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authorThomas Schwinge <thomas@codesourcery.com>2023-01-19 18:24:50 +0100
committerThomas Schwinge <thomas@codesourcery.com>2023-01-19 21:53:02 +0100
commit05a2d7a8b3277b469e7cb121115bba398adc8559 (patch)
tree20f5c508d1a5d65bca69de98ba41263a8f935c53 /newlib/libc
parent29b137af8098fa63b824072e1ce33883275959a3 (diff)
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nvptx: In offloading execution, map '_exit' to 'abort' [GCC PR85463]
This is still not properly resolving <https://gcc.gnu.org/PR85463> '[nvptx] "exit" in offloaded region doesn't terminate process', but is one step into that direction, and allows for simplifying some GCC code.
Diffstat (limited to 'newlib/libc')
-rw-r--r--newlib/libc/machine/nvptx/_exit.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/newlib/libc/machine/nvptx/_exit.c b/newlib/libc/machine/nvptx/_exit.c
index ae434c9..f2253df 100644
--- a/newlib/libc/machine/nvptx/_exit.c
+++ b/newlib/libc/machine/nvptx/_exit.c
@@ -14,6 +14,7 @@
*/
#include <unistd.h>
+#include <stdlib.h>
/* Sadly, PTX doesn't support weak declarations, only weak
definitions. Weakly define it here in case we're not using crt0
@@ -26,7 +27,15 @@ void __attribute__((noreturn))
_exit (int status)
{
if (__exitval_ptr)
- *__exitval_ptr = status;
- for (;;)
- asm ("exit;" ::: "memory");
+ {
+ *__exitval_ptr = status;
+ for (;;)
+ asm ("exit;" ::: "memory");
+ }
+ else /* offloading */
+ {
+ /* Map to 'abort'; see <https://gcc.gnu.org/PR85463>
+ '[nvptx] "exit" in offloaded region doesn't terminate process'. */
+ abort ();
+ }
}