# Test that GDB properly ignores invalid stabs.
# Also test that GDB can debug a .o file, and that it doesn't mind
# a file that's more minimal than what a compiler normally puts out.
if $tracelevel then {
	strace $tracelevel
}

set prms_id 0
set bug_id 0

proc do_tests {} {
	global binfile
	global prompt

	# Mips/alpha targets that use gcc with mips-tfile put out the stabs
	# assembler directives embedded in comments. If the assembler
	# file is then processed with native cc, all stabs directives
	# will be lost.
	# Skip the rest of the stabs tests for this case.
	send "ptype inttype\n"
	expect {
		-re "^ptype inttype\r*\ntype = inttype.*$prompt $" {
			pass "stabs found"
		}
		-re ".*$prompt $" {
			setup_xfail "mips-*-*"
			setup_xfail "alpha-*-*"
			fail "stabs not found"
			return
		}
		default { fail "checking for stabs" }
	}

	print_weird_var var0
	print_weird_var var1
	print_weird_var var2
	print_weird_var var3

	print_weird_var attr32
	print_weird_var attr33
	print_weird_var attr35
	print_weird_var attr36
	print_weird_var attr37
	print_weird_var attr38
	print_weird_var attr39
	print_weird_var attr41
	print_weird_var attr42
	print_weird_var attr43
	print_weird_var attr44
	print_weird_var attr46
	print_weird_var attr47
	print_weird_var attr58
	print_weird_var attr59
	print_weird_var attr60
	print_weird_var attr61
	print_weird_var attr62
	print_weird_var attr63
	print_weird_var attr64
	print_weird_var attr65
	print_weird_var attr66
	print_weird_var attr67
	print_weird_var attr68
	print_weird_var attr69
	print_weird_var attr70
	print_weird_var attr71
	print_weird_var attr72
	print_weird_var attr73
	print_weird_var attr74
	print_weird_var attr75
	print_weird_var attr76
	print_weird_var attr77
	print_weird_var attr78
	print_weird_var attr79
	print_weird_var attr80
	print_weird_var attr81
	print_weird_var attr82
	print_weird_var attr83
	print_weird_var attr84
	print_weird_var attr85
	print_weird_var attr86
	print_weird_var attr87
	print_weird_var attr88
	print_weird_var attr89
	print_weird_var attr90
	print_weird_var attr91
	print_weird_var attr92
	print_weird_var attr93
	print_weird_var attr94
	print_weird_var attr95
	print_weird_var attr96
	print_weird_var attr97
	print_weird_var attr98
	print_weird_var attr99
	print_weird_var attr100
	print_weird_var attr101
	print_weird_var attr102
	print_weird_var attr103
	print_weird_var attr104
	print_weird_var attr105
	print_weird_var attr106
	print_weird_var attr107
	print_weird_var attr108
	print_weird_var attr109
	print_weird_var attr110
	print_weird_var attr111
	print_weird_var attr112
	print_weird_var attr113
	print_weird_var attr114
	print_weird_var attr115
	print_weird_var attr116
	print_weird_var attr117
	print_weird_var attr118
	print_weird_var attr119
	print_weird_var attr120
	print_weird_var attr121
	print_weird_var attr122
	print_weird_var attr123
	print_weird_var attr124
	print_weird_var attr125
	print_weird_var attr126

	gdb_test "p const69" " = 69" "'e' constant on non-enum type"
	gdb_test "whatis const69" "type = (unsigned int|inttype)" "whatis const69"

	gdb_test "p sizeof (const70)" " = 2" "'e' constant with embedded type"

	gdb_test "p bad_neg0" " = \{field0 = 42, field2 =.*field3 = 45\}" "p bad_neg0"

	gdb_test "ptype inttype" "type = (unsigned int|inttype)" "ptype on inttype"
	gdb_test "p sizeof (float72type)" " = 9" "unrecognized floating point type"

	# This big number needs to be kept as one piece
	gdb_test "p/x int256var" " = 0x0*2a0000002b0000002c0000002d0000002d0000002c0000002b0000002a" "print very big integer"

	gdb_test "whatis consth" "type = inttype" "whatis consth"
	gdb_test "whatis consth2" "type = inttype" "whatis consth2"

	# GDB does not yet understand S constants
	setup_xfail "*-*-*"
	gdb_test "p/x bad_neg0const" " = \{field0 = 0x11222211, field2 =.*\
field3 = 0x77888877\}" "print struct constant"

	gdb_test "ptype bad_type0" "type = .*" "print bad_type0"
	gdb_test "ptype bad_type1" "type = .*" "print bad_type1"

