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clangd claims they are unused.
Change-Id: I3c5e16279ff3b59679b8262a9d24a6e515a718f5
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Convert solib_ops into an abstract base class (with abstract methods,
some of them with default implementations) and convert all the existing
solib_ops instances to solib_ops derived classes / implementations.
Prior to this patch, solib_ops is a structure holding function pointers,
of which there are only a handful of global instances (in the
`solib-*.c` files). When passing an `solib_ops *` around, it's a
pointer to one of these instances. After this patch, there are no more
global solib_ops instances. Instances are created as needed and stored
in struct program_space. These instances could eventually be made to
contain the program space-specific data, which is currently kept in
per-program space registries (I have some pending patches for that).
Prior to this patch, `gdbarch_so_ops` is a gdbarch method that returns a
pointer to the appropriate solib_ops implementation for the gdbarch.
This is replaced with the `gdbarch_make_solib_ops` method, which returns
a new instance of the appropriate solib_ops implementation for this
gdbarch. This requires introducing some factory functions for the
various solib_ops implementation, to be used as `gdbarch_make_solib_ops`
callbacks. For instance:
solib_ops_up
make_linux_ilp32_svr4_solib_ops ()
{
return std::make_unique<linux_ilp32_svr4_solib_ops> ();
}
The previous code is full of cases of tdep files copying some base
solib_ops implementation, and overriding one or more function pointer
(see ppc_linux_init_abi, for instance). I tried to convert all of this
is a class hierarchy. I like that it's now possible to get a good
static view of all the existing solib_ops variants. The hierarchy looks
like this:
solib_ops
├── aix_solib_ops
├── darwin_solib_ops
├── dsbt_solib_ops
├── frv_solib_ops
├── rocm_solib_ops
├── svr4_solib_ops
│ ├── ilp32_svr4_solib_ops
│ ├── lp64_svr4_solib_ops
│ ├── linux_ilp32_svr4_solib_ops
│ │ ├── mips_linux_ilp32_svr4_solib_ops
│ │ └── ppc_linux_ilp32_svr4_solib_ops
│ ├── linux_lp64_svr4_solib_ops
│ │ └── mips_linux_lp64_svr4_solib_ops
│ ├── mips_nbsd_ilp32_svr4_solib_ops
│ ├── mips_nbsd_lp64_svr4_solib_ops
│ ├── mips_fbsd_ilp32_svr4_solib_ops
│ └── mips_fbsd_lp64_svr4_solib_ops
└── target_solib_ops
└── windows_solib_ops
The solib-svr4 code has per-arch specialization to provide a
link_map_offsets, containing the offsets of the interesting fields in
`struct link_map` on that particular architecture. Prior to this patch,
arches would set a callback returning the appropriate link_map_offsets
by calling `set_solib_svr4_fetch_link_map_offsets`, which also happened
to set the gdbarch's so_ops to `&svr_so_ops`. I converted this to an
abstract virtual method of `struct svr4_solib_ops`, meaning that all
classes deriving from svr4_solib_ops must provide a method returning the
appropriate link_map_offsets for the architecture. I renamed
`set_solib_svr4_fetch_link_map_offsets` to `set_solib_svr4_ops`. This
function is still necessary because it also calls
set_gdbarch_iterate_over_objfiles_in_search_order, but if it was not for
that, we could get rid of it.
There is an instance of CRTP in mips-linux-tdep.c, because both
mips_linux_ilp32_svr4_solib_ops and mips_linux_lp64_svr4_solib_ops need
to derive from different SVR4 base classes (linux_ilp32_svr4_solib_ops
and linux_lp64_svr4_solib_ops), but they both want to override the
in_dynsym_resolve_code method with the same implementation.
The solib_ops::supports_namespaces method is new: the support for
namespaces was previously predicated by the presence or absence of a
find_solib_ns method. It now needs to be explicit.
There is a new progspace::release_solib_ops method, which is only needed
for rocm_solib_ops. For the moment, rocm_solib_ops replaces and wraps
the existing svr4_solib_ops instance, in order to combine the results of
the two. The plan is to have a subsequent patch to allow program spaces to have
multiple solib_ops, removing the need for release_solib_ops.
Speaking of rocm_solib_ops: it previously overrode only a few methods by
copying svr4_solib_ops and overwriting some function pointers. Now, it
needs to implement all the methods that svr4_solib_ops implements, in
order to forward the call. Otherwise, the default solib_ops method
would be called, hiding the svr4_solib_ops implementation. Again, this
can be removed once we have support for multiple solib_ops in a
program_space.
