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f2dd3617 | 1 | # Copyright 1998, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. |
c906108c SS |
2 | # |
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. | |
7 | # | |
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. | |
12 | # | |
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. | |
16 | # | |
17 | # Please email any bugs, comments, and/or additions to this file to: | |
18 | # bug-gdb@prep.ai.mit.edu | |
19 | # | |
20 | # This file was written by Kendra. | |
21 | ||
22 | if $tracelevel then { | |
23 | strace $tracelevel | |
24 | } | |
25 | ||
26 | # | |
27 | # Test debugging assembly level programs. | |
28 | # This file uses asmsrc[12].s for input. | |
29 | # | |
30 | ||
31 | set prms_id 0 | |
32 | set bug_id 0 | |
33 | ||
78492fde AC |
34 | set asm-arch "" |
35 | set asm-flags "" | |
25050984 | 36 | set link-flags "" |
78492fde | 37 | |
be375bae | 38 | switch -glob -- [istarget] { |
acf4b816 RH |
39 | "alpha*-*-*" { |
40 | set asm-arch alpha | |
41 | # ??? Won't work with ecoff systems like Tru64, but then we also | |
42 | # don't have any other -g flag that creates mdebug output. | |
9e9617a5 | 43 | set asm-flags "-gdwarf2 -no-mdebug -I${srcdir}/${subdir} -I${objdir}/${subdir}" |
acf4b816 | 44 | } |
be375bae JB |
45 | "*arm-*-*" { |
46 | set asm-arch arm | |
47 | } | |
48 | "xscale-*-*" { | |
49 | set asm-arch arm | |
50 | } | |
51 | "d10v-*-*" { | |
52 | set asm-arch d10v | |
53 | } | |
54 | "s390-*-*" { | |
55 | set asm-arch s390 | |
56 | } | |
09bf6082 JB |
57 | "s390x-*-*" { |
58 | set asm-arch s390x | |
59 | } | |
be375bae JB |
60 | "x86_64-*-*" { |
61 | set asm-arch x86_64 | |
62 | set asm-flags "-gdwarf2 -I${srcdir}/${subdir} -I${objdir}/${subdir}" | |
63 | } | |
64 | "i\[3456\]86-*-*" { | |
65 | set asm-arch i386 | |
66 | if [istarget "*-*-cygwin*"] then { | |
67 | set link-flags "--entry _start" | |
68 | } | |
69 | } | |
70 | "m32r*-*" { | |
71 | set asm-arch m32r | |
72 | } | |
73 | "m6811-*-*" { | |
74 | set asm-arch m68hc11 | |
75 | set asm-flags "-mshort-double -m68hc11 -gdwarf2 --no-warn -I${srcdir}/${subdir} -I${objdir}/${subdir}" | |
76 | } | |
77 | "m6812-*-*" { | |
78 | set asm-arch m68hc11 | |
79 | set asm-flags "-mshort-double -m68hc12 -gdwarf2 --no-warn -I${srcdir}/${subdir} -I${objdir}/${subdir}" | |
80 | } | |
81 | "mips*-*" { | |
82 | set asm-arch mips | |
83 | } | |
84 | "powerpc*-*" { | |
85 | set asm-arch powerpc | |
86 | } | |
87 | "sparc-*-*" { | |
88 | set asm-arch sparc | |
89 | } | |
90 | "sparc64-*-*" { | |
91 | set asm-arch sparc64 | |
92 | set asm-flags "-xarch=v9 -gstabs -I${srcdir}/${subdir} -I${objdir}/${subdir}" | |
93 | } | |
94 | "xstormy16-*-*" { | |
95 | set asm-arch xstormy16 | |
96 | set asm-flags "-gdwarf2 -I${srcdir}/${subdir} -I${objdir}/${subdir}" | |
97 | } | |
98 | "v850-*-*" { | |
99 | set asm-arch v850 | |
100 | set gdb_wrapper_initialized 1 | |
a955b5bb | 101 | } |
017ac23d | 102 | } |
be375bae | 103 | |
78492fde | 104 | if { "${asm-arch}" == "" } { |
9383332c | 105 | gdb_suppress_entire_file "Assembly source test -- not implemented for this target." |
c906108c SS |
106 | } |
107 | ||
10059fdf MK |
108 | # On FreeBSD, crt1.o the final link will fail because of unresolved |
109 | # symbols. It turns out that libc.so references symbols that are | |
110 | # normally provided by crt1.o, which isn't linked in since we specify | |
