mirror of
https://github.com/danog/gllvm.git
synced 2024-11-26 17:14:39 +01:00
Dusting away the bitrot, plus adding a COMPILING and LINKING line in the INFO log.
This commit is contained in:
Ian A. Mason
parent
48db30df93
commit
65d0c8c002
14
Makefile
14
Makefile
@ -5,11 +5,12 @@ help:
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@echo ''
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@echo 'Here are the targets:'
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@echo ''
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@echo 'To test : "make check"'
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@echo 'To test : "make test"'
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@echo 'To develop : "make develop"'
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@echo 'To install : "make install"'
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@echo 'To format : "make format"'
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@echo 'To lint : "make lint"'
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@echo 'To vet : "make vet"'
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@echo 'To staticcheck : "make check"'
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@echo 'To clean : "make clean"'
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@echo ''
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@ -20,14 +21,17 @@ develop:
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go install github.com/SRI-CSL/gllvm/cmd/...
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check: develop
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test: develop
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go test -v ./tests
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format:
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gofmt -s -w shared/*.go tests/*.go cmd/*/*.go
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lint:
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golint ./shared/ ./tests/ ./cmd/...
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check:
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staticcheck ./...
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vet:
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go vet ./...
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clean:
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rm -f data/*hello data/*.bc [td]*/.*.c.o [td]*/*.o [td]*/.*.c.o.bc data/*.notanextensionthatwerecognize
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@ -35,7 +35,6 @@ package shared
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import (
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"io"
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"io/ioutil"
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"os"
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"path"
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"path/filepath"
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@ -49,7 +48,7 @@ type bitcodeToObjectLink struct {
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objPath string
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}
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//Compile wraps a call to the compiler with the given args.
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// Compile wraps a call to the compiler with the given args.
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func Compile(args []string, compiler string) (exitCode int) {
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exitCode = 0
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@ -84,8 +83,8 @@ func Compile(args []string, compiler string) (exitCode int) {
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if compiler == "flang" {
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wg.Add(1)
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go execCompile(compilerExecName, pr, &wg, &ok)
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wg.Wait();
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wg.Add(1);
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wg.Wait()
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wg.Add(1)
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go buildAndAttachBitcode(compilerExecName, pr, &bcObjLinks, &newObjectFiles, &wg)
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wg.Wait()
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} else {
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@ -191,7 +190,7 @@ func injectPath(extension, bcFile, objFile string) (success bool) {
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// Store bitcode path to temp file
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var absBcPath, _ = filepath.Abs(bcFile)
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tmpContent := []byte(absBcPath + "\n")
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tmpFile, err := ioutil.TempFile("", "gllvm")
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tmpFile, err := os.CreateTemp("", "gllvm")
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if err != nil {
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LogError("attachBitcodePathToObject: %v\n", err)
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return
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@ -313,10 +312,12 @@ func execCompile(compilerExecName string, pr ParserResult, wg *sync.WaitGroup, o
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// But for the now, we just remove forbidden arguments
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var success bool
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var err error
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var linking = false
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// start afresh
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arguments := []string{}
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// we are linking rather than compiling
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if len(pr.InputFiles) == 0 && len(pr.LinkArgs) > 0 {
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linking = true
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if pr.IsLTO {
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arguments = append(arguments, LLVMLtoLDFLAGS...)
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}
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@ -338,6 +339,11 @@ func execCompile(compilerExecName string, pr ParserResult, wg *sync.WaitGroup, o
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} else {
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arguments = append(arguments, pr.InputList...)
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}
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if linking {
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LogInfo("LINKING with %v using %v", compilerExecName, arguments)
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} else {
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LogInfo("COMPILING with %v using %v", compilerExecName, arguments)
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}
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LogDebug("Calling execCmd(%v, %v)", compilerExecName, arguments)
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success, err = execCmd(compilerExecName, arguments, "")
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if !success {
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@ -346,41 +352,6 @@ func execCompile(compilerExecName string, pr ParserResult, wg *sync.WaitGroup, o
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}
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}
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// Tries to build object file
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func oldExecCompile(compilerExecName string, pr ParserResult, wg *sync.WaitGroup, ok *bool) {
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defer (*wg).Done()
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//iam: strickly speaking we should do more work here depending on whether this is
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// a compile only, a link only, or ...
