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71 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Andrew Burgess
|
1d506c26d9 |
Update copyright year range in header of all files managed by GDB
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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Lancelot Six
|
072f1814d3 |
gdb/disasm.h: Mark callbacks noexcept unconditionally
Given that C++17 is now a requirement for GDB, update gdb/disasm.h to define callback function types noexcept unconditionally. The pre-C++17 configuration is not supported anymore. Change-Id: I0a38e22b7912c70a11425363a991f0b01614343e Approved-By: Tom Tromey <tom@tromey.com> Approved-By: Pedro Alves <pedro@palves.net> |
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Lancelot Six
|
6b09f1342c |
gdb: Replace gdb::optional with std::optional
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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Andrew Burgess
|
34f997c8f7 |
gdb: style filenames in separate debug file warnings
After the commit:
commit
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Tom de Vries
|
3bfdcabbc2 |
[gdb] Fix more typos
Fix some more typos: - distinquish -> distinguish - actualy -> actually - singe -> single - frash -> frame - chid -> child - dissassembler -> disassembler - uninitalized -> uninitialized - precontidion -> precondition - regsiters -> registers - marge -> merge - sate -> state - garanteed -> guaranteed - explictly -> explicitly - prefices (nonstandard plural) -> prefixes - bondary -> boundary - formated -> formatted - ithe -> the - arrav -> array - coresponding -> corresponding - owend -> owned - fials -> fails - diasm -> disasm - ture -> true - tpye -> type There's one code change, the name of macro SIG_CODE_BONDARY_FAULT changed to SIG_CODE_BOUNDARY_FAULT. Tested on x86_64-linux. |
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Simon Marchi
|
8b588f4212 |
gdb: make gdb_printing_disassembler::stream public
In the ROCm port, we need to access the underlying stream of a gdb_printing_disassembler, so make it public. The reason we need to access it is to know whether it supports style escape code. We then pass that information to a temporary string_file we use while symbolizing addresses. Change-Id: Ib95755a4a45b8f6478787993e9f904df60dd8dc1 Approved-By: Andrew Burgess <aburgess@redhat.com> |
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Joel Brobecker
|
213516ef31 |
Update copyright year range in header of all files managed by GDB
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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Andrew Burgess
|
5975a5cace |
gdb: mark disassembler function callback types as noexcept
In disasm.h we define a set of types that are used by the various
disassembler classes to hold callback functions before passing the
callbacks into libopcodes.
Because libopcodes is C code, and on some (many?) targets, C code is
compiled without exception support, it is important that GDB not try
to throw an exception over libopcode code.
In the previous commit all the existing callbacks were marked as
noexcept, however, this doesn't protect us from a future change to GDB
either adding a new callback that is not noexcept, or removing the
noexcept keyword from an existing callback.
In this commit I mark all the callback types as noexcept. This means
that GDB's disassembler classes will no longer compile if we try to
pass a callback that is not marked as noexcept.
At least, that's the idea. Unfortunately, it's not that easy.
Before C++17, the noexcept keyword on a function typedef would be
ignored, thus:
using func_type = void (*) (void) noexcept;
void
a_func ()
{
throw 123;
}
void
some_func (func_type f)
{
f ();
}
int
main ()
{
some_func (a_func);
return 0;
}
Will compile just fine for C++11 and C++14 with GCC. Clang on the
other hand complains that 'noexcept' should not appear on function
types, but then does appear to correctly complain that passing a_func
is a mismatch in the set of exceptions that could be thrown.
Switching to C++17 and both GCC and Clang correctly point out that
passing a_func is an invalid conversion relating to the noexcept
keyword. Changing a_func to:
void
a_func () noexcept
{ /* Nothing. */ }
And for C++17 both GCC and Clang compile this just fine.
My conclusion then is that adding the noexcept keyword to the function
types is pointless while GDB is not compiled as C++17, and silencing
the warnings would require us to jump through a bunch of hoops.
And so, in this commit, I define a macro LIBOPCODE_CALLBACK_NOEXCEPT,
this macro expands to noexcept when compiling for C++17, but otherwise
expands to nothing. I then add this macro to the function types.
I've compiled GDB as the default C++11 and also forced the compile to
C++17. When compiling as C++17 I spotted a few additional places
where callbacks needed to be marked noexcept (these fixes were merged
into the previous commit, but this confirmed to be that the macro is
working as expected).
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Andrew Burgess
|
8eb7d135e3 |
gdb/disasm: mark functions passed to the disassembler noexcept
While working on another patch, Simon pointed out that GDB could be improved by marking the functions passed to the disassembler as noexcept. https://sourceware.org/pipermail/gdb-patches/2022-October/193084.html The reason this is important is the on some hosts, libopcodes, being C code, will not be compiled with support for handling exceptions. As such, an attempt to throw an exception over libopcodes code will cause GDB to terminate. See bug gdb/29712 for an example of when this happened. In this commit all the functions that are passed to the disassembler, and which might be used as callbacks by libopcodes are marked noexcept. Ideally, I would have liked to change these typedefs: using read_memory_ftype = decltype (disassemble_info::read_memory_func); using memory_error_ftype = decltype (disassemble_info::memory_error_func); using print_address_ftype = decltype (disassemble_info::print_address_func); using fprintf_ftype = decltype (disassemble_info::fprintf_func); using fprintf_styled_ftype = decltype (disassemble_info::fprintf_styled_func); which are declared in disasm.h, as including the noexcept keyword. However, when I tried this, I ran into this warning/error: In file included from ../../src/gdb/disasm.c:25: ../../src/gdb/disasm.h: In constructor ‘gdb_printing_disassembler::gdb_printing_disassembler(gdbarch*, ui_file*, gdb_disassemble_info::read_memory_ftype, gdb_disassemble_info::memory_error_ftype, gdb_disassemble_info::print_address_ftype)’: ../../src/gdb/disasm.h:116:3: error: mangled name for ‘gdb_printing_disassembler::gdb_printing_disassembler(gdbarch*, ui_file*, gdb_disassemble_info::read_memory_ftype, gdb_disassemble_info::memory_error_ftype, gdb_disassemble_info::print_address_ftype)’ will change in C++17 because the exception specification is part of a function type [-Werror=noexcept-type] 116 | gdb_printing_disassembler (struct gdbarch *gdbarch, | ^~~~~~~~~~~~~~~~~~~~~~~~~ So I've left that change out. This does mean that if somebody adds a new use of the disassembler classes in the future, and forgets to mark the callbacks as noexcept, this will compile fine. We'll just have to manually check for that during review. |
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Andrew Burgess
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f22c50c22c |
gdb: improve disassembler styling when Pygments raises an exception
While working on another issue relating to GDB's use of the Python
Pygments package for disassembly styling I noticed an issue in the
case where the Pygments package raises an exception.
The intention of the current code is that, should the Pygments package
raise an exception, GDB will disable future attempts to call into the
Pygments code. This was intended to prevent repeated errors during
disassembly if, for some reason, the Pygments code isn't working.
Since the Pygments based styling was added, GDB now supports
disassembly styling using libopcodes, but this is only available for
some architectures. For architectures not covered by libopcodes
Pygments is still the only option.
What I observed is that, if I disable the libopcodes styling, then
setup GDB so that the Pygments based styling code will indicate an
error (by returning None), GDB does, as expected, stop using the
Pygments based styling. However, the libopcodes based styling will
instead be used, despite this feature having been disabled.
The problem is that the disassembler output is produced into a
string_file buffer. When we are using Pygments, this buffer is
created without styling support. However, when Pygments fails, we
recreate the buffer with styling support.
The problem is that we should only recreate the buffer with styling
support only if libopcodes styling is enabled. This was an oversight
in commit:
commit
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Andrew Burgess
|
d309a8f9b3 |
gdb/disasm: read opcodes bytes with a single read_code call
This commit reduces the number of times we call read_code when printing the instruction opcode bytes during disassembly. I've added a new gdb::byte_vector within the gdb_pretty_print_disassembler class, in line with all the other buffers that gdb_pretty_print_disassembler needs. This byte_vector is then resized as needed, and filled with a single read_code call for each instruction. There should be no user visible changes after this commit. |
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Andrew Burgess
|
554128418b |
gdb: fix use of uninitialised gdb_printing_disassembler::m_in_comment
Simon pointed out that gdb_printing_disassembler::m_in_comment can be
used uninitialised by the Python disassembler API code. This issue
was spotted when GDB was built with the undefined behaviour sanitizer,
and causes the gdb.python/py-disasm.exp test to fail like this:
(gdb) PASS: gdb.python/py-disasm.exp: global_disassembler=GlobalPreInfoDisassembler: python add_global_disassembler(GlobalPreInfoDisassembler)
disassemble main
Dump of assembler code for function main:
0x0000555555555119 <+0>: push %rbp
0x000055555555511a <+1>: mov %rsp,%rbp
0x000055555555511d <+4>: nop
/home/user/src/binutils-gdb/gdb/disasm.h:144:12: runtime error: load of value 118, which is not a valid value for type 'bool'
The problem is that in disasmpy_builtin_disassemble we create a new
instance of gdbpy_disassembler, which is a sub-class of
gdb_printing_disassembler, however, the m_in_comment field is never
initialised.
