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 "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 set insn_file ${srcdir}/${subdir}/${asm-arch}.inc
  76 remote_exec build "rm -f ${objdir}/${subdir}/arch.inc"
  77 remote_exec build "ln -s ${insn_file} ${objdir}/${subdir}/arch.inc"
  78
  79 if { "${asm-flags}" == "" } {
  80     #set asm-flags "-Wa,-gstabs,-I${srcdir}/${subdir},-I${objdir}/${subdir}"
  81     set asm-flags "-gstabs -I${srcdir}/${subdir} -I${objdir}/${subdir}"
  82 }
  83
  84 if {[target_assemble ${src1} asmsrc1.o "${asm-flags}"] != ""} then {
  85      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  86 }
  87 if {[target_assemble ${src2} asmsrc2.o "${asm-flags}"] != ""} then {
  88      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  89 }
  90
  91 set opts "debug ldflags=-nostartfiles"
  92 foreach i ${link-flags} {
  93     append opts " ldflags=$i"
  94 }
  95 if { [gdb_compile "asmsrc1.o asmsrc2.o" "${binfile}" executable $opts] != "" } {
  96      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  97 }
  98
  99 remote_exec build "mv asmsrc1.o asmsrc2.o ${objdir}/${subdir}"
 100
 101
 102 gdb_start
 103 gdb_reinitialize_dir $srcdir/$subdir
 104 gdb_load ${binfile}
 105
 106 #
 107 # Run to `main' where we begin our tests.
 108 #
 109
 110 if ![runto_main] then {
 111     gdb_suppress_tests
 112 }
 113
 114 # Execute the `f' command and see if the result includes source info.
 115 gdb_test "f" "asmsrc1\[.\]s:29.*several_nops" "f at main"
 116
 117 # See if we properly `next' over a macro with several insns.
 118 gdb_test "n" "33\[      \]*.*foo2" "next over macro"
 119
 120 # See if we can properly `step' into a subroutine call.
 121 gdb_test "s" "8\[       \]*.*" "step into foo2"
 122
 123 # Test 'info target', and incidentally capture the entry point address.
 124 set entry_point 0
 125 send_gdb "info target\n"
 126 gdb_expect {
 127     -re "Symbols from .*asm-source.*Entry point: 0x(\[01232456789abcdefABCDEF\]+).*$gdb_prompt $" {
 128         set entry_point $expect_out(1,string)
 129         pass "info target"
 130     }
 131     -re ".*$gdb_prompt $" {
 132         fail "info target"
 133     }
 134     timeout {
 135         fail "info target (timeout)"
 136     }
 137 }
 138
 139 # Capture the start symbol (may be '_start' or 'start')
 140 set entry_symbol ""
 141 send_gdb "info symbol 0x$entry_point\n"
 142 gdb_expect {
 143     -re "info symbol 0x$entry_point\[\r\n\]+(\[^\r\n\]*) in section .*$gdb_prompt $" {
 144         # We match the echoed `info symbol' command here, to help us
 145         # reliably identify the beginning of the start symbol in the
 146         # command's output.  You might think we could just use '^' to
 147         # start matching at the beginning of the line, but
 148         # unfortunately, in Expect, '^' matches the beginning of the
 149         # input that hasn't been matched by any expect clause yet.  If
 150         # every expect clause consumes a complete line, along with its
 151         # terminating CR/LF, this is equivalent to the beginning of a
 152         # line.  But expect clauses that end with `.*' will consume as
 153         # much as happened to arrive from the TTY --- exactly where
 154         # they leave you depends on inter-process timing.  :(
 155         set entry_symbol $expect_out(1,string)
 156         pass "info symbol"
 157     }
 158     -re ".*$gdb_prompt $" {
 159         fail "info symbol"
 160     }
 161     timeout {
 162         fail "info symbol (timeout)"
 163     }
 164 }
 165
 166 # Now try a 'list' from the other source file.
 167 gdb_test "list $entry_symbol" ".*gdbasm_startup.*" "list"
 168
 169 # Now try a source file search
 170 gdb_test "search A routine for foo2 to call" \
 171         "39\[ \t\]+comment \"A routine for foo2 to call.\"" "search"
 172
 173 # See if `f' prints the right source file.
