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259 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Simon Marchi
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4aeddc50d7 |
gdb: remove symbol value macros
Remove all macros related to getting and setting some symbol value:
#define SYMBOL_VALUE(symbol) (symbol)->value.ivalue
#define SYMBOL_VALUE_ADDRESS(symbol) \
#define SET_SYMBOL_VALUE_ADDRESS(symbol, new_value) \
#define SYMBOL_VALUE_BYTES(symbol) (symbol)->value.bytes
#define SYMBOL_VALUE_COMMON_BLOCK(symbol) (symbol)->value.common_block
#define SYMBOL_BLOCK_VALUE(symbol) (symbol)->value.block
#define SYMBOL_VALUE_CHAIN(symbol) (symbol)->value.chain
#define MSYMBOL_VALUE(symbol) (symbol)->value.ivalue
#define MSYMBOL_VALUE_RAW_ADDRESS(symbol) ((symbol)->value.address + 0)
#define MSYMBOL_VALUE_ADDRESS(objfile, symbol) \
#define BMSYMBOL_VALUE_ADDRESS(symbol) \
#define SET_MSYMBOL_VALUE_ADDRESS(symbol, new_value) \
#define MSYMBOL_VALUE_BYTES(symbol) (symbol)->value.bytes
#define MSYMBOL_BLOCK_VALUE(symbol) (symbol)->value.block
Replace them with equivalent methods on the appropriate objects.
Change-Id: Iafdab3b8eefc6dc2fd895aa955bf64fafc59ed50
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Tom Tromey
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6cb06a8cda |
Unify gdb printf functions
Now that filtered and unfiltered output can be treated identically, we can unify the printf family of functions. This is done under the name "gdb_printf". Most of this patch was written by script. |
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Tom Tromey
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0426ad513f |
Unify gdb puts functions
Now that filtered and unfiltered output can be treated identically, we can unify the puts family of functions. This is done under the name "gdb_puts". Most of this patch was written by script. |
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Tom Tromey
|
830df12588 |
Remove some uses of printf_unfiltered
A number of spots call printf_unfiltered only because they are in code that should not be interrupted by the pager. However, I believe these cases are all handled by infrun's blanket ban on paging, and so can be converted to the default (_filtered) API. After this patch, I think all the remaining _unfiltered calls are ones that really ought to be. A few -- namely in complete_command -- could be replaced by a scoped assignment to pagination_enabled, but for the remainder, the code seems simple enough like this. |
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Tom Tromey
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972f7a4b97 |
Add more filename styling
I found a few spots where filename styling ought to be applied, but is not. |
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Tom Tromey
|
a8e9f25759 |
Always print the "host libthread-db" message to stdout
linux-thread-db.c has a bit of unusual code that unconditionally prints a message, but decides whether to print to gdb_stdout or gdb_stdlog based on a debug flag. It seems better to me to simply always print this; and this is the only spot in gdb where we conditionally pass gdb_stdout to one of the f*_unfiltered functions. |
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Joel Brobecker
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4a94e36819 |
Automatic Copyright Year update after running gdb/copyright.py
This commit brings all the changes made by running gdb/copyright.py as per GDB's Start of New Year Procedure. For the avoidance of doubt, all changes in this commits were performed by the script. |
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Simon Marchi
|
183be22290 |
gdb, gdbserver: make target_waitstatus safe
I stumbled on a bug caused by the fact that a code path read
target_waitstatus::value::sig (expecting it to contain a gdb_signal
value) while target_waitstatus::kind was TARGET_WAITKIND_FORKED. This
meant that the active union field was in fact
target_waitstatus::value::related_pid, and contained a ptid. The read
signal value was therefore garbage, and that caused GDB to crash soon
after. Or, since that GDB was built with ubsan, this nice error
message:
/home/simark/src/binutils-gdb/gdb/linux-nat.c:1271:12: runtime error: load of value 2686365, which is not a valid value for type 'gdb_signal'
Despite being a large-ish change, I think it would be nice to make
target_waitstatus safe against that kind of bug. As already done
elsewhere (e.g. dynamic_prop), validate that the type of value read from
the union matches what is supposed to be the active field.
- Make the kind and value of target_waitstatus private.
- Make the kind initialized to TARGET_WAITKIND_IGNORE on
target_waitstatus construction. This is what most users appear to do
explicitly.
- Add setters, one for each kind. Each setter takes as a parameter the
data associated to that kind, if any. This makes it impossible to
forget to attach the associated data.
- Add getters, one for each associated data type. Each getter
validates that the data type fetched by the user matches the wait
status kind.
- Change "integer" to "exit_status", "related_pid" to "child_ptid",
just because that's more precise terminology.
- Fix all users.
That last point is semi-mechanical. There are a lot of obvious changes,
but some less obvious ones. For example, it's not possible to set the
kind at some point and the associated data later, as some users did.
But in any case, the intent of the code should not change in this patch.
This was tested on x86-64 Linux (unix, native-gdbserver and
native-extended-gdbserver boards). It was built-tested on x86-64
FreeBSD, NetBSD, MinGW and macOS. The rest of the changes to native
files was done as a best effort. If I forgot any place to update in
these files, it should be easy to fix (unless the change happens to
reveal an actual bug).
Change-Id: I0ae967df1ff6e28de78abbe3ac9b4b2ff4ad03b7
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Simon Marchi
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e0700ba44c |
gdb: make string-like set show commands use std::string variable
String-like settings (var_string, var_filename, var_optional_filename, var_string_noescape) currently take a pointer to a `char *` storage variable (typically global) that holds the setting's value. I'd like to "mordernize" this by changing them to use an std::string for storage. An obvious reason is that string operations on std::string are often easier to write than with C strings. And they avoid having to do any manual memory management. Another interesting reason is that, with `char *`, nullptr and an empty string often both have the same meaning of "no value". String settings are initially nullptr (unless initialized otherwise). But when doing "set foo" (where `foo` is a string setting), the setting now points to an empty string. For example, solib_search_path is nullptr at startup, but points to an empty string after doing "set solib-search-path". This leads to some code that needs to check for both to check for "no value". Or some code that converts back and forth between NULL and "" when getting or setting the value. I find this very error-prone, because it is very easy to forget one or the other. With std::string, we at least know that the variable is not "NULL". There is only one way of representing an empty string setting, that is with an empty string. I was wondering whether the distinction between NULL and "" would be important for some setting, but it doesn't seem so. If that ever happens, it would be more C++-y and self-descriptive to use optional<string> anyway. Actually, there's one spot where this distinction mattered, it's in init_history, for the test gdb.base/gdbinit-history.exp. init_history sets the history filename to the default ".gdb_history" if it sees that the setting was never set - if history_filename is nullptr. If history_filename is an empty string, it means the setting was explicitly cleared, so it leaves it as-is. With the change to std::string, this distinction doesn't exist anymore. This can be fixed by moving the code that chooses a good default value for history_filename to _initialize_top. This is ran before -ex commands are processed, so an -ex command can then clear that value if needed (what gdb.base/gdbinit-history.exp tests). Another small improvement, in my opinion is that we can now easily give string parameters initial values, by simply initializing the global variables, instead of xstrdup-ing it in the _initialize function. In Python and Guile, when registering a string-like parameter, we allocate (with new) an std::string that is owned by the param_smob (in Guile) and the parmpy_object (in Python) objects. This patch started by changing all relevant add_setshow_* commands to take an `std::string *` instead of a `char **` and fixing everything that failed to build. That includes of course all string setting variable and their uses. string_option_def now uses an std::string also, because there's a connection between options and settings (see add_setshow_cmds_for_options). The add_path function in source.c is really complex and twisted, I'd rather not try to change it to work on an std::string right now. Instead, I added an overload that copies the std:string to a `char *` and back. This means more copying, but this is not used in a hot path at all, so I think it is acceptable. Change-Id: I92c50a1bdd8307141cdbacb388248e4e4fc08c93 Co-authored-by: Lancelot SIX <lsix@lancelotsix.com> |
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Simon Marchi
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901b98215e |
gdb: use intrusive_list for linux-nat lwp_list
Replace the manually maintained linked list of lwp_info objects with intrusive_list. Replace the ALL_LWPS macro with all_lwps, which returns a range. Add all_lwps_safe as well, for use in iterate_over_lwps, which currently iterates in a safe manner. Change-Id: I355313502510acc0103f5eaf2fbde80897d6376c |
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Tom Tromey
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c80e29dba9 |
Change get_ada_task_ptid parameter type
get_ada_task_ptid currently takes a 'long' as its 'thread' parameter type. However, on some platforms this is actually a pointer, and using 'long' can sometimes end up with the value being sign-extended. This sign extension can cause problems later, if the tid is then later used as an address again. This patch changes the parameter type to ULONGEST and updates all the uses. This approach preserves sign extension on the targets where it is apparently intended, while avoiding it on others. Co-Authored-By: John Baldwin <jhb@FreeBSD.org> |
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Tom Tromey
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184ea2f731 |
Remove defaulted 'tid' parameter to ptid_t constructor
I wanted to find, and potentially modify, all the spots where the 'tid' parameter to the ptid_t constructor was used. So, I temporarily removed this parameter and then rebuilt. In order to make it simpler to search through the "real" (nonzero) uses of this parameter, something I knew I'd have to do multiple times, I removed any ", 0" from constructor calls. Co-Authored-By: John Baldwin <jhb@FreeBSD.org> |
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Andrew Burgess
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611841bb1a |
gdb: make thread_info::executing private
Rename thread_info::executing to thread_info::m_executing, and make it private. Add a new get/set member functions, and convert GDB to make use of these. The only real change of interest in this patch is in thread.c where I have deleted the helper function set_executing_thread, and now just use the new set function thread_info::set_executing. However, the old helper function set_executing_thread included some code to reset the thread's stop_pc, so I moved this code into the new function thread_info::set_executing. However, I don't believe there is anywhere that this results in a change of behaviour, previously the executing flag was always set true through a call to set_executing_thread anyway. |
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Simon Marchi
|
ff77083572 |
gdb: call post_create_inferior at end of follow_fork_inferior
GDB doesn't handle well the case of an inferior using the JIT interface to register JIT-ed objfiles and forking. If an inferior registers a code object using the JIT interface and then forks, the child process conceptually has the same code object loaded, so GDB should look it up and learn about it (it currently doesn't). To achieve this, I think it would make sense to have the inferior_created observable called when an inferior is created due to a fork in follow_fork_inferior. The inferior_created observable is currently called both after starting a new inferior and after attaching to an inferior, allowing various sub-components to learn about that new executing inferior. We can see handling a fork child just like attaching to it, so any work done when attaching should also be done in the case of a fork child. Instead of just calling the inferior_created observable, this patch makes follow_fork_inferior call the whole post_create_inferior function. This way, the attach and follow-fork code code paths are more alike. Given that post_create_inferior calls solib_create_inferior_hook, follow_fork_inferior doesn't need to do it itself, so those calls to solib_create_inferior_hook are removed. One question you may have: why not just call post_create_inferior at the places where solib_create_inferior_hook is currently called, instead of after target_follow_fork? - there's something fishy for the second solib_create_inferior_hook call site: at this point we have switched the current program space to the child's, but not the current inferior nor the current thread. So solib_create_inferior_hook (and everything under, including check_for_thread_db, for example) is called with inferior 1 as the current inferior and inferior 2's program space as the current program space. I think that's wrong, because at this point we are setting up inferior 2, and all that code relies on the current inferior. We could just add a switch_to_thread call before it to make inferior 2 the current one, but there are other problems (see below). - solib_create_inferior_hook is currently not called on the `follow_child && detach_fork` path. I think we need to call it, because we still get a new inferior in that case (even though we detach the parent). If we only call post_create_inferior where solib_create_inferior_hook used to be called, then the JIT subcomponent doesn't get informed about the new inferior, and that introduces a failure in the new gdb.base/jit-elf-fork.exp test. - if we try to put the post_create_inferior just after the switch_to_thread that was originally at line 662, or just before the call to target_follow_fork, we introduce a subtle failure in gdb.threads/fork-thread-pending.exp. What happens then is that libthread_db gets loaded (somewhere under post_create_inferior) before the linux-nat target learns about the LWPs (which happens in linux_nat_target::follow_fork). As a result, the ALL_LWPS loop in try_thread_db_load_1 doesn't see the child LWP, and the thread-db target doesn't have the chance to fill in thread_info::priv. A bit later, when the test does "info threads", and thread_db_target::pid_to_str is called, the thread-db target doesn't recognize the thread as one of its own, and delegates the request to the target below. Because the pid_to_str output is not the expected one, the test fails. This tells me that we need to call the process target's follow_fork first, to make the process target create the necessary LWP and thread structures. Then, we can call post_create_inferior to let the other components of GDB do their thing. But then you may ask: check_for_thread_db is already called today, somewhere under solib_create_inferior_hook, and that is before target_follow_fork, why don't we see this ordering problem!? Well, because of the first bullet point: when check_for_thread_db / thread_db_load are called, the current inferior is (erroneously) inferior 1, the parent. Because libthread_db is already loaded for the parent, thread_db_load early returns. check_for_thread_db later gets called by linux_nat_target::follow_fork. At this point, the current inferior is the correct one and the child's LWP exists, so all is well. Since we now call post_create_inferior after target_follow_fork, which calls the inferior_created observable, which calls check_for_thread_db, I don't think linux_nat_target needs to explicitly call check_for_thread_db itself, so that is removed. In terms of testing, this patch adds a new gdb.base/jit-elf-fork.exp test. It makes an inferior register a JIT code object and then fork. It then verifies that whatever the detach-on-fork and follow-fork-child parameters are, GDB knows about the JIT code object in all the inferiors that survive the fork. It verifies that the inferiors can unload that code object. There isn't currently a way to get visibility into GDB's idea of the JIT code objects for each inferior. For the purpose of this test, add the "maintenance info jit" command. There isn't much we can print about the JIT code objects except their load address. So the output looks a bit bare, but it's good enough for the test. gdb/ChangeLog: * NEWS: Mention "maint info jit" command. * infrun.c (follow_fork_inferior): Don't call solib_create_inferior_hook, call post_create_inferior if a new inferior was created. * jit.c (maint_info_jit_cmd): New. (_initialize_jit): Register new command. * linux-nat.c (linux_nat_target::follow_fork): Don't call check_for_thread_db. * linux-nat.h (check_for_thread_db): Remove declaration. * linux-thread-db.c (check_thread_signals): Make static. gdb/doc/ChangeLog: * gdb.texinfo (Maintenance Commands): Mention "maint info jit". gdb/testsuite/ChangeLog: * gdb.base/jit-elf-fork-main.c: New test. * gdb.base/jit-elf-fork-solib.c: New test. * gdb.base/jit-elf-fork.exp: New test. Change-Id: I9a192e55b8a451c00e88100669283fc9ca60de5c |
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Kevin Buettner
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e2b9ea4bbb |
libthread_db initialization changes related to upcoming glibc-2.34
This commit makes some adjustments to accomodate the upcoming
glibc-2.34 release. Beginning with glibc-2.34, functionality formerly
contained in libpthread has been moved to libc. For the time being,
libpthread.so still exists in the file system, but it won't show up in
ldd output and therefore won't be able to trigger initialization of
libthread_db related code. E.g...
Fedora 34 / glibc-2.33.9000:
[kev@f34-2 gdb]$ ldd testsuite/outputs/gdb.threads/tls/tls
linux-vdso.so.1 (0x00007ffcf94fa000)
libstdc++.so.6 => /lib64/libstdc++.so.6 (0x00007ff0ba9af000)
libm.so.6 => /lib64/libm.so.6 (0x00007ff0ba8d4000)
libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007ff0ba8b9000)
libc.so.6 => /lib64/libc.so.6 (0x00007ff0ba6c6000)
/lib64/ld-linux-x86-64.so.2 (0x00007ff0babf0000)
Fedora 34 / glibc-2.33:
[kev@f34-1 gdb]$ ldd testsuite/outputs/gdb.threads/tls/tls
linux-vdso.so.1 (0x00007fff32dc0000)
libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f815f6de000)
libstdc++.so.6 => /lib64/libstdc++.so.6 (0x00007f815f4bf000)
libm.so.6 => /lib64/libm.so.6 (0x00007f815f37b000)
libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007f815f360000)
libc.so.6 => /lib64/libc.so.6 (0x00007f815f191000)
/lib64/ld-linux-x86-64.so.2 (0x00007f815f721000)
Note that libpthread is missing from the ldd output for the
glibc-2.33.9000 machine.
This means that (unless we happen to think of some entirely different
mechanism), we'll now need to potentially match "libc" in addition to
"libpthread" as libraries which might be thread libraries. This
accounts for the change made in solib.c. Note that the new code
attempts to match "/libc." via strstr(). That trailing dot (".")
avoids inadvertently matching libraries such as libcrypt (and
all the other many libraries which begin with "libc").
To avoid attempts to load libthread_db when encountering older
versions of libc, we now attempt to find "pthread_create" (which is a
symbol that we'd expect to be in any pthread library) in the
associated objfile. This accounts for the changes in
linux-thread-db.c.
I think that other small adjustments will need to be made elsewhere
too. I've been working through regressions on my glibc-2.33.9000
machine; I've fixed some fairly "obvious" changes in the testsuite
(which are in other commits). For the rest, it's not yet clear to me
whether the handful of remaining failures represent a problem in glibc
or gdb. I'm still investigating, however, I'll note that these are
problems that I only see on my glibc-2.33.9000 machine.
gdb/ChangeLog:
* solib.c (libpthread_name_p): Match "libc" in addition
to "libpthread".
* linux-thread-db.c (libpthread_objfile_p): New function.
(libpthread_name_p): Adjust preexisting callers to use
libpthread_objfile_p().
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Simon Marchi
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122373f7f2 |
gdb: try to load libthread_db only after reading all shared libraries when attaching / handling a fork child
When trying to attach to a pthread process on a Linux system with glibc 2.33,
we get:
$ ./gdb -q -nx --data-directory=data-directory -p 1472010
Attaching to process 1472010
[New LWP 1472013]
[New LWP 1472014]
[New LWP 1472015]
Error while reading shared library symbols for /usr/lib/libpthread.so.0:
Cannot find user-level thread for LWP 1472015: generic error
0x00007ffff6d3637f in poll () from /usr/lib/libc.so.6
(gdb)
When attaching to a process (or handling a fork child, an operation very
similar to attaching), GDB reads the shared library list from the
process. For each shared library (if "set auto-solib-add" is on), it
reads its symbols and calls the "new_objfile" observable.
The libthread-db code monitors this observable, and if it sees an
objfile named somewhat like "libpthread.so" go by, it tries to load
libthread_db.so in the GDB process itself. libthread_db knows how to
navigate libpthread's data structures to get information about the
existing threads.
To locate these data structures, libthread_db calls ps_pglobal_lookup
(implemented in proc-service.c), passing in a symbol name and expecting
an address in return.
Before glibc 2.33, libthread_db always asked for symbols found in
libpthread. There was no ordering problem: since we were always trying
to load libthread_db in reaction to processing libpthread (and reading
in its symbols) and libthread_db only asked symbols from libpthread, the
requested symbols could always be found. Starting with glibc 2.33,
libthread_db now asks for a symbol name that can be found in
/lib/ld-linux-x86-64.so.2 (_rtld_global). And the ordering in which GDB
reads the shared libraries from the inferior when attaching is
unfortunate, in that libpthread is processed before ld-linux. So when
loading libthread_db in reaction to processing libpthread, and
libthread_db requests the symbol that is from ld-linux, GDB is not yet
able to supply it.
