Commit | Line | Data |
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7b79a9d7 | 1 | # Copyright 1998, 2000, 2001, 2002, 2003, 2004 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 $tracelevel | |
24 | } | |
25 | ||
26 | # | |
27 | # Test debugging assembly level programs. | |
28 | # This file uses asmsrc[12].s for input. | |
29 | # | |
30 | ||
31 | set prms_id 0 | |
32 | set bug_id 0 | |
33 | ||
78492fde | 34 | set asm-arch "" |
71507b56 | 35 | set asm-note "empty" |
78492fde | 36 | set asm-flags "" |
a3895cee | 37 | set link-flags "--entry _start" |
575eebb1 | 38 | set debug-flags "" |
78492fde | 39 | |
be375bae | 40 | switch -glob -- [istarget] { |
acf4b816 RH |
41 | "alpha*-*-*" { |
42 | set asm-arch alpha | |
43 | # ??? Won't work with ecoff systems like Tru64, but then we also | |
44 | # don't have any other -g flag that creates mdebug output. | |
575eebb1 NC |
45 | set asm-flags "-no-mdebug -I${srcdir}/${subdir} -I${objdir}/${subdir}" |
46 | set debug-flags "-gdwarf-2" | |
acf4b816 | 47 | } |
be375bae JB |
48 | "*arm-*-*" { |
49 | set asm-arch arm | |
50 | } | |
51 | "xscale-*-*" { | |
52 | set asm-arch arm | |
53 | } | |
54 | "d10v-*-*" { | |
55 | set asm-arch d10v | |
56 | } | |
3a4c9371 KB |
57 | "frv-*-*" { |
58 | set asm-arch frv | |
59 | } | |
be375bae JB |
60 | "s390-*-*" { |
61 | set asm-arch s390 | |
62 | } | |
09bf6082 JB |
63 | "s390x-*-*" { |
64 | set asm-arch s390x | |
65 | } | |
be375bae JB |
66 | "x86_64-*-*" { |
67 | set asm-arch x86_64 | |
575eebb1 NC |
68 | set asm-flags "-I${srcdir}/${subdir} -I${objdir}/${subdir}" |
69 | set debug-flags "-gdwarf-2" | |
be375bae JB |
70 | } |
71 | "i\[3456\]86-*-*" { | |
72 | set asm-arch i386 | |
be375bae | 73 | } |
73cb587d KI |
74 | "m32r*-linux*" { |
75 | set asm-arch m32r-linux | |
76 | } | |
be375bae JB |
77 | "m32r*-*" { |
78 | set asm-arch m32r | |
3a4b3aac | 79 | append link-flags "--whole-archive -lgloss --no-whole-archive" |
be375bae JB |
80 | } |
81 | "m6811-*-*" { | |
82 | set asm-arch m68hc11 | |
c724d49b | 83 | set asm-flags "-mshort-double -m68hc11 -gdwarf-2 --no-warn -I${srcdir}/${subdir} -I${objdir}/${subdir}" |
be375bae JB |
84 | } |
85 | "m6812-*-*" { | |
86 | set asm-arch m68hc11 | |
c724d49b | 87 | set asm-flags "-mshort-double -m68hc12 -gdwarf-2 --no-warn -I${srcdir}/${subdir} -I${objdir}/${subdir}" |
be375bae JB |
88 | } |
89 | "mips*-*" { | |
90 | set asm-arch mips | |
91 | } | |
92 | "powerpc*-*" { | |
93 | set asm-arch powerpc | |
94 | } | |
71e06f80 CV |
95 | "sh*-*-*" { |
96 | set asm-arch sh | |
575eebb1 NC |
97 | set asm-flags "-I${srcdir}/${subdir} -I${objdir}/${subdir}" |
98 | set debug-flags "-gdwarf-2" | |
71e06f80 | 99 | } |
be375bae JB |
100 | "sparc-*-*" { |
101 | set asm-arch sparc | |
102 | } | |
103 | "sparc64-*-*" { | |
104 | set asm-arch sparc64 | |
575eebb1 NC |
105 | set asm-flags "-xarch=v9 -I${srcdir}/${subdir} -I${objdir}/${subdir}" |
106 | set debug-flags "-gdwarf-2" | |
be375bae JB |
107 | } |
108 | "xstormy16-*-*" { | |
109 | set asm-arch xstormy16 | |
575eebb1 NC |
110 | set asm-flags "-I${srcdir}/${subdir} -I${objdir}/${subdir}" |
111 | set debug-flags "-gdwarf-2" | |
be375bae JB |
112 | } |
113 | "v850-*-*" { | |
114 | set asm-arch v850 | |
115 | set gdb_wrapper_initialized 1 | |
