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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 | |
dcd81ce9 | 72 | set link-flags "-Wl,--whole-archive -lgloss -Wl,--no-whole-archive" |
be375bae JB |
73 | } |
74 | "m6811-*-*" { | |
75 | set asm-arch m68hc11 | |
76 | set asm-flags "-mshort-double -m68hc11 -gdwarf2 --no-warn -I${srcdir}/${subdir} -I${objdir}/${subdir}" | |
77 | } | |
78 | "m6812-*-*" { | |
79 | set asm-arch m68hc11 | |
80 | set asm-flags "-mshort-double -m68hc12 -gdwarf2 --no-warn -I${srcdir}/${subdir} -I${objdir}/${subdir}" | |
81 | } | |
82 | "mips*-*" { | |
83 | set asm-arch mips | |
84 | } | |
85 | "powerpc*-*" { | |
86 | set asm-arch powerpc | |
87 | } | |
71e06f80 CV |
88 | "sh*-*-*" { |
89 | set asm-arch sh | |
90 | set asm-flags "-gdwarf2 -I${srcdir}/${subdir} -I${objdir}/${subdir}" | |
91 | set link-flags "--entry _start" | |
92 | } | |
be375bae JB |
93 | "sparc-*-*" { |
94 | set asm-arch sparc | |
95 | } | |
96 | "sparc64-*-*" { | |
97 | set asm-arch sparc64 | |
98 | set asm-flags "-xarch=v9 -gstabs -I${srcdir}/${subdir} -I${objdir}/${subdir}" | |
99 | } | |
100 | "xstormy16-*-*" { | |
101 | set asm-arch xstormy16 | |
102 | set asm-flags "-gdwarf2 -I${srcdir}/${subdir} -I${objdir}/${subdir}" | |
103 | } | |
104 | "v850-*-*" { | |
105 | set asm-arch v850 | |
106 | set gdb_wrapper_initialized 1 | |
a955b5bb | 107 | } |
2705e972 AS |
108 | "m68k-*-*" { |
109 | set asm-arch m68k | |
110 | } | |
4630e498 JJ |
111 | "ia64-*-*" { |
112 | set asm-arch ia64 | |
113 | set asm-flags "-gdwarf2 -I${srcdir}/${subdir} -I${objdir}/${subdir}" | |
114 | } | |
017ac23d | 115 | } |
be375bae | 116 | |
78492fde | 117 | if { "${asm-arch}" == "" } { |
9383332c | 118 | gdb_suppress_entire_file "Assembly source test -- not implemented for this target." |
c906108c SS |
119 | } |
120 | ||
10059fdf MK |
121 | # On FreeBSD, crt1.o the final link will fail because of unresolved |
122 | # symbols. It turns out that libc.so references symbols that are | |
123 | # normally provided by crt1.o, which isn't linked in since we specify | |
124 | # -nostartfiles. Using -nostdlib doesn't help since target_compile | |
125 | # automatically adds -lm. Linking statically avoids this mess. | |
126 | if [istarget "*-*-freebsd*"] then { | |
127 | set link-flags "-static" | |
128 | } | |
129 | ||
0fcddd82 EZ |
130 | # Watch out, we are invoking the assembler, but the testsuite sets multilib |
131 | # switches according to compiler syntax. If we pass these options straight | |
132 | # to the assembler, they won't always make sense. If we don't pass them to | |
133 | # the assembler, the final link will complain that the object files were | |
134 | # built with different defaults. So no matter what we do, we lose. We may as | |
135 | # well get out of this test sooner rather than later. | |
136 | set dest [target_info name] | |
137 | if [board_info $dest exists multilib_flags] { | |
138 | set multilib_flags [board_info $dest multilib_flags] | |
139 | if { "${multilib_flags}" != "" } { | |
140 | gdb_suppress_entire_file "Assembly source test -- multilibs not supported by this test." | |
