|
76c0cfea
|
2019-11-29T14:46:11
|
|
Fixed missed #ifndef for __mips_soft_float (#442)
Thank you!
|
|
6663047f
|
2019-11-29T07:00:35
|
|
Address platforms with no __int128.
|
|
01a75ed7
|
2019-11-28T12:42:41
|
|
powerpc: fix build failure on power7 and older (#532)
Build failure looks as:
```
libtool: compile: powerpc-unknown-linux-gnu-gcc \
-O2 -mcpu=powerpc -mtune=powerpc -pipe ... -c src/powerpc/ffi.c ...
In file included from src/powerpc/ffi.c:33:
src/powerpc/ffi_powerpc.h:65:9: error: '__int128' is not supported on this target
65 | typedef __int128 float128;
| ^~~~~~~~
```
The fix avoids using __int128 in favour of aligned char[16].
Closes: https://github.com/libffi/libffi/issues/531
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
|
|
|
31543c79
|
2019-11-20T06:15:55
|
|
Add work-around for users who manage their own closure memory
As suggested by DJ
|
|
73dd43af
|
2019-11-17T07:22:25
|
|
IEEE754 binary128 long double support for PowerPC64 (#526)
* powerpc: Adjust flags to make room for vector types
* powerpc64 ELFv2 IEEE128 long double support
|
|
a8efc2f7
|
2019-10-26T14:57:05
|
|
Fix FFI_STDCALL ABI (#514)
Even for a stdcall function, the stack alignment is still the
responsibility of the caller. Remember the original, not stack-aligned
argument size, but align when setting up a stack frame. In
ffi_closure_inner, return the true argument size, so that
ffi_[go_]closure_STDCALL doesn't adjust too much.
|
|
c4f61240
|
2019-10-09T18:59:32
|
|
Add long double test (#492)
Required to fix build error on macos with gcc-9
|
|
55c22092
|
2019-10-08T18:46:47
|
|
handle compilation warnings with ftruncate API (#508)
* fix me: avoid warning while handle ftruncate API
Signed-off-by: Prasad Nallani <prasad.nallani@intel.com>
* Update closures.c
|
|
e5f0eb15
|
2019-10-08T06:58:52
|
|
Clean up line endings (#509)
The CLRF visual studio files can be kept that way, but recognized as
text. The assembly file can be converted to LF.
|
|
|
ea9b6639
|
2019-10-08T05:57:28
|
|
PowerPC bugfixes (#520)
* powerpc: Silence warnings about unused labels
* powerpc: Fix a couple of comments
* powerpc: Fix alignment after float structs
* powerpc: Don't pad rvalues copied from FP regs
* powerpc: Add missing check in struct alignment
* powerpc: Support homogeneous long double structs
|
|
c2a68590
|
2019-08-07T11:57:45
|
|
fix mingw build and crashing bugs for Python Windows ARM64 (#496)
* fix mingw build and crashing bugs for Python Windows ARM64
* Fix issues found in PR review
|
|
d856743e
|
2019-06-26T07:31:22
|
|
libffi: added ARM64 support for Windows (#486)
* libffi: added ARM64 support for Windows
1. ported sysv.S to win64_armasm.S for armasm64 assembler
2. added msvc_build folder for visual studio solution
3. updated README.md for the same
4. MSVC solution created with the changes, and below test suites are tested
with test script written in python.
libffi.bhaible
libffi.call
5. Basic functionality of above test suites are getting passed
Signed-off-by: ossdev07 <ossdev@puresoftware.com>
* Update README.md
|
|
|
fadf1eb5
|
2019-04-27T20:53:29
|
|
hppa: avoid TEXTREL in .eh_frame section (#447)
Before the change hand-crafted .eh_frame section contained
ABS relocation and caused TEXTREL tag to be emitted:
```
$ ./configure --host=hppa2.0-unknown-linux-gnu LDFLAGS=-Wl,-z,text
$ make
...
