platform/upstream/libffi.git
8 years agoMerge pull request #197 from foxsen/mips_go_closure
Anthony Green [Sat, 20 Feb 2016 11:44:28 +0000 (06:44 -0500)]
Merge pull request #197 from foxsen/mips_go_closure

Mips go closure support

8 years agoMerge pull request #193 from rth7680/fix-70
Anthony Green [Sat, 20 Feb 2016 11:43:48 +0000 (06:43 -0500)]
Merge pull request #193 from rth7680/fix-70

Test case from issue #70

8 years agoMerge pull request #206 from edolnx/master
Anthony Green [Sat, 20 Feb 2016 11:43:28 +0000 (06:43 -0500)]
Merge pull request #206 from edolnx/master

Add configure flag to disable multi-os-directory support

8 years agoMerge pull request #211 from tromey/move-prep-types-out-of-ffi.h
Anthony Green [Sat, 20 Feb 2016 11:41:10 +0000 (06:41 -0500)]
Merge pull request #211 from tromey/move-prep-types-out-of-ffi.h

ffi_prep_types is internal-only

8 years agoMerge pull request #213 from tromey/remove-FFI_TYPE
Anthony Green [Sat, 20 Feb 2016 11:40:21 +0000 (06:40 -0500)]
Merge pull request #213 from tromey/remove-FFI_TYPE

remove FFI_TYPE typedef

8 years agoMerge pull request #214 from tromey/document-enum-support
Anthony Green [Sat, 20 Feb 2016 11:40:03 +0000 (06:40 -0500)]
Merge pull request #214 from tromey/document-enum-support

document (lack of) enum handling in libffi

8 years agoMerge pull request #205 from filbranden/tool_opts
Anthony Green [Sat, 20 Feb 2016 11:38:40 +0000 (06:38 -0500)]
Merge pull request #205 from filbranden/tool_opts

Fix dejagnu test support for --tool_opts

8 years agoMerge pull request #225 from ehsan/safeseh
Anthony Green [Sat, 20 Feb 2016 11:38:01 +0000 (06:38 -0500)]
Merge pull request #225 from ehsan/safeseh

Don't clobber safeseh for msvcc.sh -clang-cl in 32-bit mode

8 years agoFix dejagnu test support for --tool_opts
Filipe Brandenburger [Mon, 19 Oct 2015 22:33:23 +0000 (15:33 -0700)]
Fix dejagnu test support for --tool_opts

Right now it concatenates it with the existing options and then appends
it to that list, fix it to simply append it as is, same as it is done
with the other variables.

Tested by running the following command which includes gcc options:
  $ make check RUNTESTFLAGS="--tool_opts '-Werror'"

Without this patch, all the tests fail. With it, the test succeed.
Inspecting the logs shows that -Werror was indeed used when compiling
the test sources.

8 years agoDon't clobber safeseh for msvcc.sh -clang-cl in 32-bit mode
Ehsan Akhgari [Thu, 28 Jan 2016 21:57:18 +0000 (16:57 -0500)]
Don't clobber safeseh for msvcc.sh -clang-cl in 32-bit mode

The commit fb25cd0 went a bit too far and removed safeseh
when -clang-cl was passed, but that's only needed in x86-64
which is already handled by the -m64 flag.

I discovered this when building Firefox x86 with clang-cl.

8 years agoMerge pull request #222 from freakboy3742/t181
Anthony Green [Sun, 3 Jan 2016 01:03:41 +0000 (20:03 -0500)]
Merge pull request #222 from freakboy3742/t181

Fixed #181 -- Corrected problems with ARMv7 build under iOS.

8 years agoMerge pull request #224 from plicease/travis
Anthony Green [Sat, 2 Jan 2016 21:44:29 +0000 (16:44 -0500)]
Merge pull request #224 from plicease/travis

update apt-get in travis

8 years agoupdate apt-get in travis
Graham Ollis [Sat, 2 Jan 2016 12:56:05 +0000 (07:56 -0500)]
update apt-get in travis

8 years agoMerge branch 'master' into t181
Russell Keith-Magee [Sun, 20 Dec 2015 16:37:37 +0000 (00:37 +0800)]
Merge branch 'master' into t181

8 years agoFixed #181 -- Corrected problems with ARMv7 build under iOS.
Russell Keith-Magee [Sun, 20 Dec 2015 16:37:06 +0000 (00:37 +0800)]
Fixed #181 -- Corrected problems with ARMv7 build under iOS.

