[libc-commits] [libc] [libc] Add atexit to baremetal entrypoints (PR #147290)

[via libc-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libc

Author: William Huynh (saturn691)

<details>
<summary>Changes</summary>

Part of #<!-- -->145349. Requires #<!-- -->145358. Required by #<!-- -->146863. Once the mutex has been implemented, we can register functions to be called for exit with `atexit`.

---
Full diff: https://github.com/llvm/llvm-project/pull/147290.diff


3 Files Affected:

- (modified) libc/config/baremetal/aarch64/entrypoints.txt (+1) 
- (modified) libc/config/baremetal/arm/entrypoints.txt (+1) 
- (modified) libc/config/baremetal/riscv/entrypoints.txt (+1) 


``````````diff
diff --git a/libc/config/baremetal/aarch64/entrypoints.txt b/libc/config/baremetal/aarch64/entrypoints.txt
index a8e653fdd5159..4c1b33a7b1c0e 100644
--- a/libc/config/baremetal/aarch64/entrypoints.txt
+++ b/libc/config/baremetal/aarch64/entrypoints.txt
@@ -218,6 +218,7 @@ set(TARGET_LIBC_ENTRYPOINTS
     libc.src.stdlib.abort
     libc.src.stdlib.abs
     libc.src.stdlib.aligned_alloc
+    libc.src.stdlib.atexit
     libc.src.stdlib.atof
     libc.src.stdlib.atoi
     libc.src.stdlib.atol
diff --git a/libc/config/baremetal/arm/entrypoints.txt b/libc/config/baremetal/arm/entrypoints.txt
index acafef17fa5d1..61a61f02c2095 100644
--- a/libc/config/baremetal/arm/entrypoints.txt
+++ b/libc/config/baremetal/arm/entrypoints.txt
@@ -218,6 +218,7 @@ set(TARGET_LIBC_ENTRYPOINTS
     libc.src.stdlib.abort
     libc.src.stdlib.abs
     libc.src.stdlib.aligned_alloc
+    libc.src.stdlib.atexit
     libc.src.stdlib.atof
     libc.src.stdlib.atoi
     libc.src.stdlib.atol
diff --git a/libc/config/baremetal/riscv/entrypoints.txt b/libc/config/baremetal/riscv/entrypoints.txt
index 023826f12d723..758d5fe4c3e21 100644
--- a/libc/config/baremetal/riscv/entrypoints.txt
+++ b/libc/config/baremetal/riscv/entrypoints.txt
@@ -218,6 +218,7 @@ set(TARGET_LIBC_ENTRYPOINTS
     libc.src.stdlib.abort
     libc.src.stdlib.abs
     libc.src.stdlib.aligned_alloc
+    libc.src.stdlib.atexit
     libc.src.stdlib.atof
     libc.src.stdlib.atoi
     libc.src.stdlib.atol

``````````

</details>


https://github.com/llvm/llvm-project/pull/147290