| Commit message (Collapse) | Author | Age | Files | Lines |
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Fixed an issue with the options for memory read where --count couldn't be used
with the --binary option when writing data to a file.
Also removed the GDB format option from the --binary version of memory read.
llvm-svn: 145067
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previous address only by the number of bytes consumed by the disassembly:
(lldb) x/4i 0x0000000100000ea9
0x100000ea9: 66 c7 45 fa 10 00 movw $16, -6(%rbp)
0x100000eaf: c7 45 f4 20 00 00 00 movl $32, -12(%rbp)
0x100000eb6: e8 47 00 00 00 callq 0x0000000100000f02 ; void f<nullptr_t>(nullptr_t)
0x100000ebb: 8b 45 fc movl -4(%rbp), %eax
(lldb)
0x100000ebe: 48 83 c4 10 addq $16, %rsp
0x100000ec2: 5d popq %rbp
0x100000ec3: c3 ret
0x100000ec4: 90 nop
(lldb)
0x100000ec5: 90 nop
0x100000ec6: 90 nop
0x100000ec7: 90 nop
0x100000ec8: 90 nop
(lldb)
0x100000ec9: 90 nop
0x100000eca: 90 nop
0x100000ecb: 90 nop
0x100000ecc: 90 nop
(lldb)
0x100000ecd: 90 nop
0x100000ece: 90 nop
0x100000ecf: 90 nop
0x100000ed0: 55 pushq %rbp
llvm-svn: 143254
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in the same hashed format as the ".apple_names", but they map objective C
class names to all of the methods and class functions. We need to do this
because in the DWARF the methods for Objective C are never contained in the
class definition, they are scattered about at the translation unit level and
they don't even have attributes that say the are contained within the class
itself.
Added 3 new formats which can be used to display data:
eFormatAddressInfo
eFormatHexFloat
eFormatInstruction
eFormatAddressInfo describes an address such as function+offset and file+line,
or symbol + offset, or constant data (c string, 2, 4, 8, or 16 byte constants).
The format character for this is "A", the long format is "address".
eFormatHexFloat will print out the hex float format that compilers tend to use.
The format character for this is "X", the long format is "hex float".
eFormatInstruction will print out disassembly with bytes and it will use the
current target's architecture. The format character for this is "i" (which
used to be being used for the integer format, but the integer format also has
"d", so we gave the "i" format to disassembly), the long format is
"instruction".
Mate the lldb::FormatterChoiceCriterion enumeration private as it should have
been from the start. It is very specialized and doesn't belong in the public
API.
llvm-svn: 143114
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properly marked as valid.
Also modified the "memory read" command to be able to intelligently repeat
subsequent memory requests, so now you can do:
(lldb) memory read --format hex --count 32 0x1000
Then hit enter to keep viewing the memory that follows the last valid request.
llvm-svn: 143015
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lldb_private::Error objects the rules are:
- short strings that don't start with a capitol letter unless the name is a
class or anything else that is always capitolized
- no trailing newline character
- should be one line if possible
Implemented a first pass at adding "--gdb-format" support to anything that
accepts format with optional size/count.
llvm-svn: 142999
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OptionGroupFormat. Updated OptionGroupFormat to be able to also use the
"--size" and "--count" options. Commands that use a OptionGroupFormat instance
can choose which of the options they want by initializing OptionGroupFormat
accordingly. Clients can either get only the "--format", "--format" + "--size",
or "--format" + "--size" + "--count". This is in preparation for upcoming
chnages where there are alternate ways (GDB format specification) to set a
format.
llvm-svn: 142911
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core Module functions that the expression parser
will soon be using.
llvm-svn: 141766
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shared pointers.
Changed the ExecutionContext over to use shared pointers for
the target, process, thread and frame since these objects can
easily go away at any time and any object that was holding onto
an ExecutionContext was running the risk of using a bad object.
Now that the shared pointers for target, process, thread and
frame are just a single pointer (they all use the instrusive
shared pointers) the execution context is much safer and still
the same size.
