CACHE_BASE::CACHE_BASE(std::string name, UINT32 cacheSize, UINT32 lineSize, UINT32 associativity)
: _name(name),
_cacheSize(cacheSize),
_lineSize(lineSize),
_associativity(associativity),
_lineShift(FloorLog2(lineSize)),
_setIndexMask((cacheSize / (associativity * lineSize)) - 1)
{
ASSERTX(IsPower2(_lineSize));
ASSERTX(IsPower2(_setIndexMask + 1));
for (UINT32 accessType = 0; accessType < ACCESS_TYPE_NUM; accessType++)
{
_access[accessType][false] = 0;
_access[accessType][true] = 0;
}
}
void CELF2ASM<ELFSTRUCTURES>::MakeSectionList() {
// Make Sections list and Relocations list in Disasm
// Allocate array for translating oroginal section numbers to new index
SectionNumberTranslate.SetNum(this->NSections + 1);
uint32 NewSectionIndex = 0;
for (uint32 sc = 0; sc < this->NSections; sc++) {
// Get copy of 32-bit header or converted 64-bit header
TELF_SectionHeader sheader = this->SectionHeaders[sc];
int entrysize = (uint32)(sheader.sh_entsize);
uint32 namei = sheader.sh_name;
if (namei >= this->SecStringTableLen) {
err.submit(2112);
break;
}
// if (sheader.sh_type == SHT_PROGBITS || sheader.sh_type == SHT_NOBITS) {
// // This is a code, data or bss section
if (sheader.sh_flags & SHF_ALLOC) {
// This is an allocated section
// Give it a new index
SectionNumberTranslate[sc] = ++NewSectionIndex;
// Get section parameters
uint8 * Buffer = (uint8*)(this->Buf()) + (uint32)sheader.sh_offset;
uint32 InitSize = (sheader.sh_type == SHT_NOBITS) ? 0 : (uint32)sheader.sh_size;
uint32 TotalSize = (uint32)sheader.sh_size;
uint32 SectionAddress = (uint32)sheader.sh_addr - (uint32)ImageBase;
uint32 Align = FloorLog2((uint32)sheader.sh_addralign);
const char * Name = this->SecStringTable + namei;
// Detect segment type
uint32 Type = 0;
if (sheader.sh_flags & SHF_ALLOC) {
// Allocate
if (sheader.sh_type == SHT_NOBITS) {
// Uninitialized data
Type = 3;
}
else if (sheader.sh_flags & SHF_EXECINSTR) {
// Executable
Type = 1;
}
else if (!(sheader.sh_flags & SHF_WRITE)) {
// Not writeable
Type = 4;
}
else {
// Initialized writeable data
Type = 2;
}
}
// Save section record
Disasm.AddSection(Buffer, InitSize, TotalSize, SectionAddress, Type, Align, this->WordSize, Name);
}
}
}
GLXPixmap
GLXLibrary::CreatePixmap(gfxASurface* aSurface)
{
if (!SupportsTextureFromPixmap(aSurface)) {
return None;
}
gfxXlibSurface *xs = static_cast<gfxXlibSurface*>(aSurface);
const XRenderPictFormat *format = xs->XRenderFormat();
if (!format || format->type != PictTypeDirect) {
return None;
}
const XRenderDirectFormat& direct = format->direct;
int alphaSize = FloorLog2(direct.alphaMask + 1);
NS_ASSERTION((1 << alphaSize) - 1 == direct.alphaMask,
"Unexpected render format with non-adjacent alpha bits");
int attribs[] = { LOCAL_GLX_DOUBLEBUFFER, False,
LOCAL_GLX_DRAWABLE_TYPE, LOCAL_GLX_PIXMAP_BIT,
LOCAL_GLX_ALPHA_SIZE, alphaSize,
(alphaSize ? LOCAL_GLX_BIND_TO_TEXTURE_RGBA_EXT
: LOCAL_GLX_BIND_TO_TEXTURE_RGB_EXT), True,
LOCAL_GLX_RENDER_TYPE, LOCAL_GLX_RGBA_BIT,
None };
int numConfigs = 0;
Display *display = xs->XDisplay();
int xscreen = DefaultScreen(display);
ScopedXFree<GLXFBConfig> cfgs(xChooseFBConfig(display,
xscreen,
attribs,
&numConfigs));
// Find an fbconfig that matches the pixel format used on the Pixmap.