a955b5bb | 116 | } |
2705e972 AS |
117 | "m68k-*-*" { |
118 | set asm-arch m68k | |
119 | } | |
4630e498 JJ |
120 | "ia64-*-*" { |
121 | set asm-arch ia64 | |
575eebb1 NC |
122 | set asm-flags "-I${srcdir}/${subdir} -I${objdir}/${subdir}" |
123 | set debug-flags "-gdwarf-2" | |
4630e498 | 124 | } |
81bb3443 RC |
125 | "hppa*-linux-*" { |
126 | set asm-arch pa | |
575eebb1 NC |
127 | set asm-flags "-I${srcdir}/${subdir} -I${objdir}/${subdir}" |
128 | set debug-flags "-gdwarf-2" | |
81bb3443 | 129 | } |
017ac23d | 130 | } |
be375bae | 131 | |
78492fde | 132 | if { "${asm-arch}" == "" } { |
9383332c | 133 | gdb_suppress_entire_file "Assembly source test -- not implemented for this target." |
c906108c SS |
134 | } |
135 | ||
71507b56 MK |
136 | # On NetBSD/ELF we need a special NetBSD-identifying note section. |
137 | if { [istarget "*-*-netbsdelf*"] | |
138 | || [istarget "x86_64-*-netbsd*"] } then { | |
139 | set asm-note "netbsd" | |
140 | } | |
141 | ||
53904d1e MK |
142 | # On OpenBSD/ELF we need a similar note section. We make no attempt |
143 | # of handing a.out here since most OpenBSD/a.out systems use a rather | |
144 | # outdated assembler that doesn't assemble this test's code anyway. | |
145 | if { [istarget "*-*-openbsd*"] } then { | |
146 | set asm-note "openbsd" | |
147 | } | |
148 | ||
0fcddd82 EZ |
149 | # Watch out, we are invoking the assembler, but the testsuite sets multilib |
150 | # switches according to compiler syntax. If we pass these options straight | |
151 | # to the assembler, they won't always make sense. If we don't pass them to | |
152 | # the assembler, the final link will complain that the object files were | |
153 | # built with different defaults. So no matter what we do, we lose. We may as | |
154 | # well get out of this test sooner rather than later. | |
155 | set dest [target_info name] | |
156 | if [board_info $dest exists multilib_flags] { | |
157 | set multilib_flags [board_info $dest multilib_flags] | |
158 | if { "${multilib_flags}" != "" } { | |
159 | gdb_suppress_entire_file "Assembly source test -- multilibs not supported by this test." | |
160 | return; | |
161 | } | |
162 | } | |
163 | ||
c906108c SS |
164 | set testfile "asm-source" |
165 | set binfile ${objdir}/${subdir}/${testfile} | |
f2dd3617 EZ |
166 | set srcfile1 asmsrc1.s |
167 | set srcfile2 asmsrc2.s | |
c906108c | 168 | |
a73a20a2 EZ |
169 | remote_exec build "rm -f ${subdir}/arch.inc" |
170 | remote_download host ${srcdir}/${subdir}/${asm-arch}.inc ${subdir}/arch.inc | |
71507b56 MK |
171 | remote_exec build "rm -f ${subdir}/note.inc" |
172 | remote_download host ${srcdir}/${subdir}/${asm-note}.inc ${subdir}/note.inc | |
16a8534a | 173 | |
78492fde | 174 | if { "${asm-flags}" == "" } { |
575eebb1 NC |
175 | set asm-flags "-I${srcdir}/${subdir} -I${objdir}/${subdir}" |
176 | set debug-flags "-gstabs" | |
78492fde | 177 | } |
c906108c | 178 | |
c724d49b | 179 | # Allow the target board to override the debug flags. |
575eebb1 NC |
180 | if { [board_info $dest exists debug_flags] } then { |
181 | set debug-flags "[board_info $dest debug_flags]" | |
182 | } | |
183 | ||
c724d49b MC |
184 | # The debug flags are in the format that gcc expects: |
185 | # "-gdwarf-2", "-gstabs+", or "-gstabs". To be compatible with the | |
