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# Copyright 1998, 2005, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
load_lib "trace-support.exp"
if $tracelevel then {
strace $tracelevel
}
set testfile "collection"
set srcfile ${testfile}.c
set executable $testfile
set binfile $objdir/$subdir/$executable
if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
executable {debug nowarnings}] != "" } {
untested collection.exp
return -1
}
# Tests:
# 1) $args
# 2) function args by name
# 3) $locs
# 4) function locals by name
# 5) $regs
# 6) registers by name ($sp, $fp?)
# 7) globals by name
# 8) expressions (lots of different kinds: local and global)
set ws "\[\r\n\t \]+"
set cr "\[\r\n\]+"
if [istarget "x86_64-*"] then {
set fpreg "rbp"
set spreg "rsp"
set pcreg "rip"
} elseif [istarget "i?86-*"] then {
set fpreg "ebp"
set spreg "esp"
set pcreg "eip"
} else {
set fpreg "fp"
set spreg "sp"
set pcreg "pc"
}
#
# Utility procs
#
proc test_register { reg test_id } {
global cr
global gdb_prompt
gdb_test_multiple "print /x $reg" "" {
-re "\\$\[0-9\]+ = \[x0\]+$cr$gdb_prompt $" {
fail "collect $test_id: collected $reg (zero)"
}
-re "\\$\[0-9\]+ = \[x0-9a-fA-F\]+$cr$gdb_prompt $" {
pass "collect $test_id: collected $reg"
}
-re "\[Ee\]rror.*$gdb_prompt $" {
fail "collect $test_id: collected $reg (error)"
}
}
}
proc prepare_for_trace_test {} {
global executable
clean_restart $executable
runto_main
gdb_test "break begin" ".*" ""
gdb_test "break end" ".*" ""
}
proc run_trace_experiment { msg test_func } {
global gdb_prompt
gdb_test "continue" \
".*Breakpoint \[0-9\]+, begin .*" \
"collect $msg: advance to begin"
set test "collect $msg: start trace experiment"
gdb_test_multiple "tstart" "$test" {
-re "^tstart\r\n$gdb_prompt $" {
pass "$test"
}
}
gdb_test "continue" \
"Continuing.*Breakpoint \[0-9\]+, end.*" \
"collect $msg: run trace experiment"
gdb_test "tstop" \
"\[\r\n\]+" \
"collect $msg: stop trace experiment"
gdb_test "tfind start" \
"#0 $test_func .*" \
"collect $msg: tfind test frame"
}
#
# Test procs
#
proc gdb_collect_args_test { myargs msg } {
global cr
global gdb_prompt
prepare_for_trace_test
gdb_test "trace args_test_func" \
"Tracepoint \[0-9\]+ at .*" \
"collect $msg: set tracepoint"
gdb_trace_setactions "collect $msg: define actions" \
"" \
"collect $myargs" "^$"
# Begin the test.
run_trace_experiment $msg args_test_func
gdb_test "print argc" \
"\\$\[0-9\]+ = 1 '.001'$cr" \
"collect $msg: collected arg char"
gdb_test "print argi" \
"\\$\[0-9\]+ = 2$cr" \
"collect $msg: collected arg int"
gdb_test "print argf" \
"\\$\[0-9\]+ = 3.\[23\]\[0-9\]*$cr" \
"collect $msg: collected arg float"
gdb_test "print argd" \
"\\$\[0-9\]+ = 4.\[34\]\[0-9\]*$cr" \
"collect $msg: collected arg double"
# struct arg as one of several args (near end of list)
gdb_test "print argstruct.memberc" \
"\\$\[0-9\]+ = 101 'e'$cr" \
"collect $msg: collected arg struct member char"
gdb_test "print argstruct.memberi" \
"\\$\[0-9\]+ = 102$cr" \
"collect $msg: collected arg struct member int"
gdb_test "print argstruct.memberf" \
"\\$\[0-9\]+ = 103.\[23\]\[0-9\]*$cr" \
"collect $msg: collected arg struct member float"
gdb_test "print argstruct.memberd" \
"\\$\[0-9\]+ = 104.\[34\]\[0-9\]*$cr" \
"collect $msg: collected arg struct member double"