	# GDB does not yet support arrays indexed by anything at all unusual
	setup_xfail "*-*-*"
	gdb_test "p array0" " = \{42, 43, 44, 45, 46, 47\}" "array0 with strange index"
	setup_xfail "*-*-*"
	gdb_test "p array1" " = \{42, 43, 44\}" "array1 with strange index"

	# GDB does not yet support this feature
	gdb_test "whatis one_var" "type = inttype_one" \
	    "whatis one_var (known failure in gdb 4.10)"
	# But do make sure that it prints as something reasonable
	gdb_test "whatis one_var" "type = inttype(|_one)" \
	    "whatis one_var test 2"

	gdb_test "whatis two_var" "type = inttype_two" \
	    "whatis two_var (known failure in gdb 4.10)"
	# But do make sure that it prints as something reasonable
	gdb_test "whatis two_var" "type = inttype(|_two)" \
	    "whatis two_var test 2"

	setup_xfail "*-*-*"
	gdb_test "whatis pointer_to_int_var" "type = int \[*\]"
	setup_xfail "*-*-*"
	gdb_test "whatis intp_var" "type = intp"

	# xcoffread.c doesn't understand common blocks at all
	setup_xfail "rs6*-*-aix*"
	gdb_test "p common0var0" "= 42"
	# GDB seems to only understand common blocks local to a function.
	# These variables never get relocated to be relative to the common 
	# block.
	# I'm not sure whether it is valid to have a common block which
	# is not local to a function.
	setup_xfail "*-*-*"
	gdb_test "p common0var1" "= 24"
	setup_xfail "*-*-*"
	gdb_test "p common0var2" "= 22"

	# this long line must be continous, not with "/" escaping the newline
	gdb_test "p v_comb" "{<> = {<> = {x = 42}, \[_a-zA-Z$.\]* = \[0-9xa-fA-F\]*, a = 43}, <> = {\[_a-zA-Z$.\]* = \[0-9xa-fA-F\]*, b = 44}, comb = 45}"
}

proc print_weird_var { var } {
	global prompt

	# Make sure that the variable gets printed out correctly, without
	# any sort of warning message.
	send "print $var\n"
	expect {
		-re "^print $var\r*\n.\[0-9\]* = 42.*$prompt $" {
			pass "variable $var printed properly"
		}
		-re ".*$prompt $" {
			fail "variable $var not printed properly"
		}
		timeout { fail "variable $var not printed (timeout)" }
		eof { fail "(eof) variable $var not printed" }
	}

	# Make sure that the stabs did get loaded in a sensible way.
	# If somehow the stabs got skipped, then the above test can
	# pass because GDB assumes int for variables without a stab.

	# This doesn't work because 32=45 doesn't preserve the name in
	# gdb (as of 14 Sep 93 anyway).
	#gdb_test "whatis $var" "type = (unsigned int|inttype)"

	# But the size should be right.
	gdb_test "print sizeof ($var)" "= 4"
}

# Start with a fresh gdb

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir

# Don't use gdb_load; it doesn't bitch if the loading produced some
# error messages during symbol reading.
set binfile $objdir/$subdir/weird.o

if ![file exists $binfile] then {
	if $all_flag then {
		warning "$binfile does not exist; tests suppressed"
	}
} else {
	send "file $binfile\n"
	# If $binfile is very long, a \r (but not a \n) will echo in the
	# middle of the echo of the command.  So to match the echo, we
	# would like to match anything not containing \n
	# (we would prefer to be sure not to match any warning message).
	# But \[^\n\]* doesn't seem to work, so instead use the heuristic
	# that a filename won't contain a space and a warning message will.
	# But spaces following by backspaces aren't really spaces.
	expect {
		-re "^file (\[^ \]| +\008)*\r*\nReading symbols from $binfile\.\.\.done\.\r*\n$prompt $" {
			pass "weird.o read without error"
		}
		-re "A program is being debugged already.  Kill it\? \(y or n\)" {
		    send "y\n"
		    exp_continue
		}
		-re ".*$prompt $" {
			fail "Errors reading weird.o"
		}
		timeout {
			perror "couldn't load $binfile into $GDB (timed out)."
			return -1
		}
		eof { fail "(eof) cannot read weird.o" }
	}
	do_tests
}

return 0
