[deliverable/binutils-gdb.git] / ld / testsuite / ld-sh / sh64 / sh64.exp

# Expect script for ld-sh tests
#   Copyright (C) 2000, 2001, 2002 Free Software Foundation
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#

# Test SH linking; all types of relocs.  This tests the assembler and
# tools like objdump as well as the linker.

if ![istarget sh64-*-*] {
    return
}

# FIXME: This isn't set by testsuite/config/default.exp; make it.
if ![info exists readelf] then {
    set readelf [findfile $base_dir/../binutils/readelf]
}

# List contains test-items with 3 items followed by 2 lists:
# 0:name 1:ld options 2:assembler options
# 3:filenames of assembler files 4: action and options.

# Actions:
# objdump: Apply objdump options on result.  Compare with regex (last arg).
# nm: Apply nm options on result.  Compare with regex (last arg).

# Note that the contents dump is the same for "inter-file datalabel
# references, 64-bit ABI" as for 32-bit ABI and ELF so we re-use it.

set sh64tests {
    {"SH64 linking, 64-bit ABI" "-mshelf64"
     "--abi=64" {sh64-1.s sh64-2.s}
     {{objdump -sr abi64.sd} {objdump -x abi64.xd}}}
    {"SH64 linking, 64-bit ABI, -no-expand" "-mshelf64"
     "--abi=64 -no-expand" {sh64-1.s sh64-2.s}
     {{objdump -sr abixx-noexp.sd}}}
    {"SH64 linking, 32-bit ABI" "-mshelf32"
     "--abi=32" {sh64-1.s sh64-2.s}
     {{objdump -sr abi32.sd} {objdump -x abi32.xd}}}
    {"SH64 linking, 32-bit ABI, -no-expand" "-mshelf32"
     "--abi=32 -no-expand" {sh64-1.s sh64-2.s}
     {{objdump -sr abixx-noexp.sd}}}
    {"SH64 linking, single multi-ISA object" "-mshelf32"
     "--abi=32" {shmix-1.s}
     {{objdump -sr mix1.sd} {objdump -x mix1.xd}}}
    {"SH64 linking, single multi-ISA object, -no-expand" "-mshelf32"
     "--abi=32 -no-expand" {shmix-1.s}
     {{objdump -sr mix1-noexp.sd}}}
    {"SH64 linking, two different-ISA objects" "-mshelf32"
     "--abi=32" {shmix-2.s shmix-3.s}
     {{objdump -sr mix2.sd} {objdump -x mix2.xd}}}
    {"SH64 linking, two different-ISA objects, -no-expand" "-mshelf32"
     "--abi=32 -no-expand" {shmix-2.s shmix-3.s}
     {{objdump -sr mix2-noexp.sd}}}
    {"SH64 linking, single SHcompact" "-mshelf32"
     "--isa=SHcompact" {shcmp-1.s}
     {{objdump -sr cmpct1.sd} {objdump -x cmpct1.xd}}}
    {"SH64 inter-file datalabel references, 64-bit ABI" "-mshelf64"
     "--abi=64" {shdl-1.s shdl-2.s}
     {{objdump -sr shdl64.sd} {objdump -x shdl64.xd}}}
    {"SH64 inter-file datalabel references, 32-bit ABI" "-mshelf32"
     "--abi=32" {shdl-1.s shdl-2.s}
     {{objdump -sr shdl64.sd} {objdump -x shdl32.xd}}}
    {"SH64 simple partial linking, 32-bit ABI" "-mshelf32 -r"
     "--abi=32" {rel-1.s rel-2.s}
     {{objdump -sx rel32.xd}}}
    {"SH64 simple partial linking, 64-bit ABI" "-mshelf64 -r"
     "--abi=64" {rel-1.s rel-2.s}
     {{objdump -sx rel64.xd}}}
    {"SH64 partial linking with datalabel references, 32-bit ABI" "-mshelf32 -r"
     "--abi=32" {reldl-1.s reldl-2.s}
     {{readelf {-s -r -x 1 -x 3} reldl32.rd}}}
    {"SH64 partial linking with datalabel references, 64-bit ABI" "-mshelf64 -r"
     "--abi=64" {reldl-1.s reldl-2.s}
     {{readelf {-s -r -x 1 -x 3} reldl64.rd}}}
    {"Handling SH64 assembler-generated .cranges" "-mshelf32"
     "--abi=32" {crange-2a.s crange-1.s}
     {{readelf {-S -s -r -x 1 -x 2 -x 9} crange1.rd}}}
    {"Handling SH64 assembler-generated .cranges, partial linking" "-mshelf32 -r"
     "--abi=32" {crange-2a.s}
     {{readelf {-S -s -r -x 2 -x 5} crangerel1.rd}}}
    {"Mixing SH64 assembler-generated with linker-generated .cranges" "-mshelf32"
     "--abi=32" {crange-2a.s crange-2b.s crange-1.s}
     {{readelf {-S -s -r -x 2 -x 9} crange2.rd}}}
    {"Mixing SH64 assembler-generated with linker-generated .cranges, partial linking"
     "-mshelf32 -r"
     "--abi=32" {crange-2a.s crange-2c.s crange-2d.s crange-2e.s}
     {{readelf {-S -s -r -x 2 -x 5} crangerel2.rd}}}
    {"Merge and use of SH64 .cranges, some not originally in order" "-mshelf32"
     "--abi=32"
     {crange-2e.s crange-2f.s crange-2g.s crange-2a.s crange-2d.s crange-2i.s
      crange-2h.s crange-1.s}
      {{readelf {-S -s -x 2 -x 9} crange3.rd} {objdump -d crange3.dd}}}
    {"Sorted SH64 .cranges, entry at SHcompact code" "-mshelf32 --entry diversion"
     "--abi=32"
     {crange-2e.s crange-2f.s crange-2g.s crange-2a.s crange-2d.s crange-2i.s
      crange-2h.s crange-1.s}
      {{readelf {-h -S -s -x 2 -x 9} crange3-cmpct.rd}}}
    {"Sorted SH64 .cranges, entry at SHmedia code" "-mshelf32 --entry diversion2"
     "--abi=32"
     {crange-2e.s crange-2f.s crange-2g.s crange-2a.s crange-2d.s crange-2i.s
      crange-2h.s crange-1.s}
      {{readelf {-h -S -s -x 2 -x 9} crange3-media.rd}}}
    {"SH64 Big Endianness" "-mshelf64 -Tendian.ld"
     "--abi=64" {endian.s}
     {{objdump -s endian.sbd} {objdump -d endian.dbd}}}
    {"SH64 Little Endianness" "-mshlelf64 -Tendian.ld"
     "--abi=64 --little" {endian.s}
     {{objdump -s endian.sld} {objdump -d endian.dld}}}
    
