SPIRV-Tools/source/binary.cpp
Andrew Woloszyn 71fc05587b Refactored dynamic and static state out of text processing.
This reduces the number of arguments required to be passed
to every single function. This is in preparation for adding
id tracking.
2015-10-26 12:55:33 -04:00

590 lines
23 KiB
C++

// Copyright (c) 2015 The Khronos Group Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and/or associated documentation files (the
// "Materials"), to deal in the Materials without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Materials, and to
// permit persons to whom the Materials are furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Materials.
//
// MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS
// KHRONOS STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS
// SPECIFICATIONS AND HEADER INFORMATION ARE LOCATED AT
// https://www.khronos.org/registry/
//
// THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
// MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
#include <libspirv/libspirv.h>
#include "binary.h"
#include "diagnostic.h"
#include "ext_inst.h"
#include "opcode.h"
#include "operand.h"
#include <assert.h>
#include <string.h>
#include <sstream>
// Binary API
enum {
I32_ENDIAN_LITTLE = 0x03020100ul,
I32_ENDIAN_BIG = 0x00010203ul,
};
static const union {
unsigned char bytes[4];
uint32_t value;
} o32_host_order = {{0, 1, 2, 3}};
#define I32_ENDIAN_HOST (o32_host_order.value)
spv_result_t spvBinaryEndianness(const spv_binary binary,
spv_endianness_t *pEndian) {
if (!binary->code || !binary->wordCount) return SPV_ERROR_INVALID_BINARY;
if (!pEndian) return SPV_ERROR_INVALID_POINTER;
uint8_t bytes[4];
memcpy(bytes, binary->code, sizeof(uint32_t));
if (0x03 == bytes[0] && 0x02 == bytes[1] && 0x23 == bytes[2] &&
0x07 == bytes[3]) {
*pEndian = SPV_ENDIANNESS_LITTLE;
return SPV_SUCCESS;
}
if (0x07 == bytes[0] && 0x23 == bytes[1] && 0x02 == bytes[2] &&
0x03 == bytes[3]) {
*pEndian = SPV_ENDIANNESS_BIG;
return SPV_SUCCESS;
}
return SPV_ERROR_INVALID_BINARY;
}
uint32_t spvFixWord(const uint32_t word, const spv_endianness_t endian) {
if ((SPV_ENDIANNESS_LITTLE == endian && I32_ENDIAN_HOST == I32_ENDIAN_BIG) ||
(SPV_ENDIANNESS_BIG == endian && I32_ENDIAN_HOST == I32_ENDIAN_LITTLE)) {
return (word & 0x000000ff) << 24 | (word & 0x0000ff00) << 8 |
(word & 0x00ff0000) >> 8 | (word & 0xff000000) >> 24;
}
return word;
}
uint64_t spvFixDoubleWord(const uint32_t low, const uint32_t high,
const spv_endianness_t endian) {
return (uint64_t(spvFixWord(high, endian)) << 32) | spvFixWord(low, endian);
}
spv_result_t spvBinaryHeaderGet(const spv_binary binary,
const spv_endianness_t endian,
spv_header_t *pHeader) {
if (!binary->code || !binary->wordCount) return SPV_ERROR_INVALID_BINARY;
if (!pHeader) return SPV_ERROR_INVALID_POINTER;
// TODO: Validation checking?
pHeader->magic = spvFixWord(binary->code[SPV_INDEX_MAGIC_NUMBER], endian);
pHeader->version = spvFixWord(binary->code[SPV_INDEX_VERSION_NUMBER], endian);
pHeader->generator =
spvFixWord(binary->code[SPV_INDEX_GENERATOR_NUMBER], endian);
pHeader->bound = spvFixWord(binary->code[SPV_INDEX_BOUND], endian);
pHeader->schema = spvFixWord(binary->code[SPV_INDEX_SCHEMA], endian);
pHeader->instructions = &binary->code[SPV_INDEX_INSTRUCTION];
return SPV_SUCCESS;
}
spv_result_t spvBinaryHeaderSet(spv_binary_t *binary, const uint32_t bound) {
if (!binary) return SPV_ERROR_INVALID_BINARY;
if (!binary->code || !binary->wordCount) return SPV_ERROR_INVALID_BINARY;
binary->code[SPV_INDEX_MAGIC_NUMBER] = SPV_MAGIC_NUMBER;
binary->code[SPV_INDEX_VERSION_NUMBER] = SPV_VERSION_NUMBER;
binary->code[SPV_INDEX_GENERATOR_NUMBER] = SPV_GENERATOR_KHRONOS;
binary->code[SPV_INDEX_BOUND] = bound;
binary->code[SPV_INDEX_SCHEMA] = 0; // NOTE: Reserved
return SPV_SUCCESS;
}
// TODO(dneto): This API is not powerful enough in the case that the
// number and type of operands are not known until partway through parsing
// the operation. This happens when enum operands might have different number
// of operands, or with extended instructions.