# array arg as one of several args (near end of list)
# It isn't clear why is the test assuming the array's elements are
# collected. In C, an array as function parameters is a special
# case; it's just a pointer into the caller's array, and as such,
# that's what normally the debug info describes. Maybe this was
# originaly written for a compiler where array parameters were
# really described as arrays in debug info.
setup_xfail "*-*-*"
gdb_test "print argarray\[0\]" \
"\\$\[0-9\]+ = 111$cr" \
"collect $msg: collected argarray #0"
setup_xfail "*-*-*"
gdb_test "print argarray\[1\]" \
"\\$\[0-9\]+ = 112$cr" \
"collect $msg: collected argarray #1"
setup_xfail "*-*-*"
gdb_test "print argarray\[2\]" \
"\\$\[0-9\]+ = 113$cr" \
"collect $msg: collected argarray #2"
setup_xfail "*-*-*"
gdb_test "print argarray\[3\]" \
"\\$\[0-9\]+ = 114$cr" \
"collect $msg: collected argarray #3"
gdb_test "tfind none" \
"#0 end .*" \
"collect $msg: cease trace debugging"
}
proc gdb_collect_argstruct_test { myargs msg } {
global cr
global gdb_prompt
prepare_for_trace_test
gdb_test "trace argstruct_test_func" \
"Tracepoint \[0-9\]+ at .*" \
"collect $msg: set tracepoint"
gdb_trace_setactions "collect $msg: define actions" \
"" \
"collect $myargs" "^$"
# Begin the test.
run_trace_experiment $msg argstruct_test_func
# struct argument as only argument
gdb_test "print argstruct.memberc" \
"\\$\[0-9\]+ = 101 'e'$cr" \
"collect $msg: collected arg struct member char"
gdb_test "print argstruct.memberi" \
"\\$\[0-9\]+ = 102$cr" \
"collect $msg: collected arg struct member int"
gdb_test "print argstruct.memberf" \
"\\$\[0-9\]+ = 103.\[23\]\[0-9\]*$cr" \
"collect $msg: collected arg struct member float"
gdb_test "print argstruct.memberd" \
"\\$\[0-9\]+ = 104.\[34\]\[0-9\]*$cr" \
"collect $msg: collected arg struct member double"
gdb_test "tfind none" \
"#0 end .*" \
"collect $msg: cease trace debugging"
}
proc gdb_collect_argarray_test { myargs msg } {
global cr
global gdb_prompt
prepare_for_trace_test
gdb_test "trace argarray_test_func" \
"Tracepoint \[0-9\]+ at .*" \
"collect $msg: set tracepoint"
gdb_trace_setactions "collect $msg: define actions" \
"" \
"collect $myargs" "^$"
# Begin the test.
run_trace_experiment $msg argarray_test_func
# array arg as only argument
# It isn't clear why is the test assuming the array's elements are
# collected. In C, an array as function parameters is a special
# case; it's just a pointer into the caller's array, and as such,
# that's what normally the debug info describes. Maybe this was
# originaly written for a compiler where array parameters were
# really described as arrays in debug info.
setup_xfail "*-*-*"
gdb_test "print argarray\[0\]" \
"\\$\[0-9\]+ = 111$cr" \
"collect $msg: collected argarray #0"
setup_xfail "*-*-*"
gdb_test "print argarray\[1\]" \
"\\$\[0-9\]+ = 112$cr" \
"collect $msg: collected argarray #1"
setup_xfail "*-*-*"
gdb_test "print argarray\[2\]" \
"\\$\[0-9\]+ = 113$cr" \
"collect $msg: collected argarray #2"
setup_xfail "*-*-*"
gdb_test "print argarray\[3\]" \
"\\$\[0-9\]+ = 114$cr" \
"collect $msg: collected argarray #3"
gdb_test "tfind none" \
"#0 end .*" \
"collect $msg: cease trace debugging"