There is also a small change in how rocm_solib_ops is activated. Prior
to this patch, it's done at the end of rocm_update_solib_list. Since it
overrides the function pointer in the static svr4_solib_ops, and then
overwrites the host gdbarch, so_ops field, it's something that happens
only once. After the patch though, we need to set rocm_solib_ops in all
the program spaces that appear. We do this in
rocm_solib_target_inferior_created and in the new
rocm_solib_target_inferior_execd. After this, I will explore doing a
change where rocm_solib_ops is only set when we detect the ROCm runtime
is loaded.
Change-Id: I5896b5bcbf8bdb024d67980380feba1ffefaa4c9
Approved-By: Pedro Alves <pedro@palves.net>
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The subsequent C++ification commit makes it so that one struct solib_ops
is instantiated for each program space. For some operations, it will
then become necessary to be able to get the right solib_ops instance
from a given solib. Add an solib -> solib_ops backlink for that.
Change-Id: Ib95407b3fa5fcfba55cf874e0e9dcd2d43a402e4
Approved-By: Pedro Alves <pedro@palves.net>
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This patch introduces a new macro, INIT_GDB_FILE. This is used to
replace the current "_initialize_" idiom when introducing a per-file
initialization function. That is, rather than write:
void _initialize_something ();
void
_initialize_something ()
{
...
}
... now you would write:
INIT_GDB_FILE (something)
{
...
}
The macro handles both the declaration and definition of the function.
The point of this approach is that it makes it harder to accidentally
cause an initializer to be omitted; see commit 2711e475 ("Ensure
cooked_index_entry self-tests are run"). Specifically, the regexp now
used by make-init-c seems harder to trick.
New in v2: un-did some erroneous changes made by the script.
The bulk of this patch was written by script.
Regression tested on x86-64 Fedora 41.
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The only solib implementation that implements open_symbol_file_object is
SVR4. All others just return 0. Make it optional, to avoid having
these empty functions.
Change-Id: I835197a73323d39231d071f9a9eaac2553f10726
Reviewed-By: Guinevere Larsen <guinevere@redhat.com>
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Change-Id: I66f5986e1a2452e3817f326d908b2e49f99e2fc6
Reviewed-By: Guinevere Larsen <guinevere@redhat.com>
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I don't think that the file solist.h is useful. It would make sense to
have `struct solib` in solib.h. And then, all that would remain is
`struct solib_ops` and some solib-related function declarations. So,
move it all to solib.h.
Change-Id: I20ecf19787c378066f2c7a6a8a737c1db7c55d9a
Reviewed-By: Guinevere Larsen <guinevere@redhat.com>
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Adjust some comments and function names that refer to the ancient
so_list type.
Update some other stale comments in solib-svr4.c at the same time.
Change-Id: Ia42efa6554d0cc6abb4183b6bffc96c6358c5735
Reviewed-By: Guinevere Larsen <guinevere@redhat.com>
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The `so_` prefix is unnecessary here, it's already clear by the fact
that they are field of the solib type (and previously so_list).
Change-Id: I2c6773afc121d7631901e602913ea8a068840d0b
Reviewed-By: Guinevere Larsen <guinevere@redhat.com>
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This updates the copyright headers to include 2025. I did this by
running gdb/copyright.py and then manually modifying a few files as
noted by the script.
Approved-By: Eli Zaretskii <eliz@gnu.org>
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Functions implementing `solib_ops::current_sos` return a list of solib
object, transferring the ownership to their callers. However, the
return type, `intrusive_list<solib>`, does not reflect that.
Also, some of these functions build these lists incrementally, reading
this from the target for each solib. If a target read were to throw,
for instance, the already created solibs would just be leaked.
Change `solib_ops::current_sos` to return an owning_intrusive_list to
address that. Change `program_space::so_list` to be an
owning_intrusive_list as well. This also saves us doing a few manual
deletes.
Change-Id: I6e4071d49744874491625075136c59cce8e608d4
Reviewed-by: Keith Seitz <keiths@redhat.com>
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When GDB opens a core file, in 'core_target::build_file_mappings ()',
we collection information about the files that are mapped into the
core file, specifically, the build-id and the DT_SONAME attribute for
the file, which will be set for some shared libraries.