/usr/libexec/gcc/hppa2.0-unknown-linux-gnu/ld:
read-only segment has dynamic relocations.
```
Link failure is caused by absolute address of FDEs
encoded into .eh_frame entries.
Fixed TEXTREL by using pcrel (instead of ABS) encoding
for absolute addresses (__PIC__ code) by adding augmentation
information ("zR" CIE type).
All tests still pass on hppa2.0. The specific tests that still pass
and exercise this code path:
testsuite/libffi.call/unwindtest.cc
testsuite/libffi.call/unwindtest_ffi_call.cc
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
|
|
06bf1a9d
|
2019-04-28T03:21:44
|
|
fix x86/x64 MSVC build (#487)
|
|
|
db5706ff
|
2019-04-26T04:58:58
|
|
add support for 32-bit ARM on Windows (#477)
* add support for 32-bit ARM on Windows
* fix mismatched brace in appveyor.yml
* remove arm platform from appveyor.yml for now
* fix arm build
* fix typo
* fix assembler names
* try Visual Studio 2017
* add windows arm32 to .appveyor.yml
* update README.md
|
|
a7d6396f
|
2019-03-29T14:19:20
|
|
fix check for Linux/aarch64
fixes #473
|
|
05a17964
|
2019-02-19T04:11:28
|
|
Cleanup symbol exports on darwin and add architecture preprocessor checks to assist in building fat binaries (eg: i386+x86_64 on macOS or arm+aarch64 on iOS) (#450)
* x86: Ensure _efi64 suffixed symbols are not exported
* x86: Ensure we do not export ffi_prep_cif_machdep
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
* x86: Ensure we don't export ffi_call_win64, ffi_closure_win64, or ffi_go_closure_win64
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
* closures: Silence a semantic warning
libffi/src/closures.c:175:23: This function declaration is not a prototype
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
* aarch64: Ensure we don't export ffi_prep_cif_machdep
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
* arm: Ensure we don't export ffi_prep_cif_machdep
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
* aarch64, arm, x86: Add architecture preprocessor checks to support easier fat builds (eg: iOS)
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
* x86: Silence some static analysis warnings
libffi/src/x86/ffi64.c:286:21: The left operand of '!=' is a garbage value due to array index out of bounds
libffi/src/x86/ffi64.c:297:22: The left operand of '!=' is a garbage value due to array index out of bounds
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
* aarch: Use FFI_HIDDEN rather than .hidden
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
* ffi.h: Don't advertise ffi_java_rvalue_to_raw, ffi_prep_java_raw_closure, and ffi_prep_java_raw_closure_loc when FFI_NATIVE_RAW_API is 0
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
|
|
|
e1118af5
|
2019-02-19T03:58:25
|
|
changes for win32 on windows (#468)
|
|
44a6c285
|
2019-02-19T12:55:11
|
|
aarch64: Flush code mapping in addition to data mapping (#471)
This needs a new function, ffi_data_to_code_pointer, to translate
from data pointers to code pointers.
Fixes issue #470.
|
|
4a84df4a
|
2018-10-31T15:53:54
|
|
Fix Q registers parameter passing on ARM64
The second two quads are located at offset 32 not 16
|
|
a5ea7527
|
2018-09-19T07:29:36
|
|
Merge pull request #443 from jeremyhu/master
Update FFI_HIDDEN() to use .private_extern on Apple platforms and use the macro where appropriate
|
|
e6eac786
|
2018-09-18T15:19:53
|
|
Prefix ALIGN_DOWN macro with FFI_
|
|
4cb776bc
|
2018-08-09T12:12:29
|
|
RISC-V go closures
This implements go closures for RISC-V. It has been tested on
riscv64-suse-linux and against the libgo testsuite.
|
|
ba73a671
|
2018-07-20T09:37:43
|
|
Update FFI_HIDDEN() to use .private_extern on Apple platforms and use the macro where appropriate
Fix issue #439
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@macports.org>
|
|
|
65da63ab
|
2018-06-25T04:38:58
|
|
Add compact unwind for darwin/i386 (#440)
* x86: Add implementation of compact unwind for ffi_call_i386, et al.
