gdb/testsuite/gdb.asm/asm-source.exp

   1 # Copyright 1998, 2000, 2002 Free Software Foundation, Inc.
   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
  34 set asm-arch ""
  35 set asm-flags ""
  36 set link-flags ""
  37
  38 if [istarget "*arm-*-*"] then {
  39     set asm-arch arm
  40 }
  41 if [istarget "xscale-*-*"] then {
  42     set asm-arch arm
  43 }
  44 if [istarget "d10v-*-*"] then {
  45     set asm-arch d10v
  46 }
  47 if [istarget "s390-*-*"] then {
  48     set asm-arch s390
  49 }
  50 if [istarget "i\[3456\]86-*-*"] then {
  51     set asm-arch i386
  52 }
  53 if [istarget "m32r*-*"] then {
  54     set asm-arch m32r
  55 }
  56 if [istarget "powerpc*-*"] then {
  57     set asm-arch powerpc
  58 }
  59 if [istarget "sparc-*-*"] then {
  60     set asm-arch sparc
  61 }
  62 if [istarget "sparc64-*-*"] then {
  63     set asm-arch sparc64
  64     set asm-flags "-xarch=v9 -gstabs -I${srcdir}/${subdir} -I${objdir}/${subdir}"
  65 }
  66 if [istarget "xstormy16-*-*"] then {
  67     set asm-arch xstormy16
  68     set asm-flags "-gdwarf2 -I${srcdir}/${subdir} -I${objdir}/${subdir}"
  69 }
  70 if [istarget "v850-*-*"] then {
  71     set asm-arch v850
  72     set gdb_wrapper_initialized 1
  73 }
  74 if { "${asm-arch}" == "" } {
  75     gdb_suppress_entire_file "Assembly source test -- not implemented for this target."
  76 }
  77
  78 # Watch out, we are invoking the assembler, but the testsuite sets multilib
  79 # switches according to compiler syntax.  If we pass these options straight
  80 # to the assembler, they won't always make sense.  If we don't pass them to
  81 # the assembler, the final link will complain that the object files were
  82 # built with different defaults.  So no matter what we do, we lose.  We may as
  83 # well get out of this test sooner rather than later.
  84 set dest [target_info name]
  85 if [board_info $dest exists multilib_flags] {
  86         set multilib_flags [board_info $dest multilib_flags]
  87         if { "${multilib_flags}" != "" } {
  88            gdb_suppress_entire_file "Assembly source test -- multilibs not supported by this test."
  89            return;
  90          }
  91 }
  92
  93 set testfile "asm-source"
  94 set binfile ${objdir}/${subdir}/${testfile}
  95 set src1 ${srcdir}/${subdir}/asmsrc1.s
  96 set src2 ${srcdir}/${subdir}/asmsrc2.s
  97
  98 remote_exec build "rm -f ${subdir}/arch.inc"
  99 remote_download host ${srcdir}/${subdir}/${asm-arch}.inc ${subdir}/arch.inc
 100
 101 if { "${asm-flags}" == "" } {
 102     #set asm-flags "-Wa,-gstabs,-I${srcdir}/${subdir},-I${objdir}/${subdir}"
 103     set asm-flags "-gstabs -I${srcdir}/${subdir} -I${objdir}/${subdir}"
 104 }
 105
 106 if {[target_assemble ${src1} asmsrc1.o "${asm-flags}"] != ""} then {
 107      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
 108 }
 109 if {[target_assemble ${src2} asmsrc2.o "${asm-flags}"] != ""} then {
 110      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
 111 }
 112
 113 set opts "debug ldflags=-nostartfiles"
 114 foreach i ${link-flags} {
 115     append opts " ldflags=$i"
 116 }
 117 if { [gdb_compile "asmsrc1.o asmsrc2.o" "${binfile}" executable $opts] != "" } {
 118      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
 119 }
 120
 121 remote_exec build "mv asmsrc1.o asmsrc2.o ${objdir}/${subdir}"
 122
 123
 124 gdb_start
 125 gdb_reinitialize_dir $srcdir/$subdir
 126 gdb_load ${binfile}
 127
 128 #
 129 # Run to `main' where we begin our tests.
 130 #
 131
 132 if ![runto_main] then {
 133     gdb_suppress_tests
 134 }
 135
 136 # Execute the `f' command and see if the result includes source info.
 137 gdb_test "f" "asmsrc1\[.\]s:29.*several_nops" "f at main"
 138
 139 # See if we properly `next' over a macro with several insns.
 140 gdb_test "n" "33\[      \]*.*foo2" "next over macro"
 141
 142 # See if we can properly `step' into a subroutine call.
 143 gdb_test "s" "8\[       \]*.*" "step into foo2"
 144
 145 # Test 'info target', and incidentally capture the entry point address.
