# This testcase is part of GDB, the GNU debugger.
#
-# Copyright 2013 Free Software Foundation, Inc.
+# Copyright 2013-2016 Free Software Foundation, Inc.
#
# Contributed by Intel Corp. <markus.t.metzger@intel.com>
#
# check for btrace support
if { [skip_btrace_tests] } { return -1 }
-# start inferior
-standard_testfile x86-record_goto.S
-
+# The "record goto" command jumps to a specific instruction in the execution
+# trace. To guarantee that we always get the same execution trace, we use
+# an assembly source file.
+#
+# We use different assembly sources based on the target architecture.
+#
+# Luckily, they are similar enough that a single test script can handle
+# both.
set opts {}
if [info exists COMPILE] {
# make check RUNTESTFLAGS="gdb.btrace/record_goto.exp COMPILE=1"
standard_testfile record_goto.c
lappend opts debug
-} elseif { ![istarget x86_64-*-* ] || ![is_lp64_target] } {
+} elseif {[istarget "i?86-*-*"] || [istarget "x86_64-*-*"]} {
+ if {[is_amd64_regs_target]} {
+ standard_testfile x86_64-record_goto.S
+ } else {
+ standard_testfile i686-record_goto.S
+ }
+} else {
verbose "Skipping ${testfile}."
- return
+ return -1
}
-if [prepare_for_testing record_goto.exp $testfile $srcfile $opts] {
+if [prepare_for_testing "failed to prepare" $testfile $srcfile $opts] {
return -1
}
if ![runto_main] {
gdb_test "next"
# start by listing all functions
-gdb_test "record function-call-history /ci 1, +20" [join [list \
- "1\tfun4\tinst 1,3" \
- "2\t fun1\tinst 4,7" \
- "3\tfun4\tinst 8,8" \
- "4\t fun2\tinst 9,11" \
- "5\t fun1\tinst 12,15" \
- "6\t fun2\tinst 16,17" \
- "7\tfun4\tinst 18,18" \
- "8\t fun3\tinst 19,21" \
- "9\t fun1\tinst 22,25" \
- "10\t fun3\tinst 26,26" \
- "11\t fun2\tinst 27,29" \
- "12\t fun1\tinst 30,33" \
- "13\t fun2\tinst 34,35" \
- "14\t fun3\tinst 36,37" \
- "15\tfun4\tinst 38,39" \
- ] "\r\n"]
+gdb_test "record function-call-history /ci 1, +20" [multi_line \
+ "1\tmain\tinst 1,1" \
+ "2\t fun4\tinst 2,4" \
+ "3\t fun1\tinst 5,8" \
+ "4\t fun4\tinst 9,9" \
+ "5\t fun2\tinst 10,12" \
+ "6\t fun1\tinst 13,16" \
+ "7\t fun2\tinst 17,18" \
+ "8\t fun4\tinst 19,19" \
+ "9\t fun3\tinst 20,22" \
+ "10\t fun1\tinst 23,26" \
+ "11\t fun3\tinst 27,27" \
+ "12\t fun2\tinst 28,30" \
+ "13\t fun1\tinst 31,34" \
+ "14\t fun2\tinst 35,36" \
+ "15\t fun3\tinst 37,38" \
+ "16\t fun4\tinst 39,40" \
+ ]
# let's see if we can go back in history
-gdb_test "record goto 18" ".*fun4 \\(\\) at record_goto.c:43.*"
+gdb_test "record goto 19" ".*fun4 \\(\\) at record_goto.c:43.*"
# the function call history should start at the new location
-gdb_test "record function-call-history /ci" [join [list \
- "7\tfun4\tinst 18,18" \
- "8\t fun3\tinst 19,21" \
- "9\t fun1\tinst 22,25" \
- ] "\r\n"] "function-call-history from 18 forwards"
+gdb_test "record function-call-history /ci" [multi_line \
+ "8\t fun4\tinst 19,19" \
+ "9\t fun3\tinst 20,22" \
+ "10\t fun1\tinst 23,26" \
+ ] "function-call-history from 19 forwards"
# the instruction history should start at the new location
-gdb_test "record instruction-history" [join [list \
- "18.*" \
+gdb_test "record instruction-history" [multi_line \
"19.*" \
"20.*" \
- ] "\r\n"] "instruction-history from 18 forwards"
+ "21.*" \
+ ] "instruction-history from 19 forwards"
# let's go to another place in the history
-gdb_test "record goto 26" ".*fun3 \\(\\) at record_goto.c:35.*"
+gdb_test "record goto 27" ".*fun3 \\(\\) at record_goto.c:35.*"
+
+# check the back trace at that location
+gdb_test "backtrace" [multi_line \
+ "#0.*fun3.*at record_goto.c:35.*" \
+ "#1.*fun4.*at record_goto.c:43.*" \
+ "#2.*main.*at record_goto.c:49.*" \
+ "Backtrace stopped: not enough registers or memory available to unwind further" \
+ ]
+
+# walk the backtrace
+gdb_test "up" ".*fun4.*at record_goto.c:43.*" "up to fun4"
+gdb_test "up" ".*main.*at record_goto.c:49.*" "up to main"
# the function call history should start at the new location
-gdb_test "record function-call-history /ci -" [join [list \
- "8\t fun3\tinst 19,21" \
- "9\t fun1\tinst 22,25" \
- "10\t fun3\tinst 26,26\r" \
- ] "\r\n"] "function-call-history from 26 backwards"