We then cache the DT_SONAME to build-id information on the core file
bfd object in the function set_cbfd_soname_build_id.
Later, when we are loading the shared libraries for the core file, we
can use the library's file name to look in the DT_SONAME to build-id
map, and, if we find a matching entry, we can use the build-id to
validate that we are loading the correct shared library.
This works OK, but has some limitations: not every shared library will
have a DT_SONAME attribute. Though it is good practice to add such an
attribute, it's not required. A library without this attribute will
not have its build-id checked, which can lead to GDB loading the wrong
shared library.
What I want to do in this commit is to improve GDB's ability to use
the build-ids extracted in core_target::build_file_mappings to both
validate the shared libraries being loaded, and then to use these
build-ids to potentially find (via debuginfod) the shared library.
To do this I propose making the following changes to GDB:
(1) Rather than just recording the DT_SONAME to build-id mapping in
set_cbfd_soname_build_id, we should also record, the full filename to
build-id mapping, and also the memory ranges to build-id mapping for
every memory range covered by every mapped file.
(2) Add a new callback solib_ops::find_solib_addr. This callback
takes a solib object and returns an (optional) address within the
inferior that is part of this library. We can use this address to
find a mapped file using the stored memory ranges which will increase
the cases in which a match can be found.
(3) Move the mapped file record keeping out of solib.c and into
corelow.c. Future commits will make use of this information from
other parts of GDB. This information was never solib specific, it
lived in the solib.c file because that was the only user of the data,
but really, the data is all about the core file, and should be stored
in core_target, other parts of GDB can then query this data as needed.
Now, when we load a shared library for a core file, we do the
following lookups:
1. Is the exact filename of the shared library found in the filename
to build-id map? If so then use this build-id for validation.
2. Find an address within the shared library using ::find_solib_addr
and then look for an entry in the mapped address to build-id map.
If an entry is found then use this build-id.
3. Finally, look in the soname to build-id map. If an entry is
found then use this build-id.
The addition of step #2 here means that GDB is now far more likely to
find a suitable build-id for a shared library. Having acquired a
build-id the existing code for using debuginfod to lookup a shared
library object can trigger more often.
On top of this, we also create a build-id to filename map. This is
useful as often a shared library is implemented as a symbolic link to
the actual shared library file. The mapped file information is stored
based on the actual, real file name, while the shared library
information holds the original symbolic link file name.
If when loading the shared library, we find the symbolic link has
disappeared, we can use the build-id to file name map to check if the
actual file is still around, if it is (and if the build-id matches)
then we can fall back to use that file. This is another way in which
we can slightly increase the chances that GDB will find the required
files when loading a core file.
Adding all of the above required pretty much a full rewrite of the
existing set_cbfd_soname_build_id function and the corresponding
get_cbfd_soname_build_id function, so I have taken the opportunity to
move the information caching out of solib.c and into corelow.c where
it is now accessed through the function core_target_find_mapped_file.
At this point the benefit of this move is not entirely obvious, though
I don't think the new location is significantly worse than where it
was originally. The benefit though is that the cached information is
no longer tied to the shared library loading code.
I already have a second set of patches (not in this series) that make
use of this caching from elsewhere in GDB. I've not included those
patches in this series as this series is already pretty big, but even
if those follow up patches don't arrive, I think the new location is
just as good as the original location.
Rather that caching the information within the core file BFD via the
registry mechanism, the information used for the mapped file lookup is
now stored within the core_file target directly.
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>From what I can see, lookup_minimal_symbol doesn't have any dependencies
on the global current state other than the single reference to
current_program_space. Add a program_space parameter and make that
current_program_space reference bubble up one level.
Change-Id: I759415e2f9c74c9627a2fe05bd44eb4147eee6fe
Reviewed-by: Keith Seitz <keiths@redhat.com>
Approved-By: Andrew Burgess <aburgess@redhat.com>
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Most calls to lookup_minimal_symbol don't pass a value for sfile and
objf. Make these parameters optional (have a default value of
nullptr). And since passing a value to `objf` is much more common than
passing a value to `sfile`, swap the order so `objf` comes first, to
avoid having to pass a nullptr value to `sfile` when wanting to pass a
value to `objf`.
Change-Id: I8e9cc6b942e593bec640f9dfd30f62786b0f5a27
Reviewed-by: Keith Seitz <keiths@redhat.com>
Approved-By: Andrew Burgess <aburgess@redhat.com>
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This is a simple find / replace from "struct bound_minimal_symbol" to
"bound_minimal_symbol", to make things shorter and more consisten
througout. In some cases, move variable declarations where first used.
