1 # Copyright 1998, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 2 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program; if not, write to the Free Software
15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 # Please email any bugs, comments, and/or additions to this file to:
18 # bug-gdb@prep.ai.mit.edu
20 # This file was written by Kendra.
27 # Test debugging assembly level programs.
28 # This file uses asmsrc[12].s for input.
38 if [istarget "*arm-*-*"] then {
41 if [istarget "xscale-*-*"] then {
44 if [istarget "d10v-*-*"] then {
47 if [istarget "s390-*-*"] then {
50 if [istarget "x86_64-*-*"] then {
52 set asm-flags "-gdwarf2 -I${srcdir}/${subdir} -I${objdir}/${subdir}"
54 if [istarget "i\[3456\]86-*-*"] then {
56 if [istarget "*-*-cygwin*"] then {
57 set link-flags "--entry _start"
60 if [istarget "m32r*-*"] then {
63 if [istarget "mips*-*"] then {
66 if [istarget "powerpc*-*"] then {
69 if [istarget "sparc-*-*"] then {
72 if [istarget "sparc64-*-*"] then {
74 set asm-flags "-xarch=v9 -gstabs -I${srcdir}/${subdir} -I${objdir}/${subdir}"
76 if [istarget "xstormy16-*-*"] then {
77 set asm-arch xstormy16
78 set asm-flags "-gdwarf2 -I${srcdir}/${subdir} -I${objdir}/${subdir}"
80 if [istarget "v850-*-*"] then {
82 set gdb_wrapper_initialized 1
84 if { "${asm-arch}" == "" } {
85 gdb_suppress_entire_file "Assembly source test -- not implemented for this target."
88 # Watch out, we are invoking the assembler, but the testsuite sets multilib
89 # switches according to compiler syntax. If we pass these options straight
90 # to the assembler, they won't always make sense. If we don't pass them to
91 # the assembler, the final link will complain that the object files were
92 # built with different defaults. So no matter what we do, we lose. We may as
93 # well get out of this test sooner rather than later.
94 set dest [target_info name]
95 if [board_info $dest exists multilib_flags] {
96 set multilib_flags [board_info $dest multilib_flags]
97 if { "${multilib_flags}" != "" } {
98 gdb_suppress_entire_file "Assembly source test -- multilibs not supported by this test."
103 set testfile "asm-source"
104 set binfile ${objdir}/${subdir}/${testfile}
105 set srcfile1 asmsrc1.s
106 set srcfile2 asmsrc2.s
108 remote_exec build "rm -f ${subdir}/arch.inc"
109 remote_download host ${srcdir}/${subdir}/${asm-arch}.inc ${subdir}/arch.inc
111 if { "${asm-flags}" == "" } {
112 #set asm-flags "-Wa,-gstabs,-I${srcdir}/${subdir},-I${objdir}/${subdir}"
113 set asm-flags "-gstabs -I${srcdir}/${subdir} -I${objdir}/${subdir}"
116 if {[target_assemble ${srcdir}/${subdir}/${srcfile1} asmsrc1.o "${asm-flags}"] != ""} then {
117 gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
119 if {[target_assemble ${srcdir}/${subdir}/${srcfile2} asmsrc2.o "${asm-flags}"] != ""} then {
120 gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
123 set opts "debug ldflags=-nostartfiles"
124 foreach i ${link-flags} {
125 append opts " ldflags=$i"
127 if { [gdb_compile "asmsrc1.o asmsrc2.o" "${binfile}" executable $opts] != "" } {
128 gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
131 remote_exec build "mv asmsrc1.o asmsrc2.o ${objdir}/${subdir}"
135 gdb_reinitialize_dir $srcdir/$subdir
139 # Run to `main' where we begin our tests.
142 if ![runto_main] then {
146 # Execute the `f' command and see if the result includes source info.
147 gdb_test "f" "asmsrc1\[.\]s:29.*several_nops" "f at main"
149 # See if we properly `next' over a macro with several insns.
150 gdb_test "n" "33\[ \]*.*foo2" "next over macro"
152 # See if we can properly `step' into a subroutine call.
153 gdb_test "s" "8\[ \]*.*" "step into foo2"
155 # Test 'info target', and incidentally capture the entry point address.