111 | # -nostartfiles. Using -nostdlib doesn't help since target_compile | |
112 | # automatically adds -lm. Linking statically avoids this mess. | |
113 | if [istarget "*-*-freebsd*"] then { | |
114 | set link-flags "-static" | |
115 | } | |
116 | ||
0fcddd82 EZ |
117 | # Watch out, we are invoking the assembler, but the testsuite sets multilib |
118 | # switches according to compiler syntax. If we pass these options straight | |
119 | # to the assembler, they won't always make sense. If we don't pass them to | |
120 | # the assembler, the final link will complain that the object files were | |
121 | # built with different defaults. So no matter what we do, we lose. We may as | |
122 | # well get out of this test sooner rather than later. | |
123 | set dest [target_info name] | |
124 | if [board_info $dest exists multilib_flags] { | |
125 | set multilib_flags [board_info $dest multilib_flags] | |
126 | if { "${multilib_flags}" != "" } { | |
127 | gdb_suppress_entire_file "Assembly source test -- multilibs not supported by this test." | |
128 | return; | |
129 | } | |
130 | } | |
131 | ||
c906108c SS |
132 | set testfile "asm-source" |
133 | set binfile ${objdir}/${subdir}/${testfile} | |
f2dd3617 EZ |
134 | set srcfile1 asmsrc1.s |
135 | set srcfile2 asmsrc2.s | |
c906108c | 136 | |
a73a20a2 EZ |
137 | remote_exec build "rm -f ${subdir}/arch.inc" |
138 | remote_download host ${srcdir}/${subdir}/${asm-arch}.inc ${subdir}/arch.inc | |
16a8534a | 139 | |
78492fde AC |
140 | if { "${asm-flags}" == "" } { |
141 | #set asm-flags "-Wa,-gstabs,-I${srcdir}/${subdir},-I${objdir}/${subdir}" | |
142 | set asm-flags "-gstabs -I${srcdir}/${subdir} -I${objdir}/${subdir}" | |
143 | } | |
c906108c | 144 | |
f2dd3617 | 145 | if {[target_assemble ${srcdir}/${subdir}/${srcfile1} asmsrc1.o "${asm-flags}"] != ""} then { |
c906108c SS |
146 | gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
147 | } | |
f2dd3617 | 148 | if {[target_assemble ${srcdir}/${subdir}/${srcfile2} asmsrc2.o "${asm-flags}"] != ""} then { |
c906108c SS |
149 | gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
150 | } | |
151 | ||
cf599fa7 CV |
152 | set opts "debug ldflags=-nostartfiles" |
153 | foreach i ${link-flags} { | |
154 | append opts " ldflags=$i" | |
155 | } | |
156 | if { [gdb_compile "asmsrc1.o asmsrc2.o" "${binfile}" executable $opts] != "" } { | |
c906108c SS |
157 | gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
158 | } | |
159 | ||
160 | remote_exec build "mv asmsrc1.o asmsrc2.o ${objdir}/${subdir}" | |
161 | ||
162 | ||
163 | gdb_start | |
164 | gdb_reinitialize_dir $srcdir/$subdir | |
165 | gdb_load ${binfile} | |
166 | ||
167 | # | |
168 | # Run to `main' where we begin our tests. | |
169 | # | |
170 | ||
171 | if ![runto_main] then { | |
172 | gdb_suppress_tests | |
173 | } | |
174 | ||
175 | # Execute the `f' command and see if the result includes source info. | |
78492fde | 176 | gdb_test "f" "asmsrc1\[.\]s:29.*several_nops" "f at main" |
c906108c SS |
177 | |
178 | # See if we properly `next' over a macro with several insns. | |
78492fde | 179 | gdb_test "n" "33\[ \]*.*foo2" "next over macro" |
c906108c SS |
180 | |
181 | # See if we can properly `step' into a subroutine call. | |
182 | gdb_test "s" "8\[ \]*.*" "step into foo2" | |
183 | ||
edb6ede1 MS |
184 | # Test 'info target', and incidentally capture the entry point address. |
185 | set entry_point 0 | |
186 | send_gdb "info target\n" | |
187 | gdb_expect { | |