That problematic symbol lookup happens in the thread_from_lwp function,
when we call td_ta_map_lwp2thr_p, and an exception is thrown at this
point:
#0 0x00007ffff6681012 in __cxxabiv1::__cxa_throw (obj=0x60e000006100, tinfo=0x555560033b50 <typeinfo for gdb_exception_error>, dest=0x55555d9404bc <gdb_exception_error::~gdb_exception_error()>) at /build/gcc/src/gcc/libstdc++-v3/libsupc++/eh_throw.cc:78
#1 0x000055555e5d3734 in throw_it(return_reason, errors, const char *, typedef __va_list_tag __va_list_tag *) (reason=RETURN_ERROR, error=GENERIC_ERROR, fmt=0x55555f0c5360 "Cannot find user-level thread for LWP %ld: %s", ap=0x7fffffffaae0) at /home/simark/src/binutils-gdb/gdbsupport/common-exceptions.cc:200
#2 0x000055555e5d37d4 in throw_verror (error=GENERIC_ERROR, fmt=0x55555f0c5360 "Cannot find user-level thread for LWP %ld: %s", ap=0x7fffffffaae0) at /home/simark/src/binutils-gdb/gdbsupport/common-exceptions.cc:208
#3 0x000055555e0b0ed2 in verror (string=0x55555f0c5360 "Cannot find user-level thread for LWP %ld: %s", args=0x7fffffffaae0) at /home/simark/src/binutils-gdb/gdb/utils.c:171
#4 0x000055555e5e898a in error (fmt=0x55555f0c5360 "Cannot find user-level thread for LWP %ld: %s") at /home/simark/src/binutils-gdb/gdbsupport/errors.cc:43
#5 0x000055555d06b4bc in thread_from_lwp (stopped=0x617000035d80, ptid=...) at /home/simark/src/binutils-gdb/gdb/linux-thread-db.c:418
#6 0x000055555d07040d in try_thread_db_load_1 (info=0x60c000011140) at /home/simark/src/binutils-gdb/gdb/linux-thread-db.c:912
#7 0x000055555d071103 in try_thread_db_load (library=0x55555f0c62a0 "libthread_db.so.1", check_auto_load_safe=false) at /home/simark/src/binutils-gdb/gdb/linux-thread-db.c:1014
#8 0x000055555d072168 in try_thread_db_load_from_sdir () at /home/simark/src/binutils-gdb/gdb/linux-thread-db.c:1091
#9 0x000055555d072d1c in thread_db_load_search () at /home/simark/src/binutils-gdb/gdb/linux-thread-db.c:1146
#10 0x000055555d07365c in thread_db_load () at /home/simark/src/binutils-gdb/gdb/linux-thread-db.c:1203
#11 0x000055555d07373e in check_for_thread_db () at /home/simark/src/binutils-gdb/gdb/linux-thread-db.c:1246
#12 0x000055555d0738ab in thread_db_new_objfile (objfile=0x61300000c0c0) at /home/simark/src/binutils-gdb/gdb/linux-thread-db.c:1275
#13 0x000055555bd10740 in std::__invoke_impl<void, void (*&)(objfile*), objfile*> (__f=@0x616000068d88: 0x55555d073745 <thread_db_new_objfile(objfile*)>) at /usr/include/c++/10.2.0/bits/invoke.h:60
#14 0x000055555bd02096 in std::__invoke_r<void, void (*&)(objfile*), objfile*> (__fn=@0x616000068d88: 0x55555d073745 <thread_db_new_objfile(objfile*)>) at /usr/include/c++/10.2.0/bits/invoke.h:153
#15 0x000055555bce0392 in std::_Function_handler<void (objfile*), void (*)(objfile*)>::_M_invoke(std::_Any_data const&, objfile*&&) (__functor=..., __args#0=@0x7fffffffb4a0: 0x61300000c0c0) at /usr/include/c++/10.2.0/bits/std_function.h:291
#16 0x000055555d3595c0 in std::function<void (objfile*)>::operator()(objfile*) const (this=0x616000068d88, __args#0=0x61300000c0c0) at /usr/include/c++/10.2.0/bits/std_function.h:622
#17 0x000055555d356b7f in gdb::observers::observable<objfile*>::notify (this=0x555566727020 <gdb::observers::new_objfile>, args#0=0x61300000c0c0) at /home/simark/src/binutils-gdb/gdb/../gdbsupport/observable.h:106
#18 0x000055555da3f228 in symbol_file_add_with_addrs (abfd=0x61200001ccc0, name=0x6190000d9090 "/usr/lib/libpthread.so.0", add_flags=..., addrs=0x7fffffffbc10, flags=..., parent=0x0) at /home/simark/src/binutils-gdb/gdb/symfile.c:1131
#19 0x000055555da3f763 in symbol_file_add_from_bfd (abfd=0x61200001ccc0, name=0x6190000d9090 "/usr/lib/libpthread.so.0", add_flags=<error reading variable: Cannot access memory at address 0xffffffffffffffb0>, addrs=0x7fffffffbc10, flags=<error reading variable: Cannot access memory at address 0xffffffffffffffc0>, parent=0x0) at /home/simark/src/binutils-gdb/gdb/symfile.c:1167
#20 0x000055555d95f9fa in solib_read_symbols (so=0x6190000d8e80, flags=...) at /home/simark/src/binutils-gdb/gdb/solib.c:681
#21 0x000055555d96233d in solib_add (pattern=0x0, from_tty=0, readsyms=1) at /home/simark/src/binutils-gdb/gdb/solib.c:987
#22 0x000055555d93646e in enable_break (info=0x608000008f20, from_tty=0) at /home/simark/src/binutils-gdb/gdb/solib-svr4.c:2238
#23 0x000055555d93cfc0 in svr4_solib_create_inferior_hook (from_tty=0) at /home/simark/src/binutils-gdb/gdb/solib-svr4.c:3049
#24 0x000055555d96610d in solib_create_inferior_hook (from_tty=0) at /home/simark/src/binutils-gdb/gdb/solib.c:1195
#25 0x000055555cdee318 in post_create_inferior (from_tty=0) at /home/simark/src/binutils-gdb/gdb/infcmd.c:318
#26 0x000055555ce00e6e in setup_inferior (from_tty=0) at /home/simark/src/binutils-gdb/gdb/infcmd.c:2439
#27 0x000055555ce59c34 in handle_one (event=...) at /home/simark/src/binutils-gdb/gdb/infrun.c:4887
#28 0x000055555ce5cd00 in stop_all_threads () at /home/simark/src/binutils-gdb/gdb/infrun.c:5064
#29 0x000055555ce7f0da in stop_waiting (ecs=0x7fffffffd170) at /home/simark/src/binutils-gdb/gdb/infrun.c:8006
#30 0x000055555ce67f5c in handle_signal_stop (ecs=0x7fffffffd170) at /home/simark/src/binutils-gdb/gdb/infrun.c:6062
#31 0x000055555ce63653 in handle_inferior_event (ecs=0x7fffffffd170) at /home/simark/src/binutils-gdb/gdb/infrun.c:5727
#32 0x000055555ce4f297 in fetch_inferior_event () at /home/simark/src/binutils-gdb/gdb/infrun.c:4105
#33 0x000055555cdbe3bf in inferior_event_handler (event_type=INF_REG_EVENT) at /home/simark/src/binutils-gdb/gdb/inf-loop.c:42
#34 0x000055555d018047 in handle_target_event (error=0, client_data=0x0) at /home/simark/src/binutils-gdb/gdb/linux-nat.c:4060
#35 0x000055555e5ea77e in handle_file_event (file_ptr=0x60600008b1c0, ready_mask=1) at /home/simark/src/binutils-gdb/gdbsupport/event-loop.cc:575
#36 0x000055555e5eb09c in gdb_wait_for_event (block=0) at /home/simark/src/binutils-gdb/gdbsupport/event-loop.cc:701
#37 0x000055555e5e8d19 in gdb_do_one_event () at /home/simark/src/binutils-gdb/gdbsupport/event-loop.cc:212
#38 0x000055555dd6e0d4 in wait_sync_command_done () at /home/simark/src/binutils-gdb/gdb/top.c:528
#39 0x000055555dd6e372 in maybe_wait_sync_command_done (was_sync=0) at /home/simark/src/binutils-gdb/gdb/top.c:545
#40 0x000055555d0ec7c8 in catch_command_errors (command=0x55555ce01bb8 <attach_command(char const*, int)>, arg=0x7fffffffe28d "1472010", from_tty=1, do_bp_actions=false) at /home/simark/src/binutils-gdb/gdb/main.c:452
#41 0x000055555d0f03ad in captured_main_1 (context=0x7fffffffdd10) at /home/simark/src/binutils-gdb/gdb/main.c:1149
#42 0x000055555d0f1239 in captured_main (data=0x7fffffffdd10) at /home/simark/src/binutils-gdb/gdb/main.c:1232
#43 0x000055555d0f1315 in gdb_main (args=0x7fffffffdd10) at /home/simark/src/binutils-gdb/gdb/main.c:1257
#44 0x000055555bb70cf9 in main (argc=7, argv=0x7fffffffde88) at /home/simark/src/binutils-gdb/gdb/gdb.c:32
The exception is caught here:
#0 __cxxabiv1::__cxa_begin_catch (exc_obj_in=0x60e0000060e0) at /build/gcc/src/gcc/libstdc++-v3/libsupc++/eh_catch.cc:84
#1 0x000055555d95fded in solib_read_symbols (so=0x6190000d8e80, flags=...) at /home/simark/src/binutils-gdb/gdb/solib.c:689
#2 0x000055555d96233d in solib_add (pattern=0x0, from_tty=0, readsyms=1) at /home/simark/src/binutils-gdb/gdb/solib.c:987
#3 0x000055555d93646e in enable_break (info=0x608000008f20, from_tty=0) at /home/simark/src/binutils-gdb/gdb/solib-svr4.c:2238
#4 0x000055555d93cfc0 in svr4_solib_create_inferior_hook (from_tty=0) at /home/simark/src/binutils-gdb/gdb/solib-svr4.c:3049
#5 0x000055555d96610d in solib_create_inferior_hook (from_tty=0) at /home/simark/src/binutils-gdb/gdb/solib.c:1195
#6 0x000055555cdee318 in post_create_inferior (from_tty=0) at /home/simark/src/binutils-gdb/gdb/infcmd.c:318
#7 0x000055555ce00e6e in setup_inferior (from_tty=0) at /home/simark/src/binutils-gdb/gdb/infcmd.c:2439
#8 0x000055555ce59c34 in handle_one (event=...) at /home/simark/src/binutils-gdb/gdb/infrun.c:4887
#9 0x000055555ce5cd00 in stop_all_threads () at /home/simark/src/binutils-gdb/gdb/infrun.c:5064
#10 0x000055555ce7f0da in stop_waiting (ecs=0x7fffffffd170) at /home/simark/src/binutils-gdb/gdb/infrun.c:8006
#11 0x000055555ce67f5c in handle_signal_stop (ecs=0x7fffffffd170) at /home/simark/src/binutils-gdb/gdb/infrun.c:6062
#12 0x000055555ce63653 in handle_inferior_event (ecs=0x7fffffffd170) at /home/simark/src/binutils-gdb/gdb/infrun.c:5727
#13 0x000055555ce4f297 in fetch_inferior_event () at /home/simark/src/binutils-gdb/gdb/infrun.c:4105
#14 0x000055555cdbe3bf in inferior_event_handler (event_type=INF_REG_EVENT) at /home/simark/src/binutils-gdb/gdb/inf-loop.c:42
#15 0x000055555d018047 in handle_target_event (error=0, client_data=0x0) at /home/simark/src/binutils-gdb/gdb/linux-nat.c:4060
#16 0x000055555e5ea77e in handle_file_event (file_ptr=0x60600008b1c0, ready_mask=1) at /home/simark/src/binutils-gdb/gdbsupport/event-loop.cc:575
#17 0x000055555e5eb09c in gdb_wait_for_event (block=0) at /home/simark/src/binutils-gdb/gdbsupport/event-loop.cc:701
#18 0x000055555e5e8d19 in gdb_do_one_event () at /home/simark/src/binutils-gdb/gdbsupport/event-loop.cc:212
#19 0x000055555dd6e0d4 in wait_sync_command_done () at /home/simark/src/binutils-gdb/gdb/top.c:528
#20 0x000055555dd6e372 in maybe_wait_sync_command_done (was_sync=0) at /home/simark/src/binutils-gdb/gdb/top.c:545
#21 0x000055555d0ec7c8 in catch_command_errors (command=0x55555ce01bb8 <attach_command(char const*, int)>, arg=0x7fffffffe28d "1472010", from_tty=1, do_bp_actions=false) at /home/simark/src/binutils-gdb/gdb/main.c:452
#22 0x000055555d0f03ad in captured_main_1 (context=0x7fffffffdd10) at /home/simark/src/binutils-gdb/gdb/main.c:1149
#23 0x000055555d0f1239 in captured_main (data=0x7fffffffdd10) at /home/simark/src/binutils-gdb/gdb/main.c:1232
#24 0x000055555d0f1315 in gdb_main (args=0x7fffffffdd10) at /home/simark/src/binutils-gdb/gdb/main.c:1257
#25 0x000055555bb70cf9 in main (argc=7, argv=0x7fffffffde88) at /home/simark/src/binutils-gdb/gdb/gdb.c:32
Catching the exception at this point means that the thread_db_info
object for this inferior will be left in place, despite the failure to
load libthread_db. This means that there won't be further attempts at
loading libthread_db, because thread_db_load will think that
libthread_db is already loaded for this inferior and will always exit
early. To fix this, add a try/catch around calling try_thread_db_load_1
in try_thread_db_load, such that if some exception is thrown while
trying to load libthread_db, we reset / delete the thread_db_info for
that inferior. That alone makes attach work fine again, because
check_for_thread_db is called again in the thread_db_inferior_created
observer (that happens after we learned about all shared libraries and
their symbols), and libthread_db is successfully loaded then.
When attaching, I think that the inferior_created observer is a good
place to try to load libthread_db: it is called once everything has
stabilized, when we learned about all shared libraries.
The only problem then is that when we first try (and fail) to load
libthread_db, in reaction to learning about libpthread, we show this
warning:
warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available.
This is misleading, because we do succeed in loading it later. So when
attaching, I think we shouldn't try to load libthread_db in reaction to
the new_objfile events, we should wait until we have learned about all
shared libraries (using the inferior_created observable). To do so, add
an `in_initial_library_scan` flag to struct inferior. This flag is used
to postpone loading libthread_db if we are attaching or handling a fork
child.
When debugging remotely with GDBserver, the same problem happens, except
that the qSymbol mechanism (allowing the remote side to ask GDB for
symbols values) is involved. The fix there is the same idea, we make
GDB wait until all shared libraries and their symbols are known before
sending out a qSymbol packet. This way, we never present the remote
side a state where libpthread.so's symbols are known but ld-linux's
symbols aren't.
gdb/ChangeLog:
* inferior.h (class inferior) <in_initial_library_scan>: New.
* infcmd.c (post_create_inferior): Set in_initial_library_scan.
* infrun.c (follow_fork_inferior): Likewise.
* linux-thread-db.c (try_thread_db_load): Catch exception thrown
by try_thread_db_load_1
(thread_db_load): Return early if in_initial_library_scan is
set.
* remote.c (remote_new_objfile): Return early if
in_initial_library_scan is set.
Change-Id: I7a279836cfbb2b362b4fde11b196b4aab82f5efb
|
||
Marco Barisione
|
8dd8c8d4ab |
gdb: Pass std::strings to ui_out::field_string () where convenient
While adding a ui_out::text () overload accepting a std::string, I noticed that several callers of ui_out::field_string () were converting std::string instances to char pointers even if not necessary. gdb/ChangeLog: * ui-out.c (ui_out::field_string): Add missing style_argument to the overload accepting a std::string, to make it equivalent to the char pointer version. * ui-out.h (class ui_out): Ditto. * break-catch-sig.c (signal_catchpoint_print_one): Do not convert std::strings to char pointers before passing them to ui_out::field_string (). * break-catch-throw.c (print_one_detail_exception_catchpoint): Ditto. * cli/cli-setshow.c (do_show_command): Ditto. * disasm.c (gdb_pretty_print_disassembler::pretty_print_insn): Ditto. * infcmd.c (print_return_value_1): Ditto. * inferior.c (print_inferior): Ditto. * linux-thread-db.c (info_auto_load_libthread_db): Ditto. * mi/mi-cmd-var.c (print_varobj): Ditto. (mi_cmd_var_set_format): Ditto. (mi_cmd_var_info_type): Ditto. (mi_cmd_var_info_expression): Ditto. (mi_cmd_var_evaluate_expression): Ditto. (mi_cmd_var_assign): Ditto. (varobj_update_one): Ditto. * mi/mi-main.c (list_available_thread_groups): Ditto. (mi_cmd_data_read_memory_bytes): Ditto. (mi_cmd_trace_frame_collected): Ditto. * osdata.c (info_osdata): Ditto. * probe.c (info_probes_for_spops): Ditto. * target-connection.c (print_connection): Ditto. * thread.c (print_thread_info_1): Ditto. * tracepoint.c (print_one_static_tracepoint_marker): Ditto. |
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Simon Marchi
|
294c36eb6a |
gdb: on exec, delegate pushing / unpushing target and adding thread to target_ops::follow_exec
On "exec", some targets need to unpush themselves from the inferior, and do some bookkeeping, like forgetting the data associated to the exec'ing inferior. One such example is the thread-db target. It does so in a special case in thread_db_target::wait, just before returning the TARGET_WAITKIND_EXECD event to its caller. We have another such case in the context of rocm-gdb [1], where the "rocm" target is pushed on top of the linux-nat target. When an exec happens, we want to unpush the rocm target from the exec'ing inferior to close some file descriptors that refer to the pre-exec address space and forget about that inferior. We then want to push the target on the inferior in which execution continues, to open the file descriptors for the post-exec address space. I think that a good way to address this cleanly is to do all this in the target_ops::follow_exec implementations. Make the process_stratum_target::follow_exec implementation have the default behavior of pushing itself to the new inferior's target stack (if execution continues in a new inferior) and add the initial thread. remote_target::follow_exec is an example of process target that wants to do a bit more than the default behavior. So it calls process_stratum_target::follow_exec first and does the extra work second. linux-thread-db (a non-process target) implements follow_exec to do some bookeeping (forget about that process' data), before handing down the event down to the process target (which hits process_stratum_target::follow_exec). gdb/ChangeLog: * target.h (struct target_ops) <follow_exec>: Add ptid_t parameter. (target_follow_exec): Likewise. * target.c (target_follow_exec): Add ptid_t parameter. * infrun.c (follow_exec): Adjust call to target_follow_exec, don't push target nor create thread. * linux-thread-db.c (class thread_db_target) <follow_exec>: New. (thread_db_target::wait): Just return on TARGET_WAITKIND_EXECD. (thread_db_target::follow_exec): New. * remote.c (class remote_target) <follow_exec>: Add ptid_t parameter. (remote_target::follow_exec): Call process_stratum_target::follow_exec. * target-delegates.c: Re-generate. Change-Id: I3f96d0ba3ea0dde6540b7e1b4d5cdb01635088c8 |
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Simon Marchi
|
c90e7d6352 |
gdbsupport, gdb: give names to observers
Give a name to each observer, this will help produce more meaningful debug message. gdbsupport/ChangeLog: * observable.h (class observable) <struct observer> <observer>: Add name parameter. <name>: New field. <attach>: Add name parameter, update all callers. Change-Id: Ie0cc4664925215b8d2b09e026011b7803549fba0 |
||
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Simon Marchi
|
02980c5645 |
gdb: remove push_target free functions
Same as the previous patch, but for the push_target functions. The implementation of the move variant is moved to a new overload of inferior::push_target. gdb/ChangeLog: * target.h (push_target): Remove, update callers to use inferior::push_target. * target.c (push_target): Remove. * inferior.h (class inferior) <push_target>: New overload. Change-Id: I5a95496666278b8f3965e5e8aecb76f54a97c185 |
||
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Simon Marchi
|
fadf6add30 |
gdb: remove unpush_target free function
unpush_target unpushes the passed-in target from the current inferior's target stack. Calling it is therefore an implicit dependency on the current global inferior. Remove that function and make the callers use the inferior::unpush_target method directly. This sometimes allows using the inferior from the context rather than the global current inferior. target_unpusher::operator() now needs to be implemented in target.c, otherwise target.h and inferior.h both need to include each other, and that wouldn't work. gdb/ChangeLog: * target.h (unpush_target): Remove, update all callers to use `inferior::unpush_target` instead. (struct target_unpusher) <operator()>: Just declare. * target.c (unpush_target): Remove. (target_unpusher::operator()): New. Change-Id: Ia5172dfb3f373e0a75b991885b50322ca2142a8c |
||
Tom de Vries
|
089436f787 |
[gdb/threads] Fix lin_thread_get_thread_signals for glibc 2.28
When running test-case gdb.threads/create-fail.exp on openSUSE Factory
(with glibc version 2.32) I run into:
...
(gdb) continue
Continuing.
[New Thread 0x7ffff7c83700 (LWP 626354)]
[New Thread 0x7ffff7482700 (LWP 626355)]
[Thread 0x7ffff7c83700 (LWP 626354) exited]
[New Thread 0x7ffff6c81700 (LWP 626356)]
[Thread 0x7ffff7482700 (LWP 626355) exited]
[New Thread 0x7ffff6480700 (LWP 626357)]
[Thread 0x7ffff6c81700 (LWP 626356) exited]
[New Thread 0x7ffff5c7f700 (LWP 626358)]
[Thread 0x7ffff6480700 (LWP 626357) exited]
pthread_create: 22: Invalid argument
Thread 6 "create-fail" received signal SIG32, Real-time event 32.
[Switching to Thread 0x7ffff5c7f700 (LWP 626358)]
0x00007ffff7d87695 in clone () from /lib64/libc.so.6
(gdb) FAIL: gdb.threads/create-fail.exp: iteration 1: run till end
...
The problem is that glibc-internal signal SIGCANCEL is not recognized by gdb.
There's code in check_thread_signals that is supposed to take care of that,
but it's not working because this code in lin_thread_get_thread_signals has
stopped working:
...
/* NPTL reserves the first two RT signals, but does not provide any
way for the debugger to query the signal numbers - fortunately
they don't change. */
sigaddset (set, __SIGRTMIN);
sigaddset (set, __SIGRTMIN + 1);
...
Since glibc commit d2dc5467c6 "Filter out NPTL internal signals (BZ #22391)"
(first released as part of glibc 2.28), a sigaddset with a glibc-internal
signal has no other effect than setting errno to EINVALID.
Fix this by eliminating the usage of sigset_t in check_thread_signals and
lin_thread_get_thread_signals.
The same problem was observed on Ubuntu 20.04.
Tested on x86_64-linux, openSUSE Factory.
Tested on aarch64-linux, Ubuntu 20.04 and Ubuntu 18.04.
gdb/ChangeLog:
2021-02-12 Tom de Vries <tdevries@suse.de>
PR threads/26228
* linux-nat.c (lin_thread_get_thread_signals): Remove.
(lin_thread_signals): New static var.
(lin_thread_get_thread_signal_num, lin_thread_get_thread_signal):
New function.
* linux-nat.h (lin_thread_get_thread_signals): Remove.
(lin_thread_get_thread_signal_num, lin_thread_get_thread_signal):
Declare.
