Summary:
This patch adds accurate dependency specifications to the mail LLDB libraries and tools.
In all cases except lldb-server, these dependencies are added in addition to existing dependencies (making this low risk), and I performed some code cleanup along the way.
For lldb-server I've cleaned up the LLVM dependencies down to just the minimum actually required. This is more than lldb-server actually directly references, and I've left a todo in the code to clean that up.
Reviewers: labath, zturner
Subscribers: lldb-commits, danalbert, srhines, ki.stfu, mgorny, jgosnell
Differential Revision: https://reviews.llvm.org/D29333
llvm-svn: 293686
Summary: This commit adds an option to set PC to the entry point of the file loaded using "target module load" command. In D28804, Greg asked me to separate this part under a different option.
Reviewers: clayborg
Reviewed By: clayborg
Subscribers: lldb-commits
Differential Revision: https://reviews.llvm.org/D28944
llvm-svn: 292989
For bare-metal targets, lldb was missing a command like 'load' in gdb
which can be used to create executable image on the target. This was
discussed in
http://lists.llvm.org/pipermail/lldb-dev/2016-December/011752.html
This commits adds an option to "target module load" command to provide
that functionality. It does not set the PC to entry address which will
be done separately.
Reviewed in https://reviews.llvm.org/D28804
llvm-svn: 292499
This adds the LLDB_LOG macro, which enables one to write more succinct log
statements.
if (log)
log->Printf("log something: %d", var);
becomes
LLDB_LOG(log, "log something: {0}, var);
The macro still internally does the "if(log)" dance, so the arguments are only
evaluated if logging is enabled, meaning it has the same overhead as the
previous syntax.
Additionally, the log statements will be automatically prefixed with the file
and function generating the log (if the corresponding new argument to the "log
enable" command is enabled), so one does not need to manually specify this in
the log statement.
It also uses the new llvm formatv syntax, which means we don't have to worry
about PRIx64 macros and similar, and we can log complex object (llvm::StringRef,
lldb_private::Error, ...) more easily.
Differential Revision: https://reviews.llvm.org/D27459
llvm-svn: 292360
This adds formatv-backed formatting functions in various
places in LLDB such as StreamString, logging, constructing
error messages, etc. A couple of callsites are changed
from Printf style syntax to formatv style syntax to
illustrate its usage. Additionally, a FileSpec formatter
is introduced so that FileSpecs can be formatted natively.
Differential Revision: https://reviews.llvm.org/D27632
llvm-svn: 289922
In the process, discovered a bug related to the use of an
uninitialized-pointer, and fixed as suggested by Enrico
in an lldb-dev mailing list thread.
llvm-svn: 289015
r287386 added a \x13 character inside a string literal. Most likely this
was by mistake, so remove it.
Differential Revision: https://reviews.llvm.org/D26973
llvm-svn: 287862
The long-term goal here is to get rid of the functions
GetArgumentAtIndex() and GetQuoteCharAtIndex(), instead
replacing them with operator based access and range-based for
enumeration. There are a lot of callsites, though, so the
changes will be done incrementally, starting with this one.
Differential Revision: https://reviews.llvm.org/D26883
llvm-svn: 287597
In the process, found some functions that were duplicates of
existing StringRef member functions. So deleted those functions
and used the StringRef functions instead.
llvm-svn: 287279
This was a bit tricky, especially for things like
OptionValueArray and OptionValueDictionary since they do some
funky string parsing. Rather than try to re-write line-by-line
I tried to make the StringRef usage idiomatic, even though
it meant often re-writing from scratch large blocks of code
in a different way while keeping true to the original intent.
The finished code is a big improvement though, and often much
shorter than the original code. All tests and unit tests
pass on Windows and Linux.
llvm-svn: 287242
This is a large API change that removes the two functions from
StreamString that return a std::string& and a const std::string&,
and instead provide one function which returns a StringRef.
Direct access to the underlying buffer violates the concept of
a "stream" which is intended to provide forward only access,
and makes porting to llvm::raw_ostream more difficult in the
future.
Differential Revision: https://reviews.llvm.org/D26698
llvm-svn: 287152
Summary:
All usages have been replaced by appropriate std::chrono funcionality, and the
class is now unused. The only used part of the cpp file is the DumpTimePoint
function, which I have moved into the only caller (CommandObjectTarget.cpp).
Reviewers: clayborg, zturner
Subscribers: mgorny, lldb-commits
Differential Revision: https://reviews.llvm.org/D26451
llvm-svn: 287096
This is forcing to use Error::success(), which is in a wide majority
of cases a lot more readable.
Differential Revision: https://reviews.llvm.org/D26481
llvm-svn: 286561
Summary:
The only interesting part here is that TimePoint and TimeValue have different
natural string representations, which affects "target modules list" output. It
is now "2016-07-09 04:02:21.000000000", whereas previously in was
"Sat Jul 9 04:02:21 2016". I wanted to check if we're OK with that.
Reviewers: clayborg
Subscribers: lldb-commits
Differential Revision: https://reviews.llvm.org/D26275
llvm-svn: 286349
I added a "thread-stop-format" to distinguish between the form
that is just the thread info (since the stop printing immediately prints
the frame info) and one with more frame 0 info - which is useful for
"thread list" and the like.
I also added a frame.no-debug boolean to the format entities so you can
print frame information differently between frames with source info and those
without.
This closes https://reviews.llvm.org/D26383.
<rdar://problem/28273697>
llvm-svn: 286288
This is better for a number of reasons. Mostly style, but also:
1) Signed-unsigned comparison warnings disappear since there is
no loop index.
2) Iterating with the range-for style gives you back an entry
that has more than just a const char*, so it's more efficient
and more useful.
3) Makes code safter since the type system enforces that it's
impossible to index out of bounds.
llvm-svn: 283413
CommandData breakpoint commands didn't know whether they were
Python or Command line commands, so they couldn't serialize &
deserialize themselves properly. Fix that.
I also changed the "breakpoint list" command to note in the output
when the commands are Python commands. Fortunately only one test
was relying on this explicit bit of text output.
llvm-svn: 282432
This change is very mechanical. All it does is change the
signature of `Options::GetDefinitions()` and `OptionGroup::
GetDefinitions()` to return an `ArrayRef<OptionDefinition>`
instead of a `const OptionDefinition *`. In the case of the
former, it deletes the sentinel entry from every table, and
in the case of the latter, it removes the `GetNumDefinitions()`
method from the interface. These are no longer necessary as
`ArrayRef` carries its own length.
In the former case, iteration was done by using a sentinel
entry, so there was no knowledge of length. Because of this
the individual option tables were allowed to be defined below
the corresponding class (after all, only a pointer was needed).
Now, however, the length must be known at compile time to
construct the `ArrayRef`, and as a result it is necessary to
move every option table before its corresponding class. This
results in this CL looking very big, but in terms of substance
there is not much here.
Differential revision: https://reviews.llvm.org/D24834
llvm-svn: 282188
This change introduces optional marking of the column within a source
line where a thread is stopped. This marking will show up when the
source code for a thread stop is displayed, when the debug info
knows the column information, and if the optional column marking is
enabled.
