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nixpkgs-suyu/pkgs/applications/networking/browsers/firefox/xulrunner-mips-n32.patch
Lluís Batlle i Rossell 82627f99bb New patch for firefox for mips 
svn path=/nixpkgs/branches/stdenv-updates/; revision=23583
2010-09-01 08:37:17 +00:00

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http://gentoo-overlays.zugaina.org/loongson/portage/net-libs/xulrunner/files/xulrunner-mips-n32.patch
From 1aa3577cf7e79b574bd2cff058ea00221194869b Mon Sep 17 00:00:00 2001
From: Zhang Le <r0bertz@gentoo.org>
Date: Thu, 12 Mar 2009 02:24:34 +0800
Subject: [PATCH 2/2] xulrunner mips n32 ABI patch
Signed-off-by: Zhang Le <r0bertz@gentoo.org>
---
xpcom/reflect/xptcall/src/md/unix/Makefile.in | 5 +
.../xptcall/src/md/unix/xptcinvoke_asm_mips64.s | 159 ++++++++++++++
.../xptcall/src/md/unix/xptcinvoke_mips64.cpp | 173 ++++++++++++++++
.../xptcall/src/md/unix/xptcstubs_asm_mips64.s | 149 +++++++++++++
.../xptcall/src/md/unix/xptcstubs_mips64.cpp | 218 ++++++++++++++++++++
5 files changed, 704 insertions(+), 0 deletions(-)
create mode 100644 xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_mips64.s
create mode 100644 xpcom/reflect/xptcall/src/md/unix/xptcinvoke_mips64.cpp
create mode 100644 xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_mips64.s
create mode 100644 xpcom/reflect/xptcall/src/md/unix/xptcstubs_mips64.cpp
diff --git a/xpcom/reflect/xptcall/src/md/unix/Makefile.in b/xpcom/reflect/xptcall/src/md/unix/Makefile.in
index 524174e..63586cf 100644
--- a/xpcom/reflect/xptcall/src/md/unix/Makefile.in
+++ b/xpcom/reflect/xptcall/src/md/unix/Makefile.in
@@ -274,8 +274,13 @@ endif
ifeq ($(OS_ARCH),Linux)
ifneq (,$(findstring mips, $(OS_TEST)))
+ifneq (,$(findstring mips64, $(OS_TEST)))
+CPPSRCS := xptcinvoke_mips64.cpp xptcstubs_mips64.cpp
+ASFILES := xptcinvoke_asm_mips64.s xptcstubs_asm_mips64.s
+else
CPPSRCS := xptcinvoke_mips.cpp xptcstubs_mips.cpp
ASFILES := xptcinvoke_asm_mips.s xptcstubs_asm_mips.s
+endif
ASFLAGS += -I$(DIST)/include -x assembler-with-cpp
endif
endif
diff --git a/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_mips64.s b/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_mips64.s
new file mode 100644
index 0000000..f146ad8
--- /dev/null
+++ b/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_mips64.s
@@ -0,0 +1,159 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * ZHANG Le <r0bertz@gentoo.org>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+#include <sys/regdef.h>
+#include <sys/asm.h>
+
+.text
+.globl invoke_count_words
+.globl invoke_copy_to_stack
+
+LOCALSZ=7 # a0, a1, a2, a3, s0, ra, gp
