @@
+/* -*- 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 */
+
+#include "xptcprivate.h"
+
+#ifndef AIX
+#error "This code is for PowerPC only"
+#endif
+
+extern "C" void
+invoke_copy_to_stack(uint32_t* d, uint32_t paramCount, nsXPTCVariant* s, double *fprData)
+{
+/*
+ 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.
+*/
+ uint32_t *l_d = d;
+ nsXPTCVariant *l_s = s;
+ uint32_t l_paramCount = paramCount, fpCount = 0;
+ double *l_fprData = fprData;
+
+ typedef struct {
+ uint32_t hi;
+ uint32_t lo;
+ } DU; // have to move 64 bit entities as 32 bit halves since
+ // stack slots are not guaranteed 16 byte aligned
+
+ for(uint32_t i = 0; i < l_paramCount; i++, l_d++, l_s++)
+ {
+ if(l_s->IsPtrData())
+ {
+ *((void**)l_d) = l_s->ptr;
+ continue;
+ }
+ switch(l_s->type)
+ {
+ case nsXPTType::T_I8 : *((int32_t*) l_d) = l_s->val.i8; break;
+ case nsXPTType::T_I16 : *((int32_t*) l_d) = l_s->val.i16; break;
+ case nsXPTType::T_I32 : *((int32_t*) l_d) = l_s->val.i32; break;
+ case nsXPTType::T_I64 :
+ case nsXPTType::T_U64 :
+ *((uint32_t*) l_d++) = ((DU *)l_s)->hi;
+ *((uint32_t*) l_d) = ((DU *)l_s)->lo;
+ break;
+ case nsXPTType::T_DOUBLE :
+ *((uint32_t*) l_d++) = ((DU *)l_s)->hi;
+ *((uint32_t*) l_d) = ((DU *)l_s)->lo;
+ if(fpCount < 13)
+ l_fprData[fpCount++] = l_s->val.d;
+ break;
+ case nsXPTType::T_U8 : *((uint32_t*) l_d) = l_s->val.u8; break;
+ case nsXPTType::T_U16 : *((uint32_t*) l_d) = l_s->val.u16; break;
+ case nsXPTType::T_U32 : *((uint32_t*) l_d) = l_s->val.u32; break;
+ case nsXPTType::T_FLOAT :
+ *((float*) l_d) = l_s->val.f;
+ if(fpCount < 13)
+ l_fprData[fpCount++] = l_s->val.f;
+ break;
+ case nsXPTType::T_BOOL : *((uint32_t*) l_d) = l_s->val.b; break;
+ case nsXPTType::T_CHAR : *((uint32_t*) l_d) = l_s->val.c; break;
+ case nsXPTType::T_WCHAR : *((int32_t*) l_d) = l_s->val.wc; break;
+ default:
+ // all the others are plain pointer types
+ *((void**)l_d) = l_s->val.p;
+ break;
+ }
+ }
+}
+