spv_operand_type_t spvBinaryOperandInfo(const uint32_t word,
const uint16_t operandIndex,
const spv_opcode_desc opcodeEntry,
const spv_operand_table operandTable,
spv_operand_desc *pOperandEntry) {
spv_operand_type_t type;
if (operandIndex < opcodeEntry->numTypes) {
// NOTE: Do operand table lookup to set operandEntry if successful
uint16_t index = operandIndex - 1;
type = opcodeEntry->operandTypes[index];
spv_operand_desc entry = nullptr;
if (!spvOperandTableValueLookup(operandTable, type, word, &entry)) {
if (SPV_OPERAND_TYPE_NONE != entry->operandTypes[0]) {
*pOperandEntry = entry;
}
}
} else if (*pOperandEntry) {
// NOTE: Use specified operand entry operand type for this word
uint16_t index = operandIndex - opcodeEntry->numTypes;
type = (*pOperandEntry)->operandTypes[index];
} else if (OpSwitch == opcodeEntry->opcode) {
// NOTE: OpSwitch is a special case which expects a list of paired extra
// operands
assert(0 &&
"This case is previously untested, remove this assert and ensure it "
"is behaving correctly!");
uint16_t lastIndex = opcodeEntry->numTypes - 1;
uint16_t index = lastIndex + ((operandIndex - lastIndex) % 2);
type = opcodeEntry->operandTypes[index];
} else {
// NOTE: Default to last operand type in opcode entry
uint16_t index = opcodeEntry->numTypes - 1;
type = opcodeEntry->operandTypes[index];
}
return type;
}
spv_result_t spvBinaryDecodeOperand(
const Op opcode, const spv_operand_type_t type, const uint32_t *words,
uint16_t numWords, const spv_endianness_t endian, const uint32_t options,
const spv_operand_table operandTable, const spv_ext_inst_table extInstTable,
spv_operand_pattern_t *pExpectedOperands, spv_ext_inst_type_t *pExtInstType,
out_stream &stream, spv_position position, spv_diagnostic *pDiagnostic) {
if (!words || !position) return SPV_ERROR_INVALID_POINTER;
if (!pDiagnostic) return SPV_ERROR_INVALID_DIAGNOSTIC;
bool print = spvIsInBitfield(SPV_BINARY_TO_TEXT_OPTION_PRINT, options);
bool color =
print && spvIsInBitfield(SPV_BINARY_TO_TEXT_OPTION_COLOR, options);
switch (type) {
case SPV_OPERAND_TYPE_EXECUTION_SCOPE:
case SPV_OPERAND_TYPE_ID:
case SPV_OPERAND_TYPE_ID_IN_OPTIONAL_TUPLE:
case SPV_OPERAND_TYPE_OPTIONAL_ID:
case SPV_OPERAND_TYPE_MEMORY_SEMANTICS:
case SPV_OPERAND_TYPE_RESULT_ID: {
if (color) {
if (type == SPV_OPERAND_TYPE_RESULT_ID) {
stream.get() << clr::blue();
} else {
stream.get() << clr::yellow();
}
}
stream.get() << "%" << spvFixWord(words[0], endian);
stream.get() << ((color) ? clr::reset() : "");
position->index++;
} break;
case SPV_OPERAND_TYPE_LITERAL_NUMBER: {
// NOTE: Special case for extended instruction use
if (OpExtInst == opcode) {
spv_ext_inst_desc extInst;
if (spvExtInstTableValueLookup(extInstTable, *pExtInstType, words[0],
&extInst)) {
DIAGNOSTIC << "Invalid extended instruction '" << words[0] << "'.";
return SPV_ERROR_INVALID_BINARY;
}
spvPrependOperandTypes(extInst->operandTypes, pExpectedOperands);
stream.get() << (color ? clr::red() : "");
stream.get() << extInst->name;
stream.get() << (color ? clr::reset() : "");
position->index++;
break;
}
} // Fall through for the general case.
