--- xpcom/reflect/xptcall/src/md/unix/xptcinvoke_freebsd_alpha.cpp.orig Tue May 27 01:37:25 2003 +++ xpcom/reflect/xptcall/src/md/unix/xptcinvoke_freebsd_alpha.cpp Tue May 27 01:37:00 2003 @@ -0,0 +1,184 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: NPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Netscape 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/NPL/ + * + * 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): + * + * Alternatively, the contents of this file may be used under the terms of + * either 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 NPL, 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 NPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +/* Platform specific code to invoke XPCOM methods on native objects */ + +/* contributed by Glen Nakamura */ + +#include "xptcprivate.h" + +/* Prototype specifies unmangled function name and disables unused warning */ +static void +invoke_copy_to_stack(PRUint64* d, PRUint32 paramCount, nsXPTCVariant* s) +__asm__("invoke_copy_to_stack") __attribute__((unused)); + +static void +invoke_copy_to_stack(PRUint64* d, PRUint32 paramCount, nsXPTCVariant* s) +{ + const PRUint8 NUM_ARG_REGS = 6-1; // -1 for "this" pointer + + for(PRUint32 i = 0; i < paramCount; i++, d++, s++) + { + if(s->IsPtrData()) + { + *d = (PRUint64)s->ptr; + continue; + } + switch(s->type) + { + case nsXPTType::T_I8 : *d = (PRUint64)s->val.i8; break; + case nsXPTType::T_I16 : *d = (PRUint64)s->val.i16; break; + case nsXPTType::T_I32 : *d = (PRUint64)s->val.i32; break; + case nsXPTType::T_I64 : *d = (PRUint64)s->val.i64; break; + case nsXPTType::T_U8 : *d = (PRUint64)s->val.u8; break; + case nsXPTType::T_U16 : *d = (PRUint64)s->val.u16; break; + case nsXPTType::T_U32 : *d = (PRUint64)s->val.u32; break; + case nsXPTType::T_U64 : *d = (PRUint64)s->val.u64; break; + case nsXPTType::T_FLOAT : + if(i < NUM_ARG_REGS) + { + // convert floats to doubles if they are to be passed + // via registers so we can just deal with doubles later + union { PRUint64 u64; double d; } t; + t.d = (double)s->val.f; + *d = t.u64; + } + else + // otherwise copy to stack normally + *d = (PRUint64)s->val.u32; + break; + case nsXPTType::T_DOUBLE : *d = (PRUint64)s->val.u64; break; + case nsXPTType::T_BOOL : *d = (PRUint64)s->val.b; break; + case nsXPTType::T_CHAR : *d = (PRUint64)s->val.c; break; + case nsXPTType::T_WCHAR : *d = (PRUint64)s->val.wc; break; + default: + // all the others are plain pointer types + *d = (PRUint64)s->val.p; + break; + } + } +} + +/* + * XPTC_PUBLIC_API(nsresult) + * XPTC_InvokeByIndex(nsISupports* that, PRUint32 methodIndex, + * PRUint32 paramCount, nsXPTCVariant* params, void* vt) + */ +__asm__( + "#### XPTC_InvokeByIndex ####\n" +".text\n\t" + ".align 5\n\t" + ".globl XPTC_InvokeByIndex\n\t" + ".ent XPTC_InvokeByIndex\n" +"XPTC_InvokeByIndex:\n\t" + ".frame $15,32,$26,0\n\t" + ".mask 0x4008000,-32\n\t" + "ldgp $29,0($27)\n" +"$XPTC_InvokeByIndex..ng:\n\t" + "subq $30,32,$30\n\t" + "stq $26,0($30)\n\t" + "stq $15,8($30)\n\t" + "bis $30,$30,$15\n\t" + ".prologue 