* linux-thread-db.c (check_thread_signals): Use
lin_thread_get_thread_signal_num and lin_thread_get_thread_signal.
|
||
|
Simon Marchi
|
a59902a7c1 |
gdb: convert auto-load to new-style debug macros
Function file_is_auto_load_safe was taking a format string and varargs just to output a debug print. This is probably because that function is used in linux-thread-db.c and main.c, but debug_auto_load is static in auto-load.c. I simplified that, making debug_auto_load visible outside of auto-load.c, and making the callers of file_is_auto_load_safe output the debug print themselves. This file uses _() for internationalization of the debug messages. This is not necessary, as these are mostly messages for GDB developers, and it's not used in other files anyway. So I removed them. The rest is pretty much standard. gdb/ChangeLog: * auto-load.h (debug_auto_load): Move here. (auto_load_debug_printf): New. * auto-load.c: Use auto_load_debug_printf. (debug_auto_load): Move to header. * linux-thread-db.c (try_thread_db_load): Use auto_load_debug_printf. * main.c (captured_main_1): Likewise. Change-Id: I468dc2a1d24b7dbf171f55181a11abbfafe70ba1 |
||
|
Simon Marchi
|
6bd434d6ca |
gdb: make some variables static
I'm trying to enable clang's -Wmissing-variable-declarations warning. This patch fixes all the obvious spots where we can simply add "static" (at least, found when building on x86-64 Linux). gdb/ChangeLog: * aarch64-linux-tdep.c (aarch64_linux_record_tdep): Make static. * aarch64-tdep.c (tdesc_aarch64_list, aarch64_prologue_unwind, aarch64_stub_unwind, aarch64_normal_base, ): Make static. * arm-linux-tdep.c (arm_prologue_unwind): Make static. * arm-tdep.c (struct frame_unwind): Make static. * auto-load.c (auto_load_safe_path_vec): Make static. * csky-tdep.c (csky_stub_unwind): Make static. * gdbarch.c (gdbarch_data_registry): Make static. * gnu-v2-abi.c (gnu_v2_abi_ops): Make static. * i386-netbsd-tdep.c (i386nbsd_mc_reg_offset): Make static. * i386-tdep.c (i386_frame_setup_skip_insns, i386_tramp_chain_in_reg_insns, i386_tramp_chain_on_stack_insns): Make static. * infrun.c (observer_mode): Make static. * linux-nat.c (sigchld_action): Make static. * linux-thread-db.c (thread_db_list): Make static. * maint-test-options.c (maintenance_test_options_list): * mep-tdep.c (mep_csr_registers): Make static. * mi/mi-cmds.c (struct mi_cmd_stats): Remove struct type name. (stats): Make static. * nat/linux-osdata.c (struct osdata_type): Make static. * ppc-netbsd-tdep.c (ppcnbsd_reg_offsets): Make static. * progspace.c (last_program_space_num): Make static. * python/py-param.c (struct parm_constant): Remove struct type name. (parm_constants): Make static. * python/py-record-btrace.c (btpy_list_methods): Make static. * python/py-record.c (recpy_gap_type): Make static. * record.c (record_goto_cmdlist): Make static. * regcache.c (regcache_descr_handle): Make static. * registry.h (DEFINE_REGISTRY): Make definition static. * symmisc.c (std_in, std_out, std_err): Make static. * top.c (previous_saved_command_line): Make static. * tracepoint.c (trace_user, trace_notes, trace_stop_notes): Make static. * unittests/command-def-selftests.c (nr_duplicates, nr_invalid_prefixcmd, lists): Make static. * unittests/observable-selftests.c (test_notification): Make static. * unittests/optional/assignment/1.cc (counter): Make static. * unittests/optional/assignment/2.cc (counter): Make static. * unittests/optional/assignment/3.cc (counter): Make static. * unittests/optional/assignment/4.cc (counter): Make static. * unittests/optional/assignment/5.cc (counter): Make static. * unittests/optional/assignment/6.cc (counter): Make static. gdbserver/ChangeLog: * ax.cc (bytecode_address_table): Make static. * debug.cc (debug_file): Make static. * linux-low.cc (stopping_threads): Make static. (step_over_bkpt): Make static. * linux-x86-low.cc (amd64_emit_ops, i386_emit_ops): Make static. * tracepoint.cc (stop_tracing_bkpt, flush_trace_buffer_bkpt, alloced_trace_state_variables, trace_buffer_ctrl, tracing_start_time, tracing_stop_time, tracing_user_name, tracing_notes, tracing_stop_note): Make static. Change-Id: Ic1d8034723b7802502bda23770893be2338ab020 |
||
|
Joel Brobecker
|
3666a04883 |
Update copyright year range in all GDB files
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
|
||
|
Simon Marchi
|
dda83cd783 |
gdb, gdbserver, gdbsupport: fix leading space vs tabs issues
Many spots incorrectly use only spaces for indentation (for example, there are a lot of spots in ada-lang.c). I've always found it awkward when I needed to edit one of these spots: do I keep the original wrong indentation, or do I fix it? What if the lines around it are also wrong, do I fix them too? I probably don't want to fix them in the same patch, to avoid adding noise to my patch. So I propose to fix as much as possible once and for all (hopefully). One typical counter argument for this is that it makes code archeology more difficult, because git-blame will show this commit as the last change for these lines. My counter counter argument is: when git-blaming, you often need to do "blame the file at the parent commit" anyway, to go past some other refactor that touched the line you are interested in, but is not the change you are looking for. So you already need a somewhat efficient way to do this. Using some interactive tool, rather than plain git-blame, makes this trivial. For example, I use "tig blame <file>", where going back past the commit that changed the currently selected line is one keystroke. It looks like Magit in Emacs does it too (though I've never used it). Web viewers of Github and Gitlab do it too. My point is that it won't really make archeology more difficult. The other typical counter argument is that it will cause conflicts with existing patches. That's true... but it's a one time cost, and those are not conflicts that are difficult to resolve. I have also tried "git rebase --ignore-whitespace", it seems to work well. Although that will re-introduce the faulty indentation, so one needs to take care of fixing the indentation in the patch after that (which is easy). gdb/ChangeLog: * aarch64-linux-tdep.c: Fix indentation. * aarch64-ravenscar-thread.c: Fix indentation. * aarch64-tdep.c: Fix indentation. * aarch64-tdep.h: Fix indentation. * ada-lang.c: Fix indentation. * ada-lang.h: Fix indentation. * ada-tasks.c: Fix indentation. * ada-typeprint.c: Fix indentation. * ada-valprint.c: Fix indentation. * ada-varobj.c: Fix indentation. * addrmap.c: Fix indentation. * addrmap.h: Fix indentation. * agent.c: Fix indentation. * aix-thread.c: Fix indentation. * alpha-bsd-nat.c: Fix indentation. * alpha-linux-tdep.c: Fix indentation. * alpha-mdebug-tdep.c: Fix indentation. * alpha-nbsd-tdep.c: Fix indentation. * alpha-obsd-tdep.c: Fix indentation. * alpha-tdep.c: Fix indentation. * amd64-bsd-nat.c: Fix indentation. * amd64-darwin-tdep.c: Fix indentation. * amd64-linux-nat.c: Fix indentation. * amd64-linux-tdep.c: Fix indentation. * amd64-nat.c: Fix indentation. * amd64-obsd-tdep.c: Fix indentation. * amd64-tdep.c: Fix indentation. * amd64-windows-tdep.c: Fix indentation. * annotate.c: Fix indentation. * arc-tdep.c: Fix indentation. * arch-utils.c: Fix indentation. * arch/arm-get-next-pcs.c: Fix indentation. * arch/arm.c: Fix indentation. * arm-linux-nat.c: Fix indentation. * arm-linux-tdep.c: Fix indentation. * arm-nbsd-tdep.c: Fix indentation. * arm-pikeos-tdep.c: Fix indentation. * arm-tdep.c: Fix indentation. * arm-tdep.h: Fix indentation. * arm-wince-tdep.c: Fix indentation. * auto-load.c: Fix indentation. * auxv.c: Fix indentation. * avr-tdep.c: Fix indentation. * ax-gdb.c: Fix indentation. * ax-general.c: Fix indentation. * bfin-linux-tdep.c: Fix indentation. * block.c: Fix indentation. * block.h: Fix indentation. * blockframe.c: Fix indentation. * bpf-tdep.c: Fix indentation. * break-catch-sig.c: Fix indentation. * break-catch-syscall.c: Fix indentation. * break-catch-throw.c: Fix indentation. * breakpoint.c: Fix indentation. * breakpoint.h: Fix indentation. * bsd-uthread.c: Fix indentation. * btrace.c: Fix indentation. * build-id.c: Fix indentation. * buildsym-legacy.h: Fix indentation. * buildsym.c: Fix indentation. * c-typeprint.c: Fix indentation. * c-valprint.c: Fix indentation. * c-varobj.c: Fix indentation. * charset.c: Fix indentation. * cli/cli-cmds.c: Fix indentation. * cli/cli-decode.c: Fix indentation. * cli/cli-decode.h: Fix indentation. * cli/cli-script.c: Fix indentation. * cli/cli-setshow.c: Fix indentation. * coff-pe-read.c: Fix indentation. * coffread.c: Fix indentation. * compile/compile-cplus-types.c: Fix indentation. * compile/compile-object-load.c: Fix indentation. * compile/compile-object-run.c: Fix indentation. * completer.c: Fix indentation. * corefile.c: Fix indentation. * corelow.c: Fix indentation. * cp-abi.h: Fix indentation. * cp-namespace.c: Fix indentation. * cp-support.c: Fix indentation. * cp-valprint.c: Fix indentation. * cris-linux-tdep.c: Fix indentation. * cris-tdep.c: Fix indentation. * darwin-nat-info.c: Fix indentation. * darwin-nat.c: Fix indentation. * darwin-nat.h: Fix indentation. * dbxread.c: Fix indentation. * dcache.c: Fix indentation. * disasm.c: Fix indentation. * dtrace-probe.c: Fix indentation. * dwarf2/abbrev.c: Fix indentation. * dwarf2/attribute.c: Fix indentation. * dwarf2/expr.c: Fix indentation. * dwarf2/frame.c: Fix indentation. * dwarf2/index-cache.c: Fix indentation. * dwarf2/index-write.c: Fix indentation. * dwarf2/line-header.c: Fix indentation. * dwarf2/loc.c: Fix indentation. * dwarf2/macro.c: Fix indentation. * dwarf2/read.c: Fix indentation. * dwarf2/read.h: Fix indentation. * elfread.c: Fix indentation. * eval.c: Fix indentation. * event-top.c: Fix indentation. * exec.c: Fix indentation. * exec.h: Fix indentation. * expprint.c: Fix indentation. * f-lang.c: Fix indentation. * f-typeprint.c: Fix indentation. * f-valprint.c: Fix indentation. * fbsd-nat.c: Fix indentation. * fbsd-tdep.c: Fix indentation. * findvar.c: Fix indentation. * fork-child.c: Fix indentation. * frame-unwind.c: Fix indentation. * frame-unwind.h: Fix indentation. * frame.c: Fix indentation. * frv-linux-tdep.c: Fix indentation. * frv-tdep.c: Fix indentation. * frv-tdep.h: Fix indentation. * ft32-tdep.c: Fix indentation. * gcore.c: Fix indentation. * gdb_bfd.c: Fix indentation. * gdbarch.sh: Fix indentation. * gdbarch.c: Re-generate * gdbarch.h: Re-generate. * gdbcore.h: Fix indentation. * gdbthread.h: Fix indentation. * gdbtypes.c: Fix indentation. * gdbtypes.h: Fix indentation. * glibc-tdep.c: Fix indentation. * gnu-nat.c: Fix indentation. * gnu-nat.h: Fix indentation. * gnu-v2-abi.c: Fix indentation. * gnu-v3-abi.c: Fix indentation. * go32-nat.c: Fix indentation. * guile/guile-internal.h: Fix indentation. * guile/scm-cmd.c: Fix indentation. * guile/scm-frame.c: Fix indentation. * guile/scm-iterator.c: Fix indentation. * guile/scm-math.c: Fix indentation. * guile/scm-ports.c: Fix indentation. * guile/scm-pretty-print.c: Fix indentation. * guile/scm-value.c: Fix indentation. * h8300-tdep.c: Fix indentation. * hppa-linux-nat.c: Fix indentation. * hppa-linux-tdep.c: Fix indentation. * hppa-nbsd-nat.c: Fix indentation. * hppa-nbsd-tdep.c: Fix indentation. * hppa-obsd-nat.c: Fix indentation. * hppa-tdep.c: Fix indentation. * hppa-tdep.h: Fix indentation. * i386-bsd-nat.c: Fix indentation. * i386-darwin-nat.c: Fix indentation. * i386-darwin-tdep.c: Fix indentation. * i386-dicos-tdep.c: Fix indentation. * i386-gnu-nat.c: Fix indentation. * i386-linux-nat.c: Fix indentation. * i386-linux-tdep.c: Fix indentation. * i386-nto-tdep.c: Fix indentation. * i386-obsd-tdep.c: Fix indentation. * i386-sol2-nat.c: Fix indentation. * i386-tdep.c: Fix indentation. * i386-tdep.h: Fix indentation. * i386-windows-tdep.c: Fix indentation. * i387-tdep.c: Fix indentation. * i387-tdep.h: Fix indentation. * ia64-libunwind-tdep.c: Fix indentation. * ia64-libunwind-tdep.h: Fix indentation. * ia64-linux-nat.c: Fix indentation. * ia64-linux-tdep.c: Fix indentation. * ia64-tdep.c: Fix indentation. * ia64-tdep.h: Fix indentation. * ia64-vms-tdep.c: Fix indentation. * infcall.c: Fix indentation. * infcmd.c: Fix indentation. * inferior.c: Fix indentation. * infrun.c: Fix indentation. * iq2000-tdep.c: Fix indentation. * language.c: Fix indentation. * linespec.c: Fix indentation. * linux-fork.c: Fix indentation. * linux-nat.c: Fix indentation. * linux-tdep.c: Fix indentation. * linux-thread-db.c: Fix indentation. * lm32-tdep.c: Fix indentation. * m2-lang.c: Fix indentation. * m2-typeprint.c: Fix indentation. * m2-valprint.c: Fix indentation. * m32c-tdep.c: Fix indentation. * m32r-linux-tdep.c: Fix indentation. * m32r-tdep.c: Fix indentation. * m68hc11-tdep.c: Fix indentation. * m68k-bsd-nat.c: Fix indentation. * m68k-linux-nat.c: Fix indentation. * m68k-linux-tdep.c: Fix indentation. * m68k-tdep.c: Fix indentation. * machoread.c: Fix indentation. * macrocmd.c: Fix indentation. * macroexp.c: Fix indentation. * macroscope.c: Fix indentation. * macrotab.c: Fix indentation. * macrotab.h: Fix indentation. * main.c: Fix indentation. * mdebugread.c: Fix indentation. * mep-tdep.c: Fix indentation. * mi/mi-cmd-catch.c: Fix indentation. * mi/mi-cmd-disas.c: Fix indentation. * mi/mi-cmd-env.c: Fix indentation. * mi/mi-cmd-stack.c: Fix indentation. * mi/mi-cmd-var.c: Fix indentation. * mi/mi-cmds.c: Fix indentation. * mi/mi-main.c: Fix indentation. * mi/mi-parse.c: Fix indentation. * microblaze-tdep.c: Fix indentation. * minidebug.c: Fix indentation. * minsyms.c: Fix indentation. * mips-linux-nat.c: Fix indentation. * mips-linux-tdep.c: Fix indentation. * mips-nbsd-tdep.c: Fix indentation. * mips-tdep.c: Fix indentation. * mn10300-linux-tdep.c: Fix indentation. * mn10300-tdep.c: Fix indentation. * moxie-tdep.c: Fix indentation. * msp430-tdep.c: Fix indentation. * namespace.h: Fix indentation. * nat/fork-inferior.c: Fix indentation. * nat/gdb_ptrace.h: Fix indentation. * nat/linux-namespaces.c: Fix indentation. * nat/linux-osdata.c: Fix indentation. * nat/netbsd-nat.c: Fix indentation. * nat/x86-dregs.c: Fix indentation. * nbsd-nat.c: Fix indentation. * nbsd-tdep.c: Fix indentation. * nios2-linux-tdep.c: Fix indentation. * nios2-tdep.c: Fix indentation. * nto-procfs.c: Fix indentation. * nto-tdep.c: Fix indentation. * objfiles.c: Fix indentation. * objfiles.h: Fix indentation. * opencl-lang.c: Fix indentation. * or1k-tdep.c: Fix indentation. * osabi.c: Fix indentation. * osabi.h: Fix indentation. * osdata.c: Fix indentation. * p-lang.c: Fix indentation. * p-typeprint.c: Fix indentation. * p-valprint.c: Fix indentation. * parse.c: Fix indentation. * ppc-linux-nat.c: Fix indentation. * ppc-linux-tdep.c: Fix indentation. * ppc-nbsd-nat.c: Fix indentation. * ppc-nbsd-tdep.c: Fix indentation. * ppc-obsd-nat.c: Fix indentation. * ppc-ravenscar-thread.c: Fix indentation. * ppc-sysv-tdep.c: Fix indentation. * ppc64-tdep.c: Fix indentation. * printcmd.c: Fix indentation. * proc-api.c: Fix indentation. * producer.c: Fix indentation. * producer.h: Fix indentation. * prologue-value.c: Fix indentation. * prologue-value.h: Fix indentation. * psymtab.c: Fix indentation. * python/py-arch.c: Fix indentation. * python/py-bpevent.c: Fix indentation. * python/py-event.c: Fix indentation. * python/py-event.h: Fix indentation. * python/py-finishbreakpoint.c: Fix indentation. * python/py-frame.c: Fix indentation. * python/py-framefilter.c: Fix indentation. * python/py-inferior.c: Fix indentation. * python/py-infthread.c: Fix indentation. * python/py-objfile.c: Fix indentation. * python/py-prettyprint.c: Fix indentation. * python/py-registers.c: Fix indentation. * python/py-signalevent.c: Fix indentation. * python/py-stopevent.c: Fix indentation. * python/py-stopevent.h: Fix indentation. * python/py-threadevent.c: Fix indentation. * python/py-tui.c: Fix indentation. * python/py-unwind.c: Fix indentation. * python/py-value.c: Fix indentation. * python/py-xmethods.c: Fix indentation. * python/python-internal.h: Fix indentation. * python/python.c: Fix indentation. * ravenscar-thread.c: Fix indentation. * record-btrace.c: Fix indentation. * record-full.c: Fix indentation. * record.c: Fix indentation. * reggroups.c: Fix indentation. * regset.h: Fix indentation. * remote-fileio.c: Fix indentation. * remote.c: Fix indentation. * reverse.c: Fix indentation. * riscv-linux-tdep.c: Fix indentation. * riscv-ravenscar-thread.c: Fix indentation. * riscv-tdep.c: Fix indentation. * rl78-tdep.c: Fix indentation. * rs6000-aix-tdep.c: Fix indentation. * rs6000-lynx178-tdep.c: Fix indentation. * rs6000-nat.c: Fix indentation. * rs6000-tdep.c: Fix indentation. * rust-lang.c: Fix indentation. * rx-tdep.c: Fix indentation. * s12z-tdep.c: Fix indentation. * s390-linux-tdep.c: Fix indentation. * score-tdep.c: Fix indentation. * ser-base.c: Fix indentation. * ser-mingw.c: Fix indentation. * ser-uds.c: Fix indentation. * ser-unix.c: Fix indentation. * serial.c: Fix indentation. * sh-linux-tdep.c: Fix indentation. * sh-nbsd-tdep.c: Fix indentation. * sh-tdep.c: Fix indentation. * skip.c: Fix indentation. * sol-thread.c: Fix indentation. * solib-aix.c: Fix indentation. * solib-darwin.c: Fix indentation. * solib-frv.c: Fix indentation. * solib-svr4.c: Fix indentation. * solib.c: Fix indentation. * source.c: Fix indentation. * sparc-linux-tdep.c: Fix indentation. * sparc-nbsd-tdep.c: Fix indentation. * sparc-obsd-tdep.c: Fix indentation. * sparc-ravenscar-thread.c: Fix indentation. * sparc-tdep.c: Fix indentation. * sparc64-linux-tdep.c: Fix indentation. * sparc64-nbsd-tdep.c: Fix indentation. * sparc64-obsd-tdep.c: Fix indentation. * sparc64-tdep.c: Fix indentation. * stabsread.c: Fix indentation. * stack.c: Fix indentation. * stap-probe.c: Fix indentation. * stubs/ia64vms-stub.c: Fix indentation. * stubs/m32r-stub.c: Fix indentation. * stubs/m68k-stub.c: Fix indentation. * stubs/sh-stub.c: Fix indentation. * stubs/sparc-stub.c: Fix indentation. * symfile-mem.c: Fix indentation. * symfile.c: Fix indentation. * symfile.h: Fix indentation. * symmisc.c: Fix indentation. * symtab.c: Fix indentation. * symtab.h: Fix indentation. * target-float.c: Fix indentation. * target.c: Fix indentation. * target.h: Fix indentation. * tic6x-tdep.c: Fix indentation. * tilegx-linux-tdep.c: Fix indentation. * tilegx-tdep.c: Fix indentation. * top.c: Fix indentation. * tracefile-tfile.c: Fix indentation. * tracepoint.c: Fix indentation. * tui/tui-disasm.c: Fix indentation. * tui/tui-io.c: Fix indentation. * tui/tui-regs.c: Fix indentation. * tui/tui-stack.c: Fix indentation. * tui/tui-win.c: Fix indentation. * tui/tui-winsource.c: Fix indentation. * tui/tui.c: Fix indentation. * typeprint.c: Fix indentation. * ui-out.h: Fix indentation. * unittests/copy_bitwise-selftests.c: Fix indentation. * unittests/memory-map-selftests.c: Fix indentation. * utils.c: Fix indentation. * v850-tdep.c: Fix indentation. * valarith.c: Fix indentation. * valops.c: Fix indentation. * valprint.c: Fix indentation. * valprint.h: Fix indentation. * value.c: Fix indentation. * value.h: Fix indentation. * varobj.c: Fix indentation. * vax-tdep.c: Fix indentation. * windows-nat.c: Fix indentation. * windows-tdep.c: Fix indentation. * xcoffread.c: Fix indentation. * xml-syscall.c: Fix indentation. * xml-tdesc.c: Fix indentation. * xstormy16-tdep.c: Fix indentation. * xtensa-config.c: Fix indentation. * xtensa-linux-nat.c: Fix indentation. * xtensa-linux-tdep.c: Fix indentation. * xtensa-tdep.c: Fix indentation. gdbserver/ChangeLog: * ax.cc: Fix indentation. * dll.cc: Fix indentation. * inferiors.h: Fix indentation. * linux-low.cc: Fix indentation. * linux-nios2-low.cc: Fix indentation. * linux-ppc-ipa.cc: Fix indentation. * linux-ppc-low.cc: Fix indentation. * linux-x86-low.cc: Fix indentation. * linux-xtensa-low.cc: Fix indentation. * regcache.cc: Fix indentation. * server.cc: Fix indentation. * tracepoint.cc: Fix indentation. gdbsupport/ChangeLog: * common-exceptions.h: Fix indentation. * event-loop.cc: Fix indentation. * fileio.cc: Fix indentation. * filestuff.cc: Fix indentation. * gdb-dlfcn.cc: Fix indentation. * gdb_string_view.h: Fix indentation. * job-control.cc: Fix indentation. * signals.cc: Fix indentation. Change-Id: I4bad7ae6be0fbe14168b8ebafb98ffe14964a695 |
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Tom Tromey
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7e10abd146 |
Remove the exec_bfd macro