+FRAMESZ=(((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK
+
+RAOFF=FRAMESZ-(1*SZREG)
+A0OFF=FRAMESZ-(2*SZREG)
+A1OFF=FRAMESZ-(3*SZREG)
+A2OFF=FRAMESZ-(4*SZREG)
+A3OFF=FRAMESZ-(5*SZREG)
+S0OFF=FRAMESZ-(6*SZREG)
+GPOFF=FRAMESZ-(7*SZREG)
+
+#
+# _NS_InvokeByIndex_P(that, methodIndex, paramCount, params)
+# a0 a1 a2 a3
+
+NESTED(_NS_InvokeByIndex_P, FRAMESZ, ra)
+ PTR_SUBU sp, FRAMESZ
+ SETUP_GP64(GPOFF, _NS_InvokeByIndex_P)
+
+ REG_S ra, RAOFF(sp)
+ REG_S a0, A0OFF(sp)
+ REG_S a1, A1OFF(sp)
+ REG_S a2, A2OFF(sp)
+ REG_S a3, A3OFF(sp)
+ REG_S s0, S0OFF(sp)
+
+ # invoke_count_words(paramCount, params)
+ move a0, a2
+ move a1, a3
+ jal invoke_count_words
+
+ # invoke_copy_to_stack(PRUint32* d, PRUint32 paramCount,
+ # nsXPTCVariant* s, PRUint32 *reg)
+
+ REG_L a1, A2OFF(sp) # a1 - paramCount
+ REG_L a2, A3OFF(sp) # a2 - params
+
+ # save sp before we copy the params to the stack
+ move t0, sp
+
+ # assume full size of 16 bytes per param to be safe
+ sll v0, 4 # 16 bytes * num params
+ subu sp, sp, v0 # make room
+ move a0, sp # a0 - param stack address
+
+ # create temporary stack space to write int and fp regs
+ subu sp, 64 # 64 = 8 regs of 8 bytes
+ move a3, sp
+
+ # save the old sp and save the arg stack
+ subu sp, sp, 16
+ REG_S t0, 0(sp)
+ REG_S a0, 8(sp)
+
+ # copy the param into the stack areas
+ jal invoke_copy_to_stack
+
+ REG_L t3, 8(sp) # get previous a0
+ REG_L sp, 0(sp) # get orig sp back
+
+ REG_L a0, A0OFF(sp) # a0 - that
+ REG_L a1, A1OFF(sp) # a1 - methodIndex
+
+ # t1 = methodIndex * pow(2, PTRLOG)
+ # (use shift instead of mult)
+ sll t1, a1, PTRLOG
+
+ # calculate the function we need to jump to,
+ # which must then be saved in t9
+ lw t9, 0(a0)
+ addu t9, t9, t1
+#if defined(__GXX_ABI_VERSION) && __GXX_ABI_VERSION >= 100 /* G++ V3 ABI */
+ lw t9, (t9)
+#else /* not G++ V3 ABI */
+ lw t9, 2*PTRSIZE(t9)
+#endif /* G++ V3 ABI */
+
+ # get register save area from invoke_copy_to_stack
+ subu t1, t3, 64
+
+ # a1..a7 and f13..f19 should now be set to what
+ # invoke_copy_to_stack told us. skip a0 and f12
+ # because that's the "this" pointer
+
+ REG_L a1, 0(t1)
+ REG_L a2, 8(t1)
+ REG_L a3, 16(t1)
+ REG_L a4, 24(t1)
+ REG_L a5, 32(t1)
+ REG_L a6, 40(t1)
+ REG_L a7, 48(t1)
+
+ l.d $f13, 0(t1)
+ l.d $f14, 8(t1)
+ l.d $f15, 16(t1)
+ l.d $f16, 24(t1)
+ l.d $f17, 32(t1)
+ l.d $f18, 40(t1)
+ l.d $f19, 48(t1)
+
+ # save away our stack pointer and create
+ # the stack pointer for the function
+ move s0, sp
+ move sp, t3
+
+ jalr t9
+
+ move sp, s0
+
+ RESTORE_GP64
+ REG_L ra, RAOFF(sp)
+ REG_L s0, S0OFF(sp)
+ PTR_ADDU sp, FRAMESZ
+ j ra
+.end _NS_InvokeByIndex_P