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@macports.org>
* x86: Use __text as the section name to avoid deprecated section name warnings.
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@macports.org>
* darwin: Add missing regular,debug attributes for compact unwind sections
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@macports.org>
|
|
2309b584
|
2018-06-17T17:04:24
|
|
Mark sysv.S as SafeSEH compatible (#438)
It contains no exception handler, so we can just emit the special
@feat.00 symbol to indicate that it's trivially SafeSEH compatible.
SafeSEH only applies to x86 and not x86-64, hence its inclusion in the
x86-specific block. See [1] for details.
[1] https://msdn.microsoft.com/en-us/library/windows/desktop/ms680547(v=vs.85).aspx#the_.sxdata_section_
|
|
|
1d704051
|
2018-06-17T17:01:50
|
|
i386: Fix missing break; in case statement leading to incorrectly returned FFI_BAD_ABI (#437)
* i386: Add missing break triggering dead store static analyzer checks.
Register calling sequence is being reported as bad ABI instead of working as intended.
Found-by: Clang Static Analysis
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@macports.org>
* Mark ffi arm sysv entry points as private_extern.
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@macports.org>
* x86_64: Add implementation of compact unwind for ffi_call_unix64.
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
|
|
|
b55baf0b
|
2018-05-09T13:21:02
|
|
Handle FFI_GNUW64 on non-Windows systems (EFI)
|
|
|
b5ee3957
|
2018-05-05T07:41:53
|
|
Revert "Remove some symbol exports and cleanup newline warnings (#433)"
This reverts commit a5a0f3cf36dfb4d64316414a872288c3170e6c1d.
|
|
|
a5a0f3cf
|
2018-05-05T03:44:33
|
|
Remove some symbol exports and cleanup newline warnings (#433)
* build: Ensure darwin generated sources end with a new line
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@macports.org>
* build: Use .private_extern where missing to prevent exporting symbols that are not API
Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@macports.org>
|
|
d3c54cf3
|
2018-05-02T06:19:58
|
|
Re-enable msabi testing (#436)
* Revert "disable msabi testing for now"
This reverts commit 7b7638eb0eac2adfa72f7ec9f254ba287c9947e2.
* x86: Correct testing for 64-bit x86-64
Since passing -m32 to x86-64 compiler will generate i386 code, we
need to check both __ILP32__ and __i386__ for 64-bit x86-64.
* x86: Check __i386__ instead of i?86-*-* targets
Since passing -m32 to x86-64 compiler will generate i386 code, we need
to check __i386__ instead of i?86-*-* targets for i386 targets.
* i386: Properly passing integer parameters in registers
For thiscall and fastcall, if the paramter passed as 64-bit integer or
struct, all following integer paramters will be passed on stack.
* test: Add ABI_ATTR to callback_code
Add ABI_ATTR to callback_code to properly test different ABIs.
|
|
ebf24166
|
2018-05-02T13:55:29
|
|
PowerPC64 ELFv1 fp arg fixes
The ELFv1 ABI says: "Single precision floating point values are mapped
to the second word in a single doubleword" and also "Floating point
registers f1 through f13 are used consecutively to pass up to 13
floating point values, one member aggregates passed by value
containing a floating point value, and to pass complex floating point
values".
libffi wasn't expecting float args in the second word, and wasn't
passing one member aggregates in fp registers. This patch fixes those
problems, making use of the existing ELFv2 homogeneous aggregate
support since a one element fp struct is a special case of an
homogeneous aggregate.
I've also set a flag when returning pointers that might be used one
day. This is just a tidy since the ppc64 assembly support code
currently doesn't test FLAG_RETURNS_64BITS for integer types..
* src/powerpc/ffi_linux64.c (discover_homogeneous_aggregate):
Compile for ELFv1 too, handling single element aggregates.