This removes the exec_bfd macro, in favor of new accessors on program_space. In one spot the accessor can't be used; but this is still a big improvement over the macro, IMO. gdb/ChangeLog 2020-10-29 Tom Tromey <tom@tromey.com> * windows-tdep.c (windows_solib_create_inferior_hook): Update. * symfile.c (reread_symbols): Update. * symfile-mem.c (add_symbol_file_from_memory_command) (add_vsyscall_page): Update. * source-cache.c (source_cache::get_plain_source_lines): Update. * solib-svr4.c (find_program_interpreter, elf_locate_base) (svr4_current_sos_direct, svr4_exec_displacement) (svr4_relocate_main_executable): Update. (svr4_iterate_over_objfiles_in_search_order): Update. * solib-frv.c (enable_break2, enable_break): Update. * solib-dsbt.c (lm_base, enable_break): Update. * solib-darwin.c (find_program_interpreter) (darwin_solib_create_inferior_hook): Update. * sol-thread.c (rw_common, ps_pdmodel): Update. * rs6000-nat.c (rs6000_nat_target::create_inferior): Update. * remote.c (compare_sections_command) (remote_target::trace_set_readonly_regions): Update. * remote-sim.c (get_sim_inferior_data) (gdbsim_target::create_inferior, gdbsim_target::create_inferior): Update. (gdbsim_target_open, gdbsim_target::files_info): Update. * exec.h (exec_bfd): Remove macro. * progspace.c (initialize_progspace): Update. * proc-service.c (ps_addr_to_core_addr, core_addr_to_ps_addr): Update. * nto-procfs.c (nto_procfs_target::post_attach) (nto_procfs_target::create_inferior): Update. * maint.c (maintenance_info_sections): Update. * linux-thread-db.c (thread_db_target::get_thread_local_address): Update. * infcmd.c (post_create_inferior): Update. * gcore.c (default_gcore_arch, default_gcore_target): Update. (objfile_find_memory_regions): Update. * exec.c (validate_exec_file, exec_file_attach) (exec_read_partial_read_only, print_section_info): Update. * corelow.c (core_target_open): Update. * corefile.c (reopen_exec_file, validate_files): Update. * arm-tdep.c (gdb_print_insn_arm): Update. * arch-utils.c (gdbarch_update_p, default_print_insn): Update. * progspace.h (struct program_space) <exec_bfd, set_exec_bfd>: New methods. |
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Simon Marchi
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3f66685e9e |
gdb: pass inferior to check_pid_namespace_match
Pass the inferior argument available in thread_db_inferior_created, and use it to do most things requiring the inferior. check_pid_namespace_match is not completely decoupled from the current inferior yet, there are hidden references behind target_can_run, for example. But I think this is still a good step forward. gdb/ChangeLog: * linux-thread-db.c (check_pid_namespace_match): Add inferior parameter and use it. (thread_db_inferior_created): Pass inferior argument. Change-Id: Ib768b14fc61dcf115fe13f776691f2c2f36e0679 |
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Simon Marchi
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a0ff652f4c |
gdb: add inferior parameter to inferior_created observable
I think it would make sense for the inferior_created observable to say which inferior is being dealt with, rather than relying on it being the current inferior. This patch adds an inferior parameter to inferior_created, but does not change the callbacks to use it. gdb/ChangeLog: * aix-thread.c (aix_thread_inferior_created): Add inferior parameter. * bsd-uthread.c (bsd_uthread_inferior_created): Likewise. * dummy-frame.c (cleanup_dummy_frames): Likewise. * jit.c (jit_inferior_created): Likewise. * linux-thread-db.c (thread_db_inferior_created): Likewise. * m68k-linux-tdep.c (m68k_linux_inferior_created): Likewise. * observable.h (inferior_created): Likewise. * ravenscar-thread.c (ravenscar_inferior_created): Likewise. * symfile-mem.c (add_vsyscall_page): Likewise. * infcmd.c (post_create_inferior): Pass inferior argument. Change-Id: I2543d19ff055a9df6b269929faea10b27d2adc5e |
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Simon Marchi
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a7aba2668a |
gdb: remove arguments from inferior_created observable
I noticed that non of the listeners of the inferior_created observable used either of the arguments. Remove them. This in turn allows removing the target parameter of post_create_inferior. Tested only by rebuilding. gdb/ChangeLog: * observable.h <inferior_created>: Remove parameters. Update all listeners. * inferior.h (post_create_inferior): Remove target parameter. Update all callers. Change-Id: I8944cefdc4447ed5347dc927b75abf1e7a0e27e6 |
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Tom Tromey
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55f6301ac0 |
Remove target_has_execution macro
This removes the object-like macro target_has_execution, replacing it with a function call. target_has_execution_current is also now handled by this function. gdb/ChangeLog 2020-09-28 Tom Tromey <tom@tromey.com> * inferior.h (class inferior) <has_execution>: Update. * windows-tdep.c (windows_solib_create_inferior_hook): Update. * valops.c (find_function_in_inferior) (value_allocate_space_in_inferior): Update. * top.c (kill_or_detach): Update. * target.c (target_preopen, set_target_permissions): Update. (target_has_execution_current): Remove. * sparc64-tdep.c (adi_examine_command, adi_assign_command): Update. * solib.c (update_solib_list, reload_shared_libraries): Update. * solib-svr4.c (svr4_solib_create_inferior_hook): Update. * solib-dsbt.c (enable_break): Update. * score-tdep.c (score7_fetch_inst): Update. * rs6000-nat.c (rs6000_nat_target::xfer_shared_libraries): Update. * remote.c (remote_target::start_remote) (remote_target::remote_check_symbols, remote_target::open_1) (remote_target::remote_detach_1, remote_target::verify_memory) (remote_target::xfer_partial, remote_target::read_description) (remote_target::get_min_fast_tracepoint_insn_len): Update. * record-full.c (record_full_open_1): Update. * record-btrace.c (record_btrace_target_open): Update. * objc-lang.c (lookup_objc_class, lookup_child_selector) (value_nsstring): Update. * linux-thread-db.c (add_thread_db_info) (thread_db_find_new_threads_silently, check_thread_db_callback) (try_thread_db_load_1, record_thread): Update. * linux-tdep.c (linux_info_proc, linux_vsyscall_range_raw): Update. * linux-fork.c (checkpoint_command): Update. * infrun.c (set_non_stop, set_observer_mode) (check_multi_target_resumption, for_each_just_stopped_thread) (maybe_remove_breakpoints, normal_stop) (class infcall_suspend_state): Update. * infcmd.c (ERROR_NO_INFERIOR, kill_if_already_running) (info_program_command, attach_command): Update. * infcall.c (call_function_by_hand_dummy): Update. * inf-loop.c (inferior_event_handler): Update. * gcore.c (gcore_command, derive_heap_segment): Update. * exec.c (exec_file_command): Update. * eval.c (evaluate_subexp): Update. * compile/compile.c (compile_to_object): Update. * cli/cli-dump.c (restore_command): Update. * breakpoint.c (update_watchpoint) (update_inserted_breakpoint_locations) (insert_breakpoint_locations, get_bpstat_thread): Update. * target.h (target_has_execution): Remove macro. (target_has_execution_current): Don't declare. (target_has_execution): Rename from target_has_execution_1. Add argument default. |
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Tom Tromey
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9dccd06e8a |
Remove target_has_registers macro
This removes the target_has_registers object-like macro, replacing it with the underlying function. gdb/ChangeLog 2020-09-28 Tom Tromey <tom@tromey.com> * tui/tui-regs.c (tui_get_register) (tui_data_window::show_registers): Update. * thread.c (scoped_restore_current_thread::restore) (scoped_restore_current_thread::scoped_restore_current_thread): Update. * regcache-dump.c (regcache_print): Update. * python/py-finishbreakpoint.c (bpfinishpy_detect_out_scope_cb): Update. * mi/mi-main.c (mi_cmd_data_write_register_values): Update. * mep-tdep.c (current_me_module, current_options): Update. * linux-thread-db.c (thread_db_load): Update. * infcmd.c (registers_info, info_vector_command) (info_float_command): Update. * ia64-tdep.c (ia64_frame_prev_register) (ia64_sigtramp_frame_prev_register): Update. * ia64-libunwind-tdep.c (libunwind_frame_prev_register): Update. * gcore.c (derive_stack_segment): Update. * frame.c (get_current_frame, has_stack_frames): Update. * findvar.c (language_defn::read_var_value): Update. * arm-tdep.c (arm_pc_is_thumb): Update. * target.c (target_has_registers): Rename from target_has_registers_1. * target.h (target_has_registers): Remove macro. (target_has_registers): Rename from target_has_registers_1. |
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Tom Tromey
|
b60cea74de |
Make target_wait options use enum flags
This changes TARGET_WNOHANG to be a member of an enum, rather than a define, and also adds a DEF_ENUM_FLAGS_TYPE for this type. Then, it changes target_wait and the various target wait methods to use this type rather than "int". This didn't catch any bugs, but it seems like a decent cleanup nevertheless. I did not change deprecated_target_wait_hook, since that's only used out-of-tree (by Insight), and there didn't seem to be a need. I can't build some of these targets, so I modified them on a best-effort basis. I don't think this patch should go in before the release branch is made. gdb/ChangeLog 2020-09-18 Tom Tromey <tromey@adacore.com> * windows-nat.c (struct windows_nat_target) <wait>: Update. (windows_nat_target::wait): Update. * target/wait.h (enum target_wait_flag): New. Use DEF_ENUM_FLAGS_TYPE. * target/target.h (target_wait): Change type of options. * target.h (target_options_to_string, default_target_wait): Update. (struct target_ops) <wait>: Change type of options. * target.c (target_wait, default_target_wait, do_option): Change type of "options". (target_options_to_string): Likewise. * target-delegates.c: Rebuild. * target-debug.h (target_debug_print_target_wait_flags): Rename from target_debug_print_options. * sol-thread.c (class sol_thread_target) <wait>: Update. (sol_thread_target::wait): Update. * rs6000-nat.c (class rs6000_nat_target) <wait>: Update. (rs6000_nat_target::wait): Update. * remote.c (class remote_target) <wait, wait_ns, wait_as>: Update. (remote_target::wait_ns, remote_target::wait_as): Change type of "options". (remote_target::wait): Update. * remote-sim.c (struct gdbsim_target) <wait>: Update. (gdbsim_target::wait): Update. * record-full.c (class record_full_base_target) <wait>: Update. (record_full_wait_1): Change type of "options". (record_full_base_target::wait): Update. * record-btrace.c (class record_btrace_target) <wait>: Update. (record_btrace_target::wait): Update. * ravenscar-thread.c (struct ravenscar_thread_target) <wait>: Update. (ravenscar_thread_target::wait): Update. * procfs.c (class procfs_target) <wait>: Update. (procfs_target::wait): Update. * obsd-nat.h (class obsd_nat_target) <wait>: Update. * obsd-nat.c (obsd_nat_target::wait): Update. * nto-procfs.c (struct nto_procfs_target) <wait>: Update. (nto_procfs_target::wait): Update. * nbsd-nat.h (struct nbsd_nat_target) <wait>: Update. * nbsd-nat.c (nbsd_wait): Change type of "options". (nbsd_nat_target::wait): Update. * linux-thread-db.c (class thread_db_target) <wait>: Update. (thread_db_target::wait): Update. * linux-nat.h (class linux_nat_target) <wait>: Update. * linux-nat.c (linux_nat_target::wait): Update. (linux_nat_wait_1): Update. * infrun.c (do_target_wait_1, do_target_wait): Change type of "options". * inf-ptrace.h (struct inf_ptrace_target) <wait>: Update. * inf-ptrace.c (inf_ptrace_target::wait): Update. * go32-nat.c (struct go32_nat_target) <wait>: Update. (go32_nat_target::wait): Update. * gnu-nat.h (struct gnu_nat_target) <wait>: Update. * gnu-nat.c (gnu_nat_target::wait): Update. * fbsd-nat.h (class fbsd_nat_target) <wait>: Update. * fbsd-nat.c (fbsd_nat_target::wait): Update. * darwin-nat.h (class darwin_nat_target) <wait>: Update. * darwin-nat.c (darwin_nat_target::wait): Update. * bsd-uthread.c (struct bsd_uthread_target) <wait>: Update. (bsd_uthread_target::wait): Update. * aix-thread.c (class aix_thread_target) <wait>: Update. (aix_thread_target::wait): Update. gdbserver/ChangeLog 2020-09-18 Tom Tromey <tromey@adacore.com> * netbsd-low.h (class netbsd_process_target) <wait>: Update. * netbsd-low.cc (netbsd_waitpid, netbsd_wait) (netbsd_process_target::wait): Change type of target_options. * win32-low.h (class win32_process_target) <wait>: Update. * win32-low.cc (win32_process_target::wait): Update. * target.h (class process_stratum_target) <wait>: Update. (mywait): Update. * target.cc (mywait, target_wait): Change type of "options". * linux-low.h (class linux_process_target) <wait, wait_1>: Update. * linux-low.cc (linux_process_target::wait) (linux_process_target::wait_1): Update. |
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Tom Tromey
|
6692031743 |
Change target_read_string API
This simplifies the target_read_string API a bit. Note that some code was using safe_strerror on the error codes returned by target_read_string. It seems to me that this is incorrect (if it was ever correct, it must have been quite a long time ago). gdb/ChangeLog 2020-06-15 Tom Tromey <tromey@adacore.com> * windows-nat.c (windows_nat::handle_output_debug_string): Update. (windows_nat::handle_ms_vc_exception): Update. * target.h (target_read_string): Change API. * target.c (target_read_string): Change API. * solib-svr4.c (open_symbol_file_object, svr4_read_so_list): Update. * solib-frv.c (frv_current_sos): Update. * solib-dsbt.c (dsbt_current_sos): Update. * solib-darwin.c (darwin_current_sos): Update. * linux-thread-db.c (inferior_has_bug): Update. * expprint.c (print_subexp_standard): Update. * ada-lang.c (ada_main_name, ada_tag_name_from_tsd) (ada_exception_message_1): Update. |
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Simon Marchi
|
6c2659886f |
gdb: add back declarations for _initialize functions
I'd like to enable the -Wmissing-declarations warning. However, it
warns for every _initialize function, for example:
CXX dcache.o
/home/smarchi/src/binutils-gdb/gdb/dcache.c: In function ‘void _initialize_dcache()’:
/home/smarchi/src/binutils-gdb/gdb/dcache.c:688:1: error: no previous declaration for ‘void _initialize_dcache()’ [-Werror=missing-declarations]
_initialize_dcache (void)
^~~~~~~~~~~~~~~~~~
The only practical way forward I found is to add back the declarations,
which were removed by this commit:
commit
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Pedro Alves
|
5b6d1e4fa4 |
Multi-target support
This commit adds multi-target support to GDB. What this means is that
with this commit, GDB can now be connected to different targets at the
same time. E.g., you can debug a live native process and a core dump
at the same time, connect to multiple gdbservers, etc.
Actually, the word "target" is overloaded in gdb. We already have a
target stack, with pushes several target_ops instances on top of one
another. We also have "info target" already, which means something
completely different to what this patch does.
So from here on, I'll be using the "target connections" term, to mean
an open process_stratum target, pushed on a target stack. This patch
makes gdb have multiple target stacks, and multiple process_stratum
targets open simultaneously. The user-visible changes / commands will
also use this terminology, but of course it's all open to debate.
User-interface-wise, not that much changes. The main difference is
that each inferior may have its own target connection.
A target connection (e.g., a target extended-remote connection) may
support debugging multiple processes, just as before.
Say you're debugging against gdbserver in extended-remote mode, and
you do "add-inferior" to prepare to spawn a new process, like:
(gdb) target extended-remote :9999
...
(gdb) start
...
(gdb) add-inferior
Added inferior 2
(gdb) inferior 2
[Switching to inferior 2 [<null>] (<noexec>)]
(gdb) file a.out
...
(gdb) start
...
At this point, you have two inferiors connected to the same gdbserver.
With this commit, GDB will maintain a target stack per inferior,
instead of a global target stack.
To preserve the behavior above, by default, "add-inferior" makes the
new inferior inherit a copy of the target stack of the current
inferior. Same across a fork - the child inherits a copy of the
target stack of the parent. While the target stacks are copied, the
targets themselves are not. Instead, target_ops is made a
refcounted_object, which means that target_ops instances are
refcounted, which each inferior counting for a reference.
What if you want to create an inferior and connect it to some _other_
target? For that, this commit introduces a new "add-inferior
-no-connection" option that makes the new inferior not share the
current inferior's target. So you could do:
(gdb) target extended-remote :9999
Remote debugging using :9999
...
(gdb) add-inferior -no-connection
[New inferior 2]
Added inferior 2
(gdb) inferior 2
[Switching to inferior 2 [<null>] (<noexec>)]
(gdb) info inferiors
Num Description Executable
1 process 18401 target:/home/pedro/tmp/main
* 2 <null>
(gdb) tar extended-remote :10000
Remote debugging using :10000
...
(gdb) info inferiors
Num Description Executable
1 process 18401 target:/home/pedro/tmp/main
* 2 process 18450 target:/home/pedro/tmp/main
(gdb)
A following patch will extended "info inferiors" to include a column
indicating which connection an inferior is bound to, along with a
couple other UI tweaks.
Other than that, debugging is the same as before. Users interact with
inferiors and threads as before. The only difference is that
inferiors may be bound to processes running in different machines.
That's pretty much all there is to it in terms of noticeable UI
changes.
On to implementation.
Since we can be connected to different systems at the same time, a
ptid_t is no longer a unique identifier. Instead a thread can be
identified by a pair of ptid_t and 'process_stratum_target *', the
later being the instance of the process_stratum target that owns the
process/thread. Note that process_stratum_target inherits from
target_ops, and all process_stratum targets inherit from
process_stratum_target. In earlier patches, many places in gdb were
converted to refer to threads by thread_info pointer instead of
ptid_t, but there are still places in gdb where we start with a
pid/tid and need to find the corresponding inferior or thread_info
objects. So you'll see in the patch many places adding a
process_stratum_target parameter to functions that used to take only a
ptid_t.
Since each inferior has its own target stack now, we can always find
the process_stratum target for an inferior. That is done via a
inf->process_target() convenience method.
Since each inferior has its own target stack, we need to handle the
"beneath" calls when servicing target calls. The solution I settled
with is just to make sure to switch the current inferior to the
inferior you want before making a target call. Not relying on global
context is just not feasible in current GDB. Fortunately, there
aren't that many places that need to do that, because generally most
code that calls target methods already has the current context
pointing to the right inferior/thread. Note, to emphasize -- there's
no method to "switch to this target stack". Instead, you switch the
current inferior, and that implicitly switches the target stack.
In some spots, we need to iterate over all inferiors so that we reach
all target stacks.
Native targets are still singletons. There's always only a single
instance of such targets.
Remote targets however, we'll have one instance per remote connection.
The exec target is still a singleton. There's only one instance. I
did not see the point of instanciating more than one exec_target
object.
After vfork, we need to make sure to push the exec target on the new
inferior. See exec_on_vfork.
For type safety, functions that need a {target, ptid} pair to identify
a thread, take a process_stratum_target pointer for target parameter
instead of target_ops *. Some shared code in gdb/nat/ also need to
gain a target pointer parameter. This poses an issue, since gdbserver
doesn't have process_stratum_target, only target_ops. To fix this,
this commit renames gdbserver's target_ops to process_stratum_target.
I think this makes sense. There's no concept of target stack in
gdbserver, and gdbserver's target_ops really implements a
process_stratum-like target.
The thread and inferior iterator functions also gain
process_stratum_target parameters. These are used to be able to
iterate over threads and inferiors of a given target. Following usual
conventions, if the target pointer is null, then we iterate over
threads and inferiors of all targets.
I tried converting "add-inferior" to the gdb::option framework, as a
preparatory patch, but that stumbled on the fact that gdb::option does
not support file options yet, for "add-inferior -exec". I have a WIP
patchset that adds that, but it's not a trivial patch, mainly due to
need to integrate readline's filename completion, so I deferred that
to some other time.