Change-Id: Ica4af11c4ac528aa842bfa49a7afe8fe77a66849
Reviewed-by: Keith Seitz <keiths@redhat.com>
Approved-By: Andrew Burgess <aburgess@redhat.com>
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Commit 8971d2788e79 ("gdb: link so_list using intrusive_list")
mistakenly removed the line that moves the lm_info unique pointer to
sop->lm_info, probably due to a bad conflict resolution. Restore that
line.
Unfortunately, this code is only used for TI C66, which is not widely
tested (if used at all).
Change-Id: I9f64eb4430c324bc93ddb4bd00d820dee34adfbb
Approved-By: Tom Tromey <tom@tromey.com>
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Move the declarations out of defs.h, and the implementations out of
findvar.c.
I opted for a new file, because this functionality of converting
integers to bytes and vice-versa seems a bit to generic to live in
findvar.c.
Change-Id: I524858fca33901ee2150c582bac16042148d2251
Approved-By: John Baldwin <jhb@FreeBSD.org>
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Now that defs.h, server.h and common-defs.h are included via the
`-include` option, it is no longer necessary for source files to include
them. Remove all the inclusions of these files I could find. Update
the generation scripts where relevant.
Change-Id: Ia026cff269c1b7ae7386dd3619bc9bb6a5332837
Approved-By: Pedro Alves <pedro@palves.net>
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The core_bfd macro hides a use of current_program_space. Remove it, so
that we have the opportunity to get the program space from the context,
if possible. I guess that the macro was introduced at some point to
replace a global variable of the same name without changing all the
uses.
Change-Id: I971a65b29b5e5a5941f3cb7ea234547daa787268
Approved-By: Tom Tromey <tom@tromey.com>
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I don't like the name `target_so_ops`, because:
- The name `target` is so overloaded, and in this case it's not even
related to target_ops or anything else called "target".
- We do have an implementation that actually fetches solibs from the
target (solib_target_so_op in solib-target.c), so it's confusing for
the "base class" to be called target_something as well.
Rename to solib_ops.
Change-Id: I46a983d44e81400470e22deb09aaf26ad8a3587f
Approved-By: Tom Tromey <tom@tromey.com>
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`struct so_list` was recently renamed to `struct shobj` (in 3fe0dfd1604f
("gdb: rename struct so_list to shobj")). In hindsight, `solib` would
have been a better name. We have solib.c, the implementations in
solib-*.c, many functions with solib in their name, the solib_loaded /
solib_unloaded observables, etc.
Rename shobj to solib.
Change-Id: I0af1c7a9b29bdda027e9af633f6d37e1cfcacd5d
Approved-By: Tom Tromey <tom@tromey.com>
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This commit is the result of the following actions:
- Running gdb/copyright.py to update all of the copyright headers to
include 2024,
- Manually updating a few files the copyright.py script told me to
update, these files had copyright headers embedded within the
file,
- Regenerating gdbsupport/Makefile.in to refresh it's copyright
date,
- Using grep to find other files that still mentioned 2023. If
these files were updated last year from 2022 to 2023 then I've
updated them this year to 2024.
I'm sure I've probably missed some dates. Feel free to fix them up as
you spot them.
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Since GDB now requires C++17, we don't need the internally maintained
gdb::optional implementation. This patch does the following replacing:
- gdb::optional -> std::optional
- gdb::in_place -> std::in_place
- #include "gdbsupport/gdb_optional.h" -> #include <optional>
This change has mostly been done automatically. One exception is
gdbsupport/thread-pool.* which did not use the gdb:: prefix as it
already lives in the gdb namespace.
Change-Id: I19a92fa03e89637bab136c72e34fd351524f65e9
Approved-By: Tom Tromey <tom@tromey.com>
Approved-By: Pedro Alves <pedro@palves.net>
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gdb::make_unique is a wrapper around std::make_unique when compiled with
C++17. Now that C++17 is required, use std::make_unique directly in the
codebase, and remove gdb::make_unique.
Change-Id: I80b615e46e4b7c097f09d78e579a9bdce00254ab
Approved-By: Tom Tromey <tom@tromey.com>
Approved-By: Pedro Alves <pedro@palves.net
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Now that so_list lists are implemented using intrusive_list, it doesn't
really make sense for the element type to be named "_list". Rename to
just `struct shobj` (`struct so` was deemed to be not greppable enough).