}

# FIXME: Generalize and move this to ld-lib.exp

proc run_ld_link_tests { ldtests } {
    global ld
    global as
    global nm
    global objdump
    global readelf
    global srcdir
    global subdir

    set binfile "tmpdir/linked"

    foreach testitem $ldtests {
	set testname [lindex $testitem 0]
	set ld_options [lindex $testitem 1]
	set as_options [lindex $testitem 2]
	set as_files  [lindex $testitem 3]
	set actions [lindex $testitem 4]
	set objfiles {}
	set is_unresolved 0
	set failed 0

#	verbose -log "Testname is $testname"
#	verbose -log "ld_options is $ld_options"
#	verbose -log "as_options is $as_options"
#	verbose -log "as_files is $as_files"
#	verbose -log "actions is $actions"

	# Assemble each file in the test.
	foreach as_file $as_files {
	    set objfile "tmpdir/[file rootname $as_file].o"
	    lappend objfiles $objfile

	    if ![ld_assemble $as "$as_options $srcdir/$subdir/$as_file" $objfile] {
		set is_unresolved 1
		break
	    }
	}

	# Catch assembler errors.
	if { $is_unresolved != 0 } {
	    unresolved $testname
	    continue
	}

	if ![ld_simple_link $ld $binfile "-L$srcdir/$subdir $ld_options $objfiles"] {
	    fail $testname
	} else {
	    set failed 0
	    foreach actionlist $actions {
		set action [lindex $actionlist 0]
		set progopts [lindex $actionlist 1]