186 | # other languages in the test suite, we accept this input format. | |
187 | # So the user can run the test suite with: | |
188 | # | |
189 | # runtest --target_board unix/gdb:debug_flags=-gdwarf-2 | |
190 | # make check RUNTESTFLAGS="--target_board unix/gdb:debug_flags=-gdwarf-2" | |
191 | # | |
192 | # However, the GNU assembler has different spellings than gcc. | |
193 | # So I adjust the debug flags here. | |
194 | ||
195 | # The GNU assembler spells "dwarf-2" as "dwarf2". | |
196 | regsub "--" "-gdwarf-2" "${debug-flags}" "-gdwarf2" debug-flags | |
197 | ||
198 | # The GNU assembler before 2.15 did not support "stabs+". | |
199 | regsub "--" "-gstabs\[+\]" "${debug-flags}" "-gstabs" debug-flags | |
200 | ||
201 | # The GNU assembler does not support level options like "-g2" or "-g3". | |
202 | regsub "--" "-g\[0-9\]" "${debug-flags}" "" debug-flags | |
575eebb1 NC |
203 | |
204 | if {[target_assemble ${srcdir}/${subdir}/${srcfile1} asmsrc1.o "${asm-flags} ${debug-flags}"] != ""} then { | |
c906108c SS |
205 | gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
206 | } | |
575eebb1 | 207 | if {[target_assemble ${srcdir}/${subdir}/${srcfile2} asmsrc2.o "${asm-flags} ${debug-flags}"] != ""} then { |
c906108c SS |
208 | gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
209 | } | |
210 | ||
3a4b3aac MK |
211 | # We deliberately don't use gdb_compile here to link together the |
212 | # assembled object files. Using gdb_compile, and therefore the C | |
213 | # compiler, is conceptually wrong, since we're testing raw assembler | |
214 | # code here that provides its own startup code. Using target_link | |
215 | # also avoids a lot of problems on many systems, most notably on | |
216 | # *-*-*bsd* and *-*-solaris2*. | |
217 | if {[target_link "asmsrc1.o asmsrc2.o" "${binfile}" ${link-flags}] != "" } then { | |
c906108c SS |
218 | gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
219 | } | |
220 | ||
221 | remote_exec build "mv asmsrc1.o asmsrc2.o ${objdir}/${subdir}" | |
222 | ||
223 | ||
224 | gdb_start | |
225 | gdb_reinitialize_dir $srcdir/$subdir | |
226 | gdb_load ${binfile} | |
227 | ||
228 | # | |
229 | # Run to `main' where we begin our tests. | |
230 | # | |
231 | ||
232 | if ![runto_main] then { | |
233 | gdb_suppress_tests | |
234 | } | |
235 | ||
236 | # Execute the `f' command and see if the result includes source info. | |
78492fde | 237 | gdb_test "f" "asmsrc1\[.\]s:29.*several_nops" "f at main" |
c906108c SS |
238 | |
239 | # See if we properly `next' over a macro with several insns. | |
78492fde | 240 | gdb_test "n" "33\[ \]*.*foo2" "next over macro" |
c906108c SS |
241 | |
242 | # See if we can properly `step' into a subroutine call. | |
243 | gdb_test "s" "8\[ \]*.*" "step into foo2" | |
244 | ||
edb6ede1 MS |
245 | # Test 'info target', and incidentally capture the entry point address. |
246 | set entry_point 0 | |
247 | send_gdb "info target\n" | |
248 | gdb_expect { | |
249 | -re "Symbols from .*asm-source.*Entry point: 0x(\[01232456789abcdefABCDEF\]+).*$gdb_prompt $" { | |
250 | set entry_point $expect_out(1,string) | |
251 | pass "info target" | |
252 | } | |
253 | -re ".*$gdb_prompt $" { | |
254 | fail "info target" | |
255 | } | |
256 | timeout { | |