Based on a patch from @fealebenpae, with input from @SolaWing and @rth7680,
and testing from @superdump.

8 years agoMerge pull request #221 from tromey/document-closure-ffi_arg
Anthony Green [Fri, 18 Dec 2015 15:24:38 +0000 (10:24 -0500)]
Merge pull request #221 from tromey/document-closure-ffi_arg

Document closure ffi arg

8 years agocorrectly document closure return promotion
Tom Tromey [Thu, 17 Dec 2015 23:58:10 +0000 (16:58 -0700)]
correctly document closure return promotion

8 years agofix formatting of ffi_prep_closure_loc arguments
Tom Tromey [Thu, 17 Dec 2015 23:51:32 +0000 (16:51 -0700)]
fix formatting of ffi_prep_closure_loc arguments

8 years agodocument (lack of) enum handling in libffi
Tom Tromey [Thu, 19 Nov 2015 22:21:14 +0000 (15:21 -0700)]
document (lack of) enum handling in libffi

8 years agoremove FFI_TYPE typedef
Tom Tromey [Thu, 19 Nov 2015 21:17:42 +0000 (14:17 -0700)]
remove FFI_TYPE typedef

8 years agoffi_prep_types is internal-only
Tom Tromey [Thu, 12 Nov 2015 04:34:43 +0000 (21:34 -0700)]
ffi_prep_types is internal-only

8 years agospeling fix
Anthony Green [Sun, 15 Nov 2015 13:39:17 +0000 (08:39 -0500)]
speling fix

8 years agoMerge pull request #209 from tromey/documentation-updates
Anthony Green [Sun, 15 Nov 2015 13:36:48 +0000 (08:36 -0500)]
Merge pull request #209 from tromey/documentation-updates

documentation fixes

8 years agoMerge pull request #207 from tromey/deprecate-ffi-prep-closure
Anthony Green [Sun, 15 Nov 2015 13:33:46 +0000 (08:33 -0500)]
Merge pull request #207 from tromey/deprecate-ffi-prep-closure

mark ffi_prep_closure as deprecated

9 years agodocumentation fixes
Tom Tromey [Sat, 7 Nov 2015 19:01:06 +0000 (12:01 -0700)]
documentation fixes

Fixes #78.  Documentation for #33 and #35, but no fix.

9 years agomark ffi_prep_closure as deprecated
Tom Tromey [Sat, 7 Nov 2015 18:45:04 +0000 (11:45 -0700)]
mark ffi_prep_closure as deprecated

9 years agoAdd configure flag to disable multi-os-directory support
Carl Perry [Fri, 30 Oct 2015 03:50:42 +0000 (22:50 -0500)]
Add configure flag to disable multi-os-directory support

In some environments, installing the library to GCC's
multi-os-directory is not perferable. This patch adds a switch
to configure "--disable-multi-os-directory" which will disable
that check, typically falling back to ${libdir} unless
cross-compiling.

Original patch was written by Stewart Brodie, and was found at
https://sourceware.org/ml/libffi-discuss/2013/msg00144.html

I've just updated it to work with the current version.

9 years agoTidy call.exp test collection
Richard Henderson [Sat, 25 Jul 2015 21:29:15 +0000 (14:29 -0700)]
Tidy call.exp test collection

Commit c952a92e20aa6013d8202d0b3fa1d87838c83054 moved all of
the complex tests to libffi.complex, but failed to remove the
anti-globbing from libffi.call.

9 years agoTest case from Issue #70
Richard Henderson [Sat, 25 Jul 2015 19:42:04 +0000 (12:42 -0700)]
Test case from Issue #70

9 years agoMerge pull request #202 from tromey/note-prep-cif-var-usage
Anthony Green [Sun, 11 Oct 2015 14:54:50 +0000 (10:54 -0400)]
Merge pull request #202 from tromey/note-prep-cif-var-usage

document that there must be ntotalargs types

9 years agoMerge pull request #201 from tromey/fix-texinfo-buglet
Anthony Green [Sun, 11 Oct 2015 14:54:22 +0000 (10:54 -0400)]
Merge pull request #201 from tromey/fix-texinfo-buglet

