Commit Graph

86 Commits

Author SHA1 Message Date
Zachary Turner 6f9e690199 Move Log from Core -> Utility.
All references to Host and Core have been removed, so this
class can now safely be lowered into Utility.

Differential Revision: https://reviews.llvm.org/D30559

llvm-svn: 296909
2017-03-03 20:56:28 +00:00
Malcolm Parsons 771ef6d4f1 Fix Clang-tidy readability-redundant-string-cstr warnings
Reviewers: zturner, labath

Subscribers: tberghammer, danalbert, lldb-commits
    
Differential Revision: https://reviews.llvm.org/D26233

llvm-svn: 285855
2016-11-02 20:34:10 +00:00
Kate Stone b9c1b51e45 *** This commit represents a complete reformatting of the LLDB source code
*** 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
2016-09-06 20:57:50 +00:00
Greg Clayton 63a27afae3 Added support for thread local variables on all Apple OS variants.
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
2016-07-01 17:17:23 +00:00
Ted Woodward 911d57840a Keep original source path and mapped path in LineEntry
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
2016-05-11 22:46:53 +00:00
Jim Ingham cbf6f9b243 Adding an SBThread::StepInto that takes an end-line, also moved the code that figures
out the address range for the step to SymbolContext.

llvm-svn: 260772
2016-02-13 00:31:47 +00:00
Dawn Perchik bfd96183ef Rework breakpoint language filtering to use the symbol context's language.
This patch reworks the breakpoint filter-by-language patch to use the
symbol context instead of trying to guess the language solely from the
symbol's name. This has the advantage that symbols compiled with debug
info will have their actual language known. Symbols without debug info
will still do the same "guess"ing because Symbol::GetLanguage() is
implemented using Mangled::GuessLanguage(). The recognition of ObjC
names was merged into Mangled::GuessLanguage.

Reviewed by: jingham, clayborg
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D15326

llvm-svn: 255808
2015-12-16 19:40:00 +00:00
Greg Clayton 9d47212194 Fix a crasher in SymbolContext::SortTypeList() where something that was iterating over a std::multimap was actually mutating the list.
<rdar://problem/23605600>

llvm-svn: 253618
2015-11-19 23:10:45 +00:00
Jason Molenda 8fe108766f Fix potential null deref; after SymbolContextSpecifier::SymbolContextMatches
has tested that sc.function is null, it would try to deref sc.function.
It should be calling sc.symbol here.

llvm-svn: 251583
2015-10-28 23:49:55 +00:00
Ravitheja Addepally 4069730c75 Testcase and fix for bug 24074
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.

-> This patch was reverted due to segfaults in
FreeBSD and Mac, I fixed the problems for both now.

Reviewers: emaste, granata.enrico, jingham, clayborg

Differential Revision: http://reviews.llvm.org/D13290

llvm-svn: 249673
2015-10-08 09:45:41 +00:00
Enrico Granata e5ffa089cc Revert 248366 "Testcase and fix for bug 24074"
This commit introduced regressions in several test cases on FreeBSD and Mac OS X

llvm-svn: 248421
2015-09-23 19:32:56 +00:00
Ravitheja Addepally 9fcf72ef9b Testcase and fix for bug 24074
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
2015-09-23 07:19:02 +00:00
Greg Clayton 99558cc424 Final bit of type system cleanup that abstracts declaration contexts into lldb_private::CompilerDeclContext and renames ClangType to CompilerType in many accessors and functions.
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
2015-08-24 23:46:31 +00:00
Pavel Labath c2f33f6754 Make stream::operator<< take "const" void *
Summary:
This enables us to avoid casts to "void *" in some cases and avoids a couple of "casts off const
qualifiers" warnings.

Reviewers: clayborg

Subscribers: lldb-commits

Differential Revision: http://reviews.llvm.org/D11388

llvm-svn: 242874
2015-07-22 07:58:17 +00:00
Greg Clayton ddaf6a7259 Make many mangled functions that might demangle a name be allowed to specify a language to use in order to soon support Pascal and Java demangling. Dawn Perchik will take care of making this so.
llvm-svn: 241751
2015-07-08 22:32:23 +00:00
Greg Clayton 358cf1ea30 Resubmitting 240466 after fixing the linux test suite failures.
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
2015-06-25 21:46:34 +00:00
Jason Molenda c980fa92eb Change the default disassembly format again. First attempt at
changing it was in r219544 - after living on that for a few 
months, I wanted to take another crack at this.