diff --git a/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_mips64.cpp b/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_mips64.cpp
new file mode 100644
index 0000000..d1d1a7d
--- /dev/null
+++ b/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_mips64.cpp
@@ -0,0 +1,173 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * ZHANG Le <r0bertz@gentoo.org>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+/* Platform specific code to invoke XPCOM methods on native objects */
+
+#include "xptcprivate.h"
+
+#if (_MIPS_SIM != _ABIN32)
+#error "This code is for MIPS N32 only"
+#endif
+
+extern "C" uint32
+invoke_count_words(PRUint32 paramCount, nsXPTCVariant* s)
+{
+ return paramCount;
+}
+
+extern "C" void
+invoke_copy_to_stack(PRUint64* d, PRUint32 paramCount,
+ nsXPTCVariant* s, PRUint64 *regs)
+{
+#define N_ARG_REGS 7 /* 8 regs minus 1 for "this" ptr */
+
+ for (PRUint32 i = 0; i < paramCount; i++, s++)
+ {
+ if (s->IsPtrData()) {
+ if (i < N_ARG_REGS)
+ regs[i] = (PRUint64)s->ptr;
+ else
+ *d++ = (PRUint64)s->ptr;
+ continue;
+ }
+ switch (s->type) {
+ //
+ // signed types first
+ //
+ case nsXPTType::T_I8:
+ if (i < N_ARG_REGS)
+ ((PRInt64*)regs)[i] = s->val.i8;
+ else
+ *d++ = s->val.i8;
+ break;
+ case nsXPTType::T_I16:
+ if (i < N_ARG_REGS)
+ ((PRInt64*)regs)[i] = s->val.i16;
+ else
+ *d++ = s->val.i16;
+ break;
+ case nsXPTType::T_I32:
+ if (i < N_ARG_REGS)
+ ((PRInt64*)regs)[i] = s->val.i32;
+ else
+ *d++ = s->val.i32;
+ break;
+ case nsXPTType::T_I64:
+ if (i < N_ARG_REGS)
+ ((PRInt64*)regs)[i] = s->val.i64;
+ else
+ *d++ = s->val.i64;
+ break;
+ //
+ // unsigned types next
+ //
+ case nsXPTType::T_U8:
+ if (i < N_ARG_REGS)
+ regs[i] = s->val.u8;
+ else
+ *d++ = s->val.u8;
+ break;
+ case nsXPTType::T_U16:
+ if (i < N_ARG_REGS)
+ regs[i] = s->val.u16;
+ else
+ *d++ = s->val.u16;
+ break;
+ case nsXPTType::T_U32:
+ if (i < N_ARG_REGS)
+ regs[i] = s->val.u32;
+ else
+ *d++ = s->val.u32;
+ break;
+ case nsXPTType::T_U64:
+ if (i < N_ARG_REGS)
+ regs[i] = s->val.u64;
+ else
+ *d++ = s->val.u64;
+ break;
+ case nsXPTType::T_FLOAT:
+ if (i < N_ARG_REGS)
+ *(float*)&regs[i] = s->val.f;
+ else
+ *(float*)d++ = s->val.f;
+ break;
+ case nsXPTType::T_DOUBLE:
+ if (i < N_ARG_REGS)
+ *(double*)&regs[i] = s->val.d;
+ else
+ *(double*)d++ = s->val.d;
+ break;
+ case nsXPTType::T_BOOL:
+ if (i < N_ARG_REGS)
+ regs[i] = s->val.b;
+ else
+ *d++ = s->val.b;
+ break;
+ case nsXPTType::T_CHAR:
+ if (i < N_ARG_REGS)
+ regs[i] = s->val.c;
+ else
+ *d++ = s->val.c;
+ break;
+ case nsXPTType::T_WCHAR:
+ if (i < N_ARG_REGS)
+ regs[i] = s->val.wc;
+ else
+ *d++ = s->val.wc;
+ break;
+ default:
+ // all the others are plain pointer types
+ if (i < N_ARG_REGS)