Add missing "@" to @var{}

9 years agodocument that there must be ntotalargs types
Tom Tromey [Tue, 6 Oct 2015 17:42:43 +0000 (11:42 -0600)]
document that there must be ntotalargs types

9 years agoAdd missing "@" to @var{}
Tom Tromey [Mon, 5 Oct 2015 16:20:05 +0000 (10:20 -0600)]
Add missing "@" to @var{}

9 years agofix type error in unwind code
Zhang Fuxin [Wed, 26 Aug 2015 01:57:10 +0000 (09:57 +0800)]
fix type error in unwind code

9 years agoadd unwind infor for *go_closure;
foxsen [Thu, 20 Aug 2015 12:28:13 +0000 (20:28 +0800)]
add unwind infor for *go_closure;
reorder the labels to make thing more clear

9 years agofix O32 stack unwind code
Zhang Fuxin [Tue, 11 Aug 2015 04:47:36 +0000 (12:47 +0800)]
fix O32 stack unwind code
add missing 1: label

9 years agovarious fixes for go closure support. Now all n64 tests passed.
foxsen [Tue, 4 Aug 2015 10:25:34 +0000 (18:25 +0800)]
various fixes for go closure support. Now all n64 tests passed.

9 years agoadd support for go closure support on mips
foxsen [Tue, 4 Aug 2015 04:53:33 +0000 (12:53 +0800)]
add support for go closure support on mips

9 years agoModified arm/sysv.S to remove directives not allowed by clang.
Russell Keith-Magee [Sat, 25 Apr 2015 11:03:03 +0000 (19:03 +0800)]
Modified arm/sysv.S to remove directives not allowed by clang.

9 years agoMerge pull request #185 from freakboy3742/t184
Anthony Green [Mon, 30 Mar 2015 01:38:26 +0000 (21:38 -0400)]
Merge pull request #185 from freakboy3742/t184

Fixed #184 -- Corrected source file references in Darwin source generator tool.

9 years agoMerge pull request #186 from freakboy3742/gitignore
Anthony Green [Mon, 30 Mar 2015 01:38:12 +0000 (21:38 -0400)]
Merge pull request #186 from freakboy3742/gitignore

Added generated source file to .gitignore.

9 years agoAdded generated source file to .gitignore.
Russell Keith-Magee [Fri, 13 Mar 2015 00:03:13 +0000 (08:03 +0800)]
Added generated source file to .gitignore.

9 years agoFixed #184 -- Corrected file references in Darwin source generator tool.
Russell Keith-Magee [Thu, 12 Mar 2015 23:59:11 +0000 (07:59 +0800)]
Fixed #184 -- Corrected file references in Darwin source generator tool.

9 years agoMerge pull request #178 from rth7680/aa64-ilp32
Anthony Green [Wed, 4 Mar 2015 18:58:04 +0000 (13:58 -0500)]
Merge pull request #178 from rth7680/aa64-ilp32

aarch64: Handle ILP32 ABI

9 years agoaarch64: Handle ILP32 ABI
Andrew Pinski [Wed, 11 Feb 2015 16:31:48 +0000 (08:31 -0800)]
aarch64: Handle ILP32 ABI

9 years agoMerge pull request #176 from 0-wiz-0/master
Anthony Green [Thu, 29 Jan 2015 12:22:23 +0000 (07:22 -0500)]
Merge pull request #176 from 0-wiz-0/master

Handle NetBSD/powerpc the same as FreeBSD and OpenBSD.

9 years agoHandle NetBSD/powerpc the same as FreeBSD and OpenBSD.
Thomas Klausner [Thu, 29 Jan 2015 11:32:28 +0000 (12:32 +0100)]
Handle NetBSD/powerpc the same as FreeBSD and OpenBSD.

Signed-off-by: Thomas Klausner <wiz@NetBSD.org>
9 years agoRemove incomplete sentence
Anthony Green [Wed, 28 Jan 2015 23:08:06 +0000 (18:08 -0500)]
Remove incomplete sentence

9 years agoMerge pull request #175 from rth7680/sparc
Anthony Green [Wed, 28 Jan 2015 23:03:57 +0000 (18:03 -0500)]
Merge pull request #175 from rth7680/sparc

sparc: Re-introduce hand-written unwind info

9 years agoMerge pull request #174 from rth7680/fbsd
Anthony Green [Wed, 28 Jan 2015 23:03:06 +0000 (18:03 -0500)]
Merge pull request #174 from rth7680/fbsd

configure: Run HAVE_AS_X86_PCREL for all X86 targets

9 years agosparc: Re-introduce hand-written unwind info
Richard Henderson [Mon, 26 Jan 2015 20:43:57 +0000 (12:43 -0800)]
sparc: Re-introduce hand-written unwind info

Fixes the build with the Solaris assembler.

