Rework readelf -wi tests to grep for expected strings.

binutils/testsuite/ChangeLog

@@ -1,15 +1,26 @@
+2003-04-26  Nick Clifton  <nickc@redhat.com>
+
+	* binutils-all/readelf.exp (prune_read_warnings): Rename to
+	prune_readelf_wi_warnings.
+        (readelf_wi_test): New proc: Test 'readelf -wi' by grepping
+        through its output.
+        Replace invocation of "readelf_test -wi" with "readelf_wi_test"
+	* binutils-all/readelf.wi: Delete.
+	
 2003-04-23  Nick Clifton  <nickc@redhat.com>
 
-	* readelf.exp (proc prune_readelf_warnings): New function.
+	* binutils-all/readelf.exp (proc prune_readelf_warnings): New
+	function.
 	(proc readelf_test): Prune warning messages.
 	(readelf_test -wi): Add more expected failures.
-	* readelf.wi: Severly reduce expected output.
+	* binutils-all/readelf.wi: Severly reduce expected output.
-	* testprog.c (string): Explicitly use unsigned chars.
+	* binutils-all/testprog.c (string): Explicitly use unsigned
+	chars.
 	(stdio.h, string.h): Remove inclusion.
 
 2003-04-23  J"orn Rennecke <joern.rennecke@superh.com>
 
-	* readelf.wi: Update.
+	* binutils-all/readelf.wi: Update.
 
 2003-04-22  Dimitrie O. Paun  <dpaun@rogers.com>
 

binutils/testsuite/binutils-all/readelf.exp

@@ -164,12 +164,6 @@ proc readelf_find_size { binary_file } {
     pass $testname
 }
 
-# Simple proc to skip certain expected warning messages.
-proc prune_readelf_warnings { text } {
-    regsub -all "(^|\n)(.*Skipping unexpected symbol type.*)" $text "\\1" text
-    return $text
-}
-
 # Run an individual readelf test.
 # Basically readelf is run on the binary_file with the given options.
 # Readelf's output is captured and then compared against the contents
@@ -190,8 +184,6 @@ proc readelf_test { options binary_file regexp_file xfails } {
 	setup_xfail $xfail
     }
 
-    set got [prune_readelf_warnings $got]
-    
     if ![string match "" $got] then {
 	fail "readelf $options (reason: unexpected output)"
 	send_log $got
@@ -225,6 +217,89 @@ proc readelf_test { options binary_file regexp_file xfails } {
     pass "readelf $options"
 }
 
+# Simple proc to skip certain expected warning messages.
+
+proc prune_readelf_wi_warnings { text } {
+    regsub -all "(^|\n)(.*Skipping unexpected symbol type.*)" $text "\\1" text
+    return $text
+}
+
+# Testing the "readelf -wi" option is difficult because there
+# is no guaranteed order to the output, and because some ports
+# will use indirect string references, whilst others will use
+# direct references.  So instead of having an expected output
+# file, like the other readelf tests, we grep for strings that
+# really ought to be there.
+
+proc readelf_wi_test {} {
+    global READELF
+    global READELFFLAGS
+    global srcdir
+    global subdir
+    
+    # Compile the second test file.
+    if { [target_compile $srcdir/$subdir/testprog.c tmpdir/testprog.o object debug] != "" } {
+	verbose "Unable to compile test file."
+	untested "readelf -wi"
+	return
+    }
+
+    # Download it.
+    set tempfile [remote_download host tmpdir/testprog.o];
+
+    # Run "readelf -wi" on it.
+    send_log "exec $READELF $READELFFLAGS -wi $tempfile > readelf.out\n"
+    catch "exec $READELF $READELFFLAGS -wi $tempfile > readelf.out" got
+
+    # Upload the results.
+    set output [remote_upload host readelf.out];
+
+    file_on_host delete $tempfile;
+    
+    # Strip any superflous warnings.
+    set got [prune_readelf_wi_warnings $got]
+
+    if ![string match "" $got] then {
+	fail "readelf $options (reason: unexpected output)"
+	send_log $got
+	send_log "\n"
+	return
+    }
+
+    if ![file size $output] then {
+	# If the output file is empty, then this target does not
+	# generate dwarf2 output.  This is not a failure.
+	verbose "No output from 'readelf -wi'"
+	untested "readelf -wi"
+	return
+    }
+    
+    # Search for strings that should be in the output.
+    set sought {
+	".*DW_TAG_compile_unit.*"
+	".*DW_TAG_subprogram.*"
+	".*DW_TAG_base_type.*"
+	".*DW_AT_producer.*(GNU C|indirect string).*"
+	".*DW_AT_language.*ANSI C.*"
+	".*DW_AT_name.*(testprog.c|indirect string).*"
+	".*DW_AT_name.*fn.*"
+	".*DW_AT_name.*(main|indirect string).*"
+    }
+    
+    foreach looked_for $sought {	
+	set lines [grep $output $looked_for]
+	if ![llength $lines] then {
+	    fail "readelf -wi: missing: $looked_for"
+	    send_log readelf.out
+	    return
+	}
+    }
+
+    file_on_host delete $output;
+    
+    # All done.
+    pass "readelf -wi"
+}
 
 
 # Only ELF based toolchains need readelf.
@@ -281,20 +356,4 @@ readelf_test -S $tempfile readelf.s  {}
 readelf_test -s $tempfile readelf.ss {}
 readelf_test -r $tempfile readelf.r  {}
 
-
+readelf_wi_test
-# Compile the second test file.
-if { [target_compile $srcdir/$subdir/testprog.c tmpdir/testprog.o object debug] != "" } {
-    untested "readelf -w"
-    return
-}
-
-if [is_remote host] {
-    set tempfile [remote_download host tmpdir/testprog.o];
-} else {
-    set tempfile tmpdir/testprog.o
-}
-
-# The xfail targets here do not default to DWARF2 format debug information
-# The symptom is that the output of 'readelf -wi' is empty.
-
-readelf_test -wi $tempfile readelf.wi {v850*-*-* cris-*-* mips*-*-elf* avr-*-* d30v-*-* h8300*-*-* i960-*-* m32r-*-* sparc-*-*}

binutils/testsuite/binutils-all/readelf.wi

@@ -1,29 +0,0 @@
-The section .debug_info contains:
-
-  Compilation Unit @ .*:
-   Length:        .*
-   Version:       2
-   Abbrev Offset: 0
-   Pointer Size:  .
- <.><.*>: Abbrev Number: .* \(DW_TAG_compile_unit\)
-     DW_AT_stmt_list   : 0	
-     DW_AT_high_pc     : .*	
-     DW_AT_low_pc      : 0.*	
-     DW_AT_producer    :.*
-     DW_AT_language    : 1	\(ANSI C\)
-     DW_AT_name        : .*
- <.><.*>: Abbrev Number: .* \(DW_TAG_subprogram\)
-     DW_AT_external    : 1	
-     DW_AT_name        : fn	
-     DW_AT_decl_file   : 1	
-     DW_AT_decl_line   : 12	
-     DW_AT_type        : .*	
-     DW_AT_low_pc      : 0.*	
-     DW_AT_high_pc     : .*	
-     DW_AT_frame_base  : .*
- <.><.*>: Abbrev Number: .* \(DW_TAG_base_type\)
-     DW_AT_name        : int	
-     DW_AT_byte_size   : .*
-     DW_AT_encoding    : .*	\(signed\)
- <.><.*>: Abbrev Number: .* \(DW_TAG_subprogram\)
-#pass