There are two separate methods for handling the marking of the stop
column:
* via ANSI terminal codes, which are added inline to the source line
display. The default ANSI mark-up is to underline the column.
* via a pure text-based caret that is added in the appropriate column
in a newly-inserted blank line underneath the source line in
question.
There are some new options that control how this all works.
* settings set stop-show-column
This takes one of 4 values:
* ansi-or-caret: use the ANSI terminal code mechanism if LLDB
is running with color enabled; if not, use the caret-based,
pure text method (see the "caret" mode below).
* ansi: only use the ANSI terminal code mechanism to highlight
the stop line. If LLDB is running with color disabled, no
stop column marking will occur.
* caret: only use the pure text caret method, which introduces
a newly-inserted line underneath the current line, where
the only character in the new line is a caret that highlights
the stop column in question.
* none: no stop column marking will be attempted.
* settings set stop-show-column-ansi-prefix
This is a text format that indicates the ANSI formatting
code to insert into the stream immediately preceding the
column where the stop column character will be marked up.
It defaults to ${ansi.underline}; however, it can contain
any valid LLDB format codes, e.g.
${ansi.fg.red}${ansi.bold}${ansi.underline}
* settings set stop-show-column-ansi-suffix
This is the text format that specifies the ANSI terminal
codes to end the markup that was started with the prefix
described above. It defaults to: ${ansi.normal}. This
should be sufficient for the common cases.
Significant leg-work was done by Adrian Prantl. (Thanks, Adrian!)
differential review: https://reviews.llvm.org/D20835
reviewers: clayborg, jingham
llvm-svn: 282105
This updates getters and setters to use StringRef instead of
const char *. I tested the build on Linux, Windows, and OSX
and saw no build or test failures. I cannot test any BSD
or Android variants, however I expect the required changes
to be minimal or non-existant.
llvm-svn: 282079
Serialize breakpoint names & the hardware_requested attributes.
Also added a few missing affordances to SBBreakpoint whose absence
writing the tests pointed out.
<rdar://problem/12611863>
llvm-svn: 282036
This patch also marks the const char* versions as =delete to prevent
their use. This has the potential to cause build breakages on some
platforms which I can't compile. I have tested on Windows, Linux,
and OSX. Best practices for fixing broken callsites are outlined in
Args.h in a comment above the deleted function declarations.
Eventually we can remove these =delete declarations, but for now they
are important to make sure that all implicit conversions from
const char * are manually audited to make sure that they do not invoke a
conversion from nullptr.
llvm-svn: 281919
Where possible, remove the const char* version. To keep the
risk and impact here minimal, I've only done the simplest
functions.
In the process, I found a few opportunities for adding some
unit tests, so I added those as well.
Tested on Windows, Linux, and OSX.
llvm-svn: 281799
Moved the guts of the code from CommandObjectBreakpoint to Target (should
have done it that way in the first place.) Added an SBBreakpointList class
so there's a way to specify which breakpoints to serialize and to report the
deserialized breakpoints.
<rdar://problem/12611863>
llvm-svn: 281520
Plumb unique_ptrs<> all the way through the baton interface.
NFC, this is a minor improvement to remove the possibility of an
accidental pointer ownership issue.
Reviewed By: jingham
Differential Revision: https://reviews.llvm.org/D24495
llvm-svn: 281360
Still to come:
1) SB API's
2) Testcases
3) Loose ends:
a) serialize Thread options
b) serialize Exception resolvers
4) "break list --file" should list breakpoints contained in a file and
"break read -f 1 3 5" should then read in only those breakpoints.
<rdar://problem/12611863>
llvm-svn: 281273
mode in lldb works. I've been discussing this with Jim Ingham,
Greg Clayton, and Kate Stone for the past week or two.
Previously lldb would print three source lines (centered on the
line table entry line for the current line) followed by the assembly.
It would print the context information (module`function + offset)
before those three lines of source.
Now lldb will print up to two lines before/after the line table
entry. It prints two '*' characters for the line table line to
make it clear what line is showing assembly. There is one line of
whitespace before/after the source lines so the separation between
source & assembly is clearer. I don't print the context line
(module`function + offset). I stop printing context lines if it's
a different line table entry, or if it's a source line I've already
printed as context to another source line. If I have two line table
entries one after another for the same source line (I get these often
with clang - with different column information in them), I only print
the source line once.
I'm also using the target.process.thread.step-avoid-regexp setting
(which keeps you from stepping into STL functions that have been inlined
into your own code) and avoid printing any source lines from functions
that match that regexp.
When lldb disassembles into a new function, it will try to find the
declaration line # for the function and print all of the source lines
between the decl and the first line table entry (usually a { curly brace)
so we have a good chance of including the arguments, at least with the
debug info emitted by clang.
Finally, the # of source lines of context to show has been separated
from whether we're doing mixed source & assembly or not. Previously
specifying 0 lines of context would turn off mixed source & assembly.
I think there's room for improvement, and maybe some bugs I haven't
found yet, but it's in good enough shape to upstream and iterate at
this point.
I'm not sure how best to indicate which source line is the actual line
table # versus context lines. I'm using '**' right now. Both Kate
and Greg had the initial idea to reuse '->' (normally used to indicate
"currently executing source line") - I tried it but I wasn't thrilled,
I'm too used to the established meaning of ->.
Greg had the interesting idea of avoiding context source lines only
in two line table entries in the same source file. So we'd print
two lines before & after a source line, and then the next line table
entry (if it was on the next source line after those two context lines)
we'd display only the following two lines -- the previous two had just
been printed. If an inline source line was printed between these two,
though, we'd print the context lines for both of them. It's an
interesting idea, and I want to see how it works with both -O0 and -O3
codegen where we have different amounts of inlining.
<rdar://problem/27961419>
llvm-svn: 280906
*** to conform to clang-format’s LLVM style. This kind of mass change has
*** two obvious implications:
Firstly, merging this particular commit into a downstream fork may be a huge
effort. Alternatively, it may be worth merging all changes up to this commit,
performing the same reformatting operation locally, and then discarding the
merge for this particular commit. The commands used to accomplish this
reformatting were as follows (with current working directory as the root of
the repository):
find . \( -iname "*.c" -or -iname "*.cpp" -or -iname "*.h" -or -iname "*.mm" \) -exec clang-format -i {} +
find . -iname "*.py" -exec autopep8 --in-place --aggressive --aggressive {} + ;
The version of clang-format used was 3.9.0, and autopep8 was 1.2.4.
Secondly, “blame” style tools will generally point to this commit instead of
a meaningful prior commit. There are alternatives available that will attempt
to look through this change and find the appropriate prior commit. YMMV.
llvm-svn: 280751
MSVC emits an error when one uses a const variable in a lambda without
capturing it.
gcc and clang don't emit an error in this scenario.
llvm-svn: 280707
When a process stops due to a crash, we get the crashing instruction and the
crashing memory location (if there is one). From the user's perspective it is
often unclear what the reason for the crash is in a symbolic sense.
To address this, I have added new fuctionality to StackFrame to parse the
disassembly and reconstruct the sequence of dereferneces and offsets that were
applied to a known variable (or fuction retrn value) to obtain the invalid
pointer.
