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 "d10v-*-*"] then {
  39     set asm-arch d10v
  40 }
  41 if [istarget "s390-*-*"] then {
  42     set asm-arch s390
  43 }
  44 if [istarget "i\[3456\]86-*-*"] then {
  45     set asm-arch i386
  46 }
  47 if [istarget "m32r*-*"] then {
  48     set asm-arch m32r
  49 }
  50 if [istarget "sparc-*-*"] then {
  51     set asm-arch sparc
  52 }
  53 if [istarget "xstormy16-*-*"] then {
  54     set asm-arch xstormy16
  55     set asm-flags "-gdwarf2 -I${srcdir}/${subdir} -I${objdir}/${subdir}"
  56 }
  57 if { "${asm-arch}" == "" } {
  58     gdb_suppress_entire_file "Assembly source test -- not implemented for this target."
  59 }
  60
  61 set testfile "asm-source"
  62 set binfile ${objdir}/${subdir}/${testfile}
  63 set src1 ${srcdir}/${subdir}/asmsrc1.s
  64 set src2 ${srcdir}/${subdir}/asmsrc2.s
  65
  66 if { "${asm-flags}" == "" } {
  67     #set asm-flags "-Wa,-gstabs,-I${srcdir}/${subdir},-I${objdir}/${subdir}"
  68     set asm-flags "-gstabs -I${srcdir}/${subdir} -I${objdir}/${subdir}"
  69 }
  70
  71 if {[target_assemble ${src1} asmsrc1.o "${asm-flags}"] != ""} then {
  72      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  73 }
  74 if {[target_assemble ${src2} asmsrc2.o "${asm-flags}"] != ""} then {
  75      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  76 }
  77
  78 set opts "debug ldflags=-nostartfiles"
  79 foreach i ${link-flags} {
  80     append opts " ldflags=$i"
  81 }
  82 if { [gdb_compile "asmsrc1.o asmsrc2.o" "${binfile}" executable $opts] != "" } {
  83      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  84 }
  85
  86 remote_exec build "mv asmsrc1.o asmsrc2.o ${objdir}/${subdir}"
  87
  88
  89 gdb_start
  90 gdb_reinitialize_dir $srcdir/$subdir
  91 gdb_load ${binfile}
  92
  93 #
  94 # Run to `main' where we begin our tests.
  95 #
  96
  97 if ![runto_main] then {
  98     gdb_suppress_tests
  99 }
 100
 101 # Execute the `f' command and see if the result includes source info.
 102 gdb_test "f" "asmsrc1\[.\]s:29.*several_nops" "f at main"
 103
 104 # See if we properly `next' over a macro with several insns.
 105 gdb_test "n" "33\[      \]*.*foo2" "next over macro"
 106
 107 # See if we can properly `step' into a subroutine call.
 108 gdb_test "s" "8\[       \]*.*" "step into foo2"
 109
 110 # Test 'info target', and incidentally capture the entry point address.
 111 set entry_point 0
 112 send_gdb "info target\n"
 113 gdb_expect {
 114     -re "Symbols from .*asm-source.*Entry point: 0x(\[01232456789abcdefABCDEF\]+).*$gdb_prompt $" {
 115         set entry_point $expect_out(1,string)
 116         pass "info target"
 117     }
 118     -re ".*$gdb_prompt $" {
 119         fail "info target"
 120     }
 121     timeout {
 122         fail "info target (timeout)"
 123     }
 124 }
 125
 126 # Capture the start symbol (may be '_start' or 'start')
 127 set entry_symbol ""
 128 send_gdb "info symbol 0x$entry_point\n"
 129 gdb_expect {
 130     -re "info symbol 0x$entry_point\[\r\n\]*" {
 131         exp_continue
 132     }
 133     -re "^(.*) in section .*$gdb_prompt $" {
 134         # It's important to anchor the pattern above at the beginning
 135         # of the line.  Without that carat, the (.*) may end up
 136         # matching the empty string.