Made the shared pointers in the the ExecutionContext class protected
and made accessors for all of the various ways to get at the pointers,
references, and shared pointers.
llvm-svn: 140298
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stdarg formats to use __attribute__ format so the compiler can flag
incorrect uses. Fix all incorrect uses. Most of these are innocuous,
a few were resulting in crashes.
llvm-svn: 140185
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*New setting target.max-children-count gives an upper-bound to the number of child objects that will be displayed at each depth-level
This might be a breaking change in some scenarios. To override the new limit you can use the --show-all-children (-A) option
to frame variable or increase the limit in your lldbinit file
*Command "type synthetic" has been split in two:
- "type synthetic" now only handles Python synthetic children providers
- the new command "type filter" handles filters
Because filters and synthetic providers are both ways to replace the children of a ValueObject, only one can be effective at any given time.
llvm-svn: 137416
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@"Hello" instead of "Hello")
new --raw-output (-R) option to frame variable prevents using summaries and synthetic children
other future formatting enhancements will be excluded by using the -R option
test case enhanced to check that -R works correctly
llvm-svn: 137185
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indicate that you want the summary to be used to print the target object
(e.g. ${var%S}). this might already be the default if your variable is of an aggregate type
new feature: synthetic filters. you can restrict the number of children for your variables to only a meaningful subset
- the restricted list of children obeys the typical rules (e.g. summaries prevail over children)
- one-line summaries show only the filtered (synthetic) children, if you type an expanded summary string, or you use Python scripts, all the real children are accessible
- to provide a synthetic children list use the "type synth add" command, as in:
type synth add foo_type --child varA --child varB[0] --child varC->packet->flags[1-4]
(you can use ., ->, single-item array operator [N] and bitfield operator [N-M]; array slice access is not supported, giving simplified names to expression paths is not supported)
- a new -S option to frame variable and target variable lets you override synthetic children and instead show real ones
llvm-svn: 135731
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- help type summary add now gives some hints on how to use it
frame variable and target variable now have a --no-summary-depth (-Y) option:
- simply using -Y without an argument will skip one level of summaries, i.e.
your aggregate types will expand their children and display no summary, even
if they have one. children will behave normally
- using -Y<int>, as in -Y4, -Y7, ..., will skip as many levels of summaries as
given by the <int> parameter (obviously, -Y and -Y1 are the same thing). children
beneath the given depth level will behave normally
-Y0 is the same as omitting the --no-summary-depth parameter entirely
This option replaces the defined-but-unimplemented --no-summary
llvm-svn: 135336
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llvm-svn: 134780
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variables prior to running your binary. Zero filled sections now get
section data correctly filled with zeroes when Target::ReadMemory
reads from the object file section data.
Added new option groups and option values for file lists. I still need
to hook up all of the options to "target variable" to allow more complete
introspection by file and shlib.
Added the ability for ValueObjectVariable objects to be created with
only the target as the execution context. This allows them to be read
from the object files through Target::ReadMemory(...).
Added a "virtual Module * GetModule()" function to the ValueObject
class. By default it will look to the parent variable object and
return its module. The module is needed when we have global variables
that have file addresses (virtual addresses that are specific to
module object files) and in turn allows global variables to be displayed
prior to running.
Removed all of the unused proxy object support that bit rotted in
lldb_private::Value.
Replaced a lot of places that used "FileSpec::Compare (lhs, rhs) == 0" code
with the more efficient "FileSpec::Equal (lhs, rhs)".
Improved logging in GDB remote plug-in.
llvm-svn: 134579
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the FormatManager class. Modified the format arguments in any commands to be
able to use a single character format, or a full format name, or a partial
format name if no full format names match.
Modified any code that was displaying formats to use the new FormatManager
calls so that our help text and errors never get out of date.
Modified the display of the "type format list" command to be a bit more
human readable by showing the format as a format string rather than the single
character format char.
llvm-svn: 133765
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This us useful because sometomes you have to show a single character as: 'a'
(using eFormatChar) and other times you might have an array of single
charcters for display as: 'a' 'b' 'c', and other times you might want to
show the contents of buffer of characters that can contain non printable
chars: "\0\x22\n123".
This also fixes an issue that currently happens when you have a single character
C string (const char *a = "a"; or char b[1] = { 'b' };) that was being output
as "'a'" incorrectly due to the way the eFormatChar format output worked.
llvm-svn: 133316
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OptionGroupVariableObjectDisplay).