}
proc gdb_collect_locals_test { func mylocs msg } {
global cr
global gdb_prompt
prepare_for_trace_test
# Find the comment-identified line for setting this tracepoint.
set testline 0
gdb_test_multiple "list $func, +30" "collect $msg: find tracepoint line" {
-re "\[\r\n\](\[0-9\]+)\[^\r\n\]+ Set_Tracepoint_Here .*$gdb_prompt" {
set testline $expect_out(1,string)
pass "collect $msg: find tracepoint line"
}
-re ".*$gdb_prompt " {
fail "collect $msg: find tracepoint line (skipping locals test)"
return
}
timeout {
fail "collect $msg: find tracepoint line (skipping locals test)"
return
}
}
gdb_test "trace $testline" \
"Tracepoint \[0-9\]+ at .*" \
"collect $msg: set tracepoint"
gdb_trace_setactions "collect $msg: define actions" \
"" \
"collect $mylocs" "^$"
# Begin the test.
run_trace_experiment $msg $func
gdb_test "print locc" \
"\\$\[0-9\]+ = 11 '.\[a-z0-7\]+'$cr" \
"collect $msg: collected local char"
gdb_test "print loci" \
"\\$\[0-9\]+ = 12$cr" \
"collect $msg: collected local int"
gdb_test "print locf" \
"\\$\[0-9\]+ = 13.\[23\]\[0-9\]*$cr" \
"collect $msg: collected local float"
gdb_test "print locd" \
"\\$\[0-9\]+ = 14.\[34\]\[0-9\]*$cr" \
"collect $msg: collected local double"
gdb_test "print locst.memberc" \
"\\$\[0-9\]+ = 15 '.017'$cr" \
"collect $msg: collected local member char"
gdb_test "print locst.memberi" \
"\\$\[0-9\]+ = 16$cr" \
"collect $msg: collected local member int"
gdb_test "print locst.memberf" \
"\\$\[0-9\]+ = 17.\[67\]\[0-9\]*$cr" \
"collect $msg: collected local member float"
gdb_test "print locst.memberd" \
"\\$\[0-9\]+ = 18.\[78\]\[0-9\]*$cr" \
"collect $msg: collected local member double"
gdb_test "print locar\[0\]" \
"\\$\[0-9\]+ = 121$cr" \
"collect $msg: collected locarray #0"
gdb_test "print locar\[1\]" \
"\\$\[0-9\]+ = 122$cr" \
"collect $msg: collected locarray #1"
gdb_test "print locar\[2\]" \
"\\$\[0-9\]+ = 123$cr" \
"collect $msg: collected locarray #2"
gdb_test "print locar\[3\]" \
"\\$\[0-9\]+ = 124$cr" \
"collect $msg: collected locarray #3"
gdb_test "tfind none" \
"#0 end .*" \
"collect $msg: cease trace debugging"
}
proc gdb_collect_registers_test { myregs } {
global cr
global gdb_prompt
global fpreg
global spreg
global pcreg
prepare_for_trace_test
# We'll simply re-use the args_test_function for this test
gdb_test "trace args_test_func" \
"Tracepoint \[0-9\]+ at .*" \
"collect $myregs: set tracepoint"
gdb_trace_setactions "collect $myregs: define actions" \
"" \
"collect $myregs" "^$"
# Begin the test.
run_trace_experiment $myregs args_test_func
test_register "\$$fpreg" $myregs
test_register "\$$spreg" $myregs
test_register "\$$pcreg" $myregs
gdb_test "tfind none" \
"#0 end .*" \
"collect $myregs: cease trace debugging"
}
proc gdb_collect_expression_test { func expr val msg } {
global cr
global gdb_prompt
prepare_for_trace_test
# Find the comment-identified line for setting this tracepoint.
set testline 0
gdb_test_multiple "list $func, +30" "collect $msg: find tracepoint line" {
-re "\[\r\n\](\[0-9\]+)\[^\r\n\]+ Set_Tracepoint_Here .*$gdb_prompt" {
set testline $expect_out(1,string)
pass "collect $msg: find tracepoint line"
}
-re ".*$gdb_prompt " {
fail "collect $msg: find tracepoint line (skipping locals test)"
return
}
timeout {
fail "collect $msg: find tracepoint line (skipping locals test)"
return
}
}
gdb_test "trace $testline" \
"Tracepoint \[0-9\]+ at .*" \
"collect $msg: set tracepoint"
gdb_trace_setactions "collect $msg: define actions" \
"" \
"collect $expr" "^$"
# Begin the test.
run_trace_experiment $msg $func
gdb_test "print $expr" \
"\\$\[0-9\]+ = $val$cr" \
"collect $msg: got expected value '$val'"
gdb_test "tfind none" \
"#0 end .*" \
"collect $msg: cease trace debugging"