This commit fixes the issue by providing a default initialisation
value for m_in_comment in disasm.h. As we only ever disassemble a
single instruction in disasmpy_builtin_disassemble then we don't need
to worry about reseting m_in_comment back to false after the single
instruction has been disassembled.
With this commit the above issue is resolved and
gdb.python/py-disasm.exp now passes.
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Andrew Burgess
|
4cbe4ca5da |
gdb: add support for disassembler styling using libopcodes
This commit extends GDB to make use of libopcodes styling support where available, currently this is just i386 based architectures, and RISC-V. For architectures that don't support styling using libopcodes GDB will fall back to using the Python Pygments package, when the package is available. The new libopcodes based styling has the disassembler identify parts of the disassembled instruction, e.g. registers, immediates, mnemonics, etc, and can style these components differently. Additionally, as the styling is now done in GDB we can add settings to allow the user to configure which colours are used right from the GDB CLI. There's some new maintenance commands: maintenance set libopcodes-styling enabled on|off maintenance show libopcodes-styling These can be used to manually disable use of libopcodes styling. This is a maintenance command as it's not anticipated that a user should need to do this. But, this could be useful for testing, or, in some rare cases, a user might want to override the Python hook used for disassembler styling, and then disable libopcode styling so that GDB falls back to using Python. Right now I would consider this second use case a rare situation, which is why I think a maintenance command is appropriate. When libopcodes is being used for styling then the user can make use of the following new styles: set/show style disassembler comment set/show style disassembler immediate set/show style disassembler mnemonic set/show style disassembler register The disassembler also makes use of the 'address' and 'function' styles to style some parts of the disassembler output. I have also added the following aliases though: set/show style disassembler address set/show style disassembler symbol these are aliases for: set/show style address set/show style function respectively, and exist to make it easier for users to discover disassembler related style settings. The 'address' style is used to style numeric addresses in the disassembler output, while the 'symbol' or 'function' style is used to style the names of symbols in disassembler output. As not every architecture supports libopcodes styling, the maintenance setting 'libopcodes-styling enabled' has an "auto-off" type behaviour. Consider this GDB session: (gdb) show architecture The target architecture is set to "auto" (currently "i386:x86-64"). (gdb) maintenance show libopcodes-styling enabled Use of libopcodes styling support is "on". the setting defaults to "on" for architectures that support libopcodes based styling. (gdb) set architecture sparc The target architecture is set to "sparc". (gdb) maintenance show libopcodes-styling enabled Use of libopcodes styling support is "off" (not supported on architecture "sparc") the setting will show as "off" if the user switches to an architecture that doesn't support libopcodes styling. The underlying setting is still "on" at this point though, if the user switches back to i386:x86-64 then the setting would go back to being "on". (gdb) maintenance set libopcodes-styling enabled off (gdb) maintenance show libopcodes-styling enabled Use of libopcodes styling support is "off". now the setting is "off" for everyone, even if the user switches back to i386:x86-64 the setting will still show as "off". (gdb) maintenance set libopcodes-styling enabled on Use of libopcodes styling not supported on architecture "sparc". (gdb) maintenance show libopcodes-styling enabled Use of libopcodes styling support is "off". attempting to switch the setting "on" for an unsupported architecture will give an error, and the setting will remain "off". (gdb) set architecture auto The target architecture is set to "auto" (currently "i386:x86-64"). (gdb) maintenance show libopcodes-styling enabled Use of libopcodes styling support is "off". (gdb) maintenance set libopcodes-styling enabled on (gdb) maintenance show libopcodes-styling enabled Use of libopcodes styling support is "on". the user will need to switch back to a supported architecture before they can one again turn this setting "on". |
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Andrew Burgess
|
81384924cd |
gdb: have gdb_disassemble_info carry 'this' in its stream pointer
The gdb_disassemble_info class is a wrapper around the libopcodes
disassemble_info struct. The 'stream' field of disassemble_info is
passed as an argument to the fprintf_func and fprintf_styled_func
callbacks when the disassembler wants to print anything.
Previously, GDB would store a pointer to a ui_file object in the
'stream' field, then, when the disassembler wanted to print anything,
the content would be written to the ui_file object. An example of an
fprintf_func callback, from gdb/disasm.c is:
int
gdb_disassembler::dis_asm_fprintf (void *stream, const char *format, ...)
{
/* Write output to STREAM here. */
}
This is fine, but has one limitation, within the print callbacks we
only have access to STREAM, we can't access any additional state
stored within the gdb_disassemble_info object.
Right now this isn't a problem, but in a future commit this will
become an issue, how we style the output being written to STREAM will
depend on the state of the gdb_disassemble_info object, and this state
might need to be updated, depending on what is being printed.
In this commit I propose changing the 'stream' field of the
disassemble_info to carry a pointer to the gdb_disassemble_info
sub-class, rather than the stream itself.
We then have the two sub-classes of gdb_disassemble_info to consider,
the gdb_non_printing_disassembler class never cared about the stream,
previously, for this class, the stream was nullptr. With the change
to make stream be a gdb_disassemble_info pointer, no further updates
are needed for gdb_non_printing_disassembler.
The other sub-class is gdb_printing_disassembler. In this case the
sub-class now carries around a pointer to the stream object. The
print callbacks are updated to cast the incoming stream object back to
a gdb_printing_disassembler, and then extract the stream.
This is purely a refactoring commit. A later commit will add
additional state to the gdb_printing_disassembler, and update the
print callbacks to access this state.
There should be no user visible changes after this commit.
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Andrew Burgess
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75033d0841 |
gdb: unify two dis_asm_read_memory functions in disasm.c
After the recent restructuring of the disassembler code, GDB has ended up with two identical class static functions, both called dis_asm_read_memory, with identical implementations. My first thought was to move these out of their respective classes, and just make them global functions, then I'd only need a single copy. And maybe that's the right way to go. But I disliked that by doing that I loose the encapsulation of the method with the corresponding disassembler class. So, instead, I placed the static method into its own class, and had both the gdb_non_printing_memory_disassembler and gdb_disassembler classes inherit from this new class as an additional base-class. In terms of code generated, I don't think there's any significant difference with this approach, but I think this better reflects how the function is closely tied to the disassembler. There should be no user visible changes after this commit. |
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Andrew Burgess
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8b39b1e7ab |
gdb: refactor the non-printing disassemblers
This commit started from an observation I made while working on some other disassembler patches, that is, that the function gdb_buffered_insn_length, is broken ... sort of. I noticed that the gdb_buffered_insn_length function doesn't set up the application data field if the disassemble_info structure. Further, I noticed that some architectures, for example, ARM, require that the application_data field be set, see gdb_print_insn_arm in arm-tdep.c. And so, if we ever use gdb_buffered_insn_length for ARM, then GDB will likely crash. Which is why I said only "sort of" broken. Right now we don't use gdb_buffered_insn_length with ARM, so maybe it isn't broken yet? Anyway to prove to myself that there was a problem here I extended the disassembler self tests in disasm-selftests.c to include a test of gdb_buffered_insn_length. As I run the test for all architectures, I do indeed see GDB crash for ARM. To fix this we need gdb_buffered_insn_length to create a disassembler that inherits from gdb_disassemble_info, but we also need this new disassembler to not print anything. And so, I introduce a new gdb_non_printing_disassembler class, this is a disassembler that doesn't print anything to the output stream. I then observed that both ARC and S12Z also create non-printing disassemblers, but these are slightly different. While the disassembler in gdb_non_printing_disassembler reads the instruction from a buffer, the ARC and S12Z disassemblers read from target memory using target_read_code. And so, I further split gdb_non_printing_disassembler into two sub-classes, gdb_non_printing_memory_disassembler and gdb_non_printing_buffer_disassembler. The new selftests now pass, but otherwise, there should be no user visible changes after this commit. |
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Andrew Burgess
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f0c2e3e020 |
gdb: add new base class to gdb_disassembler
The motivation for this change is an upcoming Python disassembler API
that I would like to add. As part of that change I need to create a
new disassembler like class that contains a disassemble_info and a
gdbarch. The management of these two objects is identical to how we
manage these objects within gdb_disassembler, so it might be tempting
for my new class to inherit from gdb_disassembler.
The problem however, is that gdb_disassembler has a tight connection
between its constructor, and its print_insn method. In the
constructor the ui_file* that is passed in is replaced with a member
variable string_file*, and then in print_insn, the contents of the
member variable string_file are printed to the original ui_file*.
What this means is that the gdb_disassembler class has a tight
coupling between its constructor and print_insn; the class just isn't
intended to be used in a situation where print_insn is not going to be
called, which is how my (upcoming) sub-class would need to operate.