This makes use of enhancements in the disassembler, as well as new information
provided by the DWARF expression infrastructure, and is exposed through a
"frame diagnose" command. It is also used to provide symbolic information, when
available, in the event of a crash.
The algorithm is very rudimentary, and it needs a bunch of work, including
- better parsing for assembly, preferably with help from LLVM
- support for non-Apple platforms
- cleanup of the algorithm core, preferably to make it all work in terms of
Operands instead of register/offset pairs
- improvement of the GetExpressioPath() logic to make prettier expression
paths, and
- better handling of vtables.
I welcome all suggestios, improvements, and testcases.
llvm-svn: 280692
easier to scan a set of options with a relatively large number of positional
arguments. This commit standardizes their formatting throughout LLDB and
applies surrounding directives to exempt them from being formatted by
clang-format.
These kinds of exemptions should be rare cases that benefit significantly
from alternative formatting. They also imply a long-term obligation to
maintain their format since the automated tools will not do so.
llvm-svn: 279882
Options used to store a reference to the CommandInterpreter instance
in the base Options class. This made it impossible to parse options
independent of a CommandInterpreter.
This change removes the reference from the base class. Instead, it
modifies the options-parsing-related methods to take an
ExecutionContext pointer, which the options may inspect if they need
to do so.
Closes https://reviews.llvm.org/D23416
Reviewers: clayborg, jingham
llvm-svn: 278440
It's always hard to remember when to include this file, and
when you do include it it's hard to remember what preprocessor
check it needs to be behind, and then you further have to remember
whether it's windows.h or win32.h which you need to include.
This patch changes the name to PosixApi.h, which is more appropriately
named, and makes it independent of any preprocessor setting.
There's still the issue of people not knowing when to include this,
because there's not a well-defined set of things it exposes other
than "whatever is missing on Windows", but at least this should
make it less painful to fix when problems arise.
This patch depends on LLVM revision r278170.
llvm-svn: 278177
review it for consistency, accuracy, and clarity. These changes attempt to
address all of the above while keeping the text relatively terse.
<rdar://problem/24868841>
llvm-svn: 275485
We had support that assumed that thread local data for a variable could be determined solely from the module in which the variable exists. While this work for linux, it doesn't work for Apple OSs. The DWARF for thread local variables consists of location opcodes that do something like:
DW_OP_const8u (x)
DW_OP_form_tls_address
or
DW_OP_const8u (x)
DW_OP_GNU_push_tls_address
The "x" is allowed to be anything that is needed to determine the location of the variable. For Linux "x" is the offset within the TLS data for a given executable (ModuleSP in LLDB). For Apple OS variants, it is the file address of the data structure that contains a pthread key that can be used with pthread_getspecific() and the offset needed.
This fix passes the "x" along to the thread:
virtual lldb::addr_t
lldb_private::Thread::GetThreadLocalData(const lldb::ModuleSP module, lldb::addr_t tls_file_addr);
Then this is passed along to the DynamicLoader::GetThreadLocalData():
virtual lldb::addr_t
lldb_private::DynamicLoader::GetThreadLocalData(const lldb::ModuleSP module, const lldb::ThreadSP thread, lldb::addr_t tls_file_addr);
This allows each DynamicLoader plug-in do the right thing for the current OS.
The DynamicLoaderMacOSXDYLD was modified to be able to grab the pthread key from the data structure that is in memory and call "void *pthread_getspecific(pthread_key_t key)" to get the value of the thread local storage and it caches it per thread since it never changes.
I had to update the test case to access the thread local data before trying to print it as on Apple OS variants, thread locals are not available unless they have been accessed at least one by the current thread.
I also added a new lldb::ValueType named "eValueTypeVariableThreadLocal" so that we can ask SBValue objects for their ValueType and be able to tell when we have a thread local variable.
<rdar://problem/23308080>
llvm-svn: 274366
For code like:
int g_global = 234;
int g_static = 345;
int main(int argc, char **argv)
{
int a = 22333;
static int g_int = 123;
return g_global + g_static + g_int + a;
}
If we stop at the "return" statement, we expect to see "argc", "argv", "a" and "g_int" when we type "frame variable" since "g_int" is a locally defined static variable, but we don't expect to see "g_global" or "g_static" unless we add the -g option to "frame variable".
llvm-svn: 272348
In order to make this happen, I have added permissions to sections so that we can know what the permissions are for a given section, and modified both core file plug-ins to override Process::GetMemoryRegionInfo() and answer things correctly.
llvm-svn: 272276
This is a pretty straightforward first pass over removing a number of uses of
Mutex in favor of std::mutex or std::recursive_mutex. The problem is that there
are interfaces which take Mutex::Locker & to lock internal locks. This patch
cleans up most of the easy cases. The only non-trivial change is in
CommandObjectTarget.cpp where a Mutex::Locker was split into two.
llvm-svn: 269877
This allows expressions such as 'i == 1 || i == 2` to be executed using the IR interpreter, instead of relying on JIT code injection (which may not be available on some platforms).
Patch by cameron314
Differential Revision: http://reviews.llvm.org/D19124
llvm-svn: 269340
Summary:
The "file" variable in a LineEntry was mapped using target.source-map, except when stepping through inlined code. This patch adds a new variable to LineEntry, "original_file", that contains the original file from the debug info. "file" will continue to (possibly) be mapped.
Some code has been changed to use "original_file". This is code dealing with symbols. Code dealing with source files will still use "file". Reviewers, please confirm that these particular changes are correct.
Tests run on Ubuntu 12.04 show no regression.
Reviewers: clayborg, jingham
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D20135
llvm-svn: 269250
This is not the right thing for all clients (notably the expression parser), so put it in type lookup specific code
Fixes rdar://problem/22422313
llvm-svn: 269095
IOHandlerLinesUpdated() does nothing, and IOHandlerIsInputComplete should be
implemented but isn't. This means that multiline expressions don't work. This
patch fixes that. Test case to follow in the next commit.
llvm-svn: 268970
within a source file.
This isn't done, I need to make the name match smarter (right now it requires an
exact match which is annoying for methods of a class in a namespace.
Also, though we use it in tests all over the place, it doesn't look like we have
a test for Source Regexp breakpoints by themselves, I'll add that in a follow-on patch.
llvm-svn: 267834
This option evaluates an expression and, if the result is of pointer type, treats it as if it was an array of that many elements and displays such elements
This has a couple subtle points but is mostly as straightforward as it sounds
Add a parray N <expr> alias for this new mode
Also, extend the --object-description mode to do the moral equivalent of the above but display each element in --object-description mode
Add a poarray N <expr> alias for this
llvm-svn: 267372
Summary: Flag updated in D233237
Reviewers: spyffe, jingham, Eugene.Zelenko
Subscribers: lldb-commits, sas
Differential Revision: http://reviews.llvm.org/D18660
Change by Francis Ricci <fjricci@fb.com>
llvm-svn: 265421
quietly apply fixits for those who really trust clang's fixits.
Also, moved the retry into ClangUserExpression::Evaluate, where I can make a whole new ClangUserExpression
to do the work. Reusing any of the parts of a UserExpression in situ isn't supported at present.