1\n\t" + + /* + * Allocate enough stack space to hold the greater of 6 or "paramCount"+1 + * parameters. (+1 for "this" pointer) Room for at least 6 parameters + * is required for storage of those passed via registers. + */ + + "bis $31,5,$2\n\t" /* count = MAX(5, "paramCount") */ + "cmplt $2,$18,$1\n\t" + "cmovne $1,$18,$2\n\t" + "s8addq $2,16,$1\n\t" /* room for count+1 params (8 bytes each) */ + "bic $1,15,$1\n\t" /* stack space is rounded up to 0 % 16 */ + "subq $30,$1,$30\n\t" + + "stq $16,0($30)\n\t" /* save "that" (as "this" pointer) */ + "stq $17,16($15)\n\t" /* save "methodIndex" */ + + "addq $30,8,$16\n\t" /* pass stack pointer */ + "bis $18,$18,$17\n\t" /* pass "paramCount" */ + "bis $19,$19,$18\n\t" /* pass "params" */ + "bsr $26,$invoke_copy_to_stack..ng\n\t" /* call invoke_copy_to_stack */ + + /* + * Copy the first 6 parameters to registers and remove from stack frame. + * Both the integer and floating point registers are set for each parameter + * except the first which is the "this" pointer. (integer only) + * The floating point registers are all set as doubles since the + * invoke_copy_to_stack function should have converted the floats. + */ + "ldq $16,0($30)\n\t" /* integer registers */ + "ldq $17,8($30)\n\t" + "ldq $18,16($30)\n\t" + "ldq $19,24($30)\n\t" + "ldq $20,32($30)\n\t" + "ldq $21,40($30)\n\t" + "ldt $f17,8($30)\n\t" /* floating point registers */ + "ldt $f18,16($30)\n\t" + "ldt $f19,24($30)\n\t" + "ldt $f20,32($30)\n\t" + "ldt $f21,40($30)\n\t" + + "addq $30,48,$30\n\t" /* remove params from stack */ + + /* + * Call the virtual function with the constructed stack frame. + */ + "bis $16,$16,$1\n\t" /* load "this" */ + "ldq $2,16($15)\n\t" /* load "methodIndex" */ + "ldq $1,0($1)\n\t" /* load vtable */ +#if 0 + "s8addq $2,16,$2\n\t" /* vtable index = "methodIndex" * 8 + 16 */ +#else + "mulq $2, 8, $2\n\t" + "addq $2, 0, $2\n\t" /* vtable index = "methodIndex" * 16 + 24 */ +#endif + "addq $1,$2,$1\n\t" + "ldq $27,0($1)\n\t" /* load address of function */ + "jsr $26,($27),0\n\t" /* call virtual function */ + "ldgp $29,0($26)\n\t" + + "bis $15,$15,$30\n\t" + "ldq $26,0($30)\n\t" + "ldq $15,8($30)\n\t" + "addq $30,32,$30\n\t" + "ret $31,($26),1\n\t" + ".end XPTC_InvokeByIndex" + ); + --- xpcom/reflect/xptcall/src/md/unix/xptcstubs_freebsd_alpha.cpp.orig Tue May 27 01:37:30 2003 +++ xpcom/reflect/xptcall/src/md/unix/xptcstubs_freebsd_alpha.cpp Tue May 27 01:37:04 2003 @@ -0,0 +1,269 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: NPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Netscape 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/NPL/ + * + * 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): + * + * Alternatively, the contents of this file may be used under the terms of + * either 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 NPL, 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 NPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +/* Implement shared vtbl methods. */ + +/* contributed by Glen Nakamura */ + +#include +#include +#include "xptcprivate.h" + +/* Prototype specifies unmangled function name and disables unused warning */ +static nsresult +PrepareAndDispatch(nsXPTCStubBase* self, uint32 methodIndex, PRUint64* args) +__asm__("PrepareAndDispatch") __attribute__((unused)); + +static nsresult +PrepareAndDispatch(nsXPTCStubBase* self, uint32 methodIndex, PRUint64* args) +{ + const PRUint8 PARAM_BUFFER_COUNT = 16; + const PRUint8 NUM_ARG_REGS = 6-1; // -1 for "this" pointer + + nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT]; + nsXPTCMiniVariant* dispatchParams = NULL; + nsIInterfaceInfo* iface_info = NULL; + const nsXPTMethodInfo* info; + PRUint8 paramCount; + PRUint8 i; + nsresult result = NS_ERROR_FAILURE; + + NS_ASSERTION(self,"no self"); + + self->GetInterfaceInfo(&iface_info); + NS_ASSERTION(iface_info,"no interface info"); + + iface_info->GetMethodInfo(PRUint16(methodIndex), &info); + NS_ASSERTION(info,"no interface 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"); + + // args[0] to args[NUM_ARG_REGS] hold floating point register values + PRUint64* ap = args + NUM_ARG_REGS; + for(i = 0; i < paramCount; i++, ap++) + { + const nsXPTParamInfo& param = info->GetParam(i); + const nsXPTType& type = param.GetType(); + nsXPTCMiniVariant* dp = &dispatchParams[i]; + + if(param.IsOut() || !type.IsArithmetic()) + { + dp->val.p = (void*) *ap; + continue; + } + // else + switch(type) + { + case nsXPTType::T_I8 : dp->val.i8 = (PRInt8) *ap; break; + case nsXPTType::T_I16 : dp->val.i16 = (PRInt16) *ap; break; + case nsXPTType::T_I32 : dp->val.i32 = (PRInt32) *ap; break; + case nsXPTType::T_I64 : dp->val.i64 = (PRInt64) *ap; break; + case nsXPTType::T_U8 : dp->val.u8 = (PRUint8) *ap; break; + case nsXPTType::T_U16 : dp->val.u16 = (PRUint16) *ap; break; + case nsXPTType::T_U32 : dp->val.u32 = (PRUint32) *ap; break; + case nsXPTType::T_U64 : dp->val.u64 = (PRUint64) *ap; break; + case nsXPTType::T_FLOAT : + if(i < NUM_ARG_REGS) + { + // floats passed via registers are stored as doubles + // in the first NUM_ARG_REGS entries in args + dp->val.u64 = (PRUint64) args[i]; + dp->val.f = (float) dp->val.d; // convert double to float + } + else + dp->val.u32 = (PRUint32) *ap; + break; + case nsXPTType::T_DOUBLE : + // doubles passed via registers are also stored + // in the first NUM_ARG_REGS entries in args + dp->val.u64 = (i < NUM_ARG_REGS) ? args[i] : *ap; + break; + case nsXPTType::T_BOOL : dp->val.b = (PRBool) *ap; break; + case nsXPTType::T_CHAR : dp->val.c = (char) *ap; break; + case nsXPTType::T_WCHAR : dp->val.wc = (PRUnichar) *ap; break; + default: + NS_ASSERTION(0, "bad type"); + break; + } + } + + result = self->CallMethod((PRUint16)methodIndex, info, dispatchParams); + + NS_RELEASE(iface_info); + + if(dispatchParams != paramBuffer) + delete [] dispatchParams; + + return result; +} + +/* + * SharedStub() + * Collects arguments and calls PrepareAndDispatch. The "methodIndex" is + * passed to this function via $1 to preserve the argument registers. + */ +__asm__( + "#### SharedStub ####\n" +".text\n\t" + ".align 5\n\t" + ".ent