(ffi_prep_cif_linux64_core): Call discover_homogeneous_aggregate
for ELFv1. Set FLAG_RETURNS_64BITS for FFI_TYPE_POINTER return.
(ffi_prep_args64): Call discover_homogeneous_aggregate for ELFv1,
and handle single element structs containing float or double
as if the element wasn't wrapped in a struct. Store floats in
second word of doubleword slot when big-endian.
(ffi_closure_helper_LINUX64): Similarly.
|
|
|
4c2206ac
|
2018-04-28T04:46:10
|
|
Fix two "return" issues in x86/ffi64.c (#431)
Issue #70 pointed out that at least one compiler didn't like:
return ffi_call_efi64(cif, fn, rvalue, avalue);
... where the return type is "void". This patch splits the statement
into two.
I also noticed that ffi_call_go here seems to do a double call. I
suspect a "return" is missing here, so this patch adds it as well.
|
|
7d3cab79
|
2018-04-21T00:24:50
|
|
xtensa-linux: use cache flush instruction only if it is available (#426)
|
|
159b94e5
|
2018-04-19T01:28:23
|
|
Various MIPS Fixes (#425)
* mips: simplify closure #defines
This commit should have no visible effect.
* mips: add special handling of variadic functions
MIPS requires special handling of variadic functions which pass floating
point arguments:
* In the o32 ABI, all float arguments are passed in integer registers.
* In the n32/n64 ABIs, float arguments after the ellipsis are passed in
integer registers.
Implement this in libffi. To support this in n32/n64 closures, we need to add
a new mips_nfixedargs field to ffi_cif which will break the libffi ABI.
This fixes the libffi.call/cls_longdouble_va.c test which was failing on
64-bit MIPS.
* mips: align argn for all 64-bit types in o32 closure handler
Ensure that argn is pre-aligned for all 64-bit argument types (including
doubles) and not just integer types.
This fixes closures of the form "f(float, double, <some integer args>)".
Previously the first integer argument would be read from a2 which is garbage
at this point (the float arguments have already "consumed" a0-a3). After
this commit, argn is correctly padded between the "float" and "double"
arguments so that the first integer argument is read from the stack.
Fixes "double f(float,double,int)" test in #371
* mips: do not read from floating point register if returning a struct
In the o32 ABI, the pointer passed in a0 used to return structures
indirectly is treated as the first argument for argument allocation purposes.
This means that it should inhibit floating point registers the same way that
other integer arguments do.
Fixes "Double f(float,Double,double)" test in #371
* mips: fix pointer cast warnings
Fix two pointer cast warnings when compiled on 64-bit mips by casting
through uintptr_t.
Fixes mips64el part of #404
|
|
|
e27f70b8
|
2018-04-08T18:25:34
|
|
Fix case where callback arg value is split across regs and stack
|
|
af6773d6
|
2018-04-02T13:55:31
|
|
Fix appveyor windows build (#420)
* Fix msvcc dll build by adding dllexport decorations to all API declarations
* Fix appveyor build for VS 2013
Use the new -DFFI_BUILDING_DLL for producing a working DLL. Update the
msvcc.sh wrapper script to successfully compile the testsuite files.
* MSVC build: suppress warnings in testsuite
* fix testsuite on appveyor
|
|
|
369ef49f
|
2018-03-18T12:53:42
|
|
Add missing FFI_GNUW64 enum
|
|
|
43980dd1
|
2018-03-18T12:32:10
|
|
Add FFI_GNUW64 ABI for GNU 80-bit long double support
|
|
|
9bc40d87
|
2018-03-18T12:32:10
|
|
Add FFI_GWIN64 ABI for GNU 80-bit long double support
|
|
d4640608
|
2018-03-18T07:00:42
|
|
Fully allocate file backing writable maps (#389)
When ftruncate() is used on a filesystem supporting sparse files,
space in the file is not actually allocated. Then, when the file
is mmap'd and libffi writes to the mapping, SIGBUS is thrown to
the calling application. Instead, always fully allocate the file
that will back writable maps.
|
|
|
6a801d04
|
2018-03-16T17:53:33
|
|
Fix closure case where 8-byte value is partially passed in register. Fixes cls_many_mixed_float_double test case.
|
|
|
01db31d9
|
2018-03-13T20:41:55
|
|
Update moxie sub opcode
|
|
3840d49a
|
2018-03-11T05:55:15
|
|
New RISC-V port (#281)
* Add RISC-V support
This patch adds support for the RISC-V architecture (https://riscv.org).