Change the boolean "use_dynamic" over to a tri-state, no-dynamic, dynamic-w/o running target,
and dynamic with running target.
llvm-svn: 130832
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depth control, pointer depth, and more) when dumping memory and viewing as
a type.
llvm-svn: 130436
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new OptionGroup subclasses for:
- output file for use with options:
long opts: --outfile <path> --append--output
short opts: -o <path> -A
- format for use with options:
long opts: --format <format>
- variable object display controls for depth, pointer depth, wether to show
types, show summary, show location, flat output, use objc "po" style summary.
Modified ValueObjectMemory to be able to be created either with a TypeSP or
a ClangASTType.
Switched "memory read" over to use OptionGroup subclasses: one for the outfile
options, one for the command specific options, and one for the format.
llvm-svn: 130334
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lldb_private::OptionGroup
lldb_private::OptionGroupOptions
OptionGroup lets you define a class that encapsulates settings that you want
to reuse in multiple commands. It contains only the option definitions and the
ability to set the option values, but it doesn't directly interface with the
lldb_private::Options class that is the front end to all of the CommandObject
option parsing. For that the OptionGroupOptions class can be used. It aggregates
one or more OptionGroup objects and directs the option setting to the
appropriate OptionGroup class. For an example of this, take a look at the
CommandObjectFile and how it uses its "m_option_group" object shown below
to be able to set values in both the FileOptionGroup and PlatformOptionGroup
classes. The members used in CommandObjectFile are:
OptionGroupOptions m_option_group;
FileOptionGroup m_file_options;
PlatformOptionGroup m_platform_options;
Then in the constructor for CommandObjectFile you can combine the option
settings. The code below shows a simplified version of the constructor:
CommandObjectFile::CommandObjectFile(CommandInterpreter &interpreter) :
CommandObject (...),
m_option_group (interpreter),
m_file_options (),
m_platform_options(true)
{
m_option_group.Append (&m_file_options);
m_option_group.Append (&m_platform_options);
m_option_group.Finalize();
}
We append the m_file_options and then the m_platform_options and then tell
the option group the finalize the results. This allows the m_option_group to
become the organizer of our prefs and after option parsing we end up with
valid preference settings in both the m_file_options and m_platform_options
objects. This also allows any other commands to use the FileOptionGroup and
PlatformOptionGroup classes to implement options for their commands.
Renamed:
virtual void Options::ResetOptionValues();
to:
virtual void Options::OptionParsingStarting();
And implemented a new callback named:
virtual Error Options::OptionParsingFinished();
This allows Options subclasses to verify that the options all go together
after all of the options have been specified and gives the chance for the
command object to return an error. It also gives a chance to take all of the
option values and produce or initialize objects after all options have
completed parsing.
Modfied:
virtual Error
SetOptionValue (int option_idx, const char *option_arg) = 0;
to be:
virtual Error
SetOptionValue (uint32_t option_idx, const char *option_arg) = 0;
(option_idx is now unsigned).
llvm-svn: 129415
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the CommandInterpreter where it was always being used.
Make sure that Modules can track their object file offsets correctly to
allow opening of sub object files (like the "__commpage" on darwin).
Modified the Platforms to be able to launch processes. The first part of this
move is the platform soon will become the entity that launches your program
and when it does, it uses a new ProcessLaunchInfo class which encapsulates
all process launching settings. This simplifies the internal APIs needed for
launching. I want to slowly phase out process launching from the process
classes, so for now we can still launch just as we used to, but eventually
the platform is the object that should do the launching.
Modified the Host::LaunchProcess in the MacOSX Host.mm to correctly be able
to launch processes with all of the new eLaunchFlag settings. Modified any
code that was manually launching processes to use the Host::LaunchProcess
functions.
Fixed an issue where lldb_private::Args had implicitly defined copy
constructors that could do the wrong thing. This has now been fixed by adding
an appropriate copy constructor and assignment operator.
Make sure we don't add empty ModuleSP entries to a module list.
Fixed the commpage module creation on MacOSX, but we still need to train
the MacOSX dynamic loader to not get rid of it when it doesn't have an entry
in the all image infos.