My solution then, is to separate out the management of the
disassemble_info and gdbarch into a new gdb_disassemble_info class,
and make this class a parent of gdb_disassembler.
In arm-tdep.c and mips-tdep.c, where we used to cast the
disassemble_info->application_data to a gdb_disassembler, we can now
cast to a gdb_disassemble_info as we only need to access the gdbarch
information.
Now, my new Python disassembler sub-class will still want to print
things to an output stream, and so we will want access to the
dis_asm_fprintf functionality for printing.
However, rather than move this printing code into the
gdb_disassemble_info base class, I have added yet another level of
hierarchy, a gdb_printing_disassembler, thus the class structure is
now:
struct gdb_disassemble_info {};
struct gdb_printing_disassembler : public gdb_disassemble_info {};
struct gdb_disassembler : public gdb_printing_disassembler {};
In a later commit my new Python disassembler will inherit from
gdb_printing_disassembler.
The reason for adding the additional layer to the class hierarchy is
that in yet another commit I intend to rewrite the function
gdb_buffered_insn_length, and to do this I will be creating yet more
disassembler like classes, however, these will not print anything,
thus I will add a gdb_non_printing_disassembler class that also
inherits from gdb_disassemble_info. Knowing that that change is
coming, I've gone with the above class hierarchy now.
There should be no user visible changes after this commit.
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Andrew Burgess
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c8154ce0d6 |
gdb: move gdb_disassembly_flag into a new disasm-flags.h file
While working on the disassembler I was getting frustrated. Every time I touched disasm.h it seemed like every file in GDB would need to be rebuilt. Surely the disassembler can't be required by that many parts of GDB, right? Turns out that disasm.h is included in target.h, so pretty much every file was being rebuilt! The only thing from disasm.h that target.h needed is the gdb_disassembly_flag enum, as this is part of the target_ops api. In this commit I move gdb_disassembly_flag into its own file. This is then included in target.h and disasm.h, after which, the number of files that depend on disasm.h is much reduced. I also audited all the other includes of disasm.h and found that the includes in mep-tdep.c and python/py-registers.c are no longer needed, so I've removed these. Now, after changing disasm.h, GDB rebuilds much quicker. There should be no user visible changes after this commit. |
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Andrew Burgess
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60a3da00bd |
objdump/opcodes: add syntax highlighting to disassembler output
This commit adds the _option_ of having disassembler output syntax
highlighted in objdump. This option is _off_ by default. The new
command line options are:
--disassembler-color=off # The default.
--disassembler-color=color
--disassembler-color=extended-color
I have implemented two colour modes, using the same option names as we
use of --visualize-jumps, a basic 8-color mode ("color"), and an
extended 8bit color mode ("extended-color").
The syntax highlighting requires that each targets disassembler be
updated; each time the disassembler produces some output we now pass
through an additional parameter indicating what style should be
applied to the text.
As updating all target disassemblers is a large task, the old API is
maintained. And so, a user of the disassembler (i.e. objdump, gdb)
must provide two functions, the current non-styled print function, and
a new, styled print function.
I don't currently have a plan for converting every single target
disassembler, my hope is that interested folk will update the
disassemblers they are interested in. But it is possible some might
never get updated.
In this initial series I intend to convert the RISC-V disassembler
completely, and also do a partial conversion of the x86 disassembler.
Hopefully having the x86 disassembler at least partial converted will
allow more people to try this out easily and provide feedback.
In this commit I have focused on objdump. The changes to GDB at this
point are the bare minimum required to get things compiling, GDB makes
no use of the styling information to provide any colors, that will
come later, if this commit is accepted.
This first commit in the series doesn't convert any target
disassemblers at all (the next two commits will update some targets),
so after this commit, the only color you will see in the disassembler
output, is that produced from objdump itself, e.g. from
objdump_print_addr_with_sym, where we print an address and a symbol
name, these are now printed with styling information, and so will have
colors applied (if the option is on).
Finally, my ability to pick "good" colors is ... well, terrible. I'm
in no way committed to the colors I've picked here, so I encourage
people to suggest new colors, or wait for this commit to land, and
then patch the choice of colors.
I do have an idea about using possibly an environment variable to
allow the objdump colors to be customised, but I haven't done anything
like that in this commit, the color choices are just fixed in the code
for now.
binutils/ChangeLog:
* NEWS: Mention new feature.
* doc/binutils.texi (objdump): Describe --disassembler-color
option.
* objdump.c (disassembler_color): New global.
(disassembler_extended_color): Likewise.
(disassembler_in_comment): Likewise.
(usage): Mention --disassembler-color option.
(long_options): Add --disassembler-color option.
(objdump_print_value): Use fprintf_styled_func instead of
fprintf_func.
(objdump_print_symname): Likewise.
(objdump_print_addr_with_sym): Likewise.
(objdump_color_for_disassembler_style): New function.
(objdump_styled_sprintf): New function.
(fprintf_styled): New function.
(disassemble_jumps): Use disassemble_set_printf, and reset
disassembler_in_comment.
(null_styled_print): New function.
(disassemble_bytes): Use disassemble_set_printf, and reset
disassembler_in_comment.
(disassemble_data): Update init_disassemble_info call.
(main): Handle --disassembler-color option.
include/ChangeLog:
* dis-asm.h (enum disassembler_style): New enum.
(struct disassemble_info): Add fprintf_styled_func field, and
created_styled_output field.
(disassemble_set_printf): Declare.
(init_disassemble_info): Add additional parameter.
(INIT_DISASSEMBLE_INFO): Add additional parameter.
opcodes/ChangeLog:
* dis-init.c (init_disassemble_info): Take extra parameter,
initialize the new fprintf_styled_func and created_styled_output
fields.
* disassembler.c (disassemble_set_printf): New function definition.
|
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Andrew Burgess
|
e867795e8b |
gdb: use python to colorize disassembler output
This commit adds styling support to the disassembler output, as such two new commands are added to GDB: set style disassembler enabled on|off show style disassembler enabled In this commit I make use of the Python Pygments package to provide the styling. I did investigate making use of libsource-highlight, however, I found the highlighting results to be inferior to those of Pygments; only some mnemonics were highlighted, and highlighting of register names such as r9d and r8d (on x86-64) was incorrect. To enable disassembler highlighting via Pygments, I've added a new extension language hook, which is then implemented for Python. This hook is very similar to the existing hook for source code colorization. One possibly odd choice I made with the new hook is to pass a gdb.Architecture through, even though this is currently unused. The reason this argument is not used is that, currently, styling is performed identically for all architectures. However, even though the Python function used to perform styling of disassembly output is not part of any documented API, I don't want to close the door on a user overriding this function to provide architecture specific styling. To do this, the user would inevitably require access to the gdb.Architecture, and so I decided to add this field now. The styling is applied within gdb_disassembler::print_insn, to achieve this, gdb_disassembler now writes its output into a temporary buffer, styling is then applied to the contents of this buffer. Finally the gdb_disassembler buffer is copied out to its final destination stream. There's a new test to check that the disassembler output includes some escape sequences, though I don't check for specific colours; the precise colors will depend on which instructions are in the disassembler output, and, I guess, how pygments is configured. The only negative change with this commit is how we currently style addresses in GDB. Currently, when the disassembler wants to print an address, we call back into GDB, and GDB prints the address value using the `address` styling, and the symbol name using `function` styling. After this commit, if pygments is used, then all disassembler styling is done through pygments, and this include the address and symbol name parts of the disassembler output. I don't know how much of an issue this will be for people. There's already some precedent for this in GDB when we look at source styling. For example, function names in styled source listings are not styled using the `function` style, but instead, either GNU Source Highlight, or pygments gets to decide how the function name should be styled. If the Python pygments library is not present then GDB will continue to behave as it always has, the disassembler output is mostly unstyled, but the address and symbols are styled using the `address` and `function` styles, as they are today. However, if the user does `set style disassembler enabled off`, then all disassembler styling is switched off. This obviously covers the use of pygments, but also includes the minimal styling done by GDB when pygments is not available. |
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Andrew Burgess
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59091b1280 |
gdb/disasm: combine the no printing disassembler setup code
We have three places in gdb where we initialise a disassembler that will not print anything (used for figuring out the length of instructions, or collecting other information from the disassembler). Each of these places has its own stub function to act as a print like callback, the stub function is identical in each case, and just does nothing. In this commit I create a new function to initialise a disassembler that doesn't print anything, and have all three locations use this new function. There's now only one non-printing stub function. There should be no user visible changes after this commit. |
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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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Andrew Burgess
|
431be556b0 |
gdb: make disassembler fprintf callback a static member function
The disassemble_info structure has four callbacks, we have three of them as static member functions within gdb_disassembler, the fourth is just a global static function. However, this fourth callback, is still only used from the disassemble_info struct, so there's no real reason for its special handling. This commit makes fprintf_disasm a static method within gdb_disassembler. There should be no user visible changes after this commit. |
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Andrew Burgess
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76b43c9b5c |
gdb: improve error reporting from the disassembler
If the libopcodes disassembler returns a negative value then this
indicates that the disassembly failed for some reason. In disas.c, in
the function gdb_disassembler::print_insn we can see how this is
handled; when we get a negative value back, we call the memory_error
function, which throws an exception.
