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llvm-project/libc/spec/gnu_ext.td

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[libc] add CPU_COUNT macro and backing function Add the macro CPU_COUNT as well as a backing function to implement the functionality. Reviewed By: sivachandra Differential Revision: https://reviews.llvm.org/D135179
2022-10-03 15:55:40 -07:00
def CpuSetT : NamedType<"cpu_set_t">;
def CpuSetPtr : PtrType<CpuSetT>;
def ConstCpuSetPtr : ConstType<CpuSetPtr>;
[libc] Add qsort_r This patch adds the reentrent qsort entrypoint, qsort_r. This is done by extending the qsort functionality and moving it to a shared utility header. For this reason the qsort_r tests focus mostly on the places where it differs from qsort, since they share the same sorting code. Reviewed By: sivachandra, lntue Differential Revision: https://reviews.llvm.org/D152467
2023-06-08 14:04:55 -07:00
def QSortRCompareT : NamedType<"__qsortrcompare_t">;
[libc] [search] implement hcreate(_r)/hsearch(_r)/hdestroy(_r) (#73469) This patch implements `hcreate(_r)/hsearch(_r)/hdestroy(_r)` as specified in https://man7.org/linux/man-pages/man3/hsearch.3.html. Notice that `neon/asimd` extension is not yet added in this patch. - The implementation is largely simplified from rust's [`hashbrown`](https://github.com/rust-lang/hashbrown/blob/master/src/raw/mod.rs) as we only consider fix-sized insertion-only hashtables. Technical details are provided in code comments. - This patch also contains a portable string hash function, which is derived from [`aHash`](https://github.com/tkaitchuck/aHash)'s fallback routine. Not using any SIMD acceleration, it has a good enough quality (passing all SMHasher tests) and is not too bad in speed. - Some general functionalities are added, such as `memory_size`, `offset_to`(alignment), `next_power_of_two`, `is_power_of_two`. `ctz/clz` are extended to support shorter integers.
2023-11-28 21:02:25 -05:00
def StructHsearchData : NamedType<"struct hsearch_data">;
def StructHsearchDataPtr : PtrType<StructHsearchData>;
[libc] Add qsort_r This patch adds the reentrent qsort entrypoint, qsort_r. This is done by extending the qsort functionality and moving it to a shared utility header. For this reason the qsort_r tests focus mostly on the places where it differs from qsort, since they share the same sorting code. Reviewed By: sivachandra, lntue Differential Revision: https://reviews.llvm.org/D152467
2023-06-08 14:04:55 -07:00
[libc] Add a GNU extensions spec containing sincosf from math.h. Reviewers: abrachet Differential Revision: https://reviews.llvm.org/D76783
2020-03-24 22:29:11 -07:00
def GnuExtensions : StandardSpec<"GNUExtensions"> {
[libc] Add the implementation of the GNU extension function fopencookie. Reviewed By: lntue, michaelrj Differential Revision: https://reviews.llvm.org/D124141
2022-04-19 22:06:07 +00:00
NamedType CookieIOFunctionsT = NamedType<"cookie_io_functions_t">;
[libc] add isascii and toascii implementations adding both at once since these are trivial functions. Reviewed By: sivachandra Differential Revision: https://reviews.llvm.org/D94558