+gdb_test "record function-call-history /ci -" [multi_line \
+ "9\t fun3\tinst 20,22" \
+ "10\t fun1\tinst 23,26" \
+ "11\t fun3\tinst 27,27" \
+ ] "function-call-history from 27 backwards"
# the instruction history should start at the new location
-gdb_test "record instruction-history -" [join [list \
- "24.*" \
+gdb_test "record instruction-history -" [multi_line \
"25.*" \
- "26.*\r" \
- ] "\r\n"] "instruction-history from 26 backwards"
+ "26.*" \
+ "27.*" \
+ ] "instruction-history from 27 backwards"
# test that we can go to the begin of the trace
-gdb_test "record goto begin" ".*fun4 \\(\\) at record_goto.c:40.*"
+gdb_test "record goto begin" ".*main \\(\\) at record_goto.c:49.*"
# check that we're filling up the context correctly
-gdb_test "record function-call-history /ci -" [join [list \
- "1\tfun4\tinst 1,3" \
- "2\t fun1\tinst 4,7" \
- "3\tfun4\tinst 8,8" \
- ] "\r\n"] "function-call-history from begin backwards"
+gdb_test "record function-call-history /ci -" [multi_line \
+ "1\tmain\tinst 1,1" \
+ "2\t fun4\tinst 2,4" \
+ "3\t fun1\tinst 5,8" \
+ ] "function-call-history from begin backwards"
# check that we're filling up the context correctly
-gdb_test "record instruction-history -" [join [list \
+gdb_test "record instruction-history -" [multi_line \
"1.*" \
"2.*" \
"3.*" \
- ] "\r\n"] "instruction-history from begin backwards"
+ ] "instruction-history from begin backwards"
# we should get the exact same history from the first instruction
gdb_test "record goto 2" ".*fun4 \\(\\) at record_goto.c:40.*"
# check that we're filling up the context correctly
-gdb_test "record function-call-history /ci -" [join [list \
- "1\tfun4\tinst 1,3" \
- "2\t fun1\tinst 4,7" \
- "3\tfun4\tinst 8,8" \
- ] "\r\n"] "function-call-history from 2 backwards"
+gdb_test "record function-call-history /ci -" [multi_line \
+ "1\tmain\tinst 1,1" \
+ "2\t fun4\tinst 2,4" \
+ "3\t fun1\tinst 5,8\r" \
+ ] "function-call-history from 2 backwards"
# check that we're filling up the context correctly
-gdb_test "record instruction-history -" [join [list \
+gdb_test "record instruction-history -" [multi_line \
"1.*" \
"2.*" \
"3.*" \
- ] "\r\n"] "instruction-history from 2 backwards"
+ ] "instruction-history from 2 backwards"
# check that we can go to the end of the trace
gdb_test "record goto end" ".*main \\(\\) at record_goto.c:50.*"
# check that we're filling up the context correctly
-gdb_test "record function-call-history /ci" [join [list \
- "13\t fun2\tinst 34,35" \
- "14\t fun3\tinst 36,37" \
- "15\tfun4\tinst 38,39" \
- ] "\r\n"] "function-call-history from end forwards"
+gdb_test "record function-call-history /ci" [multi_line \
+ "14\t fun2\tinst 35,36" \
+ "15\t fun3\tinst 37,38" \
+ "16\t fun4\tinst 39,40" \
+ ] "function-call-history from end forwards"
# check that we're filling up the context correctly
-gdb_test "record instruction-history" [join [list \
- "37.*" \
+gdb_test "record instruction-history" [multi_line \
"38.*" \
"39.*" \
- ] "\r\n"] "instruction-history from end forwards"
+ "40.*\r" \
+ ] "instruction-history from end forwards"
# we should get the exact same history from the second to last instruction
-gdb_test "record goto 38" ".*fun4 \\(\\) at record_goto.c:44.*"
+gdb_test "record goto 39" ".*fun4 \\(\\) at record_goto.c:44.*"
# check that we're filling up the context correctly
-gdb_test "record function-call-history /ci" [join [list \
- "13\t fun2\tinst 34,35" \
- "14\t fun3\tinst 36,37" \
- "15\tfun4\tinst 38,39" \
- ] "\r\n"] "function-call-history from 38 forwards"
+gdb_test "record function-call-history /ci" [multi_line \
+ "14\t fun2\tinst 35,36" \
+ "15\t fun3\tinst 37,38" \
+ "16\t fun4\tinst 39,40\r" \
+ ] "function-call-history from 39 forwards"
# check that we're filling up the context correctly
-gdb_test "record instruction-history" [join [list \
- "37.*" \
+gdb_test "record instruction-history" [multi_line \
"38.*" \
"39.*" \
- ] "\r\n"] "instruction-history from 38 forwards"
+ "40.*\r" \
+ ] "instruction-history from 39 forwards"
projects / deliverable / binutils-gdb.git / blobdiff