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

   1 #   Copyright 1998, 2000 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 "xstormy16-*-*"] then {
  63     set asm-arch xstormy16
  64     set asm-flags "-gdwarf2 -I${srcdir}/${subdir} -I${objdir}/${subdir}"
  65 }
  66 if { "${asm-arch}" == "" } {
  67     gdb_suppress_entire_file "Assembly source test -- not implemented for this target."
  68 }
  69
  70 set testfile "asm-source"
  71 set binfile ${objdir}/${subdir}/${testfile}
  72 set src1 ${srcdir}/${subdir}/asmsrc1.s
  73 set src2 ${srcdir}/${subdir}/asmsrc2.s
  74
  75 if { "${asm-flags}" == "" } {
  76     #set asm-flags "-Wa,-gstabs,-I${srcdir}/${subdir},-I${objdir}/${subdir}"
  77     set asm-flags "-gstabs -I${srcdir}/${subdir} -I${objdir}/${subdir}"
  78 }
  79
  80 if {[target_assemble ${src1} asmsrc1.o "${asm-flags}"] != ""} then {
  81      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  82 }
  83 if {[target_assemble ${src2} asmsrc2.o "${asm-flags}"] != ""} then {
  84      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  85 }
  86
  87 set opts "debug ldflags=-nostartfiles"
  88 foreach i ${link-flags} {
  89     append opts " ldflags=$i"
  90 }
  91 if { [gdb_compile "asmsrc1.o asmsrc2.o" "${binfile}" executable $opts] != "" } {
  92      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  93 }
  94
  95 remote_exec build "mv asmsrc1.o asmsrc2.o ${objdir}/${subdir}"
  96
  97
  98 gdb_start
  99 gdb_reinitialize_dir $srcdir/$subdir
 100 gdb_load ${binfile}
 101
 102 #
 103 # Run to `main' where we begin our tests.
 104 #
 105
 106 if ![runto_main] then {
 107     gdb_suppress_tests
 108 }
 109
 110 # Execute the `f' command and see if the result includes source info.
 111 gdb_test "f" "asmsrc1\[.\]s:29.*several_nops" "f at main"
 112
 113 # See if we properly `next' over a macro with several insns.
 114 gdb_test "n" "33\[      \]*.*foo2" "next over macro"
 115
 116 # See if we can properly `step' into a subroutine call.
 117 gdb_test "s" "8\[       \]*.*" "step into foo2"
 118
 119 # Test 'info target', and incidentally capture the entry point address.
 120 set entry_point 0
 121 send_gdb "info target\n"
 122 gdb_expect {
 123     -re "Symbols from .*asm-source.*Entry point: 0x(\[01232456789abcdefABCDEF\]+).*$gdb_prompt $" {
 124         set entry_point $expect_out(1,string)
 125         pass "info target"
 126     }
 127     -re ".*$gdb_prompt $" {
 128         fail "info target"
 129     }
 130     timeout {
 131         fail "info target (timeout)"
 132     }
 133 }
 134
 135 # Capture the start symbol (may be '_start' or 'start')
 136 set entry_symbol ""
 137 send_gdb "info symbol 0x$entry_point\n"
 138 gdb_expect {
 139     -re "info symbol 0x$entry_point\[\r\n\]+(\[^\r\n\]*) in section .*$gdb_prompt $" {
 140         # We match the echoed `info symbol' command here, to help us
 141         # reliably identify the beginning of the start symbol in the
 142         # command's output.  You might think we could just use '^' to
 143         # start matching at the beginning of the line, but
 144         # unfortunately, in Expect, '^' matches the beginning of the
 145         # input that hasn't been matched by any expect clause yet.  If
 146         # every expect clause consumes a complete line, along with its
 147         # terminating CR/LF, this is equivalent to the beginning of a
 148         # line.  But expect clauses that end with `.*' will consume as
 149         # much as happened to arrive from the TTY --- exactly where
 150         # they leave you depends on inter-process timing.  :(
 151         set entry_symbol $expect_out(1,string)
 152         pass "info symbol"
 153     }
 154     -re ".*$gdb_prompt $" {
 155         fail "info symbol"
 156     }
 157     timeout {
 158         fail "info symbol (timeout)"
 159     }
 160 }
 161
 162 # Now try a 'list' from the other source file.