2021-01-12 22:37:56 +00:00
HeaderSpec CType = HeaderSpec<
"ctype.h",
[], // Macros
[], // Types
[], // Enumerations
[
FunctionSpec<
"toascii",
RetValSpec<IntType>,
[ArgSpec<IntType>]
>,
]
>;
[libc] Add a GNU extensions spec containing sincosf from math.h. Reviewers: abrachet Differential Revision: https://reviews.llvm.org/D76783
2020-03-24 22:29:11 -07:00
HeaderSpec Math = HeaderSpec<
"math.h",
[], // Macros
[], // Types
[], // Enumerations
[
FunctionSpec<
"sincosf",
RetValSpec<VoidType>,
[ArgSpec<FloatType>, ArgSpec<FloatPtr>, ArgSpec<FloatPtr>]
>,
]
>;
[LIBC] Implement `sched_yield()` Implements: https://linux.die.net/man/2/sched_yield Possibly we don't need the return value check / errno as according to both the manpage (and current linux source) `sched_yield` cannot fail. Reviewed By: sivachandra, michaelrj Differential Revision: https://reviews.llvm.org/D147985
2023-04-12 18:41:33 -05:00
[libc] Add GNU extension functions sched_getaffinity and sched_setaffinity. Reviewed By: michaelrj Differential Revision: https://reviews.llvm.org/D134858
2022-09-29 07:57:52 +00:00
HeaderSpec Sched = HeaderSpec<
"sched.h",
[], // Macros
[PidT, SizeTType, CpuSetT], // Types
[], // Enumerations
[
FunctionSpec<
"sched_getaffinity",
RetValSpec<IntType>,
[ArgSpec<PidT>, ArgSpec<SizeTType>, ArgSpec<CpuSetPtr>]
>,
FunctionSpec<
"sched_setaffinity",
RetValSpec<IntType>,
[ArgSpec<PidT>, ArgSpec<SizeTType>, ArgSpec<ConstCpuSetPtr>]
>,
]
>;
[libc] Adds implementation for memrchr. Reviewed By: sivachandra Differential Revision: https://reviews.llvm.org/D84469
2020-07-24 14:31:27 -04:00
HeaderSpec String = HeaderSpec<
"string.h",
[], // Macros
[], // Types
[], // Enumerations
[libc] Add memmem implementation Introduce the `memmem` libc string function. `memmem_implementation` performs shared logic for `strstr`, `strcasestr`, and `memmem`; essentially reconfiguring what was the `strstr_implementation` to support length parameters. Differential Revision: https://reviews.llvm.org/D147822
2023-04-07 22:16:01 +00:00
[
FunctionSpec<
"memmem",
RetValSpec<VoidPtr>,
[libc] Fix typo in gnu_ext.td Differential Revision: https://reviews.llvm.org/D148052
2023-04-11 21:18:29 +00:00
[ArgSpec<ConstVoidPtr>, ArgSpec<SizeTType>, ArgSpec<ConstVoidPtr>, ArgSpec<SizeTType>]
[libc] Add memmem implementation Introduce the `memmem` libc string function. `memmem_implementation` performs shared logic for `strstr`, `strcasestr`, and `memmem`; essentially reconfiguring what was the `strstr_implementation` to support length parameters. Differential Revision: https://reviews.llvm.org/D147822
2023-04-07 22:16:01 +00:00
>,
[libc] Adds implementation for memrchr. Reviewed By: sivachandra Differential Revision: https://reviews.llvm.org/D84469
2020-07-24 14:31:27 -04:00
FunctionSpec<
"memrchr",
RetValSpec<VoidPtr>,
[libc] Correct 'memrchr' definition and re-enable on GPU (#67850) Summary: This was disabled on the GPU because it conflicted with the definition in `glibc`. According to information online and in the `glibc` implementation, the first argument should be a `const void *`. Fixing this resolves the problem when exporting this to offloading languages.