}
proc gdb_collect_globals_test { } {
global cr
global gdb_prompt
prepare_for_trace_test
# Find the comment-identified line for setting this tracepoint.
set testline 0
gdb_test_multiple "list globals_test_func, +30" "collect globals: find tracepoint line" {
-re "\[\r\n\](\[0-9\]+)\[^\r\n\]+ Set_Tracepoint_Here .*$gdb_prompt" {
set testline $expect_out(1,string)
pass "collect globals: find tracepoint line"
}
-re ".*$gdb_prompt " {
fail "collect globals: find tracepoint line (skipping global test)"
return
}
timeout {
fail "collect globals: find tracepoint line (skipping global test)"
return
}
}
gdb_test "trace $testline" \
"Tracepoint \[0-9\]+ at .*" \
"collect globals: set tracepoint"
gdb_trace_setactions "collect globals: define actions" \
"" \
"collect globalc, globali, globalf, globald" "^$" \
"collect globalstruct, globalp, globalarr" "^$"
# Begin the test.
run_trace_experiment "globals" globals_test_func
gdb_test "print globalc" \
"\\$\[0-9\]+ = 71 'G'$cr" \
"collect globals: collected global char"
gdb_test "print globali" \
"\\$\[0-9\]+ = 72$cr" \
"collect globals: collected global int"
gdb_test "print globalf" \
"\\$\[0-9\]+ = 73.\[23\]\[0-9\]*$cr" \
"collect globals: collected global float"
gdb_test "print globald" \
"\\$\[0-9\]+ = 74.\[34\]\[0-9\]*$cr" \
"collect globals: collected global double"
gdb_test "print globalstruct.memberc" \
"\\$\[0-9\]+ = 81 'Q'$cr" \
"collect globals: collected struct char member"
gdb_test "print globalstruct.memberi" \
"\\$\[0-9\]+ = 82$cr" \
"collect globals: collected struct member int"
gdb_test "print globalstruct.memberf" \
"\\$\[0-9\]+ = 83.\[23\]\[0-9\]*$cr" \
"collect globals: collected struct member float"
gdb_test "print globalstruct.memberd" \
"\\$\[0-9\]+ = 84.\[34\]\[0-9\]*$cr" \
"collect globals: collected struct member double"
gdb_test "print globalp == &globalstruct" \
"\\$\[0-9\]+ = 1$cr" \
"collect globals: collected global pointer"
gdb_test "print globalarr\[1\]" \
"\\$\[0-9\]+ = 1$cr" \
"collect globals: collected global array element #1"
gdb_test "print globalarr\[2\]" \
"\\$\[0-9\]+ = 2$cr" \
"collect globals: collected global array element #2"
gdb_test "print globalarr\[3\]" \
"\\$\[0-9\]+ = 3$cr" \
"collect globals: collected global array element #3"
gdb_test "tfind none" \
"#0 end .*" \
"collect globals: cease trace debugging"
}
proc gdb_trace_collection_test {} {
global fpreg
global spreg
global pcreg
gdb_collect_args_test "\$args" \
"args collectively"
gdb_collect_args_test "argc, argi, argf, argd, argstruct, argarray" \
"args individually"
gdb_collect_argstruct_test "\$args" \
"argstruct collectively"
gdb_collect_argstruct_test "argstruct" \
"argstruct individually"
gdb_collect_argarray_test "\$args" \
"argarray collectively"
gdb_collect_argarray_test "argarray" \
"argarray individually"
gdb_collect_locals_test local_test_func "\$locals" \
"auto locals collectively"
gdb_collect_locals_test local_test_func \
"locc, loci, locf, locd, locst, locar" \
"auto locals individually"
gdb_collect_locals_test reglocal_test_func "\$locals" \
"register locals collectively"
gdb_collect_locals_test reglocal_test_func \
"locc, loci, locf, locd, locst, locar" \
"register locals individually"
gdb_collect_locals_test statlocal_test_func "\$locals" \
"static locals collectively"
gdb_collect_locals_test statlocal_test_func \
"locc, loci, locf, locd, locst, locar" \
"static locals individually"
gdb_collect_registers_test "\$regs"
gdb_collect_registers_test "\$$fpreg, \$$spreg, \$$pcreg"