257 | fail "info target (timeout)" | |
258 | } | |
259 | } | |
260 | ||
261 | # Capture the start symbol (may be '_start' or 'start') | |
262 | set entry_symbol "" | |
263 | send_gdb "info symbol 0x$entry_point\n" | |
264 | gdb_expect { | |
ecace851 JB |
265 | -re "info symbol 0x$entry_point\[\r\n\]+(\[^\r\n\]*) in section .*$gdb_prompt $" { |
266 | # We match the echoed `info symbol' command here, to help us | |
267 | # reliably identify the beginning of the start symbol in the | |
268 | # command's output. You might think we could just use '^' to | |
269 | # start matching at the beginning of the line, but | |
270 | # unfortunately, in Expect, '^' matches the beginning of the | |
271 | # input that hasn't been matched by any expect clause yet. If | |
272 | # every expect clause consumes a complete line, along with its | |
273 | # terminating CR/LF, this is equivalent to the beginning of a | |
274 | # line. But expect clauses that end with `.*' will consume as | |
275 | # much as happened to arrive from the TTY --- exactly where | |
276 | # they leave you depends on inter-process timing. :( | |
edb6ede1 MS |
277 | set entry_symbol $expect_out(1,string) |
278 | pass "info symbol" | |
279 | } | |
280 | -re ".*$gdb_prompt $" { | |
281 | fail "info symbol" | |
282 | } | |
283 | timeout { | |
284 | fail "info symbol (timeout)" | |
285 | } | |
286 | } | |
287 | ||
ca9efc90 | 288 | # Now try a 'list' from the other source file. |
edb6ede1 | 289 | gdb_test "list $entry_symbol" ".*gdbasm_startup.*" "list" |
ca9efc90 MS |
290 | |
291 | # Now try a source file search | |
292 | gdb_test "search A routine for foo2 to call" \ | |
8b1d7e37 | 293 | "40\[ \t\]+comment \"A routine for foo2 to call.\"" "search" |
ca9efc90 | 294 | |
c906108c SS |
295 | # See if `f' prints the right source file. |
296 | gdb_test "f" ".*asmsrc2\[.\]s:8.*" "f in foo2" | |
297 | ||
298 | # `next' one insn (or macro) to set up our stackframe (for the following bt). | |
299 | gdb_test "n" "12\[ \]*.*foo3" "n in foo2" | |
300 | ||
b5703437 MS |
301 | # See if a simple `bt' prints the right source files and |
302 | # doesn't fall off the stack. | |
303 | ||
304 | gdb_test "bt 10" \ | |
0714963c | 305 | "\#0.*foo2.*asmsrc2\[.\]s:12.*\#1.*main.*asmsrc1\[.\]s:33" \ |
b5703437 | 306 | "bt ALL in foo2" |
78492fde AC |
307 | |
308 | # See if a capped `bt' prints the right source files. | |
309 | gdb_test "bt 2" "\#0.*foo2.*asmsrc2\[.\]s:12.*\#1.*main.*asmsrc1\[.\]s:33.*" "bt 2 in foo2" | |
c906108c SS |
310 | |
311 | # Step into another subroutine which lives back in the first source file. | |
312 | gdb_test "s" "" "s 2" | |
313 | ||
314 | # Next over insns to set up the stack frame. | |
315 | gdb_test "n" "" "n 2" | |
316 | ||
78492fde | 317 | # Now see if a capped `bt' is correct. |
8b1d7e37 | 318 | 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 |
319 | |
320 | # Try 'info source' from asmsrc1.s | |
321 | gdb_test "info source" \ | |
322 | "Current source file is .*asmsrc1.s.*Source language is asm.*" \ | |
323 | "info source asmsrc1.s" | |
324 | ||
325 | # Try 'finishing' from foo3 | |
326 | gdb_test "finish" "Run till exit from.*\[\r\n\]13\[ \t\]+gdbasm_call foo3" \ | |
327 | "finish from foo3" | |
328 | ||
329 | # Try 'info source' from asmsrc2.s | |