int matchIndex = -1;
unsigned long redMask =
static_cast<unsigned long>(direct.redMask) << direct.red;
unsigned long greenMask =
static_cast<unsigned long>(direct.greenMask) << direct.green;
unsigned long blueMask =
static_cast<unsigned long>(direct.blueMask) << direct.blue;
// This is true if the Pixmap has bits for alpha or unused bits.
bool haveNonColorBits =
~(redMask | greenMask | blueMask) != -1UL << format->depth;
for (int i = 0; i < numConfigs; i++) {
int id = None;
sGLXLibrary[mLibType].xGetFBConfigAttrib(display, cfgs[i], LOCAL_GLX_VISUAL_ID, &id);
Visual *visual;
int depth;
FindVisualAndDepth(display, id, &visual, &depth);
if (!visual ||
visual->c_class != TrueColor ||
visual->red_mask != redMask ||
visual->green_mask != greenMask ||
visual->blue_mask != blueMask ) {
continue;
}
// Historically Xlib Visuals did not try to represent an alpha channel
// and there was no means to use an alpha channel on a Pixmap. The
// Xlib Visual from the fbconfig was not intended to have any
// information about alpha bits.
//
// Since then, RENDER has added formats for 32 bit depth Pixmaps.
// Some of these formats have bits for alpha and some have unused
// bits.
//
// Then the Composite extension added a 32 bit depth Visual intended
// for Windows with an alpha channel, so bits not in the visual color
// masks were expected to be treated as alpha bits.
//
// Usually GLX counts only color bits in the Visual depth, but the
// depth of Composite's ARGB Visual includes alpha bits. However,
// bits not in the color masks are not necessarily alpha bits because
// sometimes (NVIDIA) 32 bit Visuals are added for fbconfigs with 32
// bit BUFFER_SIZE but zero alpha bits and 24 color bits (NVIDIA
// again).
//
// This checks that the depth matches in one of the two ways.
// NVIDIA now forces format->depth == depth so only the first way
// is checked for NVIDIA
if (depth != format->depth &&
(mIsNVIDIA || depth != format->depth - alphaSize) ) {
continue;
}
// If all bits of the Pixmap are color bits and the Pixmap depth
// matches the depth of the fbconfig visual, then we can assume that
// the driver will do whatever is necessary to ensure that any
// GLXPixmap alpha bits are treated as set. We can skip the
// ALPHA_SIZE check in this situation. We need to skip this check for
// situations (ATI) where there are no fbconfigs without alpha bits.
//
// glXChooseFBConfig should prefer configs with smaller
// LOCAL_GLX_BUFFER_SIZE, so we should still get zero alpha bits if
// available, except perhaps with NVIDIA drivers where buffer size is
// not the specified sum of the component sizes.
if (haveNonColorBits) {
// There are bits in the Pixmap format that haven't been matched
// against the fbconfig visual. These bits could either represent
// alpha or be unused, so just check that the number of alpha bits
// matches.
int size = 0;
sGLXLibrary[mLibType].xGetFBConfigAttrib(display, cfgs[i],
LOCAL_GLX_ALPHA_SIZE, &size);
if (size != alphaSize) {
continue;
}
}
matchIndex = i;
break;
}
if (matchIndex == -1) {
// GLX can't handle A8 surfaces, so this is not really unexpected. The
// caller should deal with this situation.
NS_WARN_IF_FALSE(format->depth == 8,
"[GLX] Couldn't find a FBConfig matching Pixmap format");
return None;
}
int pixmapAttribs[] = { LOCAL_GLX_TEXTURE_TARGET_EXT, LOCAL_GLX_TEXTURE_2D_EXT,
LOCAL_GLX_TEXTURE_FORMAT_EXT,
(alphaSize ? LOCAL_GLX_TEXTURE_FORMAT_RGBA_EXT
: LOCAL_GLX_TEXTURE_FORMAT_RGB_EXT),
None};
GLXPixmap glxpixmap = xCreatePixmap(display,
cfgs[matchIndex],
xs->XDrawable(),
pixmapAttribs);
return glxpixmap;
}
void CELF2MAC<ELFSTRUCTURES,MACSTRUCTURES>::MakeSections() {
// Convert subfunction: Make sections and relocation tables
uint32 oldsec; // Section number in old file
uint32 relsec; // Relocation section in old file
TMAC_section NewHeader; // New section header
TELF_SectionHeader OldHeader; // Old section header
TELF_SectionHeader OldRelHeader;// Old relocation section header
uint32 NewVirtualAddress = 0; // Virtual address of new section
uint32 NewRawDataOffset = 0; // Offset into NewRawData of section.