The problem here is that the address used in the memory_error call is
gdb_disassembler::m_err_memaddr, which is set in
gdb_disassembler::dis_asm_memory_error, which is called from within
the libopcodes disassembler through the
disassembler_info::memory_error_func callback.
However, for this to work correctly, every time the libopcodes
disassembler returns a negative value, the libopcodes disassembler
must have first called the memory_error_func callback.
My first plan was to make m_err_memaddr a gdb::optional, and assert
that it always had a value prior to calling memory_error, however, a
quick look in opcodes/*-dis.c shows that there _are_ cases where a
negative value is returned without first calling the memory_error_func
callback, for example in arc-dis.c and cris-dis.c.
Now, I think that a good argument can be made that these disassemblers
must therefore be broken, except for the case where we can't read
memory, we should always be able to disassemble the memory contents to
_something_, even if it's just '.word 0x....'. However, I certainly
don't plan to go and fix all of the disassemblers.
What I do propose to do then, is make m_err_memaddr a gdb::optional,
but now, instead of always calling memory_error, I add a new path
which just calls error complaining about an unknown error. This new
path is only used if m_err_memaddr doesn't have a value (indicating
that the memory_error_func callback was not called).
To test this I just augmented one of the disassemblers to always
return -1, before this patch I see this:
Dump of assembler code for function main:
0x000101aa <+0>: Cannot access memory at address 0x0
And after this commit I now see:
Dump of assembler code for function main:
0x000101aa <+0>: unknown disassembler error (error = -1)
This doesn't really help much, but that's because there's no way to
report non memory errors out of the disasembler, because, it was not
expected that the disassembler would ever report non memory errors.
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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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Joel Brobecker
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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.
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Tom Tromey
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4d89c1c79f |
Call disassemble_free_target in gdb
Commit
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Joel Brobecker
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b811d2c292 |
Update copyright year range in all GDB files.
gdb/ChangeLog:
Update copyright year range in all GDB files.
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Tom Tromey
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046bebe1c0 |
Add more styling to "disassemble"
This adds more styling to the disassemble command. In particular, addresses and function names in the disassembly are now styled. This required fixing a small latent bug in set_output_style. This function always passed NULL to emit_style_escape; but when writing to a file other than gdb_stdout, it should emit the style escape directly. (FWIW this is another argument for better integrating the pager with ui_file and getting rid of this entire layer.) gdb/ChangeLog 2019-08-06 Tom Tromey <tom@tromey.com> * utils.c (set_output_style): Sometimes pass stream to emit_style_escape. * ui-out.h (class ui_out) <can_emit_style_escape>: Declare. * record-btrace.c (btrace_insn_history): Update. * mi/mi-out.h (class mi_ui_out) <can_emit_style_escape>: New method. * disasm.h (gdb_pretty_print_disassembler): Add uiout parameter. Update initializers. <m_uiout>: New field. <m_di>: Move lower. * disasm.c (gdb_pretty_print_disassembler::pretty_print_insn): Remove "uiout" parameter. (dump_insns): Update. * cli-out.h (class cli_ui_out) <can_emit_style_escape>: Declare. * cli-out.c (cli_ui_out::can_emit_style_escape): New method. gdb/testsuite/ChangeLog 2019-08-06 Tom Tromey <tom@tromey.com> * gdb.base/style.exp: Add disassemble test. * gdb.base/style.c (some_called_function): New function. (main): Use it. |
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Tom Tromey
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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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Tom Tromey
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4de283e4b5 |
Revert the header-sorting patch
Andreas Schwab and John Baldwin pointed out some bugs in the header sorting patch; and I noticed that the output was not correct when limited to a subset of files (a bug in my script). So, I'm reverting the patch. I may try again after fixing the issues pointed out. gdb/ChangeLog 2019-04-05 Tom Tromey <tom@tromey.com> Revert the header-sorting patch. * ft32-tdep.c: Revert. * frv-tdep.c: Revert. * frv-linux-tdep.c: Revert. * frame.c: Revert. * frame-unwind.c: Revert. * frame-base.c: Revert. * fork-child.c: Revert. * findvar.c: Revert. * findcmd.c: Revert. * filesystem.c: Revert. * filename-seen-cache.h: Revert. * filename-seen-cache.c: Revert. * fbsd-tdep.c: Revert. * fbsd-nat.h: Revert. * fbsd-nat.c: Revert. * f-valprint.c: Revert. * f-typeprint.c: Revert. * f-lang.c: Revert. * extension.h: Revert. * extension.c: Revert. * extension-priv.h: Revert. * expprint.c: Revert. * exec.h: Revert. * exec.c: Revert. * exceptions.c: Revert. * event-top.c: Revert. * event-loop.c: Revert. * eval.c: Revert. * elfread.c: Revert. * dwarf2read.h: Revert. * dwarf2read.c: Revert. * dwarf2loc.c: Revert. * dwarf2expr.h: Revert. * dwarf2expr.c: Revert. * dwarf2-frame.c: Revert. * dwarf2-frame-tailcall.c: Revert. * dwarf-index-write.h: Revert. * dwarf-index-write.c: Revert. * dwarf-index-common.c: Revert. * dwarf-index-cache.h: Revert. * dwarf-index-cache.c: Revert. * dummy-frame.c: Revert. * dtrace-probe.c: Revert. * disasm.h: Revert. * disasm.c: Revert. * disasm-selftests.c: Revert. * dictionary.c: Revert. * dicos-tdep.c: Revert. * demangle.c: Revert. * dcache.h: Revert. * dcache.c: Revert. * darwin-nat.h: Revert. * darwin-nat.c: Revert. * darwin-nat-info.c: Revert. * d-valprint.c: Revert. * d-namespace.c: Revert. * d-lang.c: Revert. * ctf.c: Revert. * csky-tdep.c: Revert. * csky-linux-tdep.c: Revert. * cris-tdep.c: Revert. * cris-linux-tdep.c: Revert. * cp-valprint.c: Revert. * cp-support.c: Revert. * cp-namespace.c: Revert. * cp-abi.c: Revert. * corelow.c: Revert. * corefile.c: Revert. * continuations.c: Revert. * completer.h: Revert. * completer.c: Revert. * complaints.c: Revert. * coffread.c: Revert. * coff-pe-read.c: Revert. * cli-out.h: Revert. * cli-out.c: Revert. * charset.c: Revert. * c-varobj.c: Revert. * c-valprint.c: Revert. * c-typeprint.c: Revert. * c-lang.c: Revert. * buildsym.c: Revert. * buildsym-legacy.c: Revert. * build-id.h: Revert. * build-id.c: Revert. * btrace.c: Revert. * bsd-uthread.c: Revert. * breakpoint.h: Revert. * breakpoint.c: Revert. * break-catch-throw.c: Revert. * break-catch-syscall.c: Revert. * break-catch-sig.c: Revert. * blockframe.c: Revert. * block.c: Revert. * bfin-tdep.c: Revert. * bfin-linux-tdep.c: Revert. * bfd-target.c: Revert. * bcache.c: Revert. * ax-general.c: Revert. * ax-gdb.h: Revert. * ax-gdb.c: Revert. * avr-tdep.c: Revert. * auxv.c: Revert. * auto-load.c: Revert. * arm-wince-tdep.c: Revert. * arm-tdep.c: Revert. * arm-symbian-tdep.c: Revert. * arm-pikeos-tdep.c: Revert. * arm-obsd-tdep.c: Revert. * arm-nbsd-tdep.c: Revert. * arm-nbsd-nat.c: Revert. * arm-linux-tdep.c: Revert. * arm-linux-nat.c: Revert. * arm-fbsd-tdep.c: Revert. * arm-fbsd-nat.c: Revert. * arm-bsd-tdep.c: Revert. * arch-utils.c: Revert. * arc-tdep.c: Revert. * arc-newlib-tdep.c: Revert. * annotate.h: Revert. * annotate.c: Revert. * amd64-windows-tdep.c: Revert. * amd64-windows-nat.c: Revert. * amd64-tdep.c: Revert. * amd64-sol2-tdep.c: Revert. * amd64-obsd-tdep.c: Revert. * amd64-obsd-nat.c: Revert. * amd64-nbsd-tdep.c: Revert. * amd64-nbsd-nat.c: Revert. * amd64-nat.c: Revert. * amd64-linux-tdep.c: Revert. * amd64-linux-nat.c: Revert. * amd64-fbsd-tdep.c: Revert. * amd64-fbsd-nat.c: Revert. * amd64-dicos-tdep.c: Revert. * amd64-darwin-tdep.c: Revert. * amd64-bsd-nat.c: Revert. * alpha-tdep.c: Revert. * alpha-obsd-tdep.c: Revert. * alpha-nbsd-tdep.c: Revert. * alpha-mdebug-tdep.c: Revert. * alpha-linux-tdep.c: Revert. * alpha-linux-nat.c: Revert. * alpha-bsd-tdep.c: Revert. * alpha-bsd-nat.c: Revert. * aix-thread.c: Revert. * agent.c: Revert. * addrmap.c: Revert. * ada-varobj.c: Revert. * ada-valprint.c: Revert. * ada-typeprint.c: Revert. * ada-tasks.c: Revert. * ada-lang.c: Revert. * aarch64-tdep.c: Revert. * aarch64-ravenscar-thread.c: Revert. * aarch64-newlib-tdep.c: Revert. * aarch64-linux-tdep.c: Revert. * aarch64-linux-nat.c: Revert. * aarch64-fbsd-tdep.c: Revert. * aarch64-fbsd-nat.c: Revert. * aarch32-linux-nat.c: Revert. |
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Tom Tromey
|
d55e5aa6b2 |
Sort includes for files gdb/[a-f]*.[chyl].