157 send_gdb "info target\n"
159 -re "Symbols from .*asm-source.*Entry point: 0x(\[01232456789abcdefABCDEF\]+).*$gdb_prompt $" {
160 set entry_point $expect_out(1,string)
163 -re ".*$gdb_prompt $" {
167 fail "info target (timeout)"
171 # Capture the start symbol (may be '_start' or 'start')
173 send_gdb "info symbol 0x$entry_point\n"
175 -re "info symbol 0x$entry_point\[\r\n\]+(\[^\r\n\]*) in section .*$gdb_prompt $" {
176 # We match the echoed `info symbol' command here, to help us
177 # reliably identify the beginning of the start symbol in the
178 # command's output. You might think we could just use '^' to
179 # start matching at the beginning of the line, but
180 # unfortunately, in Expect, '^' matches the beginning of the
181 # input that hasn't been matched by any expect clause yet. If
182 # every expect clause consumes a complete line, along with its
183 # terminating CR/LF, this is equivalent to the beginning of a
184 # line. But expect clauses that end with `.*' will consume as
185 # much as happened to arrive from the TTY --- exactly where
186 # they leave you depends on inter-process timing. :(
187 set entry_symbol $expect_out(1,string)
190 -re ".*$gdb_prompt $" {
194 fail "info symbol (timeout)"
198 # Now try a 'list' from the other source file.
199 gdb_test "list $entry_symbol" ".*gdbasm_startup.*" "list"
201 # Now try a source file search
202 gdb_test "search A routine for foo2 to call" \
203 "40\[ \t\]+comment \"A routine for foo2 to call.\"" "search"
205 # See if `f' prints the right source file.
206 gdb_test "f" ".*asmsrc2\[.\]s:8.*" "f in foo2"
208 # `next' one insn (or macro) to set up our stackframe (for the following bt).
209 gdb_test "n" "12\[ \]*.*foo3" "n in foo2"
211 # See if a simple `bt' prints the right source files and
212 # doesn't fall off the stack.
215 "\#0.*foo2.*asmsrc2\[.\]s:12.*\#1.*main.*asmsrc1\[.\]s:33(.*\#2.*start\[^\r\n\]*)?" \
218 # See if a capped `bt' prints the right source files.
219 gdb_test "bt 2" "\#0.*foo2.*asmsrc2\[.\]s:12.*\#1.*main.*asmsrc1\[.\]s:33.*" "bt 2 in foo2"
221 # Step into another subroutine which lives back in the first source file.
222 gdb_test "s" "" "s 2"
224 # Next over insns to set up the stack frame.
225 gdb_test "n" "" "n 2"
227 # Now see if a capped `bt' is correct.
228 gdb_test "bt 3" "\#0.*foo3.*asmsrc1\[.\]s:45.*\#1.*foo2.*asmsrc2\[.\]s:12.*\#2.*main.*asmsrc1\[.\]s:33.*" "bt 3 in foo3"
230 # Try 'info source' from asmsrc1.s
231 gdb_test "info source" \
232 "Current source file is .*asmsrc1.s.*Source language is asm.*" \
233 "info source asmsrc1.s"
235 # Try 'finishing' from foo3
236 gdb_test "finish" "Run till exit from.*\[\r\n\]13\[ \t\]+gdbasm_call foo3" \
239 # Try 'info source' from asmsrc2.s
240 gdb_test "info source" \
241 "Current source file is .*asmsrc2.s.*Source language is asm.*" \
242 "info source asmsrc2.s"
244 # Try 'info sources'. This can produce a lot of output on systems
245 # with dynamic linking, where the system's shared libc was compiled
246 # with debugging info; for example, on Linux, this produces 47kb of
247 # output. So we consume it as we go.
248 send_gdb "info sources\n"
252 -re "^\[^,\]*asmsrc1.s(, |\[\r\n\]+)" {
256 -re "^\[^,\]*asmsrc2.s(, |\[\r\n\]+)" {
263 -re "$gdb_prompt $" {
264 if {$seen_asmsrc_1 && $seen_asmsrc_2} {
271 fail "info sources (timeout)"
277 gdb_test "info line" \
278 "Line 13 of.*asmsrc2.s.*starts at.*<foo2+.*> and ends at.*<foo2+.*>." \
281 # Try 'nexting' over next call to foo3
282 gdb_test "next" "17\[ \t\]+gdbasm_leave" "next over foo3"
284 # Try 'return' from foo2
285 gdb_test "return" "\#0 main .*37\[ \t\]+gdbasm_exit0" "return from foo2" \
286 "Make (foo2|selected stack frame) return now\?.*" "y"
288 # See if we can look at a global variable
289 gdb_test "print globalvar" ".* = 11" "look at global variable"
291 # See if we can look at a static variable
292 gdb_test "print staticvar" ".* = 5" "look at static variable"
294 # See if we can look at a static function
295 gdb_test "disassem foostatic" ".*<foostatic\\+0>:.*End of assembler dump." \
296 "look at static function"
298 remote_exec build "rm -f ${subdir}/arch.inc"