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// But for the now, we just remove forbidden arguments
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var success bool
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var err error
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if len(pr.ForbiddenFlags) > 0 {
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filteredArgs := pr.InputList[:0]
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for _, arg := range pr.InputList {
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found := false
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for _, bad := range pr.ForbiddenFlags {
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if bad == arg {
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found = true
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break
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}
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}
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if !found {
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filteredArgs = append(filteredArgs, arg)
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}
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}
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success, err = execCmd(compilerExecName, filteredArgs, "")
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} else {
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success, err = execCmd(compilerExecName, pr.InputList, "")
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}
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if !success {
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LogError("Failed to compile using given arguments:\n%v %v\nexit status: %v\n", compilerExecName, pr.InputList, err)
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*ok = false
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}
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}
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// GetCompilerExecName returns the full path of the executable
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func GetCompilerExecName(compiler string) string {
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switch compiler {
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@ -405,7 +376,7 @@ func GetCompilerExecName(compiler string) string {
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}
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}
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//CheckDefer is used to check the return values of defers
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// CheckDefer is used to check the return values of defers
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func CheckDefer(f func() error) {
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if err := f(); err != nil {
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LogWarning("CheckDefer received error: %v\n", err)
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@ -50,49 +50,49 @@ const (
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DarwinSectionName = "__llvm_bc"
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)
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//LLVMToolChainBinDir is the user configured directory holding the LLVM binary tools.
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// LLVMToolChainBinDir is the user configured directory holding the LLVM binary tools.
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var LLVMToolChainBinDir string
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//LLVMCCName is the user configured name of the clang compiler.
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// LLVMCCName is the user configured name of the clang compiler.
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var LLVMCCName string
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//LLVMCXXName is the user configured name of the clang++ compiler.
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// LLVMCXXName is the user configured name of the clang++ compiler.
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var LLVMCXXName string
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//LLVMFName is the user configered name of the flang compiler.
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// LLVMFName is the user configered name of the flang compiler.
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var LLVMFName string
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//LLVMARName is the user configured name of the llvm-ar.
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// LLVMARName is the user configured name of the llvm-ar.
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var LLVMARName string
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//LLVMLINKName is the user configured name of the llvm-link.
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// LLVMLINKName is the user configured name of the llvm-link.
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var LLVMLINKName string
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//LLVMLINKFlags is the user configured list of flags to append to llvm-link.
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// LLVMLINKFlags is the user configured list of flags to append to llvm-link.
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var LLVMLINKFlags []string
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//LLVMConfigureOnly is the user configured flag indicating a single pass mode is required.
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// LLVMConfigureOnly is the user configured flag indicating a single pass mode is required.
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var LLVMConfigureOnly string
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//LLVMBitcodeStorePath is the user configured location of the bitcode archive.
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// LLVMBitcodeStorePath is the user configured location of the bitcode archive.
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var LLVMBitcodeStorePath string
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//LLVMLoggingLevel is the user configured logging level: ERROR, WARNING, INFO, DEBUG.
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// LLVMLoggingLevel is the user configured logging level: ERROR, WARNING, INFO, DEBUG.
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var LLVMLoggingLevel string
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//LLVMLoggingFile is the path to the optional logfile (useful when configuring)
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// LLVMLoggingFile is the path to the optional logfile (useful when configuring)
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var LLVMLoggingFile string
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//LLVMObjcopy is the path to the objcopy executable used to attach the bitcode on *nix.
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// LLVMObjcopy is the path to the objcopy executable used to attach the bitcode on *nix.
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var LLVMObjcopy string
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//LLVMLd is the path to the ld executable used to attach the bitcode on OSX.