9 years agoconfigure: Run HAVE_AS_X86_PCREL for all X86 targets
Richard Henderson [Wed, 28 Jan 2015 06:10:12 +0000 (22:10 -0800)]
configure: Run HAVE_AS_X86_PCREL for all X86 targets

9 years agoMerge pull request #170 from fealebenpae/aarch64-trampoline-table
Anthony Green [Wed, 21 Jan 2015 10:55:47 +0000 (05:55 -0500)]
Merge pull request #170 from fealebenpae/aarch64-trampoline-table

Support closures on ARM64 iOS

9 years agoMerge pull request #172 from rth7680/fixes
Anthony Green [Wed, 21 Jan 2015 10:53:21 +0000 (05:53 -0500)]
Merge pull request #172 from rth7680/fixes

x86: Fix cygwin32 build

9 years agox86: Fix cygwin32 build
Richard Henderson [Mon, 19 Jan 2015 19:48:40 +0000 (20:48 +0100)]
x86: Fix cygwin32 build

The section syntax is just that little bit different.

9 years agoMerge pull request #171 from rth7680/fixes
Anthony Green [Fri, 16 Jan 2015 22:32:07 +0000 (17:32 -0500)]
Merge pull request #171 from rth7680/fixes

Fixes from mainline gcc

9 years agosparc: Also mark the return address in unwind info
Richard Henderson [Fri, 16 Jan 2015 21:30:05 +0000 (13:30 -0800)]
sparc: Also mark the return address in unwind info

9 years agosparc: Solaris fixes, part 2
Richard Henderson [Fri, 16 Jan 2015 19:40:33 +0000 (11:40 -0800)]
sparc: Solaris fixes, part 2

/bin/as seems to only understand single-digit labels
/bin/as knows nothing about .rept/.endr

9 years agosparc: Solaris fixes
Rainer Orth [Fri, 16 Jan 2015 19:32:23 +0000 (11:32 -0800)]
sparc: Solaris fixes

* /bin/as requires .type fn,#function instead of @function.
* /bin/as doesn't support .macro/.endm.  I'm using preprocessor macros
  instead to implement E in src/sparc/v[89].S.

9 years agox86: Solaris fixes
Rainer Orth [Fri, 16 Jan 2015 19:31:37 +0000 (11:31 -0800)]
x86: Solaris fixes

* Solaris/x86 /bin/as doesn't support .org, so I've just disabled the
  uses in src/x86/{sysv, unix64}.S, as on Darwin.
* Solaris/x86 needs to use EH_FRAME_FLAGS so manually and compiler
  generated .eh_frame sections match, otherwise libffi.so fails to link:
* Solaris/x86 /bin/as has different COMDAT syntax; I've disabled it for
  the moment.

9 years agoaarch64: implement the trampoline table workaround for ffi closures on Apple systems
Yavor Georgiev [Fri, 16 Jan 2015 13:19:38 +0000 (15:19 +0200)]
aarch64: implement the trampoline table workaround for ffi closures on Apple systems

This is a direct copy/paste port of the ARM code, with changes because of Aarch64 pc-relative addressing restrictions.

9 years agoaarch64: rewrite range syntax into list to appease Clang
Yavor Georgiev [Fri, 16 Jan 2015 13:18:04 +0000 (15:18 +0200)]
aarch64: rewrite range syntax into list to appease Clang

Clang's assembler in Xcode 6 appears to choke when the operand of st4 is a range, but is happy with a list.

9 years agoNew test case for old aarch64 bug
Anthony Green [Tue, 13 Jan 2015 20:44:03 +0000 (15:44 -0500)]
New test case for old aarch64 bug

9 years agoRemove extra brackets in configure.host
Richard Henderson [Tue, 13 Jan 2015 15:23:48 +0000 (07:23 -0800)]
Remove extra brackets in configure.host

This table is no longer in configure.ac, needing
protection from m4.