141 | return; | |
142 | } | |
143 | } | |
144 | ||
c906108c SS |
145 | set testfile "asm-source" |
146 | set binfile ${objdir}/${subdir}/${testfile} | |
f2dd3617 EZ |
147 | set srcfile1 asmsrc1.s |
148 | set srcfile2 asmsrc2.s | |
c906108c | 149 | |
a73a20a2 EZ |
150 | remote_exec build "rm -f ${subdir}/arch.inc" |
151 | remote_download host ${srcdir}/${subdir}/${asm-arch}.inc ${subdir}/arch.inc | |
16a8534a | 152 | |
78492fde AC |
153 | if { "${asm-flags}" == "" } { |
154 | #set asm-flags "-Wa,-gstabs,-I${srcdir}/${subdir},-I${objdir}/${subdir}" | |
155 | set asm-flags "-gstabs -I${srcdir}/${subdir} -I${objdir}/${subdir}" | |
156 | } | |
c906108c | 157 | |
f2dd3617 | 158 | if {[target_assemble ${srcdir}/${subdir}/${srcfile1} asmsrc1.o "${asm-flags}"] != ""} then { |
c906108c SS |
159 | gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
160 | } | |
f2dd3617 | 161 | if {[target_assemble ${srcdir}/${subdir}/${srcfile2} asmsrc2.o "${asm-flags}"] != ""} then { |
c906108c SS |
162 | gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
163 | } | |
164 | ||
cf599fa7 CV |
165 | set opts "debug ldflags=-nostartfiles" |
166 | foreach i ${link-flags} { | |
167 | append opts " ldflags=$i" | |
168 | } | |
169 | if { [gdb_compile "asmsrc1.o asmsrc2.o" "${binfile}" executable $opts] != "" } { | |
c906108c SS |
170 | gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
171 | } | |
172 | ||
173 | remote_exec build "mv asmsrc1.o asmsrc2.o ${objdir}/${subdir}" | |
174 | ||
175 | ||
176 | gdb_start | |
177 | gdb_reinitialize_dir $srcdir/$subdir | |
178 | gdb_load ${binfile} | |
179 | ||
180 | # | |
181 | # Run to `main' where we begin our tests. | |
182 | # | |
183 | ||
184 | if ![runto_main] then { | |
185 | gdb_suppress_tests | |
186 | } | |
187 | ||
188 | # Execute the `f' command and see if the result includes source info. | |
78492fde | 189 | gdb_test "f" "asmsrc1\[.\]s:29.*several_nops" "f at main" |
c906108c SS |
190 | |
191 | # See if we properly `next' over a macro with several insns. | |
78492fde | 192 | gdb_test "n" "33\[ \]*.*foo2" "next over macro" |
c906108c SS |
193 | |
194 | # See if we can properly `step' into a subroutine call. | |
195 | gdb_test "s" "8\[ \]*.*" "step into foo2" | |
196 | ||
edb6ede1 MS |
197 | # Test 'info target', and incidentally capture the entry point address. |
198 | set entry_point 0 | |
199 | send_gdb "info target\n" | |
200 | gdb_expect { | |
201 | -re "Symbols from .*asm-source.*Entry point: 0x(\[01232456789abcdefABCDEF\]+).*$gdb_prompt $" { | |
202 | set entry_point $expect_out(1,string) | |
203 | pass "info target" | |
204 | } | |
205 | -re ".*$gdb_prompt $" { | |
206 | fail "info target" | |
207 | } | |
208 | timeout { | |
209 | fail "info target (timeout)" | |
210 | } | |
211 | } | |
212 | ||
213 | # Capture the start symbol (may be '_start' or 'start') | |
214 | set entry_symbol "" | |
215 | send_gdb "info symbol 0x$entry_point\n" | |
216 | gdb_expect { | |
ecace851 JB |
217 | -re "info symbol 0x$entry_point\[\r\n\]+(\[^\r\n\]*) in section .*$gdb_prompt $" { |
