[test][dwarfdump] add method to lookup by symbol name

backend.native/tests/debugger/src/test/kotlin/org/jetbrains/kotlin/native/test/debugger/Driver.kt

@@ -54,7 +54,8 @@ class ToolDriver(
     }
 
     fun runDwarfDump(program: Path, vararg args:String = emptyArray(), processor:List<DwarfTag>.()->Unit) {
-        val out = subprocess(DistProperties.dwarfDump, "${program}.dSYM/Contents/Resources/DWARF/${program.fileName}", *args).takeIf { it.process.exitValue() == 0 }?.stdout ?: error("${program}.dSYM/Contents/Resources/DWARF/${program.fileName}")
+        val dwarfProcess = subprocess(DistProperties.dwarfDump, *args, "${program}.dSYM/Contents/Resources/DWARF/${program.fileName}")
+        val out = dwarfProcess.takeIf { it.process.exitValue() == 0 }?.stdout ?: error(dwarfProcess.stderr)
         DwarfUtilParser().parse(StringReader(out)).tags.toList().processor()
     }
 }

backend.native/tests/debugger/src/test/kotlin/org/jetbrains/kotlin/native/test/debugger/DwarfDumpParser.kt

@@ -314,7 +314,7 @@ class DwarfUtilParser() {
     var currentAttribute: DwarfAttribute.Attribute? = null
     val currentAttributePayload = StringBuilder()
     companion object {
-        val tagRegexp = Regex("^(0x[0-9a-f]{8}):\\ {3}(.*)$")
+        val tagRegexp = Regex("^(0x[0-9a-f]{8}):\\ +([^\\ .]*)$")
         val attributeRegexp = Regex("^\\s+(DW_AT_[a-zA-Z0-9_]*)\\s+\\((.*)\\)$")
     }
 

backend.native/tests/debugger/src/test/kotlin/org/jetbrains/kotlin/native/test/debugger/Matchers.kt

@@ -130,6 +130,7 @@ class ToolDriverHelper(private val driver: ToolDriver, private val root:Path) {
     private fun Path.compile(output: Path, vararg flags:String) = output.also{ driver.compile(this, it, *flags) }
 
     fun Path.dwarfDumpLookup(address: Long, parser:List<DwarfTag>.() -> Unit) = driver.runDwarfDump(this, "-lookup", address.toString(), processor = parser)
+    fun Path.dwarfDumpLookup(name: String, parser:List<DwarfTag>.() -> Unit) = driver.runDwarfDump(this, "-find", name, processor = parser)
 
 
     private fun String.feedOutput(output: String) = root.resolve(output).also {