2023-09-29 18:22:00 -05:00
[ArgSpec<ConstVoidPtr>, ArgSpec<IntType>, ArgSpec<SizeTType>]
[libc] Adds implementation for memrchr. Reviewed By: sivachandra Differential Revision: https://reviews.llvm.org/D84469
2020-07-24 14:31:27 -04:00
>,
[libc] add strerror_r function I've implemente the gnu variant of strerror_r since that seems to be the one more relevant to what we're trying to do. Differential Revision: https://reviews.llvm.org/D135227
2022-10-04 16:47:24 -07:00
FunctionSpec<
"strerror_r",
RetValSpec<CharPtr>,
[ArgSpec<IntType>, ArgSpec<CharPtr>, ArgSpec<SizeTType>]
>,
[libc] Implement strcasestr Differential Revision: https://reviews.llvm.org/D142518
2023-01-25 17:58:13 +00:00
FunctionSpec<
"strcasestr",
RetValSpec<CharPtr>,
[ArgSpec<ConstCharPtr>, ArgSpec<ConstCharPtr>]
>,
[libc] Add strchrnul implementation Introduce strchrnul implementation and unit tests. Submitting on behalf of Caslyn@ Differential Revision: https://reviews.llvm.org/D147346
2023-04-03 11:04:48 -07:00
FunctionSpec<
"strchrnul",
RetValSpec<CharPtr>,
[ArgSpec<ConstCharPtr>, ArgSpec<IntType>]
>,
[libc] Adds implementation for memrchr. Reviewed By: sivachandra Differential Revision: https://reviews.llvm.org/D84469
2020-07-24 14:31:27 -04:00
]
>;
[libc] Add a GNU extensions spec containing sincosf from math.h. Reviewers: abrachet Differential Revision: https://reviews.llvm.org/D76783
2020-03-24 22:29:11 -07:00
[libc] [search] implement hcreate(_r)/hsearch(_r)/hdestroy(_r) (#73469) This patch implements `hcreate(_r)/hsearch(_r)/hdestroy(_r)` as specified in https://man7.org/linux/man-pages/man3/hsearch.3.html. Notice that `neon/asimd` extension is not yet added in this patch. - The implementation is largely simplified from rust's [`hashbrown`](https://github.com/rust-lang/hashbrown/blob/master/src/raw/mod.rs) as we only consider fix-sized insertion-only hashtables. Technical details are provided in code comments. - This patch also contains a portable string hash function, which is derived from [`aHash`](https://github.com/tkaitchuck/aHash)'s fallback routine. Not using any SIMD acceleration, it has a good enough quality (passing all SMHasher tests) and is not too bad in speed. - Some general functionalities are added, such as `memory_size`, `offset_to`(alignment), `next_power_of_two`, `is_power_of_two`. `ctz/clz` are extended to support shorter integers.
2023-11-28 21:02:25 -05:00
HeaderSpec Search = HeaderSpec<
"search.h",
[], // Macros
[
StructHsearchData
],
[], // Enumerations
[
FunctionSpec<
"hcreate_r",
RetValSpec<IntType>,
[libc][NFC] Remove all trailing spaces from libc (#82831) Summary: There are a lot of random training spaces on various lines. This patch just got rid of all of them with `sed 's/\ \+$//g'.
2024-02-23 16:34:00 -06:00
[
ArgSpec<SizeTType>,
[libc] [search] implement hcreate(_r)/hsearch(_r)/hdestroy(_r) (#73469) This patch implements `hcreate(_r)/hsearch(_r)/hdestroy(_r)` as specified in https://man7.org/linux/man-pages/man3/hsearch.3.html. Notice that `neon/asimd` extension is not yet added in this patch. - The implementation is largely simplified from rust's [`hashbrown`](https://github.com/rust-lang/hashbrown/blob/master/src/raw/mod.rs) as we only consider fix-sized insertion-only hashtables. Technical details are provided in code comments. - This patch also contains a portable string hash function, which is derived from [`aHash`](https://github.com/tkaitchuck/aHash)'s fallback routine. Not using any SIMD acceleration, it has a good enough quality (passing all SMHasher tests) and is not too bad in speed. - Some general functionalities are added, such as `memory_size`, `offset_to`(alignment), `next_power_of_two`, `is_power_of_two`. `ctz/clz` are extended to support shorter integers.
