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spirv-tools: vendor as full-fork recipe (path=source, patches baked)

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vasilito
2026-08-01 04:44:12 +03:00
parent 9695e81f9c
commit f0fa0fd58f
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local/recipes/dev/spirv-tools/source/tools/link/linker.cpp
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// Copyright (c) 2017 Pierre Moreau
//
// Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "spirv-tools/linker.hpp"
#include <cassert>
#include <cstring>
#include <iostream>
#include <vector>
#include "source/spirv_target_env.h"
#include "source/table.h"
#include "spirv-tools/libspirv.hpp"
#include "tools/io.h"
#include "tools/util/flags.h"
namespace {
constexpr auto kDefaultEnvironment = "spv1.6";
void print_usage(const char* program) {
std::string target_env_list = spvTargetEnvList(16, 80);
// NOTE: Please maintain flags in lexicographical order.
printf(
R"(%s - Link SPIR-V binary files together.
USAGE: %s [options] [-o <output>] <input>...
The SPIR-V binaries are read from the different <input>(s).
The SPIR-V resulting linked binary module is written to the file "out.spv"
unless the -o option is used; if <output> is "-", it is written to the standard
output.
NOTE: The linker is a work in progress.
Options (in lexicographical order):
--allow-partial-linkage
Allow partial linkage by accepting imported symbols to be
unresolved.
--allow-pointer-mismatch
Allow pointer function parameters to mismatch the target link
target. This is useful to workaround lost correct parameter type
information due to LLVM's opaque pointers.
--create-library
Link the binaries into a library, keeping all exported symbols.
-h, --help
Print this help.
--target-env <env>
Set the environment used for interpreting the inputs. Without
this option the environment defaults to spv1.6. <env> must be
one of {%s}.
NOTE: The SPIR-V version used by the linked binary module
depends only on the version of the inputs, and is not affected
by this option.
--use-highest-version
Upgrade the output SPIR-V version to the highest of the input
files, instead of requiring all of them to have the same
version.
NOTE: If one of the older input files uses an instruction that
is deprecated in the highest SPIR-V version, the output will
be invalid.
--verify-ids
Verify that IDs in the resulting modules are truly unique.
--fnvar-targets
CSV file specifying OpSpecConditionalTarget parameters for each
linked module.
--fnvar-architectures
CSV file specifying OpSpecConditionalArchitecture parameters for
each linked module.
--fnvar-capabilities
For each function variant, include its required capabilities
under OpSpecConditionalCapabilitiesINTEL.
--version
Display linker version information.
)",
program, program, target_env_list.c_str());
}
} // namespace
// clang-format off
FLAG_SHORT_bool( h, /* default_value= */ false, /* required= */ false);
FLAG_LONG_bool( help, /* default_value= */ false, /* required= */ false);
FLAG_LONG_bool( version, /* default_value= */ false, /* required= */ false);
FLAG_LONG_bool( verify_ids, /* default_value= */ false, /* required= */ false);
FLAG_LONG_bool( create_library, /* default_value= */ false, /* required= */ false);
FLAG_LONG_bool( allow_partial_linkage, /* default_value= */ false, /* required= */ false);
FLAG_LONG_bool( allow_pointer_mismatch, /* default_value= */ false, /* required= */ false);
FLAG_SHORT_string(o, /* default_value= */ "", /* required= */ false);
FLAG_LONG_string( target_env, /* default_value= */ kDefaultEnvironment, /* required= */ false);
FLAG_LONG_string( fnvar_targets, /* default_value= */ "", /* required= */ false);
FLAG_LONG_string( fnvar_architectures, /* default_value= */ "", /* required= */ false);
FLAG_LONG_bool( fnvar_capabilities, /* default_value= */ false, /* required= */ false);
FLAG_LONG_bool( use_highest_version, /* default_value= */ false, /* required= */ false);
// clang-format on
int main(int, const char* argv[]) {
if (!flags::Parse(argv)) {
return 1;
}
if (flags::h.value() || flags::help.value()) {
print_usage(argv[0]);
return 0;
}
if (flags::version.value()) {
spv_target_env target_env;
bool success = spvParseTargetEnv(kDefaultEnvironment, &target_env);
assert(success && "Default environment should always parse.");
if (!success) {
fprintf(stderr,
"error: invalid default target environment. Please report this "
"issue.");
return 1;
}
printf("%s\n", spvSoftwareVersionDetailsString());
printf("Target: %s\n", spvTargetEnvDescription(target_env));
return 0;
}
spv_target_env target_env;
if (!spvParseTargetEnv(flags::target_env.value().c_str(), &target_env)) {
fprintf(stderr, "error: Unrecognized target env: %s\n",
flags::target_env.value().c_str());
return 1;
}
const std::string outFile =
flags::o.value().empty() ? "out.spv" : flags::o.value();
const std::vector<std::string>& inFiles = flags::positional_arguments;
spvtools::LinkerOptions options;
options.SetAllowPartialLinkage(flags::allow_partial_linkage.value());
options.SetAllowPtrTypeMismatch(flags::allow_pointer_mismatch.value());
options.SetCreateLibrary(flags::create_library.value());
options.SetVerifyIds(flags::verify_ids.value());
options.SetUseHighestVersion(flags::use_highest_version.value());
if (inFiles.empty()) {
fprintf(stderr, "error: No input file specified\n");
return 1;
}
options.SetInFiles(inFiles);
if (!flags::fnvar_targets.value().empty()) {
std::vector<char> fn_variants_csv_chars;
const bool ret = ReadTextFile(flags::fnvar_targets.value().c_str(),
&fn_variants_csv_chars);
if (!ret) {
return 1;
}
const std::string csv_text(fn_variants_csv_chars.begin(),
fn_variants_csv_chars.end());
options.SetFnVarTargetsCsv(csv_text);
}
if (!flags::fnvar_architectures.value().empty()) {
std::vector<char> fn_variants_csv_chars;
const bool ret = ReadTextFile(flags::fnvar_architectures.value().c_str(),
&fn_variants_csv_chars);
if (!ret) {
return 1;
}
const std::string csv_text(fn_variants_csv_chars.begin(),
fn_variants_csv_chars.end());
options.SetFnVarArchitecturesCsv(csv_text);
}
options.SetHasFnVarCapabilities(flags::fnvar_capabilities.value());
std::vector<std::vector<uint32_t>> contents(inFiles.size());
for (size_t i = 0u; i < inFiles.size(); ++i) {
if (!ReadBinaryFile(inFiles[i].c_str(), &contents[i])) return 1;
}
const spvtools::MessageConsumer consumer = [](spv_message_level_t level,
const char*,
const spv_position_t& position,
const char* message) {
switch (level) {
case SPV_MSG_FATAL:
case SPV_MSG_INTERNAL_ERROR:
case SPV_MSG_ERROR:
std::cerr << "error: " << position.index << ": " << message
<< std::endl;
break;
case SPV_MSG_WARNING:
std::cout << "warning: " << position.index << ": " << message
<< std::endl;
break;
case SPV_MSG_INFO:
std::cout << "info: " << position.index << ": " << message << std::endl;
break;
default:
break;
}
};
spvtools::Context context(target_env);
context.SetMessageConsumer(consumer);
std::vector<uint32_t> linkingResult;
spv_result_t status = Link(context, contents, &linkingResult, options);
if (status != SPV_SUCCESS && status != SPV_WARNING) return 1;
if (!WriteFile<uint32_t>(outFile.c_str(), "wb", linkingResult.data(),
linkingResult.size()))
return 1;
return 0;
}