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$NetBSD: patch-xj,v 1.1.1.1 2009/08/05 02:37:11 tnn Exp $
NetBSD ppc xptcall support code. Originally from pkgsrc/www/mozilla.
--- xpcom/reflect/xptcall/src/md/unix/xptcstubs_ppc_netbsd.cpp.orig 2009-06-29 18:15:33.000000000 +0200
+++ xpcom/reflect/xptcall/src/md/unix/xptcstubs_ppc_netbsd.cpp
@@ -41,6 +41,7 @@
// Implement shared vtbl methods.
#include "xptcprivate.h"
+#include "xptiprivate.h"
// The Linux/PPC ABI (aka PPC/SYSV ABI) passes the first 8 integral
// parameters and the first 8 floating point parameters in registers
@@ -71,7 +72,6 @@ PrepareAndDispatch(nsXPTCStubBase* self,
{
nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
nsXPTCMiniVariant* dispatchParams = NULL;
- nsIInterfaceInfo* iface_info = NULL;
const nsXPTMethodInfo* info;
PRUint32 paramCount;
PRUint32 i;
@@ -79,12 +79,7 @@ PrepareAndDispatch(nsXPTCStubBase* self,
NS_ASSERTION(self,"no self");
- self->GetInterfaceInfo(&iface_info);
- NS_ASSERTION(iface_info,"no interface info");
- if (! iface_info)
- return NS_ERROR_UNEXPECTED;
-
- iface_info->GetMethodInfo(PRUint16(methodIndex), &info);
+ self->mEntry->GetMethodInfo(PRUint16(methodIndex), &info);
NS_ASSERTION(info,"no method info");
if (! info)
return NS_ERROR_UNEXPECTED;
@@ -119,8 +114,10 @@ PrepareAndDispatch(nsXPTCStubBase* self,
if ((PRUint32) ap & 4) ap++; // doubles are 8-byte aligned on stack
dp->val.d = *(double*) ap;
ap += 2;
+#if __GXX_ABI_VERSION < 100
if (gpr < GPR_COUNT)
gpr += 2;
+#endif
}
continue;
}
@@ -130,8 +127,10 @@ PrepareAndDispatch(nsXPTCStubBase* self,
else {
dp->val.f = *(float*) ap;
ap += 1;
+#if __GXX_ABI_VERSION < 100
if (gpr < GPR_COUNT)
gpr += 1;
+#endif
}
continue;
}
@@ -179,9 +178,9 @@ PrepareAndDispatch(nsXPTCStubBase* self,
}
}
- result = self->CallMethod((PRUint16) methodIndex, info, dispatchParams);
-
- NS_RELEASE(iface_info);
+ result = self->mOuter->CallMethod((PRUint16) methodIndex,
+ info,
+ dispatchParams);
if (dispatchParams != paramBuffer)
delete [] dispatchParams;
@@ -195,7 +194,9 @@ PrepareAndDispatch(nsXPTCStubBase* self,
// however, it's quick, dirty, and'll break when the ABI changes on
// us, which is what we want ;-).
-#define STUB_ENTRY(n) \
+#if __GXX_ABI_VERSION < 100
+// gcc-2 version
+# define STUB_ENTRY(n) \
__asm__ ( \
".section \".text\" \n\t" \
".align 2 \n\t" \
@@ -206,6 +207,46 @@ __asm__ (
"li 11,"#n" \n\t" \
"b SharedStub@local \n" \
);
+#else
+// gcc-3 version
+//
+// As G++3 ABI contains the length of the functionname in the mangled
+// name, it is difficult to get a generic assembler mechanism like
+// in the G++ 2.95 case.
+// Create names would be like:
+// _ZN14nsXPTCStubBase5Stub1Ev
+// _ZN14nsXPTCStubBase6Stub12Ev
+// _ZN14nsXPTCStubBase7Stub123Ev
+// _ZN14nsXPTCStubBase8Stub1234Ev
+// etc.
+// Use assembler directives to get the names right...
+
+# define STUB_ENTRY(n) \
+__asm__ ( \
+ ".align 2 \n\t" \
+ ".if "#n" < 10 \n\t" \
+ ".globl _ZN14nsXPTCStubBase5Stub"#n"Ev \n\t" \
+ ".type _ZN14nsXPTCStubBase5Stub"#n"Ev,@function \n\n" \
+"_ZN14nsXPTCStubBase5Stub"#n"Ev: \n\t" \
+ \
+ ".elseif "#n" < 100 \n\t" \
+ ".globl _ZN14nsXPTCStubBase6Stub"#n"Ev \n\t" \
+ ".type _ZN14nsXPTCStubBase6Stub"#n"Ev,@function \n\n" \
+"_ZN14nsXPTCStubBase6Stub"#n"Ev: \n\t" \
+ \
+ ".elseif "#n" < 1000 \n\t" \
+ ".globl _ZN14nsXPTCStubBase7Stub"#n"Ev \n\t" \
+ ".type _ZN14nsXPTCStubBase7Stub"#n"Ev,@function \n\n" \
+"_ZN14nsXPTCStubBase7Stub"#n"Ev: \n\t" \
+ \
+ ".else \n\t" \
+ ".err \"stub number "#n" >= 1000 not yet supported\"\n" \
+ ".endif \n\t" \
+ \
+ "li 11,"#n" \n\t" \
+ "b SharedStub@local \n" \
+);
+#endif
#define SENTINEL_ENTRY(n) \
nsresult nsXPTCStubBase::Sentinel##n() \
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