2023-11-28 21:02:25 -05:00
ArgSpec<StructHsearchDataPtr>
]
>,
FunctionSpec<
"hdestroy_r",
RetValSpec<VoidType>,
[
ArgSpec<StructHsearchDataPtr>
]
>,
FunctionSpec<
"hsearch_r",
RetValSpec<IntType>,
[
[libc][NFC] Remove all trailing spaces from libc (#82831) Summary: There are a lot of random training spaces on various lines. This patch just got rid of all of them with `sed 's/\ \+$//g'.
2024-02-23 16:34:00 -06:00
ArgSpec<EntryType>,
[libc] [search] implement hcreate(_r)/hsearch(_r)/hdestroy(_r) (#73469) This patch implements `hcreate(_r)/hsearch(_r)/hdestroy(_r)` as specified in https://man7.org/linux/man-pages/man3/hsearch.3.html. Notice that `neon/asimd` extension is not yet added in this patch. - The implementation is largely simplified from rust's [`hashbrown`](https://github.com/rust-lang/hashbrown/blob/master/src/raw/mod.rs) as we only consider fix-sized insertion-only hashtables. Technical details are provided in code comments. - This patch also contains a portable string hash function, which is derived from [`aHash`](https://github.com/tkaitchuck/aHash)'s fallback routine. Not using any SIMD acceleration, it has a good enough quality (passing all SMHasher tests) and is not too bad in speed. - Some general functionalities are added, such as `memory_size`, `offset_to`(alignment), `next_power_of_two`, `is_power_of_two`. `ctz/clz` are extended to support shorter integers.
2023-11-28 21:02:25 -05:00
ArgSpec<ActionType>,
ArgSpec<EntryTypePtrPtr>,
ArgSpec<StructHsearchDataPtr>
]
>,
]
>;
[libc] Add extension functions fedisableexcept, feenableexcept and fegetexcept. Reviewed By: michaelrj Differential Revision: https://reviews.llvm.org/D109613
2021-09-09 19:11:54 +00:00
HeaderSpec FEnv = HeaderSpec<
"fenv.h",
[], // Macros
[], // Types
[], // Enumerations
[
FunctionSpec<
"fedisableexcept",
RetValSpec<IntType>,
[ArgSpec<IntType>]
>,
FunctionSpec<
"feenableexcept",
RetValSpec<IntType>,
[ArgSpec<IntType>]
>,
FunctionSpec<
"fegetexcept",
RetValSpec<IntType>,
[]
>
]
>;
[libc] add isascii and toascii implementations adding both at once since these are trivial functions. Reviewed By: sivachandra Differential Revision: https://reviews.llvm.org/D94558
2021-01-12 22:37:56 +00:00
[libc] Add GNU extention functions fread_unlocked and fwrite_unlocked. POSIX locking and unlocking functions flockfile and funlockfile have also been added. The locking is not recursive yet. A future patch will make the underlying lock a recursive lock. Reviewed By: lntue Differential Revision: https://reviews.llvm.org/D123986
2022-04-19 07:36:43 +00:00
HeaderSpec StdIO = HeaderSpec<
"stdio.h",
[], // Macros
[libc] Add the implementation of the GNU extension function fopencookie. Reviewed By: lntue, michaelrj Differential Revision: https://reviews.llvm.org/D124141
2022-04-19 22:06:07 +00:00
[CookieIOFunctionsT], // Types
[libc] Add GNU extention functions fread_unlocked and fwrite_unlocked. POSIX locking and unlocking functions flockfile and funlockfile have also been added. The locking is not recursive yet. A future patch will make the underlying lock a recursive lock. Reviewed By: lntue Differential Revision: https://reviews.llvm.org/D123986
2022-04-19 07:36:43 +00:00
[], // Enumerations
[
