)

// Symbolizer implements the plugin.Symbolize interface.
type Symbolizer struct {
	Obj       plugin.ObjTool
	UI        plugin.UI
	Transport http.RoundTripper
}

// test taps for dependency injection
var symbolzSymbolize = symbolz.Symbolize
var localSymbolize = doLocalSymbolize
var demangleFunction = Demangle

// Symbolize attempts to symbolize profile p. First uses binutils on

)

type source struct {
	Sources   []string
	ExecName  string
	BuildID   string
	Base      []string
	DiffBase  bool
	Normalize bool

	Seconds            int
	Timeout            int
	Symbolize          string
	HTTPHostport       string
	HTTPDisableBrowser bool
	Comment            string
}

// parseFlags parses the command lines through the specified flags package

					continue
				}
			}

			if traceback == "Go+C" {
				// The test code was arranged to have PCs from C and
				// they are not symbolized.
				// Check no Location containing those unsymbolized PCs contains multiple lines.
				for i, loc := range prof.Location {
					if !symbolized(loc) && len(loc.Line) > 1 {

			}
		}
		pbase.Scale(-1)
		p, m, err = combineProfiles([]*profile.Profile{p, pbase}, []plugin.MappingSources{m, mbase})
		if err != nil {
			return nil, err
		}
	}

	// Symbolize the merged profile.
	if err := o.Sym.Symbolize(s.Symbolize, m, p); err != nil {
		return nil, err
	}
	p.RemoveUninteresting()
	unsourceMappings(p)

	if s.Comment != "" {
		p.Comments = append(p.Comments, s.Comment)
	}

			name, path = ct[0], ct[1]
		}
		paths[name] = append(paths[name], path)
	}

	defaultPath := paths[""]
	b.llvmSymbolizer, b.llvmSymbolizerFound = chooseExe([]string{"llvm-symbolizer"}, []string{}, append(paths["llvm-symbolizer"], defaultPath...))
	b.addr2line, b.addr2lineFound = chooseExe([]string{"addr2line"}, []string{"gaddr2line"}, append(paths["addr2line"], defaultPath...))

// parameterized with a flag implementation, fetch and symbolize
// mechanisms.
package driver

import (
	"bytes"
	"fmt"
	"io"
	"os"
	"path/filepath"
	"regexp"
	"strings"

	"github.com/google/pprof/internal/plugin"
	"github.com/google/pprof/internal/report"
	"github.com/google/pprof/profile"
)

// PProf acquires a profile, and symbolizes it using a profile

	}
	switch compiler.name {
	case "gcc":
		return compiler.major >= 10
	case "clang":
		// TODO(65606): The clang toolchain on the LUCI builders is not built against
		// zlib, the ASAN runtime can't actually symbolize its own stack trace. Once
		// this is resolved, one way or another, switch this back to 'true'. We still
		// have coverage from the 'gcc' case above.
		if inLUCIBuild() {
			return false
		}
		return true

				// take an outermost wrapper over nothing.
				continue
			}

			name := sf.name()
			file, line := u.fileLine(uf)
			if line == 0 {
				// Failure to symbolize
				continue
			}
			ctx.fn = &bytes(name)[0] // assume NUL-terminated
			ctx.line = uintptr(line)
			ctx.file = &bytes(file)[0] // assume NUL-terminated
			ctx.off = pc - fi.entry()
			ctx.res = 1

	// Strips C++ namespace prefix from a C++ function / method name.
	// NOTE: Make sure to keep the template parameters in the name. Normally,
	// template parameters are stripped from the C++ names but when
	// -symbolize=demangle=templates flag is used, they will not be.
	// See tests for examples.
	cppRegExp                = regexp.MustCompile(`^(?:[_a-zA-Z]\w*::)+(_*[A-Z]\w*::~?[_a-zA-Z]\w*(?:<.*>)?)`)

}

// HasFunctions determines if all locations in this profile have
// symbolized function information.
func (p *Profile) HasFunctions() bool {
	for _, l := range p.Location {
		if l.Mapping == nil || !l.Mapping.HasFunctions {
			return false
		}
	}
	return true
}

// HasFileLines determines if all locations in this profile have
// symbolized file and line number information.
func (p *Profile) HasFileLines() bool {