This patch sorts the include files for the files [a-f]*.[chyl]. The patch was written by a script. Tested by the buildbot. I will follow up with patches to sort the remaining files, by sorting a subset, testing them, and then checking them in. gdb/ChangeLog 2019-04-05 Tom Tromey <tom@tromey.com> * ft32-tdep.c: Sort headers. * frv-tdep.c: Sort headers. * frv-linux-tdep.c: Sort headers. * frame.c: Sort headers. * frame-unwind.c: Sort headers. * frame-base.c: Sort headers. * fork-child.c: Sort headers. * findvar.c: Sort headers. * findcmd.c: Sort headers. * filesystem.c: Sort headers. * filename-seen-cache.h: Sort headers. * filename-seen-cache.c: Sort headers. * fbsd-tdep.c: Sort headers. * fbsd-nat.h: Sort headers. * fbsd-nat.c: Sort headers. * f-valprint.c: Sort headers. * f-typeprint.c: Sort headers. * f-lang.c: Sort headers. * extension.h: Sort headers. * extension.c: Sort headers. * extension-priv.h: Sort headers. * expprint.c: Sort headers. * exec.h: Sort headers. * exec.c: Sort headers. * exceptions.c: Sort headers. * event-top.c: Sort headers. * event-loop.c: Sort headers. * eval.c: Sort headers. * elfread.c: Sort headers. * dwarf2read.h: Sort headers. * dwarf2read.c: Sort headers. * dwarf2loc.c: Sort headers. * dwarf2expr.h: Sort headers. * dwarf2expr.c: Sort headers. * dwarf2-frame.c: Sort headers. * dwarf2-frame-tailcall.c: Sort headers. * dwarf-index-write.h: Sort headers. * dwarf-index-write.c: Sort headers. * dwarf-index-common.c: Sort headers. * dwarf-index-cache.h: Sort headers. * dwarf-index-cache.c: Sort headers. * dummy-frame.c: Sort headers. * dtrace-probe.c: Sort headers. * disasm.h: Sort headers. * disasm.c: Sort headers. * disasm-selftests.c: Sort headers. * dictionary.c: Sort headers. * dicos-tdep.c: Sort headers. * demangle.c: Sort headers. * dcache.h: Sort headers. * dcache.c: Sort headers. * darwin-nat.h: Sort headers. * darwin-nat.c: Sort headers. * darwin-nat-info.c: Sort headers. * d-valprint.c: Sort headers. * d-namespace.c: Sort headers. * d-lang.c: Sort headers. * ctf.c: Sort headers. * csky-tdep.c: Sort headers. * csky-linux-tdep.c: Sort headers. * cris-tdep.c: Sort headers. * cris-linux-tdep.c: Sort headers. * cp-valprint.c: Sort headers. * cp-support.c: Sort headers. * cp-namespace.c: Sort headers. * cp-abi.c: Sort headers. * corelow.c: Sort headers. * corefile.c: Sort headers. * continuations.c: Sort headers. * completer.h: Sort headers. * completer.c: Sort headers. * complaints.c: Sort headers. * coffread.c: Sort headers. * coff-pe-read.c: Sort headers. * cli-out.h: Sort headers. * cli-out.c: Sort headers. * charset.c: Sort headers. * c-varobj.c: Sort headers. * c-valprint.c: Sort headers. * c-typeprint.c: Sort headers. * c-lang.c: Sort headers. * buildsym.c: Sort headers. * buildsym-legacy.c: Sort headers. * build-id.h: Sort headers. * build-id.c: Sort headers. * btrace.c: Sort headers. * bsd-uthread.c: Sort headers. * breakpoint.h: Sort headers. * breakpoint.c: Sort headers. * break-catch-throw.c: Sort headers. * break-catch-syscall.c: Sort headers. * break-catch-sig.c: Sort headers. * blockframe.c: Sort headers. * block.c: Sort headers. * bfin-tdep.c: Sort headers. * bfin-linux-tdep.c: Sort headers. * bfd-target.c: Sort headers. * bcache.c: Sort headers. * ax-general.c: Sort headers. * ax-gdb.h: Sort headers. * ax-gdb.c: Sort headers. * avr-tdep.c: Sort headers. * auxv.c: Sort headers. * auto-load.c: Sort headers. * arm-wince-tdep.c: Sort headers. * arm-tdep.c: Sort headers. * arm-symbian-tdep.c: Sort headers. * arm-pikeos-tdep.c: Sort headers. * arm-obsd-tdep.c: Sort headers. * arm-nbsd-tdep.c: Sort headers. * arm-nbsd-nat.c: Sort headers. * arm-linux-tdep.c: Sort headers. * arm-linux-nat.c: Sort headers. * arm-fbsd-tdep.c: Sort headers. * arm-fbsd-nat.c: Sort headers. * arm-bsd-tdep.c: Sort headers. * arch-utils.c: Sort headers. * arc-tdep.c: Sort headers. * arc-newlib-tdep.c: Sort headers. * annotate.h: Sort headers. * annotate.c: Sort headers. * amd64-windows-tdep.c: Sort headers. * amd64-windows-nat.c: Sort headers. * amd64-tdep.c: Sort headers. * amd64-sol2-tdep.c: Sort headers. * amd64-obsd-tdep.c: Sort headers. * amd64-obsd-nat.c: Sort headers. * amd64-nbsd-tdep.c: Sort headers. * amd64-nbsd-nat.c: Sort headers. * amd64-nat.c: Sort headers. * amd64-linux-tdep.c: Sort headers. * amd64-linux-nat.c: Sort headers. * amd64-fbsd-tdep.c: Sort headers. * amd64-fbsd-nat.c: Sort headers. * amd64-dicos-tdep.c: Sort headers. * amd64-darwin-tdep.c: Sort headers. * amd64-bsd-nat.c: Sort headers. * alpha-tdep.c: Sort headers. * alpha-obsd-tdep.c: Sort headers. * alpha-nbsd-tdep.c: Sort headers. * alpha-mdebug-tdep.c: Sort headers. * alpha-linux-tdep.c: Sort headers. * alpha-linux-nat.c: Sort headers. * alpha-bsd-tdep.c: Sort headers. * alpha-bsd-nat.c: Sort headers. * aix-thread.c: Sort headers. * agent.c: Sort headers. * addrmap.c: Sort headers. * ada-varobj.c: Sort headers. * ada-valprint.c: Sort headers. * ada-typeprint.c: Sort headers. * ada-tasks.c: Sort headers. * ada-lang.c: Sort headers. * aarch64-tdep.c: Sort headers. * aarch64-ravenscar-thread.c: Sort headers. * aarch64-newlib-tdep.c: Sort headers. * aarch64-linux-tdep.c: Sort headers. * aarch64-linux-nat.c: Sort headers. * aarch64-fbsd-tdep.c: Sort headers. * aarch64-fbsd-nat.c: Sort headers. * aarch32-linux-nat.c: Sort headers. |
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Joel Brobecker
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42a4f53d2b |
Update copyright year range in all GDB files.