This patch has been tested using QEMU user-mode emulation and GCC 7.2.0
in the following configurations:
* -march=rv32imac -mabi=ilp32
* -march=rv32g -mabi=ilp32d
* -march=rv64imac -mabi=lp64
* -march=rv64g -mabi=lp64d
The ABI currently can be found at
https://github.com/riscv/riscv-elf-psabi-doc/blob/master/riscv-elf.md .
* Add RISC-V to README
* RISC-V: fix configure.host
|
|
|
dca52b55
|
2018-03-11T08:50:01
|
|
Merge pull request #406 from trofi/master
ia64: fix variadic function closures with FP arguments
|
|
|
83d9aba3
|
2018-03-11T08:48:42
|
|
Merge pull request #407 from trofi/ia64-small-struct
ia64: fix small struct return
|
|
|
e66fd678
|
2018-02-20T10:47:09
|
|
Revert "Fix passing struct by value on aarch64"
This reverts commit 482b37f00467325e3389bab322525099860dd9aa.
That was actually a bug in python, see <https://bugs.python.org/issue30353>.
|
|
|
b58caef7
|
2018-02-17T19:00:40
|
|
ia64: fix small struct return
This change fixes libffi.call/struct10.c failure on ia64:
FAIL: libffi.call/struct10.c -W -Wall -Wno-psabi -O0 execution test
.Lst_small_struct handles returns for structs less than 32 bytes
(following ia64 return value ABI [1]). Subroutine does roughly the
following:
```
mov [sp+0] = r8
mov [sp+8] = r9
mov [sp+16] = r10
mov [sp+24] = r11
memcpy(destination, source=sp, 12);
```
The problem: ia64 ABI guarantees that top 16 bytes of stack are
scratch space for callee function. Thus it can clobber it. [1]
says (7.1 Procedure Frames):
"""
* Scratch area. This 16-byte region is provided as scratch storage
for procedures that are called by the current procedure. Leaf
procedures do not need to allocate this region. A procedure may
use the 16 bytes at the top of its own frame as scratch memory,
but the contents of this area are not preserved by a procedure call.
"""
In our case 16 top bytes are clobbered by a PLT resolver when memcpy()
is called for the first time. As a result memcpy implementation reads
already clobbered data frop top of stack.
The fix is simple: allocate 16 bytes of scrats space prior to memcpy()
call.
[1]: https://www.intel.com/content/dam/www/public/us/en/documents/guides/itanium-software-runtime-architecture-guide.pdf
Bug: https://bugs.gentoo.org/634190
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
|
|
|
11de69dd
|
2018-02-11T11:29:39
|
|
ia64: fix variadic function closures with FP arguments
libffi test framework already flagged failures as:
```
FAIL: libffi.call/cls_double_va.c -W -Wall -Wno-psabi -O0 output pattern test, is 7.0
res: 4
0.0
res: 4
? should match 7.0
?es: 4
?.0
res: 4
```
Failure happens here at
```c
// testsuite/libffi.call/cls_double_va.c
...
char* format = "%.1f\n";
double doubleArg = 7;
...