// NewRawDataOffset is different from NewVirtualAddress if alignment of sections in
// the object file is different from alignment of sections in memory
// Count cumulative number of symbols in each scope
NumSymbols[0] = 0;
NumSymbols[1] = NumSymbols[0] + NewSymTab[0].GetNumEntries();
NumSymbols[2] = NumSymbols[1] + NewSymTab[1].GetNumEntries();
NumSymbols[3] = NumSymbols[2] + NewSymTab[2].GetNumEntries();
if (NumSymbols[3] >= 0x1000000) err.submit(2051); // Too many symbols, max = 2^24
NewSectHeadOffset = ToFile.GetDataSize();
// Second loop through old sections
for (oldsec = 0; oldsec < this->NSections; oldsec++) {
// Copy old header for convenience
OldHeader = this->SectionHeaders[oldsec];
if (OldHeader.sh_size == 0) {
// Remove empty section
// The linker has a bug with empty sections
continue;
}
// Search for program data sections only
if (OldHeader.sh_type == SHT_PROGBITS || OldHeader.sh_type == SHT_NOBITS) {
// Reset new section header
memset(&NewHeader, 0, sizeof(NewHeader));
// Section name
const char * sname = "";
uint32 namei = OldHeader.sh_name;
if (namei >= this->SecStringTableLen) err.submit(2112);
else sname = this->SecStringTable + namei;
// Translate section name and truncate to 16 characters
if (!stricmp(sname,".text") || !stricmp(sname,"_text")) {
strcpy(NewHeader.sectname, "__text");
strcpy(NewHeader.segname, "__TEXT");
}
else if (!stricmp(sname,".data") || !stricmp(sname,"_data")) {
strcpy(NewHeader.sectname, "__data");
strcpy(NewHeader.segname, "__DATA");
}
else if (!strnicmp(sname+1,"bss", 3)) {
strcpy(NewHeader.sectname, "__bss");
strcpy(NewHeader.segname, "__DATA");
}
else if (!strnicmp(sname+1,"const", 5) || !strnicmp(sname+1,"rodata", 6)) {
strcpy(NewHeader.sectname, "__const");
strcpy(NewHeader.segname, "__DATA");
}
else if (!strnicmp(sname, ELF_CONSTRUCTOR_NAME, 5)) {
// Constructors
strcpy(NewHeader.sectname, MAC_CONSTRUCTOR_NAME);
strcpy(NewHeader.segname, "__DATA");
NewHeader.flags = MAC_S_MOD_INIT_FUNC_POINTERS;
}
else if (OldHeader.sh_flags & SHF_EXECINSTR) {
// Other code section
if (strlen(NewHeader.sectname) > 16) err.submit(1040, NewHeader.sectname); // Warning: name truncated
strncpy(NewHeader.sectname, sname, 16);
strcpy(NewHeader.segname, "__TEXT");
}
else {
// Other data section. Truncate name to 16 characters
if (strlen(NewHeader.sectname) > 16) err.submit(1040, NewHeader.sectname); // Warning: name truncated
strncpy(NewHeader.sectname, sname, 16);
strcpy(NewHeader.segname, "__DATA");
}
if (NewHeader.sectname[0] == '.') {
// Make sure name begins with '_'
NewHeader.sectname[0] = '_';
}
// Raw data
NewHeader.size = OldHeader.sh_size; // section size in file
// File to raw data for section
NewHeader.offset = NewRawData.GetDataSize() + RawDataOffset;
if (OldHeader.sh_size && OldHeader.sh_type != SHT_NOBITS) { // Not for .bss segment
// Copy raw data
NewRawDataOffset = NewRawData.Push(this->Buf()+(uint32)OldHeader.sh_offset, (uint32)OldHeader.sh_size);
NewRawData.Align(4);
}
// Section flags
if (OldHeader.sh_flags & SHF_EXECINSTR) {
NewHeader.flags |= MAC_S_ATTR_PURE_INSTRUCTIONS | MAC_S_ATTR_SOME_INSTRUCTIONS;
}
else if (OldHeader.sh_type == SHT_NOBITS) {
NewHeader.flags |= MAC_S_ZEROFILL; // .bss segment
}
// Alignment
NewHeader.align = FloorLog2((uint32)OldHeader.sh_addralign);
if (NewHeader.align > 12) NewHeader.align = 12; // What is the limit for highest alignment?