<rdar://problem/25351938>
llvm-svn: 264793
Top-level Clang expressions are expressions that act as new translation units,
and define their own symbols. They do not have function wrappers like regular
expressions do, and declarations are persistent regardless of use of the dollar
sign in identifiers. Names defined by these are given priority over all other
symbol lookups.
This patch adds a new expression option, '-p' or '--top-level,' which controls
whether the expression is treated this way. It also adds a flag controlling
this to SBExpressionOptions so that this API is usable externally. It also adds
a test that validates that this works. (The test requires a fix to the Clang
AST importer which I will be committing shortly.)
<rdar://problem/22864976>
llvm-svn: 264662
This feature is controlled by an expression command option, a target property and the
SBExpressionOptions setting. FixIt's are only applied to UserExpressions, not UtilityFunctions,
those you have to get right when you make them.
This is just a first stage. At present the fixits are applied silently. The next step
is to tell the user about the applied fixit.
<rdar://problem/25351938>
llvm-svn: 264379
It would be fun to make it provide suggestions (e.g. 'can't find NString, did you mean NSString instead?'), but this worries me a little bit on the account of just how thorough of a type system scan it would have to do
llvm-svn: 264343
This solves issues such as 'apropos foo' returning valid matches just because syntax examples happen to use 'foo' as a placeholder token
Fixes rdar://9043025
llvm-svn: 264123
Win32 API calls that are Unicode aware require wide character
strings, but LLDB uses UTF8 everywhere. This patch does conversions
wherever necessary when passing strings into and out of Win32 API
calls.
Patch by Cameron
Differential Revision: http://reviews.llvm.org/D17107
Reviewed By: zturner, amccarth
llvm-svn: 264074
Persistent decls have traditionally only been types. However, we want to
be able to persist more things, like functions and global variables. This
changes some of the nomenclature and the lookup rules to make this possible.
<rdar://problem/22864976>
llvm-svn: 263864
Summary:
The gdb-remote async thread cannot modify thread state while the main thread
holds a lock on the state. Don't use locking thread iteration for bt all.
Specifically, the deadlock manifests when lldb attempts to JIT code to
symbolicate objective c while backtracing. As part of this code path,
SetPrivateState() is called on an async thread. This async thread will
block waiting for the thread_list lock held by the main thread in
CommandObjectIterateOverThreads. The main thread will also block on the
async thread during DoResume (although with a timeout), leading to a
deadlock. Due to the timeout, the deadlock is not immediately apparent,
but the inferior will be left in an invalid state after the bt all completes,
and objective-c symbols will not be successfully resolved in the backtrace.
Reviewers: andrew.w.kaylor, jingham, clayborg
Subscribers: sas, lldb-commits
Differential Revision: http://reviews.llvm.org/D18075
Change by Francis Ricci <fjricci@fb.com>
llvm-svn: 263735
This cleans things up such CommandAlias essentially can work as its own object; the aliases still live in a separate map, but are now just full-fledged CommandObjectSPs
This patch also cleans up help generation for aliases, allows aliases to vend their own help, and adds a tweak such that "dash-dash aliases", such as po, don't show the list of options for their underlying command, since those can't be provided anyway
I plan to fix up a few more things here, and then add a test case and proclaim victory
llvm-svn: 263499
Turns out that most of the code that runs expressions (e.g. the ObjC runtime grubber) on
behalf of the expression parser was using the currently selected thread. But sometimes,
e.g. when we are evaluating breakpoint conditions/commands, we don't select the thread
we're running on, we instead set the context for the interpreter, and explicitly pass
that to other callers. That wasn't getting communicated to these utility expressions, so
they would run on some other thread instead, and that could cause a variety of subtle and
hard to reproduce problems.
I also went through the commands and cleaned up the use of GetSelectedThread. All those
uses should have been trying the thread in the m_exe_ctx belonging to the command object
first. It would actually have been pretty hard to get misbehavior in these cases, but for
correctness sake it is good to make this usage consistent.
<rdar://problem/24978569>
llvm-svn: 263326
That way you can set offset breakpoints that will move as the function they are
contained in moves (which address breakpoints can't do...)
I don't align the new address to instruction boundaries yet, so you have to get
this right yourself for now.
<rdar://problem/13365575>
llvm-svn: 263049
The next step is to actually turn CommandAlias into a full-blown CommandObject citizen.
This is tricky given the current architecture of the CommandInterpreter but I think I have found a reasonable path forward.
The current plan is to make class CommandAlias : public CommandObject, and have all the several GetCommand calls not actually traverse through the alias to the underlying command object
The only times that an alias will be traversed are:
a) execution; when time comes to run an alias, I will just grab the underlying command and options, and make the interpreter execute that according to its current algorithm
b) subcommand traversal; if one has an alias to a multiword command, grabbing a subcommand will see through to the subcommand
Other operations, e.g. command listing, command names, command helps, ..., will all use the alias directly. This will, in turn, lead to the removal of the separate alias dictionary, and just mix user commands and aliases in one map
llvm-svn: 262986
- move alias help generation to CommandAlias, out of CommandInterpreter
- make alias creation use argument strings instead of OptionArgVectorSP; the former is a more reasonable currency than the latter
- remove m_is_alias from CommandObject, it wasn't actually being used
llvm-svn: 262912
Right now, obviously, this is just the pair of (CommandObjectSP,OptionArgVectorSP), so NFC
This is step one of a larger - and tricky - refactoring which will turn command aliases into interesting objects instead of passive storage that the command interpreter does smart things to
This refactoring, in turn, will allow us to do interesting things with aliases, such as intelligent and customizable help
llvm-svn: 262900
This is useful in cases such as, e.g.
(lldb) help NSString
(the user meant type lookup)
or
(lldb) help kill
(the user is looking for process kill)
Fixes rdar://24868537
llvm-svn: 262271
to allow you to step through a complex calling sequence into a particular function that may span multiple lines. Also some
test cases for this and the --step-target feature.
llvm-svn: 261953
the xcode project file to catch switch statements that have a
case that falls through unintentionally.
Define LLVM_FALLTHROUGH to indicate instances where a case has code
and intends to fall through. This should be in llvm/Support/Compiler.h;
Peter Collingbourne originally checked in there (r237766), then
reverted (r237941) because he didn't have time to mark up all the
'case' statements that were intended to fall through. I put together
a patch to get this back in llvm http://reviews.llvm.org/D17063 but
it hasn't been approved in the past week. I added a new
lldb-private-defines.h to hold the definition for now.
Every place in lldb where there is a comment that the fall-through
is intentional, I added LLVM_FALLTHROUGH to silence the warning.
I haven't tried to identify whether the fallthrough is a bug or
not in the other places.
I haven't tried to add this to the cmake option build flags.
This warning will only work for clang.
This build cleanly (with some new warnings) on macosx with clang
under xcodebuild, but if this causes problems for people on other
configurations, I'll back it out.
llvm-svn: 260930
short option as an aid to memory. Like it's w because of the W in throW.