case SPV_OPERAND_TYPE_MULTIWORD_LITERAL_NUMBER:
case SPV_OPERAND_TYPE_OPTIONAL_LITERAL_NUMBER:
case SPV_OPERAND_TYPE_LITERAL_NUMBER_IN_OPTIONAL_TUPLE: {
// TODO: Need to support multiple word literals
stream.get() << (color ? clr::red() : "");
if (numWords > 2) {
DIAGNOSTIC << "Literal numbers larger than 64-bit not supported yet.";
return SPV_UNSUPPORTED;
} else if (numWords == 2) {
stream.get() << spvFixDoubleWord(words[0], words[1], endian);
position->index += 2;
} else {
stream.get() << spvFixWord(words[0], endian);
position->index++;
}
stream.get() << (color ? clr::reset() : "");
} break;
case SPV_OPERAND_TYPE_LITERAL_STRING:
case SPV_OPERAND_TYPE_OPTIONAL_LITERAL_STRING: {
const char *string = (const char *)words;
uint64_t stringOperandCount = (strlen(string) / 4) + 1;
// NOTE: Special case for extended instruction import
if (OpExtInstImport == opcode) {
*pExtInstType = spvExtInstImportTypeGet(string);
if (SPV_EXT_INST_TYPE_NONE == *pExtInstType) {
DIAGNOSTIC << "Invalid extended instruction import'" << string
<< "'.";
return SPV_ERROR_INVALID_BINARY;
}
}
stream.get() << "\"";
stream.get() << (color ? clr::green() : "");
stream.get() << string;
stream.get() << (color ? clr::reset() : "");
stream.get() << "\"";
position->index += stringOperandCount;
} break;
case SPV_OPERAND_TYPE_CAPABILITY:
case SPV_OPERAND_TYPE_SOURCE_LANGUAGE:
case SPV_OPERAND_TYPE_EXECUTION_MODEL:
case SPV_OPERAND_TYPE_ADDRESSING_MODEL:
case SPV_OPERAND_TYPE_MEMORY_MODEL:
case SPV_OPERAND_TYPE_EXECUTION_MODE:
case SPV_OPERAND_TYPE_OPTIONAL_EXECUTION_MODE:
case SPV_OPERAND_TYPE_STORAGE_CLASS:
case SPV_OPERAND_TYPE_DIMENSIONALITY:
case SPV_OPERAND_TYPE_SAMPLER_ADDRESSING_MODE:
case SPV_OPERAND_TYPE_SAMPLER_FILTER_MODE:
case SPV_OPERAND_TYPE_FP_ROUNDING_MODE:
case SPV_OPERAND_TYPE_LINKAGE_TYPE:
case SPV_OPERAND_TYPE_ACCESS_QUALIFIER:
case SPV_OPERAND_TYPE_FUNCTION_PARAMETER_ATTRIBUTE:
case SPV_OPERAND_TYPE_DECORATION:
case SPV_OPERAND_TYPE_BUILT_IN:
case SPV_OPERAND_TYPE_GROUP_OPERATION:
case SPV_OPERAND_TYPE_KERNEL_ENQ_FLAGS:
case SPV_OPERAND_TYPE_KERNEL_PROFILING_INFO: {
spv_operand_desc entry;
if (spvOperandTableValueLookup(operandTable, type,
spvFixWord(words[0], endian), &entry)) {
DIAGNOSTIC << "Invalid " << spvOperandTypeStr(type) << " operand '"
<< words[0] << "'.";
return SPV_ERROR_INVALID_TEXT; // TODO(dneto): Surely this is invalid binary.