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// LLVMLd is the path to the ld executable used to attach the bitcode on OSX.
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var LLVMLd string
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//LLVMbcGen is the list of args to pass to clang during the bitcode generation step.
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// LLVMbcGen is the list of args to pass to clang during the bitcode generation step.
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var LLVMbcGen []string
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//LLVMLtoLDFLAGS is the list of extra flags to pass to the linking steps, when under -flto
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// LLVMLtoLDFLAGS is the list of extra flags to pass to the linking steps, when under -flto
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var LLVMLtoLDFLAGS []string
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const (
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@ -39,7 +39,6 @@ import (
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"debug/macho"
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"flag"
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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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"path"
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@ -50,7 +49,7 @@ import (
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"strings"
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)
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//ExtractionArgs encapsulate the results of parsing the commandline options
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// ExtractionArgs encapsulate the results of parsing the commandline options
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type ExtractionArgs struct {
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Failure bool // indicates failure in parsing the cmd line args
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Verbose bool // inform the user of what is going on
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@ -71,7 +70,7 @@ type ExtractionArgs struct {
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Extractor func(string) ([]string, bool)
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}
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//for printing out the parsed arguments, some have been skipped.
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// for printing out the parsed arguments, some have been skipped.
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func (ea ExtractionArgs) String() string {
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format :=
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`
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@ -93,7 +92,7 @@ ea.StrictExtract: %v
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ea.LlvmLinkerName, ea.ArchiverName, ea.StrictExtract)
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}
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//ParseSwitches parses the command line into an ExtractionArgs object.
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// ParseSwitches parses the command line into an ExtractionArgs object.
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func ParseSwitches(args []string) (ea ExtractionArgs) {
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var flagSet *flag.FlagSet = flag.NewFlagSet(args[0], flag.ContinueOnError)
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@ -145,7 +144,7 @@ func ParseSwitches(args []string) (ea ExtractionArgs) {
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return
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}
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//Extract extracts the LLVM bitcode according to the arguments it is passed.
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// Extract extracts the LLVM bitcode according to the arguments it is passed.
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func Extract(args []string) (exitCode int) {
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exitCode = 1
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@ -443,20 +442,20 @@ func extractFiles(ea ExtractionArgs, inputFile string, toc map[string]int) (succ
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return
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}
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//handleArchive processes an archive, and creates either a bitcode archive, or a module, depending on the flags used.
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// handleArchive processes an archive, and creates either a bitcode archive, or a module, depending on the flags used.
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//
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// Archives are strange beasts. handleArchive processes the archive by:
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// Archives are strange beasts. handleArchive processes the archive by:
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//
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// 1. first creating a table of contents of the archive, which maps file names (in the archive) to the number of
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// times a file with that name is stored in the archive.
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// 1. first creating a table of contents of the archive, which maps file names (in the archive) to the number of
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// times a file with that name is stored in the archive.
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//
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// 2. for each OCCURRENCE of a file (name and count) it extracts the section from the object file, and adds the
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// bitcode paths to the bitcode list.
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// 2. for each OCCURRENCE of a file (name and count) it extracts the section from the object file, and adds the
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// bitcode paths to the bitcode list.
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//
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// 3. it then either links all these bitcode files together using llvm-link, or else is creates a bitcode
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// archive using llvm-ar
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// 3. it then either links all these bitcode files together using llvm-link, or else is creates a bitcode
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// archive using llvm-ar
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//
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//iam: 5/1/2018
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// iam: 5/1/2018
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func handleArchive(ea ExtractionArgs) (success bool) {
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// List bitcode files to link
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var bcFiles []string
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@ -467,7 +466,7 @@ func handleArchive(ea ExtractionArgs) (success bool) {
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LogInfo("handleArchive: ExtractionArgs = %v\n", ea)
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// Create tmp dir
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tmpDirName, err := ioutil.TempDir("", "gllvm")
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tmpDirName, err := os.MkdirTemp("", "gllvm")
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if err != nil {
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LogError("The temporary directory in which to extract object files could not be created.")