218 | # We match the echoed `info symbol' command here, to help us | |
219 | # reliably identify the beginning of the start symbol in the | |
220 | # command's output. You might think we could just use '^' to | |
221 | # start matching at the beginning of the line, but | |
222 | # unfortunately, in Expect, '^' matches the beginning of the | |
223 | # input that hasn't been matched by any expect clause yet. If | |
224 | # every expect clause consumes a complete line, along with its | |
225 | # terminating CR/LF, this is equivalent to the beginning of a | |
226 | # line. But expect clauses that end with `.*' will consume as | |
227 | # much as happened to arrive from the TTY --- exactly where | |
228 | # they leave you depends on inter-process timing. :( | |
edb6ede1 MS |
229 | set entry_symbol $expect_out(1,string) |
230 | pass "info symbol" | |
231 | } | |
232 | -re ".*$gdb_prompt $" { | |
233 | fail "info symbol" | |
234 | } | |
235 | timeout { | |
236 | fail "info symbol (timeout)" | |
237 | } | |
238 | } | |
239 | ||
ca9efc90 | 240 | # Now try a 'list' from the other source file. |
edb6ede1 | 241 | gdb_test "list $entry_symbol" ".*gdbasm_startup.*" "list" |
ca9efc90 MS |
242 | |
243 | # Now try a source file search | |
244 | gdb_test "search A routine for foo2 to call" \ | |
8b1d7e37 | 245 | "40\[ \t\]+comment \"A routine for foo2 to call.\"" "search" |
ca9efc90 | 246 | |
c906108c SS |
247 | # See if `f' prints the right source file. |
248 | gdb_test "f" ".*asmsrc2\[.\]s:8.*" "f in foo2" | |
249 | ||
250 | # `next' one insn (or macro) to set up our stackframe (for the following bt). | |
251 | gdb_test "n" "12\[ \]*.*foo3" "n in foo2" | |
252 | ||
b5703437 MS |
253 | # See if a simple `bt' prints the right source files and |
254 | # doesn't fall off the stack. | |
255 | ||
256 | gdb_test "bt 10" \ | |
0714963c | 257 | "\#0.*foo2.*asmsrc2\[.\]s:12.*\#1.*main.*asmsrc1\[.\]s:33" \ |
b5703437 | 258 | "bt ALL in foo2" |
78492fde AC |
259 | |
260 | # See if a capped `bt' prints the right source files. | |
261 | gdb_test "bt 2" "\#0.*foo2.*asmsrc2\[.\]s:12.*\#1.*main.*asmsrc1\[.\]s:33.*" "bt 2 in foo2" | |
c906108c SS |
262 | |
263 | # Step into another subroutine which lives back in the first source file. | |
264 | gdb_test "s" "" "s 2" | |
265 | ||
266 | # Next over insns to set up the stack frame. | |
267 | gdb_test "n" "" "n 2" | |
268 | ||
78492fde | 269 | # Now see if a capped `bt' is correct. |
8b1d7e37 | 270 | 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 |
271 | |
272 | # Try 'info source' from asmsrc1.s | |
273 | gdb_test "info source" \ | |
274 | "Current source file is .*asmsrc1.s.*Source language is asm.*" \ | |
275 | "info source asmsrc1.s" | |
276 | ||
277 | # Try 'finishing' from foo3 | |
278 | gdb_test "finish" "Run till exit from.*\[\r\n\]13\[ \t\]+gdbasm_call foo3" \ | |
279 | "finish from foo3" | |
280 | ||
281 | # Try 'info source' from asmsrc2.s | |
282 | gdb_test "info source" \ | |
283 | "Current source file is .*asmsrc2.s.*Source language is asm.*" \ | |
284 | "info source asmsrc2.s" | |