gdb_collect_globals_test
#
# Expression tests:
#
# *x (**x, ...)
# x.y (x.y.z, ...)
# x->y (x->y->z, ...)
# x[2] (x[2][3], ...) (const index)
# x[y] (x[y][z], ...) (index to be char, short, long, float, double)
# NOTE:
# We test the following operators by using them in an array index
# expression -- because the naked result of an operator is not really
# collected. To be sure the operator was evaluated correctly on the
# target, we have to actually use the result eg. in an array offset
# calculation.
# x[y + z] (tests addition: y and z various combos of types, sclasses)
# x[y - z] (tests subtraction) (ditto)
# x[y * z] (tests multiplication) (ditto)
# x[y / z] (tests division) (ditto)
# x[y % z] (tests modulo division) (ditto)
# x[y == z] (tests equality relation) (ditto) UNSUPPORTED
# x[y != z] (tests inequality relation) (ditto) UNSUPPORTED
# x[y > z] (tests greater-than relation) (ditto) UNSUPPORTED
# x[y < z] (tests less-than relation) (ditto) UNSUPPORTED
# x[y >= z] (tests greater-than-or-equal relation) (ditto) UNSUPPORTED
# x[y <= z] (tests less-than-or-equal relation) (ditto) UNSUPPORTED
# x[y && z] (tests logical and) (ditto) UNSUPPORTED
# x[y || z] (tests logical or) (ditto) UNSUPPORTED
# x[y & z] (tests binary and) (ditto) UNSUPPORTED
# x[y | z] (tests binary or) (ditto) UNSUPPORTED
# x[y ^ z] (tests binary xor) (ditto) UNSUPPORTED
# x[y ? z1 : z2] (tests ternary operator) (ditto) UNSUPPORTED
# x[y << z] (tests shift-left) (ditto) UNSUPPORTED
# x[y >> z] (tests shift-right) (ditto) UNSUPPORTED
# x[y = z] (tests assignment operator) (ditto) UNSUPPORTED
# x[++y] (tests pre-increment operator) (ditto) UNSUPPORTED
# x[--y] (tests pre-decrement operator) (ditto) UNSUPPORTED
# x[y++] (tests post-increment operator) (ditto) UNSUPPORTED
# x[y--] (tests post-decrement operator) (ditto) UNSUPPORTED
# x[+y] (tests unary plus) (ditto)
# x[-y] (tests unary minus) (ditto)
# x[!y] (tests logical not) (ditto) UNSUPPORTED
# x[~y] (tests binary not) (ditto) UNSUPPORTED
# x[(y, z)] (tests comma expression) (ditto)
# cast expr
# stack data
gdb_collect_expression_test globals_test_func \
"globalstruct.memberi" "82" "a.b"
gdb_collect_expression_test globals_test_func \
"globalp->memberc" "81 'Q'" "a->b"
gdb_collect_expression_test globals_test_func \
"globalarr\[2\]" "2" "a\[2\]"
gdb_collect_expression_test globals_test_func \
"globalarr\[l3\]" "3" "a\[b\]"
gdb_collect_expression_test globals_test_func \
"globalarr\[l3 + l2\]" "5" "a\[b + c\]"
gdb_collect_expression_test globals_test_func \
"globalarr\[l3 - l2\]" "1" "a\[b - c\]"
gdb_collect_expression_test globals_test_func \
"globalarr\[l3 * l2\]" "6" "a\[b * c\]"
gdb_collect_expression_test globals_test_func \
"globalarr\[l6 / l3\]" "2" "a\[b / c\]"
gdb_collect_expression_test globals_test_func \
"globalarr\[l7 % l3\]" "1" "a\[b % c\]"
gdb_collect_expression_test globals_test_func \
"globalarr\[+l1\]" "1" "a\[+b\]"
gdb_collect_expression_test globals_test_func \
"globalarr\[-lminus\]" "2" "a\[-b\]"
gdb_collect_expression_test globals_test_func \
"globalarr\[\(l6, l7\)\]" "7" "a\[\(b, c\)\]"
}
clean_restart $executable
runto_main
# We generously give ourselves one "pass" if we successfully
# detect that this test cannot be run on this target!
if { ![gdb_target_supports_trace] } then {
pass "Current target does not support trace"
return 1;
}
# Body of test encased in a proc so we can return prematurely.
gdb_trace_collection_test
# Finished!
gdb_test "tfind none" ".*" ""
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