int AlignBy = 1 << NewHeader.align;
// Align memory address
NewVirtualAddress = (NewVirtualAddress + AlignBy - 1) & -AlignBy;
// Virtual memory address of new section
NewHeader.addr = NewVirtualAddress;
NewVirtualAddress += (uint32)OldHeader.sh_size;
// Find relocation table for this section by searching through all sections
for (relsec = 1; relsec < this->NSections; relsec++) {
// Get section header
OldRelHeader = this->SectionHeaders[relsec];
// Check if this is a relocations section referring to oldsec
if ((OldRelHeader.sh_type == SHT_REL || OldRelHeader.sh_type == SHT_RELA) // if section is relocation
&& OldRelHeader.sh_info == oldsec) { // and if section refers to current section
Elf2MacRelocations(OldRelHeader, NewHeader, NewRawDataOffset, oldsec);
}
} // End of search for relocation table
// Align raw data for next section
NewRawData.Align(4);
// Fix v. 2.14: adjust NewVirtualAddress to match above alignment
NewVirtualAddress = (NewVirtualAddress + 3) & MInt(-4);
// Store section header in file
ToFile.Push(&NewHeader, sizeof(NewHeader));
} // End of if section has program data
} // End of loop through old sections
} // End of function MakeSections
void CELF2MAC<ELFSTRUCTURES,MACSTRUCTURES>::MakeSectionsIndex() {
// Make sections index translation table and section offset table.
// We must make these tables before the sections, because they are needed for the
// symbol tables and relocation tables, and we must make the symbol tables before
// the relocation tables, and we must make the relocation tables together with the
// sections.
uint32 oldsec; // Section number in old file
uint32 newsec = 0; // Section number in new file
NewSectIndex. SetNum(this->NSections); // Allocate size for section index table
NewSectIndex. SetZero(); // Initialize
NewSectOffset.SetNum(this->NSections); // Allocate buffer for section offset table
NewSectOffset.SetZero(); // Initialize
MInt NewVirtualAddress = 0; // Virtual address of new section as specified in Mach-O file
// First loop through old sections
for (oldsec = 0; oldsec < this->NSections; oldsec++) {
NewSectIndex[oldsec] = 0;
NewSectOffset[oldsec] = 0;
// Get section name
const char * sname = "";
uint32 namei = this->SectionHeaders[oldsec].sh_name;
if (namei >= this->SecStringTableLen) {
err.submit(2112);
}
else sname = this->SecStringTable + namei;
if (cmd.DebugInfo == CMDL_DEBUG_STRIP) {
// Check for debug section names
if (strncmp(sname, ".note", 5) == 0
|| strncmp(sname, ".comment", 8) == 0
|| strncmp(sname, ".stab", 5) == 0
|| strncmp(sname, ".debug", 6) == 0) {
// Remove this section
this->SectionHeaders[oldsec].sh_type = SHT_REMOVE_ME;
cmd.CountDebugRemoved();
continue;
}
}
if (cmd.ExeptionInfo == CMDL_EXCEPTION_STRIP) {
// Check for exception section name
if (strncmp(sname, ".eh_frame", 9) == 0) {
// Remove this section
this->SectionHeaders[oldsec].sh_type = SHT_REMOVE_ME;
cmd.CountExceptionRemoved();
continue;
}
}
// Search for program data sections only
if (this->SectionHeaders[oldsec].sh_type != SHT_PROGBITS
&& this->SectionHeaders[oldsec].sh_type != SHT_NOBITS) {
// Has no data. Ignore
continue;
}
if (this->SectionHeaders[oldsec].sh_size == 0) {
// Remove empty section
// The linker has a bug with empty sections
continue;
}
// Section index translation table
NewSectIndex[oldsec] = newsec++;
// Calculate virtual memory address of section. This address does not have
// much to do with the final address, but it is needed in relocation entries.