Abstracted many more calls from in ProcessGDBRemote down into the
GDBRemoteCommunicationClient subclass to make the classes cleaner and more
efficient.
Fixed the default iOS ARM register context to be correct and also added support
for targets that don't support the qThreadStopInfo packet by selecting the
current thread (only if needed) and then sending a stop reply packet.
Debugserver can now start up with a --unix-socket (-u for short) and can
then bind to port zero and send the port it bound to to a listening process
on the other end. This allows the GDB remote platform to spawn new GDB server
instances (debugserver) to allow platform debugging.
llvm-svn: 129351
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This allows you to have a platform selected, then specify a triple using
"i386" and have the remaining triple items (vendor, os, and environment) set
automatically.
Many interpreter commands take the "--arch" option to specify an architecture
triple, so now the command options needed to be able to get to the current
platform, so the Options class now take a reference to the interpreter on
construction.
Modified the build LLVM building in the Xcode project to use the new
Xcode project level user definitions:
LLVM_BUILD_DIR - a path to the llvm build directory
LLVM_SOURCE_DIR - a path to the llvm sources for the llvm that will be used to build lldb
LLVM_CONFIGURATION - the configuration that lldb is built for (Release,
Release+Asserts, Debug, Debug+Asserts).
I also changed the LLVM build to not check if "lldb/llvm" is a symlink and
then assume it is a real llvm build directory versus the unzipped llvm.zip
package, so now you can actually have a "lldb/llvm" directory in your lldb
sources.
llvm-svn: 129112
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class now implements the Host functionality for a lot of things that make
sense by default so that subclasses can check:
int
PlatformSubclass::Foo ()
{
if (IsHost())
return Platform::Foo (); // Let the platform base class do the host specific stuff
// Platform subclass specific code...
int result = ...
return result;
}
Added new functions to the platform:
virtual const char *Platform::GetUserName (uint32_t uid);
virtual const char *Platform::GetGroupName (uint32_t gid);
The user and group names are cached locally so that remote platforms can avoid
sending packets multiple times to resolve this information.
Added the parent process ID to the ProcessInfo class.
Added a new ProcessInfoMatch class which helps us to match processes up
and changed the Host layer over to using this new class. The new class allows
us to search for processs:
1 - by name (equal to, starts with, ends with, contains, and regex)
2 - by pid
3 - And further check for parent pid == value, uid == value, gid == value,
euid == value, egid == value, arch == value, parent == value.
This is all hookup up to the "platform process list" command which required
adding dumping routines to dump process information. If the Host class
implements the process lookup routines, you can now lists processes on
your local machine:
machine1.foo.com % lldb
(lldb) platform process list
PID PARENT USER GROUP EFF USER EFF GROUP TRIPLE NAME
====== ====== ========== ========== ========== ========== ======================== ============================
99538 1 username usergroup username usergroup x86_64-apple-darwin FileMerge
94943 1 username usergroup username usergroup x86_64-apple-darwin mdworker
94852 244 username usergroup username usergroup x86_64-apple-darwin Safari
94727 244 username usergroup username usergroup x86_64-apple-darwin Xcode
92742 92710 username usergroup username usergroup i386-apple-darwin debugserver
This of course also works remotely with the lldb-platform:
machine1.foo.com % lldb-platform --listen 1234
machine2.foo.com % lldb
(lldb) platform create remote-macosx
Platform: remote-macosx
Connected: no
(lldb) platform connect connect://localhost:1444
Platform: remote-macosx
Triple: x86_64-apple-darwin
OS Version: 10.6.7 (10J869)
Kernel: Darwin Kernel Version 10.7.0: Sat Jan 29 15:17:16 PST 2011; root:xnu-1504.9.37~1/RELEASE_I386
Hostname: machine1.foo.com
Connected: yes
(lldb) platform process list
PID PARENT USER GROUP EFF USER EFF GROUP TRIPLE NAME
====== ====== ========== ========== ========== ========== ======================== ============================
99556 244 username usergroup username usergroup x86_64-apple-darwin trustevaluation
99548 65539 username usergroup username usergroup x86_64-apple-darwin lldb
99538 1 username usergroup username usergroup x86_64-apple-darwin FileMerge
94943 1 username usergroup username usergroup x86_64-apple-darwin mdworker
94852 244 username usergroup username usergroup x86_64-apple-darwin Safari
The lldb-platform implements everything with the Host:: layer, so this should
"just work" for linux. I will probably be adding more stuff to the Host layer
for launching processes and attaching to processes so that this support should
eventually just work as well.
