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...LTO this case might happen more often, where an user would have compiled LLVM just for one architecture and lld would support other architectures that LLVM would not support. c) Printing all the targets/flavors that the linker currently supports. On Oct 7, 2014, at 2:03 PM, Shankar Easwaran <shankare at codeaurora.org> wrote: >> Hi, >> >> I think lld needs to have an infrastructure as part of the build process to build specific flavors and specific targets. > This sounds like you want config-time choices (e.g. build a linker to only support ELF/x86 such as for a JIT). Y...

On 4/4/2014 3:46 AM, David Chisnall wrote: > On 3 Apr 2014, at 20:49, Shankar Easwaran <shankare at codeaurora.org> wrote: > >> b) I am not planning to write a demangler. I was planning on using abi::__cxx_demangle if there was one available and the first character in the symbol was a _. >> If MSVC was defined, we would use the Undecorate API. > The demangler that Howa...

Ping ? Do you think that we need to have an API in LinkingContext to return the next ordinal available, so that files created by passes can be assigned ordinals ? Thanks Shankar Easwaran On 10/6/2013 11:07 PM, Shankar Easwaran wrote: > In addition I think the LayoutPass std::stable_sort be replaced with > std::sort as total ordering is guaranteed as each File would get an >

...work/llvmorg/llvm-build/../tools/lld/lib/Driver/UniversalDriver.cpp:207:12 #13 0x421e76 main /usr2/seaswara/work/llvmorg/llvm-build/../tools/lld/tools/lld/lld.cpp:35:10 #14 0x7fd12586876d __libc_start_main /build/buildd/eglibc-2.15/csu/libc-start.c:258:0 #15 0x421d35 _start (/local/mnt/workspace/shankare/work/llvmorg/llvm-build/bin/lld+0x421d35) Stack dump: 0. Program arguments: lld /out:/local/mnt/workspace/shankare/work/llvmorg/llvm-build/tools/lld/test/pecoff/Output/export.test.tmp5.dll /dll /entry:init /export:exportfn7 -- /local/mnt/workspace/shankare/work/llvmorg/llvm-build/tools/lld/...

...nion. On 8/14/2013 4:44 PM, Dan Gohman wrote: > Would it be appropriate for lld's other output to go to standard error > instead of standard output, since standard output may be used for YAML > output? > > Dan > > On Wed, Aug 14, 2013 at 12:53 PM, Shankar Easwaran > <shankare at codeaurora.org>wrote: > >> Hi Dan, >> >> lld takes a -emit-yaml option, which emits the intermediate >> representation(atoms) in YAML form. >> >> By default output goes to stdout, the user can control it by using the -o >> option too. >> >...

On 10/4/2013 11:16 PM, Michael Spencer wrote: > On Fri, Oct 4, 2013 at 8:50 PM, Shankar Easwaran <shankare at codeaurora.org>wrote: > >> Hi, >> >> It is needed that lld verifies the input to the linker. >> >> For example : a x86 ELF file can be given to lld when the target is >> x86_64. Similiarly with other flavors. >> >> I was thinking to have a va...

...lient spoilt the whole email, will create a pdf and send it. >> >> On 9/20/2013 7:00 PM, Shankar Easwaran wrote: >>> Hi Nick, >>> >>> On 9/20/2013 5:59 PM, Nick Kledzik wrote: >>>> On Sep 20, 2013, at 3:42 PM, Shankar Easwaran >>>> <shankare at codeaurora.org> wrote: >>>>> nextFile could pass the current resolver state at the time when >>>>> its called, the linkingcontext can return the next file to be >>>>> processed as below :- >>>>> >>>>> nextFile(curren...

...waran wrote: > My email client spoilt the whole email, will create a pdf and send it. > > On 9/20/2013 7:00 PM, Shankar Easwaran wrote: >> Hi Nick, >> >> On 9/20/2013 5:59 PM, Nick Kledzik wrote: >>> On Sep 20, 2013, at 3:42 PM, Shankar Easwaran >>> <shankare at codeaurora.org> wrote: >>>> nextFile could pass the current resolver state at the time when its >>>> called, the linkingcontext can return the next file to be processed >>>> as below :- >>>> >>>> nextFile(currentResolverState) :- &...

...ation. > > 2 and 3 conflicts. > > I should note that, again, I don't actually like the idea of YAML/Native > format, though. It feels like it doesn't worth the cost of maintaining two > more different outputs. > > On Mon, Dec 1, 2014 at 12:20 PM, Shankar Easwaran <shankare at codeaurora.org> > wrote: > >> Hi Rui, >> >> We discussed to add a new property to the atom, but its really not needed >> as the original filename from where the atom was parsed is available in >> release mode(roundtrip passes dont get called in release mode...

The --as-needed attribute is preserved and is contained within the ELF FileNode. By lld::files, I am referring to lld::File. Thanks Shankar Easwaran On 9/4/2013 4:10 PM, Rui Ueyama wrote: > On Wed, Sep 4, 2013 at 2:03 PM, Shankar Easwaran <shankare at codeaurora.org>wrote: > >> Yes, the Group is to represent --start-group,--end-group. >> >> So the group here will be contained in the linker Input as a vector of >> lld::files (foo.a, bar.a). > > It seems you dropped --as-needed attribute... ? > > By lld...