That helps me remember. If we are going to take these out we should take them
all out. But I kind of like them.
llvm-svn: 260452
llvm::DenseSet<lldb_private::SymbolFile *> &searched_symbol_files
Each time a SymbolFile::FindTypes() is called, it needs to check the searched_symbol_files list to make sure it hasn't already been asked to find the type and return immediately if it has been checked. This will stop circular dependencies from also crashing LLDB during type queries.
This has proven to be an issue when debugging large applications on MacOSX that use DWARF in .o files.
<rdar://problem/24581488>
llvm-svn: 260434
case where you have:
1 -> foo (bar(),
2 baz(),
3 lala());
4
You are sitting on line 1, and want to step into foo, but not bar, baz & lala. Unfortunately
there are line table entries for lines 1-3, and lldb doesn't know anything about the nesting
of statement in these lines. So we'll have to use the user's intelligence... This patch adds:
(lldb) thread step-in -t foo --end-line 4
That tells lldb to keep stepping in till line 4, but stop if you step into foo. I think I would
remember to use this when faced with some of the long gnarly call sequences in lldb. But there
might be ways I haven't thought of to make it more convenient. Jason suggests having "end" as a
special token for --end-line which just means keep going to the end of the function, I really want
to get into this thing...
There should be an SB API and tests, which will come if this seems useful.
llvm-svn: 260352
This is a rather unhelpful warning indicating that the ternary operator return
types are mismatched, returning an integer and an enumeral type. Since the
integeral type is shorter to type, cast the enumeral type to `int`. Silences
the -Wextra warning from GCC.
llvm-svn: 258548
Summary:
Similar to rL256704 and rL256707, fix a few text files which were
accidentally checked in with DOS line endings, or mixed line endings.
Reviewers: jingham, emaste
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D16027
llvm-svn: 257361
Batch mode is supposed to stop execution and return control to the user when an
exceptional stop occurs (crash, signal or instrumentation). But attach always stops
with a SIGSTOP on OSX (maybe on Linux too?) which would short circuit the rest of the
commands given.
This change allows a command result object to indicate that it expected to leave the
process stopped with an exceptional stop reason, and it is okay for batch mode to keep going.
<rdar://problem/22243143>
llvm-svn: 257120
This patch adds support the command 'source info' as follows:
(lldb) help source info
Display source line information (as specified) based on the current executable's
debug info.
Syntax: source info <cmd-options>
Command Options Usage:
source info [-c <count>] [-s <shlib-name>] [-f <filename>] [-l <linenum>] [-e <linenum>]
source info [-c <count>] [-s <shlib-name>] [-n <symbol>]
source info [-c <count>] [-a <address-expression>]
-a <address-expression> ( --address <address-expression> )
Lookup the address and display the source information for the corresponding
file and line.
-c <count> ( --count <count> )
The number of line entries to display.
-e <linenum> ( --end-line <linenum> )
The line number at which to stop displaying lines.
-f <filename> ( --file <filename> )
The file from which to display source.
-l <linenum> ( --line <linenum> )
The line number at which to start the displaying lines.
-n <symbol> ( --name <symbol> )
The name of a function whose source to display.
-s <shlib-name> ( --shlib <shlib-name> )
Look up the source in the given module or shared library (can be specified
more than once).
For example:
(lldb) source info --file x.h
Lines for file x.h in compilation unit x.cpp in `x
[0x0000000100000d00-0x0000000100000d10): /Users/dawn/tmp/./x.h:10
[0x0000000100000d10-0x0000000100000d1b): /Users/dawn/tmp/./x.h:10
The new options are used to fix the MI command:
-symbol-list-lines <file>
which didn't work for header files because it called:
target modules dump line-table <file>
which only dumps line tables for a compilation unit.
The patch also fixes a bug in the error reporting when no files were supplied to the command. Previously you'd get:
(lldb) target modules dump line-table
error:
Syntax:
error: no source filenames matched any command arguments
Now you get:
error: file option must be specified.
Reviewed by: clayborg, jingham, ki.stfu
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D15593
llvm-svn: 256863
find the largest address range (possibly combining multiple
LineEntry's for this line number) that is contiguous.
This allows lldb's fast-step stepping algorithm to potentially
run for a longer address range than if we have to stop at every
LineEntry indicating a subexpression in the source line.
http://reviews.llvm.org/D15407
<rdar://problem/23270882>
llvm-svn: 255590
The standard remote debugging workflow with gdb is to start the
application on the remote host under gdbserver (e.g.: gdbserver :5039
a.out) and then connect to it with gdb.
The same workflow is supported by debugserver/lldb-gdbserver with a very
similar syntax but to access all features of lldb we need to be
connected also to an lldb-platform instance running on the target.
Before this change this had to be done manually with starting a separate
lldb-platform on the target machine and then connecting to it with lldb
before connecting to the process.
This change modifies the behavior of "platform connect" with
automatically connecting to the process instance if it was started by
the remote platform. With this command replacing gdbserver in a gdb
based worflow is usually as simple as replacing the command to execute
gdbserver with executing lldb-platform.
Differential revision: http://reviews.llvm.org/D14952
llvm-svn: 255016
This change introduce 3 different working mode for Platform::LoadImage
depending on the file specs specified.
* If only a remote file is specified then the remote file is loaded on
the target (same behavior as before)
* If only a local file is specified then the local file is installed to
the current working directory and then loaded from there.
* If both local and remote file is specified then the local file is
installed to the specified location and then loaded from there.
The same options are exposed on the SB API with a new method LoadImage
method while the old signature presers its meaning.
On the command line the installation of the shared library can be specified
with the "--install" option of "process load".
Differential revision: http://reviews.llvm.org/D15152
llvm-svn: 255014
On android the symbols exposed by libdl (dlopen, dlclose, dlerror)
prefixed by "__dl_". This change moves the handling of process
load/unload to the platform object and override it for android to
handle the special prefix.
Differential revision: http://reviews.llvm.org/D11465
llvm-svn: 254504
Revert "Remove a few vestigial typedefs from the old world"
This reverts commit 05872cda2a00fbd988c4fc761b1f87fe9edce224.
Revert "Cleanup the type X list commands to use the new ForEach goodness"
This reverts commit 85b1d83819a22cdc9ef12f58fd4fa92b473a4f81.
llvm-svn: 253455
breakpoint as "file address" so that the address breakpoint will track that
module even if it gets loaded in a different place. Also fixed the Address
breakpoint resolver so that it handles this tracking correctly.
llvm-svn: 253308
This is a first pass at a cleanup of that code, modernizing the "type X clear" commands, and providing the basic infrastructure I plan to use all over
More cleanup will come over the next few days
llvm-svn: 253125
instance:
break set -l c++ -r Name
will only break on C++ symbols that match Name, not ObjC or plain C symbols. This also works
for "break set -n" and there are SB API's to pass this as well.
llvm-svn: 252356
This is slightly harder to test because formatters cannot be added to language categories, so deletions are irreversible (in a debugger run)
I plan to add a test case soon, but I need to think about the right approach to obtain one
llvm-svn: 251660
"expr -r" does this. It also returns to a REPL if the LLDB command interpreter
is neseted inside it, for example in cases where a REPL command resulted in a
breakpoint being hit or a crash.
llvm-svn: 250780
There were a number of const qualifiers being cast away which caused warnings.