CHECK(ffi_prep_closure_loc(pcl, &cif, cls_double_va_fn, NULL,
code) == FFI_OK);
res = ((int(*)(char*, ...))(code))(format, doubleArg);
```
libffi expects 'doubleArg' to be located in 'f9' (second FP argument) but
gcc placed it to 'r33' (second GR).
ia64 software [1] manual described argument passing ABI in
"8.5.2 Register Parameters" as:
"""
If an actual parameter is known to correspond to a floating-point
formal parameter, the following rules apply:
a) The actual parameter is passed in the next available floating-point
parameter register, if one is available. Floating-point parameter
registers are allocated as needed from the range f8-f15, starting
with f8.
b) If all available floating-point parameter registers have been used,
the actual parameter is passed in the appropriate general register(s).
(This case can occur only as a result of homogeneous floating-point
aggregates, described below.)
If a floating-point actual parameter is known to correspond to
a variable-argument specification in the formal parameter list,
the following rule applies:
c) The actual parameter is passed in the appropriate general
register(s).
If the compiler cannot determine, at the point of call,
whether the corresponding formal parameter is a varargs parameter,
it must generate code that satisfies both of the above conditions.
(The compiler’s determination may be based on prototype declarations,
language standard assumptions, analysis, or other user options or
information.)
"""
We have [c] case here and gcc uses only GR for parameter passing.
The change binds known variadic arguments ro GRs instead of FPs as those
are always expected to be initialized for all variadic call types.
This fixes all 10 failures on ia64-unknown-linux-gnu:
```
=== libffi Summary ===
-# of expected passes 1945
-# of unexpected failures 10
+
+# of expected passes 1955
```
[1]: https://www.intel.com/content/dam/www/public/us/en/documents/guides/itanium-software-runtime-architecture-guide.pdf
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
|
|
|
9429968b
|
2018-02-10T23:23:33
|
|
Merge pull request #403 from frida/fix/x86-sysv-pic-closure-regression
Fix x86 SysV closure in PIC mode
|
|
|
482b37f0
|
2017-09-18T12:44:08
|
|
Fix passing struct by value on aarch64
This fixes the ctypes test in the python testsuite.
|
|
28d3b61b
|
2018-01-20T23:56:17
|
|
Fix x86 SysV closure in PIC mode
The assembly single-line comments swallowed up the remaining assembly
code of the macros due to lack of line-endings.
This is a regression introduced in b7f6d7a.
|
|
|
bec6135d
|
2018-01-10T07:20:04
|
|
Merge pull request #393 from thejunkjon/master
Linker error "recompile with -fPIC" for x86_64
|
|
746dbe3a
|
2018-01-03T10:07:41
|
|
mips/ffi.c: fix encoding for jr on r6
mips/ffi.c: instruction jr has a different encoding for r6
|
|
|
94c102aa
|
2017-12-10T14:25:01
|
|
Not set mips on mips r6
MIPS release changed encodes of some instructions, include ll/sc etc.
if .set mips4 on mips r6, as will generate some wrong encode of some instructions.
|
|
d15581c6
|
2017-12-01T00:34:30
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Updating calls to ffi_closure_unix64_inner and ffi_closure_win64_inner to use PLT. Without this fix, statically linking libffi causes the linker error i.e. 'requires dynamic R_X86_64_PC32 reloc against ffi_closure_unix64_inner which may overflow at runtime; recompile with -fPIC)'
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4fdbb057
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2017-11-03T07:05:31
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Merge pull request #320 from 0-wiz-0/master
Support NetBSD with mprotect.
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b302bc3d
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2017-11-03T07:03:55
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Merge pull request #322 from compnerd/aarch64-base
aarch64: fix index base register for AArch64
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9fc9dc53
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2017-10-27T16:12:56
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Fix linux detection (closes #303)
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1fb788ac
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2017-10-10T11:37:00
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aarch64: fix index base register for AArch64
The base is passed in `x3`, not in `x2`. This fixes the indexing base
so that the right value is used.
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dc2ff5ba
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2017-10-25T13:11:40
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Merge pull request #323 from compnerd/x86-alloca-alignment
x86: align alloca to 16-byte boundary
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927da716
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2017-10-25T13:05:53
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Merge pull request #379 from jlj/master
Xcode build improvements
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a0455c03
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2017-10-25T13:04:23
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Merge pull request #383 from hjl-tools/hjl/master
Hjl/master
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9d9d92b4
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2017-10-25T04:59:31
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Skip WIN64/EFI64 support for x32
Since x32 doesn't support WIN64/EFI64, skip it if __ILP32__ is defined.