Change-Id: I1063061901298bb40fee73bf0cce44cd12154c0e
Approved-By: Pedro Alves <pedro@palves.net>
Reviewed-By: Reviewed-By: Lancelot Six <lancelot.six@amd.com>
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Replace the hand-made linked list implementation with intrusive_list,
simplying management of list items.
Change-Id: I7f55fd88325bb197cc655c9be5a2ec966d8cc48d
Approved-By: Pedro Alves <pedro@palves.net>
Reviewed-By: Reviewed-By: Lancelot Six <lancelot.six@amd.com>
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Change these two fields, simplifying memory management and copying.
Change-Id: If2559284c515721e71e1ef56ada8b64667eebe55
Approved-By: Pedro Alves <pedro@palves.net>
Reviewed-By: Reviewed-By: Lancelot Six <lancelot.six@amd.com>
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Make it a unique_ptr, so it gets automatically deleted when the so_list
is deleted.
Change-Id: Ib62d60ae2a80656239860b80e4359121c93da13d
Approved-By: Pedro Alves <pedro@palves.net>
Reviewed-By: Reviewed-By: Lancelot Six <lancelot.six@amd.com>
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Now that the lm_info class hierarchy has a virtual destructor and
therefore a vtable, use checked_static_cast instead of C-style cases to
ensure (when building in dev mode) that we're casting to the right kind
of lm_info.
Change-Id: I9a99b7d6aa9a44edbe76377d57a7008cfb75a744
Approved-By: Pedro Alves <pedro@palves.net>
Reviewed-By: Reviewed-By: Lancelot Six <lancelot.six@amd.com>
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target_so_ops::free_so is responsible for freeing the specific lm_info
object. All implementations basically just call delete. Remove that
method, make the destructor of lm_info virtual, and call delete directly
from the free_so function. Make the sub-classes final, just because
it's good practice.
Change-Id: Iee1fd4861c75034a9e41a656add8ed8dfd8964ee
Approved-By: Pedro Alves <pedro@palves.net>
Reviewed-By: Reviewed-By: Lancelot Six <lancelot.six@amd.com>
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The base class doesn't need to have "_base" in its name, all the
sub-classes have a specific suffix.
Change-Id: I87652105cfedd87898770a81f0eda343ff7f2bdb
Approved-By: Pedro Alves <pedro@palves.net>
Reviewed-By: Reviewed-By: Lancelot Six <lancelot.six@amd.com>
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Initialize all fields in the class declaration, change allocations to
use "new", change deallocations to use "delete". This is needed by a
subsequent patches that use C++ stuff in so_list.
Change-Id: I4b140d9f1ec9ff809554a056f76e3eb2b9e23222
Approved-By: Pedro Alves <pedro@palves.net>
Reviewed-By: Reviewed-By: Lancelot Six <lancelot.six@amd.com>
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A subsequent patch changes so_list to be linked using
intrusive_list. Iterating an intrusive_list yields some references to
the list elements. Convert some functions accepting so_list objects to
take references, to make things easier and more natural. Add const
where possible and convenient.
Change-Id: Id5ab5339c3eb6432e809ad14782952d6a45806f3
Approved-By: Pedro Alves <pedro@palves.net>
Reviewed-By: Reviewed-By: Lancelot Six <lancelot.six@amd.com>
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The clear_solib is implicitly meant to clear the resources associated to
the current program space (that's what the solib implementations that
actually support multi-program-space / multi-inferior do). Make that
explicit by adding a program_space parameter and pass down
current_program_space in call sites. The implementation of the
clear_solib callbacks is fairly simple, I don't think any of them rely
on global state other than accessing current_program_space.
Change-Id: I8d0cc4db7b4f8db8d7452879c0c62db03269bf46
Approved-By: Pedro Alves <pedro@palves.net>
Reviewed-By: Reviewed-By: Lancelot Six <lancelot.six@amd.com>
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This function is just a wrapper around the current inferior's gdbarch.
I find that having that wrapper just obscures where the arch is coming
from, and that it's often used as "I don't know which arch to use so
I'll use this magical target_gdbarch function that gets me an arch" when
the arch should in fact come from something in the context (a thread,
objfile, symbol, etc). I think that removing it and inlining
`current_inferior ()->arch ()` everywhere will make it a bit clearer
where that arch comes from and will trigger people into reflecting
whether this is the right place to get the arch or not.