This cluttered the output hiding real errors. Silence them by explicit casting.
NFC.
llvm-svn: 250662
Previous commit r250281 broke TestDataFormatterSmartArray.py
Resolved in in this patch by adding the new enum eFormatVectorOfFloat16 to FormatManager.
Differential Revision: http://reviews.llvm.org/D13730
llvm-svn: 250499
* ArchSpec::MergeFrom() would erroneously promote an unspecified
unknown to a specified unknown when both the ArchSpec and the merged
in ArchSpec were both unspecified unknowns. This no longer happens,
which fixes issues with global module cache lookup in some
situations.
* Added ArchSpec::DumpTriple(Stream&) that now properly prints
unspecified unknowns as '*' and specified unknows as 'unknown'.
This makes it trivial to tell the difference between the two.
Converted printing code over ot using DumpTriple() rather than
building from scratch.
* Fixed up a couple places that were not guaranteeing that an
unspecified unknown was recorded as such.
llvm-svn: 250253
When the target settings are consulted to decide the expression language
is decided in CommandObjectExpression, this doesn't help if you're running
SBFrame::EvaluateExpression(). Moving the logic into UserExpression fixes
this.
Based on patch from scallanan@apple.com
Reviewed by: dawn
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D13267
llvm-svn: 249624
Summary:
This removes all uses of virtual on functions
where override could be used, including on destructors.
It also adds override where virtual was previously
missing.
Reviewers: clayborg, labath
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D13503
llvm-svn: 249564
Currently, it only supports Objective-C - C++ types can be looked up through debug info via 'image lookup -t', whereas ObjC types via this command are looked up by runtime introspection
This behavior is in line with type lookup's behavior in Xcode 7, but I am definitely open to feedback as to what makes the most sense here
llvm-svn: 249047
Also added some target-level search functions so that persistent variables and
symbols can be searched for without hand-iterating across the map of
TypeSystems.
llvm-svn: 249027
This is meant to support languages that have a scripting mode with top-level code that acts as global
For now, this flag only controls whether 'frame variable' will attempt to treat globals as locals when within such a function
llvm-svn: 248960
the corresponding TypeSystem. This makes sense because what kind of data there
is -- and how it can be looked up -- depends on the language.
Functionality that is common to all type systems is factored out into
PersistentExpressionState.
llvm-svn: 248934
.ARM.exidx/.ARM.extab sections contain unwind information used on ARM
architecture from unwinding from an exception.
Differential revision: http://reviews.llvm.org/D13245
llvm-svn: 248903
There are still a bunch of dependencies on the plug-in, but this helps to
identify them.
There are also a few more bits we need to move (and abstract, for example the
ClangPersistentVariables).
llvm-svn: 248612
Summary:
In bug 24074, the type information is not shown
correctly. This commit includes the following -
-> Changes for displaying correct type based on
current lexical scope for the command "image
lookup -t"
-> The corresponding testcase.
Reviewers: jingham, ovyalov, spyffe, richard.mitton, clayborg
Differential Revision: http://reviews.llvm.org/D12404
llvm-svn: 248366
Summary:
This is no longer related to Clang and is just an opaque pointer
to data for a compiler type.
Reviewers: clayborg
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D13039
llvm-svn: 248288
This cleans up type systems to be more pluggable. Prior to this we had issues:
- Module, SymbolFile, and many others has "ClangASTContext &GetClangASTContext()" functions. All have been switched over to use "TypeSystem *GetTypeSystemForLanguage()"
- Cleaned up any places that were using the GetClangASTContext() functions to use TypeSystem
- Cleaned up Module so that it no longer has dedicated type system member variables:
lldb::ClangASTContextUP m_ast; ///< The Clang AST context for this module.
lldb::GoASTContextUP m_go_ast; ///< The Go AST context for this module.
Now we have a type system map:
typedef std::map<lldb::LanguageType, lldb::TypeSystemSP> TypeSystemMap;
TypeSystemMap m_type_system_map; ///< A map of any type systems associated with this module
- Many places in code were using ClangASTContext static functions to place with CompilerType objects and add modifiers (const, volatile, restrict) and to make typedefs, L and R value references and more. These have been made into CompilerType functions that are abstract:
class CompilerType
{
...
//----------------------------------------------------------------------
// Return a new CompilerType that is a L value reference to this type if
// this type is valid and the type system supports L value references,
// else return an invalid type.
//----------------------------------------------------------------------
CompilerType
GetLValueReferenceType () const;
//----------------------------------------------------------------------
// Return a new CompilerType that is a R value reference to this type if
// this type is valid and the type system supports R value references,
// else return an invalid type.
//----------------------------------------------------------------------
CompilerType
GetRValueReferenceType () const;
//----------------------------------------------------------------------
// Return a new CompilerType adds a const modifier to this type if
// this type is valid and the type system supports const modifiers,
// else return an invalid type.
//----------------------------------------------------------------------
CompilerType
AddConstModifier () const;
//----------------------------------------------------------------------
// Return a new CompilerType adds a volatile modifier to this type if
// this type is valid and the type system supports volatile modifiers,
// else return an invalid type.
//----------------------------------------------------------------------
CompilerType
AddVolatileModifier () const;
//----------------------------------------------------------------------
// Return a new CompilerType adds a restrict modifier to this type if
// this type is valid and the type system supports restrict modifiers,
// else return an invalid type.
//----------------------------------------------------------------------
CompilerType
AddRestrictModifier () const;
//----------------------------------------------------------------------
// Create a typedef to this type using "name" as the name of the typedef
// this type is valid and the type system supports typedefs, else return
// an invalid type.
//----------------------------------------------------------------------
CompilerType
CreateTypedef (const char *name, const CompilerDeclContext &decl_ctx) const;
};
Other changes include:
- Removed "CompilerType TypeSystem::GetIntTypeFromBitSize(...)" and CompilerType TypeSystem::GetFloatTypeFromBitSize(...) and replaced it with "CompilerType TypeSystem::GetBuiltinTypeForEncodingAndBitSize(lldb::Encoding encoding, size_t bit_size);"
- Fixed code in Type.h to not request the full type for a type for no good reason, just request the forward type and let the type expand as needed
llvm-svn: 247953
Before we had:
ClangFunction
ClangUtilityFunction
ClangUserExpression
and code all over in lldb that explicitly made Clang-based expressions. This patch adds an Expression
base class, and three pure virtual implementations for the Expression kinds:
FunctionCaller
UtilityFunction
UserExpression
You can request one of these expression types from the Target using the Get<ExpressionType>ForLanguage.
The Target will then consult all the registered TypeSystem plugins, and if the type system that matches
the language can make an expression of that kind, it will do so and return it.
Because all of the real expression types need to communicate with their ExpressionParser in a uniform way,
I also added a ExpressionTypeSystemHelper class that expressions generically can vend, and a ClangExpressionHelper
that encapsulates the operations that the ClangExpressionParser needs to perform on the ClangExpression types.
Then each of the Clang* expression kinds constructs the appropriate helper to do what it needs.