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3c372c38
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2017-10-24T13:53:56
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arm: fix a level of indirection issue
Rather than relying on the stack being 0'ed out always, do it manually.
The stack generally happened to be zero, and because the compiler
realizes that the tests are dealing with chars truncates the read value.
However, the top 3 nibbles of the value are undefined and may be
non-zero. The indirection level caused a null-pointer dereference.
Explicitly scribbling on the stack during the allocation causes test
failures without the original zexting behaviour.
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181fc4cc
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2017-10-23T15:02:29
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Merge branch 'master' based on ksjogo/libffi
Added a tvOS target in Xcode project. Misc Xcode project cleanup.
Fix macOS build target in Xcode project.
# Conflicts:
# src/aarch64/ffi.c
# src/x86/ffi64.c
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79d1509c
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2017-10-10T11:39:45
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x86: align alloca to 16-byte boundary
Align the stack allocation to a 16-byte boundary. This ensures that the
stack parameters are 16-byte aligned which is needed for some
instructions.
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ed7488c0
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2017-10-17T13:00:51
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src/ia64/unix.S: unbreak small struct handling
commit 6e8a4460833594d5af1b4539178025da0077df19
added FFI_TYPE_COMPLEX value type (comes after FFI_TYPE_POINTER)
ia64 ffi_closure_unix reiles on the ordering of
FFI_ enums as ia64 has ia64-specific FFI types:
small struct and FPU extesions.
As a result all tests handling small structs broke.
The change fixes dispatch table by adding (no-op)
FFI_TYPE_COMPLEX entry
This has positive effect of unbreaking most tests
on ia64:
=== libffi Summary ===
-# of expected passes 1595
-# of unexpected failures 295
+# of expected passes 1930
+# of unexpected failures 10
# of unsupported tests 30
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
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7ad0ae7f
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2017-10-10T11:44:05
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arm: zext return value parameters
The closure function (invoked as closure->fun in ffi_closure_XXX_inner)
will only populate the actual number of bytes for the true return type,
which may be a character. This leaves garbage on the stack when the
assembly closure function (i.e. ffi_closure_XXX) reads the return value
off of the stack into r0 as a 4-byte value. ffi_closure_XXX always
leaves room for at least 4 bytes here, so we can safely set them to 0.
Otherwise, if there is garbage in any of these bytes, these end up in r0
and in the returned value as well.
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2bfcd299
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2017-10-02T15:34:03
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Support NetBSD with mprotect.
Signed-off-by: Thomas Klausner <wiz@NetBSD.org>
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93d8e7dd
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2017-09-27T21:51:34
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Fix #265
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02a5145a
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2017-09-27T21:43:03
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Merge pull request #263 from ksjogo/master
fix ios builds
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10099d6c
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2017-09-27T20:54:09
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Merge pull request #271 from frida/fix/qnx-cache-flushing
arm: Fix cache flushing on QNX
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db4dad97
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2017-09-27T20:47:08
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Merge pull request #312 from fjricci/fix_ub
Fix misaligned memory access in ffi_call_int
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a78da739
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2017-09-04T15:55:34
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Fix macOS build target in Xcode project.
- Add missing files for desktop platforms in generate-darwin-source-and-headers.py, and in the Xcode project.
- Add a static library target for macOS.
- Fix "implicit conversion loses integer precision" warnings for iOS mad macOS targets.
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9c12209d
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2017-08-03T10:46:28
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Fix misaligned memory access in ffi_call_int
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0ff9419f
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2017-05-17T14:57:53
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This patch enables FFI Go Closure on AIX.