In infrun.c/infcmd.c, the main change is that we need to poll events
out of all targets. See do_target_wait. Right after collecting an
event, we switch the current inferior to an inferior bound to the
target that reported the event, so that target methods can be used
while handling the event. This makes most of the code transparent to
multi-targets. See fetch_inferior_event.
infrun.c:stop_all_threads is interesting -- in this function we need
to stop all threads of all targets. What the function does is send an
asynchronous stop request to all threads, and then synchronously waits
for events, with target_wait, rinse repeat, until all it finds are
stopped threads. Now that we have multiple targets, it's not
efficient to synchronously block in target_wait waiting for events out
of one target. Instead, we implement a mini event loop, with
interruptible_select, select'ing on one file descriptor per target.
For this to work, we need to be able to ask the target for a waitable
file descriptor. Such file descriptors already exist, they are the
descriptors registered in the main event loop with add_file_handler,
inside the target_async implementations. This commit adds a new
target_async_wait_fd target method that just returns the file
descriptor in question. See wait_one / stop_all_threads in infrun.c.
The 'threads_executing' global is made a per-target variable. Since
it is only relevant to process_stratum_target targets, this is where
it is put, instead of in target_ops.
You'll notice that remote.c includes some FIXME notes. These refer to
the fact that the global arrays that hold data for the remote packets
supported are still globals. For example, if we connect to two
different servers/stubs, then each might support different remote
protocol features. They might even be different architectures, like
e.g., one ARM baremetal stub, and a x86 gdbserver, to debug a
host/controller scenario as a single program. That isn't going to
work correctly today, because of said globals. I'm leaving fixing
that for another pass, since it does not appear to be trivial, and I'd
rather land the base work first. It's already useful to be able to
debug multiple instances of the same server (e.g., a distributed
cluster, where you have full control over the servers installed), so I
think as is it's already reasonable incremental progress.
Current limitations:
- You can only resume more that one target at the same time if all
targets support asynchronous debugging, and support non-stop mode.
It should be possible to support mixed all-stop + non-stop
backends, but that is left for another time. This means that
currently in order to do multi-target with gdbserver you need to
issue "maint set target-non-stop on". I would like to make that
mode be the default, but we're not there yet. Note that I'm
talking about how the target backend works, only. User-visible
all-stop mode works just fine.
- As explained above, connecting to different remote servers at the
same time is likely to produce bad results if they don't support the
exact set of RSP features.
FreeBSD updates courtesy of John Baldwin.
gdb/ChangeLog:
2020-01-10 Pedro Alves <palves@redhat.com>
John Baldwin <jhb@FreeBSD.org>
* aarch64-linux-nat.c
(aarch64_linux_nat_target::thread_architecture): Adjust.
* ada-tasks.c (print_ada_task_info): Adjust find_thread_ptid call.
(task_command_1): Likewise.
* aix-thread.c (sync_threadlists, aix_thread_target::resume)
(aix_thread_target::wait, aix_thread_target::fetch_registers)
(aix_thread_target::store_registers)
(aix_thread_target::thread_alive): Adjust.
* amd64-fbsd-tdep.c: Include "inferior.h".
(amd64fbsd_get_thread_local_address): Pass down target.
* amd64-linux-nat.c (ps_get_thread_area): Use ps_prochandle
thread's gdbarch instead of target_gdbarch.
* break-catch-sig.c (signal_catchpoint_print_it): Adjust call to
get_last_target_status.
* break-catch-syscall.c (print_it_catch_syscall): Likewise.
* breakpoint.c (breakpoints_should_be_inserted_now): Consider all
inferiors.
(update_inserted_breakpoint_locations): Skip if inferiors with no
execution.
(update_global_location_list): When handling moribund locations,
find representative inferior for location's pspace, and use thread
count of its process_stratum target.
* bsd-kvm.c (bsd_kvm_target_open): Pass target down.
* bsd-uthread.c (bsd_uthread_target::wait): Use
as_process_stratum_target and adjust thread_change_ptid and
add_thread calls.
(bsd_uthread_target::update_thread_list): Use
as_process_stratum_target and adjust find_thread_ptid,
thread_change_ptid and add_thread calls.
* btrace.c (maint_btrace_packet_history_cmd): Adjust
find_thread_ptid call.
* corelow.c (add_to_thread_list): Adjust add_thread call.
(core_target_open): Adjust add_thread_silent and thread_count
calls.
(core_target::pid_to_str): Adjust find_inferior_ptid call.
* ctf.c (ctf_target_open): Adjust add_thread_silent call.
* event-top.c (async_disconnect): Pop targets from all inferiors.
* exec.c (add_target_sections): Push exec target on all inferiors
sharing the program space.
(remove_target_sections): Remove the exec target from all
inferiors sharing the program space.
(exec_on_vfork): New.
* exec.h (exec_on_vfork): Declare.
* fbsd-nat.c (fbsd_add_threads): Add fbsd_nat_target parameter.
Pass it down.
(fbsd_nat_target::update_thread_list): Adjust.
(fbsd_nat_target::resume): Adjust.
(fbsd_handle_debug_trap): Add fbsd_nat_target parameter. Pass it
down.
(fbsd_nat_target::wait, fbsd_nat_target::post_attach): Adjust.
* fbsd-tdep.c (fbsd_corefile_thread): Adjust
get_thread_arch_regcache call.
* fork-child.c (gdb_startup_inferior): Pass target down to
startup_inferior and set_executing.
* gdbthread.h (struct process_stratum_target): Forward declare.
(add_thread, add_thread_silent, add_thread_with_info)
(in_thread_list): Add process_stratum_target parameter.
(find_thread_ptid(inferior*, ptid_t)): New overload.
(find_thread_ptid, thread_change_ptid): Add process_stratum_target
parameter.
(all_threads()): Delete overload.
(all_threads, all_non_exited_threads): Add process_stratum_target
parameter.
(all_threads_safe): Use brace initialization.
(thread_count): Add process_stratum_target parameter.
(set_resumed, set_running, set_stop_requested, set_executing)
(threads_are_executing, finish_thread_state): Add
process_stratum_target parameter.
(switch_to_thread): Use is_current_thread.
* i386-fbsd-tdep.c: Include "inferior.h".
(i386fbsd_get_thread_local_address): Pass down target.
* i386-linux-nat.c (i386_linux_nat_target::low_resume): Adjust.
* inf-child.c (inf_child_target::maybe_unpush_target): Remove
have_inferiors check.
* inf-ptrace.c (inf_ptrace_target::create_inferior)
(inf_ptrace_target::attach): Adjust.
* infcall.c (run_inferior_call): Adjust.
* infcmd.c (run_command_1): Pass target to
scoped_finish_thread_state.
(proceed_thread_callback): Skip inferiors with no execution.
(continue_command): Rename 'all_threads' local to avoid hiding
'all_threads' function. Adjust get_last_target_status call.
(prepare_one_step): Adjust set_running call.
(signal_command): Use user_visible_resume_target. Compare thread
pointers instead of inferior_ptid.
(info_program_command): Adjust to pass down target.
(attach_command): Mark target's 'thread_executing' flag.
(stop_current_target_threads_ns): New, factored out from ...
(interrupt_target_1): ... this. Switch inferior before making
target calls.
* inferior-iter.h
(struct all_inferiors_iterator, struct all_inferiors_range)
(struct all_inferiors_safe_range)
(struct all_non_exited_inferiors_range): Filter on
process_stratum_target too. Remove explicit.
* inferior.c (inferior::inferior): Push dummy target on target
stack.
(find_inferior_pid, find_inferior_ptid, number_of_live_inferiors):
Add process_stratum_target parameter, and pass it down.
(have_live_inferiors): Adjust.
(switch_to_inferior_and_push_target): New.
(add_inferior_command, clone_inferior_command): Handle
"-no-connection" parameter. Use
switch_to_inferior_and_push_target.
(_initialize_inferior): Mention "-no-connection" option in
the help of "add-inferior" and "clone-inferior" commands.
* inferior.h: Include "process-stratum-target.h".
(interrupt_target_1): Use bool.
(struct inferior) <push_target, unpush_target, target_is_pushed,
find_target_beneath, top_target, process_target, target_at,
m_stack>: New.
(discard_all_inferiors): Delete.
(find_inferior_pid, find_inferior_ptid, number_of_live_inferiors)
(all_inferiors, all_non_exited_inferiors): Add
process_stratum_target parameter.
* infrun.c: Include "gdb_select.h" and <unordered_map>.
(target_last_proc_target): New global.
(follow_fork_inferior): Push target on new inferior. Pass target
to add_thread_silent. Call exec_on_vfork. Handle target's
reference count.
(follow_fork): Adjust get_last_target_status call. Also consider
target.
(follow_exec): Push target on new inferior.
(struct execution_control_state) <target>: New field.
(user_visible_resume_target): New.
(do_target_resume): Call target_async.
(resume_1): Set target's threads_executing flag. Consider resume
target.
(commit_resume_all_targets): New.
(proceed): Also consider resume target. Skip threads of inferiors
with no execution. Commit resumtion in all targets.
(start_remote): Pass current inferior to wait_for_inferior.
(infrun_thread_stop_requested): Consider target as well. Pass
thread_info pointer to clear_inline_frame_state instead of ptid.
(infrun_thread_thread_exit): Consider target as well.
(random_pending_event_thread): New inferior parameter. Use it.
(do_target_wait): Rename to ...
(do_target_wait_1): ... this. Add inferior parameter, and pass it
down.
(threads_are_resumed_pending_p, do_target_wait): New.
(prepare_for_detach): Adjust calls.
(wait_for_inferior): New inferior parameter. Handle it. Use
do_target_wait_1 instead of do_target_wait.
(fetch_inferior_event): Adjust. Switch to representative
inferior. Pass target down.
(set_last_target_status): Add process_stratum_target parameter.
Save target in global.
(get_last_target_status): Add process_stratum_target parameter and
handle it.
(nullify_last_target_wait_ptid): Clear 'target_last_proc_target'.
(context_switch): Check inferior_ptid == null_ptid before calling
inferior_thread().
(get_inferior_stop_soon): Pass down target.
(wait_one): Rename to ...
(poll_one_curr_target): ... this.
(struct wait_one_event): New.
(wait_one): New.
(stop_all_threads): Adjust.
(handle_no_resumed, handle_inferior_event): Adjust to consider the
event's target.
(switch_back_to_stepped_thread): Also consider target.
(print_stop_event): Update.
(normal_stop): Update. Also consider the resume target.
* infrun.h (wait_for_inferior): Remove declaration.
(user_visible_resume_target): New declaration.
(get_last_target_status, set_last_target_status): New
process_stratum_target parameter.
* inline-frame.c (clear_inline_frame_state(ptid_t)): Add
process_stratum_target parameter, and use it.
(clear_inline_frame_state (thread_info*)): New.
* inline-frame.c (clear_inline_frame_state(ptid_t)): Add
process_stratum_target parameter.
(clear_inline_frame_state (thread_info*)): Declare.
* linux-fork.c (delete_checkpoint_command): Pass target down to
find_thread_ptid.
(checkpoint_command): Adjust.
* linux-nat.c (linux_nat_target::follow_fork): Switch to thread
instead of just tweaking inferior_ptid.
(linux_nat_switch_fork): Pass target down to thread_change_ptid.
(exit_lwp): Pass target down to find_thread_ptid.
(attach_proc_task_lwp_callback): Pass target down to
add_thread/set_running/set_executing.
(linux_nat_target::attach): Pass target down to
thread_change_ptid.
(get_detach_signal): Pass target down to find_thread_ptid.
Consider last target status's target.
(linux_resume_one_lwp_throw, resume_lwp)
(linux_handle_syscall_trap, linux_handle_extended_wait, wait_lwp)
(stop_wait_callback, save_stop_reason, linux_nat_filter_event)
(linux_nat_wait_1, resume_stopped_resumed_lwps): Pass target down.
(linux_nat_target::async_wait_fd): New.
(linux_nat_stop_lwp, linux_nat_target::thread_address_space): Pass
target down.
* linux-nat.h (linux_nat_target::async_wait_fd): Declare.
* linux-tdep.c (get_thread_arch_regcache): Pass target down.
* linux-thread-db.c (struct thread_db_info::process_target): New
field.
(add_thread_db_info): Save target.
(get_thread_db_info): New process_stratum_target parameter. Also
match target.
(delete_thread_db_info): New process_stratum_target parameter.
Also match target.
(thread_from_lwp): Adjust to pass down target.
(thread_db_notice_clone): Pass down target.
(check_thread_db_callback): Pass down target.
(try_thread_db_load_1): Always push the thread_db target.
(try_thread_db_load, record_thread): Pass target down.
(thread_db_target::detach): Pass target down. Always unpush the
thread_db target.
(thread_db_target::wait, thread_db_target::mourn_inferior): Pass
target down. Always unpush the thread_db target.
(find_new_threads_callback, thread_db_find_new_threads_2)
(thread_db_target::update_thread_list): Pass target down.
(thread_db_target::pid_to_str): Pass current inferior down.
(thread_db_target::get_thread_local_address): Pass target down.
(thread_db_target::resume, maintenance_check_libthread_db): Pass
target down.
* nto-procfs.c (nto_procfs_target::update_thread_list): Adjust.
* procfs.c (procfs_target::procfs_init_inferior): Declare.
(proc_set_current_signal, do_attach, procfs_target::wait): Adjust.
(procfs_init_inferior): Rename to ...
(procfs_target::procfs_init_inferior): ... this and adjust.
(procfs_target::create_inferior, procfs_notice_thread)
(procfs_do_thread_registers): Adjust.
* ppc-fbsd-tdep.c: Include "inferior.h".
(ppcfbsd_get_thread_local_address): Pass down target.
* proc-service.c (ps_xfer_memory): Switch current inferior and
program space as well.
(get_ps_regcache): Pass target down.
* process-stratum-target.c
(process_stratum_target::thread_address_space)
(process_stratum_target::thread_architecture): Pass target down.
* process-stratum-target.h
(process_stratum_target::threads_executing): New field.
(as_process_stratum_target): New.
* ravenscar-thread.c
(ravenscar_thread_target::update_inferior_ptid): Pass target down.
(ravenscar_thread_target::wait, ravenscar_add_thread): Pass target
down.
* record-btrace.c (record_btrace_target::info_record): Adjust.
(record_btrace_target::record_method)
(record_btrace_target::record_is_replaying)
(record_btrace_target::fetch_registers)
(get_thread_current_frame_id, record_btrace_target::resume)
(record_btrace_target::wait, record_btrace_target::stop): Pass
target down.
* record-full.c (record_full_wait_1): Switch to event thread.
Pass target down.
* regcache.c (regcache::regcache)
(get_thread_arch_aspace_regcache, get_thread_arch_regcache): Add
process_stratum_target parameter and handle it.
(current_thread_target): New global.
(get_thread_regcache): Add process_stratum_target parameter and
handle it. Switch inferior before calling target method.
(get_thread_regcache): Pass target down.
(get_thread_regcache_for_ptid): Pass target down.
(registers_changed_ptid): Add process_stratum_target parameter and
handle it.
(registers_changed_thread, registers_changed): Pass target down.
(test_get_thread_arch_aspace_regcache): New.
(current_regcache_test): Define a couple local test_target_ops
instances and use them for testing.
(readwrite_regcache): Pass process_stratum_target parameter.
(cooked_read_test, cooked_write_test): Pass mock_target down.
* regcache.h (get_thread_regcache, get_thread_arch_regcache)
(get_thread_arch_aspace_regcache): Add process_stratum_target
parameter.
(regcache::target): New method.
(regcache::regcache, regcache::get_thread_arch_aspace_regcache)
(regcache::registers_changed_ptid): Add process_stratum_target
parameter.
(regcache::m_target): New field.
(registers_changed_ptid): Add process_stratum_target parameter.
* remote.c (remote_state::supports_vCont_probed): New field.
(remote_target::async_wait_fd): New method.
(remote_unpush_and_throw): Add remote_target parameter.
(get_current_remote_target): Adjust.
(remote_target::remote_add_inferior): Push target.
(remote_target::remote_add_thread)
(remote_target::remote_notice_new_inferior)
(get_remote_thread_info): Pass target down.
(remote_target::update_thread_list): Skip threads of inferiors
bound to other targets. (remote_target::close): Don't discard
inferiors. (remote_target::add_current_inferior_and_thread)
(remote_target::process_initial_stop_replies)
(remote_target::start_remote)
(remote_target::remote_serial_quit_handler): Pass down target.
(remote_target::remote_unpush_target): New remote_target
parameter. Unpush the target from all inferiors.
(remote_target::remote_unpush_and_throw): New remote_target
parameter. Pass it down.
(remote_target::open_1): Check whether the current inferior has
execution instead of checking whether any inferior is live. Pass
target down.
(remote_target::remote_detach_1): Pass down target. Use
remote_unpush_target.
(extended_remote_target::attach): Pass down target.
(remote_target::remote_vcont_probe): Set supports_vCont_probed.
(remote_target::append_resumption): Pass down target.
(remote_target::append_pending_thread_resumptions)
(remote_target::remote_resume_with_hc, remote_target::resume)
(remote_target::commit_resume): Pass down target.
(remote_target::remote_stop_ns): Check supports_vCont_probed.
(remote_target::interrupt_query)
(remote_target::remove_new_fork_children)
(remote_target::check_pending_events_prevent_wildcard_vcont)
(remote_target::remote_parse_stop_reply)
(remote_target::process_stop_reply): Pass down target.
(first_remote_resumed_thread): New remote_target parameter. Pass
it down.
(remote_target::wait_as): Pass down target.
(unpush_and_perror): New remote_target parameter. Pass it down.
(remote_target::readchar, remote_target::remote_serial_write)
(remote_target::getpkt_or_notif_sane_1)
(remote_target::kill_new_fork_children, remote_target::kill): Pass
down target.
(remote_target::mourn_inferior): Pass down target. Use
remote_unpush_target.
(remote_target::core_of_thread)
(remote_target::remote_btrace_maybe_reopen): Pass down target.
(remote_target::pid_to_exec_file)
(remote_target::thread_handle_to_thread_info): Pass down target.
(remote_target::async_wait_fd): New.
* riscv-fbsd-tdep.c: Include "inferior.h".
(riscv_fbsd_get_thread_local_address): Pass down target.
* sol2-tdep.c (sol2_core_pid_to_str): Pass down target.
* sol-thread.c (sol_thread_target::wait, ps_lgetregs, ps_lsetregs)
(ps_lgetfpregs, ps_lsetfpregs, sol_update_thread_list_callback):
Adjust.
* solib-spu.c (spu_skip_standalone_loader): Pass down target.
* solib-svr4.c (enable_break): Pass down target.
* spu-multiarch.c (parse_spufs_run): Pass down target.
* spu-tdep.c (spu2ppu_sniffer): Pass down target.
* target-delegates.c: Regenerate.
* target.c (g_target_stack): Delete.
(current_top_target): Return the current inferior's top target.
(target_has_execution_1): Refer to the passed-in inferior's top
target.
(target_supports_terminal_ours): Check whether the initial
inferior was already created.
(decref_target): New.
(target_stack::push): Incref/decref the target.
(push_target, push_target, unpush_target): Adjust.
(target_stack::unpush): Defref target.
(target_is_pushed): Return bool. Adjust to refer to the current
inferior's target stack.
(dispose_inferior): Delete, and inline parts ...
(target_preopen): ... here. Only dispose of the current inferior.
(target_detach): Hold strong target reference while detaching.
Pass target down.
(target_thread_name): Add assertion.
(target_resume): Pass down target.
(target_ops::beneath, find_target_at): Adjust to refer to the
current inferior's target stack.
(get_dummy_target): New.
(target_pass_ctrlc): Pass the Ctrl-C to the first inferior that
has a thread running.
(initialize_targets): Rename to ...
(_initialize_target): ... this.
* target.h: Include "gdbsupport/refcounted-object.h".
(struct target_ops): Inherit refcounted_object.
(target_ops::shortname, target_ops::longname): Make const.
(target_ops::async_wait_fd): New method.
(decref_target): Declare.
(struct target_ops_ref_policy): New.
(target_ops_ref): New typedef.
(get_dummy_target): Declare function.
(target_is_pushed): Return bool.
* thread-iter.c (all_matching_threads_iterator::m_inf_matches)
(all_matching_threads_iterator::all_matching_threads_iterator):
Handle filter target.
* thread-iter.h (struct all_matching_threads_iterator, struct
all_matching_threads_range, class all_non_exited_threads_range):
Filter by target too. Remove explicit.
* thread.c (threads_executing): Delete.
(inferior_thread): Pass down current inferior.
(clear_thread_inferior_resources): Pass down thread pointer
instead of ptid_t.
(add_thread_silent, add_thread_with_info, add_thread): Add
process_stratum_target parameter. Use it for thread and inferior
searches.
(is_current_thread): New.
(thread_info::deletable): Use it.
(find_thread_ptid, thread_count, in_thread_list)
(thread_change_ptid, set_resumed, set_running): New
process_stratum_target parameter. Pass it down.
(set_executing): New process_stratum_target parameter. Pass it
down. Adjust reference to 'threads_executing'.
(threads_are_executing): New process_stratum_target parameter.
Adjust reference to 'threads_executing'.
(set_stop_requested, finish_thread_state): New
process_stratum_target parameter. Pass it down.
(switch_to_thread): Also match inferior.
(switch_to_thread): New process_stratum_target parameter. Pass it
down.
(update_threads_executing): Reimplement.
* top.c (quit_force): Pop targets from all inferior.
(gdb_init): Don't call initialize_targets.
* windows-nat.c (windows_nat_target) <get_windows_debug_event>:
Declare.
(windows_add_thread, windows_delete_thread): Adjust.
(get_windows_debug_event): Rename to ...
(windows_nat_target::get_windows_debug_event): ... this. Adjust.