The patch also fixes a wart in the UtilityFunction that to use it you had to create a parallel FunctionCaller
to actually call the function made by the UtilityFunction. Now the UtilityFunction can be asked to vend a
FunctionCaller that will run its function. This cleaned up a lot of boiler plate code using UtilityFunctions.
Note, in this patch all the expression types explicitly depend on the LLVM JIT and IR, and all the common
JIT running code is in the FunctionCaller etc base classes. At some point we could also abstract that dependency
but I don't see us adding another back end in the near term, so I'll leave that exercise till it is actually necessary.
llvm-svn: 247720
ehframe_ & from gdb_ to stabs_ for clarity.
Also document the fact that i386 eh_frame on Darwin has the register
numbers swapped for ebp/esp from the DWARF register numbers so no one
copies these defines for other i386 ABI plugins. This bug only ever
existed on Darwin.
No code changes, just renaming variables.
llvm-svn: 246834
* Use the frame's context (instead of just the target's) when evaluating,
so that the language of the frame's CU can be used to select the
compiler and/or compiler options to use when parsing the expression.
This allows for modules built with mixed languages to be parsed in
the context of their frame.
* Add all C and C++ language variants when determining the language options
to set.
* Enable C++ language options when language is C or ObjC as a workaround since
the expression parser uses features of C++ to capture values.
* Enable ObjC language options when language is C++ as a workaround for ObjC
requirements.
* Disable C++11 language options when language is C++03.
* Add test TestMixedLanguages.py to check that the language being used
for evaluation is that of the frame.
* Fix test TestExprOptions.py to check for C++11 instead of C++ since C++ has
to be enabled for C, and remove redundant expr --language test for ObjC.
* Fix TestPersistentPtrUpdate.py to not require C++11 in C.
Reviewed by: clayborg, spyffe, jingham
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D11102
llvm-svn: 246829
Summary:
This doesn't exist in other LLVM projects any longer and doesn't
do anything.
Reviewers: chaoren, labath
Subscribers: emaste, tberghammer, lldb-commits, danalbert
Differential Revision: http://reviews.llvm.org/D12586
llvm-svn: 246749
almost all the elements on the list can't actually be passed to the language
command and all the ones that can have already been listed in the subcommands
list.
<rdar://problem/22551082>
llvm-svn: 246740
This is still something I need to fix, but at least it's not so ugly, and it's
consistent with the other code that does that so we will catch it when we purge
all such code.
llvm-svn: 246738
Clang-specific part, create the ExpressionVariable source/header file and
move ClangExpressionVariable into the Clang expression parser plugin.
It is expected that there are some ugly #include paths... these will be resolved
by either (1) making that code use generic expression variables (once they're
separated appropriately) or (2) moving that code into a plug-in, often
the expression parser plug-in.
llvm-svn: 246737
Create a new "lldb_private::CompilerDeclContext" class that will replace all direct uses of "clang::DeclContext" when used in compiler agnostic code, yet still allow for conversion to clang::DeclContext subclasses by clang specific code. This completes the abstraction of type parsing by removing all "clang::" references from the SymbolFileDWARF. The new "lldb_private::CompilerDeclContext" class abstracts decl contexts found in compiler type systems so they can be used in internal API calls. The TypeSystem is required to support CompilerDeclContexts with new pure virtual functions that start with "DeclContext" in the member function names. Converted all code that used lldb_private::ClangNamespaceDecl over to use the new CompilerDeclContext class and removed the ClangNamespaceDecl.cpp and ClangNamespaceDecl.h files.
Removed direct use of clang APIs from SBType and now use the abstract type systems to correctly explore types.
Bulk renames for things that used to return a ClangASTType which is now CompilerType:
"Type::GetClangFullType()" to "Type::GetFullCompilerType()"
"Type::GetClangLayoutType()" to "Type::GetLayoutCompilerType()"
"Type::GetClangForwardType()" to "Type::GetForwardCompilerType()"
"Value::GetClangType()" to "Value::GetCompilerType()"
"Value::SetClangType (const CompilerType &)" to "Value::SetCompilerType (const CompilerType &)"
"ValueObject::GetClangType ()" to "ValueObject::GetCompilerType()"
many more renames that are similar.
llvm-svn: 245905
This is more preparation for multiple different kinds of types from different compilers (clang, Pascal, Go, RenderScript, Swift, etc).
llvm-svn: 244689
This is the work done by Ryan Brown from http://reviews.llvm.org/D8712 that makes a TypeSystem class and abstracts types to be able to use a type system.
All tests pass on MacOSX and passed on linux the last time this was submitted.
llvm-svn: 244679
This patch adds the option -l/--language to the expression command, for
use when setting the language options or choosing an alternate FE. If
not specified, the target.language setting is used.
Reviewed by: clayborg
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D11447
llvm-svn: 243187
Summary:
For certain data structures, when the synthetic child provider returns
zero children, a summary like "Empty instance of <typename>" could be
more appropriate than something like "size=0 {}". This new option helps
hide the trailing "{}".
This is also exposed with a -h option for the command "type summary add".
Reviewers: granata.enrico
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D11473
llvm-svn: 243166
Target and breakpoints options were added:
breakpoint set --language lang --name func
settings set target.language pascal
These specify the Language to use when interpreting the breakpoint's
expression (note: currently only implemented for breakpoints on
identifiers). If the breakpoint language is not set, the target.language
setting is used.
This support is required by Pascal, for example, to set breakpoint at 'ns.foo'
for function 'foo' in namespace 'ns'.
Tests on the language were also added to Module::PrepareForFunctionNameLookup
for efficiency.
Reviewed by: clayborg
Subscribers: jingham, lldb-commits
Differential Revision: http://reviews.llvm.org/D11119
llvm-svn: 242844
Existing commands supplying this type of help content have been reworked to take advantage of the changes. In addition to formatting changes, content was changes for accuracy and clarity purposes.
<rdar://problem/21269977>
llvm-svn: 242122
Summary:
- Consolidate Unix signals selection in UnixSignals.
- Make Unix signals available from platform.
- Add jSignalsInfo packet to retrieve Unix signals from remote platform.
- Get a copy of the platform signal for each remote process.
- Update SB API for signals.
- Update signal utility in test suite.
Reviewers: ovyalov, clayborg
Subscribers: chaoren, jingham, labath, emaste, tberghammer, lldb-commits
Differential Revision: http://reviews.llvm.org/D11094
llvm-svn: 242101
The new command add functionality to print out domain specific
information for reporting a bug. Currently the only supported
domain is stack unwinding (with "bugreport unwind") but adding
new domains is fairly easy.
Differential revision: http://reviews.llvm.org/D10868
llvm-svn: 241252
give them a meaningful error message instead of
"Unable to find process plug-in for core file ...".
<rdar://problem/21255759>
<rdar://problem/21091522>
http://blog.ignoranthack.me/?p=204
llvm-svn: 240753
A few extras were fixed
- Symbol::GetAddress() now returns an Address object, not a reference. There were places where people were accessing the address of a symbol when the symbol's value wasn't an address symbol. On MacOSX, undefined symbols have a value zero and some places where using the symbol's address and getting an absolute address of zero (since an Address object with no section and an m_offset whose value isn't LLDB_INVALID_ADDRESS is considered an absolute address). So fixing this required some changes to make sure people were getting what they expected.
