mirror of
https://repo.dactyloidae.xyz/Dactyloidae/UXP.git
synced 2026-09-21 07:47:32 +09:00
import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
This commit is contained in:
Roy Tam
commit
dcd9973243
150858 changed files with 23884658 additions and 0 deletions
246
xpcom/reflect/xptcall/md/unix/xptcstubs_ppc64_linux.cpp
Normal file
246
xpcom/reflect/xptcall/md/unix/xptcstubs_ppc64_linux.cpp
Normal file
|
|
@ -0,0 +1,246 @@
|
|||
/* -*- 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/. */
|
||||
|
||||
// Implement shared vtbl methods.
|
||||
|
||||
#include "xptcprivate.h"
|
||||
#include "xptiprivate.h"
|
||||
|
||||
// The Linux/PPC64 ABI passes the first 8 integral
|
||||
// parameters and the first 13 floating point parameters in registers
|
||||
// (r3-r10 and f1-f13), no stack space is allocated for these by the
|
||||
// caller. The rest of the parameters are passed in the caller's stack
|
||||
// area. The stack pointer has to retain 16-byte alignment.
|
||||
|
||||
// The PowerPC64 platform ABI can be found here:
|
||||
// http://www.freestandards.org/spec/ELF/ppc64/
|
||||
// and in particular:
|
||||
// http://www.freestandards.org/spec/ELF/ppc64/PPC-elf64abi-1.9.html#FUNC-CALL
|
||||
|
||||
#define PARAM_BUFFER_COUNT 16
|
||||
#define GPR_COUNT 7
|
||||
#define FPR_COUNT 13
|
||||
|
||||
// PrepareAndDispatch() is called by SharedStub() and calls the actual method.
|
||||
//
|
||||
// - 'args[]' contains the arguments passed on stack
|
||||
// - 'gprData[]' contains the arguments passed in integer registers
|
||||
// - 'fprData[]' contains the arguments passed in floating point registers
|
||||
//
|
||||
// The parameters are mapped into an array of type 'nsXPTCMiniVariant'
|
||||
// and then the method gets called.
|
||||
#include <stdio.h>
|
||||
extern "C" nsresult ATTRIBUTE_USED
|
||||
PrepareAndDispatch(nsXPTCStubBase* self,
|
||||
uint64_t methodIndex,
|
||||
uint64_t* args,
|
||||
uint64_t *gprData,
|
||||
double *fprData)
|
||||
{
|
||||
nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
|
||||
nsXPTCMiniVariant* dispatchParams = nullptr;
|
||||
const nsXPTMethodInfo* info;
|
||||
uint32_t paramCount;
|
||||
uint32_t i;
|
||||
nsresult result = NS_ERROR_FAILURE;
|
||||
|
||||
NS_ASSERTION(self,"no self");
|
||||
|
||||
self->mEntry->GetMethodInfo(uint16_t(methodIndex), &info);
|
||||
NS_ASSERTION(info,"no method info");
|
||||
if (! info)
|
||||
return NS_ERROR_UNEXPECTED;
|
||||
|
||||
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");
|
||||
if (! dispatchParams)
|
||||
return NS_ERROR_OUT_OF_MEMORY;
|
||||
|
||||
uint64_t* ap = args;
|
||||
uint64_t tempu64;
|
||||
|
||||
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 == nsXPTType::T_DOUBLE) {
|
||||
if (i < FPR_COUNT)
|
||||
dp->val.d = fprData[i];
|
||||
else
|
||||
dp->val.d = *(double*) ap;
|
||||
} else if (!param.IsOut() && type == nsXPTType::T_FLOAT) {
|
||||
if (i < FPR_COUNT)
|
||||
dp->val.f = (float) fprData[i]; // in registers floats are passed as doubles
|
||||
else {
|
||||
float *p = (float *)ap;
|
||||
#ifndef __LITTLE_ENDIAN__
|
||||
p++;
|
||||
#endif
|
||||
dp->val.f = *p;
|
||||
}
|
||||
} else { /* integer type or pointer */
|
||||
if (i < GPR_COUNT)
|
||||
tempu64 = gprData[i];
|
||||
else
|
||||
tempu64 = *ap;
|
||||
|
||||
if (param.IsOut() || !type.IsArithmetic())
|
||||
dp->val.p = (void*) tempu64;
|
||||
else if (type == nsXPTType::T_I8)
|
||||
dp->val.i8 = (int8_t) tempu64;
|
||||
else if (type == nsXPTType::T_I16)
|
||||
dp->val.i16 = (int16_t) tempu64;
|
||||
else if (type == nsXPTType::T_I32)
|
||||
dp->val.i32 = (int32_t) tempu64;
|
||||
else if (type == nsXPTType::T_I64)
|
||||
dp->val.i64 = (int64_t) tempu64;
|
||||
else if (type == nsXPTType::T_U8)
|
||||
dp->val.u8 = (uint8_t) tempu64;
|
||||
else if (type == nsXPTType::T_U16)
|
||||
dp->val.u16 = (uint16_t) tempu64;
|
||||
else if (type == nsXPTType::T_U32)
|
||||
dp->val.u32 = (uint32_t) tempu64;
|
||||
else if (type == nsXPTType::T_U64)
|
||||
dp->val.u64 = (uint64_t) tempu64;
|
||||
else if (type == nsXPTType::T_BOOL)
|
||||
dp->val.b = (bool) tempu64;
|
||||
else if (type == nsXPTType::T_CHAR)
|
||||
dp->val.c = (char) tempu64;
|
||||
else if (type == nsXPTType::T_WCHAR)
|
||||
dp->val.wc = (wchar_t) tempu64;
|
||||
else
|
||||
NS_ERROR("bad type");
|
||||
}
|
||||
|
||||
if (i >= 7)
|
||||
ap++;
|
||||
}
|
||||
|
||||
result = self->mOuter->CallMethod((uint16_t) methodIndex, info,
|
||||
dispatchParams);
|
||||
|
||||
if (dispatchParams != paramBuffer)
|
||||
delete [] dispatchParams;
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
// Load r11 with the constant 'n' and branch to SharedStub().