...-linux-bootstrap) that > does a number of things including running llvm/clang tests under ASan/MSan. > Probably we can add a couple of steps that would checkout lld and run > check-lld in ASan-ified/MSan-ified build trees. > > > On Mon, Sep 9, 2013 at 9:00 AM, Shankar Easwaran <shankare at codeaurora.org> > wrote: >> >> On 9/8/2013 11:48 PM, Chandler Carruth wrote: >>> >>> On Sun, Sep 8, 2013 at 9:29 PM, Shankar Easwaran >>> <shankare at codeaurora.org>wrote: >>> >>>> Do you know if llvm itself gets tested as...

Could you elaborate a bit about the issue that you are trying to solve with this suggestion? On Tue, Apr 1, 2014 at 9:27 PM, Shankar Easwaran <shankare at codeaurora.org>wrote: > Hi Nick, Bigcheese, > > Resurrecting a old thread. > > Now since we have a Registry that models Readers, do we want to have a > function in the Registry that evaluates whether a file should be parsed > into atoms (or) raise an appropriate error ?...

On Mon, Oct 14, 2013 at 8:41 PM, Michael Spencer <bigcheesegs at gmail.com>wrote: > On Wed, Oct 9, 2013 at 11:23 AM, Shankar Easwaran <shankare at codeaurora.org > > wrote: > >> Hi, >> >> We have a whole bunch of readers(we would have some more too), and was >> thinking if we should have a vector of Readers, and have a function >> isMyFormat in each of them. >> >> Any reader that knows to...

On 11/04/2013 11:15 AM, Eric Christopher wrote: > > > > On Mon, Nov 4, 2013 at 11:05 AM, Shankar Easwaran > <shankare at codeaurora.org <mailto:shankare at codeaurora.org>> wrote: > > Hi, > > I was looking at the ARM ABI > docs(http://infocenter.arm.__com/help/topic/com.arm.doc.__ihi0044e/IHI0044E_aaelf.pdf > <http://infocenter.arm.com/help/topic/com.arm.doc.ihi0044e/I...

On Mon, Oct 14, 2013 at 11:33 PM, Shankar Easwaran <shankare at codeaurora.org>wrote: > On 10/14/2013 8:20 PM, Sean Silva wrote: > >> On Mon, Oct 14, 2013 at 8:41 PM, Michael Spencer <bigcheesegs at gmail.com >> >wrote: >> >> On Wed, Oct 9, 2013 at 11:23 AM, Shankar Easwaran < >>> shankare at codeaurora.or...

...put in the latter case. > > For example, if the following command line options are given, how it's > represented with LinkerInput, Group and File? > > --start-group foo.a --as-needed bar.a --no-as-needed --end-group > > On Wed, Sep 4, 2013 at 1:42 PM, Shankar Easwaran <shankare at codeaurora.org>wrote: > >> Hi, >> >> With the inputGraph now, lld models command line options, input files as >> nodes in the InputGraph called InputElements. >> >> In the current approach, each InputElement is converted to a LinkerInput, >> which...

On 10/14/2013 8:20 PM, Sean Silva wrote: > On Mon, Oct 14, 2013 at 8:41 PM, Michael Spencer <bigcheesegs at gmail.com>wrote: > >> On Wed, Oct 9, 2013 at 11:23 AM, Shankar Easwaran <shankare at codeaurora.org >>> wrote: >>> Hi, >>> >>> We have a whole bunch of readers(we would have some more too), and was >>> thinking if we should have a vector of Readers, and have a function >>> isMyFormat in each of them. >>> >>>...

...andard error is what many tools, including clang for example, use for their --verbose output. This is appropriate because it leaves standard output available for regular output data, which the user may wish to capture in a file or a pipe. Dan On Wed, Aug 14, 2013 at 2:48 PM, Shankar Easwaran <shankare at codeaurora.org>wrote: > Hi Dan, > > The other messages, need to go to stdout as well. Using stderr to output > for a switch like --verbose is wrong in my opinion. > > > On 8/14/2013 4:44 PM, Dan Gohman wrote: > >> Would it be appropriate for lld's other outp...

On 9/8/2013 11:48 PM, Chandler Carruth wrote: > On Sun, Sep 8, 2013 at 9:29 PM, Shankar Easwaran <shankare at codeaurora.org>wrote: > >> Do you know if llvm itself gets tested as a complete build with the >> fsanitize options ? >> >> Enabling tsan seems to be a good idea too. >> > We test it very regularly with all of the sanitizers. We've not been able > to...

On Sun, Oct 6, 2013 at 7:38 PM, Shankar Easwaran <shankare at codeaurora.org>wrote: > On 10/4/2013 11:16 PM, Michael Spencer wrote: > >> On Fri, Oct 4, 2013 at 8:50 PM, Shankar Easwaran <shankare at codeaurora.org >> >**wrote: >> >> Hi, >>> >>> It is needed that lld verifies the input to the linker...