This commit applies all changes made after running the gdb/copyright.py script. Note that one file was flagged by the script, due to an invalid copyright header (gdb/unittests/basic_string_view/element_access/char/empty.cc). As the file was copied from GCC's libstdc++-v3 testsuite, this commit leaves this file untouched for the time being; a patch to fix the header was sent to gcc-patches first. gdb/ChangeLog: Update copyright year range in all GDB files. |
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Maciej W. Rozycki
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471b9d1507 |
GDB PR tdep/8282: MIPS: Wire in `set disassembler-options'
Implement MIPS target support for passing options to the disassembler,
complementing commit
|
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Joel Brobecker
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e2882c8578 |
Update copyright year range in all GDB files
gdb/ChangeLog:
Update copyright year range in all GDB files
|
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Pedro Alves
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9a24775b97 |
Introduce gdb_disassembly_flags
For some reason I ended up staring at some of the "int flags" in btrace-related code, and I got confused because I had no clue what the flags where supposed to indicate. Fix that by using enum_flags, so that: #1 - it's clear from the type what the flags are about, and #2 - the compiler can catch mismatching mistakes gdb/ChangeLog: 2017-09-04 Pedro Alves <palves@redhat.com> * cli/cli-cmds.c (print_disassembly, disassemble_current_function) (disassemble_command): Use gdb_disassembly_flags instead of bare int. * disasm.c (gdb_pretty_print_disassembler::pretty_print_insn) (dump_insns, do_mixed_source_and_assembly_deprecated) (do_mixed_source_and_assembly, do_assembly_only, gdb_disassembly): Use gdb_disassembly_flags instead of bare int. * disasm.h (DISASSEMBLY_SOURCE_DEPRECATED, DISASSEMBLY_RAW_INSN) (DISASSEMBLY_OMIT_FNAME, DISASSEMBLY_FILENAME) (DISASSEMBLY_OMIT_PC, DISASSEMBLY_SOURCE) (DISASSEMBLY_SPECULATIVE): No longer macros. Instead they're... (enum gdb_disassembly_flag): ... values of this new enumeration. (gdb_disassembly_flags): Define. (gdb_disassembly) (gdb_pretty_print_disassembler::pretty_print_insn): Use it. * mi/mi-cmd-disas.c (mi_cmd_disassemble): Use gdb_disassembly_flags instead of bare int. * record-btrace.c (btrace_insn_history) (record_btrace_insn_history, record_btrace_insn_history_range) (record_btrace_insn_history_from): Use gdb_disassembly_flags instead of bare int. * record.c (get_insn_history_modifiers, cmd_record_insn_history): Use gdb_disassembly_flags instead of bare int. * target-debug.h (target_debug_print_gdb_disassembly_flags): Define. * target-delegates.c: Regenerate. * target.c (target_insn_history, target_insn_history_from) (target_insn_history_range): Use gdb_disassembly_flags instead of bare int. * target.h: Include "disasm.h". (struct target_ops) <to_insn_history, to_insn_history_from, to_insn_history_range>: Use gdb_disassembly_flags instead of bare int. (target_insn_history, target_insn_history_from) (target_insn_history_range): Use gdb_disassembly_flags instead of bare int. |
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Peter Bergner
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65b48a8140 |
GDB: Add support for the new set/show disassembler-options commands.
This commit adds support to GDB so that it can modify the disassembler-options value that is passed to the disassembler, similar to objdump's -M option. Currently, the only supported targets are ARM, PowerPC and S/390, but adding support for a new target(s) is not difficult. include/ * dis-asm.h (disasm_options_t): New typedef. (parse_arm_disassembler_option): Remove prototype. (set_arm_regname_option): Likewise. (get_arm_regnames): Likewise. (get_arm_regname_num_options): Likewise. (disassemble_init_s390): New prototype. (disassembler_options_powerpc): Likewise. (disassembler_options_arm): Likewise. (disassembler_options_s390): Likewise. (remove_whitespace_and_extra_commas): Likewise. (disassembler_options_cmp): Likewise. (next_disassembler_option): New inline function. (FOR_EACH_DISASSEMBLER_OPTION): New macro. opcodes/ * disassemble.c Include "safe-ctype.h". (disassemble_init_for_target): Handle s390 init. (remove_whitespace_and_extra_commas): New function. (disassembler_options_cmp): Likewise. * arm-dis.c: Include "libiberty.h". (NUM_ELEM): Delete. (regnames): Use long disassembler style names. Add force-thumb and no-force-thumb options. (NUM_ARM_REGNAMES): Rename from this... (NUM_ARM_OPTIONS): ...to this. Use ARRAY_SIZE. (get_arm_regname_num_options): Delete. (set_arm_regname_option): Likewise. (get_arm_regnames): Likewise. (parse_disassembler_options): Likewise. (parse_arm_disassembler_option): Rename from this... (parse_arm_disassembler_options): ...to this. Make static. Use new FOR_EACH_DISASSEMBLER_OPTION macro to scan over options. (print_insn): Use parse_arm_disassembler_options. (disassembler_options_arm): New function. (print_arm_disassembler_options): Handle updated regnames. * ppc-dis.c: Include "libiberty.h". (ppc_opts): Add "32" and "64" entries. (ppc_parse_cpu): Use ARRAY_SIZE and disassembler_options_cmp. (powerpc_init_dialect): Add break to switch statement. Use new FOR_EACH_DISASSEMBLER_OPTION macro. (disassembler_options_powerpc): New function. (print_ppc_disassembler_options): Use ARRAY_SIZE. Remove printing of "32" and "64". * s390-dis.c: Include "libiberty.h". (init_flag): Remove unneeded variable. (struct s390_options_t): New structure type. (options): New structure. (init_disasm): Rename from this... (disassemble_init_s390): ...to this. Add initializations for current_arch_mask and option_use_insn_len_bits_p. Remove init_flag. (print_insn_s390): Delete call to init_disasm. (disassembler_options_s390): New function. (print_s390_disassembler_options): Print using information from struct 'options'. * po/opcodes.pot: Regenerate. binutils/ * objdump.c (main): Use remove_whitespace_and_extra_commas. gdb/ * NEWS: Mention new set/show disassembler-options commands. * doc/gdb.texinfo: Document new set/show disassembler-options commands. * disasm.c: Include "arch-utils.h", "gdbcmd.h" and "safe-ctype.h". (prospective_options): New static variable. (gdb_disassembler::gdb_disassembler): Initialize m_di.disassembler_options. (gdb_buffered_insn_length_init_dis): Initilize di->disassembler_options. (get_disassembler_options): New function. (set_disassembler_options): Likewise. (set_disassembler_options_sfunc): Likewise. (show_disassembler_options_sfunc): Likewise. (disassembler_options_completer): Likewise. (_initialize_disasm): Likewise. * disasm.h (get_disassembler_options): New prototype. (set_disassembler_options): Likewise. * gdbarch.sh (gdbarch_disassembler_options): New variable. (gdbarch_verify_disassembler_options): Likewise. * gdbarch.c: Regenerate. * gdbarch.h: Likewise. * arm-tdep.c (num_disassembly_options): Delete. (set_disassembly_style): Likewise. (arm_disassembler_options): New static variable. (set_disassembly_style_sfunc): Convert short style name into long option name. Call set_disassembler_options. (show_disassembly_style_sfunc): New function. (arm_gdbarch_init): Call set_gdbarch_disassembler_options and set_gdbarch_verify_disassembler_options. (_initialize_arm_tdep): Delete regnames variable and update callers. (arm_disassembler_options): Initialize. (disasm_options): New variable. (num_disassembly_options): Rename from this... (num_disassembly_styles): ...to this. Compute by scanning through disasm_options. (valid_disassembly_styles): Initialize using disasm_options. Remove calls to parse_arm_disassembler_option, get_arm_regnames and set_arm_regname_option. Pass show_disassembly_style_sfunc to the "disassembler" setshow command. * rs6000-tdep.c (powerpc_disassembler_options): New static variable. (rs6000_gdbarch_init): Call set_gdbarch_disassembler_options and set_gdbarch_verify_disassembler_options. * s390-tdep.c (s390_disassembler_options): New static variable. (s390_gdbarch_init):all set_gdbarch_disassembler_options and set_gdbarch_verify_disassembler_options. gdb/testsuite/ * gdb.arch/powerpc-power.exp: Delete test. * gdb.arch/powerpc-power.s: Likewise. * gdb.disasm/disassembler-options.exp: New test. * gdb.arch/powerpc-altivec.exp: Likewise. * gdb.arch/powerpc-altivec.s: Likewise. * gdb.arch/powerpc-altivec2.exp: Likewise. * gdb.arch/powerpc-altivec2.s: Likewise. * gdb.arch/powerpc-altivec3.exp: Likewise. * gdb.arch/powerpc-altivec3.s: Likewise. * gdb.arch/powerpc-power7.exp: Likewise. * gdb.arch/powerpc-power7.s: Likewise. * gdb.arch/powerpc-power8.exp: Likewise. * gdb.arch/powerpc-power8.s: Likewise. * gdb.arch/powerpc-power9.exp: Likewise. * gdb.arch/powerpc-power9.s: Likewise. * gdb.arch/powerpc-vsx.exp: Likewise. * gdb.arch/powerpc-vsx.s: Likewise. * gdb.arch/powerpc-vsx2.exp: Likewise. * gdb.arch/powerpc-vsx2.s: Likewise. * gdb.arch/powerpc-vsx3.exp: Likewise. * gdb.arch/powerpc-vsx3.s: Likewise. * gdb.arch/arm-disassembler-options.exp: Likewise. * gdb.arch/powerpc-disassembler-options.exp: Likewise. * gdb.arch/s390-disassembler-options.exp: Likewise. |
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Pedro Alves
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c99cc448c8 |
Tweak pretty_print_disassembler's intro comment
gdb/ChangeLog: 2017-02-02 Pedro Alves <palves@redhat.com> * disasm.h (gdb_pretty_print_disassembler): Tweak intro comment. |
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Pedro Alves
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8b172ce7c9 |
Reuse buffers across gdb_pretty_print_insn calls
gdb_pretty_print_insn allocates and destroys a couple local buffers each time it is called, which can be many times when disassembling a region of memory. Avoid that overhead by adding a new class that holds the buffers and making gdb_pretty_print_insn a method of that class, so that the buffers can be reused across calls. gdb/ChangeLog: 2017-02-02 Pedro Alves <palves@redhat.com> * disasm.c (gdb_pretty_print_insn): Rename to ... (gdb_pretty_print_disassembler::pretty_print_insn): ... this. Remove gdbarch parameter. Adapt to clear the object's buffers instead of allocating new buffers, and to print using the object's gdb_disassembler instead of calling gdb_print_insn. (dump_insns): Use gdb_pretty_print_disassembler. * disasm.h (gdb_pretty_print_insn): Delete declaration. (gdb_pretty_print_disassembler): New class. * record-btrace.c (btrace_insn_history): Use gdb_pretty_print_disassembler. |
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Pedro Alves
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187808b04f |
Add back gdb_pretty_print_insn
ui_file_rewind is a ui_file method that only really works with mem buffer files, and is a nop on other ui_file types. It'd be desirable to eliminate it from the base ui_file interface, and move it to the "mem_fileopen" subclass of ui_file instead. A following patch does just that. Unfortunately, there are a couple references to ui_file_rewind inside gdb_disassembler::pretty_print_insn that were made harder to eliminate with the recent addition of the gdb_disassembler wrapper. Before the gdb_disassembler wrapper was added, in commit |
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Simon Marchi
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7a8eb317c5 |
Remove unused file_string parameter in gdb_disassembly
The file_string parameter was added in
|
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Yao Qi
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d8b49cf0c8 |
Don't throw exception in dis_asm_memory_error
Hi,
GDB calls some APIs from opcodes to do disassembly and provide some
call backs. This model makes troubles on C++ exception unwinding,
because GDB is a C++ program, and opcodes is still compiled as C.