+ regs[i] = (PRUint64)s->val.p;
+ else
+ *d++ = (PRUint64)s->val.p;
+ break;
+ }
+ }
+}
+
+extern "C" nsresult _NS_InvokeByIndex_P(nsISupports* that, PRUint32 methodIndex,
+ PRUint32 paramCount,
+ nsXPTCVariant* params);
+
+EXPORT_XPCOM_API(nsresult)
+NS_InvokeByIndex_P(nsISupports* that, PRUint32 methodIndex,
+ PRUint32 paramCount, nsXPTCVariant* params)
+{
+ return _NS_InvokeByIndex_P(that, methodIndex, paramCount, params);
+}
diff --git a/xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_mips64.s b/xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_mips64.s
new file mode 100644
index 0000000..dfee24b
--- /dev/null
+++ b/xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_mips64.s
@@ -0,0 +1,149 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * ZHANG Le <r0bertz@gentoo.org>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+#include <sys/regdef.h>
+#include <sys/asm.h>
+
+LOCALSZ=16
+FRAMESZ=(((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK
+
+A1OFF=FRAMESZ-(9*SZREG)
+A2OFF=FRAMESZ-(8*SZREG)
+A3OFF=FRAMESZ-(7*SZREG)
+A4OFF=FRAMESZ-(6*SZREG)
+A5OFF=FRAMESZ-(5*SZREG)
+A6OFF=FRAMESZ-(4*SZREG)
+A7OFF=FRAMESZ-(3*SZREG)
+GPOFF=FRAMESZ-(2*SZREG)
+RAOFF=FRAMESZ-(1*SZREG)
+
+F13OFF=FRAMESZ-(16*SZREG)
+F14OFF=FRAMESZ-(15*SZREG)
+F15OFF=FRAMESZ-(14*SZREG)
+F16OFF=FRAMESZ-(13*SZREG)
+F17OFF=FRAMESZ-(12*SZREG)
+F18OFF=FRAMESZ-(11*SZREG)
+F19OFF=FRAMESZ-(10*SZREG)
+
+#define SENTINEL_ENTRY(n) /* defined in cpp file, not here */
+
+#if defined(__GXX_ABI_VERSION) && __GXX_ABI_VERSION >= 100 /* G++ V3 ABI */
+#define STUB_ENTRY(x) \
+ .if x < 10; \
+ MAKE_STUB(x, _ZN14nsXPTCStubBase5Stub ##x ##Ev); \
+ .elseif x < 100; \
+ MAKE_STUB(x, _ZN14nsXPTCStubBase6Stub ##x ##Ev); \
+ .elseif x < 1000; \
+ MAKE_STUB(x, _ZN14nsXPTCStubBase7Stub ##x ##Ev); \
+ .else; \
+ .err; \
+ .endif
+#else /* not G++ V3 ABI */
+#define STUB_ENTRY(x) \
+ MAKE_STUB(x, Stub ##x ##__14nsXPTCStubBase)
+#endif /* G++ V3 ABI */
+
+#define MAKE_STUB(x, name) \
+ .globl name; \
+ .type name,@function; \
+ .aent name,0; \
+name:; \
+ PTR_SUBU sp,FRAMESZ; \
+ SETUP_GP64(GPOFF, name); \
+ li t0,x; \
+ b sharedstub; \
+
+#
+# open a dummy frame for the function entries
+#
+ .text
+ .align 2
+ .type dummy,@function
+ .ent dummy, 0
+dummy:
+ .frame sp, FRAMESZ, ra
+ .mask 0x90000FF0, RAOFF-FRAMESZ
+ .fmask 0x000FF000, F19OFF-FRAMESZ
+
+#include "xptcstubsdef.inc"
+
+sharedstub:
+
+ REG_S a1, A1OFF(sp)
+ REG_S a2, A2OFF(sp)
+ REG_S a3, A3OFF(sp)
+ REG_S a4, A4OFF(sp)
+ REG_S a5, A5OFF(sp)
+ REG_S a6, A6OFF(sp)
+ REG_S a7, A7OFF(sp)
+ REG_S ra, RAOFF(sp)
+
+ s.d $f13, F13OFF(sp)
+ s.d $f14, F14OFF(sp)
+ s.d $f15, F15OFF(sp)