* tracefile-tfile.c (tfile_target_open): Pass down target.
* gdbsupport/common-gdbthread.h (struct process_stratum_target):
Forward declare.
(switch_to_thread): Add process_stratum_target parameter.
* mi/mi-interp.c (mi_on_resume_1): Add process_stratum_target
parameter. Use it.
(mi_on_resume): Pass target down.
* nat/fork-inferior.c (startup_inferior): Add
process_stratum_target parameter. Pass it down.
* nat/fork-inferior.h (startup_inferior): Add
process_stratum_target parameter.
* python/py-threadevent.c (py_get_event_thread): Pass target down.
gdb/gdbserver/ChangeLog:
2020-01-10 Pedro Alves <palves@redhat.com>
* fork-child.c (post_fork_inferior): Pass target down to
startup_inferior.
* inferiors.c (switch_to_thread): Add process_stratum_target
parameter.
* lynx-low.c (lynx_target_ops): Now a process_stratum_target.
* nto-low.c (nto_target_ops): Now a process_stratum_target.
* linux-low.c (linux_target_ops): Now a process_stratum_target.
* remote-utils.c (prepare_resume_reply): Pass the target to
switch_to_thread.
* target.c (the_target): Now a process_stratum_target.
(done_accessing_memory): Pass the target to switch_to_thread.
(set_target_ops): Ajust to use process_stratum_target.
* target.h (struct target_ops): Rename to ...
(struct process_stratum_target): ... this.
(the_target, set_target_ops): Adjust.
(prepare_to_access_memory): Adjust comment.
* win32-low.c (child_xfer_memory): Adjust to use
process_stratum_target.
(win32_target_ops): Now a process_stratum_target.
|
||
|
Pedro Alves
|
5018ce90c1 |
Make target_ops::has_execution take an 'inferior *' instead of a ptid_t
With the multi-target work, each inferior will have its own target stack, so to call a target method, we'll need to make sure that the inferior in question is the current one, otherwise target->beneath() calls will find the target beneath in the wrong inferior. In some places, it's much more convenient to be able to check whether an inferior has execution without having to switch to it in order to call target_has_execution on the right inferior/target stack, to avoid side effects with switching inferior/thread/program space. The current target_ops::has_execution method takes a ptid_t as parameter, which, in a multi-target world, isn't sufficient to identify the target. This patch prepares to address that, by changing the parameter to an inferior pointer instead. From the inferior, we'll be able to query its target stack to tell which target is beneath. Also adds a new inferior::has_execution() method to make callers a bit more natural to read. gdb/ChangeLog: 2020-01-10 Pedro Alves <palves@redhat.com> * corelow.c (core_target::has_execution): Change parameter type to inferior pointer. * inferior.c (number_of_live_inferiors): Use inferior::has_execution instead of target_has_execution_1. * inferior.h (inferior::has_execution): New. * linux-thread-db.c (thread_db_target::update_thread_list): Use inferior::has_execution instead of target_has_execution_1. * process-stratum-target.c (process_stratum_target::has_execution): Change parameter type to inferior pointer. Check the inferior's PID instead of inferior_ptid. * process-stratum-target.h (process_stratum_target::has_execution): Change parameter type to inferior pointer. * record-full.c (record_full_core_target::has_execution): Change parameter type to inferior pointer. * target.c (target_has_execution_1): Change parameter type to inferior pointer. (target_has_execution_current): Adjust. * target.h (target_ops::has_execution): Change parameter type to inferior pointer. (target_has_execution_1): Change parameter type to inferior pointer. Change return type to bool. * tracefile.h (tracefile_target::has_execution): Change parameter type to inferior pointer. |
||
|
Joel Brobecker
|
b811d2c292 |
Update copyright year range in all GDB files.
gdb/ChangeLog:
Update copyright year range in all GDB files.
|
||
|
Tom de Vries
|
85102364b2 |
[gdb] Fix more typos in comments
Fix typos in comments. NFC. Tested on x86_64-linux. gdb/ChangeLog: 2019-10-18 Tom de Vries <tdevries@suse.de> * aarch64-tdep.c: Fix typos in comments. * ada-lang.c: Same. * ada-tasks.c: Same. * alpha-tdep.c: Same. * alpha-tdep.h: Same. * amd64-nat.c: Same. * amd64-windows-tdep.c: Same. * arc-tdep.c: Same. * arc-tdep.h: Same. * arch-utils.c: Same. * arm-nbsd-tdep.c: Same. * arm-tdep.c: Same. * ax-gdb.c: Same. * blockframe.c: Same. * btrace.c: Same. * c-varobj.c: Same. * coff-pe-read.c: Same. * coffread.c: Same. * cris-tdep.c: Same. * darwin-nat.c: Same. * dbxread.c: Same. * dcache.c: Same. * disasm.c: Same. * dtrace-probe.c: Same. * dwarf-index-write.c: Same. * dwarf2-frame-tailcall.c: Same. * dwarf2-frame.c: Same. * dwarf2read.c: Same. * eval.c: Same. * exceptions.c: Same. * fbsd-tdep.c: Same. * findvar.c: Same. * frame.c: Same. * frv-tdep.c: Same. * gnu-v3-abi.c: Same. * go32-nat.c: Same. * h8300-tdep.c: Same. * hppa-tdep.c: Same. * i386-linux-tdep.c: Same. * i386-tdep.c: Same. * ia64-libunwind-tdep.c: Same. * ia64-tdep.c: Same. * infcmd.c: Same. * infrun.c: Same. * linespec.c: Same. * linux-nat.c: Same. * linux-thread-db.c: Same. * machoread.c: Same. * mdebugread.c: Same. * mep-tdep.c: Same. * mn10300-tdep.c: Same. * namespace.c: Same. * objfiles.c: Same. * opencl-lang.c: Same. * or1k-tdep.c: Same. * osabi.c: Same. * ppc-linux-nat.c: Same. * ppc-linux-tdep.c: Same. * ppc-sysv-tdep.c: Same. * printcmd.c: Same. * procfs.c: Same. * record-btrace.c: Same. * record-full.c: Same. * remote-fileio.c: Same. * remote.c: Same. * rs6000-tdep.c: Same. * s12z-tdep.c: Same. * score-tdep.c: Same. * ser-base.c: Same. * ser-go32.c: Same. * skip.c: Same. * sol-thread.c: Same. * solib-svr4.c: Same. * solib.c: Same. * source.c: Same. * sparc-nat.c: Same. * sparc-sol2-tdep.c: Same. * sparc-tdep.c: Same. * sparc64-tdep.c: Same. * stabsread.c: Same. * stack.c: Same. * symfile.c: Same. * symtab.c: Same. * target-descriptions.c: Same. * target-float.c: Same. * thread.c: Same. * utils.c: Same. * valops.c: Same. * valprint.c: Same. * value.c: Same. * varobj.c: Same. * windows-nat.c: Same. * xcoffread.c: Same. * xstormy16-tdep.c: Same. * xtensa-tdep.c: Same. Change-Id: I5175f1b107bfa4e1cdd4a3361ccb4739e53c75c4 |
||
|
Tom Tromey
|
9d636d67e0 |
Use styled_string in more places
This adds more uses of styled_string, changing gdb to style some output that was previously left unstyled. gdb/ChangeLog 2019-10-01 Tom Tromey <tom@tromey.com> * stack.c (print_frame, info_frame_command_core): Use styled_string. * linux-thread-db.c (try_thread_db_load_1) (try_thread_db_load_from_pdir_1): Use styled_string. * auto-load.c (file_is_auto_load_safe, execute_script_contents) (auto_load_section_scripts, info_auto_load_local_gdbinit) (maybe_print_unsupported_script_warning) (maybe_print_script_not_found_warning): Use styled_string. * ada-lang.c (user_select_syms): Use styled_string. |
||
Christian Biesinger
|
491144b5e2 |
Change boolean options to bool instead of int
This is for add_setshow_boolean_cmd as well as the gdb::option interface. gdb/ChangeLog: 2019-09-17 Christian Biesinger <cbiesinger@google.com> * ada-lang.c (ada_ignore_descriptive_types_p): Change to bool. (print_signatures): Likewise. (trust_pad_over_xvs): Likewise. * arch/aarch64-insn.c (aarch64_debug): Likewise. * arch/aarch64-insn.h (aarch64_debug): Likewise. * arm-linux-nat.c (arm_apcs_32): Likewise. * arm-linux-tdep.c (arm_apcs_32): Likewise. * arm-nbsd-nat.c (arm_apcs_32): Likewise. * arm-tdep.c (arm_debug): Likewise. (arm_apcs_32): Likewise. * auto-load.c (debug_auto_load): Likewise. (auto_load_gdb_scripts): Likewise. (global_auto_load): Likewise. (auto_load_local_gdbinit): Likewise. (auto_load_local_gdbinit_loaded): Likewise. * auto-load.h (global_auto_load): Likewise. (auto_load_local_gdbinit): Likewise. (auto_load_local_gdbinit_loaded): Likewise. * breakpoint.c (disconnected_dprintf): Likewise. (breakpoint_proceeded): Likewise. (automatic_hardware_breakpoints): Likewise. (always_inserted_mode): Likewise. (target_exact_watchpoints): Likewise. (_initialize_breakpoint): Update. * breakpoint.h (target_exact_watchpoints): Change to bool. * btrace.c (maint_btrace_pt_skip_pad): Likewise. * cli/cli-cmds.c (trace_commands): Likewise. * cli/cli-cmds.h (trace_commands): Likewise. * cli/cli-decode.c (add_setshow_boolean_cmd): Change int* argument to bool*. * cli/cli-logging.c (logging_overwrite): Change to bool. (logging_redirect): Likewise. (debug_redirect): Likewise. * cli/cli-option.h (option_def) <boolean>: Change return type to bool*. (struct boolean_option_def) <get_var_address_cb_>: Change return type to bool. <boolean_option_def>: Update. (struct flag_option_def): Change default type of Context to bool from int. <flag_option_def>: Change return type of var_address_cb_ to bool*. * cli/cli-setshow.c (do_set_command): Cast to bool* instead of int*. (get_setshow_command_value_string): Likewise. * cli/cli-style.c (cli_styling): Change to bool. (source_styling): Likewise. * cli/cli-style.h (source_styling): Likewise. (cli_styling): Likewise. * cli/cli-utils.h (struct qcs_flags) <quiet, cont, silent>: Change to bool. * command.h (var_types): Update comment. (add_setshow_boolean_cmd): Change int* var argument to bool*. * compile/compile-cplus-types.c (debug_compile_cplus_types): Change to bool. (debug_compile_cplus_scopes): Likewise. * compile/compile-internal.h (compile_debug): Likewise. * compile/compile.c (compile_debug): Likewise. (struct compile_options) <raw>: Likewise. * cp-support.c (catch_demangler_crashes): Likewise. * cris-tdep.c (usr_cmd_cris_version_valid): Likewise. (usr_cmd_cris_dwarf2_cfi): Likewise. * csky-tdep.c (csky_debug): Likewise. * darwin-nat.c (enable_mach_exceptions): Likewise. * dcache.c (dcache_enabled_p): Likewise. * defs.h (info_verbose): Likewise. * demangle.c (demangle): Likewise. (asm_demangle): Likewise. * dwarf-index-cache.c (debug_index_cache): Likewise. * dwarf2-frame.c (dwarf2_frame_unwinders_enabled_p): Likewise. * dwarf2-frame.h (dwarf2_frame_unwinders_enabled_p): Likewise. * dwarf2read.c (check_physname): Likewise. (use_deprecated_index_sections): Likewise. (dwarf_always_disassemble): Likewise. * eval.c (overload_resolution): Likewise. * event-top.c (set_editing_cmd_var): Likewise. (exec_done_display_p): Likewise. * event-top.h (set_editing_cmd_var): Likewise. (exec_done_display_p): Likewise. * exec.c (write_files): Likewise. * fbsd-nat.c (debug_fbsd_lwp): Likewise (debug_fbsd_nat): Likewise. * frame.h (struct frame_print_options) <print_raw_frame_arguments>: Likewise. (struct set_backtrace_options) <backtrace_past_main>: Likewise. <backtrace_past_entry> Likewise. * gdb-demangle.h (demangle): Likewise. (asm_demangle): Likewise. * gdb_bfd.c (bfd_sharing): Likewise. * gdbcore.h (write_files): Likewise. * gdbsupport/common-debug.c (show_debug_regs): Likewise. * gdbsupport/common-debug.h (show_debug_regs): Likewise. * gdbthread.h (print_thread_events): Likewise. * gdbtypes.c (opaque_type_resolution): Likewise. (strict_type_checking): Likewise. * gnu-nat.c (gnu_debug_flag): Likewise. * guile/scm-auto-load.c (auto_load_guile_scripts): Likewise. * guile/scm-param.c (pascm_variable): Add boolval. (add_setshow_generic): Update. (pascm_param_value): Update. (pascm_set_param_value_x): Update. * hppa-tdep.c (hppa_debug): Change to bool.. * infcall.c (may_call_functions_p): Likewise. (coerce_float_to_double_p): Likewise. (unwind_on_signal_p): Likewise. (unwind_on_terminating_exception_p): Likewise. * infcmd.c (startup_with_shell): Likewise. * inferior.c (print_inferior_events): Likewise. * inferior.h (startup_with_shell): Likewise. (print_inferior_events): Likewise. * infrun.c (step_stop_if_no_debug): Likewise. (detach_fork): Likewise. (debug_displaced): Likewise. (disable_randomization): Likewise. (non_stop): Likewise. (non_stop_1): Likewise. (observer_mode): Likewise. (observer_mode_1): Likewise. (set_observer_mode): Update. (sched_multi): Change to bool. * infrun.h (debug_displaced): Likewise. (sched_multi): Likewise. (step_stop_if_no_debug): Likewise. (non_stop): Likewise. (disable_randomization): Likewise. * linux-tdep.c (use_coredump_filter): Likewise. (dump_excluded_mappings): Likewise. * linux-thread-db.c (auto_load_thread_db): Likewise. (check_thread_db_on_load): Likewise. * main.c (captured_main_1): Update. * maint-test-options.c (struct test_options_opts) <flag_opt, xx1_opt, xx2_opt, boolean_opt>: Change to bool. * maint-test-settings.c (maintenance_test_settings_boolean): Likewise. * maint.c (maintenance_profile_p): Likewise. (per_command_time): Likewise. (per_command_space): Likewise. (per_command_symtab): Likewise. * memattr.c (inaccessible_by_default): Likewise. * mi/mi-main.c (mi_async): Likewise. (mi_async_1): Likewise. * mips-tdep.c (mips64_transfers_32bit_regs_p): Likewise. * nat/fork-inferior.h (startup_with_shell): Likewise. * nat/linux-namespaces.c (debug_linux_namespaces): Likewise. * nat/linux-namespaces.h (debug_linux_namespaces): Likewise. * nios2-tdep.c (nios2_debug): Likewise. * or1k-tdep.c (or1k_debug): Likewise. * parse.c (parser_debug): Likewise. * parser-defs.h (parser_debug): Likewise. * printcmd.c (print_symbol_filename): Likewise. * proc-api.c (procfs_trace): Likewise. * python/py-auto-load.c (auto_load_python_scripts): Likewise. * python/py-param.c (union parmpy_variable): Add "bool boolval" field. (set_parameter_value): Update. (add_setshow_generic): Update. * python/py-value.c (copy_py_bool_obj): Change argument from int* to bool*. * python/python.c (gdbpy_parameter_value): Cast to bool* instead of int*. * ravenscar-thread.c (ravenscar_task_support): Change to bool. * record-btrace.c (record_btrace_target::store_registers): Update. * record-full.c (record_full_memory_query): Change to bool. (record_full_stop_at_limit): Likewise. * record-full.h (record_full_memory_query): Likewise. * remote-notif.c (notif_debug): Likewise. * remote-notif.h (notif_debug): Likewise. * remote.c (use_range_stepping): Likewise. (interrupt_on_connect): Likewise. (remote_break): Likewise. * ser-tcp.c (tcp_auto_retry): Likewise. * ser-unix.c (serial_hwflow): Likewise. * skip.c (debug_skip): Likewise. * solib-aix.c (solib_aix_debug): Likewise. * spu-tdep.c (spu_stop_on_load_p): Likewise. (spu_auto_flush_cache_p): Likewise. * stack.c (struct backtrace_cmd_options) <full, no_filters, hide>: Likewise. (struct info_print_options) <quiet>: Likewise. * symfile-debug.c (debug_symfile): Likewise. * symfile.c (auto_solib_add): Likewise. (separate_debug_file_debug): Likewise. * symfile.h (auto_solib_add): Likewise. (separate_debug_file_debug): Likewise. * symtab.c (basenames_may_differ): Likewise. (struct filename_partial_match_opts) <dirname, basename>: Likewise. (struct info_print_options) <quiet, exclude_minsyms>: Likewise. (struct info_types_options) <quiet>: Likewise. * symtab.h (demangle): Likewise. (basenames_may_differ): Likewise. * target-dcache.c (stack_cache_enabled_1): Likewise. (code_cache_enabled_1): Likewise. * target.c (trust_readonly): Likewise. (may_write_registers): Likewise. (may_write_memory): Likewise. (may_insert_breakpoints): Likewise. (may_insert_tracepoints): Likewise. (may_insert_fast_tracepoints): Likewise. (may_stop): Likewise. (auto_connect_native_target): Likewise. (target_stop_and_wait): Update. (target_async_permitted): Change to bool. (target_async_permitted_1): Likewise. (may_write_registers_1): Likewise. (may_write_memory_1): Likewise. (may_insert_breakpoints_1): Likewise. (may_insert_tracepoints_1): Likewise. (may_insert_fast_tracepoints_1): Likewise. (may_stop_1): Likewise. * target.h (target_async_permitted): Likewise. (may_write_registers): Likewise. (may_write_memory): Likewise. (may_insert_breakpoints): Likewise. (may_insert_tracepoints): Likewise. (may_insert_fast_tracepoints): Likewise. (may_stop): Likewise. * thread.c (struct info_threads_opts) <show_global_ids>: Likewise. (make_thread_apply_all_options_def_group): Change argument from int* to bool*. (thread_apply_all_command): Update. (print_thread_events): Change to bool. * top.c (confirm): Likewise. (command_editing_p): Likewise. (history_expansion_p): Likewise. (write_history_p): Likewise. (info_verbose): Likewise. * top.h (confirm): Likewise. (history_expansion_p): Likewise. * tracepoint.c (disconnected_tracing): Likewise. (circular_trace_buffer): Likewise. * typeprint.c (print_methods): Likewise. (print_typedefs): Likewise. * utils.c (debug_timestamp): Likewise. (sevenbit_strings): Likewise. (pagination_enabled): Likewise. * utils.h (sevenbit_strings): Likewise. (pagination_enabled): Likewise. * valops.c (overload_resolution): Likewise. * valprint.h (struct value_print_options) <prettyformat_arrays, prettyformat_structs, vtblprint, unionprint, addressprint, objectprint, stop_print_at_null, print_array_indexes, deref_ref, static_field_print, pascal_static_field_print, raw, summary, symbol_print, finish_print>: Likewise. * windows-nat.c (new_console): Likewise. (cygwin_exceptions): Likewise. (new_group): Likewise. (debug_exec): Likewise. (debug_events): Likewise. (debug_memory): Likewise. (debug_exceptions): Likewise. (useshell): Likewise. * windows-tdep.c (maint_display_all_tib): Likewise. * xml-support.c (debug_xml): Likewise. |
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Kevin Buettner
|
6bdfee8157 |
Fix gdb.python/py-thrhandle.exp failures for -m32 multilib
This patch fixes the following failures when testing with "target_board unix/-m32" using a x86_64-pc-linux-gnu native GDB. FAIL: gdb.python/py-thrhandle.exp: print thread for bogus handle thrs[3] FAIL: gdb.python/py-thrhandle.exp: print thread for bogus handle thrs[4] FAIL: gdb.python/py-thrhandle.exp: print thread id for thrs[0] FAIL: gdb.python/py-thrhandle.exp: print thread id for thrs[1] FAIL: gdb.python/py-thrhandle.exp: print thread id for thrs[2] FAIL: gdb.python/py-thrhandle.exp: thread 0: fetch thread handle from thread FAIL: gdb.python/py-thrhandle.exp: thread 0: verify that handles are the same FAIL: gdb.python/py-thrhandle.exp: thread 1: fetch thread handle from thread FAIL: gdb.python/py-thrhandle.exp: thread 1: verify that handles are the same FAIL: gdb.python/py-thrhandle.exp: thread 2: fetch thread handle from thread FAIL: gdb.python/py-thrhandle.exp: thread 2: verify that handles are the same I've written it so that it might work for other 64-bit host / 32-bit target combos too. gdb/ChangeLog: * linux-thread-db.c (thread_db_target::thread_handle_to_thread_info): Add case for debugging 32-bit target on 64-bit host. Revise comment. |
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Tom Tromey
|
268a13a5a3 |
Rename common to gdbsupport
