[libc] Add definitions to embedded AArch32/AArch64 #142597
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@llvm/pr-subscribers-libc Author: William (saturn691) ChangesAdd Also add an extra column for embedded AArch64 in Patch is 21.27 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/142597.diff 2 Files Affected:
diff --git a/libc/docs/headers/time.rst b/libc/docs/headers/time.rst
index de82d80a2bec4..9733a176fbb25 100644
--- a/libc/docs/headers/time.rst
+++ b/libc/docs/headers/time.rst
@@ -42,72 +42,74 @@ Implementation Status
* To check date and time functions enabled for embedded system:
+ - `barebone-aarch64 <https://github.com/llvm/llvm-project/tree/main/libc/config/baremetal/aarch64/entrypoints.txt>`_
+
- `barebone-aarch32 <https://github.com/llvm/llvm-project/tree/main/libc/config/baremetal/arm/entrypoints.txt>`_
- barebone-riscv32 - to be added
-+---------------------+-----------------------------------------------+-------------------+-------------------+-------------------+-------------------+
-| <Func> | Linux | Windows | MacOS | Embedded | GPU |
-| +---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| | x86_64 | aarch64 | aarch32 | riscv64/riscv32 | x86_64 | aarch64 | x86_64 | aarch64 | aarch32 | riscv32 | AMD | nVidia |
-+=====================+=========+=========+=========+=================+=========+=========+=========+=========+=========+=========+=========+=========+
-| asctime | |check| | |check| | | |check| | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| asctime_r | |check| | |check| | | |check| | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| ctime | |check| | |check| | | |check| | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| ctime_r | |check| | |check| | | |check| | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| clock | |check| | |check| | | |check| | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| clock_getcpuclockid | | | | | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| clock_getres | | | | | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| clock_gettime | |check| | |check| | | |check| | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| clock_nanosleep | | | | | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| clock_settime | | | | | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| ctime | | | | | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| ctime_r | | | | | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| difftime | |check| | |check| | | |check| | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| getdate | | | | | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| gettimeofday | |check| | |check| | | |check| | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| gmtime | |check| | |check| | | |check| | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| gmtime_r | |check| | |check| | | |check| | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| localtime | | | | | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| localtime_r | | | | | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| mktime | |check| | |check| | | |check| | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| nanosleep | |check| | |check| | | |check| | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| strftime | | | | | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| strptime | | | | | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| time | |check| | |check| | | |check| | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| timer_create | | | | | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| timer_delete | | | | | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| timer_gettime | | | | | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| timer_getoverrun | | | | | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| timer_settime | | | | | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
-| tzset | | | | | | | | | | | | |
-+---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+
++---------------------+-----------------------------------------------+-------------------+-------------------+-----------------------------+---------+---------+
+| <Func> | Linux | Windows | MacOS | Embedded | GPU |
+| +---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| | x86_64 | aarch64 | aarch32 | riscv64/riscv32 | x86_64 | aarch64 | x86_64 | aarch64 | aarch64 | aarch32 | riscv32 | AMD | nVidia |
++=====================+=========+=========+=========+=================+=========+=========+=========+=========+=========+=========+=========+=========+=========+
+| asctime | |check| | |check| | | |check| | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| asctime_r | |check| | |check| | | |check| | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| ctime | |check| | |check| | | |check| | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| ctime_r | |check| | |check| | | |check| | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| clock | |check| | |check| | | |check| | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| clock_getcpuclockid | | | | | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| clock_getres | | | | | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| clock_gettime | |check| | |check| | | |check| | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| clock_nanosleep | | | | | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| clock_settime | | | | | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| ctime | | | | | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| ctime_r | | | | | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| difftime | |check| | |check| | | |check| | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| getdate | | | | | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| gettimeofday | |check| | |check| | | |check| | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| gmtime | |check| | |check| | | |check| | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| gmtime_r | |check| | |check| | | |check| | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| localtime | | | | | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| localtime_r | | | | | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| mktime | |check| | |check| | | |check| | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| nanosleep | |check| | |check| | | |check| | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| strftime | | | | | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| strptime | | | | | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| time | |check| | |check| | | |check| | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| timer_create | | | | | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| timer_delete | | | | | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| timer_gettime | | | | | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| timer_getoverrun | | | | | | | | | | | | | |
++---------------------+---------+---------+---------+-----------------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
+| timer_settime | ...
[truncated]
|
saturn691
changed the title
jhuber6
reviewed
Jun 3, 2025
| #define CLOCKS_PER_SEC __CLK_TCK | ||
| #else | ||
| // Semihosting uses centiseconds as default | ||
| #define CLOCKS_PER_SEC 100 |
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I thought this was usually defined to be 1000000, but I don't know the platform.
There was a problem hiding this comment.
https://developer.arm.com/documentation/dui0808/l/The-C-and-C---Library-Functions-Reference/clock--
As defined in the Arm C libraries.
jhuber6
reviewed
Jun 3, 2025
lntue
reviewed
Jun 3, 2025
lntue
reviewed
Jun 3, 2025
jhuber6
approved these changes
Jun 6, 2025
|
Hi Joseph, I don't have commit access yet, please commit this on behalf of me, thanks! |
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Add
CLOCKS_PER_SECand the olderCLK_TCK. Allows the user to define a__CLK_TCKto override if necessary.Also add an extra column for embedded AArch64 in
time.rst