e7db4ec014
* ptype/o prints offsets and sizes of members (like pahole)
* tab-completion improved: quoting function names is not generally
necessary anymore, completion offers for breakpoint don't include
data symbol
* enable/disable breakpoints now accept ranges: 'disable 1.3-5'
* new commands:
- set/show cwd: working directory of debuggee
- set/show compile-gcc: program to use for 'compile' command
- starti: start program and stop at first instruction
- TUI single-key commands: 'i' for stepi and 'o' for nexti
* --readnever option disables any reading of debug info (for dumping)
* s390: guarded storage register access for z14
* gcore option -a dumps all memory mapping
* C++ breakpoints: 'b foo' will now set a breakpoint on all functions
and methods named 'foo' no matter the scope. Use -qualified if you
don't want that
* python scripting: new events gdb.new_inferior, gdb.inferior_deleted
and gdb.new_thread; new command rbreak (breakpoint accepting regexps)
* gdbserver can be passed environment parameters to remote debuggee
- Added patches from Fedora:
gdb-ppc64-stwux-tautological-compare.patch
gdb-rhbz1540559-gdbaddindex-glibcdebug-regression.patch
gdb-vla-intel-fix-print-char-array.patch
- Removed unused gdb-libstdc++-v3-python-7.1.1-20170526.tar.bz2
- Removed obsolete upstream patches:
gdb-s390x-1b63490.patch
gdb-s390x-289e23a.patch
gdb-s390x-8fe09d7.patch
gdb-s390x-96235dc.patch
OBS-URL: https://build.opensuse.org/package/show/devel:gcc/gdb?expand=0&rev=177
94 lines
2.8 KiB
Diff
94 lines
2.8 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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FileName: 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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---
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gdb/defs.h | 4 ++++
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gdb/extension.c | 5 +++++
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gdb/top.c | 6 ++++++
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gdb/utils.c | 7 +++++++
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4 files changed, 22 insertions(+)
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diff --git a/gdb/defs.h b/gdb/defs.h
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index 0c156d56c3..9a7f4d52b0 100644
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--- a/gdb/defs.h
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+++ b/gdb/defs.h
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@@ -168,6 +168,10 @@ 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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index a1ee3510a6..229d702270 100644
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--- a/gdb/extension.c
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+++ b/gdb/extension.c
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@@ -830,6 +830,11 @@ check_quit_flag (void)
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int i, result = 0;
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const struct extension_language_defn *extlang;
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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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ALL_ENABLED_EXTENSION_LANGUAGES (i, extlang)
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{
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if (extlang->ops->check_quit_flag != NULL)
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diff --git a/gdb/top.c b/gdb/top.c
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index 4749cf561d..e2665c8e22 100644
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--- a/gdb/top.c
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+++ b/gdb/top.c
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@@ -1580,7 +1580,13 @@ quit_force (int *exit_arg, int from_tty)
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qt.args = NULL;
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qt.from_tty = from_tty;
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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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index 6f0abc98a2..58c0380d17 100644
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--- a/gdb/utils.c
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+++ b/gdb/utils.c
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@@ -107,6 +107,13 @@ static std::chrono::steady_clock::duration prompt_for_continue_wait_time;
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static int debug_timestamp = 0;
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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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/* Nonzero means that strings with character values >0x7F should be printed
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as octal escapes. Zero 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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--
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2.14.3
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