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gdb: target_waitstatus_to_string: print extra info for FORKED, VFORKED, EXECD

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Print the extra information contained in target_waitstatus for these
events.  For TARGET_WAITKIND_{FORKED,VFORKED}, the extra information is
contained in related_pid, and is the ptid of the new process.  For
TARGET_WAITKIND_EXECD, it,s the exec'd path name in execd_pathname.
Print it using the same format used for TARGET_WAITKIND_STOPPED and
others.

Here are sample outputs for all three events:

    [infrun] print_target_wait_results: target_wait (-1.0.0 [process -1], status) =
    [infrun] print_target_wait_results:   726890.726890.0 [process 726890],
    [infrun] print_target_wait_results:   status->kind = vforked, related_pid = 726894.726894.0

    [infrun] print_target_wait_results: target_wait (-1.0.0 [process -1], status) =
    [infrun] print_target_wait_results:   727045.727045.0 [process 727045],
    [infrun] print_target_wait_results:   status->kind = forked, related_pid = 727049.727049.0

    [infrun] print_target_wait_results: target_wait (-1.0.0 [process -1], status) =
    [infrun] print_target_wait_results:   727119.727119.0 [process 727119],
    [infrun] print_target_wait_results:   status->kind = execd, execd_pathname = /usr/bin/ls

Change-Id: I4416a74e3bf792a625a68bf26c51689e170f2184
This commit is contained in:
Simon Marchi
2021-08-05 11:56:43 -04:00
parent 17e971f729
commit b765e92113
1 changed files with 22 additions and 3 deletions
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25
gdb/target/waitstatus.c
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@ -32,41 +32,60 @@ target_waitstatus_to_string (const struct target_waitstatus *ws)
case TARGET_WAITKIND_EXITED:
return string_printf ("%sexited, status = %d",
kind_str, ws->value.integer);
case TARGET_WAITKIND_STOPPED:
return string_printf ("%sstopped, signal = %s",
kind_str,
gdb_signal_to_symbol_string (ws->value.sig));
case TARGET_WAITKIND_SIGNALLED:
return string_printf ("%ssignalled, signal = %s",
kind_str,
gdb_signal_to_symbol_string (ws->value.sig));
case TARGET_WAITKIND_LOADED:
return string_printf ("%sloaded", kind_str);
case TARGET_WAITKIND_FORKED:
return string_printf ("%sforked", kind_str);
return string_printf ("%sforked, related_pid = %s", kind_str,
ws->value.related_pid.to_string ().c_str ());
case TARGET_WAITKIND_VFORKED:
return string_printf ("%svforked", kind_str);
return string_printf ("%svforked, related_pid = %s", kind_str,
ws->value.related_pid.to_string ().c_str ());
case TARGET_WAITKIND_EXECD:
return string_printf ("%sexecd", kind_str);
return string_printf ("%sexecd, execd_pathname = %s", kind_str,
ws->value.execd_pathname);
case TARGET_WAITKIND_VFORK_DONE:
return string_printf ("%svfork-done", kind_str);
case TARGET_WAITKIND_SYSCALL_ENTRY:
return string_printf ("%sentered syscall", kind_str);
case TARGET_WAITKIND_SYSCALL_RETURN:
return string_printf ("%sexited syscall", kind_str);
case TARGET_WAITKIND_SPURIOUS:
return string_printf ("%sspurious", kind_str);
case TARGET_WAITKIND_IGNORE:
return string_printf ("%signore", kind_str);
case TARGET_WAITKIND_NO_HISTORY:
return string_printf ("%sno-history", kind_str);
case TARGET_WAITKIND_NO_RESUMED:
return string_printf ("%sno-resumed", kind_str);
case TARGET_WAITKIND_THREAD_CREATED:
return string_printf ("%sthread created", kind_str);
case TARGET_WAITKIND_THREAD_EXITED:
return string_printf ("%sthread exited, status = %d",
kind_str, ws->value.integer);
default:
return string_printf ("%sunknown???", kind_str);
}