188 | -re "Symbols from .*asm-source.*Entry point: 0x(\[01232456789abcdefABCDEF\]+).*$gdb_prompt $" { | |
189 | set entry_point $expect_out(1,string) | |
190 | pass "info target" | |
191 | } | |
192 | -re ".*$gdb_prompt $" { | |
193 | fail "info target" | |
194 | } | |
195 | timeout { | |
196 | fail "info target (timeout)" | |
197 | } | |
198 | } | |
199 | ||
200 | # Capture the start symbol (may be '_start' or 'start') | |
201 | set entry_symbol "" | |
202 | send_gdb "info symbol 0x$entry_point\n" | |
203 | gdb_expect { | |
ecace851 JB |
204 | -re "info symbol 0x$entry_point\[\r\n\]+(\[^\r\n\]*) in section .*$gdb_prompt $" { |
205 | # We match the echoed `info symbol' command here, to help us | |
206 | # reliably identify the beginning of the start symbol in the | |
207 | # command's output. You might think we could just use '^' to | |
208 | # start matching at the beginning of the line, but | |
209 | # unfortunately, in Expect, '^' matches the beginning of the | |
210 | # input that hasn't been matched by any expect clause yet. If | |
211 | # every expect clause consumes a complete line, along with its | |
212 | # terminating CR/LF, this is equivalent to the beginning of a | |
213 | # line. But expect clauses that end with `.*' will consume as | |
214 | # much as happened to arrive from the TTY --- exactly where | |
215 | # they leave you depends on inter-process timing. :( | |
edb6ede1 MS |
216 | set entry_symbol $expect_out(1,string) |
217 | pass "info symbol" | |
218 | } | |
219 | -re ".*$gdb_prompt $" { | |
220 | fail "info symbol" | |
221 | } | |
222 | timeout { | |
223 | fail "info symbol (timeout)" | |
224 | } | |
225 | } | |
226 | ||
ca9efc90 | 227 | # Now try a 'list' from the other source file. |
edb6ede1 | 228 | gdb_test "list $entry_symbol" ".*gdbasm_startup.*" "list" |
ca9efc90 MS |
229 | |
230 | # Now try a source file search | |
231 | gdb_test "search A routine for foo2 to call" \ | |
8b1d7e37 | 232 | "40\[ \t\]+comment \"A routine for foo2 to call.\"" "search" |
ca9efc90 | 233 | |
c906108c SS |
234 | # See if `f' prints the right source file. |
235 | gdb_test "f" ".*asmsrc2\[.\]s:8.*" "f in foo2" | |
236 | ||
237 | # `next' one insn (or macro) to set up our stackframe (for the following bt). | |
238 | gdb_test "n" "12\[ \]*.*foo3" "n in foo2" | |
239 | ||
b5703437 MS |
240 | # See if a simple `bt' prints the right source files and |
241 | # doesn't fall off the stack. | |
242 | ||
243 | gdb_test "bt 10" \ | |
244 | "\#0.*foo2.*asmsrc2\[.\]s:12.*\#1.*main.*asmsrc1\[.\]s:33(.*\#2.*start\[^\r\n\]*)?" \ | |
245 | "bt ALL in foo2" | |
78492fde AC |
246 | |
247 | # See if a capped `bt' prints the right source files. | |
248 | gdb_test "bt 2" "\#0.*foo2.*asmsrc2\[.\]s:12.*\#1.*main.*asmsrc1\[.\]s:33.*" "bt 2 in foo2" | |
c906108c SS |
249 | |
250 | # Step into another subroutine which lives back in the first source file. | |
251 | gdb_test "s" "" "s 2" | |
252 | ||
253 | # Next over insns to set up the stack frame. | |
254 | gdb_test "n" "" "n 2" | |
255 | ||
78492fde | 256 | # Now see if a capped `bt' is correct. |
8b1d7e37 | 257 | gdb_test "bt 3" "\#0.*foo3.*asmsrc1\[.\]s:45.*\#1.*foo2.*asmsrc2\[.\]s:12.*\#2.*main.*asmsrc1\[.\]s:33.*" "bt 3 in foo3" |
ca9efc90 MS |
258 | |
259 | # Try 'info source' from asmsrc1.s | |
260 | gdb_test "info source" \ | |
261 | "Current source file is .*asmsrc1.s.*Source language is asm.*" \ | |
262 | "info source asmsrc1.s" | |