// Alignment
int NewAlign = FloorLog2((uint32)this->SectionHeaders[oldsec].sh_addralign);
if (NewAlign > 12) NewAlign = 12; // What is the limit for highest alignment?
int AlignBy = 1 << NewAlign;
// Align memory address
NewVirtualAddress = (NewVirtualAddress + AlignBy - 1) & -(MInt)AlignBy;
// Virtual memory address of new section
NewSectOffset[oldsec] = NewVirtualAddress;
// Increment memory address
NewVirtualAddress += this->SectionHeaders[oldsec].sh_size;
// Fix v. 2.14: Align end of memory address by 4
NewVirtualAddress = (NewVirtualAddress + 3) & MInt(-4);
}
// Store number of sections in new file
NumSectionsNew = newsec;
// Calculate file offset of first raw data
RawDataOffset = sizeof(TMAC_header)
+ sizeof(TMAC_segment_command)
+ NumSectionsNew * sizeof(TMAC_section)
+ sizeof(MAC_symtab_command)
+ sizeof(MAC_dysymtab_command);
// Align end of memory address by 4
NewVirtualAddress = (NewVirtualAddress + 3) & MInt(-4);
// Make segment command
TMAC_segment_command NewSegment;
memset(&NewSegment, 0, sizeof(NewSegment));
NewSegment.cmd = (this->WordSize == 32) ? MAC_LC_SEGMENT : MAC_LC_SEGMENT_64;
NewSegment.cmdsize = sizeof(TMAC_segment_command) + NumSectionsNew * sizeof(TMAC_section);
NewSegment.fileoff = RawDataOffset;
NewSegment.nsects = NumSectionsNew;
NewSegment.maxprot = NewSegment.initprot = 7; // 1=read, 2=write, 4=execute
NewSegment.vmsize = NewVirtualAddress;
NewSegment.filesize = 0; // Changed later
// put segment command in OutFile
CommandOffset = ToFile.Push(&NewSegment, sizeof(NewSegment));
}
void
WebGL2Context::FramebufferTextureLayer(GLenum target, GLenum attachment,
WebGLTexture* texture, GLint level, GLint layer)
{
if (IsContextLost())
return;
if (!ValidateFramebufferTarget(target, "framebufferTextureLayer"))
return;
if (!ValidateTextureLayerAttachment(attachment))
return ErrorInvalidEnumInfo("framebufferTextureLayer: attachment:", attachment);
if (texture) {
if (texture->IsDeleted()) {
return ErrorInvalidValue("framebufferTextureLayer: texture must be a valid "
"texture object.");
}
if (layer < 0)
return ErrorInvalidValue("framebufferTextureLayer: layer must be >= 0.");
if (level < 0)
return ErrorInvalidValue("framebufferTextureLayer: level must be >= 0.");
switch (texture->Target().get()) {
case LOCAL_GL_TEXTURE_3D:
if (uint32_t(layer) >= mImplMax3DTextureSize) {
return ErrorInvalidValue("framebufferTextureLayer: layer must be < "
"MAX_3D_TEXTURE_SIZE");
}
if (uint32_t(level) > FloorLog2(mImplMax3DTextureSize)) {
return ErrorInvalidValue("framebufferTextureLayer: layer mube be <= "
"log2(MAX_3D_TEXTURE_SIZE");
}
break;
case LOCAL_GL_TEXTURE_2D_ARRAY:
if (uint32_t(layer) >= mImplMaxArrayTextureLayers) {
return ErrorInvalidValue("framebufferTextureLayer: layer must be < "
"MAX_ARRAY_TEXTURE_LAYERS");
}
if (uint32_t(level) > FloorLog2(mImplMaxTextureSize)) {
return ErrorInvalidValue("framebufferTextureLayer: layer mube be <= "
"log2(MAX_TEXTURE_SIZE");
}
break;
default:
return ErrorInvalidOperation("framebufferTextureLayer: texture must be an "
"existing 3D texture, or a 2D texture array.");
}
}
WebGLFramebuffer* fb;
switch (target) {
case LOCAL_GL_FRAMEBUFFER:
case LOCAL_GL_DRAW_FRAMEBUFFER:
fb = mBoundDrawFramebuffer;
break;
case LOCAL_GL_READ_FRAMEBUFFER:
fb = mBoundReadFramebuffer;
break;
default:
MOZ_CRASH("Bad target.");
}
if (!fb) {
return ErrorInvalidOperation("framebufferTextureLayer: cannot modify"
" framebuffer 0.");
}
fb->FramebufferTextureLayer(attachment, texture, level, layer);
}
