ed8730b4d9
Bump 'snapgnulib' date. Drop gdb-rhbz1818011-bfd-gcc10-error.patch. Drop gdb-rhbz1822715-fix-python-deprecation.patch. Drop gdb-rhbz1829702-fix-python39.patch. Drop gdb-rhbz1838777-debuginfod.patch. Drop gdb-rhbz1844458-use-fputX_unfiltered.patch. Drop gdb-rhbz1869484-deleted-working-directory. Adjust build-id related patches. Ajust VLA patches.
79 lines
2.5 KiB
Diff
79 lines
2.5 KiB
Diff
From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
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From: Fedora GDB patches <invalid@email.com>
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Date: Fri, 27 Oct 2017 21:07:50 +0200
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Subject: gdb-6.8-quit-never-aborts.patch
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;; Make the GDB quit processing non-abortable to cleanup everything properly.
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;;=fedora: It was useful only after gdb-6.8-attach-signalled-detach-stopped.patch .
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We may abort the process of detaching threads with multiple SIGINTs - which are
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being sent during a testcase terminating its child GDB.
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Some of the threads may not be properly PTRACE_DETACHed which hurts if they
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should have been detached with SIGSTOP (as they are accidentally left running
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on the debugger termination).
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diff --git a/gdb/defs.h b/gdb/defs.h
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--- a/gdb/defs.h
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+++ b/gdb/defs.h
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@@ -177,6 +177,10 @@ extern void default_quit_handler (void);
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/* Flag that function quit should call quit_force. */
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extern volatile int sync_quit_force_run;
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+#ifdef NEED_DETACH_SIGSTOP
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+extern int quit_flag_cleanup;
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+#endif
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+
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extern void quit (void);
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/* Helper for the QUIT macro. */
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diff --git a/gdb/extension.c b/gdb/extension.c
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--- a/gdb/extension.c
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+++ b/gdb/extension.c
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@@ -769,6 +769,11 @@ check_quit_flag (void)
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{
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int result = 0;
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+#ifdef NEED_DETACH_SIGSTOP
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+ if (quit_flag_cleanup)
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+ return 0;
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+#endif
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+
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for (const struct extension_language_defn *extlang : extension_languages)
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{
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if (extlang->ops != nullptr
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diff --git a/gdb/top.c b/gdb/top.c
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--- a/gdb/top.c
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+++ b/gdb/top.c
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@@ -1770,7 +1770,13 @@ quit_force (int *exit_arg, int from_tty)
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else if (return_child_result)
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exit_code = return_child_result_value;
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+#ifndef NEED_DETACH_SIGSTOP
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/* We want to handle any quit errors and exit regardless. */
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+#else
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+ /* We want to handle any quit errors and exit regardless but we should never
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+ get user-interrupted to properly detach the inferior. */
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+ quit_flag_cleanup = 1;
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+#endif
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/* Get out of tfind mode, and kill or detach all inferiors. */
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try
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diff --git a/gdb/utils.c b/gdb/utils.c
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--- a/gdb/utils.c
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+++ b/gdb/utils.c
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@@ -103,6 +103,13 @@ static std::chrono::steady_clock::duration prompt_for_continue_wait_time;
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static bool debug_timestamp = false;
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+#ifdef NEED_DETACH_SIGSTOP
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+/* Nonzero means we are already processing the quitting cleanups and we should
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+ no longer get aborted. */
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+
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+int quit_flag_cleanup;
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+#endif
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+
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/* True means that strings with character values >0x7F should be printed
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as octal escapes. False means just print the value (e.g. it's an
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international character, and the terminal or window can cope.) */
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