As we can see, frame #10 and #12 are C++, while #frame 11 is C,
#10 0x0000000000544228 in memory_error (err=TARGET_XFER_E_IO, memaddr=<optimized out>) at ../../binutils-gdb/gdb/corefile.c:237
#11 0x00000000006b0a54 in print_insn_aarch64 (pc=0, info=0xffffffffeeb0) at ../../binutils-gdb/opcodes/aarch64-dis.c:3185
#12 0x0000000000553590 in gdb_pretty_print_insn (gdbarch=gdbarch@entry=0xbbceb0, uiout=uiout@entry=0xbc73d0, di=di@entry=0xffffffffeeb0,
insn=0xffffffffed40, insn@entry=0xffffffffed90, flags=flags@entry=0,
C++ exception unwinder can't go across frame #11 unless it has
unwind table. However, C program on many architectures doesn't
have it in default. As a result, GDB aborts, which is described
in PR 20939.
This is not the first time we see this kind of problem. We've
had a commit
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Yao Qi
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e47ad6c0bd |
Refactor disassembly code
This patch addes class gdb_disassembler, and refactor code to use it. The gdb_disassembler object is saved in disassember_info.application_data. However, disassember_info.application_data is already used by gdb for arm, mips spu, and scm-disasm. In arm and mips, .application_data is gdbarch, but we can still get gdbarch from gdb_disassember. The use of application_data in spu is a little bit complicated. It creates its own disassemble_info, and save spu_dis_asm_data in .application_data. This will overwrite the pointer to gdb_disassembler, so we need to find another place to save spu_dis_asm_data. I extend disassemble_info, and put "id" there. gdb: 2017-01-26 Pedro Alves <palves@redhat.com> Yao Qi <yao.qi@linaro.org> * arm-tdep.c: Include "disasm.h". (gdb_print_insn_arm): Update code to get gdbarch. * disasm.c (dis_asm_read_memory): Change it to gdb_disassembler::dis_asm_read_memory. (dis_asm_memory_error): Likewise. (dis_asm_print_address): Likewise. (gdb_pretty_print_insn): Change it to gdb_disassembler::pretty_print_insn. (dump_insns): Add one argument gdb_disassemlber. All callers updated. (do_mixed_source_and_assembly_deprecated): Likewise. (do_mixed_source_and_assembly): Likewise. (do_assembly_only): Likewise. (gdb_disassembler::gdb_disassembler): New. (gdb_disassembler::print_insn): New. * disasm.h (class gdb_disassembler): New. (gdb_pretty_print_insn): Remove declaration. (gdb_disassemble_info): Likewise. * guile/scm-disasm.c (class gdbscm_disassembler): New. (gdbscm_disasm_read_memory_worker): Update. (gdbscm_disasm_read_memory): Update. (gdbscm_disasm_memory_error): Remove. (gdbscm_disasm_print_address): Remove. (gdbscm_disassembler::gdbscm_disassembler): New. (gdbscm_print_insn_from_port): Update. * mips-tdep.c: Include disasm.h. (gdb_print_insn_mips): Update code to get gdbarch. * record-btrace.c (btrace_insn_history): Update. * spu-tdep.c: Include disasm.h. (struct spu_dis_asm_data): Remove. (struct spu_dis_asm_info): New. (spu_dis_asm_print_address): Use spu_dis_asm_info to get SPU id. (gdb_print_insn_spu): Cast disassemble_info to spu_dis_asm_info. |
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Joel Brobecker
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61baf725ec |
update copyright year range in GDB files
This applies the second part of GDB's End of Year Procedure, which
updates the copyright year range in all of GDB's files.
gdb/ChangeLog:
Update copyright year range in all GDB files.
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Joel Brobecker
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618f726fcb |
GDB copyright headers update after running GDB's copyright.py script.
gdb/ChangeLog:
Update year range in copyright notice of all files.
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Markus Metzger
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a50a402676 |
disasm: add struct disasm_insn to describe to-be-disassembled instruction
The "record instruction-history" command prints for each instruction in
addition to the instruction's disassembly:
- the instruction number in the recorded execution trace
- a '?' before the instruction if it was executed speculatively
To allow the "record instruction-history" command to use GDB's disassembly
infrastructure, we extend gdb_pretty_print_insn to optionally print those
additional fields and export the function.
Add a new struct disasm_insn to add additional fields describing the
to-be-disassembled instruction. The additional fields are:
number an optional instruction number, zero if omitted.
is_speculative a predicate saying whether the instruction was
executed speculatively.
If non-zero, the instruction number is printed first. It will also appear
as a new optional field "insn-number" in MI. The field will be present if
insn_num is non-zero.
If is_speculative is set, speculative execution will be indicated by a "?"
following the new instruction number field. Unless the PC is omitted, it
will overwrite the first byte of the PC prefix. It will appear as a new
optional field "is-speculative" in MI. The field will contain "?" and will
be present if is_speculative is set.
The speculative execution indication is guarded by a new flag
DISASSEMBLY_SPECULATION.
Replace the PC parameter of gdb_pretty_print_insn with a pointer to the above
struct. GDB's "disassemble" command does not use the new fields.
gdb/
* disasm.h (DISASSEMBLY_SPECULATION): New.
(struct disasm_insn): New.
(gdb_pretty_print_insn): New.
* disasm.c (gdb_pretty_print_insn): Replace parameter PC with INSN.
Update users. Print instruction number and indicate speculative
execution, if requested.
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Doug Evans
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6ff0ba5f7b |
New /s modifier for the disassemble command.
The "source centric" /m option to the disassemble command is often unhelpful, e.g., in the presence of optimized code. This patch adds a /s modifier that is better. For one, /m only prints instructions from the originating source file, leaving out instructions from e.g., inlined functions from other files. gdb/ChangeLog: PR gdb/11833 * NEWS: Document new /s modifier for the disassemble command. * cli/cli-cmds.c (disassemble_command): Add support for /s. (_initialize_cli_cmds): Update online docs of disassemble command. * disasm.c: #include "source.h". (struct deprecated_dis_line_entry): Renamed from dis_line_entry. All uses updated. (dis_line_entry): New struct. (hash_dis_line_entry, eq_dis_line_entry): New functions. (allocate_dis_line_table): New functions. (maybe_add_dis_line_entry, line_has_code_p): New functions. (dump_insns): New arg end_pc. All callers updated. (do_mixed_source_and_assembly_deprecated): Renamed from do_mixed_source_and_assembly. All callers updated. (do_mixed_source_and_assembly): New function. (gdb_disassembly): Handle /s (DISASSEMBLY_SOURCE). * disasm.h (DISASSEMBLY_SOURCE_DEPRECATED): Renamed from DISASSEMBLY_SOURCE. All uses updated. (DISASSEMBLY_SOURCE): New macro. * mi/mi-cmd-disas.c (mi_cmd_disassemble): New modes 4,5. gdb/doc/ChangeLog: * gdb.texinfo (Machine Code): Update docs for mixed source/assembly disassembly. (GDB/MI Data Manipulation): Update docs for new disassembly modes. gdb/testsuite/ChangeLog: * gdb.mi/mi-disassemble.exp: Update. * gdb.base/disasm-optim.S: New file. * gdb.base/disasm-optim.c: New file. * gdb.base/disasm-optim.h: New file. * gdb.base/disasm-optim.exp: New file. |
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Joel Brobecker
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32d0add0a6 |
Update year range in copyright notice of all files owned by the GDB project.
gdb/ChangeLog:
Update year range in copyright notice of all files.