		# There are actions where we run regexp_diff on the
		# output, and there are other actions (presumably).
		# Handling of the former look the same.
		set dump_prog ""
		switch -- $action {
		    objdump
		        { set dump_prog $objdump }
		    nm
		        { set dump_prog $nm }
		    readelf
		        { set dump_prog $readelf }
		    default
			{
			    perror "Unrecognized action $action"
			    set is_unresolved 1
			    break
			}
		    }

		if { $dump_prog != "" } {
		    set dumpfile [lindex $actionlist 2]
		    set binary $dump_prog

		    send_log "$binary $progopts $binfile > dump.out\n"
		    catch "exec $binary $progopts $binfile > dump.out" comp_output
		    set comp_output [prune_warnings $comp_output]

		    if ![string match "" $comp_output] then {
			send_log "$comp_output\n"
			set failed 1
			break
		    }

		    if { [regexp_diff "dump.out" "$srcdir/$subdir/$dumpfile"] } then {
			verbose "output is [file_contents "dump.out"]" 2
			set failed 1
			break
		    }
		}
	    }

	    if { $failed != 0 } {
		fail $testname
	    } else { if { $is_unresolved == 0 } {
		pass $testname
	    } }
	}

	# Catch action errors.
	if { $is_unresolved != 0 } {
	    unresolved $testname
	    continue
	}
    }
}

# FIXME: Move this to ld-lib.exp or higher up.

# regexp_diff, based on simple_diff taken from ld test suite
#	compares two files line-by-line
#	file1 contains strings, file2 contains regexps and #-comments
#	blank lines are ignored in either file
#	returns non-zero if differences exist
#
proc regexp_diff { file_1 file_2 } {

    set eof -1
    set end_1 0
    set end_2 0
    set differences 0
    set diff_pass 0

    if [file exists $file_1] then {
	set file_a [open $file_1 r]
    } else {
	warning "$file_1 doesn't exist"
	return 1
    }

    if [file exists $file_2] then {
	set file_b [open $file_2 r]
    } else {
	fail "$file_2 doesn't exist"
	close $file_a
	return 1
    }

    verbose " Regexp-diff'ing: $file_1 $file_2" 2

    while { 1 } {
	set line_a ""
	set line_b ""
	while { [string length $line_a] == 0 } {
	    if { [gets $file_a line_a] == $eof } {
		set end_1 1
		break
	    }
	}
	while { [string length $line_b] == 0 || [string match "#*" $line_b] } {
	    if [ string match "#pass" $line_b ] {
		set end_2 1
		set diff_pass 1
		break
	    } elseif [ string match "#..." $line_b ] {
		if { [gets $file_b line_b] == $eof } {
		    set end_2 1
		    break
		}
		verbose "looking for \"^$line_b$\"" 3
		while { ![regexp "^$line_b$" "$line_a"] } {
		    verbose "skipping    \"$line_a\"" 3
		    if { [gets $file_a line_a] == $eof } {
			set end_1 1
			break
		    }
		}
		break
	    }
	    if { [gets $file_b line_b] == $eof } {
		set end_2 1
		break
	    }
	}

        if { $diff_pass } { 
            break 
        } elseif { $end_1 && $end_2 } { 
            break
        } elseif { $end_1 } {
            send_log "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1\n"
            verbose "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1" 3
            set differences 1
            break
        } elseif { $end_2 } {
            send_log "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n"
            verbose "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n" 3
            set differences 1
            break
        } else {
            verbose "regexp \"^$line_b$\"\nline   \"$line_a\"" 3
            if ![regexp "^$line_b$" "$line_a"] {
		send_log "regexp_diff match failure\n"
		send_log "regexp \"^$line_b$\"\nline   \"$line_a\"\n"
		set differences 1
            }
        }
    }

    if { $differences == 0 && !$diff_pass && [eof $file_a] != [eof $file_b] } {
	send_log "$file_1 and $file_2 are different lengths\n"
	verbose "$file_1 and $file_2 are different lengths" 3
	set differences 1
    }

    close $file_a
    close $file_b

    return $differences
}

proc file_contents { filename } {
    set file [open $filename r]
    set contents [read $file]
    close $file
    return $contents
}