SharedStub\n" +"SharedStub:\n\t" + ".frame $30,96,$26,0\n\t" + ".mask 0x4000000,-96\n\t" + "ldgp $29,0($27)\n" +"$SharedStub..ng:\n\t" + "subq $30,96,$30\n\t" + "stq $26,0($30)\n\t" + ".prologue 1\n\t" + + /* + * Store arguments passed via registers to the stack. + * Floating point registers are stored as doubles and converted + * to floats in PrepareAndDispatch if necessary. + */ + "stt $f17,16($30)\n\t" /* floating point registers */ + "stt $f18,24($30)\n\t" + "stt $f19,32($30)\n\t" + "stt $f20,40($30)\n\t" + "stt $f21,48($30)\n\t" + "stq $17,56($30)\n\t" /* integer registers */ + "stq $18,64($30)\n\t" + "stq $19,72($30)\n\t" + "stq $20,80($30)\n\t" + "stq $21,88($30)\n\t" + + /* + * Call PrepareAndDispatch function. + */ + "bis $1,$1,$17\n\t" /* pass "methodIndex" */ + "addq $30,16,$18\n\t" /* pass "args" */ + "bsr $26,$PrepareAndDispatch..ng\n\t" + + "ldq $26,0($30)\n\t" + "addq $30,96,$30\n\t" + "ret $31,($26),1\n\t" + ".end SharedStub" + ); + +#if defined(__GXX_ABI_VERSION) && __GXX_ABI_VERSION >= 100 /* G++ V3 ABI */ +/* + * nsresult nsXPTCStubBase::Stub##n() + * Sets register $1 to "methodIndex" and jumps to SharedStub. + */ +#define STUB_ENTRY(n) \ +__asm__( \ + "#### Stub"#n" ####\n" \ +".text\n\t" \ + ".align 5\n\t" \ + ".globl _ZN14nsXPTCStubBase5Stub"#n"Ev\n\t" \ + ".ent _ZN14nsXPTCStubBase5Stub"#n"Ev\n" \ +"_ZN14nsXPTCStubBase5Stub"#n"Ev:\n\t" \ + ".frame $30,0,$26,0\n\t" \ + "ldgp $29,0($27)\n" \ +"$_ZN14nsXPTCStubBase5Stub"#n"Ev..ng:\n\t" \ + ".prologue 1\n\t" \ + "lda $1,"#n"\n\t" \ + "br $31,$SharedStub..ng\n\t" \ + ".end _ZN14nsXPTCStubBase5Stub"#n"Ev" \ + ); \ +__asm__( \ + "#### Stub"#n" ####\n" \ +".text\n\t" \ + ".align 5\n\t" \ + ".globl _ZN14nsXPTCStubBase6Stub"#n"Ev\n\t" \ + ".ent _ZN14nsXPTCStubBase6Stub"#n"Ev\n" \ +"_ZN14nsXPTCStubBase6Stub"#n"Ev:\n\t" \ + ".frame $30,0,$26,0\n\t" \ + "ldgp $29,0($27)\n" \ +"$_ZN14nsXPTCStubBase6Stub"#n"Ev..ng:\n\t" \ + ".prologue 1\n\t" \ + "lda $1,"#n"\n\t" \ + "br $31,$SharedStub..ng\n\t" \ + ".end _ZN14nsXPTCStubBase6Stub"#n"Ev" \ + ); \ +__asm__( \ + "#### Stub"#n" ####\n" \ +".text\n\t" \ + ".align 5\n\t" \ + ".globl _ZN14nsXPTCStubBase7Stub"#n"Ev\n\t" \ + ".ent _ZN14nsXPTCStubBase7Stub"#n"Ev\n" \ +"_ZN14nsXPTCStubBase7Stub"#n"Ev:\n\t" \ + ".frame $30,0,$26,0\n\t" \ + "ldgp $29,0($27)\n" \ +"$_ZN14nsXPTCStubBase7Stub"#n"Ev..ng:\n\t" \ + ".prologue 1\n\t" \ + "lda $1,"#n"\n\t" \ + "br $31,$SharedStub..ng\n\t" \ + ".end _ZN14nsXPTCStubBase7Stub"#n"Ev" \ + ); +#else +/* + * nsresult nsXPTCStubBase::Stub##n() + * Sets register $1 to "methodIndex" and jumps to SharedStub. + */ +#define STUB_ENTRY(n) \ +nsresult nsXPTCStubBase::Stub##n() \ +{ \ + nsresult result; \ +__asm__ __volatile__( \ + "ldah $29,0($27)\n\t" \ + "lda $29,0($29)\n\t" \ + "lda $1, "#n"\n\t" \ + "br $31, $SharedStub..ng\n\t" \ + "mov $0, %0\n\t" \ + : "=r" (result) \ + ); \ + return result; \ +} +#endif + +#define SENTINEL_ENTRY(n) \ +nsresult nsXPTCStubBase::Sentinel##n() \ +{ \ + NS_ASSERTION(0,"nsXPTCStubBase::Sentinel called"); \ + return NS_ERROR_NOT_IMPLEMENTED; \ +} + +#include "xptcstubsdef.inc" +