 137         set entry_symbol $expect_out(1,string)
 138         pass "info symbol"
 139     }
 140     -re ".*$gdb_prompt $" {
 141         fail "info symbol"
 142     }
 143     timeout {
 144         fail "info symbol (timeout)"
 145     }
 146 }
 147
 148 # Now try a 'list' from the other source file.
 149 gdb_test "list $entry_symbol" ".*gdbasm_startup.*" "list"
 150
 151 # Now try a source file search
 152 gdb_test "search A routine for foo2 to call" \
 153         "39\[ \t\]+comment \"A routine for foo2 to call.\"" "search"
 154
 155 # See if `f' prints the right source file.
 156 gdb_test "f" ".*asmsrc2\[.\]s:8.*" "f in foo2"
 157
 158 # `next' one insn (or macro) to set up our stackframe (for the following bt).
 159 gdb_test "n" "12\[      \]*.*foo3" "n in foo2"
 160
 161 # See if a simple `bt' prints the right source files and
 162 # doesn't fall off the stack.
 163
 164 gdb_test "bt 10" \
 165         "\#0.*foo2.*asmsrc2\[.\]s:12.*\#1.*main.*asmsrc1\[.\]s:33(.*\#2.*start\[^\r\n\]*)?" \
 166         "bt ALL in foo2"
 167
 168 # See if a capped `bt' prints the right source files.
 169 gdb_test "bt 2" "\#0.*foo2.*asmsrc2\[.\]s:12.*\#1.*main.*asmsrc1\[.\]s:33.*" "bt 2 in foo2"
 170
 171 # Step into another subroutine which lives back in the first source file.
 172 gdb_test "s" "" "s 2"
 173
 174 # Next over insns to set up the stack frame.
 175 gdb_test "n" "" "n 2"
 176
 177 # Now see if a capped `bt' is correct.
 178 gdb_test "bt 3" "\#0.*foo3.*asmsrc1\[.\]s:44.*\#1.*foo2.*asmsrc2\[.\]s:12.*\#2.*main.*asmsrc1\[.\]s:33.*" "bt 3 in foo3"
 179
 180 # Try 'info source' from asmsrc1.s
 181 gdb_test "info source" \
 182         "Current source file is .*asmsrc1.s.*Source language is asm.*" \
 183         "info source asmsrc1.s"
 184
 185 # Try 'finishing' from foo3
 186 gdb_test "finish" "Run till exit from.*\[\r\n\]13\[ \t\]+gdbasm_call foo3" \
 187         "finish from foo3"
 188
 189 # Try 'info source' from asmsrc2.s
 190 gdb_test "info source" \
 191         "Current source file is .*asmsrc2.s.*Source language is asm.*" \
 192         "info source asmsrc2.s"
 193
 194 # Try 'info sources'
 195 gdb_test "info sources" \
 196         "Source files .*asmsrc\[12\].s.*asmsrc\[12\].s.*" \
 197         "info sources"
 198
 199 # Try 'info line'
 200 gdb_test "info line" \
 201         "Line 13 of.*asmsrc2.s.*starts at.*<foo2+.*> and ends at.*<foo2+.*>." \
 202         "info line"
 203
 204 # Try 'nexting' over next call to foo3
 205 gdb_test "next" "17\[ \t\]+gdbasm_leave" "next over foo3"
 206
 207 # Try 'return' from foo2
 208 gdb_test "return" "\#0  main .*37\[ \t\]+gdbasm_exit0" "return from foo2" \
 209         "Make selected stack frame return now\?.*" "y"
 210
 211 # See if we can look at a global variable
 212 gdb_test "print globalvar" ".* = 11" "look at global variable"
 213
 214 # See if we can look at a static variable
 215 gdb_test "print staticvar" ".* = 5" "look at static variable"
 216
 217 # See if we can look at a static function
 218 gdb_test "disassem foostatic" ".*<foostatic>:.*End of assembler dump." \
 219         "look at static function"
 220