[libc] Add implementations of feof, ferror and clearerr. The corresponding _unlocked functions have also been added. Reviewed By: lntue, michaelrj Differential Revision: https://reviews.llvm.org/D124311
2022-04-22 23:32:42 +00:00
FunctionSpec<
"clearerr_unlocked",
RetValSpec<VoidType>,
[ArgSpec<FILEPtr>]
>,
FunctionSpec<
"feof_unlocked",
RetValSpec<IntType>,
[ArgSpec<FILEPtr>]
>,
FunctionSpec<
"ferror_unlocked",
RetValSpec<IntType>,
[ArgSpec<FILEPtr>]
>,
[libc] Add the implementation of the GNU extension function fopencookie. Reviewed By: lntue, michaelrj Differential Revision: https://reviews.llvm.org/D124141
2022-04-19 22:06:07 +00:00
FunctionSpec<
"fopencookie",
RetValSpec<FILEPtr>,
[ArgSpec<VoidPtr>, ArgSpec<ConstCharPtr>, ArgSpec<CookieIOFunctionsT>]
>,
[libc] Add GNU extention functions fread_unlocked and fwrite_unlocked. POSIX locking and unlocking functions flockfile and funlockfile have also been added. The locking is not recursive yet. A future patch will make the underlying lock a recursive lock. Reviewed By: lntue Differential Revision: https://reviews.llvm.org/D123986
2022-04-19 07:36:43 +00:00
FunctionSpec<
"fread_unlocked",
RetValSpec<SizeTType>,
[ArgSpec<VoidRestrictedPtr>,
ArgSpec<SizeTType>,
ArgSpec<SizeTType>,
ArgSpec<FILERestrictedPtr>]
>,
FunctionSpec<
"fwrite_unlocked",
RetValSpec<SizeTType>,
[ArgSpec<ConstVoidRestrictedPtr>,
ArgSpec<SizeTType>,
ArgSpec<SizeTType>,
ArgSpec<FILERestrictedPtr>]
>,
[libc] Add implementation of getc, getc_unlocked and fgetc_unlocked. Reviewed By: michaelrj Differential Revision: https://reviews.llvm.org/D137507
2022-11-06 06:25:15 +00:00
FunctionSpec<
"fgetc_unlocked",
RetValSpec<IntType>,
[ArgSpec<FILEPtr>]
>,
[libc] Add GNU extention functions fread_unlocked and fwrite_unlocked. POSIX locking and unlocking functions flockfile and funlockfile have also been added. The locking is not recursive yet. A future patch will make the underlying lock a recursive lock. Reviewed By: lntue Differential Revision: https://reviews.llvm.org/D123986
2022-04-19 07:36:43 +00:00
]
[libc] Add the implementation of the GNU extension function fopencookie. Reviewed By: lntue, michaelrj Differential Revision: https://reviews.llvm.org/D124141
2022-04-19 22:06:07 +00:00
>;
[libc] Add GNU extention functions fread_unlocked and fwrite_unlocked. POSIX locking and unlocking functions flockfile and funlockfile have also been added. The locking is not recursive yet. A future patch will make the underlying lock a recursive lock. Reviewed By: lntue Differential Revision: https://reviews.llvm.org/D123986
2022-04-19 07:36:43 +00:00
[libc] Add qsort_r This patch adds the reentrent qsort entrypoint, qsort_r. This is done by extending the qsort functionality and moving it to a shared utility header. For this reason the qsort_r tests focus mostly on the places where it differs from qsort, since they share the same sorting code. Reviewed By: sivachandra, lntue Differential Revision: https://reviews.llvm.org/D152467
2023-06-08 14:04:55 -07:00
HeaderSpec StdLib = HeaderSpec<
"stdlib.h",
[], // Macros
[QSortRCompareT], // Types
[], // Enumerations
[
FunctionSpec<
[libc][NFC] Remove all trailing spaces from libc (#82831) Summary: There are a lot of random training spaces on various lines. This patch just got rid of all of them with `sed 's/\ \+$//g'.