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bd72848c
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2017-04-27T13:20:36
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Prefix ALIGN macros with FFI_
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57d8ff04
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2017-03-15T01:43:11
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Simplify iOS trampoline table allocation
By using VM_FLAGS_OVERWRITE there is no need for speculatively
allocating on a page we just deallocated. This approach eliminates the
race-condition and gets rid of the retry logic.
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00406945
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2016-07-12T16:08:42
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Update Xcodeproj
Include all currently relevent files.
Call autogen is build script.
Fix compiler settings.
Fix mach include.
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a94c999b
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2017-03-19T07:36:07
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Handle fastcall declaration differently for some Microsoft compilers
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a0b14eea
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2017-03-17T09:20:40
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Merge pull request #291 from ramon-garcia/visual-studio-build
Build with Visual C++ (64 bits)
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5e4fcdcc
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2017-03-15T01:43:11
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Simplify iOS trampoline table allocation
By using VM_FLAGS_OVERWRITE there is no need for speculatively
allocating on a page we just deallocated. This approach eliminates the
race-condition and gets rid of the retry logic.
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d42ce7b9
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2017-03-15T01:23:40
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Fix error path so mutex is unlocked before returning
In the unusual case where ffi_trampoline_table_alloc() fails.
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1e0d107b
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2017-01-08T20:12:59
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Modify configure.host to detect compilation with Microsoft Visual C++ and use assembly with Intel syntax in that case
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256ce51c
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2016-09-01T13:54:51
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Merge pull request #273 from wbx-github/master
m68k: support ISA-A Coldfire CPUs
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2ded2a4f
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2016-09-01T13:30:45
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Merge pull request #272 from yousong/mips64-soft-float
Mips64 soft float
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b545ff81
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2016-08-23T20:23:37
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ARC: Remove unused variable
Signed-off-by: Yuriy Kolerov <yuriy.kolerov@synopsys.com>
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52a11f6d
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2016-08-20T00:52:19
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m68k: support ISA-A Coldfire CPUs
Fix compilation for m68k/coldfire CPUs like mcf5208.
Signed-off-by: Thorsten Glaser <tg@mirbsd.de>
Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
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7a0d2c83
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2016-08-15T15:00:13
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mips: fix MIPS softfloat build issue
The patch for o32.S is taken from OpenWrt packages repo 3a7a4bf "libffi:
fix MIPS softfloat build issue with current binutils"
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
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06d7c519
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2016-08-10T15:06:16
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Merge pull request #269 from frida/fix/aarch64-variadic-closures-on-ios
aarch64: Fix handling of variadic closures on iOS
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aa7ed78c
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2016-08-10T15:03:37
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Merge pull request #268 from frida/fix/aarch64-large-aggregates
aarch64: Fix handling of aggregates larger than 16 bytes
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4da814b1
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2016-08-10T22:48:09
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aarch64: Fix handling of aggregates larger than 16 bytes
Instead of allocating stack space for a pointer we would allocate stack
space for the actual aggregate size.
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ed848834
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2016-08-10T14:57:22
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arm: Fix cache flushing on QNX
Use `msync()` directly as `__clear_cache()` is broken in the
qnx650_gcc4.8.3 toolchain.
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5e9ac7e2
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2016-08-10T15:22:19
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aarch64: Fix warning about unused function on iOS
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4d1f11f6
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2016-08-10T15:21:42
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aarch64: Fix operand size warning reported by Clang
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301166b1
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2016-08-10T15:59:56
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aarch64: Fix handling of variadic closures on iOS
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cf4b2a50
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2016-06-17T10:09:44
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Don't dereference "ecif" before NULL check
Fixes #260
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794a54d4
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2016-06-05T14:57:00
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Mark win64.S with GNU-stack note
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52fbd12d
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2016-05-26T09:00:00
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[Darwin-ppc, build] Fixes for clang build.
clang is experimental on powerpc-darwin, but the changes are appropriate to cctools as as well.
Use the 'official' simplified cmpwi insn, rather than the implied one accepted by cctools.
Do not re-use a set value.
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