285 | ||
27924826 JB |
286 | # Try 'info sources'. This can produce a lot of output on systems |
287 | # with dynamic linking, where the system's shared libc was compiled | |
288 | # with debugging info; for example, on Linux, this produces 47kb of | |
289 | # output. So we consume it as we go. | |
290 | send_gdb "info sources\n" | |
291 | set seen_asmsrc_1 0 | |
292 | set seen_asmsrc_2 0 | |
293 | gdb_expect { | |
294 | -re "^\[^,\]*asmsrc1.s(, |\[\r\n\]+)" { | |
295 | set seen_asmsrc_1 1 | |
296 | exp_continue | |
297 | } | |
298 | -re "^\[^,\]*asmsrc2.s(, |\[\r\n\]+)" { | |
299 | set seen_asmsrc_2 1 | |
300 | exp_continue | |
301 | } | |
302 | -re ", " { | |
303 | exp_continue | |
304 | } | |
305 | -re "$gdb_prompt $" { | |
306 | if {$seen_asmsrc_1 && $seen_asmsrc_2} { | |
307 | pass "info sources" | |
308 | } else { | |
309 | fail "info sources" | |
310 | } | |
311 | } | |
312 | timeout { | |
313 | fail "info sources (timeout)" | |
314 | } | |
315 | } | |
316 | ||
ca9efc90 MS |
317 | |
318 | # Try 'info line' | |
319 | gdb_test "info line" \ | |
320 | "Line 13 of.*asmsrc2.s.*starts at.*<foo2+.*> and ends at.*<foo2+.*>." \ | |
321 | "info line" | |
322 | ||
323 | # Try 'nexting' over next call to foo3 | |
324 | gdb_test "next" "17\[ \t\]+gdbasm_leave" "next over foo3" | |
325 | ||
326 | # Try 'return' from foo2 | |
327 | gdb_test "return" "\#0 main .*37\[ \t\]+gdbasm_exit0" "return from foo2" \ | |
8b1d7e37 | 328 | "Make (foo2|selected stack frame) return now\?.*" "y" |
ca9efc90 | 329 | |
2b6fd0d8 AC |
330 | # Disassemble something, check the output |
331 | proc test_dis { command var } { | |
332 | global gdb_prompt | |
333 | send_gdb "${command}\n" | |
334 | gdb_expect { | |
572eb746 | 335 | -re "${var}.*:.*(Cannot access|Bad address)" { |
2b6fd0d8 AC |
336 | # The "disassembler" was only accessing the local |
337 | # executable and that would cause attempts to disassemble | |
338 | # variables to fail (memory not valid). | |
339 | fail "${command} (memory read error)" | |
340 | } | |
341 | -re "${var}.*:.*${gdb_prompt}" { | |
342 | pass "${command}" | |
343 | } | |
344 | timeout { | |
345 | fail "${command} (timeout)" | |
346 | } | |
347 | } | |
348 | } | |
349 | ||
350 | # See if we can look at a global variable, three ways | |
ca9efc90 | 351 | gdb_test "print globalvar" ".* = 11" "look at global variable" |
2c161407 | 352 | test_dis "x/i &globalvar" "globalvar" |
2b6fd0d8 | 353 | test_dis "disassem &globalvar &globalvar+1" "globalvar" |
ca9efc90 | 354 | |
2b6fd0d8 | 355 | # See if we can look at a static variable, three ways |
ca9efc90 | 356 | gdb_test "print staticvar" ".* = 5" "look at static variable" |
2b6fd0d8 AC |
357 | test_dis "x/i &staticvar" "staticvar" |
358 | test_dis "disassem &staticvar &staticvar+1" "staticvar" | |
ca9efc90 MS |
359 | |
360 | # See if we can look at a static function | |
83c31e7d | 361 | gdb_test "disassem foostatic" ".*<foostatic\\+0>:.*End of assembler dump." \ |
ca9efc90 MS |
362 | "look at static function" |
363 | ||
a73a20a2 | 364 | remote_exec build "rm -f ${subdir}/arch.inc" |