330 | gdb_test "info source" \ | |
331 | "Current source file is .*asmsrc2.s.*Source language is asm.*" \ | |
332 | "info source asmsrc2.s" | |
333 | ||
27924826 JB |
334 | # Try 'info sources'. This can produce a lot of output on systems |
335 | # with dynamic linking, where the system's shared libc was compiled | |
336 | # with debugging info; for example, on Linux, this produces 47kb of | |
337 | # output. So we consume it as we go. | |
338 | send_gdb "info sources\n" | |
339 | set seen_asmsrc_1 0 | |
340 | set seen_asmsrc_2 0 | |
341 | gdb_expect { | |
342 | -re "^\[^,\]*asmsrc1.s(, |\[\r\n\]+)" { | |
343 | set seen_asmsrc_1 1 | |
344 | exp_continue | |
345 | } | |
346 | -re "^\[^,\]*asmsrc2.s(, |\[\r\n\]+)" { | |
347 | set seen_asmsrc_2 1 | |
348 | exp_continue | |
349 | } | |
350 | -re ", " { | |
351 | exp_continue | |
352 | } | |
353 | -re "$gdb_prompt $" { | |
354 | if {$seen_asmsrc_1 && $seen_asmsrc_2} { | |
355 | pass "info sources" | |
356 | } else { | |
357 | fail "info sources" | |
358 | } | |
359 | } | |
360 | timeout { | |
361 | fail "info sources (timeout)" | |
362 | } | |
363 | } | |
364 | ||
ca9efc90 MS |
365 | |
366 | # Try 'info line' | |
367 | gdb_test "info line" \ | |
368 | "Line 13 of.*asmsrc2.s.*starts at.*<foo2+.*> and ends at.*<foo2+.*>." \ | |
369 | "info line" | |
370 | ||
371 | # Try 'nexting' over next call to foo3 | |
372 | gdb_test "next" "17\[ \t\]+gdbasm_leave" "next over foo3" | |
373 | ||
374 | # Try 'return' from foo2 | |
375 | gdb_test "return" "\#0 main .*37\[ \t\]+gdbasm_exit0" "return from foo2" \ | |
8b1d7e37 | 376 | "Make (foo2|selected stack frame) return now\?.*" "y" |
ca9efc90 | 377 | |
2b6fd0d8 AC |
378 | # Disassemble something, check the output |
379 | proc test_dis { command var } { | |
380 | global gdb_prompt | |
381 | send_gdb "${command}\n" | |
382 | gdb_expect { | |
572eb746 | 383 | -re "${var}.*:.*(Cannot access|Bad address)" { |
2b6fd0d8 AC |
384 | # The "disassembler" was only accessing the local |
385 | # executable and that would cause attempts to disassemble | |
386 | # variables to fail (memory not valid). | |
387 | fail "${command} (memory read error)" | |
388 | } | |
389 | -re "${var}.*:.*${gdb_prompt}" { | |
390 | pass "${command}" | |
391 | } | |
392 | timeout { | |
393 | fail "${command} (timeout)" | |
394 | } | |
395 | } | |
396 | } | |
397 | ||
398 | # See if we can look at a global variable, three ways | |
ca9efc90 | 399 | gdb_test "print globalvar" ".* = 11" "look at global variable" |
2c161407 | 400 | test_dis "x/i &globalvar" "globalvar" |
2b6fd0d8 | 401 | test_dis "disassem &globalvar &globalvar+1" "globalvar" |
ca9efc90 | 402 | |
2b6fd0d8 | 403 | # See if we can look at a static variable, three ways |
ca9efc90 | 404 | gdb_test "print staticvar" ".* = 5" "look at static variable" |
2b6fd0d8 AC |
405 | test_dis "x/i &staticvar" "staticvar" |
406 | test_dis "disassem &staticvar &staticvar+1" "staticvar" | |
ca9efc90 MS |
407 | |
408 | # See if we can look at a static function | |
83c31e7d | 409 | gdb_test "disassem foostatic" ".*<foostatic\\+0>:.*End of assembler dump." \ |
ca9efc90 MS |
410 | "look at static function" |
411 | ||
a73a20a2 | 412 | remote_exec build "rm -f ${subdir}/arch.inc" |
71507b56 | 413 | remote_exec build "rm -f ${subdir}/note.inc" |