+ s.d $f16, F16OFF(sp)
+ s.d $f17, F17OFF(sp)
+ s.d $f18, F18OFF(sp)
+ s.d $f19, F19OFF(sp)
+
+ # t0 is methodIndex
+ move a1, t0
+
+ # a2 is stack address where extra function params
+ # are stored that do not fit in registers
+ move a2, sp
+ addi a2, FRAMESZ
+
+ # a3 is stack address of a1..a7
+ move a3, sp
+ addi a3, A1OFF
+
+ # a4 is stack address of f13..f19
+ move a4, sp
+ addi a4, F13OFF
+
+ # PrepareAndDispatch(that, methodIndex, args, gprArgs, fpArgs)
+ # a0 a1 a2 a3 a4
+ #
+ jal PrepareAndDispatch
+
+ REG_L ra, RAOFF(sp)
+ RESTORE_GP64
+
+ PTR_ADDU sp, FRAMESZ
+ j ra
+ END(dummy)
diff --git a/xpcom/reflect/xptcall/src/md/unix/xptcstubs_mips64.cpp b/xpcom/reflect/xptcall/src/md/unix/xptcstubs_mips64.cpp
new file mode 100644
index 0000000..c404065
--- /dev/null
+++ b/xpcom/reflect/xptcall/src/md/unix/xptcstubs_mips64.cpp
@@ -0,0 +1,218 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1999
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * ZHANG Le <r0bertz@gentoo.org>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include "xptcprivate.h"
+#include "xptiprivate.h"
+
+#if (_MIPS_SIM != _ABIN32)
+#error "This code is for MIPS N32 only"
+#endif
+
+/*
+ * This is for MIPS N32 ABI
+ *
+ * When we're called, the "gp" registers are stored in gprData and
+ * the "fp" registers are stored in fprData. There are 8 regs
+ * available which coorespond to the first 7 parameters of the
+ * function and the "this" pointer. If there are additional parms,
+ * they are stored on the stack at address "args".
+ *
+ */
+extern "C" nsresult
+PrepareAndDispatch(nsXPTCStubBase* self, PRUint32 methodIndex, PRUint64* args,
+ PRUint64 *gprData, double *fprData)
+{
+#define PARAM_BUFFER_COUNT 16
+#define PARAM_GPR_COUNT 7
+#define PARAM_FPR_COUNT 7
+
+ nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
+ nsXPTCMiniVariant* dispatchParams = NULL;
+ const nsXPTMethodInfo* info;
+ PRUint8 paramCount;
+ PRUint8 i;
+ nsresult result = NS_ERROR_FAILURE;
+
+ NS_ASSERTION(self,"no self");
+
+ self->mEntry->GetMethodInfo(PRUint16(methodIndex), &info);
+ NS_ASSERTION(info,"no method info");
+
+ paramCount = info->GetParamCount();
+
+ // setup variant array pointer
+ if(paramCount > PARAM_BUFFER_COUNT)
+ dispatchParams = new nsXPTCMiniVariant[paramCount];
+ else
+ dispatchParams = paramBuffer;
+ NS_ASSERTION(dispatchParams,"no place for params");
+
+ PRUint64* ap = args;
+ PRUint32 iCount = 0;
+ for(i = 0; i < paramCount; i++)
+ {
+ const nsXPTParamInfo& param = info->GetParam(i);
+ const nsXPTType& type = param.GetType();
+ nsXPTCMiniVariant* dp = &dispatchParams[i];
+
+ if(param.IsOut() || !type.IsArithmetic())
+ {