 174 gdb_test "f" ".*asmsrc2\[.\]s:8.*" "f in foo2"
 175
 176 # `next' one insn (or macro) to set up our stackframe (for the following bt).
 177 gdb_test "n" "12\[      \]*.*foo3" "n in foo2"
 178
 179 # See if a simple `bt' prints the right source files and
 180 # doesn't fall off the stack.
 181
 182 gdb_test "bt 10" \
 183         "\#0.*foo2.*asmsrc2\[.\]s:12.*\#1.*main.*asmsrc1\[.\]s:33(.*\#2.*start\[^\r\n\]*)?" \
 184         "bt ALL in foo2"
 185
 186 # See if a capped `bt' prints the right source files.
 187 gdb_test "bt 2" "\#0.*foo2.*asmsrc2\[.\]s:12.*\#1.*main.*asmsrc1\[.\]s:33.*" "bt 2 in foo2"
 188
 189 # Step into another subroutine which lives back in the first source file.
 190 gdb_test "s" "" "s 2"
 191
 192 # Next over insns to set up the stack frame.
 193 gdb_test "n" "" "n 2"
 194
 195 # Now see if a capped `bt' is correct.
 196 gdb_test "bt 3" "\#0.*foo3.*asmsrc1\[.\]s:44.*\#1.*foo2.*asmsrc2\[.\]s:12.*\#2.*main.*asmsrc1\[.\]s:33.*" "bt 3 in foo3"
 197
 198 # Try 'info source' from asmsrc1.s
 199 gdb_test "info source" \
 200         "Current source file is .*asmsrc1.s.*Source language is asm.*" \
 201         "info source asmsrc1.s"
 202
 203 # Try 'finishing' from foo3
 204 gdb_test "finish" "Run till exit from.*\[\r\n\]13\[ \t\]+gdbasm_call foo3" \
 205         "finish from foo3"
 206
 207 # Try 'info source' from asmsrc2.s
 208 gdb_test "info source" \
 209         "Current source file is .*asmsrc2.s.*Source language is asm.*" \
 210         "info source asmsrc2.s"
 211
 212 # Try 'info sources'.  This can produce a lot of output on systems
 213 # with dynamic linking, where the system's shared libc was compiled
 214 # with debugging info; for example, on Linux, this produces 47kb of
 215 # output.  So we consume it as we go.
 216 send_gdb "info sources\n"
 217 set seen_asmsrc_1 0
 218 set seen_asmsrc_2 0
 219 gdb_expect {
 220     -re "^\[^,\]*asmsrc1.s(, |\[\r\n\]+)" {
 221         set seen_asmsrc_1 1
 222         exp_continue
 223     }
 224     -re "^\[^,\]*asmsrc2.s(, |\[\r\n\]+)" {
 225         set seen_asmsrc_2 1
 226         exp_continue
 227     }
 228     -re ", " {
 229         exp_continue
 230     }
 231     -re "$gdb_prompt $" {
 232         if {$seen_asmsrc_1 && $seen_asmsrc_2} {
 233             pass "info sources"
 234         } else {
 235             fail "info sources"
 236         }
 237     }
 238     timeout {
 239             fail "info sources (timeout)"
 240     }
 241 }
 242
 243
 244 # Try 'info line'
 245 gdb_test "info line" \
 246         "Line 13 of.*asmsrc2.s.*starts at.*<foo2+.*> and ends at.*<foo2+.*>." \
 247         "info line"
 248
 249 # Try 'nexting' over next call to foo3
 250 gdb_test "next" "17\[ \t\]+gdbasm_leave" "next over foo3"
 251
 252 # Try 'return' from foo2
 253 gdb_test "return" "\#0  main .*37\[ \t\]+gdbasm_exit0" "return from foo2" \
 254         "Make selected stack frame return now\?.*" "y"
 255
 256 # See if we can look at a global variable
 257 gdb_test "print globalvar" ".* = 11" "look at global variable"
 258
 259 # See if we can look at a static variable
 260 gdb_test "print staticvar" ".* = 5" "look at static variable"
 261
 262 # See if we can look at a static function
 263 gdb_test "disassem foostatic" ".*<foostatic>:.*End of assembler dump." \
 264         "look at static function"
 265