This is the next patch in the ongoing series to move gdbsever to the top level. This patch just renames the "common" directory. The idea is to do this move in two parts: first rename the directory (this patch), then move the directory to the top. This approach makes the patches a bit more tractable. I chose the name "gdbsupport" for the directory. However, as this patch was largely written by sed, we could pick a new name without too much difficulty. Tested by the buildbot. gdb/ChangeLog 2019-07-09 Tom Tromey <tom@tromey.com> * contrib/ari/gdb_ari.sh: Change common to gdbsupport. * configure: Rebuild. * configure.ac: Change common to gdbsupport. * gdbsupport: Rename from common. * acinclude.m4: Change common to gdbsupport. * Makefile.in (CONFIG_SRC_SUBDIR, COMMON_SFILES) (HFILES_NO_SRCDIR, stamp-version, ALLDEPFILES): Change common to gdbsupport. * aarch64-tdep.c, ada-lang.c, ada-lang.h, agent.c, alloc.c, amd64-darwin-tdep.c, amd64-dicos-tdep.c, amd64-fbsd-nat.c, amd64-fbsd-tdep.c, amd64-linux-nat.c, amd64-linux-tdep.c, amd64-nbsd-tdep.c, amd64-obsd-tdep.c, amd64-sol2-tdep.c, amd64-tdep.c, amd64-windows-tdep.c, arch-utils.c, arch/aarch64-insn.c, arch/aarch64.c, arch/aarch64.h, arch/amd64.c, arch/amd64.h, arch/arm-get-next-pcs.c, arch/arm-linux.c, arch/arm.c, arch/i386.c, arch/i386.h, arch/ppc-linux-common.c, arch/riscv.c, arch/riscv.h, arch/tic6x.c, arm-tdep.c, auto-load.c, auxv.c, ax-gdb.c, ax-general.c, ax.h, breakpoint.c, breakpoint.h, btrace.c, btrace.h, build-id.c, build-id.h, c-lang.h, charset.c, charset.h, cli/cli-cmds.c, cli/cli-cmds.h, cli/cli-decode.c, cli/cli-dump.c, cli/cli-option.h, cli/cli-script.c, coff-pe-read.c, command.h, compile/compile-c-support.c, compile/compile-c.h, compile/compile-cplus-symbols.c, compile/compile-cplus-types.c, compile/compile-cplus.h, compile/compile-loc2c.c, compile/compile.c, completer.c, completer.h, contrib/ari/gdb_ari.sh, corefile.c, corelow.c, cp-support.c, cp-support.h, cp-valprint.c, csky-tdep.c, ctf.c, darwin-nat.c, debug.c, defs.h, disasm-selftests.c, disasm.c, disasm.h, dtrace-probe.c, dwarf-index-cache.c, dwarf-index-cache.h, dwarf-index-write.c, dwarf2-frame.c, dwarf2expr.c, dwarf2loc.c, dwarf2read.c, event-loop.c, event-top.c, exceptions.c, exec.c, extension.h, fbsd-nat.c, features/aarch64-core.c, features/aarch64-fpu.c, features/aarch64-pauth.c, features/aarch64-sve.c, features/i386/32bit-avx.c, features/i386/32bit-avx512.c, features/i386/32bit-core.c, features/i386/32bit-linux.c, features/i386/32bit-mpx.c, features/i386/32bit-pkeys.c, features/i386/32bit-segments.c, features/i386/32bit-sse.c, features/i386/64bit-avx.c, features/i386/64bit-avx512.c, features/i386/64bit-core.c, features/i386/64bit-linux.c, features/i386/64bit-mpx.c, features/i386/64bit-pkeys.c, features/i386/64bit-segments.c, features/i386/64bit-sse.c, features/i386/x32-core.c, features/riscv/32bit-cpu.c, features/riscv/32bit-csr.c, features/riscv/32bit-fpu.c, features/riscv/64bit-cpu.c, features/riscv/64bit-csr.c, features/riscv/64bit-fpu.c, features/tic6x-c6xp.c, features/tic6x-core.c, features/tic6x-gp.c, filename-seen-cache.h, findcmd.c, findvar.c, fork-child.c, gcore.c, gdb_bfd.c, gdb_bfd.h, gdb_proc_service.h, gdb_regex.c, gdb_select.h, gdb_usleep.c, gdbarch-selftests.c, gdbthread.h, gdbtypes.h, gnu-nat.c, go32-nat.c, guile/guile.c, guile/scm-ports.c, guile/scm-safe-call.c, guile/scm-type.c, i386-fbsd-nat.c, i386-fbsd-tdep.c, i386-go32-tdep.c, i386-linux-nat.c, i386-linux-tdep.c, i386-tdep.c, i387-tdep.c, ia64-libunwind-tdep.c, ia64-linux-nat.c, inf-child.c, inf-ptrace.c, infcall.c, infcall.h, infcmd.c, inferior-iter.h, inferior.c, inferior.h, inflow.c, inflow.h, infrun.c, infrun.h, inline-frame.c, language.h, linespec.c, linux-fork.c, linux-nat.c, linux-tdep.c, linux-thread-db.c, location.c, machoread.c, macrotab.h, main.c, maint.c, maint.h, memattr.c, memrange.h, mi/mi-cmd-break.h, mi/mi-cmd-env.c, mi/mi-cmd-stack.c, mi/mi-cmd-var.c, mi/mi-interp.c, mi/mi-main.c, mi/mi-parse.h, minsyms.c, mips-linux-tdep.c, namespace.h, nat/aarch64-linux-hw-point.c, nat/aarch64-linux-hw-point.h, nat/aarch64-linux.c, nat/aarch64-sve-linux-ptrace.c, nat/amd64-linux-siginfo.c, nat/fork-inferior.c, nat/linux-btrace.c, nat/linux-btrace.h, nat/linux-namespaces.c, nat/linux-nat.h, nat/linux-osdata.c, nat/linux-personality.c, nat/linux-procfs.c, nat/linux-ptrace.c, nat/linux-ptrace.h, nat/linux-waitpid.c, nat/mips-linux-watch.c, nat/mips-linux-watch.h, nat/ppc-linux.c, nat/x86-dregs.c, nat/x86-dregs.h, nat/x86-linux-dregs.c, nat/x86-linux.c, nto-procfs.c, nto-tdep.c, objfile-flags.h, objfiles.c, objfiles.h, obsd-nat.c, observable.h, osdata.c, p-valprint.c, parse.c, parser-defs.h, ppc-linux-nat.c, printcmd.c, probe.c, proc-api.c, procfs.c, producer.c, progspace.h, psymtab.h, python/py-framefilter.c, python/py-inferior.c, python/py-ref.h, python/py-type.c, python/python.c, record-btrace.c, record-full.c, record.c, record.h, regcache-dump.c, regcache.c, regcache.h, remote-fileio.c, remote-fileio.h, remote-sim.c, remote.c, riscv-tdep.c, rs6000-aix-tdep.c, rust-exp.y, s12z-tdep.c, selftest-arch.c, ser-base.c, ser-event.c, ser-pipe.c, ser-tcp.c, ser-unix.c, skip.c, solib-aix.c, solib-target.c, solib.c, source-cache.c, source.c, source.h, sparc-nat.c, spu-linux-nat.c, stack.c, stap-probe.c, symfile-add-flags.h, symfile.c, symfile.h, symtab.c, symtab.h, target-descriptions.c, target-descriptions.h, target-memory.c, target.c, target.h, target/waitstatus.c, target/waitstatus.h, thread-iter.h, thread.c, tilegx-tdep.c, top.c, top.h, tracefile-tfile.c, tracefile.c, tracepoint.c, tracepoint.h, tui/tui-io.c, ui-file.c, ui-out.h, unittests/array-view-selftests.c, unittests/child-path-selftests.c, unittests/cli-utils-selftests.c, unittests/common-utils-selftests.c, unittests/copy_bitwise-selftests.c, unittests/environ-selftests.c, unittests/format_pieces-selftests.c, unittests/function-view-selftests.c, unittests/lookup_name_info-selftests.c, unittests/memory-map-selftests.c, unittests/memrange-selftests.c, unittests/mkdir-recursive-selftests.c, unittests/observable-selftests.c, unittests/offset-type-selftests.c, unittests/optional-selftests.c, unittests/parse-connection-spec-selftests.c, unittests/ptid-selftests.c, unittests/rsp-low-selftests.c, unittests/scoped_fd-selftests.c, unittests/scoped_mmap-selftests.c, unittests/scoped_restore-selftests.c, unittests/string_view-selftests.c, unittests/style-selftests.c, unittests/tracepoint-selftests.c, unittests/unpack-selftests.c, unittests/utils-selftests.c, unittests/xml-utils-selftests.c, utils.c, utils.h, valarith.c, valops.c, valprint.c, value.c, value.h, varobj.c, varobj.h, windows-nat.c, x86-linux-nat.c, xml-support.c, xml-support.h, xml-tdesc.h, xstormy16-tdep.c, xtensa-linux-nat.c, dwarf2read.h: Change common to gdbsupport. gdb/gdbserver/ChangeLog 2019-07-09 Tom Tromey <tom@tromey.com> * configure: Rebuild. * configure.ac: Change common to gdbsupport. * acinclude.m4: Change common to gdbsupport. * Makefile.in (SFILES, OBS, GDBREPLAY_OBS, IPA_OBJS) (version-generated.c, gdbsupport/%-ipa.o, gdbsupport/%.o): Change common to gdbsupport. * ax.c, event-loop.c, fork-child.c, gdb_proc_service.h, gdbreplay.c, gdbthread.h, hostio-errno.c, hostio.c, i387-fp.c, inferiors.c, inferiors.h, linux-aarch64-tdesc-selftest.c, linux-amd64-ipa.c, linux-i386-ipa.c, linux-low.c, linux-tic6x-low.c, linux-x86-low.c, linux-x86-tdesc-selftest.c, linux-x86-tdesc.c, lynx-i386-low.c, lynx-low.c, mem-break.h, nto-x86-low.c, regcache.c, regcache.h, remote-utils.c, server.c, server.h, spu-low.c, symbol.c, target.h, tdesc.c, tdesc.h, thread-db.c, tracepoint.c, win32-i386-low.c, win32-low.c: Change common to gdbsupport. |
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Simon Marchi
|
9ddc1af18c |
linux-thread-db.c: use bool where possible in thread_db code
I happened to be looking at this code and noticed we could replace ints by bools at a few places. gdb/ChangeLog: * linux-thread-db.c (try_thread_db_load_1): Change return type to bool. (try_thread_db_load): Likewise. (try_thread_db_load_from_pdir_1): Likewise. (try_thread_db_load_from_pdir): Likewise. (try_thread_db_load_from_sdir): Likewise. (try_thread_db_load_from_dir): Likewise. (thread_db_load_search): Likewise. (has_libpthread): Likewise. (thread_db_load): Likewise. |
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Kevin Buettner
|
3d6c62048d |
Introduce target_ops method thread_info_to_thread_handle
This patch adds a thread_info_to_thread_handle method to the target_ops struct. It also implements this functionality for remote targets and linux native threads. gdb/ChangeLog: * gdbthread.h (thread_to_thread_handle): Declare. * thread.c (gdbtypes.h): Include. (thread_to_thread_handle): New function. * target.h (struct target_ops): Add thread_info_to_thread_handle. (target_thread_info_to_thread_handle): Declare. * target.c (target_thread_info_to_thread_handle): New function. * target-debug.h (target_debug_print_gdb_byte_vector): Define. * target-delegates.c: Regenerate. * linux-thread-db.c (class thread_db_target): Add method thread_info_to_thread_handle. (thread_db_target::thread_info_to_thread_handle): Define. * remote.c (class remote_target): Add new method thread_info_to_thread_handle. (remote_target::thread_info_to_thread_handle): Define. |
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Tom Tromey
|
230d2906b9 |
Rename gdb exception types
This renames the gdb exception types. The old types were only needed due to the macros in common-exception.h that are now gone. The intermediate layer of gdb_exception_RETURN_MASK_ALL did not seem needed, so this patch removes it entirely. gdb/ChangeLog 2019-04-08 Tom Tromey <tom@tromey.com> * common/common-exceptions.h (gdb_exception_RETURN_MASK_ALL): Remove. (gdb_exception_error): Rename from gdb_exception_RETURN_MASK_ERROR. (gdb_exception_quit): Rename from gdb_exception_RETURN_MASK_QUIT. (gdb_quit_bad_alloc): Update. * aarch64-tdep.c: Update. * ada-lang.c: Update. * ada-typeprint.c: Update. * ada-valprint.c: Update. * amd64-tdep.c: Update. * arch-utils.c: Update. * break-catch-throw.c: Update. * breakpoint.c: Update. * btrace.c: Update. * c-varobj.c: Update. * cli/cli-cmds.c: Update. * cli/cli-interp.c: Update. * cli/cli-script.c: Update. * common/common-exceptions.c: Update. * common/new-op.c: Update. * common/selftest.c: Update. * compile/compile-c-symbols.c: Update. * compile/compile-cplus-symbols.c: Update. * compile/compile-object-load.c: Update. * compile/compile-object-run.c: Update. * completer.c: Update. * corelow.c: Update. * cp-abi.c: Update. * cp-support.c: Update. * cp-valprint.c: Update. * darwin-nat.c: Update. * disasm-selftests.c: Update. * dtrace-probe.c: Update. * dwarf-index-cache.c: Update. * dwarf-index-write.c: Update. * dwarf2-frame-tailcall.c: Update. * dwarf2-frame.c: Update. * dwarf2loc.c: Update. * dwarf2read.c: Update. * eval.c: Update. * event-loop.c: Update. * event-top.c: Update. * exec.c: Update. * f-valprint.c: Update. * fbsd-tdep.c: Update. * frame-unwind.c: Update. * frame.c: Update. * gdbtypes.c: Update. * gnu-v3-abi.c: Update. * guile/guile-internal.h: Update. * guile/scm-block.c: Update. * guile/scm-breakpoint.c: Update. * guile/scm-cmd.c: Update. * guile/scm-disasm.c: Update. * guile/scm-frame.c: Update. * guile/scm-lazy-string.c: Update. * guile/scm-math.c: Update. * guile/scm-param.c: Update. * guile/scm-ports.c: Update. * guile/scm-pretty-print.c: Update. * guile/scm-symbol.c: Update. * guile/scm-symtab.c: Update. * guile/scm-type.c: Update. * guile/scm-value.c: Update. * i386-linux-tdep.c: Update. * i386-tdep.c: Update. * inf-loop.c: Update. * infcall.c: Update. * infcmd.c: Update. * infrun.c: Update. * jit.c: Update. * language.c: Update. * linespec.c: Update. * linux-fork.c: Update. * linux-nat.c: Update. * linux-tdep.c: Update. * linux-thread-db.c: Update. * main.c: Update. * mi/mi-cmd-break.c: Update. * mi/mi-cmd-stack.c: Update. * mi/mi-interp.c: Update. * mi/mi-main.c: Update. * objc-lang.c: Update. * p-valprint.c: Update. * parse.c: Update. * ppc-linux-tdep.c: Update. * printcmd.c: Update. * python/py-arch.c: Update. * python/py-breakpoint.c: Update. * python/py-cmd.c: Update. * python/py-finishbreakpoint.c: Update. * python/py-frame.c: Update. * python/py-framefilter.c: Update. * python/py-gdb-readline.c: Update. * python/py-inferior.c: Update. * python/py-infthread.c: Update. * python/py-lazy-string.c: Update. * python/py-linetable.c: Update. * python/py-objfile.c: Update. * python/py-param.c: Update. * python/py-prettyprint.c: Update. * python/py-progspace.c: Update. * python/py-record-btrace.c: Update. * python/py-record.c: Update. * python/py-symbol.c: Update. * python/py-type.c: Update. * python/py-unwind.c: Update. * python/py-utils.c: Update. * python/py-value.c: Update. * python/python.c: Update. * record-btrace.c: Update. * record-full.c: Update. * remote-fileio.c: Update. * remote.c: Update. * riscv-tdep.c: Update. * rs6000-aix-tdep.c: Update. * rs6000-tdep.c: Update. * rust-exp.y: Update. * rust-lang.c: Update. * s390-tdep.c: Update. * selftest-arch.c: Update. * solib-dsbt.c: Update. * solib-frv.c: Update. * solib-spu.c: Update. * solib-svr4.c: Update. * solib.c: Update. * sparc64-linux-tdep.c: Update. * stack.c: Update. * symfile-mem.c: Update. * symmisc.c: Update. * target.c: Update. * thread.c: Update. * top.c: Update. * tracefile-tfile.c: Update. * tui/tui.c: Update. * typeprint.c: Update. * unittests/cli-utils-selftests.c: Update. * unittests/parse-connection-spec-selftests.c: Update. * valops.c: Update. * valprint.c: Update. * value.c: Update. * varobj.c: Update. * windows-nat.c: Update. * x86-linux-nat.c: Update. * xml-support.c: Update. gdb/gdbserver/ChangeLog 2019-04-08 Tom Tromey <tom@tromey.com> * gdbreplay.c: Update. * linux-low.c: Update. * server.c: Update. |
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Tom Tromey
|
a70b814420 |
Rewrite TRY/CATCH
This rewrites gdb's TRY/CATCH to plain C++ try/catch. The patch was largely written by script, though one change (to a comment in common-exceptions.h) was reverted by hand. gdb/ChangeLog 2019-04-08 Tom Tromey <tom@tromey.com> * xml-support.c: Use C++ exception handling. * x86-linux-nat.c: Use C++ exception handling. * windows-nat.c: Use C++ exception handling. * varobj.c: Use C++ exception handling. * value.c: Use C++ exception handling. * valprint.c: Use C++ exception handling. * valops.c: Use C++ exception handling. * unittests/parse-connection-spec-selftests.c: Use C++ exception handling. * unittests/cli-utils-selftests.c: Use C++ exception handling. * typeprint.c: Use C++ exception handling. * tui/tui.c: Use C++ exception handling. * tracefile-tfile.c: Use C++ exception handling. * top.c: Use C++ exception handling. * thread.c: Use C++ exception handling. * target.c: Use C++ exception handling. * symmisc.c: Use C++ exception handling. * symfile-mem.c: Use C++ exception handling. * stack.c: Use C++ exception handling. * sparc64-linux-tdep.c: Use C++ exception handling. * solib.c: Use C++ exception handling. * solib-svr4.c: Use C++ exception handling. * solib-spu.c: Use C++ exception handling. * solib-frv.c: Use C++ exception handling. * solib-dsbt.c: Use C++ exception handling. * selftest-arch.c: Use C++ exception handling. * s390-tdep.c: Use C++ exception handling. * rust-lang.c: Use C++ exception handling. * rust-exp.y: Use C++ exception handling. * rs6000-tdep.c: Use C++ exception handling. * rs6000-aix-tdep.c: Use C++ exception handling. * riscv-tdep.c: Use C++ exception handling. * remote.c: Use C++ exception handling. * remote-fileio.c: Use C++ exception handling. * record-full.c: Use C++ exception handling. * record-btrace.c: Use C++ exception handling. * python/python.c: Use C++ exception handling. * python/py-value.c: Use C++ exception handling. * python/py-utils.c: Use C++ exception handling. * python/py-unwind.c: Use C++ exception handling. * python/py-type.c: Use C++ exception handling. * python/py-symbol.c: Use C++ exception handling. * python/py-record.c: Use C++ exception handling. * python/py-record-btrace.c: Use C++ exception handling. * python/py-progspace.c: Use C++ exception handling. * python/py-prettyprint.c: Use C++ exception handling. * python/py-param.c: Use C++ exception handling. * python/py-objfile.c: Use C++ exception handling. * python/py-linetable.c: Use C++ exception handling. * python/py-lazy-string.c: Use C++ exception handling. * python/py-infthread.c: Use C++ exception handling. * python/py-inferior.c: Use C++ exception handling. * python/py-gdb-readline.c: Use C++ exception handling. * python/py-framefilter.c: Use C++ exception handling. * python/py-frame.c: Use C++ exception handling. * python/py-finishbreakpoint.c: Use C++ exception handling. * python/py-cmd.c: Use C++ exception handling. * python/py-breakpoint.c: Use C++ exception handling. * python/py-arch.c: Use C++ exception handling. * printcmd.c: Use C++ exception handling. * ppc-linux-tdep.c: Use C++ exception handling. * parse.c: Use C++ exception handling. * p-valprint.c: Use C++ exception handling. * objc-lang.c: Use C++ exception handling. * mi/mi-main.c: Use C++ exception handling. * mi/mi-interp.c: Use C++ exception handling. * mi/mi-cmd-stack.c: Use C++ exception handling. * mi/mi-cmd-break.c: Use C++ exception handling. * main.c: Use C++ exception handling. * linux-thread-db.c: Use C++ exception handling. * linux-tdep.c: Use C++ exception handling. * linux-nat.c: Use C++ exception handling. * linux-fork.c: Use C++ exception handling. * linespec.c: Use C++ exception handling. * language.c: Use C++ exception handling. * jit.c: Use C++ exception handling. * infrun.c: Use C++ exception handling. * infcmd.c: Use C++ exception handling. * infcall.c: Use C++ exception handling. * inf-loop.c: Use C++ exception handling. * i386-tdep.c: Use C++ exception handling. * i386-linux-tdep.c: Use C++ exception handling. * guile/scm-value.c: Use C++ exception handling. * guile/scm-type.c: Use C++ exception handling. * guile/scm-symtab.c: Use C++ exception handling. * guile/scm-symbol.c: Use C++ exception handling. * guile/scm-pretty-print.c: Use C++ exception handling. * guile/scm-ports.c: Use C++ exception handling. * guile/scm-param.c: Use C++ exception handling. * guile/scm-math.c: Use C++ exception handling. * guile/scm-lazy-string.c: Use C++ exception handling. * guile/scm-frame.c: Use C++ exception handling. * guile/scm-disasm.c: Use C++ exception handling. * guile/scm-cmd.c: Use C++ exception handling. * guile/scm-breakpoint.c: Use C++ exception handling. * guile/scm-block.c: Use C++ exception handling. * guile/guile-internal.h: Use C++ exception handling. * gnu-v3-abi.c: Use C++ exception handling. * gdbtypes.c: Use C++ exception handling. * frame.c: Use C++ exception handling. * frame-unwind.c: Use C++ exception handling. * fbsd-tdep.c: Use C++ exception handling. * f-valprint.c: Use C++ exception handling. * exec.c: Use C++ exception handling. * event-top.c: Use C++ exception handling. * event-loop.c: Use C++ exception handling. * eval.c: Use C++ exception handling. * dwarf2read.c: Use C++ exception handling. * dwarf2loc.c: Use C++ exception handling. * dwarf2-frame.c: Use C++ exception handling. * dwarf2-frame-tailcall.c: Use C++ exception handling. * dwarf-index-write.c: Use C++ exception handling. * dwarf-index-cache.c: Use C++ exception handling. * dtrace-probe.c: Use C++ exception handling. * disasm-selftests.c: Use C++ exception handling. * darwin-nat.c: Use C++ exception handling. * cp-valprint.c: Use C++ exception handling. * cp-support.c: Use C++ exception handling. * cp-abi.c: Use C++ exception handling. * corelow.c: Use C++ exception handling. * completer.c: Use C++ exception handling. * compile/compile-object-run.c: Use C++ exception handling. * compile/compile-object-load.c: Use C++ exception handling. * compile/compile-cplus-symbols.c: Use C++ exception handling. * compile/compile-c-symbols.c: Use C++ exception handling. * common/selftest.c: Use C++ exception handling. * common/new-op.c: Use C++ exception handling. * cli/cli-script.c: Use C++ exception handling. * cli/cli-interp.c: Use C++ exception handling. * cli/cli-cmds.c: Use C++ exception handling. * c-varobj.c: Use C++ exception handling. * btrace.c: Use C++ exception handling. * breakpoint.c: Use C++ exception handling. * break-catch-throw.c: Use C++ exception handling. * arch-utils.c: Use C++ exception handling. * amd64-tdep.c: Use C++ exception handling. * ada-valprint.c: Use C++ exception handling. * ada-typeprint.c: Use C++ exception handling. * ada-lang.c: Use C++ exception handling. * aarch64-tdep.c: Use C++ exception handling. gdb/gdbserver/ChangeLog 2019-04-08 Tom Tromey <tom@tromey.com> * server.c: Use C++ exception handling. * linux-low.c: Use C++ exception handling. * gdbreplay.c: Use C++ exception handling. |