}
stream.get() << entry->name;
// Prepare to accept operands to this operand, if needed.
spvPrependOperandTypes(entry->operandTypes, pExpectedOperands);
position->index++;
} break;
case SPV_OPERAND_TYPE_FP_FAST_MATH_MODE:
case SPV_OPERAND_TYPE_FUNCTION_CONTROL:
case SPV_OPERAND_TYPE_LOOP_CONTROL:
case SPV_OPERAND_TYPE_OPTIONAL_IMAGE:
case SPV_OPERAND_TYPE_OPTIONAL_MEMORY_ACCESS:
case SPV_OPERAND_TYPE_SELECTION_CONTROL: {
// This operand is a mask.
// Scan it from least significant bit to most significant bit. For each
// set bit, emit the name of that bit and prepare to parse its operands,
// if any.
uint32_t remaining_word = spvFixWord(words[0], endian);
uint32_t mask;
int num_emitted = 0;
for (mask = 1; remaining_word; mask <<= 1) {
if (remaining_word & mask) {
remaining_word ^= mask;
spv_operand_desc entry;
if (spvOperandTableValueLookup(operandTable, type, mask, &entry)) {
DIAGNOSTIC << "Invalid " << spvOperandTypeStr(type) << " operand '"
<< words[0] << "'.";
return SPV_ERROR_INVALID_BINARY;
}
if (num_emitted) stream.get() << "|";
stream.get() << entry->name;
num_emitted++;
}
}
if (!num_emitted) {
// An operand value of 0 was provided, so represent it by the name
// of the 0 value. In many cases, that's "None".
spv_operand_desc entry;
if (SPV_SUCCESS ==
spvOperandTableValueLookup(operandTable, type, 0, &entry)) {
stream.get() << entry->name;
// Prepare for its operands, if any.
spvPrependOperandTypes(entry->operandTypes, pExpectedOperands);
}
}
// Prepare for subsequent operands, if any.
// Scan from MSB to LSB since we can only prepend operands to a pattern.
remaining_word = spvFixWord(words[0], endian);
for (mask = (1u << 31); remaining_word; mask >>= 1) {
if (remaining_word & mask) {
remaining_word ^= mask;
spv_operand_desc entry;
if (SPV_SUCCESS ==
spvOperandTableValueLookup(operandTable, type, mask, &entry)) {
spvPrependOperandTypes(entry->operandTypes, pExpectedOperands);
}
}
}
position->index++;
} break;
default: {
DIAGNOSTIC << "Invalid binary operand '" << type << "'";
return SPV_ERROR_INVALID_BINARY;
}
}
return SPV_SUCCESS;
}
spv_result_t spvBinaryDecodeOpcode(
spv_instruction_t *pInst, const spv_endianness_t endian,
const uint32_t options, const spv_opcode_table opcodeTable,
const spv_operand_table operandTable, const spv_ext_inst_table extInstTable,
spv_assembly_syntax_format_t format, out_stream &stream,
spv_position position, spv_diagnostic *pDiagnostic) {
if (!pInst || !position) return SPV_ERROR_INVALID_POINTER;
if (!opcodeTable || !operandTable || !extInstTable)
return SPV_ERROR_INVALID_TABLE;
if (!pDiagnostic) return SPV_ERROR_INVALID_DIAGNOSTIC;
spv_position_t instructionStart = *position;
uint16_t wordCount;
Op opcode;
spvOpcodeSplit(spvFixWord(pInst->words[0], endian), &wordCount, &opcode);
spv_opcode_desc opcodeEntry;
if (spvOpcodeTableValueLookup(opcodeTable, opcode, &opcodeEntry)) {
DIAGNOSTIC << "Invalid Opcode '" << opcode << "'.";
return SPV_ERROR_INVALID_BINARY;
}
// See if there are enough required words.
// Some operands in the operand types are optional or could be zero length.