Modified the target to be able to be created with an architecture that differs
from the main executable. This is needed for iOS debugging since we can have
an "armv6" binary which can run on an "armv7" machine, so we want to be able
to do:
% lldb
(lldb) platform create remote-ios
(lldb) file --arch armv7 a.out
Where "a.out" is an armv6 executable. The platform then can correctly decide
to open all "armv7" images for all dependent shared libraries.
Modified the disassembly to show the current PC value. Example output:
(lldb) disassemble --frame
a.out`main:
0x1eb7: pushl %ebp
0x1eb8: movl %esp, %ebp
0x1eba: pushl %ebx
0x1ebb: subl $20, %esp
0x1ebe: calll 0x1ec3 ; main + 12 at test.c:18
0x1ec3: popl %ebx
-> 0x1ec4: calll 0x1f12 ; getpid
0x1ec9: movl %eax, 4(%esp)
0x1ecd: leal 199(%ebx), %eax
0x1ed3: movl %eax, (%esp)
0x1ed6: calll 0x1f18 ; printf
0x1edb: leal 213(%ebx), %eax
0x1ee1: movl %eax, (%esp)
0x1ee4: calll 0x1f1e ; puts
0x1ee9: calll 0x1f0c ; getchar
0x1eee: movl $20, (%esp)
0x1ef5: calll 0x1e6a ; sleep_loop at test.c:6
0x1efa: movl $12, %eax
0x1eff: addl $20, %esp
0x1f02: popl %ebx
0x1f03: leave
0x1f04: ret
This can be handy when dealing with the new --line options that was recently
added:
(lldb) disassemble --line
a.out`main + 13 at test.c:19
18 {
-> 19 printf("Process: %i\n\n", getpid());
20 puts("Press any key to continue..."); getchar();
-> 0x1ec4: calll 0x1f12 ; getpid
0x1ec9: movl %eax, 4(%esp)
0x1ecd: leal 199(%ebx), %eax
0x1ed3: movl %eax, (%esp)
0x1ed6: calll 0x1f18 ; printf
Modified the ModuleList to have a lookup based solely on a UUID. Since the
UUID is typically the MD5 checksum of a binary image, there is no need
to give the path and architecture when searching for a pre-existing
image in an image list.
Now that we support remote debugging a bit better, our lldb_private::Module
needs to be able to track what the original path for file was as the platform
knows it, as well as where the file is locally. The module has the two
following functions to retrieve both paths:
const FileSpec &Module::GetFileSpec () const;
const FileSpec &Module::GetPlatformFileSpec () const;
llvm-svn: 128563
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public types and public enums. This was done to keep the SWIG stuff from
parsing all sorts of enums and types that weren't needed, and allows us to
abstract our API better.
llvm-svn: 128239
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static archive that can be linked against. LLDB.framework/lldb.so
exports a very controlled API. Splitting the API into a static
library allows other tools (debugserver for now) to use the power
of the LLDB debugger core, yet not export it as its API is not
portable or maintainable. The Host layer and many of the other
internal only APIs can now be statically linked against.
Now LLDB.framework/lldb.so links against "liblldb-core.a" instead
of compiling the .o files only for the shared library. This fix
is only for compiling with Xcode as the Makefile based build already
does this.
The Xcode projecdt compiler has been changed to LLVM. Anyone using
Xcode 3 will need to manually change the compiler back to GCC 4.2,
or update to Xcode 4.
llvm-svn: 127963
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now, in addition to cpu type/subtype and architecture flavor, contains:
- byte order (big endian, little endian)
- address size in bytes
- llvm::Triple for true target triple support and for more powerful plug-in
selection.
llvm-svn: 125602
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layer a bit more.
llvm-svn: 125149
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So the issue here was that we have lldb_private::FileSpec that by default was
always resolving a path when using the:
FileSpec::FileSpec (const char *path);
and in the:
void FileSpec::SetFile(const char *pathname, bool resolve = true);
This isn't what we want in many many cases. One example is you have "/tmp" on
your file system which is really "/private/tmp". You compile code in that
directory and end up with debug info that mentions "/tmp/file.c". Then you
type:
(lldb) breakpoint set --file file.c --line 5
If your current working directory is "/tmp", then "file.c" would be turned
into "/private/tmp/file.c" which won't match anything in the debug info.