263 | ||
264 | # Try 'finishing' from foo3 | |
265 | gdb_test "finish" "Run till exit from.*\[\r\n\]13\[ \t\]+gdbasm_call foo3" \ | |
266 | "finish from foo3" | |
267 | ||
268 | # Try 'info source' from asmsrc2.s | |
269 | gdb_test "info source" \ | |
270 | "Current source file is .*asmsrc2.s.*Source language is asm.*" \ | |
271 | "info source asmsrc2.s" | |
272 | ||
27924826 JB |
273 | # Try 'info sources'. This can produce a lot of output on systems |
274 | # with dynamic linking, where the system's shared libc was compiled | |
275 | # with debugging info; for example, on Linux, this produces 47kb of | |
276 | # output. So we consume it as we go. | |
277 | send_gdb "info sources\n" | |
278 | set seen_asmsrc_1 0 | |
279 | set seen_asmsrc_2 0 | |
280 | gdb_expect { | |
281 | -re "^\[^,\]*asmsrc1.s(, |\[\r\n\]+)" { | |
282 | set seen_asmsrc_1 1 | |
283 | exp_continue | |
284 | } | |
285 | -re "^\[^,\]*asmsrc2.s(, |\[\r\n\]+)" { | |
286 | set seen_asmsrc_2 1 | |
287 | exp_continue | |
288 | } | |
289 | -re ", " { | |
290 | exp_continue | |
291 | } | |
292 | -re "$gdb_prompt $" { | |
293 | if {$seen_asmsrc_1 && $seen_asmsrc_2} { | |
294 | pass "info sources" | |
295 | } else { | |
296 | fail "info sources" | |
297 | } | |
298 | } | |
299 | timeout { | |
300 | fail "info sources (timeout)" | |
301 | } | |
302 | } | |
303 | ||
ca9efc90 MS |
304 | |
305 | # Try 'info line' | |
306 | gdb_test "info line" \ | |
307 | "Line 13 of.*asmsrc2.s.*starts at.*<foo2+.*> and ends at.*<foo2+.*>." \ | |
308 | "info line" | |
309 | ||
310 | # Try 'nexting' over next call to foo3 | |
311 | gdb_test "next" "17\[ \t\]+gdbasm_leave" "next over foo3" | |
312 | ||
313 | # Try 'return' from foo2 | |
314 | gdb_test "return" "\#0 main .*37\[ \t\]+gdbasm_exit0" "return from foo2" \ | |
8b1d7e37 | 315 | "Make (foo2|selected stack frame) return now\?.*" "y" |
ca9efc90 | 316 | |
2b6fd0d8 AC |
317 | # Disassemble something, check the output |
318 | proc test_dis { command var } { | |
319 | global gdb_prompt | |
320 | send_gdb "${command}\n" | |
321 | gdb_expect { | |
572eb746 | 322 | -re "${var}.*:.*(Cannot access|Bad address)" { |
2b6fd0d8 AC |
323 | # The "disassembler" was only accessing the local |
324 | # executable and that would cause attempts to disassemble | |
325 | # variables to fail (memory not valid). | |
326 | fail "${command} (memory read error)" | |
327 | } | |
328 | -re "${var}.*:.*${gdb_prompt}" { | |
329 | pass "${command}" | |
330 | } | |
331 | timeout { | |
332 | fail "${command} (timeout)" | |
333 | } | |
334 | } | |
335 | } | |
336 | ||
337 | # See if we can look at a global variable, three ways | |
ca9efc90 | 338 | gdb_test "print globalvar" ".* = 11" "look at global variable" |
2c161407 | 339 | test_dis "x/i &globalvar" "globalvar" |
2b6fd0d8 | 340 | test_dis "disassem &globalvar &globalvar+1" "globalvar" |
ca9efc90 | 341 | |
2b6fd0d8 | 342 | # See if we can look at a static variable, three ways |
ca9efc90 | 343 | gdb_test "print staticvar" ".* = 5" "look at static variable" |
2b6fd0d8 AC |
344 | test_dis "x/i &staticvar" "staticvar" |
345 | test_dis "disassem &staticvar &staticvar+1" "staticvar" | |
ca9efc90 MS |
346 | |
347 | # See if we can look at a static function | |
83c31e7d | 348 | gdb_test "disassem foostatic" ".*<foostatic\\+0>:.*End of assembler dump." \ |
ca9efc90 MS |
349 | "look at static function" |
350 | ||
a73a20a2 | 351 | remote_exec build "rm -f ${subdir}/arch.inc" |