// The optional and zero length opeands must be at the end of the list.
if (opcodeEntry->numTypes > wordCount &&
!spvOperandIsOptional(opcodeEntry->operandTypes[wordCount])) {
uint16_t numRequired;
for (numRequired = 0;
numRequired < opcodeEntry->numTypes &&
!spvOperandIsOptional(opcodeEntry->operandTypes[numRequired]);
numRequired++)
;
DIAGNOSTIC << "Invalid instruction Op" << opcodeEntry->name
<< " word count '" << wordCount << "', expected at least '"
<< numRequired << "'.";
return SPV_ERROR_INVALID_BINARY;
}
const bool isAssigmentFormat =
SPV_ASSEMBLY_SYNTAX_FORMAT_ASSIGNMENT == format;
// For Canonical Assembly Format, all words are written to stream in order.
// For Assignment Assembly Format, <result-id> and the equal sign are written
// to stream first, while the rest are written to no_result_id_stream. After
// processing all words, all words in no_result_id_stream are transcribed to
// stream.
std::stringstream no_result_id_strstream;
out_stream no_result_id_stream(no_result_id_strstream);
(isAssigmentFormat ? no_result_id_stream.get() : stream.get())
<< "Op" << opcodeEntry->name;
const int16_t result_id_index = spvOpcodeResultIdIndex(opcodeEntry);
position->index++;
// Maintains the ordered list of expected operand types.
// For many instructions we only need the {numTypes, operandTypes}
// entries in opcodeEntry. However, sometimes we need to modify
// the list as we parse the operands. This occurs when an operand
// has its own logical operands (such as the LocalSize operand for
// ExecutionMode), or for extended instructions that may have their
// own operands depending on the selected extended instruction.
spv_operand_pattern_t expectedOperands(
opcodeEntry->operandTypes,
opcodeEntry->operandTypes + opcodeEntry->numTypes);
for (uint16_t index = 1; index < wordCount; ++index) {
const uint64_t currentPosIndex = position->index;
const bool currentIsResultId = result_id_index == index - 1;
if (expectedOperands.empty()) {
DIAGNOSTIC << "Invalid instruction Op" << opcodeEntry->name
<< " starting at word " << instructionStart.index
<< ": expected no more operands after " << index
<< " words, but word count is " << wordCount << ".";
return SPV_ERROR_INVALID_BINARY;
}
spv_operand_type_t type = spvTakeFirstMatchableOperand(&expectedOperands);
if (isAssigmentFormat) {
if (!currentIsResultId) no_result_id_stream.get() << " ";
} else {
stream.get() << " ";
}
uint16_t numWords = 1;
if (type == SPV_OPERAND_TYPE_MULTIWORD_LITERAL_NUMBER) {
// Make sure this is the last operand for this instruction.
if (expectedOperands.empty()) {
numWords = wordCount - index;
} else {
// TODO(antiagainst): This may not be an error. The exact design has not
// been settled yet.
DIAGNOSTIC << "Multiple word literal numbers can only appear as the "
"last operand of an instruction.";
return SPV_ERROR_INVALID_BINARY;
}
}
if (spvBinaryDecodeOperand(
opcodeEntry->opcode, type, pInst->words + index, numWords, endian,
options, operandTable, extInstTable, &expectedOperands,
&pInst->extInstType,
(isAssigmentFormat && !currentIsResultId ? no_result_id_stream
: stream),
position, pDiagnostic)) {
DIAGNOSTIC << "UNEXPLAINED ERROR";
return SPV_ERROR_INVALID_BINARY;
}
if (isAssigmentFormat && currentIsResultId) stream.get() << " = ";
index += (uint16_t)(position->index - currentPosIndex - 1);
}
// TODO(dneto): There's an opportunity for a more informative message.