9 years agox86: Fix thinko in ffi_raw_call
Richard Henderson [Tue, 13 Jan 2015 15:22:07 +0000 (07:22 -0800)]
x86: Fix thinko in ffi_raw_call

Missed structure initialization for raw path.
Apparently there are no tests for this outside gcc.

9 years agoMerge pull request #166 from chevah/master
Anthony Green [Sat, 10 Jan 2015 14:25:26 +0000 (09:25 -0500)]
Merge pull request #166 from chevah/master

Fix expr error in Solaris 10 when using gcc.

9 years agoMerge pull request #165 from rth7680/pcc
Anthony Green [Sat, 10 Jan 2015 14:23:30 +0000 (09:23 -0500)]
Merge pull request #165 from rth7680/pcc

Support PCC as producer and consumer

9 years agoMerge pull request #164 from rth7680/darwin
Anthony Green [Sat, 10 Jan 2015 14:22:55 +0000 (09:22 -0500)]
Merge pull request #164 from rth7680/darwin

Fix build on darwin

9 years agoMerge pull request #160 from nobu/msvc-no-complex
Anthony Green [Sat, 10 Jan 2015 14:22:42 +0000 (09:22 -0500)]
Merge pull request #160 from nobu/msvc-no-complex

x86: MSVC does not support Complex type

9 years agoMerge pull request #159 from nobu/fix-void-arith
Anthony Green [Sat, 10 Jan 2015 14:21:37 +0000 (09:21 -0500)]
Merge pull request #159 from nobu/fix-void-arith

x86: Fix void pointer arithmetic

9 years agoFix expr error in Solaris 10 when using gcc.
Mișu Moldovan [Wed, 7 Jan 2015 15:51:07 +0000 (17:51 +0200)]
Fix expr error in Solaris 10 when using gcc.

9 years agox86: Avoid fastcall when building with pcc
Richard Henderson [Mon, 5 Jan 2015 21:03:06 +0000 (13:03 -0800)]
x86: Avoid fastcall when building with pcc

Apparently, PCC doesn't support the fastcall calling convention.
Nor does it issue a warning or error for the attribute that it
does not understand.

9 years agox86: Load structure return address into eax
Richard Henderson [Thu, 25 Dec 2014 00:03:34 +0000 (16:03 -0800)]
x86: Load structure return address into eax

9 years agox86: Reinstate hand-written unwind info for sysv.S
Richard Henderson [Wed, 10 Dec 2014 21:37:36 +0000 (13:37 -0800)]
x86: Reinstate hand-written unwind info for sysv.S

9 years agox86: Expand FFI_GO_CLOSURE
Richard Henderson [Wed, 10 Dec 2014 17:43:58 +0000 (09:43 -0800)]
x86: Expand FFI_GO_CLOSURE

If we're going to have to hand-write unwind info for darwin,
these macros make the job harder.

9 years agox86: More Darwin unwind fixups
Iain Sandoe [Tue, 25 Nov 2014 10:43:40 +0000 (11:43 +0100)]
x86: More Darwin unwind fixups

EHFrame{N} IIRC is a special cue to ld64 that it should treat the unwind
in the object as "special/legacy" .. [these days everything is .cfi_xxxx
(except, cctools-as, as you noted)] .. without that much confusion arises
with ld64's atom-isation of the eh_frame section.

xxxx.eh labels are not needed for darwin ld64 >= 85.2.1 (i.e. darwin9,
xcode 3.1.4) to all intents and purposes, that's all that matters now,
since I think that anyone trying to build on 10.4/darwin8/xcode2.5 would
have to use a later ld64 (from odcctools) for other reasons.

9 years agox86: Reinstate hand-written unwind info for unix64.S
Richard Henderson [Tue, 25 Nov 2014 08:27:54 +0000 (09:27 +0100)]
x86: Reinstate hand-written unwind info for unix64.S

One more try to get default Darwin to work.

9 years agox86: Avoid using gas local labels
Richard Henderson [Mon, 24 Nov 2014 15:26:50 +0000 (16:26 +0100)]
x86: Avoid using gas local labels

Which are unsupported by Darwin cctools as.
Thankfully this doesn't uglify the source too much.