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Philippe Waroquiers
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8d8c087f34 | OBVIOUS: fix several occurrences of 'This options has' to 'This option has' | ||
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Tom Tromey
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a068643d69 |
Change pid_to_str to return std::string
Currently the target pid_to_str method returns a const char *, so many implementations have a static buffer that they update. This patch changes these methods to return a std::string instead. I think this is cleaner and avoids possible gotchas when calling pid_to_str on different ptids in a single statement. (Though no such calls exist currently.) This also updates various helper functions, and the gdbarch pid_to_str methods. I also made a best effort to fix all the callers, but I can't build some of the *-nat.c files. Tested by the buildbot. gdb/ChangeLog 2019-03-13 Tom Tromey <tromey@adacore.com> * i386-gnu-nat.c (i386_gnu_nat_target::fetch_registers) (i386_gnu_nat_target::store_registers): Update. * target-debug.h (target_debug_print_std_string): New macro. * x86-linux-nat.c (x86_linux_nat_target::enable_btrace): Update. * windows-tdep.c (display_one_tib): Update. * tui/tui-stack.c (tui_make_status_line): Update. * top.c (print_inferior_quit_action): Update. * thread.c (thr_try_catch_cmd): Update. (add_thread_with_info): Update. (thread_target_id_str): Update. (thr_try_catch_cmd): Update. (thread_command): Update. (thread_find_command): Update. * record-btrace.c (record_btrace_target::info_record) (record_btrace_resume_thread, record_btrace_target::resume) (record_btrace_cancel_resume, record_btrace_step_thread) (record_btrace_target::wait, record_btrace_target::wait) (record_btrace_target::wait, record_btrace_target::stop): Update. * progspace.c (print_program_space): Update. * process-stratum-target.c (process_stratum_target::thread_address_space): Update. * linux-fork.c (linux_fork_mourn_inferior) (detach_checkpoint_command, info_checkpoints_command) (linux_fork_context): Update. (linux_fork_detach): Update. (class scoped_switch_fork_info): Update. (delete_checkpoint_command): Update. * infrun.c (follow_fork_inferior): Update. (follow_fork_inferior): Update. (proceed_after_vfork_done): Update. (handle_vfork_child_exec_or_exit): Update. (follow_exec): Update. (displaced_step_prepare_throw): Update. (displaced_step_restore): Update. (start_step_over): Update. (resume_1): Update. (clear_proceed_status_thread): Update. (proceed): Update. (print_target_wait_results): Update. (do_target_wait): Update. (context_switch): Update. (stop_all_threads): Update. (restart_threads): Update. (finish_step_over): Update. (handle_signal_stop): Update. (switch_back_to_stepped_thread): Update. (keep_going_pass_signal): Update. (print_exited_reason): Update. (normal_stop): Update. * inferior.c (inferior_pid_to_str): Change return type. (print_selected_inferior): Update. (add_inferior): Update. (detach_inferior): Update. * dummy-frame.c (fprint_dummy_frames): Update. * dcache.c (dcache_info_1): Update. * btrace.c (btrace_enable, btrace_disable, btrace_teardown) (btrace_fetch, btrace_clear): Update. * linux-tdep.c (linux_core_pid_to_str): Change return type. * i386-cygwin-tdep.c (i386_windows_core_pid_to_str): Change return type. * fbsd-tdep.c (fbsd_core_pid_to_str): Change return type. * sol2-tdep.h (sol2_core_pid_to_str): Change return type. * sol2-tdep.c (sol2_core_pid_to_str): Change return type. * gdbarch.c, gdbarch.h: Rebuild. * gdbarch.sh (core_pid_to_str): Change return type. * windows-nat.c (struct windows_nat_target) <pid_to_str>: Change return type. (windows_nat_target::pid_to_str): Change return type. (windows_delete_thread): Update. (windows_nat_target::attach): Update. (windows_nat_target::files_info): Update. * target-delegates.c: Rebuild. * sol-thread.c (class sol_thread_target) <pid_to_str>: Change return type. (sol_thread_target::pid_to_str): Change return type. * remote.c (class remote_target) <pid_to_str>: Change return type. (remote_target::pid_to_str): Change return type. (extended_remote_target::attach, remote_target::remote_stop_ns) (remote_target::remote_notif_remove_queued_reply) (remote_target::push_stop_reply, remote_target::disable_btrace): Update. (extended_remote_target::attach): Update. * remote-sim.c (struct gdbsim_target) <pid_to_str>: Change return type. (gdbsim_target::pid_to_str): Change return type. * ravenscar-thread.c (struct ravenscar_thread_target) <pid_to_str>: Change return type. (ravenscar_thread_target::pid_to_str): Change return type. * procfs.c (class procfs_target) <pid_to_str>: Change return type. (procfs_target::pid_to_str): Change return type. (procfs_target::attach): Update. (procfs_target::detach): Update. (procfs_target::fetch_registers): Update. (procfs_target::store_registers): Update. (procfs_target::wait): Update. (procfs_target::files_info): Update. * obsd-nat.c (obsd_nat_target::pid_to_str): Change return type. * nto-procfs.c (struct nto_procfs_target) <pid_to_str>: Change return type. (nto_procfs_target::pid_to_str): Change return type. (nto_procfs_target::files_info, nto_procfs_target::attach): Update. * linux-thread-db.c (class thread_db_target) <pid_to_str>: Change return type. * linux-nat.c (linux_nat_target::pid_to_str): Change return type. (exit_lwp): Update. (attach_proc_task_lwp_callback, get_detach_signal) (detach_one_lwp, resume_lwp, linux_nat_target::resume) (linux_nat_target::resume, wait_lwp, stop_callback) (maybe_clear_ignore_sigint, stop_wait_callback, status_callback) (save_stop_reason, select_event_lwp, linux_nat_filter_event) (linux_nat_wait_1, resume_stopped_resumed_lwps) (linux_nat_target::wait, linux_nat_stop_lwp): Update. * inf-ptrace.c (inf_ptrace_target::pid_to_str): Change return type. (inf_ptrace_target::attach): Update. (inf_ptrace_target::files_info): Update. * go32-nat.c (struct go32_nat_target) <pid_to_str>: Change return type. (go32_nat_target::pid_to_str): Change return type. * gnu-nat.c (gnu_nat_target::pid_to_str): Change return type. (gnu_nat_target::wait): Update. (gnu_nat_target::wait): Update. (gnu_nat_target::resume): Update. * fbsd-nat.c (fbsd_nat_target::pid_to_str): Change return type. (fbsd_nat_target::wait): Update. * darwin-nat.c (darwin_nat_target::pid_to_str): Change return type. (darwin_nat_target::attach): Update. * corelow.c (class core_target) <pid_to_str>: Change return type. (core_target::pid_to_str): Change return type. * target.c (normal_pid_to_str): Change return type. (default_pid_to_str): Likewise. (target_pid_to_str): Change return type. (target_translate_tls_address): Update. (target_announce_detach): Update. * bsd-uthread.c (struct bsd_uthread_target) <pid_to_str>: Change return type. (bsd_uthread_target::pid_to_str): Change return type. * bsd-kvm.c (class bsd_kvm_target) <pid_to_str>: Change return type. (bsd_kvm_target::pid_to_str): Change return type. * aix-thread.c (class aix_thread_target) <pid_to_str>: Change return type. (aix_thread_target::pid_to_str): Change return type. * target.h (struct target_ops) <pid_to_str>: Change return type. (target_pid_to_str, normal_pid_to_str): Likewise. * obsd-nat.h (class obsd_nat_target) <pid_to_str>: Change return type. * linux-nat.h (class linux_nat_target) <pid_to_str>: Change return type. * inf-ptrace.h (struct inf_ptrace_target) <pid_to_str>: Change return type. * gnu-nat.h (struct gnu_nat_target) <pid_to_str>: Change return type. * fbsd-nat.h (class fbsd_nat_target) <pid_to_str>: Change return type. * darwin-nat.h (class darwin_nat_target) <pid_to_str>: Change return type. |
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Tom Tromey
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0747795c08 |
Normalize includes to use common/
This changes all includes to use the form "common/filename.h" rather than just "filename.h". This was written by a script. gdb/ChangeLog 2019-01-25 Tom Tromey <tom@tromey.com> * xtensa-linux-nat.c: Fix common/ includes. * xml-support.h: Fix common/ includes. * xml-support.c: Fix common/ includes. * x86-linux-nat.c: Fix common/ includes. * windows-nat.c: Fix common/ includes. * varobj.h: Fix common/ includes. * varobj.c: Fix common/ includes. * value.c: Fix common/ includes. * valops.c: Fix common/ includes. * utils.c: Fix common/ includes. * unittests/xml-utils-selftests.c: Fix common/ includes. * unittests/utils-selftests.c: Fix common/ includes. * unittests/unpack-selftests.c: Fix common/ includes. * unittests/tracepoint-selftests.c: Fix common/ includes. * unittests/style-selftests.c: Fix common/ includes. * unittests/string_view-selftests.c: Fix common/ includes. * unittests/scoped_restore-selftests.c: Fix common/ includes. * unittests/scoped_mmap-selftests.c: Fix common/ includes. * unittests/scoped_fd-selftests.c: Fix common/ includes. * unittests/rsp-low-selftests.c: Fix common/ includes. * unittests/parse-connection-spec-selftests.c: Fix common/ includes. * unittests/optional-selftests.c: Fix common/ includes. * unittests/offset-type-selftests.c: Fix common/ includes. * unittests/observable-selftests.c: Fix common/ includes. * unittests/mkdir-recursive-selftests.c: Fix common/ includes. * unittests/memrange-selftests.c: Fix common/ includes. * unittests/memory-map-selftests.c: Fix common/ includes. * unittests/lookup_name_info-selftests.c: Fix common/ includes. * unittests/function-view-selftests.c: Fix common/ includes. * unittests/environ-selftests.c: Fix common/ includes. * unittests/copy_bitwise-selftests.c: Fix common/ includes. * unittests/common-utils-selftests.c: Fix common/ includes. * unittests/cli-utils-selftests.c: Fix common/ includes. * unittests/array-view-selftests.c: Fix common/ includes. * ui-file.c: Fix common/ includes. * tui/tui-io.c: Fix common/ includes. * tracepoint.h: Fix common/ includes. * tracepoint.c: Fix common/ includes. * tracefile-tfile.c: Fix common/ includes. * top.h: Fix common/ includes. * top.c: Fix common/ includes. * thread.c: Fix common/ includes. * target/waitstatus.h: Fix common/ includes. * target/waitstatus.c: Fix common/ includes. * target.h: Fix common/ includes. * target.c: Fix common/ includes. * target-memory.c: Fix common/ includes. * target-descriptions.c: Fix common/ includes. * symtab.h: Fix common/ includes. * symfile.c: Fix common/ includes. * stap-probe.c: Fix common/ includes. * spu-linux-nat.c: Fix common/ includes. * sparc-nat.c: Fix common/ includes. * source.c: Fix common/ includes. * solib.c: Fix common/ includes. * solib-target.c: Fix common/ includes. * ser-unix.c: Fix common/ includes. * ser-tcp.c: Fix common/ includes. * ser-pipe.c: Fix common/ includes. * ser-base.c: Fix common/ includes. * selftest-arch.c: Fix common/ includes. * s12z-tdep.c: Fix common/ includes. * rust-exp.y: Fix common/ includes. * rs6000-aix-tdep.c: Fix common/ includes. * riscv-tdep.c: Fix common/ includes. * remote.c: Fix common/ includes. * remote-notif.h: Fix common/ includes. * remote-fileio.h: Fix common/ includes. * remote-fileio.c: Fix common/ includes. * regcache.h: Fix common/ includes. * regcache.c: Fix common/ includes. * record-btrace.c: Fix common/ includes. * python/python.c: Fix common/ includes. * python/py-type.c: Fix common/ includes. * python/py-inferior.c: Fix common/ includes. * progspace.h: Fix common/ includes. * producer.c: Fix common/ includes. * procfs.c: Fix common/ includes. * proc-api.c: Fix common/ includes. * printcmd.c: Fix common/ includes. * ppc-linux-nat.c: Fix common/ includes. * parser-defs.h: Fix common/ includes. * osdata.c: Fix common/ includes. * obsd-nat.c: Fix common/ includes. * nat/x86-linux.c: Fix common/ includes. * nat/x86-linux-dregs.c: Fix common/ includes. * nat/x86-dregs.h: Fix common/ includes. * nat/x86-dregs.c: Fix common/ includes. * nat/ppc-linux.c: Fix common/ includes. * nat/mips-linux-watch.h: Fix common/ includes. * nat/mips-linux-watch.c: Fix common/ includes. * nat/linux-waitpid.c: Fix common/ includes. * nat/linux-ptrace.h: Fix common/ includes. * nat/linux-ptrace.c: Fix common/ includes. * nat/linux-procfs.c: Fix common/ includes. * nat/linux-personality.c: Fix common/ includes. * nat/linux-osdata.c: Fix common/ includes. * nat/linux-namespaces.c: Fix common/ includes. * nat/linux-btrace.h: Fix common/ includes. * nat/linux-btrace.c: Fix common/ includes. * nat/fork-inferior.c: Fix common/ includes. * nat/amd64-linux-siginfo.c: Fix common/ includes. * nat/aarch64-sve-linux-ptrace.c: Fix common/ includes. * nat/aarch64-linux.c: Fix common/ includes. * nat/aarch64-linux-hw-point.h: Fix common/ includes. * nat/aarch64-linux-hw-point.c: Fix common/ includes. * namespace.h: Fix common/ includes. * mips-linux-tdep.c: Fix common/ includes. * minsyms.c: Fix common/ includes. * mi/mi-parse.h: Fix common/ includes. * mi/mi-main.c: Fix common/ includes. * mi/mi-cmd-env.c: Fix common/ includes. * memrange.h: Fix common/ includes. * memattr.c: Fix common/ includes. * maint.h: Fix common/ includes. * maint.c: Fix common/ includes. * main.c: Fix common/ includes. * machoread.c: Fix common/ includes. * location.c: Fix common/ includes. * linux-thread-db.c: Fix common/ includes. * linux-nat.c: Fix common/ includes. * linux-fork.c: Fix common/ includes. * inline-frame.c: Fix common/ includes. * infrun.c: Fix common/ includes. * inflow.c: Fix common/ includes. * inferior.h: Fix common/ includes. * inferior.c: Fix common/ includes. * infcmd.c: Fix common/ includes. * inf-ptrace.c: Fix common/ includes. * inf-child.c: Fix common/ includes. * ia64-linux-nat.c: Fix common/ includes. * i387-tdep.c: Fix common/ includes. * i386-tdep.c: Fix common/ includes. * i386-linux-tdep.c: Fix common/ includes. * i386-linux-nat.c: Fix common/ includes. * i386-go32-tdep.c: Fix common/ includes. * i386-fbsd-tdep.c: Fix common/ includes. * i386-fbsd-nat.c: Fix common/ includes. * guile/scm-type.c: Fix common/ includes. * guile/guile.c: Fix common/ includes. * go32-nat.c: Fix common/ includes. * gnu-nat.c: Fix common/ includes. * gdbthread.h: Fix common/ includes. * gdbarch-selftests.c: Fix common/ includes. * gdb_usleep.c: Fix common/ includes. * gdb_select.h: Fix common/ includes. * gdb_bfd.c: Fix common/ includes. * gcore.c: Fix common/ includes. * fork-child.c: Fix common/ includes. * findvar.c: Fix common/ includes. * fbsd-nat.c: Fix common/ includes. * event-top.c: Fix common/ includes. * event-loop.c: Fix common/ includes. * dwarf2read.c: Fix common/ includes. * dwarf2loc.c: Fix common/ includes. * dwarf2-frame.c: Fix common/ includes. * dwarf-index-cache.c: Fix common/ includes. * dtrace-probe.c: Fix common/ includes. * disasm-selftests.c: Fix common/ includes. * defs.h: Fix common/ includes. * csky-tdep.c: Fix common/ includes. * cp-valprint.c: Fix common/ includes. * cp-support.h: Fix common/ includes. * cp-support.c: Fix common/ includes. * corelow.c: Fix common/ includes. * completer.h: Fix common/ includes. * completer.c: Fix common/ includes. * compile/compile.c: Fix common/ includes. * compile/compile-loc2c.c: Fix common/ includes. * compile/compile-cplus-types.c: Fix common/ includes. * compile/compile-cplus-symbols.c: Fix common/ includes. * command.h: Fix common/ includes. * cli/cli-dump.c: Fix common/ includes. * cli/cli-cmds.c: Fix common/ includes. * charset.c: Fix common/ includes. * build-id.c: Fix common/ includes. * btrace.h: Fix common/ includes. * btrace.c: Fix common/ includes. * breakpoint.h: Fix common/ includes. * breakpoint.c: Fix common/ includes. * ax.h: (enum agent_op): Fix common/ includes. * ax-general.c (struct aop_map): Fix common/ includes. * ax-gdb.c: Fix common/ includes. * auxv.c: Fix common/ includes. * auto-load.c: Fix common/ includes. * arm-tdep.c: Fix common/ includes. * arch/riscv.c: Fix common/ includes. * arch/ppc-linux-common.c: Fix common/ includes. * arch/i386.c: Fix common/ includes. * arch/arm.c: Fix common/ includes. * arch/arm-linux.c: Fix common/ includes. * arch/arm-get-next-pcs.c: Fix common/ includes. * arch/amd64.c: Fix common/ includes. * arch/aarch64.c: Fix common/ includes. * arch/aarch64-insn.c: Fix common/ includes. * arch-utils.c: Fix common/ includes. * amd64-windows-tdep.c: Fix common/ includes. * amd64-tdep.c: Fix common/ includes. * amd64-sol2-tdep.c: Fix common/ includes. * amd64-obsd-tdep.c: Fix common/ includes. * amd64-nbsd-tdep.c: Fix common/ includes. * amd64-linux-tdep.c: Fix common/ includes. * amd64-linux-nat.c: Fix common/ includes. * amd64-fbsd-tdep.c: Fix common/ includes. * amd64-fbsd-nat.c: Fix common/ includes. * amd64-dicos-tdep.c: Fix common/ includes. * amd64-darwin-tdep.c: Fix common/ includes. * agent.c: Fix common/ includes. * ada-lang.h: Fix common/ includes. * ada-lang.c: Fix common/ includes. * aarch64-tdep.c: Fix common/ includes. gdb/gdbserver/ChangeLog 2019-01-25 Tom Tromey <tom@tromey.com> * win32-low.c: Fix common/ includes. * win32-i386-low.c: Fix common/ includes. * tracepoint.c: Fix common/ includes. * thread-db.c: Fix common/ includes. * target.h: Fix common/ includes. * symbol.c: Fix common/ includes. * spu-low.c: Fix common/ includes. * server.h: Fix common/ includes. * server.c: Fix common/ includes. * remote-utils.c: Fix common/ includes. * regcache.h: Fix common/ includes. * regcache.c: Fix common/ includes. * nto-x86-low.c: Fix common/ includes. * notif.h: Fix common/ includes. * mem-break.h: Fix common/ includes. * lynx-low.c: Fix common/ includes. * lynx-i386-low.c: Fix common/ includes. * linux-x86-tdesc-selftest.c: Fix common/ includes. * linux-x86-low.c: Fix common/ includes. * linux-low.c: Fix common/ includes. * inferiors.h: Fix common/ includes. * i387-fp.c: Fix common/ includes. * hostio.c: Fix common/ includes. * hostio-errno.c: Fix common/ includes. * gdbthread.h: Fix common/ includes. * gdbreplay.c: Fix common/ includes. * fork-child.c: Fix common/ includes. * event-loop.c: Fix common/ includes. * ax.c: (enum gdb_agent_op): Fix common/ includes. |