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Doug Evans
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ed3ef33944 |
Add Guile as an extension language.
* NEWS: Mention Guile scripting. * Makefile.in (SUBDIR_GUILE_OBS): New variable. (SUBDIR_GUILE_SRCS, SUBDIR_GUILE_DEPS): New variables (SUBDIR_GUILE_LDFLAGS, SUBDIR_GUILE_CFLAGS): New variables. (INTERNAL_CPPFLAGS): Add GUILE_CPPFLAGS. (CLIBS): Add GUILE_LIBS. (install-guile): New rule. (guile.o): New rule. (scm-arch.o, scm-auto-load.o, scm-block.o): New rules. (scm-breakpoint.o, scm-disasm.o, scm-exception.o): New rules. (scm-frame.o, scm-iterator.o, scm-lazy-string.o): New rules. (scm-math.o, scm-objfile.o, scm-ports.o): New rules. (scm-pretty-print.o, scm-safe-call.o, scm-gsmob.o): New rules. (scm-string.o, scm-symbol.o, scm-symtab.o): New rules. (scm-type.o, scm-utils.o, scm-value.o): New rules. * configure.ac: New option --with-guile. * configure: Regenerate. * config.in: Regenerate. * auto-load.c: Remove #include "python/python.h". Add #include "gdb/section-scripts.h". (source_section_scripts): Handle Guile scripts. (_initialize_auto_load): Add name of Guile objfile script to scripts-directory help text. * breakpoint.c (condition_command): Tweak comment to include Scheme. * breakpoint.h (gdbscm_breakpoint_object): Add forward decl. (struct breakpoint): New member scm_bp_object. * defs.h (enum command_control_type): New value guile_control. * cli/cli-cmds.c: Remove #include "python/python.h". Add #include "extension.h". (show_user): Update comment. (_initialize_cli_cmds): Update help text for "show user". Update help text for max-user-call-depth. * cli/cli-script.c: Remove #include "python/python.h". Add #include "extension.h". (multi_line_command_p): Add guile_control. (print_command_lines): Handle guile_control. (execute_control_command, recurse_read_control_structure): Ditto. (process_next_line): Recognize "guile" commands. * disasm.c (gdb_disassemble_info): Make non-static. * disasm.h: #include "dis-asm.h". (struct gdbarch): Add forward decl. (gdb_disassemble_info): Declare. * extension.c: #include "guile/guile.h". (extension_languages): Add guile. (get_ext_lang_defn): Handle EXT_LANG_GDB. * extension.h (enum extension_language): New value EXT_LANG_GUILE. * gdbtypes.c (get_unsigned_type_max): New function. (get_signed_type_minmax): New function. * gdbtypes.h (get_unsigned_type_max): Declare. (get_signed_type_minmax): Declare. * guile/README: New file. * guile/guile-internal.h: New file. * guile/guile.c: New file. * guile/guile.h: New file. * guile/scm-arch.c: New file. * guile/scm-auto-load.c: New file. * guile/scm-block.c: New file. * guile/scm-breakpoint.c: New file. * guile/scm-disasm.c: New file. * guile/scm-exception.c: New file. * guile/scm-frame.c: New file. * guile/scm-gsmob.c: New file. * guile/scm-iterator.c: New file. * guile/scm-lazy-string.c: New file. * guile/scm-math.c: New file. * guile/scm-objfile.c: New file. * guile/scm-ports.c: New file. * guile/scm-pretty-print.c: New file. * guile/scm-safe-call.c: New file. * guile/scm-string.c: New file. * guile/scm-symbol.c: New file. * guile/scm-symtab.c: New file. * guile/scm-type.c: New file. * guile/scm-utils.c: New file. * guile/scm-value.c: New file. * guile/lib/gdb.scm: New file. * guile/lib/gdb/boot.scm: New file. * guile/lib/gdb/experimental.scm: New file. * guile/lib/gdb/init.scm: New file. * guile/lib/gdb/iterator.scm: New file. * guile/lib/gdb/printing.scm: New file. * guile/lib/gdb/types.scm: New file. * data-directory/Makefile.in (GUILE_SRCDIR): New variable. (VPATH): Add $(GUILE_SRCDIR). (GUILE_DIR): New variable. (GUILE_INSTALL_DIR, GUILE_FILES): New variables. (all): Add stamp-guile dependency. (stamp-guile): New rule. (clean-guile, install-guile, uninstall-guile): New rules. (install-only): Add install-guile dependency. (uninstall): Add uninstall-guile dependency. (clean): Add clean-guile dependency. doc/ * Makefile.in (GDB_DOC_FILES): Add guile.texi. * gdb.texinfo (Auto-loading): Add set/show auto-load guile-scripts. (Extending GDB): New menu entries Guile, Multiple Extension Languages. (Guile docs): Include guile.texi. (objfile-gdbdotext file): Add objfile-gdb.scm. (dotdebug_gdb_scripts section): Mention Guile scripts. (Multiple Extension Languages): New node. * guile.texi: New file. testsuite/ * configure.ac (AC_OUTPUT): Add gdb.guile. * configure: Regenerate. * lib/gdb-guile.exp: New file. * lib/gdb.exp (get_target_charset): New function. * gdb.base/help.exp: Update expected output from "apropos apropos". * gdb.guile/Makefile.in: New file. * gdb.guile/guile.exp: New file. * gdb.guile/scm-arch.c: New file. * gdb.guile/scm-arch.exp: New file. * gdb.guile/scm-block.c: New file. * gdb.guile/scm-block.exp: New file. * gdb.guile/scm-breakpoint.c: New file. * gdb.guile/scm-breakpoint.exp: New file. * gdb.guile/scm-disasm.c: New file. * gdb.guile/scm-disasm.exp: New file. * gdb.guile/scm-equal.c: New file. * gdb.guile/scm-equal.exp: New file. * gdb.guile/scm-error.exp: New file. * gdb.guile/scm-error.scm: New file. * gdb.guile/scm-frame-args.c: New file. * gdb.guile/scm-frame-args.exp: New file. * gdb.guile/scm-frame-args.scm: New file. * gdb.guile/scm-frame-inline.c: New file. * gdb.guile/scm-frame-inline.exp: New file. * gdb.guile/scm-frame.c: New file. * gdb.guile/scm-frame.exp: New file. * gdb.guile/scm-generics.exp: New file. * gdb.guile/scm-gsmob.exp: New file. * gdb.guile/scm-iterator.c: New file. * gdb.guile/scm-iterator.exp: New file. * gdb.guile/scm-math.c: New file. * gdb.guile/scm-math.exp: New file. * gdb.guile/scm-objfile-script-gdb.in: New file. * gdb.guile/scm-objfile-script.c: New file. * gdb.guile/scm-objfile-script.exp: New file. * gdb.guile/scm-objfile.c: New file. * gdb.guile/scm-objfile.exp: New file. * gdb.guile/scm-ports.exp: New file. * gdb.guile/scm-pretty-print.c: New file. * gdb.guile/scm-pretty-print.exp: New file. * gdb.guile/scm-pretty-print.scm: New file. * gdb.guile/scm-section-script.c: New file. * gdb.guile/scm-section-script.exp: New file. * gdb.guile/scm-section-script.scm: New file. * gdb.guile/scm-symbol.c: New file. * gdb.guile/scm-symbol.exp: New file. * gdb.guile/scm-symtab-2.c: New file. * gdb.guile/scm-symtab.c: New file. * gdb.guile/scm-symtab.exp: New file. * gdb.guile/scm-type.c: New file. * gdb.guile/scm-type.exp: New file. * gdb.guile/scm-value-cc.cc: New file. * gdb.guile/scm-value-cc.exp: New file. * gdb.guile/scm-value.c: New file. * gdb.guile/scm-value.exp: New file. * gdb.guile/source2.scm: New file. * gdb.guile/types-module.cc: New file. * gdb.guile/types-module.exp: New file. |
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Joel Brobecker
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ecd75fc8ee | Update Copyright year range in all files maintained by GDB. |