Change-Id: I79f14b4e4934c88f91ca3a3155f5fc3ea2fadf6b
Reviewed-By: John Baldwin <jhb@FreeBSD.org>
Approved-By: Andrew Burgess <aburgess@redhat.com>
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I'm starting to work on these files, I thought it would be a good time
to remove unused imports. These were identified by
include-what-you-use. Tested by rebuilding.
Change-Id: I3eaf3fa0ea3506c7ecfbc8ecff5031433b1dadb8
Reviewed-By: John Baldwin <jhb@FreeBSD.org>
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Fix grammar in some comments and docs:
- machines that doesn't -> machines that don't
- its a -> it's a
- its the -> it's the
- if does its not -> if it does it's not
- one more instructions if doesn't match ->
one more instruction if it doesn't match
- it's own -> its own
- it's first -> its first
- it's pointer -> its pointer
I also came across "it's performance" in gdb/stubs/*-stub.c in the HP public
domain notice, I've left that alone.
Tested on x86_64-linux.
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This replaces ALL_OBJFILE_OSECTIONS with an iterator so that for-each
can be used.
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I think objfile::sections makes sense as the name of the method to
iterate over an objfile's sections, so this patch renames the existing
field to objfile::sections_start in preparation for that.
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This changes gdb_bfd_lookup_symbol to use a function_view. This
simplifies the code a little bit.
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This commit is the result of running the gdb/copyright.py script,
which automated the update of the copyright year range for all
source files managed by the GDB project to be updated to include
year 2023.
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This changes some target_so_ops instances to be const. This makes
their use a little more obvious (they can't be mutated) and also
allows for the removal of some initialization code.
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This rewrites registry.h, removing all the macros and replacing it
with relatively ordinary template classes. The result is less code
than the previous setup. It replaces large macros with a relatively
straightforward C++ class, and now manages its own cleanup.
The existing type-safe "key" class is replaced with the equivalent
template class. This approach ended up requiring relatively few
changes to the users of the registry code in gdb -- code using the key
system just required a small change to the key's declaration.
All existing users of the old C-like API are now converted to use the
type-safe API. This mostly involved changing explicit deletion
functions to be an operator() in a deleter class.
The old "save/free" two-phase process is removed, and replaced with a
single "free" phase. No existing code used both phases.
The old "free" callbacks took a parameter for the enclosing container
object. However, this wasn't truly needed and is removed here as
well.
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This renames the solib-dsbt.c copy of "struct ext_link_map" to avoid
an ODR warning.
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=22395
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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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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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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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scan_dyntag is unnecessarily duplicated in solib-svr4.c and solib-dsbt.c.
Move this function to solib.c and rename it to gdb_bfd_scan_elf_dyntag.
Also add it to solib.h so it is included in both solib-svr4 and solib-dsbt.
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Convert these three macros to methods of obj_section. The problem fixed
by the following patch is caused by an out of bound access of the
objfile::section_offsets vector. Since this is deep in macros, we don't
get a clear backtrace and it's difficult to debug. Changing that to
methods means we can step in them and break on them.
Because their implementation requires knowing about struct objfile, move
struct obj_section below struct objfile in objfiles.h.
The obj_section_offset was used in one place as an lvalue to set
offsets, in machoread.c. Replace that with a set_offset method.
Add the objfile::section_offset and objfile::set_section_offset methods
to improve encapsulation (reduce other objects poking into struct
objfile's internals).
gdb/ChangeLog:
* objfiles.h (struct obj_section): Move down.
<offset, set_offset, addr, endaddr>: New.
(obj_section_offset, obj_section_addr, obj_section_endaddr),
replace all users to use obj_section methods.
(struct objfile) <section_offset, set_section_offset>: New.
Change-Id: I97e8fcae93ab2353fbdadcb4a5ec10d7949a7334
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The current_top_target function is a hidden dependency on the current
inferior. Since I'd like to slowly move towards reducing our dependency
on the global current state, remove this function and make callers use
current_inferior ()->top_target ()
There is no expected change in behavior, but this one step towards
making those callers use the inferior from their context, rather than
refer to the global current inferior.
gdb/ChangeLog:
* target.h (current_top_target): Remove, make callers use the
current inferior instead.
* target.c (current_top_target): Remove.
Change-Id: Iccd457036f84466cdaa3865aa3f9339a24ea001d
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