run_ld_link_tests $sh64tests
Commit	Line	Data
1b19eb81 AO	1	# Expect script for ld-sh tests
	2	# Copyright (C) 2000, 2001, 2002 Free Software Foundation
	3	#
	4	# This file is free software; you can redistribute it and/or modify
	5	# it under the terms of the GNU General Public License as published by
	6	# the Free Software Foundation; either version 2 of the License, or
	7	# (at your option) any later version.
	8	#
	9	# This program is distributed in the hope that it will be useful,
	10	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	# GNU General Public License for more details.
	13	#
	14	# You should have received a copy of the GNU General Public License
	15	# along with this program; if not, write to the Free Software
	16	# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	17	#
	18
	19	# Test SH linking; all types of relocs. This tests the assembler and
	20	# tools like objdump as well as the linker.
	21
	22	if ![istarget sh64--] {
	23	return
	24	}
	25
	26	# FIXME: This isn't set by testsuite/config/default.exp; make it.
	27	if ![info exists readelf] then {
	28	set readelf [findfile $base_dir/../binutils/readelf]
	29	}
	30
	31	# List contains test-items with 3 items followed by 2 lists:
	32	# 0:name 1:ld options 2:assembler options
	33	# 3:filenames of assembler files 4: action and options.
	34
	35	# Actions:
	36	# objdump: Apply objdump options on result. Compare with regex (last arg).
	37	# nm: Apply nm options on result. Compare with regex (last arg).
	38
	39	# Note that the contents dump is the same for "inter-file datalabel
	40	# references, 64-bit ABI" as for 32-bit ABI and ELF so we re-use it.
	41
	42	set sh64tests {
	43	{"SH64 linking, 64-bit ABI" "-mshelf64"
	44	"--abi=64" {sh64-1.s sh64-2.s}
	45	{{objdump -sr abi64.sd} {objdump -x abi64.xd}}}
	46	{"SH64 linking, 64-bit ABI, -no-expand" "-mshelf64"
	47	"--abi=64 -no-expand" {sh64-1.s sh64-2.s}
	48	{{objdump -sr abixx-noexp.sd}}}
	49	{"SH64 linking, 32-bit ABI" "-mshelf32"
	50	"--abi=32" {sh64-1.s sh64-2.s}
	51	{{objdump -sr abi32.sd} {objdump -x abi32.xd}}}
	52	{"SH64 linking, 32-bit ABI, -no-expand" "-mshelf32"
	53	"--abi=32 -no-expand" {sh64-1.s sh64-2.s}
	54	{{objdump -sr abixx-noexp.sd}}}
	55	{"SH64 linking, single multi-ISA object" "-mshelf32"
	56	"--abi=32" {shmix-1.s}
	57	{{objdump -sr mix1.sd} {objdump -x mix1.xd}}}
	58	{"SH64 linking, single multi-ISA object, -no-expand" "-mshelf32"
	59	"--abi=32 -no-expand" {shmix-1.s}
	60	{{objdump -sr mix1-noexp.sd}}}
	61	{"SH64 linking, two different-ISA objects" "-mshelf32"
	62	"--abi=32" {shmix-2.s shmix-3.s}
	63	{{objdump -sr mix2.sd} {objdump -x mix2.xd}}}
	64	{"SH64 linking, two different-ISA objects, -no-expand" "-mshelf32"
65	"--abi=32 -no-expand" {shmix-2.s shmix-3.s}
66	{{objdump -sr mix2-noexp.sd}}}
67	{"SH64 linking, single SHcompact" "-mshelf32"
68	"--isa=SHcompact" {shcmp-1.s}
69	{{objdump -sr cmpct1.sd} {objdump -x cmpct1.xd}}}
70	{"SH64 inter-file datalabel references, 64-bit ABI" "-mshelf64"
71	"--abi=64" {shdl-1.s shdl-2.s}
72	{{objdump -sr shdl64.sd} {objdump -x shdl64.xd}}}
73	{"SH64 inter-file datalabel references, 32-bit ABI" "-mshelf32"
74	"--abi=32" {shdl-1.s shdl-2.s}
75	{{objdump -sr shdl64.sd} {objdump -x shdl32.xd}}}
76	{"SH64 simple partial linking, 32-bit ABI" "-mshelf32 -r"
77	"--abi=32" {rel-1.s rel-2.s}
78	{{objdump -sx rel32.xd}}}
79	{"SH64 simple partial linking, 64-bit ABI" "-mshelf64 -r"
80	"--abi=64" {rel-1.s rel-2.s}
81	{{objdump -sx rel64.xd}}}
82	{"SH64 partial linking with datalabel references, 32-bit ABI" "-mshelf32 -r"
83	"--abi=32" {reldl-1.s reldl-2.s}
84	{{readelf {-s -r -x 1 -x 3} reldl32.rd}}}
85	{"SH64 partial linking with datalabel references, 64-bit ABI" "-mshelf64 -r"