|
||||
//
|
||||
// XXX Yes, it's ugly that we're relying on gcc's name-mangling here;
|
||||
// however, it's quick, dirty, and'll break when the ABI changes on
|
||||
// us, which is what we want ;-).
|
||||
|
||||
|
||||
// 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...
|
||||
|
||||
#if _CALL_ELF == 2
|
||||
# define STUB_ENTRY(n) \
|
||||
__asm__ ( \
|
||||
".section \".text\" \n\t" \
|
||||
".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" \
|
||||
"0: addis 2,12,.TOC.-0b@ha \n\t" \
|
||||
"addi 2,2,.TOC.-0b@l \n\t" \
|
||||
".localentry _ZN14nsXPTCStubBase5Stub"#n"Ev,.-_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" \
|
||||
"0: addis 2,12,.TOC.-0b@ha \n\t" \
|
||||
"addi 2,2,.TOC.-0b@l \n\t" \
|
||||
".localentry _ZN14nsXPTCStubBase6Stub"#n"Ev,.-_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" \
|
||||
"0: addis 2,12,.TOC.-0b@ha \n\t" \
|
||||
"addi 2,2,.TOC.-0b@l \n\t" \
|
||||
".localentry _ZN14nsXPTCStubBase7Stub"#n"Ev,.-_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 \n" \
|
||||
);
|
||||
#else
|
||||
# define STUB_ENTRY(n) \
|
||||
__asm__ ( \
|
||||
".section \".toc\",\"aw\" \n\t" \
|
||||
".section \".text\" \n\t" \
|
||||
".align 2 \n\t" \
|
||||
".if "#n" < 10 \n\t" \
|
||||
".globl _ZN14nsXPTCStubBase5Stub"#n"Ev \n\t" \
|
||||
".section \".opd\",\"aw\" \n\t" \
|
||||
".align 3 \n\t" \
|
||||
"_ZN14nsXPTCStubBase5Stub"#n"Ev: \n\t" \
|
||||
".quad ._ZN14nsXPTCStubBase5Stub"#n"Ev,.TOC.@tocbase \n\t" \
|
||||
".previous \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" \
|
||||
".section \".opd\",\"aw\" \n\t" \
|
||||
".align 3 \n\t" \
|
||||
"_ZN14nsXPTCStubBase6Stub"#n"Ev: \n\t" \
|
||||
".quad ._ZN14nsXPTCStubBase6Stub"#n"Ev,.TOC.@tocbase \n\t" \
|
||||
".previous \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" \
|
||||
".section \".opd\",\"aw\" \n\t" \
|
||||
".align 3 \n\t" \
|
||||
"_ZN14nsXPTCStubBase7Stub"#n"Ev: \n\t" \
|
||||
".quad ._ZN14nsXPTCStubBase7Stub"#n"Ev,.TOC.@tocbase \n\t" \
|
||||
".previous \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 \n" \
|
||||
);
|
||||
#endif
|
||||
|
||||
#define SENTINEL_ENTRY(n) \
|
||||
nsresult nsXPTCStubBase::Sentinel##n() \
|
||||
{ \
|
||||
NS_ERROR("nsXPTCStubBase::Sentinel called"); \
|
||||
return NS_ERROR_NOT_IMPLEMENTED; \
|
||||
}
|
||||
|
||||
#include "xptcstubsdef.inc"
|
||||
Loading…
Add table
Add a link
Reference in a new issue