 146 set entry_point 0
 147 send_gdb "info target\n"
 148 gdb_expect {
 149     -re "Symbols from .*asm-source.*Entry point: 0x(\[01232456789abcdefABCDEF\]+).*$gdb_prompt $" {
 150         set entry_point $expect_out(1,string)
 151         pass "info target"
 152     }
 153     -re ".*$gdb_prompt $" {
 154         fail "info target"
 155     }
 156     timeout {
 157         fail "info target (timeout)"
 158     }
 159 }
 160
 161 # Capture the start symbol (may be '_start' or 'start')
 162 set entry_symbol ""
 163 send_gdb "info symbol 0x$entry_point\n"
 164 gdb_expect {
 165     -re "info symbol 0x$entry_point\[\r\n\]+(\[^\r\n\]*) in section .*$gdb_prompt $" {
 166         # We match the echoed `info symbol' command here, to help us
 167         # reliably identify the beginning of the start symbol in the
 168         # command's output.  You might think we could just use '^' to
 169         # start matching at the beginning of the line, but
 170         # unfortunately, in Expect, '^' matches the beginning of the
 171         # input that hasn't been matched by any expect clause yet.  If
 172         # every expect clause consumes a complete line, along with its
 173         # terminating CR/LF, this is equivalent to the beginning of a
 174         # line.  But expect clauses that end with `.*' will consume as
 175         # much as happened to arrive from the TTY --- exactly where
 176         # they leave you depends on inter-process timing.  :(
 177         set entry_symbol $expect_out(1,string)
 178         pass "info symbol"
 179     }
 180     -re ".*$gdb_prompt $" {
 181         fail "info symbol"
 182     }
 183     timeout {
 184         fail "info symbol (timeout)"
 185     }
 186 }
 187
 188 # Now try a 'list' from the other source file.
 189 gdb_test "list $entry_symbol" ".*gdbasm_startup.*" "list"
 190
 191 # Now try a source file search
 192 gdb_test "search A routine for foo2 to call" \
 193         "39\[ \t\]+comment \"A routine for foo2 to call.\"" "search"
 194
 195 # See if `f' prints the right source file.
 196 gdb_test "f" ".*asmsrc2\[.\]s:8.*" "f in foo2"
 197
 198 # `next' one insn (or macro) to set up our stackframe (for the following bt).
 199 gdb_test "n" "12\[      \]*.*foo3" "n in foo2"
 200
 201 # See if a simple `bt' prints the right source files and
 202 # doesn't fall off the stack.
 203
 204 gdb_test "bt 10" \
 205         "\#0.*foo2.*asmsrc2\[.\]s:12.*\#1.*main.*asmsrc1\[.\]s:33(.*\#2.*start\[^\r\n\]*)?" \
 206         "bt ALL in foo2"
 207
 208 # See if a capped `bt' prints the right source files.
 209 gdb_test "bt 2" "\#0.*foo2.*asmsrc2\[.\]s:12.*\#1.*main.*asmsrc1\[.\]s:33.*" "bt 2 in foo2"
 210
 211 # Step into another subroutine which lives back in the first source file.
 212 gdb_test "s" "" "s 2"
 213
 214 # Next over insns to set up the stack frame.
 215 gdb_test "n" "" "n 2"
 216
 217 # Now see if a capped `bt' is correct.
 218 gdb_test "bt 3" "\#0.*foo3.*asmsrc1\[.\]s:44.*\#1.*foo2.*asmsrc2\[.\]s:12.*\#2.*main.*asmsrc1\[.\]s:33.*" "bt 3 in foo3"
 219
 220 # Try 'info source' from asmsrc1.s
 221 gdb_test "info source" \
 222         "Current source file is .*asmsrc1.s.*Source language is asm.*" \
 223         "info source asmsrc1.s"
 224
 225 # Try 'finishing' from foo3
 226 gdb_test "finish" "Run till exit from.*\[\r\n\]13\[ \t\]+gdbasm_call foo3" \
 227         "finish from foo3"
 228
 229 # Try 'info source' from asmsrc2.s
 230 gdb_test "info source" \
 231         "Current source file is .*asmsrc2.s.*Source language is asm.*" \
 232         "info source asmsrc2.s"
 233
 234 # Try 'info sources'.  This can produce a lot of output on systems
 235 # with dynamic linking, where the system's shared libc was compiled
 236 # with debugging info; for example, on Linux, this produces 47kb of
 237 # output.  So we consume it as we go.
 238 send_gdb "info sources\n"
 239 set seen_asmsrc_1 0
 240 set seen_asmsrc_2 0
 241 gdb_expect {
 242     -re "^\[^,\]*asmsrc1.s(, |\[\r\n\]+)" {
 243         set seen_asmsrc_1 1
 244         exp_continue
 245     }
 246     -re "^\[^,\]*asmsrc2.s(, |\[\r\n\]+)" {
 247         set seen_asmsrc_2 1
 248         exp_continue
 249     }
 250     -re ", " {
 251         exp_continue
 252     }
 253     -re "$gdb_prompt $" {
 254         if {$seen_asmsrc_1 && $seen_asmsrc_2} {
 255             pass "info sources"
 256         } else {
 257             fail "info sources"
 258         }
 259     }
 260     timeout {
 261             fail "info sources (timeout)"
 262     }
 263 }
 264
 265
 266 # Try 'info line'
 267 gdb_test "info line" \
 268         "Line 13 of.*asmsrc2.s.*starts at.*<foo2+.*> and ends at.*<foo2+.*>." \
 269         "info line"
 270
 271 # Try 'nexting' over next call to foo3
 272 gdb_test "next" "17\[ \t\]+gdbasm_leave" "next over foo3"
 273
 274 # Try 'return' from foo2
 275 gdb_test "return" "\#0  main .*37\[ \t\]+gdbasm_exit0" "return from foo2" \
 276         "Make selected stack frame return now\?.*" "y"
 277
 278 # See if we can look at a global variable
 279 gdb_test "print globalvar" ".* = 11" "look at global variable"
 280
 281 # See if we can look at a static variable
 282 gdb_test "print staticvar" ".* = 5" "look at static variable"
 283
 284 # See if we can look at a static function
 285 gdb_test "disassem foostatic" ".*<foostatic>:.*End of assembler dump." \
 286         "look at static function"
 287
 288 remote_exec build "rm -f ${subdir}/arch.inc"