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signal: change stack alignment

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Matheus
2024-08-29 23:14:40 -03:00
parent 789daa2778
commit 394e416d2b
1 changed files with 1 additions and 1 deletions
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kernel-src/sys/signal.c
+1 -1
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@@ -361,7 +361,7 @@ bool signal_check(struct thread_t *thread, context_t *context, bool syscall, uin
// get where in memory to put the frame // get where in memory to put the frame
void *stack = altstack ? altstack : (void *)CTX_SP(context); void *stack = altstack ? altstack : (void *)CTX_SP(context);
#if ARCH_SIGNAL_STACK_GROWS_DOWNWARDS == 1 #if ARCH_SIGNAL_STACK_GROWS_DOWNWARDS == 1
stack = (void *)(((uintptr_t)stack - ARCH_SIGNAL_REDZONE_SIZE - sizeof(sigframe_t)) & ~0xfl); stack = (void *)((((uintptr_t)stack - ARCH_SIGNAL_REDZONE_SIZE - sizeof(sigframe_t)) & ~0xfl) - 0x8);
#else #else
#error unsupported #error unsupported
#endif #endif