+ if (iCount < PARAM_GPR_COUNT)
+ dp->val.p = (void*)gprData[iCount++];
+ else
+ dp->val.p = (void*)*ap++;
+ continue;
+ }
+ // else
+ switch(type)
+ {
+ case nsXPTType::T_I8:
+ if (iCount < PARAM_GPR_COUNT)
+ dp->val.i8 = (PRInt8)gprData[iCount++];
+ else
+ dp->val.i8 = (PRInt8)*ap++;
+ break;
+
+ case nsXPTType::T_I16:
+ if (iCount < PARAM_GPR_COUNT)
+ dp->val.i16 = (PRInt16)gprData[iCount++];
+ else
+ dp->val.i16 = (PRInt16)*ap++;
+ break;
+
+ case nsXPTType::T_I32:
+ if (iCount < PARAM_GPR_COUNT)
+ dp->val.i32 = (PRInt32)gprData[iCount++];
+ else
+ dp->val.i32 = (PRInt32)*ap++;
+ break;
+
+ case nsXPTType::T_I64:
+ if (iCount < PARAM_GPR_COUNT)
+ dp->val.i64 = (PRInt64)gprData[iCount++];
+ else
+ dp->val.i64 = (PRInt64)*ap++;
+ break;
+
+ case nsXPTType::T_U8:
+ if (iCount < PARAM_GPR_COUNT)
+ dp->val.u8 = (PRUint8)gprData[iCount++];
+ else
+ dp->val.u8 = (PRUint8)*ap++;
+ break;
+
+ case nsXPTType::T_U16:
+ if (iCount < PARAM_GPR_COUNT)
+ dp->val.u16 = (PRUint16)gprData[iCount++];
+ else
+ dp->val.u16 = (PRUint16)*ap++;
+ break;
+
+ case nsXPTType::T_U32:
+ if (iCount < PARAM_GPR_COUNT)
+ dp->val.u32 = (PRUint32)gprData[iCount++];
+ else
+ dp->val.u32 = (PRUint32)*ap++;
+ break;
+
+ case nsXPTType::T_U64:
+ if (iCount < PARAM_GPR_COUNT)
+ dp->val.u64 = (PRUint64)gprData[iCount++];
+ else
+ dp->val.u64 = (PRUint64)*ap++;
+ break;
+
+ case nsXPTType::T_FLOAT:
+ if (iCount < PARAM_FPR_COUNT)
+ dp->val.f = (double)fprData[iCount++];
+ else
+ dp->val.f = *((double*)ap++);
+ break;
+
+ case nsXPTType::T_DOUBLE:
+ if (iCount < PARAM_FPR_COUNT)
+ dp->val.d = (double)fprData[iCount++];
+ else
+ dp->val.d = *((double*)ap++);
+ break;
+
+ case nsXPTType::T_BOOL:
+ if (iCount < PARAM_GPR_COUNT)
+ dp->val.b = (PRBool)gprData[iCount++];
+ else
+ dp->val.b = (PRBool)*ap++;
+ break;
+
+ case nsXPTType::T_CHAR:
+ if (iCount < PARAM_GPR_COUNT)
+ dp->val.c = (char)gprData[iCount++];
+ else
+ dp->val.c = (char)*ap++;
+ break;
+
+ case nsXPTType::T_WCHAR:
+ if (iCount < PARAM_GPR_COUNT)
+ dp->val.wc = (wchar_t)gprData[iCount++];
+ else
+ dp->val.wc = (wchar_t)*ap++;
+ break;
+
+ default:
+ NS_ASSERTION(0, "bad type");
+ break;
+ }
+ }
+
+ result = self->mOuter->CallMethod((PRUint16)methodIndex, info, dispatchParams);
+
+ if(dispatchParams != paramBuffer)
+ delete [] dispatchParams;
+
+ return result;
+}
+
+#define STUB_ENTRY(n) /* defined in the assembly file */
+
+#define SENTINEL_ENTRY(n) \
+nsresult nsXPTCStubBase::Sentinel##n() \
+{ \
+ NS_ASSERTION(0,"nsXPTCStubBase::Sentinel called"); \
+ return NS_ERROR_NOT_IMPLEMENTED; \
+}
+
+#include "xptcstubsdef.inc"
--
1.6.2
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