 163 gdb_test "list $entry_symbol" ".*gdbasm_startup.*" "list"
 164
 165 # Now try a source file search
 166 gdb_test "search A routine for foo2 to call" \
 167         "39\[ \t\]+comment \"A routine for foo2 to call.\"" "search"
 168
 169 # See if `f' prints the right source file.
 170 gdb_test "f" ".*asmsrc2\[.\]s:8.*" "f in foo2"
 171
 172 # `next' one insn (or macro) to set up our stackframe (for the following bt).
 173 gdb_test "n" "12\[      \]*.*foo3" "n in foo2"
 174
 175 # See if a simple `bt' prints the right source files and
 176 # doesn't fall off the stack.
 177
 178 gdb_test "bt 10" \
 179         "\#0.*foo2.*asmsrc2\[.\]s:12.*\#1.*main.*asmsrc1\[.\]s:33(.*\#2.*start\[^\r\n\]*)?" \
 180         "bt ALL in foo2"
 181
 182 # See if a capped `bt' prints the right source files.
 183 gdb_test "bt 2" "\#0.*foo2.*asmsrc2\[.\]s:12.*\#1.*main.*asmsrc1\[.\]s:33.*" "bt 2 in foo2"
 184
 185 # Step into another subroutine which lives back in the first source file.
 186 gdb_test "s" "" "s 2"
 187
 188 # Next over insns to set up the stack frame.
 189 gdb_test "n" "" "n 2"
 190
 191 # Now see if a capped `bt' is correct.
 192 gdb_test "bt 3" "\#0.*foo3.*asmsrc1\[.\]s:44.*\#1.*foo2.*asmsrc2\[.\]s:12.*\#2.*main.*asmsrc1\[.\]s:33.*" "bt 3 in foo3"
 193
 194 # Try 'info source' from asmsrc1.s
 195 gdb_test "info source" \
 196         "Current source file is .*asmsrc1.s.*Source language is asm.*" \
 197         "info source asmsrc1.s"
 198
 199 # Try 'finishing' from foo3
 200 gdb_test "finish" "Run till exit from.*\[\r\n\]13\[ \t\]+gdbasm_call foo3" \
 201         "finish from foo3"
 202
 203 # Try 'info source' from asmsrc2.s
 204 gdb_test "info source" \
 205         "Current source file is .*asmsrc2.s.*Source language is asm.*" \
 206         "info source asmsrc2.s"
 207
 208 # Try 'info sources'.  This can produce a lot of output on systems
 209 # with dynamic linking, where the system's shared libc was compiled
 210 # with debugging info; for example, on Linux, this produces 47kb of
 211 # output.  So we consume it as we go.
 212 send_gdb "info sources\n"
 213 set seen_asmsrc_1 0
 214 set seen_asmsrc_2 0
 215 gdb_expect {
 216     -re "^\[^,\]*asmsrc1.s(, |\[\r\n\]+)" {
 217         set seen_asmsrc_1 1
 218         exp_continue
 219     }
 220     -re "^\[^,\]*asmsrc2.s(, |\[\r\n\]+)" {
 221         set seen_asmsrc_2 1
 222         exp_continue
 223     }
 224     -re ", " {
 225         exp_continue
 226     }
 227     -re "$gdb_prompt $" {
 228         if {$seen_asmsrc_1 && $seen_asmsrc_2} {
 229             pass "info sources"
 230         } else {
 231             fail "info sources"
 232         }
 233     }
 234     timeout {
 235             fail "info sources (timeout)"
 236     }
 237 }
 238
 239
 240 # Try 'info line'
 241 gdb_test "info line" \
 242         "Line 13 of.*asmsrc2.s.*starts at.*<foo2+.*> and ends at.*<foo2+.*>." \
 243         "info line"
 244
 245 # Try 'nexting' over next call to foo3
 246 gdb_test "next" "17\[ \t\]+gdbasm_leave" "next over foo3"
 247
 248 # Try 'return' from foo2
 249 gdb_test "return" "\#0  main .*37\[ \t\]+gdbasm_exit0" "return from foo2" \
 250         "Make selected stack frame return now\?.*" "y"
 251
 252 # See if we can look at a global variable
 253 gdb_test "print globalvar" ".* = 11" "look at global variable"
 254
 255 # See if we can look at a static variable
 256 gdb_test "print staticvar" ".* = 5" "look at static variable"
 257
 258 # See if we can look at a static function
 259 gdb_test "disassem foostatic" ".*<foostatic>:.*End of assembler dump." \
 260         "look at static function"
 261