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Fix to handle properly 'catch signal SIGINT' and SIGTRAP

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This commit is contained in:
Philippe Waroquiers 2013-05-03 19:16:56 +00:00
parent 1ebff1fdfd
commit 96f7d3f166
5 changed files with 31 additions and 5 deletions
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6
gdb/ChangeLog
View File

@ -1,3 +1,9 @@
2013-05-03 Philippe Waroquiers <philippe.waroquiers@skynet.be>
* break-catch-sig.c (signal_catchpoint_breakpoint_hit): Do not
ignore SIGINT and SIGTRAP in case these internal signals are
caught explicitely.
2013-05-01 Joel Brobecker <brobecker@adacore.com>
* darwin-nat.c (darwin_read_write_inferior): Change types

10
gdb/break-catch-sig.c
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@ -199,13 +199,13 @@ signal_catchpoint_breakpoint_hit (const struct bp_location *bl,
VEC_iterate (gdb_signal_type, c->signals_to_be_caught, i, iter);
i++)
if (signal_number == iter)
break;
return 1;
/* Not the same. */
if (!iter)
return 0;
gdb_assert (!iter);
return 0;
}
return c->catch_all || !INTERNAL_SIGNAL (signal_number);
else
return c->catch_all || !INTERNAL_SIGNAL (signal_number);
}
/* Implement the "print_it" breakpoint_ops method for signal

5
gdb/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2013-05-03 Philippe Waroquiers <philippe.waroquiers@skynet.be>
* gdb.base/catch-sig.c (main): Raise SIGINT.
* gdb.base/catch-sig.exp: Test "catch signal SIGINT".
2013-05-03 Hafiz Abid Qadeer <abidh@codesourcery.com>
* status-stop.exp (test_tstart_tstart): Check for error

2
gdb/testsuite/gdb.base/catch-signal.c
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@ -42,5 +42,7 @@ main ()
raise (SIGHUP); /* third HUP */
raise (SIGHUP); /* fourth HUP */
raise (SIGINT); /* first INT */
}

13
gdb/testsuite/gdb.base/catch-signal.exp
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@ -71,6 +71,19 @@ proc test_catch_signal {signame} {
gdb_breakpoint ${srcfile}:[gdb_get_line_number "fourth HUP"]
gdb_continue_to_breakpoint "fourth HUP"
delete_breakpoints
# Verify an internal signal used by gdb is properly caught.
gdb_breakpoint ${srcfile}:[gdb_get_line_number "first INT"]
gdb_continue_to_breakpoint "first INT"
set test "override SIGINT to catch"
gdb_test "handle SIGINT nostop print nopass" \
"SIGINT.*No.*Yes.*No.*" \
"$test" \
"SIGINT is used by the debugger.*Are you sure you want to change it.*y or n.*" \
y
gdb_test "catch signal SIGINT" "Catchpoint .*"
gdb_test "continue" "Catchpoint .* SIGINT.*"
}
}