9 years agox86: Remove use of .cfi_escape
Richard Henderson [Mon, 24 Nov 2014 12:02:03 +0000 (13:02 +0100)]
x86: Remove use of .cfi_escape

The unwind info isn't 100% correct at all points during the epilogue,
and not annotating is just as incorrect as the annotation.  This works
better on systems that do not support DW_OP_call_frame_cfa.

9 years agox86: Honor alignment of arguments
Richard Henderson [Mon, 24 Nov 2014 11:55:43 +0000 (12:55 +0100)]
x86: Honor alignment of arguments

Darwin aligns long-double to 16, and thus all of the long double
tests were failing due to not honoring that.  We ought to be able
to devise a test case for GCC using __attribute__((aligned)) that
would have failed too.

9 years agox86: Use .balign not .align
Richard Henderson [Mon, 24 Nov 2014 10:24:02 +0000 (11:24 +0100)]
x86: Use .balign not .align

The Apple assembler defaults to power of two alignment, rather than
byte alignment like everyone else.  Force byte alignment by using
the proper directive.

9 years agox86: Disable .org for Darwin
Richard Henderson [Mon, 24 Nov 2014 09:42:02 +0000 (10:42 +0100)]
x86: Disable .org for Darwin

9 years agox86: Best guess at update for Darwin
Richard Henderson [Sat, 22 Nov 2014 19:02:43 +0000 (20:02 +0100)]
x86: Best guess at update for Darwin

9 years agox86: MSVC does not support Complex type
Nobuyoshi Nakada [Mon, 22 Dec 2014 08:14:40 +0000 (17:14 +0900)]
x86: MSVC does not support Complex type

9 years agox86: Fix void pointer arithmetic
Nobuyoshi Nakada [Mon, 22 Dec 2014 08:08:08 +0000 (17:08 +0900)]
x86: Fix void pointer arithmetic

9 years agoMerge pull request #158 from rth7680/s390
Anthony Green [Sat, 20 Dec 2014 15:20:40 +0000 (10:20 -0500)]
Merge pull request #158 from rth7680/s390

S390

9 years agos390: Inline and tidy ffi_prep_args
Richard Henderson [Fri, 19 Dec 2014 16:38:17 +0000 (11:38 -0500)]
s390: Inline and tidy ffi_prep_args

As per discussion with Ulrich Weigand, document the restrictions
on the code within ffi_call_int as we simultaneously prepare
stack frames for ffi_call_SYSV and the target function.

9 years agos390: Use pc-relative insns in 31-bit mode
Richard Henderson [Thu, 18 Dec 2014 21:21:07 +0000 (16:21 -0500)]
s390: Use pc-relative insns in 31-bit mode

It's silly to stick to esa/390 features when the compiler won't.
Detect when brasl and larl are used by the compiler and then use
them in the assembly.

9 years agos390: Reorganize assembly
Richard Henderson [Thu, 18 Dec 2014 21:01:59 +0000 (16:01 -0500)]
s390: Reorganize assembly

Avoid using ffi_prep_args as a callback; do all the work setting
up the frame within ffi_call_int directly.  Save fewer registers
in ffi_closure_SYSV.

9 years agos390: Avoid aliasing warnings
Richard Henderson [Thu, 18 Dec 2014 21:01:15 +0000 (16:01 -0500)]
s390: Avoid aliasing warnings

9 years agos390: Kill trailing whitespace
Richard Henderson [Wed, 17 Dec 2014 18:24:03 +0000 (13:24 -0500)]
s390: Kill trailing whitespace

9 years agos390: Go closure support
Dominik Vogt [Wed, 17 Dec 2014 18:20:51 +0000 (13:20 -0500)]
s390: Go closure support

9 years agoMerge pull request #157 from rth7680/x86
Anthony Green [Fri, 12 Dec 2014 15:13:56 +0000 (10:13 -0500)]
Merge pull request #157 from rth7680/x86

Two fixes for x86

9 years agoMerge pull request #156 from rth7680/sparc
Anthony Green [Fri, 12 Dec 2014 15:13:27 +0000 (10:13 -0500)]
Merge pull request #156 from rth7680/sparc

sparc: Define FFI_TARGET_SPECIFIC_VARIADIC for v9

9 years agox86: Handle void arguments as if an empty structure
Richard Henderson [Thu, 11 Dec 2014 22:16:00 +0000 (14:16 -0800)]
x86: Handle void arguments as if an empty structure

Since libffi currently doesn't allow empty structures, libgo
currently maps them to ffi_type_void.  Given that we'll abort
on this case, handle it gracefully.