if (!expectedOperands.empty() &&
!spvOperandIsOptional(expectedOperands.front())) {
DIAGNOSTIC << "Invalid instruction Op" << opcodeEntry->name
<< " starting at word " << instructionStart.index
<< ": expected more operands after " << wordCount << " words.";
return SPV_ERROR_INVALID_BINARY;
}
stream.get() << no_result_id_strstream.str();
return SPV_SUCCESS;
}
spv_result_t spvBinaryToText(uint32_t *code, const uint64_t wordCount,
const uint32_t options,
const spv_opcode_table opcodeTable,
const spv_operand_table operandTable,
const spv_ext_inst_table extInstTable,
spv_text *pText, spv_diagnostic *pDiagnostic) {
return spvBinaryToTextWithFormat(
code, wordCount, options, opcodeTable, operandTable, extInstTable,
SPV_ASSEMBLY_SYNTAX_FORMAT_DEFAULT, pText, pDiagnostic);
}
spv_result_t spvBinaryToTextWithFormat(
uint32_t *code, const uint64_t wordCount, const uint32_t options,
const spv_opcode_table opcodeTable, const spv_operand_table operandTable,
const spv_ext_inst_table extInstTable, spv_assembly_syntax_format_t format,
spv_text *pText, spv_diagnostic *pDiagnostic) {
spv_binary_t binary = {code, wordCount};
spv_position_t position = {};
if (!binary.code || !binary.wordCount) {
DIAGNOSTIC << "Binary stream is empty.";
return SPV_ERROR_INVALID_BINARY;
}
if (!opcodeTable || !operandTable || !extInstTable)
return SPV_ERROR_INVALID_TABLE;
if (pText && spvIsInBitfield(SPV_BINARY_TO_TEXT_OPTION_PRINT, options))
return SPV_ERROR_INVALID_POINTER;
if (!pText && !spvIsInBitfield(SPV_BINARY_TO_TEXT_OPTION_PRINT, options))
return SPV_ERROR_INVALID_POINTER;
if (!pDiagnostic) return SPV_ERROR_INVALID_DIAGNOSTIC;
spv_endianness_t endian;
if (spvBinaryEndianness(&binary, &endian)) {
DIAGNOSTIC << "Invalid SPIR-V magic number '" << std::hex << binary.code[0]
<< "'.";
return SPV_ERROR_INVALID_BINARY;
}
spv_header_t header;
if (spvBinaryHeaderGet(&binary, endian, &header)) {
DIAGNOSTIC << "Invalid SPIR-V header.";
return SPV_ERROR_INVALID_BINARY;
}
bool print = spvIsInBitfield(SPV_BINARY_TO_TEXT_OPTION_PRINT, options);
bool color =
print && spvIsInBitfield(SPV_BINARY_TO_TEXT_OPTION_COLOR, options);
std::stringstream sstream;
out_stream stream(sstream);
if (print) {
stream = out_stream();
}
if (color) {
stream.get() << clr::grey();
}
stream.get() << "; SPIR-V\n"
<< "; Version: " << header.version << "\n"
<< "; Generator: " << spvGeneratorStr(header.generator) << "\n"
<< "; Bound: " << header.bound << "\n"
<< "; Schema: " << header.schema << "\n";
if (color) {
stream.get() << clr::reset();
}
const uint32_t *words = binary.code;
position.index = SPV_INDEX_INSTRUCTION;
spv_ext_inst_type_t extInstType = SPV_EXT_INST_TYPE_NONE;
while (position.index < binary.wordCount) {
uint64_t index = position.index;
uint16_t wordCount;
Op opcode;
spvOpcodeSplit(spvFixWord(words[position.index], endian), &wordCount,
&opcode);
spv_instruction_t inst = {};
inst.extInstType = extInstType;
spvInstructionCopy(&words[position.index], opcode, wordCount, endian,
&inst);
if (spvBinaryDecodeOpcode(&inst, endian, options, opcodeTable, operandTable,
extInstTable, format, stream, &position,
pDiagnostic))
return SPV_ERROR_INVALID_BINARY;
extInstType = inst.extInstType;
if ((index + wordCount) != position.index) {
DIAGNOSTIC << "Invalid word count.";
return SPV_ERROR_INVALID_BINARY;
}
stream.get() << "\n";
}
if (!print) {
size_t length = sstream.str().size();
char *str = new char[length + 1];
if (!str) return SPV_ERROR_OUT_OF_MEMORY;
strncpy(str, sstream.str().c_str(), length + 1);
spv_text text = new spv_text_t();
if (!text) return SPV_ERROR_OUT_OF_MEMORY;
text->str = str;
text->length = length;
*pText = text;
}
return SPV_SUCCESS;
}
void spvBinaryDestroy(spv_binary binary) {
if (!binary) return;
if (binary->code) {
delete[] binary->code;
}
delete binary;
}