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