86	"--abi=64" {reldl-1.s reldl-2.s}
87	{{readelf {-s -r -x 1 -x 3} reldl64.rd}}}
88	{"Handling SH64 assembler-generated .cranges" "-mshelf32"
89	"--abi=32" {crange-2a.s crange-1.s}
90	{{readelf {-S -s -r -x 1 -x 2 -x 9} crange1.rd}}}
91	{"Handling SH64 assembler-generated .cranges, partial linking" "-mshelf32 -r"
92	"--abi=32" {crange-2a.s}
93	{{readelf {-S -s -r -x 2 -x 5} crangerel1.rd}}}
94	{"Mixing SH64 assembler-generated with linker-generated .cranges" "-mshelf32"
95	"--abi=32" {crange-2a.s crange-2b.s crange-1.s}
96	{{readelf {-S -s -r -x 2 -x 9} crange2.rd}}}
97	{"Mixing SH64 assembler-generated with linker-generated .cranges, partial linking"
98	"-mshelf32 -r"
99	"--abi=32" {crange-2a.s crange-2c.s crange-2d.s crange-2e.s}
100	{{readelf {-S -s -r -x 2 -x 5} crangerel2.rd}}}
101	{"Merge and use of SH64 .cranges, some not originally in order" "-mshelf32"
102	"--abi=32"
103	{crange-2e.s crange-2f.s crange-2g.s crange-2a.s crange-2d.s crange-2i.s
104	crange-2h.s crange-1.s}
105	{{readelf {-S -s -x 2 -x 9} crange3.rd} {objdump -d crange3.dd}}}
106	{"Sorted SH64 .cranges, entry at SHcompact code" "-mshelf32 --entry diversion"
107	"--abi=32"
108	{crange-2e.s crange-2f.s crange-2g.s crange-2a.s crange-2d.s crange-2i.s
109	crange-2h.s crange-1.s}
110	{{readelf {-h -S -s -x 2 -x 9} crange3-cmpct.rd}}}
111	{"Sorted SH64 .cranges, entry at SHmedia code" "-mshelf32 --entry diversion2"
112	"--abi=32"
113	{crange-2e.s crange-2f.s crange-2g.s crange-2a.s crange-2d.s crange-2i.s
114	crange-2h.s crange-1.s}
115	{{readelf {-h -S -s -x 2 -x 9} crange3-media.rd}}}
116	{"SH64 Big Endianness" "-mshelf64 -Tendian.ld"
117	"--abi=64" {endian.s}
118	{{objdump -s endian.sbd} {objdump -d endian.dbd}}}
119	{"SH64 Little Endianness" "-mshlelf64 -Tendian.ld"
120	"--abi=64 --little" {endian.s}
121	{{objdump -s endian.sld} {objdump -d endian.dld}}}
122
123	}
124
125	# FIXME: Generalize and move this to ld-lib.exp
126
127	proc run_ld_link_tests { ldtests } {
128	global ld
129	global as
130	global nm
131	global objdump
132	global readelf
133	global srcdir
134	global subdir
135
136	set binfile "tmpdir/linked"
137
138	foreach testitem $ldtests {
139	set testname [lindex $testitem 0]
140	set ld_options [lindex $testitem 1]
141	set as_options [lindex $testitem 2]
142	set as_files [lindex $testitem 3]
143	set actions [lindex $testitem 4]
144	set objfiles {}
145	set is_unresolved 0
146	set failed 0
147
148	# verbose -log "Testname is $testname"
149	# verbose -log "ld_options is $ld_options"
150	# verbose -log "as_options is $as_options"
151	# verbose -log "as_files is $as_files"
152	# verbose -log "actions is $actions"
153
154	# Assemble each file in the test.
155	foreach as_file $as_files {
156	set objfile "tmpdir/[file rootname $as_file].o"
157	lappend objfiles $objfile
158
159	if ![ld_assemble $as "$as_options $srcdir/$subdir/$as_file" $objfile] {
160	set is_unresolved 1
161	break
162	}
163	}
164
165	# Catch assembler errors.
166	if { $is_unresolved != 0 } {
167	unresolved $testname
168	continue
169	}
170
171	if ![ld_simple_link $ld $binfile "-L$srcdir/$subdir $ld_options $objfiles"] {
172	fail $testname
173	} else {
174	set failed 0
175	foreach actionlist $actions {
176	set action [lindex $actionlist 0]
177	set progopts [lindex $actionlist 1]
178
179	# There are actions where we run regexp_diff on the
180	# output, and there are other actions (presumably).
181	# Handling of the former look the same.
182	set dump_prog ""
183	switch -- $action {
184	objdump
185	{ set dump_prog $objdump }
186	nm
187	{ set dump_prog $nm }
188	readelf
189	{ set dump_prog $readelf }
190	default
191	{
192	perror "Unrecognized action $action"