Also, it should have been just a FileSpec with no directory and a filename
of "file.c" which could (and should) potentially match any instances of "file.c"
in the debug info.
So I removed the constructor that just takes a path:
FileSpec::FileSpec (const char *path); // REMOVED
You must now use the other constructor that has a "bool resolve" parameter that you must always supply:
FileSpec::FileSpec (const char *path, bool resolve);
I also removed the default parameter to SetFile():
void FileSpec::SetFile(const char *pathname, bool resolve);
And fixed all of the code to use the right settings.
llvm-svn: 116944
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as binary bytes or as an ASCII text dump.
- The output file is specified with the "--outfile FILE" option.
- The memory can be appended to an existing file using the "--append" option.
- The memory will be written as an ASCII text dump by default, or as
binary with the "--binary" option.
Added new options to memory write to allow writing all or part of
a file on disk to target memory:
- The input file is specified using the "--infile FILE" option
- The offset at which to start in the file defaults to zero, but
can be overridden using the "--offset OFFSET" option. If the
size is not specified, the remaining number of bytes in the file
will be used as the default byte size.
- The number of bytes to write defaults to the entire file byte
size, but can be changed with the "--size COUNT" option.
llvm-svn: 116172
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(for standardized argument names, argument help, etc.)
llvm-svn: 115570
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option
arguments are specified in a standardized way, will have a standardized name, and
have functioning help.
The next step is to start writing useful help for all the argument types.
llvm-svn: 115335
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accessed by the objects that own the settings. The previous approach wasn't
very usable and made for a lot of unnecessary code just to access variables
that were already owned by the objects.
While I fixed those things, I saw that CommandObject objects should really
have a reference to their command interpreter so they can access the terminal
with if they want to output usaage. Fixed up all CommandObjects to take
an interpreter and cleaned up the API to not need the interpreter to be
passed in.
Fixed the disassemble command to output the usage if no options are passed
down and arguments are passed (all disassebmle variants take options, there
are no "args only").
llvm-svn: 114252
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formatting problems.
llvm-svn: 113408
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Temporarily remove -l option from 'expr' command (at Sean's request).
llvm-svn: 113298
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part of C++'98. Most of these were "std::vector<T>::data()" and
"std::string::data()".
llvm-svn: 108957
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enabled LLVM make style building and made this compile LLDB on Mac OS X. We
can now iterate on this to make the build work on both linux and macosx.
llvm-svn: 108009
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to the debugger from GUI windows. Previously there was one global debugger
instance that could be accessed that had its own command interpreter and
current state (current target/process/thread/frame). When a GUI debugger
was attached, if it opened more than one window that each had a console
window, there were issues where the last one to setup the global debugger
object won and got control of the debugger.
To avoid this we now create instances of the lldb_private::Debugger that each
has its own state:
- target list for targets the debugger instance owns
- current process/thread/frame
- its own command interpreter
- its own input, output and error file handles to avoid conflicts
- its own input reader stack
So now clients should call:
SBDebugger::Initialize(); // (static function)
SBDebugger debugger (SBDebugger::Create());
// Use which ever file handles you wish
debugger.SetErrorFileHandle (stderr, false);
debugger.SetOutputFileHandle (stdout, false);
debugger.SetInputFileHandle (stdin, true);
// main loop
SBDebugger::Terminate(); // (static function)
SBDebugger::Initialize() and SBDebugger::Terminate() are ref counted to
ensure nothing gets destroyed too early when multiple clients might be
attached.
Cleaned up the command interpreter and the CommandObject and all subclasses
to take more appropriate arguments.
llvm-svn: 106615
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llvm-svn: 106034
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option sets.
Fixed the Disassemble arguments so you can't specify start address or name in multiple ways.
Fixed the command line input so you can specify the filename without "-f" even if you use other options.
llvm-svn: 106020
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llvm-svn: 105619
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