2024-02-23 16:34:00 -06:00
"qsort_r",
RetValSpec<VoidType>,
[libc] Add qsort_r This patch adds the reentrent qsort entrypoint, qsort_r. This is done by extending the qsort functionality and moving it to a shared utility header. For this reason the qsort_r tests focus mostly on the places where it differs from qsort, since they share the same sorting code. Reviewed By: sivachandra, lntue Differential Revision: https://reviews.llvm.org/D152467
2023-06-08 14:04:55 -07:00
[ArgSpec<VoidPtr>, ArgSpec<SizeTType>, ArgSpec<SizeTType>, ArgSpec<QSortRCompareT>, ArgSpec<VoidPtr>]
>,
]
>;
[libc] Add GNU extension functions pthread_setname_np and pthread_getname_np. Reviewed By: michaelrj, lntue Differential Revision: https://reviews.llvm.org/D130872
2022-07-29 19:50:35 +00:00
HeaderSpec PThread = HeaderSpec<
"pthread.h",
[], // Macros
[], // Types
[], // Enumerations
[
FunctionSpec<
"pthread_setname_np",
RetValSpec<IntType>,
[ArgSpec<PThreadTType>, ArgSpec<ConstCharPtr>]
>,
FunctionSpec<
"pthread_getname_np",
RetValSpec<IntType>,
[ArgSpec<PThreadTType>, ArgSpec<CharPtr>, ArgSpec<SizeTType>]
>,
]
>;
[libc] add headers sys/auxv sys/prctl and sys/time These headers are uncommonly used, and from extensions, but some basic support is needed. Macros have been added where available. Reviewed By: sivachandra Differential Revision: https://reviews.llvm.org/D135731
2022-10-11 15:30:07 -07:00
HeaderSpec SysAuxv = HeaderSpec<
"sys/auxv.h",
[], // Macros
[], // Types
[], // Enumerations
[reland][libc] add epoll_wait functions (#79635) The epoll_wait functions are syscall wrappers that were requested by upstream users. This patch adds them, as well as their header and types. The tests are currently incomplete since they require epoll_create to properly test epoll_wait. That will be added in a followup patch since this one is already very large.
2024-01-30 10:07:47 -08:00
[
//TODO: Add getauxval here
] // Functions
[libc] add headers sys/auxv sys/prctl and sys/time These headers are uncommonly used, and from extensions, but some basic support is needed. Macros have been added where available. Reviewed By: sivachandra Differential Revision: https://reviews.llvm.org/D135731
2022-10-11 15:30:07 -07:00
>;
[libc] Add Linux implementation of GNU extension function sendfile. Reviewed By: michaelrj Differential Revision: https://reviews.llvm.org/D132721
2022-08-25 22:30:30 +00:00
HeaderSpec SendFile = HeaderSpec<
"sys/sendfile.h",
[], // Macros
[OffTType, SizeTType, SSizeTType,], // Types
[], // Enumerations
[
FunctionSpec<
"sendfile",
RetValSpec<SSizeTType>,
[ArgSpec<IntType>, ArgSpec<IntType>, ArgSpec<OffTPtr>, ArgSpec<SizeTType>]
>,
]
>;
[libc] Add POSIX functions dup, dup2, and GNU extension function dup3. Reviewed By: lntue Differential Revision: https://reviews.llvm.org/D133748
2022-09-13 06:01:54 +00:00
HeaderSpec UniStd = HeaderSpec<
"unistd.h",
[], // Macros
[], // Types
[], // Enumerations
[
FunctionSpec<
"dup2",
RetValSpec<IntType>,
[ArgSpec<IntType>, ArgSpec<IntType>, ArgSpec<IntType>]
>,
]
>;
[libc] Add a GNU extensions spec containing sincosf from math.h. Reviewers: abrachet Differential Revision: https://reviews.llvm.org/D76783
2020-03-24 22:29:11 -07:00
let Headers = [
[libc] add isascii and toascii implementations adding both at once since these are trivial functions. Reviewed By: sivachandra Differential Revision: https://reviews.llvm.org/D94558
2021-01-12 22:37:56 +00:00
CType,
[libc] Add extension functions fedisableexcept, feenableexcept and fegetexcept. Reviewed By: michaelrj Differential Revision: https://reviews.llvm.org/D109613
2021-09-09 19:11:54 +00:00
FEnv,