193	set is_unresolved 1
194	break
195	}
196	}
197
198	if { $dump_prog != "" } {
199	set dumpfile [lindex $actionlist 2]
200	set binary $dump_prog
201
202	send_log "$binary $progopts $binfile > dump.out\n"
203	catch "exec $binary $progopts $binfile > dump.out" comp_output
204	set comp_output [prune_warnings $comp_output]
205
206	if ![string match "" $comp_output] then {
207	send_log "$comp_output\n"
208	set failed 1
209	break
210	}
211
212	if { [regexp_diff "dump.out" "$srcdir/$subdir/$dumpfile"] } then {
213	verbose "output is [file_contents "dump.out"]" 2
214	set failed 1
215	break
216	}
217	}
218	}
219
220	if { $failed != 0 } {
221	fail $testname
222	} else { if { $is_unresolved == 0 } {
223	pass $testname
224	} }
225	}
226
227	# Catch action errors.
228	if { $is_unresolved != 0 } {
229	unresolved $testname
230	continue
231	}
232	}
233	}
234
235	# FIXME: Move this to ld-lib.exp or higher up.
236
237	# regexp_diff, based on simple_diff taken from ld test suite
238	# compares two files line-by-line
239	# file1 contains strings, file2 contains regexps and #-comments
240	# blank lines are ignored in either file
241	# returns non-zero if differences exist
242	#
243	proc regexp_diff { file_1 file_2 } {
244
245	set eof -1
246	set end_1 0
247	set end_2 0
248	set differences 0
249	set diff_pass 0
250
251	if [file exists $file_1] then {
252	set file_a [open $file_1 r]
253	} else {
254	warning "$file_1 doesn't exist"
255	return 1
256	}
257
258	if [file exists $file_2] then {
259	set file_b [open $file_2 r]
260	} else {
261	fail "$file_2 doesn't exist"
262	close $file_a
263	return 1
264	}
265
266	verbose " Regexp-diff'ing: $file_1 $file_2" 2
267
268	while { 1 } {
269	set line_a ""
270	set line_b ""
271	while { [string length $line_a] == 0 } {
272	if { [gets $file_a line_a] == $eof } {
273	set end_1 1
274	break
275	}
276	}
277	while { [string length $line_b] == 0 \|\| [string match "#*" $line_b] } {
278	if [ string match "#pass" $line_b ] {
279	set end_2 1
280	set diff_pass 1
281	break
282	} elseif [ string match "#..." $line_b ] {
283	if { [gets $file_b line_b] == $eof } {
284	set end_2 1
285	break
286	}
287	verbose "looking for \"^$line_b$\"" 3
288	while { ![regexp "^$line_b$" "$line_a"] } {
289	verbose "skipping \"$line_a\"" 3
290	if { [gets $file_a line_a] == $eof } {
291	set end_1 1
292	break
293	}
294	}
295	break
296	}
297	if { [gets $file_b line_b] == $eof } {
298	set end_2 1
299	break
300	}
301	}
302
303	if { $diff_pass } {
304	break
305	} elseif { $end_1 && $end_2 } {
306	break
307	} elseif { $end_1 } {
308	send_log "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1\n"
309	verbose "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1" 3
310	set differences 1
311	break
312	} elseif { $end_2 } {
313	send_log "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n"
314	verbose "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n" 3
315	set differences 1
316	break
317	} else {
318	verbose "regexp \"^$line_b$\"\nline \"$line_a\"" 3
319	if ![regexp "^$line_b$" "$line_a"] {
320	send_log "regexp_diff match failure\n"
321	send_log "regexp \"^$line_b$\"\nline \"$line_a\"\n"
322	set differences 1
323	}
324	}
325	}
326
327	if { $differences == 0 && !$diff_pass && [eof $file_a] != [eof $file_b] } {
328	send_log "$file_1 and $file_2 are different lengths\n"
329	verbose "$file_1 and $file_2 are different lengths" 3
330	set differences 1
331	}
332
333	close $file_a
334	close $file_b
335
336	return $differences
337	}
338
339	proc file_contents { filename } {
340	set file [open $filename r]
341	set contents [read $file]
342	close $file
343	return $contents
344	}
345
346	run_ld_link_tests $sh64tests