9 years agox86: Fix some unwind errors
Richard Henderson [Wed, 10 Dec 2014 21:25:14 +0000 (13:25 -0800)]
x86: Fix some unwind errors

9 years agoFix for https://github.com/atgreen/libffi/issues/141
James Greenhalgh [Sun, 7 Dec 2014 04:58:41 +0000 (23:58 -0500)]
Fix for https://github.com/atgreen/libffi/issues/141

9 years agoMerge pull request #151 from amodra/master
Anthony Green [Thu, 20 Nov 2014 02:13:50 +0000 (21:13 -0500)]
Merge pull request #151 from amodra/master

powerpc: go closures for linux

9 years agopowerpc: Fix ffi_go_closure_linux64
Richard Henderson [Tue, 18 Nov 2014 02:26:58 +0000 (12:56 +1030)]
powerpc: Fix ffi_go_closure_linux64

Unlike ffi_closure_LINUX64, this entry point is called normally,
so we already have the TOC in R2 and the closure in R11.

* powerpc/linux64_closure.S (ffi_closure_LINUX64): Remove a
register dependency chain.
(ffi_go_closure_linux64): Don't load r11 or r2.

9 years agoGO closures for powerpc linux
Alan Modra [Sun, 9 Nov 2014 23:12:31 +0000 (09:42 +1030)]
GO closures for powerpc linux

Plus .cfi async unwind info, rearrangement of ffi_call_linux64 and
ffi_call_SYSV function params to avoid register copies, tweaks to
trampolines.

* src/powerpc/ffitarget.h (FFI_GO_CLOSURES): Define.
* src/powerpc/ffi.c (ffi_call_int): New function with extra
closure param, and args rearranged on ffi_call_linux64 and
ffi_call_SYSV calls, extracted from ..
(ffi_call): ..here.
(ffi_call_go, ffi_prep_go_closure): New functions.
* src/powerpc/ffi_linux64.c (ffi_prep_closure_loc_linux64): Make
hidden.  Only flush insn part of ELFv2 trampoline.  Don't shuffle
ELFv1 trampoline.
(ffi_closure_helper_LINUX64): Replace closure param with cif, fun,
user_data params.
* src/powerpc/ffi_powerpc.h (ffi_go_closure_sysv): Declare.
(ffi_go_closure_linux64): Declare.
(ffi_call_SYSV, fi_call_LINUX64): Update.
(ffi_prep_closure_loc_sysv, ffi_prep_closure_loc_linux64): Declare.
(ffi_closure_helper_SYSV, ffi_closure_helper_LINUX64): Update.
* src/powerpc/ffi_sysv.c (ASM_NEEDS_REGISTERS): Increase to 6.
(ffi_prep_closure_loc_sysv): Use bcl in trampoline, put data words
last, flush just the insn part.
(ffi_closure_helper_SYSV): Replace closure param with cif, fun and
user_data params.
* src/powerpc/linux64.S (ffi_call_LINUX64): Replace hand-written
.eh_frame with .cfi directives.  Adjust for changed param order.
Pass extra "closure" param to user function in static chain.  Add
.cfi directives to describe epilogue.  Don't provide traceback
table for ELFv2 or _CALL_LINUX.
* src/powerpc/linux64_closure.S (ffi_closure_LINUX64): Replace
hand-written .eh_frame with .cfi directives.  Adjust for changed
ffi_closure_helper_LINUX64 params.  Add .cfi directives to
describe epilogue.  Don't provide traceback table for ELFv2 or
_CALL_LINUX.
(ffi_go_closure_linux64): New function.
* src/powerpc/sysv.S: Remove redundant .globl ffi_prep_args_SYSV.
(ffi_call_SYSV): Make hidden.  Replace hand-written .eh_frame with
.cfi directives.  Adjust for changed params.  Pass extra "closure"
param to user function in static chain.  Add .cfi directives to
describe epilogue.
* src/powerpc/ppc_closure.S (ffi_closure_SYSV): Make hidden.
Replace hand-written .eh_frame with .cfi directives.  Adjust for
changed ffi_closure_helper_SYSV params.  Add .cfi directives to
describe epilogue.  Don't just use nops in the dead __NO_FPRS__
epilogues.
(ffi_go_closure_sysv): New function.