[libc] Add GNU extention functions fread_unlocked and fwrite_unlocked. POSIX locking and unlocking functions flockfile and funlockfile have also been added. The locking is not recursive yet. A future patch will make the underlying lock a recursive lock. Reviewed By: lntue Differential Revision: https://reviews.llvm.org/D123986
2022-04-19 07:36:43 +00:00
Math,
[libc] Add GNU extension functions pthread_setname_np and pthread_getname_np. Reviewed By: michaelrj, lntue Differential Revision: https://reviews.llvm.org/D130872
2022-07-29 19:50:35 +00:00
PThread,
[libc] Add GNU extension functions sched_getaffinity and sched_setaffinity. Reviewed By: michaelrj Differential Revision: https://reviews.llvm.org/D134858
2022-09-29 07:57:52 +00:00
Sched,
[libc] Add Linux implementation of GNU extension function sendfile. Reviewed By: michaelrj Differential Revision: https://reviews.llvm.org/D132721
2022-08-25 22:30:30 +00:00
SendFile,
[libc] add headers sys/auxv sys/prctl and sys/time These headers are uncommonly used, and from extensions, but some basic support is needed. Macros have been added where available. Reviewed By: sivachandra Differential Revision: https://reviews.llvm.org/D135731
2022-10-11 15:30:07 -07:00
SysAuxv,
[libc] Add GNU extention functions fread_unlocked and fwrite_unlocked. POSIX locking and unlocking functions flockfile and funlockfile have also been added. The locking is not recursive yet. A future patch will make the underlying lock a recursive lock. Reviewed By: lntue Differential Revision: https://reviews.llvm.org/D123986
2022-04-19 07:36:43 +00:00
StdIO,
[libc] Add qsort_r This patch adds the reentrent qsort entrypoint, qsort_r. This is done by extending the qsort functionality and moving it to a shared utility header. For this reason the qsort_r tests focus mostly on the places where it differs from qsort, since they share the same sorting code. Reviewed By: sivachandra, lntue Differential Revision: https://reviews.llvm.org/D152467
2023-06-08 14:04:55 -07:00
StdLib,
[libc] add isascii and toascii implementations adding both at once since these are trivial functions. Reviewed By: sivachandra Differential Revision: https://reviews.llvm.org/D94558
2021-01-12 22:37:56 +00:00
String,
[libc] [search] implement hcreate(_r)/hsearch(_r)/hdestroy(_r) (#73469) This patch implements `hcreate(_r)/hsearch(_r)/hdestroy(_r)` as specified in https://man7.org/linux/man-pages/man3/hsearch.3.html. Notice that `neon/asimd` extension is not yet added in this patch. - The implementation is largely simplified from rust's [`hashbrown`](https://github.com/rust-lang/hashbrown/blob/master/src/raw/mod.rs) as we only consider fix-sized insertion-only hashtables. Technical details are provided in code comments. - This patch also contains a portable string hash function, which is derived from [`aHash`](https://github.com/tkaitchuck/aHash)'s fallback routine. Not using any SIMD acceleration, it has a good enough quality (passing all SMHasher tests) and is not too bad in speed. - Some general functionalities are added, such as `memory_size`, `offset_to`(alignment), `next_power_of_two`, `is_power_of_two`. `ctz/clz` are extended to support shorter integers.
2023-11-28 21:02:25 -05:00
Search,
[libc] Add POSIX functions dup, dup2, and GNU extension function dup3. Reviewed By: lntue Differential Revision: https://reviews.llvm.org/D133748
2022-09-13 06:01:54 +00:00
UniStd,
[libc] Add a GNU extensions spec containing sincosf from math.h. Reviewers: abrachet Differential Revision: https://reviews.llvm.org/D76783
2020-03-24 22:29:11 -07:00
];
}
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