The disassembly-format setting still exists and the old format
can be user specified with a setting like

${current-pc-arrow}${addr-file-or-load}{ <${function.name-without-args}${function.concrete-only-addr-offset-no-padding}>}: 

This patch was discussed in http://reviews.llvm.org/D7578

<rdar://problem/19726421>

llvm-svn: 229186
2015-02-13 23:24:21 +00:00
Vince Harron 5275aaa0cc Moved Args::StringToXIntYZ to StringConvert::ToXIntYZ
The refactor was motivated by some comments that Greg made
http://reviews.llvm.org/D6918

and also to break a dependency cascade that caused functions linking
in string->int conversion functions to pull in most of lldb

llvm-svn: 226199
2015-01-15 20:08:35 +00:00
Greg Clayton 2501e5e2ea Modified LLDB to be able to lookup global variables by address.
This is done by adding a "Variable *" to SymbolContext and allowing SymbolFile::ResolveSymbolContext() so if an address is resolved into a symbol context, we can include the global or static variable for that address.

This means you can now find global variables that are merged globals when doing a "image lookup --verbose --address 0x1230000". Previously we would resolve a symbol and show "_MergedGlobals123 + 1234". But now we can show the global variable name.

The eSymbolContextEverything purposely does not include the new eSymbolContextVariable in its lookup since stack frame code does many lookups and we don't want it triggering the global variable lookups.

<rdar://problem/18945678> 

llvm-svn: 226084
2015-01-15 02:59:20 +00:00
Jason Molenda aff1b357b0 Add a new disassembly-format specification so that the disassembler
output style can be customized.  Change the built-in default to be
more similar to gdb's disassembly formatting.

The disassembly-format for a gdb-like output is

${addr-file-or-load} <${function.name-without-args}${function.concrete-only-addr-offset-no-padding}>: 

The disassembly-format for the lldb style output is

{${function.initial-function}{${module.file.basename}`}{${function.name-without-args}}:\n}{${function.changed}\n{${module.file.basename}`}{${function.name-without-args}}:\n}{${current-pc-arrow} }{${addr-file-or-load}}: 

The two backticks in the lldb style formatter triggers the sub-expression evaluation in
CommandInterpreter::PreprocessCommand() so you can't use that one as-is ... changing to
use ' characters instead of ` would work around that.

<rdar://problem/9885398> 

llvm-svn: 219544
2014-10-10 23:07:36 +00:00
Ed Maste d4612ad0f3 Switch NULL to C++11 nullptr in source/Symbol and source/Utility
Patch by Robert Matusewicz

llvm-svn: 206713
2014-04-20 13:17:36 +00:00
Greg Clayton 6fea17e874 "size_t" isn't always 64 bit, it is 32 bit on 32 bit systems. All printf style statements that were assuming size_t were 64 bit were changed, and they were also changed to display them as unsigned values as "size_t" isn't signed.
If you print anything with 'size_t', please cast it to "uint64_t" in the printf and use PRIu64 or PRIx64.

llvm-svn: 202738
2014-03-03 19:15:20 +00:00
Deepak Panickal 99fbc07600 Fix Windows build using portable types for formatting the log outputs
llvm-svn: 202723
2014-03-03 15:39:47 +00:00
Sylvestre Ledru 779f921311 Fix the format warnings.
In almost all cases, the misuse is about "%lu" being used instead of the correct "%zu" (even though these are compatible on 64-bit platforms in practice). There are even a couple of cases where "%ld" (ie., signed int) is used instead of "%zu", and one where "%lu" is used instead of "%" PRIu64.

Fixes bug #17551.

Patch by "/dev/humancontroller"

llvm-svn: 193832
2013-10-31 23:55:19 +00:00
Greg Clayton d8cf1a119d Huge performance improvements when one breakpoint contains many locations.
325,000 breakpoints for running "breakpoint set --func-regex ." on lldb itself (after hitting a breakpoint at main so that LLDB.framework is loaded) used to take up to an hour to set, now we are down under a minute. With warm file caches, we are at 40 seconds, and that is with setting 325,000 breakpoint through the GDB remote API. Linux and the native debuggers might be faster. I haven't timed what how much is debug info parsing and how much is the protocol traffic to/from GDB remote.

That there were many performance issues. Most of them were due to storing breakpoints in the wrong data structures, or using the wrong iterators to traverse the lists, traversing the lists in inefficient ways, and not optimizing certain function name lookups/symbol merges correctly.

Debugging after that is also now very efficient. There were issues with replacing the breakpoint opcodes in memory that was read, and those routines were also fixed.

llvm-svn: 183820
2013-06-12 00:46:38 +00:00