- Since some places want to access the address as a reference, I added a few new functions to symbol:
Address &Symbol::GetAddressRef();
const Address &Symbol::GetAddressRef() const;
Linux test suite passes just fine now.
<rdar://problem/21494354>
llvm-svn: 240702
* Add and fix the emulation of several instruction.
* Disable frame pointer usage on Android.
* Specify return address register for the unwind plan instead of explict
tracking the value of RA.
* Replace prologue detection heuristics (unreliable in several cases)
with a logic to follow the branch instructions and restore the CFI
value based on them. The target address for a branch should have the
same CFI as the source address (if they are in the same function).
* Handle symbols in ELF files where the symbol size is not specified
with calcualting their size based on the next symbol (already done
in MachO files).
* Fix architecture in FuncUnwinders with filling up the inforamtion
missing from the object file with the architecture of the target.
* Add code to read register wehn the value is set to "IsSame" as it
meanse the value of a register in the parent frame is the same as the
value in the current frame.
Differential revision: http://reviews.llvm.org/D10447
llvm-svn: 240533
Summary:
This should solve the issue of sending denormalized paths over gdb-remote
if we stick to GetPath(false) in GDBRemoteCommunicationClient, and let the
server handle any denormalization.
Reviewers: ovyalov, zturner, vharron, clayborg
Reviewed By: clayborg
Subscribers: tberghammer, emaste, lldb-commits
Differential Revision: http://reviews.llvm.org/D9728
llvm-svn: 238604
Since interaction with the python interpreter is moving towards
being more isolated, we won't be able to include this header from
normal files anymore, all includes of it should be localized to
the python library which will live under source/bindings/API/Python
after a future patch.
None of the files that were including this header actually depended
on it anyway, so it was just a dead include in every single instance.
llvm-svn: 238581
Summary:
There is an issue in lldb where the command prompt can appear at the wrong time. The partial fix
we have in for this is not working all the time and is introducing unnecessary delays. This
change does:
- Change Process:SyncIOHandler to use integer start id's for synchronization to avoid it being
confused by quick start-stop cycles. I picked this up from a suggested patch by Greg to
lldb-dev.
- coordinates printing of asynchronous text with the iohandlers. This is also based on a
(different) Greg's patch, but I have added stronger synchronization to it to avoid races.
Together, these changes solve the prompt problem for me on linux (both with and without libedit).
I think they should behave similarly on Mac and FreeBSD and I think they will not make matters
worse for windows.
Test Plan: Prompt comes out alright. All tests still pass on linux.
Reviewers: clayborg, emaste, zturner
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D9823
llvm-svn: 238313
This works for Python commands defined via a class (implement get_flags on your class) and C++ plugin commands (which can call SBCommand::GetFlags()/SetFlags())
Flags allow features such as not letting the command run if there's no target, or if the process is not stopped, ...
Commands could always check for these things themselves, but having these accessible via flags makes custom commands more consistent with built-in ones
llvm-svn: 238286
Summary: This enables correct handling of real time signals by lldb.
Test Plan: Added a test that verifies handling of SIGRTMIN
Reviewers: tberghammer, ovyalov
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D9911
llvm-svn: 238009
Summary: It should default to working-dir/src-filename if dst is not specified.
Reviewers: clayborg, flackr
Reviewed By: flackr
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D9890
llvm-svn: 237831
This patch initially was committed in r237460 but later it was reverted (r237479) due to 4 new failures:
* TestExitDuringStep.py
* TestNumThreads.py
* TestThreadExit.py
* TestThreadStates.py
This patch also fixes these tests.
llvm-svn: 237566
Summary:
This option forces to only set a source line breakpoint when there is an exact-match
This patch includes the following commits:
# Add the -m/--exact-match option in "breakpoint set" command
## Add exact_match arg in BreakpointResolverFileLine ctor
## Add m_exact_match field in BreakpointResolverFileLine
## Add exact_match arg in BreakpointResolverFileRegex ctor
## Add m_exact_match field in BreakpointResolverFileRegex
## Add exact_match arg in Target::CreateSourceRegexBreakpoint
## Add exact_match arg in Target::CreateBreakpoint
## Add -m/--exact-match option in "breakpoint set" command
# Add target.exact-match option to skip BP if source line doesn't match
## Add target.exact-match global option
## Add Target::GetExactMatch
## Refactor Target::CreateSourceRegexBreakpoint to accept LazyBool exact_match (was bool)
## Refactor Target::CreateBreakpoint to accept LazyBool exact_match (was bool)
# Add target.exact-match test in SettingsCommandTestCase
# Add BreakpointOptionsTestCase tests to test --skip-prologue/--exact-match options
# Fix a few typos in lldbutil.check_breakpoint_result func
# Rename --exact-match/m_exact_match/exact_match/GetExactMatch to --move-to-nearest-code/m_move_to_nearest_code/move_to_nearest_code/GetMoveToNearestCode
# Add exact_match field in BreakpointResolverFileLine::GetDescription and BreakpointResolverFileRegex::GetDescription, for example:
was:
```
1: file = '/Users/IliaK/p/llvm/tools/lldb/test/functionalities/breakpoint/breakpoint_command/main.c', line = 12, locations = 1, resolved = 1, hit count = 2
1.1: where = a.out`main + 20 at main.c:12, address = 0x0000000100000eb4, resolved, hit count = 2
```
now:
```
1: file = '/Users/IliaK/p/llvm/tools/lldb/test/functionalities/breakpoint/breakpoint_command/main.c', line = 12, exact_match = 0, locations = 1, resolved = 1, hit count = 2
1.1: where = a.out`main + 20 at main.c:12, address = 0x0000000100000eb4, resolved, hit count = 2
```
Test Plan:
./dotest.py -v --executable $BUILDDIR/bin/lldb functionalities/breakpoint/
./dotest.py -v --executable $BUILDDIR/bin/lldb settings/
./dotest.py -v --executable $BUILDDIR/bin/lldb tools/lldb-mi/breakpoint/
Reviewers: jingham, clayborg
Reviewed By: clayborg
Subscribers: lldb-commits, clayborg, jingham
Differential Revision: http://reviews.llvm.org/D9273
llvm-svn: 237460
Summary:
This patch is the beginnings of support for Non-stop mode in the remote protocol. Letting a user examine stopped threads, while other threads execute freely.
Non-stop mode is enabled using the setting target.non-stop-mode, which sends a QNonStop packet when establishing the remote connection.
Changes are also made to treat the '?' stop reply packet differently in non-stop mode, according to spec https://sourceware.org/gdb/current/onlinedocs/gdb/Remote-Non_002dStop.html#Remote-Non_002dStop.
A setting for querying the remote for default thread on setup is also included.
Handling of '%' async notification packets will be added next.
Reviewers: clayborg
Subscribers: lldb-commits, ADodds, ted, deepak2427
Differential Revision: http://reviews.llvm.org/D9656
llvm-svn: 237239
Removed some unused variables, added some consts, changed some casts
to const_cast. I don't think any of these changes are very
controversial.
Differential Revision: http://reviews.llvm.org/D9674
llvm-svn: 237218
Chris Bieneman