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return
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@ -607,7 +606,7 @@ func fetchArgMax(ea ExtractionArgs) (argMax int) {
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func linkBitcodeFilesIncrementally(ea ExtractionArgs, filesToLink []string, argMax int, linkArgs []string) (success bool) {
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var tmpFileList []string
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// Create tmp dir
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tmpDirName, err := ioutil.TempDir(".", "glinking")
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tmpDirName, err := os.MkdirTemp(".", "glinking")
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if err != nil {
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LogError("The temporary directory in which to put temporary linking files could not be created.")
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return
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@ -619,7 +618,7 @@ func linkBitcodeFilesIncrementally(ea ExtractionArgs, filesToLink []string, argM
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LogInfo("Keeping the temporary folder")
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}
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tmpFile, err := ioutil.TempFile(tmpDirName, "tmp")
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tmpFile, err := os.CreateTemp(tmpDirName, "tmp")
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if err != nil {
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LogError("The temporary linking file could not be created.")
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return
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@ -643,7 +642,7 @@ func linkBitcodeFilesIncrementally(ea ExtractionArgs, filesToLink []string, argM
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if ea.Verbose {
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linkArgs = append(linkArgs, "-v")
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}
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tmpFile, err = ioutil.TempFile(tmpDirName, "tmp")
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tmpFile, err = os.CreateTemp(tmpDirName, "tmp")
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if err != nil {
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LogError("Could not generate a temp file in %s because %v.\n", tmpDirName, err)
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success = false
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@ -778,13 +777,13 @@ func writeManifest(ea ExtractionArgs, bcFiles []string, artifactFiles []string)
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section1 := "Physical location of extracted files:\n" + strings.Join(bcFiles, "\n") + "\n\n"
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section2 := "Build-time location of extracted files:\n" + strings.Join(artifactFiles, "\n")
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contents := []byte(section1 + section2)
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if err := ioutil.WriteFile(manifestFilename, contents, 0644); err != nil {
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if err := os.WriteFile(manifestFilename, contents, 0644); err != nil {
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LogError("There was an error while writing the manifest file: ", err)
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return
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}
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} else {
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contents := []byte("\n" + strings.Join(bcFiles, "\n") + "\n")
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if err := ioutil.WriteFile(manifestFilename, contents, 0644); err != nil {
|
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if err := os.WriteFile(manifestFilename, contents, 0644); err != nil {
|
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LogError("There was an error while writing the manifest file: ", err)
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return
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}
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@ -195,7 +195,7 @@ func MachoFileType(objectFile string) (code BinaryType, err error) {
|
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return
|
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}
|
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|
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//IsObjectFileForOS returns true if the given file is an object file for the given OS, using the debug/elf and debug/macho packages.
|
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// IsObjectFileForOS returns true if the given file is an object file for the given OS, using the debug/elf and debug/macho packages.
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func IsObjectFileForOS(objectFile string, operatingSys string) (ok bool, err error) {
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plain := IsPlainFile(objectFile)
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if !plain {
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@ -231,7 +231,7 @@ const (
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fileTypeERROR
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)
|
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|
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//iam: this is not that robust, because it depends on the file utility "file" which is
|
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// iam: this is not that robust, because it depends on the file utility "file" which is
|
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// often missing on docker images (the klee docker file had this problem)
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// this is only used in extraction, not in compilation.
