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