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func getFileType(realPath string) (fileType int, err error) {
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|
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@ -46,7 +46,7 @@ const (
|
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debugV
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)
|
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|
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//loggingLevels is the accepted logging levels.
|
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// loggingLevels is the accepted logging levels.
|
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var loggingLevels = map[string]int{
|
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"ERROR": errorV,
|
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"WARNING": warningV,
|
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@ -61,10 +61,10 @@ var loggingPrefixes = map[int]string{
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debugV: "DEBUG:",
|
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}
|
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|
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//loggingLevel is the user configured level of logging: ERROR, WARNING, INFO, DEBUG
|
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// loggingLevel is the user configured level of logging: ERROR, WARNING, INFO, DEBUG
|
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var loggingLevel = warningV
|
||||
|
||||
//loggingFilePointer is where the logging is streamed too.
|
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// loggingFilePointer is where the logging is streamed too.
|
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var loggingFilePointer = os.Stderr
|
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|
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func init() {
|
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@ -105,19 +105,19 @@ func makeLogger(lvl int) func(format string, a ...interface{}) {
|
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}
|
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}
|
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|
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//LogDebug logs to the configured stream if the logging level is DEBUG.
|
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// LogDebug logs to the configured stream if the logging level is DEBUG.
|
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var LogDebug = makeLogger(debugV)
|
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|
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//LogInfo logs to the configured stream if the logging level is INFO or lower.
|
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// LogInfo logs to the configured stream if the logging level is INFO or lower.
|
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var LogInfo = makeLogger(infoV)
|
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|
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//LogWarning logs to the configured stream if the logging level is WARNING or lower.
|
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// LogWarning logs to the configured stream if the logging level is WARNING or lower.
|
||||
var LogWarning = makeLogger(warningV)
|
||||
|
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//LogError logs to the configured stream if the logging level is ERROR or lower.
|
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// LogError logs to the configured stream if the logging level is ERROR or lower.
|
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var LogError = makeLogger(errorV)
|
||||
|
||||
//LogWrite writes to the logging stream, irregardless of levels.
|
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// LogWrite writes to the logging stream, irregardless of levels.
|
||||
var LogWrite = makeLogger(-1)
|
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|
||||
func informUser(format string, a ...interface{}) {
|
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|
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@ -44,7 +44,7 @@ import (
|
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"strings"
|
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)
|
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|
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//ParserResult is the result of parsing and partioning the command line arguments.
|
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// ParserResult is the result of parsing and partioning the command line arguments.
|
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type ParserResult struct {
|
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InputList []string
|
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InputFiles []string
|
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@ -113,7 +113,7 @@ type argPattern struct {
|
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finfo flagInfo
|
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}
|
||||
|
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//SkipBitcodeGeneration indicates whether or not we should generate bitcode for these command line options.
|
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// SkipBitcodeGeneration indicates whether or not we should generate bitcode for these command line options.
|
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func (pr *ParserResult) SkipBitcodeGeneration() bool {
|
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reason := "No particular reason"
|
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retval := false
|
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@ -155,7 +155,7 @@ func (pr *ParserResult) SkipBitcodeGeneration() bool {
|
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return retval
|
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}
|
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|
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//Parse analyzes the command line aruguments and returns the result of that analysis.
|
||||
// Parse analyzes the command line aruguments and returns the result of that analysis.
|
||||
func Parse(argList []string) ParserResult {
|
||||
var pr = ParserResult{}
|
||||
pr.InputList = argList
|
||||
|
||||
@ -102,13 +102,12 @@ type sanityArgs struct {
|
||||
|
||||
// SanityCheck performs the environmental sanity check.
|
||||
//
|
||||
// Performs the following checks in order:
|
||||
// 0. Check the logging
|
||||
// 1. Check that the OS is supported.
|
||||
// 2. Checks that the compiler settings make sense.
|
||||
// 3. Checks that the needed LLVM utilities exists.
|
||||
// 4. Check that the store, if set, exists.
|
||||
//
|
||||
// Performs the following checks in order:
|
||||
// 0. Check the logging
|
||||
// 1. Check that the OS is supported.
|
||||
// 2. Checks that the compiler settings make sense.
|
||||
// 3. Checks that the needed LLVM utilities exists.
|
||||
// 4. Check that the store, if set, exists.
|
||||
func SanityCheck() {
|
||||
|
||||
sa := parseSanitySwitches()
|
||||
|
||||
Loading…
Reference in New Issue
Block a user